1 #ifdef __LINUX
2 #include <linux/kernel.h>
3 #include <linux/types.h>
4 #include <asm/byteorder.h>
5 #endif
6 #ifdef USER_LINUX
7 #include <stdio.h>
8 #include <unistd.h>
9 #include <sys/types.h>
10 #include <sys/socket.h>
11 #include <netinet/in.h>
12 #include <arpa/inet.h>
13 #include <sys/ioctl.h>
14 #include <net/if.h>
15 #include <linux/sockios.h>
16 #include <string.h>
17 #include <malloc.h>
18 #endif
19 #ifdef __FreeBSD__
20 #include <sys/types.h>
21 #endif
22 #include "bcmtype.h"
23 #ifdef EDEBUG
24 #include "edebug_types.h"
25 #endif
26 #include "clc.h"
27 #include "grc_addr.h"
28 #include "bigmac_addresses.h"
29 #include "emac_reg_driver.h"
30 #include "misc_bits.h"
31 #include "57712_reg.h"
32 #include "clc_reg.h"
33 #include "dev_info.h"
34 #include "license.h"
35 #include "shmem.h"
36 #include "aeu_inputs.h"
37 
38 typedef elink_status_t (*read_sfp_module_eeprom_func_p)(struct elink_phy *phy,
39 					     struct elink_params *params,
40 					     u8 dev_addr, u16 addr, u8 byte_cnt,
41 					     u8 *o_buf, u8);
42 /********************************************************/
43 #define ELINK_ETH_HLEN			14
44 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
45 #define ELINK_ETH_OVREHEAD			(ELINK_ETH_HLEN + 8 + 8)
46 #define ELINK_ETH_MIN_PACKET_SIZE		60
47 #define ELINK_ETH_MAX_PACKET_SIZE		1500
48 #define ELINK_ETH_MAX_JUMBO_PACKET_SIZE	9600
49 #define ELINK_MDIO_ACCESS_TIMEOUT		1000
50 #define WC_LANE_MAX			4
51 #define I2C_SWITCH_WIDTH		2
52 #define I2C_BSC0			0
53 #define I2C_BSC1			1
54 #define I2C_WA_RETRY_CNT		3
55 #define I2C_WA_PWR_ITER			(I2C_WA_RETRY_CNT - 1)
56 #define MCPR_IMC_COMMAND_READ_OP	1
57 #define MCPR_IMC_COMMAND_WRITE_OP	2
58 
59 /* LED Blink rate that will achieve ~15.9Hz */
60 #define LED_BLINK_RATE_VAL_E3		354
61 #define LED_BLINK_RATE_VAL_E1X_E2	480
62 /***********************************************************/
63 /*			  Macros			   */
64 /***********************************************************/
65 #define MSLEEP(cb, ms)			elink_cb_udelay(cb, 1000*ms)
66 #define USLEEP(cb, us)			elink_cb_udelay(cb, us)
67 #define REG_RD(cb, reg)			elink_cb_reg_read(cb, reg)
68 #define REG_WR(cb, reg, val)		elink_cb_reg_write(cb, reg, val)
69 #define EMAC_RD(cb, reg)		REG_RD(cb, emac_base + reg)
70 #define EMAC_WR(cb, reg, val)		REG_WR(cb, emac_base + reg, val)
71 #define REG_WR_DMAE(cb, offset, wb_data, len) \
72 	elink_cb_reg_wb_write(cb, offset, wb_data, len)
73 #define REG_RD_DMAE(cb, offset, wb_data, len) \
74 	elink_cb_reg_wb_read(cb, offset, wb_data, len)
75 #define PATH_ID(cb) elink_cb_path_id(cb)
76 
77 #define ELINK_SET_GPIO			elink_cb_gpio_write
78 #define ELINK_SET_MULT_GPIO		elink_cb_gpio_mult_write
79 #define ELINK_GET_GPIO			elink_cb_gpio_read
80 #define ELINK_SET_GPIO_INT		elink_cb_gpio_int_write
81 
82 #ifndef OFFSETOF
83 #define OFFSETOF(_s, _m)	((u32) ((u8 *)(&((_s *) 0)->_m) - \
84 					(u8 *)((u8 *) 0)))
85 #endif
86 
87 #define CHIP_REV_SHIFT              12
88 #define CHIP_REV_MASK               (0xF<<CHIP_REV_SHIFT)
89 #define CHIP_REV(_chip_id)          ((_chip_id) & CHIP_REV_MASK)
90 
91 #define CHIP_REV_Ax                 (0x0<<CHIP_REV_SHIFT)
92 #define CHIP_REV_Bx                 (0x1<<CHIP_REV_SHIFT)
93 #define CHIP_REV_IS_SLOW(_chip_id) \
94 		(CHIP_REV(_chip_id) > 0x00005000)
95 #define CHIP_REV_IS_FPGA(_chip_id) \
96 		(CHIP_REV_IS_SLOW(_chip_id)&& \
97 		(CHIP_REV(_chip_id) & 0x00001000))
98 #define CHIP_REV_IS_EMUL(_chip_id) \
99 		(CHIP_REV_IS_SLOW(_chip_id)&& \
100 		!(CHIP_REV(_chip_id) & 0x00001000))
101 
102 #define CHIP_NUM(_chip_id)	(_chip_id >> 16)
103 #define CHIP_NUM_57710		0x164e
104 #define CHIP_NUM_57711		0x164f
105 #define CHIP_NUM_57711E		0x1650
106 #define CHIP_NUM_57712		0x1662
107 #define CHIP_NUM_57712E		0x1663
108 #define CHIP_NUM_57713		0x1651
109 #define CHIP_NUM_57713E		0x1652
110 #define CHIP_NUM_57840_OBSOLETE 0x168d
111 #define CHIP_NUM_57840_4_10	0x16a1
112 #define CHIP_NUM_57840_2_20	0x16a2
113 #define CHIP_NUM_57810		0x168e
114 #define CHIP_NUM_57800		0x168a
115 #define CHIP_NUM_57811		0x163d
116 #define CHIP_NUM_57811_MF   0x163e
117 #define CHIP_IS_E1(_chip_id)	(CHIP_NUM(_chip_id) == \
118 	CHIP_NUM_57710)
119 #define CHIP_IS_E1X(_chip_id)	((CHIP_NUM(_chip_id) == \
120 				  CHIP_NUM_57710) || \
121 				 (CHIP_NUM(_chip_id) == \
122 				  CHIP_NUM_57711) || \
123 				 (CHIP_NUM(_chip_id) == \
124 				  CHIP_NUM_57711E))
125 
126 #define CHIP_IS_E2(_chip_id)	((CHIP_NUM(_chip_id) == \
127 					  CHIP_NUM_57712) || \
128 					 (CHIP_NUM(_chip_id) == \
129 					  CHIP_NUM_57712E) || \
130 					 (CHIP_NUM(_chip_id) == \
131 					  CHIP_NUM_57713) || \
132 					 (CHIP_NUM(_chip_id) == \
133 					  CHIP_NUM_57713E))
134 
135 #define CHIP_IS_57711(_chip_id)	(CHIP_NUM(_chip_id) == \
136 					 CHIP_NUM_57711)
137 #define CHIP_IS_57711E(_chip_id)	(CHIP_NUM(_chip_id) == \
138 					 CHIP_NUM_57711E)
139 #define DO_CHIP_IS_E3(_chip_family)	((_chip_family == 0x1630) || \
140 					 (_chip_family == 0x1680) || \
141 					 (_chip_family == 0x16a0))
142 #define CHIP_IS_E3(_chip_id)	(DO_CHIP_IS_E3(((CHIP_NUM(_chip_id)) & 0xfff0)))
143 
144 
145 /* For EMUL: Ax=0xE, Bx=0xC, Cx=0xA. For FPGA: Ax=0xF, Bx=0xD,
146  * Cx=0xB.
147  */
148 #define CHIP_REV_SIM(_p)            (((0xF - (CHIP_REV(_p) >> CHIP_REV_SHIFT)) \
149 				      >>1) << CHIP_REV_SHIFT)
150 
151 #define CHIP_IS_E3B0(_p)            (CHIP_IS_E3(_p) && \
152 				     ((CHIP_REV(_p) == CHIP_REV_Bx) || \
153 				      (CHIP_REV_SIM(_p) == CHIP_REV_Bx)))
154 
155 #define CHIP_IS_E3A0(_p)            (CHIP_IS_E3(_p) && \
156 				     ((CHIP_REV(_p) == CHIP_REV_Ax) || \
157 				      (CHIP_REV_SIM(_p) == CHIP_REV_Ax)))
158 
159 #define ELINK_USES_WARPCORE(_chip_id)   (CHIP_IS_E3(_chip_id))
160 
161 #define SHMEM2_RD(cb, shmem2_base, _field) \
162 				      REG_RD(cb, shmem2_base + \
163 					      OFFSETOF(struct shmem2_region, \
164 						      _field))
165 
166 #define SHMEM2_HAS(cb, shmem2_base, field) (shmem2_base && \
167 					 (SHMEM2_RD(cb, shmem2_base, size) > \
168 					 OFFSETOF(struct shmem2_region, field)))
169 #ifndef NULL
170 #define NULL    ((void *) 0)
171 #endif
172 
173 /***********************************************************/
174 /*			Shortcut definitions		   */
175 /***********************************************************/
176 
177 #define ELINK_NIG_LATCH_BC_ENABLE_MI_INT 0
178 
179 #define ELINK_NIG_STATUS_EMAC0_MI_INT \
180 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
181 #define ELINK_NIG_STATUS_XGXS0_LINK10G \
182 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
183 #define ELINK_NIG_STATUS_XGXS0_LINK_STATUS \
184 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
185 #define ELINK_NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
186 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
187 #define ELINK_NIG_STATUS_SERDES0_LINK_STATUS \
188 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
189 #define ELINK_NIG_MASK_MI_INT \
190 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
191 #define ELINK_NIG_MASK_XGXS0_LINK10G \
192 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
193 #define ELINK_NIG_MASK_XGXS0_LINK_STATUS \
194 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
195 #define ELINK_NIG_MASK_SERDES0_LINK_STATUS \
196 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
197 
198 #define ELINK_MDIO_AN_CL73_OR_37_COMPLETE \
199 		(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
200 		 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
201 
202 #define ELINK_XGXS_RESET_BITS \
203 	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW |   \
204 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ |      \
205 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN |    \
206 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
207 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
208 
209 #define ELINK_SERDES_RESET_BITS \
210 	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
211 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ |    \
212 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN |  \
213 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
214 
215 #define ELINK_AUTONEG_CL37		SHARED_HW_CFG_AN_ENABLE_CL37
216 #define ELINK_AUTONEG_CL73		SHARED_HW_CFG_AN_ENABLE_CL73
217 #define ELINK_AUTONEG_BAM		SHARED_HW_CFG_AN_ENABLE_BAM
218 #define ELINK_AUTONEG_PARALLEL \
219 				SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
220 #define ELINK_AUTONEG_SGMII_FIBER_AUTODET \
221 				SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
222 #define ELINK_AUTONEG_REMOTE_PHY	SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
223 
224 #define ELINK_GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
225 			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
226 #define ELINK_GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
227 			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
228 #define ELINK_GP_STATUS_SPEED_MASK \
229 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
230 #define ELINK_GP_STATUS_10M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
231 #define ELINK_GP_STATUS_100M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
232 #define ELINK_GP_STATUS_1G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
233 #define ELINK_GP_STATUS_2_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
234 #define ELINK_GP_STATUS_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
235 #define ELINK_GP_STATUS_6G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
236 #define ELINK_GP_STATUS_10G_HIG \
237 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
238 #define ELINK_GP_STATUS_10G_CX4 \
239 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
240 #define ELINK_GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
241 #define ELINK_GP_STATUS_10G_KX4 \
242 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
243 #define	ELINK_GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
244 #define	ELINK_GP_STATUS_10G_XFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
245 #define	ELINK_GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
246 #define	ELINK_GP_STATUS_10G_SFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
247 #define	ELINK_GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
248 #define ELINK_LINK_10THD		LINK_STATUS_SPEED_AND_DUPLEX_10THD
249 #define ELINK_LINK_10TFD		LINK_STATUS_SPEED_AND_DUPLEX_10TFD
250 #define ELINK_LINK_100TXHD		LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
251 #define ELINK_LINK_100T4		LINK_STATUS_SPEED_AND_DUPLEX_100T4
252 #define ELINK_LINK_100TXFD		LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
253 #define ELINK_LINK_1000THD		LINK_STATUS_SPEED_AND_DUPLEX_1000THD
254 #define ELINK_LINK_1000TFD		LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
255 #define ELINK_LINK_1000XFD		LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
256 #define ELINK_LINK_2500THD		LINK_STATUS_SPEED_AND_DUPLEX_2500THD
257 #define ELINK_LINK_2500TFD		LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
258 #define ELINK_LINK_2500XFD		LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
259 #define ELINK_LINK_10GTFD		LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
260 #define ELINK_LINK_10GXFD		LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
261 #define ELINK_LINK_20GTFD		LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
262 #define ELINK_LINK_20GXFD		LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
263 
264 #define ELINK_LINK_UPDATE_MASK \
265 			(LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
266 			 LINK_STATUS_LINK_UP | \
267 			 LINK_STATUS_PHYSICAL_LINK_FLAG | \
268 			 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
269 			 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
270 			 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
271 			 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
272 			 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
273 			 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
274 
275 #define ELINK_SFP_EEPROM_CON_TYPE_ADDR		0x2
276 	#define ELINK_SFP_EEPROM_CON_TYPE_VAL_UNKNOWN	0x0
277 	#define ELINK_SFP_EEPROM_CON_TYPE_VAL_LC	0x7
278 	#define ELINK_SFP_EEPROM_CON_TYPE_VAL_COPPER	0x21
279 	#define ELINK_SFP_EEPROM_CON_TYPE_VAL_RJ45	0x22
280 
281 
282 #define ELINK_SFP_EEPROM_10G_COMP_CODE_ADDR		0x3
283 	#define ELINK_SFP_EEPROM_10G_COMP_CODE_SR_MASK	(1<<4)
284 	#define ELINK_SFP_EEPROM_10G_COMP_CODE_LR_MASK	(1<<5)
285 	#define ELINK_SFP_EEPROM_10G_COMP_CODE_LRM_MASK	(1<<6)
286 
287 #define ELINK_SFP_EEPROM_1G_COMP_CODE_ADDR		0x6
288 	#define ELINK_SFP_EEPROM_1G_COMP_CODE_SX	(1<<0)
289 	#define ELINK_SFP_EEPROM_1G_COMP_CODE_LX	(1<<1)
290 	#define ELINK_SFP_EEPROM_1G_COMP_CODE_CX	(1<<2)
291 	#define ELINK_SFP_EEPROM_1G_COMP_CODE_BASE_T	(1<<3)
292 
293 #define ELINK_SFP_EEPROM_FC_TX_TECH_ADDR		0x8
294 	#define ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
295 	#define ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE  0x8
296 
297 #define ELINK_SFP_EEPROM_OPTIONS_ADDR			0x40
298 	#define ELINK_SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
299 #define ELINK_SFP_EEPROM_OPTIONS_SIZE			2
300 
301 #define ELINK_EDC_MODE_LINEAR				0x0022
302 #define ELINK_EDC_MODE_LIMITING				0x0044
303 #define ELINK_EDC_MODE_PASSIVE_DAC			0x0055
304 #define ELINK_EDC_MODE_ACTIVE_DAC			0x0066
305 
306 /* ETS defines*/
307 #define DCBX_INVALID_COS					(0xFF)
308 
309 #define ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND		(0x5000)
310 #define ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT		(0x5000)
311 #define ELINK_ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS		(1360)
312 #define ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS			(2720)
313 #define ELINK_ETS_E3B0_PBF_MIN_W_VAL				(10000)
314 
315 #define ELINK_MAX_PACKET_SIZE					(9700)
316 #ifdef INCLUDE_WARPCORE_UC_LOAD
317 #define ELINK_WC_UC_TIMEOUT					1000
318 #define ELINK_WC_RDY_TIMEOUT_MSEC           100
319 #endif
320 #define MAX_KR_LINK_RETRY				4
321 
322 /**********************************************************/
323 /*                     INTERFACE                          */
324 /**********************************************************/
325 
326 #define CL22_WR_OVER_CL45(_cb, _phy, _bank, _addr, _val) \
327 	elink_cl45_write(_cb, _phy, \
328 		(_phy)->def_md_devad, \
329 		(_bank + (_addr & 0xf)), \
330 		_val)
331 
332 #define CL22_RD_OVER_CL45(_cb, _phy, _bank, _addr, _val) \
333 	elink_cl45_read(_cb, _phy, \
334 		(_phy)->def_md_devad, \
335 		(_bank + (_addr & 0xf)), \
336 		_val)
337 
338 #ifdef BNX2X_ADD /* BNX2X_ADD */
339 static int elink_check_half_open_conn(struct elink_params *params,
340 				      struct elink_vars *vars, u8 notify);
341 static int elink_sfp_module_detection(struct elink_phy *phy,
342 				      struct elink_params *params);
343 #endif
344 
345 static u32 elink_bits_en(struct elink_dev *cb, u32 reg, u32 bits)
346 {
347 	u32 val = REG_RD(cb, reg);
348 
349 	val |= bits;
350 	REG_WR(cb, reg, val);
351 	return val;
352 }
353 
354 static u32 elink_bits_dis(struct elink_dev *cb, u32 reg, u32 bits)
355 {
356 	u32 val = REG_RD(cb, reg);
357 
358 	val &= ~bits;
359 	REG_WR(cb, reg, val);
360 	return val;
361 }
362 
363 /*
364  * elink_check_lfa - This function checks if link reinitialization is required,
365  *                   or link flap can be avoided.
366  *
367  * @params:	link parameters
368  * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
369  *         condition code.
370  */
371 #ifndef EXCLUDE_NON_COMMON_INIT
372 static int elink_check_lfa(struct elink_params *params)
373 {
374 	u32 link_status, cfg_idx, lfa_mask, cfg_size;
375 	u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
376 	u32 saved_val, req_val, eee_status;
377 	struct elink_dev *cb = params->cb;
378 
379 	additional_config =
380 		REG_RD(cb, params->lfa_base +
381 			   OFFSETOF(struct shmem_lfa, additional_config));
382 
383 	/* NOTE: must be first condition checked -
384 	* to verify DCC bit is cleared in any case!
385 	*/
386 	if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
387 		ELINK_DEBUG_P0(cb, "No LFA due to DCC flap after clp exit\n");
388 		REG_WR(cb, params->lfa_base +
389 			   OFFSETOF(struct shmem_lfa, additional_config),
390 		       additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
391 		return LFA_DCC_LFA_DISABLED;
392 	}
393 
394 	/* Verify that link is up */
395 	link_status = REG_RD(cb, params->shmem_base +
396 			     OFFSETOF(struct shmem_region,
397 				      port_mb[params->port].link_status));
398 	if (!(link_status & LINK_STATUS_LINK_UP))
399 		return LFA_LINK_DOWN;
400 
401 	/* if loaded after BOOT from SAN, don't flap the link in any case and
402 	 * rely on link set by preboot driver
403 	 */
404 	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_BOOT_FROM_SAN)
405 		return 0;
406 
407 	/* Verify that loopback mode is not set */
408 	if (params->loopback_mode)
409 		return LFA_LOOPBACK_ENABLED;
410 
411 	/* Verify that MFW supports LFA */
412 	if (!params->lfa_base)
413 		return LFA_MFW_IS_TOO_OLD;
414 
415 	if (params->num_phys == 3) {
416 		cfg_size = 2;
417 		lfa_mask = 0xffffffff;
418 	} else {
419 		cfg_size = 1;
420 		lfa_mask = 0xffff;
421 	}
422 
423 	/* Compare Duplex */
424 	saved_val = REG_RD(cb, params->lfa_base +
425 			   OFFSETOF(struct shmem_lfa, req_duplex));
426 	req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
427 	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
428 		ELINK_DEBUG_P2(cb, "Duplex mismatch %x vs. %x\n",
429 			       (saved_val & lfa_mask), (req_val & lfa_mask));
430 		return LFA_DUPLEX_MISMATCH;
431 	}
432 	/* Compare Flow Control */
433 	saved_val = REG_RD(cb, params->lfa_base +
434 			   OFFSETOF(struct shmem_lfa, req_flow_ctrl));
435 	req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
436 	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
437 		ELINK_DEBUG_P2(cb, "Flow control mismatch %x vs. %x\n",
438 			       (saved_val & lfa_mask), (req_val & lfa_mask));
439 		return LFA_FLOW_CTRL_MISMATCH;
440 	}
441 	/* Compare Link Speed */
442 	saved_val = REG_RD(cb, params->lfa_base +
443 			   OFFSETOF(struct shmem_lfa, req_line_speed));
444 	req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
445 	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
446 		ELINK_DEBUG_P2(cb, "Link speed mismatch %x vs. %x\n",
447 			       (saved_val & lfa_mask), (req_val & lfa_mask));
448 		return LFA_LINK_SPEED_MISMATCH;
449 	}
450 
451 	for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
452 		cur_speed_cap_mask = REG_RD(cb, params->lfa_base +
453 					    OFFSETOF(struct shmem_lfa,
454 						     speed_cap_mask[cfg_idx]));
455 
456 		if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
457 			ELINK_DEBUG_P2(cb, "Speed Cap mismatch %x vs. %x\n",
458 				       cur_speed_cap_mask,
459 				       params->speed_cap_mask[cfg_idx]);
460 			return LFA_SPEED_CAP_MISMATCH;
461 		}
462 	}
463 
464 	cur_req_fc_auto_adv =
465 		REG_RD(cb, params->lfa_base +
466 		       OFFSETOF(struct shmem_lfa, additional_config)) &
467 		REQ_FC_AUTO_ADV_MASK;
468 
469 	if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
470 		ELINK_DEBUG_P2(cb, "Flow Ctrl AN mismatch %x vs. %x\n",
471 			       cur_req_fc_auto_adv, params->req_fc_auto_adv);
472 		return LFA_FLOW_CTRL_MISMATCH;
473 	}
474 
475 	eee_status = REG_RD(cb, params->shmem2_base +
476 			    OFFSETOF(struct shmem2_region,
477 				     eee_status[params->port]));
478 
479 	if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
480 	     (params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)) ||
481 	    ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
482 	     (params->eee_mode & ELINK_EEE_MODE_ADV_LPI))) {
483 		ELINK_DEBUG_P2(cb, "EEE mismatch %x vs. %x\n", params->eee_mode,
484 			       eee_status);
485 		return LFA_EEE_MISMATCH;
486 	}
487 
488 	/* LFA conditions are met */
489 	return 0;
490 }
491 #endif
492 /******************************************************************/
493 /*			EPIO/GPIO section			  */
494 /******************************************************************/
495 #if (!defined EXCLUDE_WARPCORE)
496 static void elink_get_epio(struct elink_dev *cb, u32 epio_pin, u32 *en)
497 {
498 	u32 epio_mask, gp_oenable;
499 	*en = 0;
500 	/* Sanity check */
501 	if (epio_pin > 31) {
502 		ELINK_DEBUG_P1(cb, "Invalid EPIO pin %d to get\n", epio_pin);
503 		return;
504 	}
505 
506 	epio_mask = 1 << epio_pin;
507 	/* Set this EPIO to output */
508 	gp_oenable = REG_RD(cb, MCP_REG_MCPR_GP_OENABLE);
509 	REG_WR(cb, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
510 
511 	*en = (REG_RD(cb, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
512 }
513 static void elink_set_epio(struct elink_dev *cb, u32 epio_pin, u32 en)
514 {
515 	u32 epio_mask, gp_output, gp_oenable;
516 
517 	/* Sanity check */
518 	if (epio_pin > 31) {
519 		ELINK_DEBUG_P1(cb, "Invalid EPIO pin %d to set\n", epio_pin);
520 		return;
521 	}
522 	ELINK_DEBUG_P2(cb, "Setting EPIO pin %d to %d\n", epio_pin, en);
523 	epio_mask = 1 << epio_pin;
524 	/* Set this EPIO to output */
525 	gp_output = REG_RD(cb, MCP_REG_MCPR_GP_OUTPUTS);
526 	if (en)
527 		gp_output |= epio_mask;
528 	else
529 		gp_output &= ~epio_mask;
530 
531 	REG_WR(cb, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
532 
533 	/* Set the value for this EPIO */
534 	gp_oenable = REG_RD(cb, MCP_REG_MCPR_GP_OENABLE);
535 	REG_WR(cb, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
536 }
537 
538 static void elink_set_cfg_pin(struct elink_dev *cb, u32 pin_cfg, u32 val)
539 {
540 	if (pin_cfg == PIN_CFG_NA)
541 		return;
542 	if (pin_cfg >= PIN_CFG_EPIO0) {
543 		elink_set_epio(cb, pin_cfg - PIN_CFG_EPIO0, val);
544 	} else {
545 		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
546 		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
547 		ELINK_SET_GPIO(cb, gpio_num, (u8)val, gpio_port);
548 	}
549 }
550 
551 static u32 elink_get_cfg_pin(struct elink_dev *cb, u32 pin_cfg, u32 *val)
552 {
553 	if (pin_cfg == PIN_CFG_NA)
554 		return ELINK_STATUS_ERROR;
555 	if (pin_cfg >= PIN_CFG_EPIO0) {
556 		elink_get_epio(cb, pin_cfg - PIN_CFG_EPIO0, val);
557 	} else {
558 		u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
559 		u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
560 		*val = ELINK_GET_GPIO(cb, gpio_num, gpio_port);
561 	}
562 	return ELINK_STATUS_OK;
563 
564 }
565 #endif /* (!defined EXCLUDE_WARPCORE) */
566 /******************************************************************/
567 /*				ETS section			  */
568 /******************************************************************/
569 #ifdef ELINK_ENHANCEMENTS
570 static void elink_ets_e2e3a0_disabled(struct elink_params *params)
571 {
572 	/* ETS disabled configuration*/
573 	struct elink_dev *cb = params->cb;
574 
575 	ELINK_DEBUG_P0(cb, "ETS E2E3 disabled configuration\n");
576 
577 	/* mapping between entry  priority to client number (0,1,2 -debug and
578 	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
579 	 * 3bits client num.
580 	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
581 	 * cos1-100     cos0-011     dbg1-010     dbg0-001     MCP-000
582 	 */
583 
584 	REG_WR(cb, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
585 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
586 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
587 	 * COS0 entry, 4 - COS1 entry.
588 	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
589 	 * bit4   bit3	  bit2   bit1	  bit0
590 	 * MCP and debug are strict
591 	 */
592 
593 	REG_WR(cb, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
594 	/* defines which entries (clients) are subjected to WFQ arbitration */
595 	REG_WR(cb, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
596 	/* For strict priority entries defines the number of consecutive
597 	 * slots for the highest priority.
598 	 */
599 	REG_WR(cb, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
600 	/* mapping between the CREDIT_WEIGHT registers and actual client
601 	 * numbers
602 	 */
603 	REG_WR(cb, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
604 	REG_WR(cb, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
605 	REG_WR(cb, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
606 
607 	REG_WR(cb, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
608 	REG_WR(cb, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
609 	REG_WR(cb, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
610 	/* ETS mode disable */
611 	REG_WR(cb, PBF_REG_ETS_ENABLED, 0);
612 	/* If ETS mode is enabled (there is no strict priority) defines a WFQ
613 	 * weight for COS0/COS1.
614 	 */
615 	REG_WR(cb, PBF_REG_COS0_WEIGHT, 0x2710);
616 	REG_WR(cb, PBF_REG_COS1_WEIGHT, 0x2710);
617 	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
618 	REG_WR(cb, PBF_REG_COS0_UPPER_BOUND, 0x989680);
619 	REG_WR(cb, PBF_REG_COS1_UPPER_BOUND, 0x989680);
620 	/* Defines the number of consecutive slots for the strict priority */
621 	REG_WR(cb, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
622 }
623 /******************************************************************************
624 * Description:
625 *	Getting min_w_val will be set according to line speed .
626 *.
627 ******************************************************************************/
628 static u32 elink_ets_get_min_w_val_nig(const struct elink_vars *vars)
629 {
630 	u32 min_w_val = 0;
631 	/* Calculate min_w_val.*/
632 	if (vars->link_up) {
633 		if (vars->line_speed == ELINK_SPEED_20000)
634 			min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
635 		else
636 			min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
637 	} else
638 		min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
639 	/* If the link isn't up (static configuration for example ) The
640 	 * link will be according to 20GBPS.
641 	 */
642 	return min_w_val;
643 }
644 /******************************************************************************
645 * Description:
646 *	Getting credit upper bound form min_w_val.
647 *.
648 ******************************************************************************/
649 static u32 elink_ets_get_credit_upper_bound(const u32 min_w_val)
650 {
651 	const u32 credit_upper_bound = (u32)ELINK_MAXVAL((150 * min_w_val),
652 						ELINK_MAX_PACKET_SIZE);
653 	return credit_upper_bound;
654 }
655 /******************************************************************************
656 * Description:
657 *	Set credit upper bound for NIG.
658 *.
659 ******************************************************************************/
660 static void elink_ets_e3b0_set_credit_upper_bound_nig(
661 	const struct elink_params *params,
662 	const u32 min_w_val)
663 {
664 	struct elink_dev *cb = params->cb;
665 	const u8 port = params->port;
666 	const u32 credit_upper_bound =
667 	    elink_ets_get_credit_upper_bound(min_w_val);
668 
669 	REG_WR(cb, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
670 		NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
671 	REG_WR(cb, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
672 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
673 	REG_WR(cb, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
674 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
675 	REG_WR(cb, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
676 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
677 	REG_WR(cb, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
678 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
679 	REG_WR(cb, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
680 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
681 
682 	if (!port) {
683 		REG_WR(cb, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
684 			credit_upper_bound);
685 		REG_WR(cb, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
686 			credit_upper_bound);
687 		REG_WR(cb, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
688 			credit_upper_bound);
689 	}
690 }
691 /******************************************************************************
692 * Description:
693 *	Will return the NIG ETS registers to init values.Except
694 *	credit_upper_bound.
695 *	That isn't used in this configuration (No WFQ is enabled) and will be
696 *	configured acording to spec
697 *.
698 ******************************************************************************/
699 static void elink_ets_e3b0_nig_disabled(const struct elink_params *params,
700 					const struct elink_vars *vars)
701 {
702 	struct elink_dev *cb = params->cb;
703 	const u8 port = params->port;
704 	const u32 min_w_val = elink_ets_get_min_w_val_nig(vars);
705 	/* Mapping between entry  priority to client number (0,1,2 -debug and
706 	 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
707 	 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
708 	 * reset value or init tool
709 	 */
710 	if (port) {
711 		REG_WR(cb, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
712 		REG_WR(cb, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
713 	} else {
714 		REG_WR(cb, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
715 		REG_WR(cb, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
716 	}
717 	/* For strict priority entries defines the number of consecutive
718 	 * slots for the highest priority.
719 	 */
720 	REG_WR(cb, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
721 		   NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
722 	/* Mapping between the CREDIT_WEIGHT registers and actual client
723 	 * numbers
724 	 */
725 	if (port) {
726 		/*Port 1 has 6 COS*/
727 		REG_WR(cb, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
728 		REG_WR(cb, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
729 	} else {
730 		/*Port 0 has 9 COS*/
731 		REG_WR(cb, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
732 		       0x43210876);
733 		REG_WR(cb, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
734 	}
735 
736 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
737 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
738 	 * COS0 entry, 4 - COS1 entry.
739 	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
740 	 * bit4   bit3	  bit2   bit1	  bit0
741 	 * MCP and debug are strict
742 	 */
743 	if (port)
744 		REG_WR(cb, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
745 	else
746 		REG_WR(cb, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
747 	/* defines which entries (clients) are subjected to WFQ arbitration */
748 	REG_WR(cb, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
749 		   NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
750 
751 	/* Please notice the register address are note continuous and a
752 	 * for here is note appropriate.In 2 port mode port0 only COS0-5
753 	 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
754 	 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
755 	 * are never used for WFQ
756 	 */
757 	REG_WR(cb, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
758 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
759 	REG_WR(cb, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
760 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
761 	REG_WR(cb, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
762 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
763 	REG_WR(cb, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
764 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
765 	REG_WR(cb, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
766 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
767 	REG_WR(cb, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
768 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
769 	if (!port) {
770 		REG_WR(cb, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
771 		REG_WR(cb, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
772 		REG_WR(cb, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
773 	}
774 
775 	elink_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
776 }
777 /******************************************************************************
778 * Description:
779 *	Set credit upper bound for PBF.
780 *.
781 ******************************************************************************/
782 static void elink_ets_e3b0_set_credit_upper_bound_pbf(
783 	const struct elink_params *params,
784 	const u32 min_w_val)
785 {
786 	struct elink_dev *cb = params->cb;
787 	const u32 credit_upper_bound =
788 	    elink_ets_get_credit_upper_bound(min_w_val);
789 	const u8 port = params->port;
790 	u32 base_upper_bound = 0;
791 	u8 max_cos = 0;
792 	u8 i = 0;
793 	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
794 	 * port mode port1 has COS0-2 that can be used for WFQ.
795 	 */
796 	if (!port) {
797 		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
798 		max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
799 	} else {
800 		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
801 		max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1;
802 	}
803 
804 	for (i = 0; i < max_cos; i++)
805 		REG_WR(cb, base_upper_bound + (i << 2), credit_upper_bound);
806 }
807 
808 /******************************************************************************
809 * Description:
810 *	Will return the PBF ETS registers to init values.Except
811 *	credit_upper_bound.
812 *	That isn't used in this configuration (No WFQ is enabled) and will be
813 *	configured acording to spec
814 *.
815 ******************************************************************************/
816 static void elink_ets_e3b0_pbf_disabled(const struct elink_params *params)
817 {
818 	struct elink_dev *cb = params->cb;
819 	const u8 port = params->port;
820 	const u32 min_w_val_pbf = ELINK_ETS_E3B0_PBF_MIN_W_VAL;
821 	u8 i = 0;
822 	u32 base_weight = 0;
823 	u8 max_cos = 0;
824 
825 	/* Mapping between entry  priority to client number 0 - COS0
826 	 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
827 	 * TODO_ETS - Should be done by reset value or init tool
828 	 */
829 	if (port)
830 		/*  0x688 (|011|0 10|00 1|000) */
831 		REG_WR(cb, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
832 	else
833 		/*  (10 1|100 |011|0 10|00 1|000) */
834 		REG_WR(cb, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
835 
836 	/* TODO_ETS - Should be done by reset value or init tool */
837 	if (port)
838 		/* 0x688 (|011|0 10|00 1|000)*/
839 		REG_WR(cb, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
840 	else
841 	/* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
842 	REG_WR(cb, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
843 
844 	REG_WR(cb, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
845 		   PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
846 
847 
848 	REG_WR(cb, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
849 		   PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
850 
851 	REG_WR(cb, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
852 		   PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
853 	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.
854 	 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
855 	 */
856 	if (!port) {
857 		base_weight = PBF_REG_COS0_WEIGHT_P0;
858 		max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
859 	} else {
860 		base_weight = PBF_REG_COS0_WEIGHT_P1;
861 		max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1;
862 	}
863 
864 	for (i = 0; i < max_cos; i++)
865 		REG_WR(cb, base_weight + (0x4 * i), 0);
866 
867 	elink_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
868 }
869 /******************************************************************************
870 * Description:
871 *	E3B0 disable will return basicly the values to init values.
872 *.
873 ******************************************************************************/
874 static elink_status_t elink_ets_e3b0_disabled(const struct elink_params *params,
875 				   const struct elink_vars *vars)
876 {
877 	struct elink_dev *cb = params->cb;
878 
879 	if (!CHIP_IS_E3B0(params->chip_id)) {
880 		ELINK_DEBUG_P0(cb,
881 		   "elink_ets_e3b0_disabled the chip isn't E3B0\n");
882 		return ELINK_STATUS_ERROR;
883 	}
884 
885 	elink_ets_e3b0_nig_disabled(params, vars);
886 
887 	elink_ets_e3b0_pbf_disabled(params);
888 
889 	return ELINK_STATUS_OK;
890 }
891 
892 /******************************************************************************
893 * Description:
894 *	Disable will return basicly the values to init values.
895 *
896 ******************************************************************************/
897 elink_status_t elink_ets_disabled(struct elink_params *params,
898 		      struct elink_vars *vars)
899 {
900 	struct elink_dev *cb = params->cb;
901 	elink_status_t elink_status = ELINK_STATUS_OK;
902 
903 	if ((CHIP_IS_E2(params->chip_id)) || (CHIP_IS_E3A0(params->chip_id)))
904 		elink_ets_e2e3a0_disabled(params);
905 	else if (CHIP_IS_E3B0(params->chip_id))
906 		elink_status = elink_ets_e3b0_disabled(params, vars);
907 	else {
908 		ELINK_DEBUG_P0(cb, "elink_ets_disabled - chip not supported\n");
909 		return ELINK_STATUS_ERROR;
910 	}
911 
912 	return elink_status;
913 }
914 
915 /******************************************************************************
916 * Description
917 *	Set the COS mappimg to SP and BW until this point all the COS are not
918 *	set as SP or BW.
919 ******************************************************************************/
920 static elink_status_t elink_ets_e3b0_cli_map(const struct elink_params *params,
921 				  const struct elink_ets_params *ets_params,
922 				  const u8 cos_sp_bitmap,
923 				  const u8 cos_bw_bitmap)
924 {
925 	struct elink_dev *cb = params->cb;
926 	const u8 port = params->port;
927 	const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
928 	const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
929 	const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
930 	const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
931 
932 	REG_WR(cb, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
933 	       NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
934 
935 	REG_WR(cb, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
936 	       PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
937 
938 	REG_WR(cb, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
939 	       NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
940 	       nig_cli_subject2wfq_bitmap);
941 
942 	REG_WR(cb, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
943 	       PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
944 	       pbf_cli_subject2wfq_bitmap);
945 
946 	return ELINK_STATUS_OK;
947 }
948 
949 /******************************************************************************
950 * Description:
951 *	This function is needed because NIG ARB_CREDIT_WEIGHT_X are
952 *	not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
953 ******************************************************************************/
954 static elink_status_t elink_ets_e3b0_set_cos_bw(struct elink_dev *cb,
955 				     const u8 cos_entry,
956 				     const u32 min_w_val_nig,
957 				     const u32 min_w_val_pbf,
958 				     const u16 total_bw,
959 				     const u8 bw,
960 				     const u8 port)
961 {
962 	u32 nig_reg_adress_crd_weight = 0;
963 	u32 pbf_reg_adress_crd_weight = 0;
964 	/* Calculate and set BW for this COS - use 1 instead of 0 for BW */
965 	const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
966 	const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
967 
968 	switch (cos_entry) {
969 	case 0:
970 	    nig_reg_adress_crd_weight =
971 		 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
972 		     NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
973 	     pbf_reg_adress_crd_weight = (port) ?
974 		 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
975 	     break;
976 	case 1:
977 	     nig_reg_adress_crd_weight = (port) ?
978 		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
979 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
980 	     pbf_reg_adress_crd_weight = (port) ?
981 		 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
982 	     break;
983 	case 2:
984 	     nig_reg_adress_crd_weight = (port) ?
985 		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
986 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
987 
988 		 pbf_reg_adress_crd_weight = (port) ?
989 		     PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
990 	     break;
991 	case 3:
992 	    if (port)
993 			return ELINK_STATUS_ERROR;
994 	     nig_reg_adress_crd_weight =
995 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
996 	     pbf_reg_adress_crd_weight =
997 		 PBF_REG_COS3_WEIGHT_P0;
998 	     break;
999 	case 4:
1000 	    if (port)
1001 		return ELINK_STATUS_ERROR;
1002 	     nig_reg_adress_crd_weight =
1003 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
1004 	     pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
1005 	     break;
1006 	case 5:
1007 	    if (port)
1008 		return ELINK_STATUS_ERROR;
1009 	     nig_reg_adress_crd_weight =
1010 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
1011 	     pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
1012 	     break;
1013 	}
1014 
1015 	REG_WR(cb, nig_reg_adress_crd_weight, cos_bw_nig);
1016 
1017 	REG_WR(cb, pbf_reg_adress_crd_weight, cos_bw_pbf);
1018 
1019 	return ELINK_STATUS_OK;
1020 }
1021 /******************************************************************************
1022 * Description:
1023 *	Calculate the total BW.A value of 0 isn't legal.
1024 *
1025 ******************************************************************************/
1026 static elink_status_t elink_ets_e3b0_get_total_bw(
1027 	const struct elink_params *params,
1028 	struct elink_ets_params *ets_params,
1029 	u16 *total_bw)
1030 {
1031 	struct elink_dev *cb = params->cb;
1032 	u8 cos_idx = 0;
1033 	u8 is_bw_cos_exist = 0;
1034 
1035 	*total_bw = 0 ;
1036 	/* Calculate total BW requested */
1037 	for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
1038 		if (ets_params->cos[cos_idx].state == elink_cos_state_bw) {
1039 			is_bw_cos_exist = 1;
1040 			if (!ets_params->cos[cos_idx].params.bw_params.bw) {
1041 				ELINK_DEBUG_P0(cb, "elink_ets_E3B0_config BW"
1042 						   "was set to 0\n");
1043 				/* This is to prevent a state when ramrods
1044 				 * can't be sent
1045 				 */
1046 				ets_params->cos[cos_idx].params.bw_params.bw
1047 					 = 1;
1048 			}
1049 			*total_bw +=
1050 				ets_params->cos[cos_idx].params.bw_params.bw;
1051 		}
1052 	}
1053 
1054 	/* Check total BW is valid */
1055 	if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
1056 		if (*total_bw == 0) {
1057 			ELINK_DEBUG_P0(cb,
1058 			   "elink_ets_E3B0_config total BW shouldn't be 0\n");
1059 			return ELINK_STATUS_ERROR;
1060 		}
1061 		ELINK_DEBUG_P0(cb,
1062 		   "elink_ets_E3B0_config total BW should be 100\n");
1063 		/* We can handle a case whre the BW isn't 100 this can happen
1064 		 * if the TC are joined.
1065 		 */
1066 	}
1067 	return ELINK_STATUS_OK;
1068 }
1069 
1070 /******************************************************************************
1071 * Description:
1072 *	Invalidate all the sp_pri_to_cos.
1073 *
1074 ******************************************************************************/
1075 static void elink_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
1076 {
1077 	u8 pri = 0;
1078 	for (pri = 0; pri < ELINK_DCBX_MAX_NUM_COS; pri++)
1079 		sp_pri_to_cos[pri] = DCBX_INVALID_COS;
1080 }
1081 /******************************************************************************
1082 * Description:
1083 *	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1084 *	according to sp_pri_to_cos.
1085 *
1086 ******************************************************************************/
1087 static elink_status_t elink_ets_e3b0_sp_pri_to_cos_set(const struct elink_params *params,
1088 					    u8 *sp_pri_to_cos, const u8 pri,
1089 					    const u8 cos_entry)
1090 {
1091 	struct elink_dev *cb = params->cb;
1092 	const u8 port = params->port;
1093 	const u8 max_num_of_cos = (port) ? ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 :
1094 		ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
1095 
1096 	if (pri >= max_num_of_cos) {
1097 		ELINK_DEBUG_P0(cb, "elink_ets_e3b0_sp_pri_to_cos_set invalid "
1098 		   "parameter Illegal strict priority\n");
1099 	    return ELINK_STATUS_ERROR;
1100 	}
1101 
1102 	if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
1103 		ELINK_DEBUG_P0(cb, "elink_ets_e3b0_sp_pri_to_cos_set invalid "
1104 				   "parameter There can't be two COS's with "
1105 				   "the same strict pri\n");
1106 		return ELINK_STATUS_ERROR;
1107 	}
1108 
1109 	sp_pri_to_cos[pri] = cos_entry;
1110 	return ELINK_STATUS_OK;
1111 
1112 }
1113 
1114 /******************************************************************************
1115 * Description:
1116 *	Returns the correct value according to COS and priority in
1117 *	the sp_pri_cli register.
1118 *
1119 ******************************************************************************/
1120 static u64 elink_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
1121 					 const u8 pri_set,
1122 					 const u8 pri_offset,
1123 					 const u8 entry_size)
1124 {
1125 	u64 pri_cli_nig = 0;
1126 	pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
1127 						    (pri_set + pri_offset));
1128 
1129 	return pri_cli_nig;
1130 }
1131 /******************************************************************************
1132 * Description:
1133 *	Returns the correct value according to COS and priority in the
1134 *	sp_pri_cli register for NIG.
1135 *
1136 ******************************************************************************/
1137 static u64 elink_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
1138 {
1139 	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1140 	const u8 nig_cos_offset = 3;
1141 	const u8 nig_pri_offset = 3;
1142 
1143 	return elink_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
1144 		nig_pri_offset, 4);
1145 
1146 }
1147 /******************************************************************************
1148 * Description:
1149 *	Returns the correct value according to COS and priority in the
1150 *	sp_pri_cli register for PBF.
1151 *
1152 ******************************************************************************/
1153 static u64 elink_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
1154 {
1155 	const u8 pbf_cos_offset = 0;
1156 	const u8 pbf_pri_offset = 0;
1157 
1158 	return elink_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1159 		pbf_pri_offset, 3);
1160 
1161 }
1162 
1163 /******************************************************************************
1164 * Description:
1165 *	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1166 *	according to sp_pri_to_cos.(which COS has higher priority)
1167 *
1168 ******************************************************************************/
1169 static elink_status_t elink_ets_e3b0_sp_set_pri_cli_reg(const struct elink_params *params,
1170 					     u8 *sp_pri_to_cos)
1171 {
1172 	struct elink_dev *cb = params->cb;
1173 	u8 i = 0;
1174 	const u8 port = params->port;
1175 	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1176 	u64 pri_cli_nig = 0x210;
1177 	u32 pri_cli_pbf = 0x0;
1178 	u8 pri_set = 0;
1179 	u8 pri_bitmask = 0;
1180 	const u8 max_num_of_cos = (port) ? ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 :
1181 		ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
1182 
1183 	u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1184 
1185 	/* Set all the strict priority first */
1186 	for (i = 0; i < max_num_of_cos; i++) {
1187 		if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1188 			if (sp_pri_to_cos[i] >= ELINK_DCBX_MAX_NUM_COS) {
1189 				ELINK_DEBUG_P0(cb,
1190 					   "elink_ets_e3b0_sp_set_pri_cli_reg "
1191 					   "invalid cos entry\n");
1192 				return ELINK_STATUS_ERROR;
1193 			}
1194 
1195 			pri_cli_nig |= elink_e3b0_sp_get_pri_cli_reg_nig(
1196 			    sp_pri_to_cos[i], pri_set);
1197 
1198 			pri_cli_pbf |= elink_e3b0_sp_get_pri_cli_reg_pbf(
1199 			    sp_pri_to_cos[i], pri_set);
1200 			pri_bitmask = 1 << sp_pri_to_cos[i];
1201 			/* COS is used remove it from bitmap.*/
1202 			if (!(pri_bitmask & cos_bit_to_set)) {
1203 				ELINK_DEBUG_P0(cb,
1204 					"elink_ets_e3b0_sp_set_pri_cli_reg "
1205 					"invalid There can't be two COS's with"
1206 					" the same strict pri\n");
1207 				return ELINK_STATUS_ERROR;
1208 			}
1209 			cos_bit_to_set &= ~pri_bitmask;
1210 			pri_set++;
1211 		}
1212 	}
1213 
1214 	/* Set all the Non strict priority i= COS*/
1215 	for (i = 0; i < max_num_of_cos; i++) {
1216 		pri_bitmask = 1 << i;
1217 		/* Check if COS was already used for SP */
1218 		if (pri_bitmask & cos_bit_to_set) {
1219 			/* COS wasn't used for SP */
1220 			pri_cli_nig |= elink_e3b0_sp_get_pri_cli_reg_nig(
1221 			    i, pri_set);
1222 
1223 			pri_cli_pbf |= elink_e3b0_sp_get_pri_cli_reg_pbf(
1224 			    i, pri_set);
1225 			/* COS is used remove it from bitmap.*/
1226 			cos_bit_to_set &= ~pri_bitmask;
1227 			pri_set++;
1228 		}
1229 	}
1230 
1231 	if (pri_set != max_num_of_cos) {
1232 		ELINK_DEBUG_P0(cb, "elink_ets_e3b0_sp_set_pri_cli_reg not all "
1233 				   "entries were set\n");
1234 		return ELINK_STATUS_ERROR;
1235 	}
1236 
1237 	if (port) {
1238 		/* Only 6 usable clients*/
1239 		REG_WR(cb, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1240 		       (u32)pri_cli_nig);
1241 
1242 		REG_WR(cb, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1243 	} else {
1244 		/* Only 9 usable clients*/
1245 		const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1246 		const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1247 
1248 		REG_WR(cb, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1249 		       pri_cli_nig_lsb);
1250 		REG_WR(cb, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1251 		       pri_cli_nig_msb);
1252 
1253 		REG_WR(cb, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1254 	}
1255 	return ELINK_STATUS_OK;
1256 }
1257 
1258 /******************************************************************************
1259 * Description:
1260 *	Configure the COS to ETS according to BW and SP settings.
1261 ******************************************************************************/
1262 elink_status_t elink_ets_e3b0_config(const struct elink_params *params,
1263 			 const struct elink_vars *vars,
1264 			 struct elink_ets_params *ets_params)
1265 {
1266 	struct elink_dev *cb = params->cb;
1267 	elink_status_t elink_status = ELINK_STATUS_OK;
1268 	const u8 port = params->port;
1269 	u16 total_bw = 0;
1270 	const u32 min_w_val_nig = elink_ets_get_min_w_val_nig(vars);
1271 	const u32 min_w_val_pbf = ELINK_ETS_E3B0_PBF_MIN_W_VAL;
1272 	u8 cos_bw_bitmap = 0;
1273 	u8 cos_sp_bitmap = 0;
1274 	u8 sp_pri_to_cos[ELINK_DCBX_MAX_NUM_COS] = {0};
1275 	const u8 max_num_of_cos = (port) ? ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 :
1276 		ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
1277 	u8 cos_entry = 0;
1278 
1279 	if (!CHIP_IS_E3B0(params->chip_id)) {
1280 		ELINK_DEBUG_P0(cb,
1281 		   "elink_ets_e3b0_disabled the chip isn't E3B0\n");
1282 		return ELINK_STATUS_ERROR;
1283 	}
1284 
1285 	if ((ets_params->num_of_cos > max_num_of_cos)) {
1286 		ELINK_DEBUG_P0(cb, "elink_ets_E3B0_config the number of COS "
1287 				   "isn't supported\n");
1288 		return ELINK_STATUS_ERROR;
1289 	}
1290 
1291 	/* Prepare sp strict priority parameters*/
1292 	elink_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1293 
1294 	/* Prepare BW parameters*/
1295 	elink_status = elink_ets_e3b0_get_total_bw(params, ets_params,
1296 						   &total_bw);
1297 	if (elink_status != ELINK_STATUS_OK) {
1298 		ELINK_DEBUG_P0(cb,
1299 		   "elink_ets_E3B0_config get_total_bw failed\n");
1300 		return ELINK_STATUS_ERROR;
1301 	}
1302 
1303 	/* Upper bound is set according to current link speed (min_w_val
1304 	 * should be the same for upper bound and COS credit val).
1305 	 */
1306 	elink_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1307 	elink_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1308 
1309 
1310 	for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1311 		if (elink_cos_state_bw == ets_params->cos[cos_entry].state) {
1312 			cos_bw_bitmap |= (1 << cos_entry);
1313 			/* The function also sets the BW in HW(not the mappin
1314 			 * yet)
1315 			 */
1316 			elink_status = elink_ets_e3b0_set_cos_bw(
1317 				cb, cos_entry, min_w_val_nig, min_w_val_pbf,
1318 				total_bw,
1319 				ets_params->cos[cos_entry].params.bw_params.bw,
1320 				 port);
1321 		} else if (elink_cos_state_strict ==
1322 			ets_params->cos[cos_entry].state){
1323 			cos_sp_bitmap |= (1 << cos_entry);
1324 
1325 			elink_status = elink_ets_e3b0_sp_pri_to_cos_set(
1326 				params,
1327 				sp_pri_to_cos,
1328 				ets_params->cos[cos_entry].params.sp_params.pri,
1329 				cos_entry);
1330 
1331 		} else {
1332 			ELINK_DEBUG_P0(cb,
1333 			   "elink_ets_e3b0_config cos state not valid\n");
1334 			return ELINK_STATUS_ERROR;
1335 		}
1336 		if (elink_status != ELINK_STATUS_OK) {
1337 			ELINK_DEBUG_P0(cb,
1338 			   "elink_ets_e3b0_config set cos bw failed\n");
1339 			return elink_status;
1340 		}
1341 	}
1342 
1343 	/* Set SP register (which COS has higher priority) */
1344 	elink_status = elink_ets_e3b0_sp_set_pri_cli_reg(params,
1345 							 sp_pri_to_cos);
1346 
1347 	if (elink_status != ELINK_STATUS_OK) {
1348 		ELINK_DEBUG_P0(cb,
1349 		   "elink_ets_E3B0_config set_pri_cli_reg failed\n");
1350 		return elink_status;
1351 	}
1352 
1353 	/* Set client mapping of BW and strict */
1354 	elink_status = elink_ets_e3b0_cli_map(params, ets_params,
1355 					      cos_sp_bitmap,
1356 					      cos_bw_bitmap);
1357 
1358 	if (elink_status != ELINK_STATUS_OK) {
1359 		ELINK_DEBUG_P0(cb, "elink_ets_E3B0_config SP failed\n");
1360 		return elink_status;
1361 	}
1362 	return ELINK_STATUS_OK;
1363 }
1364 static void elink_ets_bw_limit_common(const struct elink_params *params)
1365 {
1366 	/* ETS disabled configuration */
1367 	struct elink_dev *cb = params->cb;
1368 	ELINK_DEBUG_P0(cb, "ETS enabled BW limit configuration\n");
1369 	/* Defines which entries (clients) are subjected to WFQ arbitration
1370 	 * COS0 0x8
1371 	 * COS1 0x10
1372 	 */
1373 	REG_WR(cb, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1374 	/* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1375 	 * client numbers (WEIGHT_0 does not actually have to represent
1376 	 * client 0)
1377 	 *    PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1378 	 *  cos1-001     cos0-000     dbg1-100     dbg0-011     MCP-010
1379 	 */
1380 	REG_WR(cb, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1381 
1382 	REG_WR(cb, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1383 	       ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1384 	REG_WR(cb, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1385 	       ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1386 
1387 	/* ETS mode enabled*/
1388 	REG_WR(cb, PBF_REG_ETS_ENABLED, 1);
1389 
1390 	/* Defines the number of consecutive slots for the strict priority */
1391 	REG_WR(cb, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1392 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1393 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 - COS0
1394 	 * entry, 4 - COS1 entry.
1395 	 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1396 	 * bit4   bit3	  bit2     bit1	   bit0
1397 	 * MCP and debug are strict
1398 	 */
1399 	REG_WR(cb, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1400 
1401 	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1402 	REG_WR(cb, PBF_REG_COS0_UPPER_BOUND,
1403 	       ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1404 	REG_WR(cb, PBF_REG_COS1_UPPER_BOUND,
1405 	       ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1406 }
1407 
1408 void elink_ets_bw_limit(const struct elink_params *params, const u32 cos0_bw,
1409 			const u32 cos1_bw)
1410 {
1411 	/* ETS disabled configuration*/
1412 	struct elink_dev *cb = params->cb;
1413 	const u32 total_bw = cos0_bw + cos1_bw;
1414 	u32 cos0_credit_weight = 0;
1415 	u32 cos1_credit_weight = 0;
1416 
1417 	ELINK_DEBUG_P0(cb, "ETS enabled BW limit configuration\n");
1418 
1419 	if ((!total_bw) ||
1420 	    (!cos0_bw) ||
1421 	    (!cos1_bw)) {
1422 		ELINK_DEBUG_P0(cb, "Total BW can't be zero\n");
1423 		return;
1424 	}
1425 
1426 	cos0_credit_weight = (cos0_bw * ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT)/
1427 		total_bw;
1428 	cos1_credit_weight = (cos1_bw * ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT)/
1429 		total_bw;
1430 
1431 	elink_ets_bw_limit_common(params);
1432 
1433 	REG_WR(cb, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1434 	REG_WR(cb, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1435 
1436 	REG_WR(cb, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1437 	REG_WR(cb, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1438 }
1439 
1440 elink_status_t elink_ets_strict(const struct elink_params *params, const u8 strict_cos)
1441 {
1442 	/* ETS disabled configuration*/
1443 	struct elink_dev *cb = params->cb;
1444 	u32 val	= 0;
1445 
1446 	ELINK_DEBUG_P0(cb, "ETS enabled strict configuration\n");
1447 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1448 	 * as strict.  Bits 0,1,2 - debug and management entries,
1449 	 * 3 - COS0 entry, 4 - COS1 entry.
1450 	 *  COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1451 	 *  bit4   bit3	  bit2      bit1     bit0
1452 	 * MCP and debug are strict
1453 	 */
1454 	REG_WR(cb, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
1455 	/* For strict priority entries defines the number of consecutive slots
1456 	 * for the highest priority.
1457 	 */
1458 	REG_WR(cb, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1459 	/* ETS mode disable */
1460 	REG_WR(cb, PBF_REG_ETS_ENABLED, 0);
1461 	/* Defines the number of consecutive slots for the strict priority */
1462 	REG_WR(cb, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1463 
1464 	/* Defines the number of consecutive slots for the strict priority */
1465 	REG_WR(cb, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1466 
1467 	/* Mapping between entry  priority to client number (0,1,2 -debug and
1468 	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1469 	 * 3bits client num.
1470 	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1471 	 * dbg0-010     dbg1-001     cos1-100     cos0-011     MCP-000
1472 	 * dbg0-010     dbg1-001     cos0-011     cos1-100     MCP-000
1473 	 */
1474 	val = (!strict_cos) ? 0x2318 : 0x22E0;
1475 	REG_WR(cb, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1476 
1477 	return ELINK_STATUS_OK;
1478 }
1479 #endif /* ELINK_ENHANCEMENTS */
1480 
1481 /******************************************************************/
1482 /*			PFC section				  */
1483 /******************************************************************/
1484 #ifndef EXCLUDE_NON_COMMON_INIT
1485 #ifndef EXCLUDE_WARPCORE
1486 static void elink_update_pfc_xmac(struct elink_params *params,
1487 				  struct elink_vars *vars,
1488 				  u8 is_lb)
1489 {
1490 	struct elink_dev *cb = params->cb;
1491 	u32 xmac_base;
1492 	u32 pause_val, pfc0_val, pfc1_val;
1493 
1494 	/* XMAC base adrr */
1495 	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1496 
1497 	/* Initialize pause and pfc registers */
1498 	pause_val = 0x18000;
1499 	pfc0_val = 0xFFFF8000;
1500 	pfc1_val = 0x2;
1501 
1502 	/* No PFC support */
1503 	if (!(params->feature_config_flags &
1504 	      ELINK_FEATURE_CONFIG_PFC_ENABLED)) {
1505 
1506 		/* RX flow control - Process pause frame in receive direction
1507 		 */
1508 		if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)
1509 			pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1510 
1511 		/* TX flow control - Send pause packet when buffer is full */
1512 		if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)
1513 			pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1514 	} else {/* PFC support */
1515 		pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1516 			XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1517 			XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
1518 			XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1519 			XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1520 		/* Write pause and PFC registers */
1521 		REG_WR(cb, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1522 		REG_WR(cb, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1523 		REG_WR(cb, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1524 		pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1525 
1526 	}
1527 
1528 	/* Write pause and PFC registers */
1529 	REG_WR(cb, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1530 	REG_WR(cb, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1531 	REG_WR(cb, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1532 
1533 
1534 	/* Set MAC address for source TX Pause/PFC frames */
1535 	REG_WR(cb, xmac_base + XMAC_REG_CTRL_SA_LO,
1536 	       ((params->mac_addr[2] << 24) |
1537 		(params->mac_addr[3] << 16) |
1538 		(params->mac_addr[4] << 8) |
1539 		(params->mac_addr[5])));
1540 	REG_WR(cb, xmac_base + XMAC_REG_CTRL_SA_HI,
1541 	       ((params->mac_addr[0] << 8) |
1542 		(params->mac_addr[1])));
1543 
1544 	USLEEP(cb, 30);
1545 }
1546 
1547 #endif // EXCLUDE_WARPCORE
1548 #endif // #ifndef EXCLUDE_NON_COMMON_INIT
1549 #ifdef ELINK_ENHANCEMENTS
1550 #ifndef BNX2X_UPSTREAM /* ! BNX2X_UPSTREAM */
1551 static void elink_emac_get_pfc_stat(struct elink_params *params,
1552 				    u32 pfc_frames_sent[2],
1553 				    u32 pfc_frames_received[2])
1554 {
1555 	/* Read pfc statistic */
1556 	struct elink_dev *cb = params->cb;
1557 	u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1558 	u32 val_xon = 0;
1559 	u32 val_xoff = 0;
1560 
1561 	ELINK_DEBUG_P0(cb, "pfc statistic read from EMAC\n");
1562 
1563 	/* PFC received frames */
1564 	val_xoff = REG_RD(cb, emac_base +
1565 				EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
1566 	val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
1567 	val_xon = REG_RD(cb, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
1568 	val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
1569 
1570 	pfc_frames_received[0] = val_xon + val_xoff;
1571 
1572 	/* PFC received sent */
1573 	val_xoff = REG_RD(cb, emac_base +
1574 				EMAC_REG_RX_PFC_STATS_XOFF_SENT);
1575 	val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
1576 	val_xon = REG_RD(cb, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
1577 	val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
1578 
1579 	pfc_frames_sent[0] = val_xon + val_xoff;
1580 }
1581 
1582 /* Read pfc statistic*/
1583 void elink_pfc_statistic(struct elink_params *params, struct elink_vars *vars,
1584 			 u32 pfc_frames_sent[2],
1585 			 u32 pfc_frames_received[2])
1586 {
1587 	/* Read pfc statistic */
1588 	struct elink_dev *cb = params->cb;
1589 
1590 	ELINK_DEBUG_P0(cb, "pfc statistic\n");
1591 
1592 	if (!vars->link_up)
1593 		return;
1594 
1595 	if (vars->mac_type == ELINK_MAC_TYPE_EMAC) {
1596 		ELINK_DEBUG_P0(cb, "About to read PFC stats from EMAC\n");
1597 		elink_emac_get_pfc_stat(params, pfc_frames_sent,
1598 					pfc_frames_received);
1599 	}
1600 }
1601 #endif /* ! BNX2X_UPSTREAM */
1602 #endif /* ELINK_ENHANCEMENTS */
1603 /******************************************************************/
1604 /*			MAC/PBF section				  */
1605 /******************************************************************/
1606 static void elink_set_mdio_clk(struct elink_dev *cb, u32 chip_id,
1607 			       u32 emac_base)
1608 {
1609 	u32 new_mode, cur_mode;
1610 	u32 clc_cnt;
1611 	/* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1612 	 * (a value of 49==0x31) and make sure that the AUTO poll is off
1613 	 */
1614 	cur_mode = REG_RD(cb, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1615 
1616 	if (ELINK_USES_WARPCORE(chip_id))
1617 		clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1618 	else
1619 		clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1620 
1621 	if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
1622 	    (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
1623 		return;
1624 
1625 	new_mode = cur_mode &
1626 		~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
1627 	new_mode |= clc_cnt;
1628 	new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1629 
1630 	ELINK_DEBUG_P2(cb, "Changing emac_mode from 0x%x to 0x%x\n",
1631 	   cur_mode, new_mode);
1632 	REG_WR(cb, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
1633 	USLEEP(cb, 40);
1634 }
1635 
1636 #ifndef EXCLUDE_WARPCORE
1637 static u8 elink_is_4_port_mode(struct elink_dev *cb)
1638 {
1639 	u32 port4mode_ovwr_val;
1640 	/* Check 4-port override enabled */
1641 	port4mode_ovwr_val = REG_RD(cb, MISC_REG_PORT4MODE_EN_OVWR);
1642 	if (port4mode_ovwr_val & (1<<0)) {
1643 		/* Return 4-port mode override value */
1644 		return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1645 	}
1646 	/* Return 4-port mode from input pin */
1647 	return (u8)REG_RD(cb, MISC_REG_PORT4MODE_EN);
1648 }
1649 #endif
1650 
1651 #ifndef EXCLUDE_NON_COMMON_INIT
1652 static void elink_set_mdio_emac_per_phy(struct elink_dev *cb,
1653 					struct elink_params *params)
1654 {
1655 	u8 phy_index;
1656 
1657 	/* Set mdio clock per phy */
1658 	for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
1659 	      phy_index++)
1660 		elink_set_mdio_clk(cb, params->chip_id,
1661 				   params->phy[phy_index].mdio_ctrl);
1662 }
1663 
1664 static void elink_emac_init(struct elink_params *params,
1665 			    struct elink_vars *vars)
1666 {
1667 	/* reset and unreset the emac core */
1668 	struct elink_dev *cb = params->cb;
1669 	u8 port = params->port;
1670 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1671 	u32 val;
1672 	u16 timeout;
1673 
1674 	REG_WR(cb, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1675 	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1676 	USLEEP(cb, 5);
1677 	REG_WR(cb, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1678 	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1679 
1680 	/* init emac - use read-modify-write */
1681 	/* self clear reset */
1682 	val = REG_RD(cb, emac_base + EMAC_REG_EMAC_MODE);
1683 	EMAC_WR(cb, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
1684 
1685 	timeout = 200;
1686 	do {
1687 		val = REG_RD(cb, emac_base + EMAC_REG_EMAC_MODE);
1688 		ELINK_DEBUG_P1(cb, "EMAC reset reg is %u\n", val);
1689 		if (!timeout) {
1690 			ELINK_DEBUG_P0(cb, "EMAC timeout!\n");
1691 			return;
1692 		}
1693 		timeout--;
1694 	} while (val & EMAC_MODE_RESET);
1695 
1696 	elink_set_mdio_emac_per_phy(cb, params);
1697 	/* Set mac address */
1698 	val = ((params->mac_addr[0] << 8) |
1699 		params->mac_addr[1]);
1700 	EMAC_WR(cb, EMAC_REG_EMAC_MAC_MATCH, val);
1701 
1702 	val = ((params->mac_addr[2] << 24) |
1703 	       (params->mac_addr[3] << 16) |
1704 	       (params->mac_addr[4] << 8) |
1705 		params->mac_addr[5]);
1706 	EMAC_WR(cb, EMAC_REG_EMAC_MAC_MATCH + 4, val);
1707 }
1708 
1709 #ifndef EXCLUDE_WARPCORE
1710 static void elink_set_xumac_nig(struct elink_params *params,
1711 				u16 tx_pause_en,
1712 				u8 enable)
1713 {
1714 	struct elink_dev *cb = params->cb;
1715 
1716 	REG_WR(cb, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1717 	       enable);
1718 	REG_WR(cb, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1719 	       enable);
1720 	REG_WR(cb, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1721 	       NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1722 }
1723 
1724 static void elink_set_umac_rxtx(struct elink_params *params, u8 en)
1725 {
1726 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1727 	u32 val;
1728 	struct elink_dev *cb = params->cb;
1729 	if (!(REG_RD(cb, MISC_REG_RESET_REG_2) &
1730 		   (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1731 		return;
1732 	val = REG_RD(cb, umac_base + UMAC_REG_COMMAND_CONFIG);
1733 	if (en)
1734 		val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
1735 			UMAC_COMMAND_CONFIG_REG_RX_ENA);
1736 	else
1737 		val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
1738 			 UMAC_COMMAND_CONFIG_REG_RX_ENA);
1739 	/* Disable RX and TX */
1740 	REG_WR(cb, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1741 }
1742 
1743 static void elink_umac_enable(struct elink_params *params,
1744 			    struct elink_vars *vars, u8 lb)
1745 {
1746 	u32 val;
1747 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1748 	struct elink_dev *cb = params->cb;
1749 	/* Reset UMAC */
1750 	REG_WR(cb, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1751 	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1752 	MSLEEP(cb, 1);
1753 
1754 	REG_WR(cb, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1755 	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1756 
1757 	ELINK_DEBUG_P0(cb, "enabling UMAC\n");
1758 
1759 	/* This register opens the gate for the UMAC despite its name */
1760 	REG_WR(cb, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1761 
1762 	val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1763 		UMAC_COMMAND_CONFIG_REG_PAD_EN |
1764 		UMAC_COMMAND_CONFIG_REG_SW_RESET |
1765 		UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1766 	switch (vars->line_speed) {
1767 	case ELINK_SPEED_10:
1768 		val |= (0<<2);
1769 		break;
1770 	case ELINK_SPEED_100:
1771 		val |= (1<<2);
1772 		break;
1773 	case ELINK_SPEED_1000:
1774 		val |= (2<<2);
1775 		break;
1776 	case ELINK_SPEED_2500:
1777 		val |= (3<<2);
1778 		break;
1779 	default:
1780 		ELINK_DEBUG_P1(cb, "Invalid speed for UMAC %d\n",
1781 			       vars->line_speed);
1782 		break;
1783 	}
1784 	if (!(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
1785 		val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1786 
1787 	if (!(vars->flow_ctrl & ELINK_FLOW_CTRL_RX))
1788 		val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1789 
1790 	if (vars->duplex == DUPLEX_HALF)
1791 		val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1792 
1793 	REG_WR(cb, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1794 	USLEEP(cb, 50);
1795 
1796 	/* Configure UMAC for EEE */
1797 	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1798 		ELINK_DEBUG_P0(cb, "configured UMAC for EEE\n");
1799 		REG_WR(cb, umac_base + UMAC_REG_UMAC_EEE_CTRL,
1800 		       UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
1801 		REG_WR(cb, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
1802 	} else {
1803 		REG_WR(cb, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
1804 	}
1805 
1806 	/* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1807 	REG_WR(cb, umac_base + UMAC_REG_MAC_ADDR0,
1808 	       ((params->mac_addr[2] << 24) |
1809 		(params->mac_addr[3] << 16) |
1810 		(params->mac_addr[4] << 8) |
1811 		(params->mac_addr[5])));
1812 	REG_WR(cb, umac_base + UMAC_REG_MAC_ADDR1,
1813 	       ((params->mac_addr[0] << 8) |
1814 		(params->mac_addr[1])));
1815 
1816 	/* Enable RX and TX */
1817 	val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1818 	val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
1819 		UMAC_COMMAND_CONFIG_REG_RX_ENA;
1820 	REG_WR(cb, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1821 	USLEEP(cb, 50);
1822 
1823 	/* Remove SW Reset */
1824 	val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1825 
1826 	/* Check loopback mode */
1827 	if (lb)
1828 		val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1829 	REG_WR(cb, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1830 
1831 	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1832 	 * length used by the MAC receive logic to check frames.
1833 	 */
1834 	REG_WR(cb, umac_base + UMAC_REG_MAXFR, 0x2710);
1835 	elink_set_xumac_nig(params,
1836 			    ((vars->flow_ctrl & ELINK_FLOW_CTRL_TX) != 0), 1);
1837 	vars->mac_type = ELINK_MAC_TYPE_UMAC;
1838 
1839 }
1840 
1841 /* Define the XMAC mode */
1842 static void elink_xmac_init(struct elink_params *params, u32 max_speed)
1843 {
1844 	struct elink_dev *cb = params->cb;
1845 	u32 is_port4mode = elink_is_4_port_mode(cb);
1846 
1847 	/* In 4-port mode, need to set the mode only once, so if XMAC is
1848 	 * already out of reset, it means the mode has already been set,
1849 	 * and it must not* reset the XMAC again, since it controls both
1850 	 * ports of the path
1851 	 */
1852 
1853 	if (((CHIP_NUM(params->chip_id) == CHIP_NUM_57840_4_10) ||
1854 	     (CHIP_NUM(params->chip_id) == CHIP_NUM_57840_2_20) ||
1855 	     (CHIP_NUM(params->chip_id) == CHIP_NUM_57840_OBSOLETE)) &&
1856 	    is_port4mode &&
1857 	    (REG_RD(cb, MISC_REG_RESET_REG_2) &
1858 	     MISC_REGISTERS_RESET_REG_2_XMAC)) {
1859 		ELINK_DEBUG_P0(cb,
1860 		   "XMAC already out of reset in 4-port mode\n");
1861 		return;
1862 	}
1863 
1864 	/* Hard reset */
1865 	REG_WR(cb, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1866 	       MISC_REGISTERS_RESET_REG_2_XMAC);
1867 	MSLEEP(cb, 1);
1868 
1869 	REG_WR(cb, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1870 	       MISC_REGISTERS_RESET_REG_2_XMAC);
1871 	if (is_port4mode) {
1872 		ELINK_DEBUG_P0(cb, "Init XMAC to 2 ports x 10G per path\n");
1873 
1874 		/* Set the number of ports on the system side to up to 2 */
1875 		REG_WR(cb, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1876 
1877 		/* Set the number of ports on the Warp Core to 10G */
1878 		REG_WR(cb, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1879 	} else {
1880 		/* Set the number of ports on the system side to 1 */
1881 		REG_WR(cb, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1882 		if (max_speed == ELINK_SPEED_10000) {
1883 			ELINK_DEBUG_P0(cb,
1884 			   "Init XMAC to 10G x 1 port per path\n");
1885 			/* Set the number of ports on the Warp Core to 10G */
1886 			REG_WR(cb, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1887 		} else {
1888 			ELINK_DEBUG_P0(cb,
1889 			   "Init XMAC to 20G x 2 ports per path\n");
1890 			/* Set the number of ports on the Warp Core to 20G */
1891 			REG_WR(cb, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1892 		}
1893 	}
1894 	/* Soft reset */
1895 	REG_WR(cb, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1896 	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1897 	MSLEEP(cb, 1);
1898 
1899 	REG_WR(cb, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1900 	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1901 
1902 }
1903 
1904 static void elink_set_xmac_rxtx(struct elink_params *params, u8 en)
1905 {
1906 	u8 port = params->port;
1907 	struct elink_dev *cb = params->cb;
1908 	u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1909 	u32 val;
1910 
1911 	if (REG_RD(cb, MISC_REG_RESET_REG_2) &
1912 	    MISC_REGISTERS_RESET_REG_2_XMAC) {
1913 		/* Send an indication to change the state in the NIG back to XON
1914 		 * Clearing this bit enables the next set of this bit to get
1915 		 * rising edge
1916 		 */
1917 		pfc_ctrl = REG_RD(cb, xmac_base + XMAC_REG_PFC_CTRL_HI);
1918 		REG_WR(cb, xmac_base + XMAC_REG_PFC_CTRL_HI,
1919 		       (pfc_ctrl & ~(1<<1)));
1920 		REG_WR(cb, xmac_base + XMAC_REG_PFC_CTRL_HI,
1921 		       (pfc_ctrl | (1<<1)));
1922 		ELINK_DEBUG_P1(cb, "Disable XMAC on port %x\n", port);
1923 		val = REG_RD(cb, xmac_base + XMAC_REG_CTRL);
1924 		if (en)
1925 			val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1926 		else
1927 			val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1928 		REG_WR(cb, xmac_base + XMAC_REG_CTRL, val);
1929 	}
1930 }
1931 
1932 static elink_status_t elink_xmac_enable(struct elink_params *params,
1933 			     struct elink_vars *vars, u8 lb)
1934 {
1935 	u32 val, xmac_base;
1936 	struct elink_dev *cb = params->cb;
1937 	ELINK_DEBUG_P0(cb, "enabling XMAC\n");
1938 
1939 	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1940 
1941 	elink_xmac_init(params, vars->line_speed);
1942 
1943 	/* This register determines on which events the MAC will assert
1944 	 * error on the i/f to the NIG along w/ EOP.
1945 	 */
1946 
1947 	/* This register tells the NIG whether to send traffic to UMAC
1948 	 * or XMAC
1949 	 */
1950 	REG_WR(cb, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1951 
1952 	/* When XMAC is in XLGMII mode, disable sending idles for fault
1953 	 * detection.
1954 	 */
1955 	if (!(params->phy[ELINK_INT_PHY].flags & ELINK_FLAGS_TX_ERROR_CHECK)) {
1956 		REG_WR(cb, xmac_base + XMAC_REG_RX_LSS_CTRL,
1957 		       (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
1958 			XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
1959 		REG_WR(cb, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
1960 		REG_WR(cb, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
1961 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
1962 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
1963 	}
1964 	/* Set Max packet size */
1965 	REG_WR(cb, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1966 
1967 	/* CRC append for Tx packets */
1968 	REG_WR(cb, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1969 
1970 	/* update PFC */
1971 	elink_update_pfc_xmac(params, vars, 0);
1972 
1973 	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1974 		ELINK_DEBUG_P0(cb, "Setting XMAC for EEE\n");
1975 		REG_WR(cb, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1976 		REG_WR(cb, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1977 	} else {
1978 		REG_WR(cb, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1979 	}
1980 
1981 	/* Enable TX and RX */
1982 	val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1983 
1984 	/* Set MAC in XLGMII mode for dual-mode */
1985 	if ((vars->line_speed == ELINK_SPEED_20000) &&
1986 	    (params->phy[ELINK_INT_PHY].supported &
1987 	     ELINK_SUPPORTED_20000baseKR2_Full))
1988 		val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
1989 
1990 	/* Check loopback mode */
1991 	if (lb)
1992 		val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
1993 	REG_WR(cb, xmac_base + XMAC_REG_CTRL, val);
1994 	elink_set_xumac_nig(params,
1995 			    ((vars->flow_ctrl & ELINK_FLOW_CTRL_TX) != 0), 1);
1996 
1997 	vars->mac_type = ELINK_MAC_TYPE_XMAC;
1998 
1999 	return ELINK_STATUS_OK;
2000 }
2001 #endif // EXCLUDE_WARPCORE
2002 
2003 #ifndef EXCLUDE_EMAC
2004 static elink_status_t elink_emac_enable(struct elink_params *params,
2005 			     struct elink_vars *vars, u8 lb)
2006 {
2007 	struct elink_dev *cb = params->cb;
2008 	u8 port = params->port;
2009 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2010 	u32 val;
2011 
2012 	ELINK_DEBUG_P0(cb, "enabling EMAC\n");
2013 
2014 	/* Disable BMAC */
2015 	REG_WR(cb, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2016 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2017 
2018 	/* enable emac and not bmac */
2019 	REG_WR(cb, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
2020 
2021 #ifdef ELINK_INCLUDE_EMUL
2022 	/* for paladium */
2023 	if (CHIP_REV_IS_EMUL(params->chip_id)) {
2024 		/* Use lane 1 (of lanes 0-3) */
2025 		REG_WR(cb, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
2026 		REG_WR(cb, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
2027 	}
2028 	/* for fpga */
2029 	else
2030 #endif
2031 #ifdef ELINK_INCLUDE_FPGA
2032 	if (CHIP_REV_IS_FPGA(params->chip_id)) {
2033 		/* Use lane 1 (of lanes 0-3) */
2034 		ELINK_DEBUG_P0(cb, "elink_emac_enable: Setting FPGA\n");
2035 
2036 		REG_WR(cb, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
2037 		REG_WR(cb, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
2038 	} else
2039 #endif
2040 	/* ASIC */
2041 	if (vars->phy_flags & PHY_XGXS_FLAG) {
2042 		u32 ser_lane = ((params->lane_config &
2043 				 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
2044 				PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
2045 
2046 		ELINK_DEBUG_P0(cb, "XGXS\n");
2047 		/* select the master lanes (out of 0-3) */
2048 		REG_WR(cb, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
2049 		/* select XGXS */
2050 		REG_WR(cb, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
2051 
2052 	} else { /* SerDes */
2053 		ELINK_DEBUG_P0(cb, "SerDes\n");
2054 		/* select SerDes */
2055 		REG_WR(cb, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
2056 	}
2057 
2058 	elink_bits_en(cb, emac_base + EMAC_REG_EMAC_RX_MODE,
2059 		      EMAC_RX_MODE_RESET);
2060 	elink_bits_en(cb, emac_base + EMAC_REG_EMAC_TX_MODE,
2061 		      EMAC_TX_MODE_RESET);
2062 
2063 #if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
2064 	if (CHIP_REV_IS_SLOW(params->chip_id)) {
2065 		/* config GMII mode */
2066 		val = REG_RD(cb, emac_base + EMAC_REG_EMAC_MODE);
2067 		EMAC_WR(cb, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
2068 	} else { /* ASIC */
2069 #endif /* defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)*/
2070 		/* pause enable/disable */
2071 		elink_bits_dis(cb, emac_base + EMAC_REG_EMAC_RX_MODE,
2072 			       EMAC_RX_MODE_FLOW_EN);
2073 
2074 		elink_bits_dis(cb,  emac_base + EMAC_REG_EMAC_TX_MODE,
2075 			       (EMAC_TX_MODE_EXT_PAUSE_EN |
2076 				EMAC_TX_MODE_FLOW_EN));
2077 		if (!(params->feature_config_flags &
2078 		      ELINK_FEATURE_CONFIG_PFC_ENABLED)) {
2079 			if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)
2080 				elink_bits_en(cb, emac_base +
2081 					      EMAC_REG_EMAC_RX_MODE,
2082 					      EMAC_RX_MODE_FLOW_EN);
2083 
2084 			if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)
2085 				elink_bits_en(cb, emac_base +
2086 					      EMAC_REG_EMAC_TX_MODE,
2087 					      (EMAC_TX_MODE_EXT_PAUSE_EN |
2088 					       EMAC_TX_MODE_FLOW_EN));
2089 		} else
2090 			elink_bits_en(cb, emac_base + EMAC_REG_EMAC_TX_MODE,
2091 				      EMAC_TX_MODE_FLOW_EN);
2092 #if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
2093 	}
2094 #endif /* defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA) */
2095 
2096 	/* KEEP_VLAN_TAG, promiscuous */
2097 	val = REG_RD(cb, emac_base + EMAC_REG_EMAC_RX_MODE);
2098 	val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
2099 
2100 	/* Setting this bit causes MAC control frames (except for pause
2101 	 * frames) to be passed on for processing. This setting has no
2102 	 * affect on the operation of the pause frames. This bit effects
2103 	 * all packets regardless of RX Parser packet sorting logic.
2104 	 * Turn the PFC off to make sure we are in Xon state before
2105 	 * enabling it.
2106 	 */
2107 	EMAC_WR(cb, EMAC_REG_RX_PFC_MODE, 0);
2108 	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) {
2109 		ELINK_DEBUG_P0(cb, "PFC is enabled\n");
2110 		/* Enable PFC again */
2111 		EMAC_WR(cb, EMAC_REG_RX_PFC_MODE,
2112 			EMAC_REG_RX_PFC_MODE_RX_EN |
2113 			EMAC_REG_RX_PFC_MODE_TX_EN |
2114 			EMAC_REG_RX_PFC_MODE_PRIORITIES);
2115 
2116 		EMAC_WR(cb, EMAC_REG_RX_PFC_PARAM,
2117 			((0x0101 <<
2118 			  EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
2119 			 (0x00ff <<
2120 			  EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
2121 		val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
2122 	}
2123 	EMAC_WR(cb, EMAC_REG_EMAC_RX_MODE, val);
2124 
2125 	/* Set Loopback */
2126 	val = REG_RD(cb, emac_base + EMAC_REG_EMAC_MODE);
2127 	if (lb)
2128 		val |= 0x810;
2129 	else
2130 		val &= ~0x810;
2131 	EMAC_WR(cb, EMAC_REG_EMAC_MODE, val);
2132 
2133 	/* Enable emac */
2134 	REG_WR(cb, NIG_REG_NIG_EMAC0_EN + port*4, 1);
2135 
2136 #ifndef ELINK_AUX_POWER
2137 	/* Enable emac for jumbo packets */
2138 	EMAC_WR(cb, EMAC_REG_EMAC_RX_MTU_SIZE,
2139 		(EMAC_RX_MTU_SIZE_JUMBO_ENA |
2140 		 (ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD)));
2141 #endif
2142 
2143 	/* Strip CRC */
2144 	REG_WR(cb, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
2145 
2146 	/* Disable the NIG in/out to the bmac */
2147 	REG_WR(cb, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
2148 	REG_WR(cb, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
2149 	REG_WR(cb, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
2150 
2151 	/* Enable the NIG in/out to the emac */
2152 	REG_WR(cb, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
2153 	val = 0;
2154 	if ((params->feature_config_flags &
2155 	      ELINK_FEATURE_CONFIG_PFC_ENABLED) ||
2156 	    (vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
2157 		val = 1;
2158 
2159 	REG_WR(cb, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
2160 	REG_WR(cb, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
2161 
2162 #ifdef ELINK_INCLUDE_EMUL
2163 	if (CHIP_REV_IS_EMUL(params->chip_id)) {
2164 		/* Take the BigMac out of reset */
2165 		REG_WR(cb, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2166 		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2167 
2168 		/* Enable access for bmac registers */
2169 		REG_WR(cb, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2170 	} else
2171 #endif /* ELINK_INCLUDE_EMUL */
2172 	REG_WR(cb, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
2173 
2174 	vars->mac_type = ELINK_MAC_TYPE_EMAC;
2175 	return ELINK_STATUS_OK;
2176 }
2177 
2178 #endif //EXCLUDE_EMAC
2179 #ifndef EXCLUDE_BMAC1
2180 static void elink_update_pfc_bmac1(struct elink_params *params,
2181 				   struct elink_vars *vars)
2182 {
2183 	u32 wb_data[2];
2184 	struct elink_dev *cb = params->cb;
2185 	u32 bmac_addr =  params->port ? NIG_REG_INGRESS_BMAC1_MEM :
2186 		NIG_REG_INGRESS_BMAC0_MEM;
2187 
2188 	u32 val = 0x14;
2189 	if ((!(params->feature_config_flags &
2190 	      ELINK_FEATURE_CONFIG_PFC_ENABLED)) &&
2191 		(vars->flow_ctrl & ELINK_FLOW_CTRL_RX))
2192 		/* Enable BigMAC to react on received Pause packets */
2193 		val |= (1<<5);
2194 	wb_data[0] = val;
2195 	wb_data[1] = 0;
2196 	REG_WR_DMAE(cb, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
2197 
2198 	/* TX control */
2199 	val = 0xc0;
2200 	if (!(params->feature_config_flags &
2201 	      ELINK_FEATURE_CONFIG_PFC_ENABLED) &&
2202 		(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
2203 		val |= 0x800000;
2204 	wb_data[0] = val;
2205 	wb_data[1] = 0;
2206 	REG_WR_DMAE(cb, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
2207 }
2208 #endif // EXCLUDE_BMAC1
2209 
2210 #ifndef EXCLUDE_BMAC2
2211 static void elink_update_pfc_bmac2(struct elink_params *params,
2212 				   struct elink_vars *vars,
2213 				   u8 is_lb)
2214 {
2215 	/* Set rx control: Strip CRC and enable BigMAC to relay
2216 	 * control packets to the system as well
2217 	 */
2218 	u32 wb_data[2];
2219 	struct elink_dev *cb = params->cb;
2220 	u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
2221 		NIG_REG_INGRESS_BMAC0_MEM;
2222 	u32 val = 0x14;
2223 
2224 	if ((!(params->feature_config_flags &
2225 	      ELINK_FEATURE_CONFIG_PFC_ENABLED)) &&
2226 		(vars->flow_ctrl & ELINK_FLOW_CTRL_RX))
2227 		/* Enable BigMAC to react on received Pause packets */
2228 		val |= (1<<5);
2229 	wb_data[0] = val;
2230 	wb_data[1] = 0;
2231 	REG_WR_DMAE(cb, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
2232 	USLEEP(cb, 30);
2233 
2234 	/* Tx control */
2235 	val = 0xc0;
2236 	if (!(params->feature_config_flags &
2237 				ELINK_FEATURE_CONFIG_PFC_ENABLED) &&
2238 	    (vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
2239 		val |= 0x800000;
2240 	wb_data[0] = val;
2241 	wb_data[1] = 0;
2242 	REG_WR_DMAE(cb, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
2243 
2244 	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) {
2245 		ELINK_DEBUG_P0(cb, "PFC is enabled\n");
2246 		/* Enable PFC RX & TX & STATS and set 8 COS  */
2247 		wb_data[0] = 0x0;
2248 		wb_data[0] |= (1<<0);  /* RX */
2249 		wb_data[0] |= (1<<1);  /* TX */
2250 		wb_data[0] |= (1<<2);  /* Force initial Xon */
2251 		wb_data[0] |= (1<<3);  /* 8 cos */
2252 		wb_data[0] |= (1<<5);  /* STATS */
2253 		wb_data[1] = 0;
2254 		REG_WR_DMAE(cb, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2255 			    wb_data, 2);
2256 		/* Clear the force Xon */
2257 		wb_data[0] &= ~(1<<2);
2258 	} else {
2259 		ELINK_DEBUG_P0(cb, "PFC is disabled\n");
2260 		/* Disable PFC RX & TX & STATS and set 8 COS */
2261 		wb_data[0] = 0x8;
2262 		wb_data[1] = 0;
2263 	}
2264 
2265 	REG_WR_DMAE(cb, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2266 
2267 	/* Set Time (based unit is 512 bit time) between automatic
2268 	 * re-sending of PP packets amd enable automatic re-send of
2269 	 * Per-Priroity Packet as long as pp_gen is asserted and
2270 	 * pp_disable is low.
2271 	 */
2272 	val = 0x8000;
2273 	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
2274 		val |= (1<<16); /* enable automatic re-send */
2275 
2276 	wb_data[0] = val;
2277 	wb_data[1] = 0;
2278 	REG_WR_DMAE(cb, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
2279 		    wb_data, 2);
2280 
2281 	/* mac control */
2282 	val = 0x3; /* Enable RX and TX */
2283 	if (is_lb) {
2284 		val |= 0x4; /* Local loopback */
2285 		ELINK_DEBUG_P0(cb, "enable bmac loopback\n");
2286 	}
2287 	/* When PFC enabled, Pass pause frames towards the NIG. */
2288 	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
2289 		val |= ((1<<6)|(1<<5));
2290 
2291 	wb_data[0] = val;
2292 	wb_data[1] = 0;
2293 	REG_WR_DMAE(cb, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2294 }
2295 #endif // EXCLUDE_BMAC2
2296 #endif // EXCLUDE_NON_COMMON_INIT
2297 #ifdef ELINK_ENHANCEMENTS
2298 
2299 /******************************************************************************
2300 * Description:
2301 *  This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2302 *  not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2303 ******************************************************************************/
2304 static elink_status_t elink_pfc_nig_rx_priority_mask(struct elink_dev *cb,
2305 					   u8 cos_entry,
2306 					   u32 priority_mask, u8 port)
2307 {
2308 	u32 nig_reg_rx_priority_mask_add = 0;
2309 
2310 	switch (cos_entry) {
2311 	case 0:
2312 	     nig_reg_rx_priority_mask_add = (port) ?
2313 		 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2314 		 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2315 	     break;
2316 	case 1:
2317 	    nig_reg_rx_priority_mask_add = (port) ?
2318 		NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2319 		NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2320 	    break;
2321 	case 2:
2322 	    nig_reg_rx_priority_mask_add = (port) ?
2323 		NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2324 		NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2325 	    break;
2326 	case 3:
2327 	    if (port)
2328 		return ELINK_STATUS_ERROR;
2329 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2330 	    break;
2331 	case 4:
2332 	    if (port)
2333 		return ELINK_STATUS_ERROR;
2334 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2335 	    break;
2336 	case 5:
2337 	    if (port)
2338 		return ELINK_STATUS_ERROR;
2339 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2340 	    break;
2341 	}
2342 
2343 	REG_WR(cb, nig_reg_rx_priority_mask_add, priority_mask);
2344 
2345 	return ELINK_STATUS_OK;
2346 }
2347 #endif // ELINK_ENHANCEMENTS
2348 #ifndef EXCLUDE_NON_COMMON_INIT
2349 static void elink_update_mng(struct elink_params *params, u32 link_status)
2350 {
2351 	struct elink_dev *cb = params->cb;
2352 
2353 	REG_WR(cb, params->shmem_base +
2354 	       OFFSETOF(struct shmem_region,
2355 			port_mb[params->port].link_status), link_status);
2356 }
2357 
2358 #ifdef ELINK_ENHANCEMENTS
2359 static void elink_update_pfc_nig(struct elink_params *params,
2360 		struct elink_vars *vars,
2361 		struct elink_nig_brb_pfc_port_params *nig_params)
2362 {
2363 	u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2364 	u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2365 	u32 pkt_priority_to_cos = 0;
2366 	struct elink_dev *cb = params->cb;
2367 	u8 port = params->port;
2368 
2369 	int set_pfc = params->feature_config_flags &
2370 		ELINK_FEATURE_CONFIG_PFC_ENABLED;
2371 	ELINK_DEBUG_P0(cb, "updating pfc nig parameters\n");
2372 
2373 	/* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2374 	 * MAC control frames (that are not pause packets)
2375 	 * will be forwarded to the XCM.
2376 	 */
2377 	xcm_mask = REG_RD(cb, port ? NIG_REG_LLH1_XCM_MASK :
2378 			  NIG_REG_LLH0_XCM_MASK);
2379 	/* NIG params will override non PFC params, since it's possible to
2380 	 * do transition from PFC to SAFC
2381 	 */
2382 	if (set_pfc) {
2383 		pause_enable = 0;
2384 		llfc_out_en = 0;
2385 		llfc_enable = 0;
2386 		if (CHIP_IS_E3(params->chip_id))
2387 			ppp_enable = 0;
2388 		else
2389 			ppp_enable = 1;
2390 		xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2391 				     NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2392 		xcm_out_en = 0;
2393 		hwpfc_enable = 1;
2394 	} else  {
2395 		if (nig_params) {
2396 			llfc_out_en = nig_params->llfc_out_en;
2397 			llfc_enable = nig_params->llfc_enable;
2398 			pause_enable = nig_params->pause_enable;
2399 		} else  /* Default non PFC mode - PAUSE */
2400 			pause_enable = 1;
2401 
2402 		xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2403 			NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2404 		xcm_out_en = 1;
2405 	}
2406 
2407 	if (CHIP_IS_E3(params->chip_id))
2408 		REG_WR(cb, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2409 		       NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2410 	REG_WR(cb, port ? NIG_REG_LLFC_OUT_EN_1 :
2411 	       NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2412 	REG_WR(cb, port ? NIG_REG_LLFC_ENABLE_1 :
2413 	       NIG_REG_LLFC_ENABLE_0, llfc_enable);
2414 	REG_WR(cb, port ? NIG_REG_PAUSE_ENABLE_1 :
2415 	       NIG_REG_PAUSE_ENABLE_0, pause_enable);
2416 
2417 	REG_WR(cb, port ? NIG_REG_PPP_ENABLE_1 :
2418 	       NIG_REG_PPP_ENABLE_0, ppp_enable);
2419 
2420 	REG_WR(cb, port ? NIG_REG_LLH1_XCM_MASK :
2421 	       NIG_REG_LLH0_XCM_MASK, xcm_mask);
2422 
2423 	REG_WR(cb, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2424 	       NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2425 
2426 	/* Output enable for RX_XCM # IF */
2427 	REG_WR(cb, port ? NIG_REG_XCM1_OUT_EN :
2428 	       NIG_REG_XCM0_OUT_EN, xcm_out_en);
2429 
2430 	/* HW PFC TX enable */
2431 	REG_WR(cb, port ? NIG_REG_P1_HWPFC_ENABLE :
2432 	       NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2433 
2434 	if (nig_params) {
2435 		u8 i = 0;
2436 		pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2437 
2438 		for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2439 			elink_pfc_nig_rx_priority_mask(cb, i,
2440 		nig_params->rx_cos_priority_mask[i], port);
2441 
2442 		REG_WR(cb, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2443 		       NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2444 		       nig_params->llfc_high_priority_classes);
2445 
2446 		REG_WR(cb, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2447 		       NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2448 		       nig_params->llfc_low_priority_classes);
2449 	}
2450 	REG_WR(cb, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2451 	       NIG_REG_P0_PKT_PRIORITY_TO_COS,
2452 	       pkt_priority_to_cos);
2453 }
2454 
2455 elink_status_t elink_update_pfc(struct elink_params *params,
2456 		      struct elink_vars *vars,
2457 		      struct elink_nig_brb_pfc_port_params *pfc_params)
2458 {
2459 	/* The PFC and pause are orthogonal to one another, meaning when
2460 	 * PFC is enabled, the pause are disabled, and when PFC is
2461 	 * disabled, pause are set according to the pause result.
2462 	 */
2463 	u32 val;
2464 	struct elink_dev *cb = params->cb;
2465 	u8 bmac_loopback = (params->loopback_mode == ELINK_LOOPBACK_BMAC);
2466 
2467 	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
2468 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
2469 	else
2470 		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2471 
2472 	elink_update_mng(params, vars->link_status);
2473 
2474 	/* Update NIG params */
2475 	elink_update_pfc_nig(params, vars, pfc_params);
2476 
2477 	if (!vars->link_up)
2478 		return ELINK_STATUS_OK;
2479 
2480 	ELINK_DEBUG_P0(cb, "About to update PFC in BMAC\n");
2481 
2482 	if (CHIP_IS_E3(params->chip_id)) {
2483 		if (vars->mac_type == ELINK_MAC_TYPE_XMAC)
2484 			elink_update_pfc_xmac(params, vars, 0);
2485 	} else {
2486 		val = REG_RD(cb, MISC_REG_RESET_REG_2);
2487 		if ((val &
2488 		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2489 		    == 0) {
2490 			ELINK_DEBUG_P0(cb, "About to update PFC in EMAC\n");
2491 			elink_emac_enable(params, vars, 0);
2492 			return ELINK_STATUS_OK;
2493 		}
2494 		if (CHIP_IS_E2(params->chip_id))
2495 			elink_update_pfc_bmac2(params, vars, bmac_loopback);
2496 		else
2497 			elink_update_pfc_bmac1(params, vars);
2498 
2499 		val = 0;
2500 		if ((params->feature_config_flags &
2501 		     ELINK_FEATURE_CONFIG_PFC_ENABLED) ||
2502 		    (vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
2503 			val = 1;
2504 		REG_WR(cb, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2505 	}
2506 	return ELINK_STATUS_OK;
2507 }
2508 
2509 #endif /* ELINK_ENHANCEMENTS */
2510 #ifndef EXCLUDE_BMAC1
2511 static elink_status_t elink_bmac1_enable(struct elink_params *params,
2512 			      struct elink_vars *vars,
2513 			      u8 is_lb)
2514 {
2515 	struct elink_dev *cb = params->cb;
2516 	u8 port = params->port;
2517 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2518 			       NIG_REG_INGRESS_BMAC0_MEM;
2519 	u32 wb_data[2];
2520 	u32 val;
2521 
2522 	ELINK_DEBUG_P0(cb, "Enabling BigMAC1\n");
2523 
2524 	/* XGXS control */
2525 	wb_data[0] = 0x3c;
2526 	wb_data[1] = 0;
2527 	REG_WR_DMAE(cb, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2528 		    wb_data, 2);
2529 
2530 	/* TX MAC SA */
2531 	wb_data[0] = ((params->mac_addr[2] << 24) |
2532 		       (params->mac_addr[3] << 16) |
2533 		       (params->mac_addr[4] << 8) |
2534 			params->mac_addr[5]);
2535 	wb_data[1] = ((params->mac_addr[0] << 8) |
2536 			params->mac_addr[1]);
2537 	REG_WR_DMAE(cb, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
2538 
2539 	/* MAC control */
2540 	val = 0x3;
2541 	if (is_lb) {
2542 		val |= 0x4;
2543 		ELINK_DEBUG_P0(cb,  "enable bmac loopback\n");
2544 	}
2545 	wb_data[0] = val;
2546 	wb_data[1] = 0;
2547 	REG_WR_DMAE(cb, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
2548 
2549 	/* Set rx mtu */
2550 	wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
2551 	wb_data[1] = 0;
2552 	REG_WR_DMAE(cb, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
2553 
2554 	elink_update_pfc_bmac1(params, vars);
2555 
2556 	/* Set tx mtu */
2557 	wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
2558 	wb_data[1] = 0;
2559 	REG_WR_DMAE(cb, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
2560 
2561 	/* Set cnt max size */
2562 	wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
2563 	wb_data[1] = 0;
2564 	REG_WR_DMAE(cb, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2565 
2566 	/* Configure SAFC */
2567 	wb_data[0] = 0x1000200;
2568 	wb_data[1] = 0;
2569 	REG_WR_DMAE(cb, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2570 		    wb_data, 2);
2571 #ifdef ELINK_INCLUDE_EMUL
2572 	/* Fix for emulation */
2573 	if (CHIP_REV_IS_EMUL(params->chip_id)) {
2574 		wb_data[0] = 0xf000;
2575 		wb_data[1] = 0;
2576 		REG_WR_DMAE(cb,	bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD,
2577 			    wb_data, 2);
2578 	}
2579 #endif /* ELINK_INCLUDE_EMUL */
2580 
2581 	return ELINK_STATUS_OK;
2582 }
2583 #endif /* EXCLUDE_BMAC1 */
2584 
2585 #ifndef EXCLUDE_BMAC2
2586 static elink_status_t elink_bmac2_enable(struct elink_params *params,
2587 			      struct elink_vars *vars,
2588 			      u8 is_lb)
2589 {
2590 	struct elink_dev *cb = params->cb;
2591 	u8 port = params->port;
2592 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2593 			       NIG_REG_INGRESS_BMAC0_MEM;
2594 	u32 wb_data[2];
2595 
2596 	ELINK_DEBUG_P0(cb, "Enabling BigMAC2\n");
2597 
2598 	wb_data[0] = 0;
2599 	wb_data[1] = 0;
2600 	REG_WR_DMAE(cb, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2601 	USLEEP(cb, 30);
2602 
2603 	/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2604 	wb_data[0] = 0x3c;
2605 	wb_data[1] = 0;
2606 	REG_WR_DMAE(cb, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2607 		    wb_data, 2);
2608 
2609 	USLEEP(cb, 30);
2610 
2611 	/* TX MAC SA */
2612 	wb_data[0] = ((params->mac_addr[2] << 24) |
2613 		       (params->mac_addr[3] << 16) |
2614 		       (params->mac_addr[4] << 8) |
2615 			params->mac_addr[5]);
2616 	wb_data[1] = ((params->mac_addr[0] << 8) |
2617 			params->mac_addr[1]);
2618 	REG_WR_DMAE(cb, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
2619 		    wb_data, 2);
2620 
2621 	USLEEP(cb, 30);
2622 
2623 	/* Configure SAFC */
2624 	wb_data[0] = 0x1000200;
2625 	wb_data[1] = 0;
2626 	REG_WR_DMAE(cb, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
2627 		    wb_data, 2);
2628 	USLEEP(cb, 30);
2629 
2630 	/* Set RX MTU */
2631 	wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
2632 	wb_data[1] = 0;
2633 	REG_WR_DMAE(cb, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
2634 	USLEEP(cb, 30);
2635 
2636 	/* Set TX MTU */
2637 	wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
2638 	wb_data[1] = 0;
2639 	REG_WR_DMAE(cb, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
2640 	USLEEP(cb, 30);
2641 	/* Set cnt max size */
2642 	wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD - 2;
2643 	wb_data[1] = 0;
2644 	REG_WR_DMAE(cb, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2645 	USLEEP(cb, 30);
2646 	elink_update_pfc_bmac2(params, vars, is_lb);
2647 
2648 	return ELINK_STATUS_OK;
2649 }
2650 #endif /* EXCLUDE_BMAC2 */
2651 
2652 #if !defined(EXCLUDE_BMAC2)
2653 static elink_status_t elink_bmac_enable(struct elink_params *params,
2654 			     struct elink_vars *vars,
2655 			     u8 is_lb, u8 reset_bmac)
2656 {
2657 	elink_status_t rc = ELINK_STATUS_OK;
2658 	u8 port = params->port;
2659 	struct elink_dev *cb = params->cb;
2660 	u32 val;
2661 	/* Reset and unreset the BigMac */
2662 	if (reset_bmac) {
2663 		REG_WR(cb, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2664 		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2665 		MSLEEP(cb, 1);
2666 	}
2667 
2668 	REG_WR(cb, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2669 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2670 
2671 	/* Enable access for bmac registers */
2672 	REG_WR(cb, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2673 
2674 	/* Enable BMAC according to BMAC type*/
2675 #ifdef ELINK_ENHANCEMENTS
2676 	if (CHIP_IS_E2(params->chip_id))
2677 #endif
2678 #ifndef EXCLUDE_BMAC2
2679 		rc = elink_bmac2_enable(params, vars, is_lb);
2680 #endif
2681 #ifdef ELINK_ENHANCEMENTS
2682 	else
2683 #endif
2684 #ifndef EXCLUDE_BMAC1
2685 		rc = elink_bmac1_enable(params, vars, is_lb);
2686 #endif
2687 	REG_WR(cb, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2688 	REG_WR(cb, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2689 	REG_WR(cb, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2690 	val = 0;
2691 	if ((params->feature_config_flags &
2692 	      ELINK_FEATURE_CONFIG_PFC_ENABLED) ||
2693 	    (vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
2694 		val = 1;
2695 	REG_WR(cb, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2696 	REG_WR(cb, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2697 	REG_WR(cb, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2698 	REG_WR(cb, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2699 	REG_WR(cb, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2700 	REG_WR(cb, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2701 
2702 	vars->mac_type = ELINK_MAC_TYPE_BMAC;
2703 	return rc;
2704 }
2705 #endif /* #if !defined(EXCLUDE_BMAC2) && !defined(EXCLUDE_BMAC1) */
2706 
2707 #if !defined(EXCLUDE_BMAC2) && !defined(EXCLUDE_BMAC1)
2708 static void elink_set_bmac_rx(struct elink_dev *cb, u32 chip_id, u8 port, u8 en)
2709 {
2710 	u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2711 			NIG_REG_INGRESS_BMAC0_MEM;
2712 	u32 wb_data[2];
2713 	u32 nig_bmac_enable = REG_RD(cb, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
2714 
2715 	if (CHIP_IS_E2(chip_id))
2716 		bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
2717 	else
2718 		bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
2719 	/* Only if the bmac is out of reset */
2720 	if (REG_RD(cb, MISC_REG_RESET_REG_2) &
2721 			(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2722 	    nig_bmac_enable) {
2723 		/* Clear Rx Enable bit in BMAC_CONTROL register */
2724 		REG_RD_DMAE(cb, bmac_addr, wb_data, 2);
2725 		if (en)
2726 			wb_data[0] |= ELINK_BMAC_CONTROL_RX_ENABLE;
2727 		else
2728 			wb_data[0] &= ~ELINK_BMAC_CONTROL_RX_ENABLE;
2729 		REG_WR_DMAE(cb, bmac_addr, wb_data, 2);
2730 		MSLEEP(cb, 1);
2731 	}
2732 }
2733 #endif /* !defined(EXCLUDE_BMAC2) && !defined(EXCLUDE_BMAC1) */
2734 #endif // EXCLUDE_NON_COMMON_INIT
2735 
2736 #ifndef ELINK_AUX_POWER
2737 static elink_status_t elink_pbf_update(struct elink_params *params, u32 flow_ctrl,
2738 			    u32 line_speed)
2739 {
2740 	struct elink_dev *cb = params->cb;
2741 	u8 port = params->port;
2742 	u32 init_crd, crd;
2743 	u32 count = 1000;
2744 
2745 	/* Disable port */
2746 	REG_WR(cb, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2747 
2748 	/* Wait for init credit */
2749 	init_crd = REG_RD(cb, PBF_REG_P0_INIT_CRD + port*4);
2750 	crd = REG_RD(cb, PBF_REG_P0_CREDIT + port*8);
2751 	ELINK_DEBUG_P2(cb, "init_crd 0x%x  crd 0x%x\n", init_crd, crd);
2752 
2753 	while ((init_crd != crd) && count) {
2754 		MSLEEP(cb, 5);
2755 		crd = REG_RD(cb, PBF_REG_P0_CREDIT + port*8);
2756 		count--;
2757 	}
2758 	crd = REG_RD(cb, PBF_REG_P0_CREDIT + port*8);
2759 	if (init_crd != crd) {
2760 		ELINK_DEBUG_P2(cb, "BUG! init_crd 0x%x != crd 0x%x\n",
2761 			  init_crd, crd);
2762 		return ELINK_STATUS_ERROR;
2763 	}
2764 
2765 	if (flow_ctrl & ELINK_FLOW_CTRL_RX ||
2766 	    line_speed == ELINK_SPEED_10 ||
2767 	    line_speed == ELINK_SPEED_100 ||
2768 	    line_speed == ELINK_SPEED_1000 ||
2769 	    line_speed == ELINK_SPEED_2500) {
2770 		REG_WR(cb, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
2771 		/* Update threshold */
2772 		REG_WR(cb, PBF_REG_P0_ARB_THRSH + port*4, 0);
2773 		/* Update init credit */
2774 		init_crd = 778;		/* (800-18-4) */
2775 
2776 	} else {
2777 		u32 thresh = (ELINK_ETH_MAX_JUMBO_PACKET_SIZE +
2778 			      ELINK_ETH_OVREHEAD)/16;
2779 		REG_WR(cb, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
2780 		/* Update threshold */
2781 		REG_WR(cb, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2782 		/* Update init credit */
2783 		switch (line_speed) {
2784 		case ELINK_SPEED_10000:
2785 			init_crd = thresh + 553 - 22;
2786 			break;
2787 		default:
2788 			ELINK_DEBUG_P1(cb, "Invalid line_speed 0x%x\n",
2789 				  line_speed);
2790 			return ELINK_STATUS_ERROR;
2791 		}
2792 	}
2793 	REG_WR(cb, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2794 	ELINK_DEBUG_P2(cb, "PBF updated to speed %d credit %d\n",
2795 		 line_speed, init_crd);
2796 
2797 	/* Probe the credit changes */
2798 	REG_WR(cb, PBF_REG_INIT_P0 + port*4, 0x1);
2799 	MSLEEP(cb, 5);
2800 	REG_WR(cb, PBF_REG_INIT_P0 + port*4, 0x0);
2801 
2802 	/* Enable port */
2803 	REG_WR(cb, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2804 	return ELINK_STATUS_OK;
2805 }
2806 #endif /* ELINK_AUX_POWER */
2807 
2808 #ifndef EXCLUDE_COMMON_INIT
2809 /**
2810  * elink_get_emac_base - retrive emac base address
2811  *
2812  * @bp:			driver handle
2813  * @mdc_mdio_access:	access type
2814  * @port:		port id
2815  *
2816  * This function selects the MDC/MDIO access (through emac0 or
2817  * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2818  * phy has a default access mode, which could also be overridden
2819  * by nvram configuration. This parameter, whether this is the
2820  * default phy configuration, or the nvram overrun
2821  * configuration, is passed here as mdc_mdio_access and selects
2822  * the emac_base for the CL45 read/writes operations
2823  */
2824 static u32 elink_get_emac_base(struct elink_dev *cb,
2825 			       u32 mdc_mdio_access, u8 port)
2826 {
2827 	u32 emac_base = 0;
2828 	switch (mdc_mdio_access) {
2829 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2830 		break;
2831 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2832 		if (REG_RD(cb, NIG_REG_PORT_SWAP))
2833 			emac_base = GRCBASE_EMAC1;
2834 		else
2835 			emac_base = GRCBASE_EMAC0;
2836 		break;
2837 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
2838 		if (REG_RD(cb, NIG_REG_PORT_SWAP))
2839 			emac_base = GRCBASE_EMAC0;
2840 		else
2841 			emac_base = GRCBASE_EMAC1;
2842 		break;
2843 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2844 		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2845 		break;
2846 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
2847 		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
2848 		break;
2849 	default:
2850 		break;
2851 	}
2852 	return emac_base;
2853 
2854 }
2855 #endif /* EXCLUDE_COMMON_INIT */
2856 
2857 /******************************************************************/
2858 /*			CL22 access functions			  */
2859 /******************************************************************/
2860 #ifndef EXCLUDE_NON_COMMON_INIT
2861 #ifndef EXCLUDE_BCM54618SE
2862 static elink_status_t elink_cl22_write(struct elink_dev *cb,
2863 				       struct elink_phy *phy,
2864 				       u16 reg, u16 val)
2865 {
2866 	u32 tmp, mode;
2867 	u8 i;
2868 	elink_status_t rc = ELINK_STATUS_OK;
2869 	/* Switch to CL22 */
2870 	mode = REG_RD(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2871 	REG_WR(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2872 	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2873 
2874 	/* Address */
2875 	tmp = ((phy->addr << 21) | (reg << 16) | val |
2876 	       EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2877 	       EMAC_MDIO_COMM_START_BUSY);
2878 	REG_WR(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2879 
2880 	for (i = 0; i < 50; i++) {
2881 		USLEEP(cb, 10);
2882 
2883 		tmp = REG_RD(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2884 		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2885 			USLEEP(cb, 5);
2886 			break;
2887 		}
2888 	}
2889 	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2890 		ELINK_DEBUG_P0(cb, "write phy register failed\n");
2891 		rc = ELINK_STATUS_TIMEOUT;
2892 	}
2893 	REG_WR(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2894 	return rc;
2895 }
2896 
2897 static elink_status_t elink_cl22_read(struct elink_dev *cb,
2898 				      struct elink_phy *phy,
2899 				      u16 reg, u16 *ret_val)
2900 {
2901 	u32 val, mode;
2902 	u16 i;
2903 	elink_status_t rc = ELINK_STATUS_OK;
2904 
2905 	/* Switch to CL22 */
2906 	mode = REG_RD(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2907 	REG_WR(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2908 	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2909 
2910 	/* Address */
2911 	val = ((phy->addr << 21) | (reg << 16) |
2912 	       EMAC_MDIO_COMM_COMMAND_READ_22 |
2913 	       EMAC_MDIO_COMM_START_BUSY);
2914 	REG_WR(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2915 
2916 	for (i = 0; i < 50; i++) {
2917 		USLEEP(cb, 10);
2918 
2919 		val = REG_RD(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2920 		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2921 			*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2922 			USLEEP(cb, 5);
2923 			break;
2924 		}
2925 	}
2926 	if (val & EMAC_MDIO_COMM_START_BUSY) {
2927 		ELINK_DEBUG_P0(cb, "read phy register failed\n");
2928 
2929 		*ret_val = 0;
2930 		rc = ELINK_STATUS_TIMEOUT;
2931 	}
2932 	REG_WR(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2933 	return rc;
2934 }
2935 #endif
2936 #endif /* EXCLUDE_NON_COMMON_INIT */
2937 
2938 /******************************************************************/
2939 /*			CL45 access functions			  */
2940 /******************************************************************/
2941 static elink_status_t elink_cl45_read(struct elink_dev *cb, struct elink_phy *phy,
2942 			   u8 devad, u16 reg, u16 *ret_val)
2943 {
2944 	u32 val;
2945 	u16 i;
2946 	elink_status_t rc = ELINK_STATUS_OK;
2947 #ifndef ELINK_AUX_POWER
2948 	u32 chip_id;
2949 	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_G) {
2950 		chip_id = (REG_RD(cb, MISC_REG_CHIP_NUM) << 16) |
2951 			  ((REG_RD(cb, MISC_REG_CHIP_REV) & 0xf) << 12);
2952 		elink_set_mdio_clk(cb, chip_id, phy->mdio_ctrl);
2953 	}
2954 #endif /* ELINK_AUX_POWER */
2955 
2956 	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
2957 		elink_bits_en(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2958 			      EMAC_MDIO_STATUS_10MB);
2959 	/* Address */
2960 	val = ((phy->addr << 21) | (devad << 16) | reg |
2961 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
2962 	       EMAC_MDIO_COMM_START_BUSY);
2963 	REG_WR(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2964 
2965 	for (i = 0; i < 50; i++) {
2966 		USLEEP(cb, 10);
2967 
2968 		val = REG_RD(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2969 		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2970 			USLEEP(cb, 5);
2971 			break;
2972 		}
2973 	}
2974 	if (val & EMAC_MDIO_COMM_START_BUSY) {
2975 		ELINK_DEBUG_P0(cb, "read phy register failed\n");
2976 		elink_cb_event_log(cb, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n"
2977 
2978 		*ret_val = 0;
2979 		rc = ELINK_STATUS_TIMEOUT;
2980 	} else {
2981 		/* Data */
2982 		val = ((phy->addr << 21) | (devad << 16) |
2983 		       EMAC_MDIO_COMM_COMMAND_READ_45 |
2984 		       EMAC_MDIO_COMM_START_BUSY);
2985 		REG_WR(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2986 
2987 		for (i = 0; i < 50; i++) {
2988 			USLEEP(cb, 10);
2989 
2990 			val = REG_RD(cb, phy->mdio_ctrl +
2991 				     EMAC_REG_EMAC_MDIO_COMM);
2992 			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2993 				*ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2994 				break;
2995 			}
2996 		}
2997 		if (val & EMAC_MDIO_COMM_START_BUSY) {
2998 			ELINK_DEBUG_P0(cb, "read phy register failed\n");
2999 			elink_cb_event_log(cb, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n"
3000 
3001 			*ret_val = 0;
3002 			rc = ELINK_STATUS_TIMEOUT;
3003 		}
3004 	}
3005 	/* Work around for E3 A0 */
3006 	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA) {
3007 		phy->flags ^= ELINK_FLAGS_DUMMY_READ;
3008 		if (phy->flags & ELINK_FLAGS_DUMMY_READ) {
3009 			u16 temp_val;
3010 			elink_cl45_read(cb, phy, devad, 0xf, &temp_val);
3011 		}
3012 	}
3013 
3014 	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
3015 		elink_bits_dis(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3016 			       EMAC_MDIO_STATUS_10MB);
3017 	return rc;
3018 }
3019 
3020 static elink_status_t elink_cl45_write(struct elink_dev *cb, struct elink_phy *phy,
3021 			    u8 devad, u16 reg, u16 val)
3022 {
3023 	u32 tmp;
3024 	u8 i;
3025 	elink_status_t rc = ELINK_STATUS_OK;
3026 #ifndef ELINK_AUX_POWER
3027 	u32 chip_id;
3028 	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_G) {
3029 		chip_id = (REG_RD(cb, MISC_REG_CHIP_NUM) << 16) |
3030 			  ((REG_RD(cb, MISC_REG_CHIP_REV) & 0xf) << 12);
3031 		elink_set_mdio_clk(cb, chip_id, phy->mdio_ctrl);
3032 	}
3033 #endif /* ELINK_AUX_POWER */
3034 
3035 	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
3036 		elink_bits_en(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3037 			      EMAC_MDIO_STATUS_10MB);
3038 
3039 	/* Address */
3040 	tmp = ((phy->addr << 21) | (devad << 16) | reg |
3041 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
3042 	       EMAC_MDIO_COMM_START_BUSY);
3043 	REG_WR(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3044 
3045 	for (i = 0; i < 50; i++) {
3046 		USLEEP(cb, 10);
3047 
3048 		tmp = REG_RD(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3049 		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3050 			USLEEP(cb, 5);
3051 			break;
3052 		}
3053 	}
3054 	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3055 		ELINK_DEBUG_P0(cb, "write phy register failed\n");
3056 		elink_cb_event_log(cb, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n"
3057 
3058 		rc = ELINK_STATUS_TIMEOUT;
3059 	} else {
3060 		/* Data */
3061 		tmp = ((phy->addr << 21) | (devad << 16) | val |
3062 		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
3063 		       EMAC_MDIO_COMM_START_BUSY);
3064 		REG_WR(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3065 
3066 		for (i = 0; i < 50; i++) {
3067 			USLEEP(cb, 10);
3068 
3069 			tmp = REG_RD(cb, phy->mdio_ctrl +
3070 				     EMAC_REG_EMAC_MDIO_COMM);
3071 			if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3072 				USLEEP(cb, 5);
3073 				break;
3074 			}
3075 		}
3076 		if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3077 			ELINK_DEBUG_P0(cb, "write phy register failed\n");
3078 			elink_cb_event_log(cb, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n"
3079 
3080 			rc = ELINK_STATUS_TIMEOUT;
3081 		}
3082 	}
3083 	/* Work around for E3 A0 */
3084 	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA) {
3085 		phy->flags ^= ELINK_FLAGS_DUMMY_READ;
3086 		if (phy->flags & ELINK_FLAGS_DUMMY_READ) {
3087 			u16 temp_val;
3088 			elink_cl45_read(cb, phy, devad, 0xf, &temp_val);
3089 		}
3090 	}
3091 	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
3092 		elink_bits_dis(cb, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3093 			       EMAC_MDIO_STATUS_10MB);
3094 	return rc;
3095 }
3096 
3097 /******************************************************************/
3098 /*			EEE section				   */
3099 /******************************************************************/
3100 #ifndef EXCLUDE_NON_COMMON_INIT
3101 #ifndef EXCLUDE_WARPCORE
3102 static u8 elink_eee_has_cap(struct elink_params *params)
3103 {
3104 	struct elink_dev *cb = params->cb;
3105 
3106 	if (REG_RD(cb, params->shmem2_base) <=
3107 		   OFFSETOF(struct shmem2_region, eee_status[params->port]))
3108 		return 0;
3109 
3110 	return 1;
3111 }
3112 
3113 static elink_status_t elink_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
3114 {
3115 	switch (nvram_mode) {
3116 	case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
3117 		*idle_timer = ELINK_EEE_MODE_NVRAM_BALANCED_TIME;
3118 		break;
3119 	case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
3120 		*idle_timer = ELINK_EEE_MODE_NVRAM_AGGRESSIVE_TIME;
3121 		break;
3122 	case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
3123 		*idle_timer = ELINK_EEE_MODE_NVRAM_LATENCY_TIME;
3124 		break;
3125 	default:
3126 		*idle_timer = 0;
3127 		break;
3128 	}
3129 
3130 	return ELINK_STATUS_OK;
3131 }
3132 
3133 static elink_status_t elink_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
3134 {
3135 	switch (idle_timer) {
3136 	case ELINK_EEE_MODE_NVRAM_BALANCED_TIME:
3137 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
3138 		break;
3139 	case ELINK_EEE_MODE_NVRAM_AGGRESSIVE_TIME:
3140 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
3141 		break;
3142 	case ELINK_EEE_MODE_NVRAM_LATENCY_TIME:
3143 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
3144 		break;
3145 	default:
3146 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
3147 		break;
3148 	}
3149 
3150 	return ELINK_STATUS_OK;
3151 }
3152 
3153 static u32 elink_eee_calc_timer(struct elink_params *params)
3154 {
3155 	u32 eee_mode, eee_idle;
3156 	struct elink_dev *cb = params->cb;
3157 
3158 	if (params->eee_mode & ELINK_EEE_MODE_OVERRIDE_NVRAM) {
3159 		if (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME) {
3160 			/* time value in eee_mode --> used directly*/
3161 			eee_idle = params->eee_mode & ELINK_EEE_MODE_TIMER_MASK;
3162 		} else {
3163 			/* hsi value in eee_mode --> time */
3164 			if (elink_eee_nvram_to_time(params->eee_mode &
3165 						    ELINK_EEE_MODE_NVRAM_MASK,
3166 						    &eee_idle))
3167 				return 0;
3168 		}
3169 	} else {
3170 		/* hsi values in nvram --> time*/
3171 		eee_mode = ((REG_RD(cb, params->shmem_base +
3172 				    OFFSETOF(struct shmem_region, dev_info.
3173 				    port_feature_config[params->port].
3174 				    eee_power_mode)) &
3175 			     PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
3176 			    PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
3177 
3178 		if (elink_eee_nvram_to_time(eee_mode, &eee_idle))
3179 			return 0;
3180 	}
3181 
3182 	return eee_idle;
3183 }
3184 
3185 static elink_status_t elink_eee_set_timers(struct elink_params *params,
3186 				   struct elink_vars *vars)
3187 {
3188 	u32 eee_idle = 0, eee_mode;
3189 	struct elink_dev *cb = params->cb;
3190 
3191 	eee_idle = elink_eee_calc_timer(params);
3192 
3193 	if (eee_idle) {
3194 		REG_WR(cb, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
3195 		       eee_idle);
3196 	} else if ((params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI) &&
3197 		   (params->eee_mode & ELINK_EEE_MODE_OVERRIDE_NVRAM) &&
3198 		   (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME)) {
3199 		ELINK_DEBUG_P0(cb, "Error: Tx LPI is enabled with timer 0\n");
3200 		return ELINK_STATUS_ERROR;
3201 	}
3202 
3203 	vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
3204 	if (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME) {
3205 		/* eee_idle in 1u --> eee_status in 16u */
3206 		eee_idle >>= 4;
3207 		vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
3208 				    SHMEM_EEE_TIME_OUTPUT_BIT;
3209 	} else {
3210 		if (elink_eee_time_to_nvram(eee_idle, &eee_mode))
3211 			return ELINK_STATUS_ERROR;
3212 		vars->eee_status |= eee_mode;
3213 	}
3214 
3215 	return ELINK_STATUS_OK;
3216 }
3217 
3218 static elink_status_t elink_eee_initial_config(struct elink_params *params,
3219 				     struct elink_vars *vars, u8 mode)
3220 {
3221 	vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
3222 
3223 	/* Propogate params' bits --> vars (for migration exposure) */
3224 	if (params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)
3225 		vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
3226 	else
3227 		vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
3228 
3229 	if (params->eee_mode & ELINK_EEE_MODE_ADV_LPI)
3230 		vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
3231 	else
3232 		vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
3233 
3234 	return elink_eee_set_timers(params, vars);
3235 }
3236 
3237 static elink_status_t elink_eee_disable(struct elink_phy *phy,
3238 				struct elink_params *params,
3239 				struct elink_vars *vars)
3240 {
3241 	struct elink_dev *cb = params->cb;
3242 
3243 	/* Make Certain LPI is disabled */
3244 	REG_WR(cb, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
3245 
3246 	elink_cl45_write(cb, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
3247 
3248 	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
3249 
3250 	return ELINK_STATUS_OK;
3251 }
3252 
3253 static elink_status_t elink_eee_advertise(struct elink_phy *phy,
3254 				  struct elink_params *params,
3255 				  struct elink_vars *vars, u8 modes)
3256 {
3257 	struct elink_dev *cb = params->cb;
3258 	u16 val = 0;
3259 
3260 	/* Mask events preventing LPI generation */
3261 	REG_WR(cb, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
3262 
3263 	if (modes & SHMEM_EEE_10G_ADV) {
3264 		ELINK_DEBUG_P0(cb, "Advertise 10GBase-T EEE\n");
3265 		val |= 0x8;
3266 	}
3267 	if (modes & SHMEM_EEE_1G_ADV) {
3268 		ELINK_DEBUG_P0(cb, "Advertise 1GBase-T EEE\n");
3269 		val |= 0x4;
3270 	}
3271 
3272 	elink_cl45_write(cb, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
3273 
3274 	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
3275 	vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
3276 
3277 	return ELINK_STATUS_OK;
3278 }
3279 
3280 static void elink_update_mng_eee(struct elink_params *params, u32 eee_status)
3281 {
3282 	struct elink_dev *cb = params->cb;
3283 
3284 	if (elink_eee_has_cap(params))
3285 		REG_WR(cb, params->shmem2_base +
3286 		       OFFSETOF(struct shmem2_region,
3287 				eee_status[params->port]), eee_status);
3288 }
3289 
3290 static void elink_eee_an_resolve(struct elink_phy *phy,
3291 				  struct elink_params *params,
3292 				  struct elink_vars *vars)
3293 {
3294 	struct elink_dev *cb = params->cb;
3295 	u16 adv = 0, lp = 0;
3296 	u32 lp_adv = 0;
3297 	u8 neg = 0;
3298 
3299 	elink_cl45_read(cb, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
3300 	elink_cl45_read(cb, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
3301 
3302 	if (lp & 0x2) {
3303 		lp_adv |= SHMEM_EEE_100M_ADV;
3304 		if (adv & 0x2) {
3305 			if (vars->line_speed == ELINK_SPEED_100)
3306 				neg = 1;
3307 			ELINK_DEBUG_P0(cb, "EEE negotiated - 100M\n");
3308 		}
3309 	}
3310 	if (lp & 0x14) {
3311 		lp_adv |= SHMEM_EEE_1G_ADV;
3312 		if (adv & 0x14) {
3313 			if (vars->line_speed == ELINK_SPEED_1000)
3314 				neg = 1;
3315 			ELINK_DEBUG_P0(cb, "EEE negotiated - 1G\n");
3316 		}
3317 	}
3318 	if (lp & 0x68) {
3319 		lp_adv |= SHMEM_EEE_10G_ADV;
3320 		if (adv & 0x68) {
3321 			if (vars->line_speed == ELINK_SPEED_10000)
3322 				neg = 1;
3323 			ELINK_DEBUG_P0(cb, "EEE negotiated - 10G\n");
3324 		}
3325 	}
3326 
3327 	vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3328 	vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3329 
3330 	if (neg) {
3331 		ELINK_DEBUG_P0(cb, "EEE is active\n");
3332 		vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3333 	}
3334 }
3335 
3336 /******************************************************************/
3337 /*			BSC access functions from E3	          */
3338 /******************************************************************/
3339 static void elink_bsc_module_sel(struct elink_params *params)
3340 {
3341 	int idx;
3342 	u32 board_cfg, sfp_ctrl;
3343 	u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3344 	struct elink_dev *cb = params->cb;
3345 	u8 port = params->port;
3346 	/* Read I2C output PINs */
3347 	board_cfg = REG_RD(cb, params->shmem_base +
3348 			   OFFSETOF(struct shmem_region,
3349 				    dev_info.shared_hw_config.board));
3350 	i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3351 	i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3352 			SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3353 
3354 	/* Read I2C output value */
3355 	sfp_ctrl = REG_RD(cb, params->shmem_base +
3356 			  OFFSETOF(struct shmem_region,
3357 				 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3358 	i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3359 	i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3360 	ELINK_DEBUG_P0(cb, "Setting BSC switch\n");
3361 	for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3362 		elink_set_cfg_pin(cb, i2c_pins[idx], i2c_val[idx]);
3363 }
3364 
3365 static elink_status_t elink_bsc_read(struct elink_params *params,
3366 			  struct elink_dev *cb,
3367 			  u8 sl_devid,
3368 			  u16 sl_addr,
3369 			  u8 lc_addr,
3370 			  u8 xfer_cnt,
3371 			  u32 *data_array)
3372 {
3373 	u32 val, i;
3374 	elink_status_t rc = ELINK_STATUS_OK;
3375 
3376 	if (xfer_cnt > 16) {
3377 		ELINK_DEBUG_P1(cb, "invalid xfer_cnt %d. Max is 16 bytes\n",
3378 					xfer_cnt);
3379 		return ELINK_STATUS_ERROR;
3380 	}
3381 	if (params)
3382 		elink_bsc_module_sel(params);
3383 
3384 	xfer_cnt = 16 - lc_addr;
3385 
3386 	/* Enable the engine */
3387 	val = REG_RD(cb, MCP_REG_MCPR_IMC_COMMAND);
3388 	val |= MCPR_IMC_COMMAND_ENABLE;
3389 	REG_WR(cb, MCP_REG_MCPR_IMC_COMMAND, val);
3390 
3391 	/* Program slave device ID */
3392 	val = (sl_devid << 16) | sl_addr;
3393 	REG_WR(cb, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3394 
3395 	/* Start xfer with 0 byte to update the address pointer ???*/
3396 	val = (MCPR_IMC_COMMAND_ENABLE) |
3397 	      (MCPR_IMC_COMMAND_WRITE_OP <<
3398 		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3399 		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3400 	REG_WR(cb, MCP_REG_MCPR_IMC_COMMAND, val);
3401 
3402 	/* Poll for completion */
3403 	i = 0;
3404 	val = REG_RD(cb, MCP_REG_MCPR_IMC_COMMAND);
3405 	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3406 		USLEEP(cb, 10);
3407 		val = REG_RD(cb, MCP_REG_MCPR_IMC_COMMAND);
3408 		if (i++ > 1000) {
3409 			ELINK_DEBUG_P1(cb, "wr 0 byte timed out after %d try\n",
3410 								i);
3411 			rc = ELINK_STATUS_TIMEOUT;
3412 			break;
3413 		}
3414 	}
3415 	if (rc == ELINK_STATUS_TIMEOUT)
3416 		return rc;
3417 
3418 	/* Start xfer with read op */
3419 	val = (MCPR_IMC_COMMAND_ENABLE) |
3420 		(MCPR_IMC_COMMAND_READ_OP <<
3421 		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3422 		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3423 		  (xfer_cnt);
3424 	REG_WR(cb, MCP_REG_MCPR_IMC_COMMAND, val);
3425 
3426 	/* Poll for completion */
3427 	i = 0;
3428 	val = REG_RD(cb, MCP_REG_MCPR_IMC_COMMAND);
3429 	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3430 		USLEEP(cb, 10);
3431 		val = REG_RD(cb, MCP_REG_MCPR_IMC_COMMAND);
3432 		if (i++ > 1000) {
3433 			ELINK_DEBUG_P1(cb, "rd op timed out after %d try\n", i);
3434 			rc = ELINK_STATUS_TIMEOUT;
3435 			break;
3436 		}
3437 	}
3438 	if (rc == ELINK_STATUS_TIMEOUT)
3439 		return rc;
3440 
3441 	for (i = (lc_addr >> 2); i < 4; i++) {
3442 		data_array[i] = REG_RD(cb, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3443 #ifdef BIG_ENDIAN
3444 		data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3445 				((data_array[i] & 0x0000ff00) << 8) |
3446 				((data_array[i] & 0x00ff0000) >> 8) |
3447 				((data_array[i] & 0xff000000) >> 24);
3448 #endif
3449 	}
3450 	return rc;
3451 }
3452 
3453 #endif /* EXCLUDE_WARPCORE */
3454 #endif /* EXCLUDE_NON_COMMON_INIT */
3455 #if !defined(EXCLUDE_NON_COMMON_INIT) || defined(INCLUDE_WARPCORE_UC_LOAD)
3456 static void elink_cl45_read_or_write(struct elink_dev *cb, struct elink_phy *phy,
3457 				     u8 devad, u16 reg, u16 or_val)
3458 {
3459 	u16 val;
3460 	elink_cl45_read(cb, phy, devad, reg, &val);
3461 	elink_cl45_write(cb, phy, devad, reg, val | or_val);
3462 }
3463 
3464 static void elink_cl45_read_and_write(struct elink_dev *cb,
3465 				      struct elink_phy *phy,
3466 				      u8 devad, u16 reg, u16 and_val)
3467 {
3468 	u16 val;
3469 	elink_cl45_read(cb, phy, devad, reg, &val);
3470 	elink_cl45_write(cb, phy, devad, reg, val & and_val);
3471 }
3472 #endif
3473 
3474 #ifdef ELINK_ENHANCEMENTS
3475 elink_status_t elink_phy_read(struct elink_params *params, u8 phy_addr,
3476 		   u8 devad, u16 reg, u16 *ret_val)
3477 {
3478 	u8 phy_index;
3479 	/* Probe for the phy according to the given phy_addr, and execute
3480 	 * the read request on it
3481 	 */
3482 	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3483 		if (params->phy[phy_index].addr == phy_addr) {
3484 			return elink_cl45_read(params->cb,
3485 					       &params->phy[phy_index], devad,
3486 					       reg, ret_val);
3487 		}
3488 	}
3489 	return ELINK_STATUS_ERROR;
3490 }
3491 
3492 elink_status_t elink_phy_write(struct elink_params *params, u8 phy_addr,
3493 		    u8 devad, u16 reg, u16 val)
3494 {
3495 	u8 phy_index;
3496 	/* Probe for the phy according to the given phy_addr, and execute
3497 	 * the write request on it
3498 	 */
3499 	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3500 		if (params->phy[phy_index].addr == phy_addr) {
3501 			return elink_cl45_write(params->cb,
3502 						&params->phy[phy_index], devad,
3503 						reg, val);
3504 		}
3505 	}
3506 	return ELINK_STATUS_ERROR;
3507 }
3508 #endif // ELINK_ENHANCEMENTS
3509 
3510 #if (!defined EXCLUDE_NON_COMMON_INIT) || (!defined EXCLUDE_WARPCORE)
3511 static u8 elink_get_warpcore_lane(struct elink_phy *phy,
3512 				  struct elink_params *params)
3513 {
3514 	u8 lane = 0;
3515 #ifndef EXCLUDE_WARPCORE
3516 	struct elink_dev *cb = params->cb;
3517 	u32 path_swap, path_swap_ovr;
3518 	u8 path, port;
3519 
3520 	path = PATH_ID(cb);
3521 	port = params->port;
3522 
3523 	if (elink_is_4_port_mode(cb)) {
3524 		u32 port_swap, port_swap_ovr;
3525 
3526 		/* Figure out path swap value */
3527 		path_swap_ovr = REG_RD(cb, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3528 		if (path_swap_ovr & 0x1)
3529 			path_swap = (path_swap_ovr & 0x2);
3530 		else
3531 			path_swap = REG_RD(cb, MISC_REG_FOUR_PORT_PATH_SWAP);
3532 
3533 		if (path_swap)
3534 			path = path ^ 1;
3535 
3536 		/* Figure out port swap value */
3537 		port_swap_ovr = REG_RD(cb, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3538 		if (port_swap_ovr & 0x1)
3539 			port_swap = (port_swap_ovr & 0x2);
3540 		else
3541 			port_swap = REG_RD(cb, MISC_REG_FOUR_PORT_PORT_SWAP);
3542 
3543 		if (port_swap)
3544 			port = port ^ 1;
3545 
3546 		lane = (port<<1) + path;
3547 	} else { /* Two port mode - no port swap */
3548 
3549 		/* Figure out path swap value */
3550 		path_swap_ovr =
3551 			REG_RD(cb, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3552 		if (path_swap_ovr & 0x1) {
3553 			path_swap = (path_swap_ovr & 0x2);
3554 		} else {
3555 			path_swap =
3556 				REG_RD(cb, MISC_REG_TWO_PORT_PATH_SWAP);
3557 		}
3558 		if (path_swap)
3559 			path = path ^ 1;
3560 
3561 		lane = path << 1 ;
3562 	}
3563 #endif /* #ifndef EXCLUDE_WARPCORE */
3564 	return lane;
3565 }
3566 
3567 
3568 static void elink_set_aer_mmd(struct elink_params *params,
3569 			      struct elink_phy *phy)
3570 {
3571 	u32 ser_lane;
3572 	u16 offset, aer_val;
3573 	struct elink_dev *cb = params->cb;
3574 	ser_lane = ((params->lane_config &
3575 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3576 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3577 
3578 	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3579 		(phy->addr + ser_lane) : 0;
3580 
3581 	if (ELINK_USES_WARPCORE(params->chip_id)) {
3582 		aer_val = elink_get_warpcore_lane(phy, params);
3583 		/* In Dual-lane mode, two lanes are joined together,
3584 		 * so in order to configure them, the AER broadcast method is
3585 		 * used here.
3586 		 * 0x200 is the broadcast address for lanes 0,1
3587 		 * 0x201 is the broadcast address for lanes 2,3
3588 		 */
3589 		if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
3590 			aer_val = (aer_val >> 1) | 0x200;
3591 	} else if (CHIP_IS_E2(params->chip_id))
3592 		aer_val = 0x3800 + offset - 1;
3593 	else
3594 		aer_val = 0x3800 + offset;
3595 
3596 	CL22_WR_OVER_CL45(cb, phy, MDIO_REG_BANK_AER_BLOCK,
3597 			  MDIO_AER_BLOCK_AER_REG, aer_val);
3598 
3599 }
3600 #endif
3601 #ifndef EXCLUDE_SERDES
3602 
3603 /******************************************************************/
3604 /*			Internal phy section			  */
3605 /******************************************************************/
3606 
3607 static void elink_set_serdes_access(struct elink_dev *cb, u8 port)
3608 {
3609 	u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3610 
3611 	/* Set Clause 22 */
3612 	REG_WR(cb, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3613 	REG_WR(cb, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3614 	USLEEP(cb, 500);
3615 	REG_WR(cb, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3616 	USLEEP(cb, 500);
3617 	 /* Set Clause 45 */
3618 	REG_WR(cb, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3619 }
3620 
3621 static void elink_serdes_deassert(struct elink_dev *cb, u8 port)
3622 {
3623 	u32 val;
3624 
3625 	ELINK_DEBUG_P0(cb, "elink_serdes_deassert\n");
3626 
3627 	val = ELINK_SERDES_RESET_BITS << (port*16);
3628 
3629 	/* Reset and unreset the SerDes/XGXS */
3630 	REG_WR(cb, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3631 	USLEEP(cb, 500);
3632 	REG_WR(cb, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3633 
3634 	elink_set_serdes_access(cb, port);
3635 
3636 	REG_WR(cb, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3637 	       ELINK_DEFAULT_PHY_DEV_ADDR);
3638 }
3639 #endif /* #ifndef EXCLUDE_SERDES */
3640 
3641 #ifndef EXCLUDE_NON_COMMON_INIT
3642 #ifndef EXCLUDE_XGXS
3643 static void elink_xgxs_specific_func(struct elink_phy *phy,
3644 				     struct elink_params *params,
3645 				     u32 action)
3646 {
3647 	struct elink_dev *cb = params->cb;
3648 	switch (action) {
3649 	case ELINK_PHY_INIT:
3650 		/* Set correct devad */
3651 		REG_WR(cb, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
3652 		REG_WR(cb, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
3653 		       phy->def_md_devad);
3654 		break;
3655 	}
3656 }
3657 
3658 static void elink_xgxs_deassert(struct elink_params *params)
3659 {
3660 	struct elink_dev *cb = params->cb;
3661 	u8 port;
3662 	u32 val;
3663 	ELINK_DEBUG_P0(cb, "elink_xgxs_deassert\n");
3664 	port = params->port;
3665 
3666 	val = ELINK_XGXS_RESET_BITS << (port*16);
3667 
3668 	/* Reset and unreset the SerDes/XGXS */
3669 	REG_WR(cb, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3670 	USLEEP(cb, 500);
3671 	REG_WR(cb, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3672 	elink_xgxs_specific_func(&params->phy[ELINK_INT_PHY], params,
3673 				 ELINK_PHY_INIT);
3674 }
3675 #endif // EXCLUDE_XGXS
3676 
3677 static void elink_calc_ieee_aneg_adv(struct elink_phy *phy,
3678 				     struct elink_params *params, u16 *ieee_fc)
3679 {
3680 #ifdef ELINK_DEBUG
3681 	struct elink_dev *cb = params->cb;
3682 #endif
3683 	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3684 	/* Resolve pause mode and advertisement Please refer to Table
3685 	 * 28B-3 of the 802.3ab-1999 spec
3686 	 */
3687 
3688 	switch (phy->req_flow_ctrl) {
3689 	case ELINK_FLOW_CTRL_AUTO:
3690 		switch (params->req_fc_auto_adv) {
3691 		case ELINK_FLOW_CTRL_BOTH:
3692 			*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3693 			break;
3694 		case ELINK_FLOW_CTRL_RX:
3695 		case ELINK_FLOW_CTRL_TX:
3696 			*ieee_fc |=
3697 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3698 			break;
3699 		default:
3700 			break;
3701 		}
3702 		break;
3703 	case ELINK_FLOW_CTRL_TX:
3704 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3705 		break;
3706 
3707 	case ELINK_FLOW_CTRL_RX:
3708 	case ELINK_FLOW_CTRL_BOTH:
3709 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3710 		break;
3711 
3712 	case ELINK_FLOW_CTRL_NONE:
3713 	default:
3714 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3715 		break;
3716 	}
3717 	ELINK_DEBUG_P1(cb, "ieee_fc = 0x%x\n", *ieee_fc);
3718 }
3719 #endif /* #ifndef EXCLUDE_NON_COMMON_INIT */
3720 
3721 static void set_phy_vars(struct elink_params *params,
3722 			 struct elink_vars *vars)
3723 {
3724 #ifdef ELINK_DEBUG
3725 	struct elink_dev *cb = params->cb;
3726 #endif
3727 	u8 actual_phy_idx, phy_index, link_cfg_idx;
3728 	u8 phy_config_swapped = params->multi_phy_config &
3729 			PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3730 	for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
3731 	      phy_index++) {
3732 		link_cfg_idx = ELINK_LINK_CONFIG_IDX(phy_index);
3733 		actual_phy_idx = phy_index;
3734 		if (phy_config_swapped) {
3735 			if (phy_index == ELINK_EXT_PHY1)
3736 				actual_phy_idx = ELINK_EXT_PHY2;
3737 			else if (phy_index == ELINK_EXT_PHY2)
3738 				actual_phy_idx = ELINK_EXT_PHY1;
3739 		}
3740 		params->phy[actual_phy_idx].req_flow_ctrl =
3741 			params->req_flow_ctrl[link_cfg_idx];
3742 
3743 		params->phy[actual_phy_idx].req_line_speed =
3744 			params->req_line_speed[link_cfg_idx];
3745 
3746 		params->phy[actual_phy_idx].speed_cap_mask =
3747 			params->speed_cap_mask[link_cfg_idx];
3748 
3749 		params->phy[actual_phy_idx].req_duplex =
3750 			params->req_duplex[link_cfg_idx];
3751 
3752 		if (params->req_line_speed[link_cfg_idx] ==
3753 		    ELINK_SPEED_AUTO_NEG)
3754 			vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3755 
3756 		ELINK_DEBUG_P3(cb, "req_flow_ctrl %x, req_line_speed %x,"
3757 			   " speed_cap_mask %x\n",
3758 			   params->phy[actual_phy_idx].req_flow_ctrl,
3759 			   params->phy[actual_phy_idx].req_line_speed,
3760 			   params->phy[actual_phy_idx].speed_cap_mask);
3761 	}
3762 }
3763 
3764 #ifndef EXCLUDE_NON_COMMON_INIT
3765 static void elink_ext_phy_set_pause(struct elink_params *params,
3766 				    struct elink_phy *phy,
3767 				    struct elink_vars *vars)
3768 {
3769 	u16 val;
3770 	struct elink_dev *cb = params->cb;
3771 	/* Read modify write pause advertizing */
3772 	elink_cl45_read(cb, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3773 
3774 	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3775 
3776 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3777 	elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3778 	if ((vars->ieee_fc &
3779 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3780 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3781 		val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3782 	}
3783 	if ((vars->ieee_fc &
3784 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3785 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3786 		val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3787 	}
3788 	ELINK_DEBUG_P1(cb, "Ext phy AN advertize 0x%x\n", val);
3789 	elink_cl45_write(cb, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3790 }
3791 
3792 static void elink_pause_resolve(struct elink_vars *vars, u32 pause_result)
3793 {						/*  LD	    LP	 */
3794 	switch (pause_result) {			/* ASYM P ASYM P */
3795 	case 0xb:				/*   1  0   1  1 */
3796 		vars->flow_ctrl = ELINK_FLOW_CTRL_TX;
3797 		break;
3798 
3799 	case 0xe:				/*   1  1   1  0 */
3800 		vars->flow_ctrl = ELINK_FLOW_CTRL_RX;
3801 		break;
3802 
3803 	case 0x5:				/*   0  1   0  1 */
3804 	case 0x7:				/*   0  1   1  1 */
3805 	case 0xd:				/*   1  1   0  1 */
3806 	case 0xf:				/*   1  1   1  1 */
3807 		vars->flow_ctrl = ELINK_FLOW_CTRL_BOTH;
3808 		break;
3809 
3810 	default:
3811 		break;
3812 	}
3813 	if (pause_result & (1<<0))
3814 		vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3815 	if (pause_result & (1<<1))
3816 		vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3817 
3818 }
3819 
3820 static void elink_ext_phy_update_adv_fc(struct elink_phy *phy,
3821 					struct elink_params *params,
3822 					struct elink_vars *vars)
3823 {
3824 	u16 ld_pause;		/* local */
3825 	u16 lp_pause;		/* link partner */
3826 	u16 pause_result;
3827 	struct elink_dev *cb = params->cb;
3828 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3829 #ifndef EXCLUDE_BCM54618SE
3830 		elink_cl22_read(cb, phy, 0x4, &ld_pause);
3831 		elink_cl22_read(cb, phy, 0x5, &lp_pause);
3832 #endif
3833 	} else if (CHIP_IS_E3(params->chip_id) &&
3834 		ELINK_SINGLE_MEDIA_DIRECT(params)) {
3835 		u8 lane = elink_get_warpcore_lane(phy, params);
3836 		u16 gp_status, gp_mask;
3837 		elink_cl45_read(cb, phy,
3838 				MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3839 				&gp_status);
3840 		gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3841 			   MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3842 			lane;
3843 		if ((gp_status & gp_mask) == gp_mask) {
3844 			elink_cl45_read(cb, phy, MDIO_AN_DEVAD,
3845 					MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3846 			elink_cl45_read(cb, phy, MDIO_AN_DEVAD,
3847 					MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3848 		} else {
3849 			elink_cl45_read(cb, phy, MDIO_AN_DEVAD,
3850 					MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3851 			elink_cl45_read(cb, phy, MDIO_AN_DEVAD,
3852 					MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3853 			ld_pause = ((ld_pause &
3854 				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3855 				    << 3);
3856 			lp_pause = ((lp_pause &
3857 				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3858 				    << 3);
3859 		}
3860 	} else {
3861 		elink_cl45_read(cb, phy,
3862 				MDIO_AN_DEVAD,
3863 				MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3864 		elink_cl45_read(cb, phy,
3865 				MDIO_AN_DEVAD,
3866 				MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3867 	}
3868 	pause_result = (ld_pause &
3869 			MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3870 	pause_result |= (lp_pause &
3871 			 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3872 	ELINK_DEBUG_P1(cb, "Ext PHY pause result 0x%x\n", pause_result);
3873 	elink_pause_resolve(vars, pause_result);
3874 
3875 }
3876 
3877 static u8 elink_ext_phy_resolve_fc(struct elink_phy *phy,
3878 				   struct elink_params *params,
3879 				   struct elink_vars *vars)
3880 {
3881 	u8 ret = 0;
3882 	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
3883 	if (phy->req_flow_ctrl != ELINK_FLOW_CTRL_AUTO) {
3884 		/* Update the advertised flow-controled of LD/LP in AN */
3885 		if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
3886 			elink_ext_phy_update_adv_fc(phy, params, vars);
3887 		/* But set the flow-control result as the requested one */
3888 		vars->flow_ctrl = phy->req_flow_ctrl;
3889 	} else if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG)
3890 		vars->flow_ctrl = params->req_fc_auto_adv;
3891 	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3892 		ret = 1;
3893 		elink_ext_phy_update_adv_fc(phy, params, vars);
3894 	}
3895 	return ret;
3896 }
3897 #endif // EXCLUDE_NON_COMMON_INIT
3898 /******************************************************************/
3899 /*			Warpcore section			  */
3900 /******************************************************************/
3901 /* The init_internal_warpcore should mirror the xgxs,
3902  * i.e. reset the lane (if needed), set aer for the
3903  * init configuration, and set/clear SGMII flag. Internal
3904  * phy init is done purely in phy_init stage.
3905  */
3906 #define WC_TX_DRIVER(post2, idriver, ipre) \
3907 	((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
3908 	 (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
3909 	 (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))
3910 
3911 #define WC_TX_FIR(post, main, pre) \
3912 	((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
3913 	 (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
3914 	 (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
3915 
3916 #ifndef EXCLUDE_WARPCORE
3917 #ifndef EXCLUDE_NON_COMMON_INIT
3918 static void elink_update_link_attr(struct elink_params *params, u32 link_attr)
3919 {
3920 	struct elink_dev *cb = params->cb;
3921 
3922 	if (SHMEM2_HAS(cb, params->shmem2_base, link_attr_sync))
3923 		REG_WR(cb, params->shmem2_base +
3924 		       OFFSETOF(struct shmem2_region,
3925 				link_attr_sync[params->port]), link_attr);
3926 }
3927 
3928 static void elink_warpcore_enable_AN_KR2(struct elink_phy *phy,
3929 					 struct elink_params *params,
3930 					 struct elink_vars *vars)
3931 {
3932 	struct elink_dev *cb = params->cb;
3933 	u16 i;
3934 	static struct elink_reg_set reg_set[] = {
3935 		/* Step 1 - Program the TX/RX alignment markers */
3936 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
3937 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
3938 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
3939 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
3940 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
3941 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
3942 		/* Step 2 - Configure the NP registers */
3943 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
3944 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
3945 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
3946 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
3947 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
3948 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
3949 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
3950 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
3951 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
3952 	};
3953 	ELINK_DEBUG_P0(cb, "Enabling 20G-KR2\n");
3954 
3955 	elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
3956 				 MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
3957 
3958 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3959 		elink_cl45_write(cb, phy, reg_set[i].devad, reg_set[i].reg,
3960 				 reg_set[i].val);
3961 
3962 	/* Start KR2 work-around timer which handles BCM8073 link-parner */
3963 	params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
3964 	elink_update_link_attr(params, params->link_attr_sync);
3965 }
3966 
3967 static void elink_disable_kr2(struct elink_params *params,
3968 			      struct elink_vars *vars,
3969 			      struct elink_phy *phy)
3970 {
3971 	struct elink_dev *cb = params->cb;
3972 	int i;
3973 	static struct elink_reg_set reg_set[] = {
3974 		/* Step 1 - Program the TX/RX alignment markers */
3975 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
3976 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
3977 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
3978 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
3979 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
3980 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
3981 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
3982 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
3983 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
3984 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
3985 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
3986 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
3987 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
3988 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
3989 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
3990 	};
3991 	ELINK_DEBUG_P0(cb, "Disabling 20G-KR2\n");
3992 
3993 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3994 		elink_cl45_write(cb, phy, reg_set[i].devad, reg_set[i].reg,
3995 				 reg_set[i].val);
3996 	params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
3997 	elink_update_link_attr(params, params->link_attr_sync);
3998 
3999 	vars->check_kr2_recovery_cnt = ELINK_CHECK_KR2_RECOVERY_CNT;
4000 }
4001 
4002 static void elink_warpcore_set_lpi_passthrough(struct elink_phy *phy,
4003 					       struct elink_params *params)
4004 {
4005 	struct elink_dev *cb = params->cb;
4006 
4007 	ELINK_DEBUG_P0(cb, "Configure WC for LPI pass through\n");
4008 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4009 			 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
4010 	elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
4011 				 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
4012 }
4013 
4014 static void elink_warpcore_restart_AN_KR(struct elink_phy *phy,
4015 					 struct elink_params *params)
4016 {
4017 	/* Restart autoneg on the leading lane only */
4018 	struct elink_dev *cb = params->cb;
4019 	u16 lane = elink_get_warpcore_lane(phy, params);
4020 	CL22_WR_OVER_CL45(cb, phy, MDIO_REG_BANK_AER_BLOCK,
4021 			  MDIO_AER_BLOCK_AER_REG, lane);
4022 	elink_cl45_write(cb, phy, MDIO_AN_DEVAD,
4023 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4024 
4025 	/* Restore AER */
4026 	elink_set_aer_mmd(params, phy);
4027 }
4028 
4029 static void elink_warpcore_enable_AN_KR(struct elink_phy *phy,
4030 					struct elink_params *params,
4031 					struct elink_vars *vars) {
4032 	u16 lane, i, cl72_ctrl, an_adv = 0, val;
4033 	u32 wc_lane_config;
4034 	struct elink_dev *cb = params->cb;
4035 	static struct elink_reg_set reg_set[] = {
4036 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
4037 		{MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
4038 		{MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
4039 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
4040 		/* Disable Autoneg: re-enable it after adv is done. */
4041 		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
4042 		{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
4043 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
4044 	};
4045 	ELINK_DEBUG_P0(cb, "Enable Auto Negotiation for KR\n");
4046 	/* Set to default registers that may be overriden by 10G force */
4047 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
4048 		elink_cl45_write(cb, phy, reg_set[i].devad, reg_set[i].reg,
4049 				 reg_set[i].val);
4050 
4051 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
4052 			MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
4053 	cl72_ctrl &= 0x08ff;
4054 	cl72_ctrl |= 0x3800;
4055 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4056 			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
4057 
4058 	/* Check adding advertisement for 1G KX */
4059 	if (((vars->line_speed == ELINK_SPEED_AUTO_NEG) &&
4060 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
4061 	    (vars->line_speed == ELINK_SPEED_1000)) {
4062 		u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
4063 		an_adv |= (1<<5);
4064 
4065 		/* Enable CL37 1G Parallel Detect */
4066 		elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD, addr, 0x1);
4067 		ELINK_DEBUG_P0(cb, "Advertize 1G\n");
4068 	}
4069 	if (((vars->line_speed == ELINK_SPEED_AUTO_NEG) &&
4070 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
4071 	    (vars->line_speed ==  ELINK_SPEED_10000)) {
4072 		/* Check adding advertisement for 10G KR */
4073 		an_adv |= (1<<7);
4074 		/* Enable 10G Parallel Detect */
4075 		CL22_WR_OVER_CL45(cb, phy, MDIO_REG_BANK_AER_BLOCK,
4076 				  MDIO_AER_BLOCK_AER_REG, 0);
4077 
4078 		elink_cl45_write(cb, phy, MDIO_AN_DEVAD,
4079 				 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
4080 		elink_set_aer_mmd(params, phy);
4081 		ELINK_DEBUG_P0(cb, "Advertize 10G\n");
4082 	}
4083 
4084 	/* Set Transmit PMD settings */
4085 	lane = elink_get_warpcore_lane(phy, params);
4086 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4087 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4088 			 WC_TX_DRIVER(0x02, 0x06, 0x09));
4089 	/* Configure the next lane if dual mode */
4090 	if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
4091 		elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4092 				 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
4093 				 WC_TX_DRIVER(0x02, 0x06, 0x09));
4094 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4095 			 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
4096 			 0x03f0);
4097 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4098 			 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
4099 			 0x03f0);
4100 
4101 	/* Advertised speeds */
4102 	elink_cl45_write(cb, phy, MDIO_AN_DEVAD,
4103 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
4104 
4105 	/* Advertised and set FEC (Forward Error Correction) */
4106 	elink_cl45_write(cb, phy, MDIO_AN_DEVAD,
4107 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
4108 			 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
4109 			  MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
4110 
4111 	/* Enable CL37 BAM */
4112 	if (REG_RD(cb, params->shmem_base +
4113 		   OFFSETOF(struct shmem_region, dev_info.
4114 			    port_hw_config[params->port].default_cfg)) &
4115 	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
4116 		elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
4117 					 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
4118 					 1);
4119 		ELINK_DEBUG_P0(cb, "Enable CL37 BAM on KR\n");
4120 	}
4121 
4122 	/* Advertise pause */
4123 	elink_ext_phy_set_pause(params, phy, vars);
4124 	vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
4125 	elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
4126 				 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
4127 
4128 	/* Over 1G - AN local device user page 1 */
4129 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4130 			MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
4131 
4132 	if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
4133 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
4134 	    (phy->req_line_speed == ELINK_SPEED_20000)) {
4135 
4136 		CL22_WR_OVER_CL45(cb, phy, MDIO_REG_BANK_AER_BLOCK,
4137 				  MDIO_AER_BLOCK_AER_REG, lane);
4138 
4139 		elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
4140 					 MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
4141 					 (1<<11));
4142 
4143 		elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4144 				 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
4145 		elink_set_aer_mmd(params, phy);
4146 
4147 		elink_warpcore_enable_AN_KR2(phy, params, vars);
4148 	} else {
4149 		/* Enable Auto-Detect to support 1G over CL37 as well */
4150 		elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4151 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
4152 		wc_lane_config = REG_RD(cb, params->shmem_base +
4153 					OFFSETOF(struct shmem_region, dev_info.
4154 					shared_hw_config.wc_lane_config));
4155 		elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
4156 				MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
4157 		/* Force cl48 sync_status LOW to avoid getting stuck in CL73
4158 		 * parallel-detect loop when CL73 and CL37 are enabled.
4159 		 */
4160 		val |= 1 << 11;
4161 
4162 		/* Restore Polarity settings in case it was run over by
4163 		 * previous link owner
4164 		 */
4165 		if (wc_lane_config &
4166 		    (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
4167 			val |= 3 << 2;
4168 		else
4169 			val &= ~(3 << 2);
4170 		elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4171 				 MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
4172 				 val);
4173 
4174 		elink_disable_kr2(params, vars, phy);
4175 	}
4176 
4177 	/* Enable Autoneg: only on the main lane */
4178 	elink_warpcore_restart_AN_KR(phy, params);
4179 }
4180 
4181 static void elink_warpcore_set_10G_KR(struct elink_phy *phy,
4182 				      struct elink_params *params,
4183 				      struct elink_vars *vars)
4184 {
4185 	struct elink_dev *cb = params->cb;
4186 	u16 val16, i, lane;
4187 	static struct elink_reg_set reg_set[] = {
4188 		/* Disable Autoneg */
4189 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
4190 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
4191 			0x3f00},
4192 		{MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
4193 		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
4194 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
4195 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
4196 		/* Leave cl72 training enable, needed for KR */
4197 		{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
4198 	};
4199 
4200 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
4201 		elink_cl45_write(cb, phy, reg_set[i].devad, reg_set[i].reg,
4202 				 reg_set[i].val);
4203 
4204 	lane = elink_get_warpcore_lane(phy, params);
4205 	/* Global registers */
4206 	CL22_WR_OVER_CL45(cb, phy, MDIO_REG_BANK_AER_BLOCK,
4207 			  MDIO_AER_BLOCK_AER_REG, 0);
4208 	/* Disable CL36 PCS Tx */
4209 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
4210 			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4211 	val16 &= ~(0x0011 << lane);
4212 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4213 			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4214 
4215 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
4216 			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4217 	val16 |= (0x0303 << (lane << 1));
4218 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4219 			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4220 	/* Restore AER */
4221 	elink_set_aer_mmd(params, phy);
4222 	/* Set speed via PMA/PMD register */
4223 	elink_cl45_write(cb, phy, MDIO_PMA_DEVAD,
4224 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
4225 
4226 	elink_cl45_write(cb, phy, MDIO_PMA_DEVAD,
4227 			 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
4228 
4229 	/* Enable encoded forced speed */
4230 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4231 			 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
4232 
4233 	/* Turn TX scramble payload only the 64/66 scrambler */
4234 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4235 			 MDIO_WC_REG_TX66_CONTROL, 0x9);
4236 
4237 	/* Turn RX scramble payload only the 64/66 scrambler */
4238 	elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
4239 				 MDIO_WC_REG_RX66_CONTROL, 0xF9);
4240 
4241 	/* Set and clear loopback to cause a reset to 64/66 decoder */
4242 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4243 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
4244 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4245 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
4246 
4247 }
4248 
4249 static void elink_warpcore_set_10G_XFI(struct elink_phy *phy,
4250 				       struct elink_params *params,
4251 				       u8 is_xfi)
4252 {
4253 	struct elink_dev *cb = params->cb;
4254 	u16 misc1_val, tap_val, tx_driver_val, lane, val;
4255 	u32 cfg_tap_val, tx_drv_brdct, tx_equal;
4256 
4257 	/* Hold rxSeqStart */
4258 	elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
4259 				 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
4260 
4261 	/* Hold tx_fifo_reset */
4262 	elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
4263 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
4264 
4265 	/* Disable CL73 AN */
4266 	elink_cl45_write(cb, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
4267 
4268 	/* Disable 100FX Enable and Auto-Detect */
4269 	elink_cl45_read_and_write(cb, phy, MDIO_WC_DEVAD,
4270 				  MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
4271 
4272 	/* Disable 100FX Idle detect */
4273 	elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
4274 				 MDIO_WC_REG_FX100_CTRL3, 0x0080);
4275 
4276 	/* Set Block address to Remote PHY & Clear forced_speed[5] */
4277 	elink_cl45_read_and_write(cb, phy, MDIO_WC_DEVAD,
4278 				  MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
4279 
4280 	/* Turn off auto-detect & fiber mode */
4281 	elink_cl45_read_and_write(cb, phy, MDIO_WC_DEVAD,
4282 				  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4283 				  0xFFEE);
4284 
4285 	/* Set filter_force_link, disable_false_link and parallel_detect */
4286 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
4287 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
4288 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4289 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4290 			 ((val | 0x0006) & 0xFFFE));
4291 
4292 	/* Set XFI / SFI */
4293 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
4294 			MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
4295 
4296 	misc1_val &= ~(0x1f);
4297 
4298 	if (is_xfi) {
4299 		misc1_val |= 0x5;
4300 		tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
4301 		tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03);
4302 	} else {
4303 		cfg_tap_val = REG_RD(cb, params->shmem_base +
4304 				     OFFSETOF(struct shmem_region, dev_info.
4305 					      port_hw_config[params->port].
4306 					      sfi_tap_values));
4307 
4308 		tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
4309 
4310 		tx_drv_brdct = (cfg_tap_val &
4311 				PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
4312 			       PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
4313 
4314 		misc1_val |= 0x9;
4315 
4316 		/* TAP values are controlled by nvram, if value there isn't 0 */
4317 		if (tx_equal)
4318 			tap_val = (u16)tx_equal;
4319 		else
4320 			tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
4321 
4322 		if (tx_drv_brdct)
4323 			tx_driver_val = WC_TX_DRIVER(0x03, (u16)tx_drv_brdct,
4324 						     0x06);
4325 		else
4326 			tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06);
4327 	}
4328 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4329 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
4330 
4331 	/* Set Transmit PMD settings */
4332 	lane = elink_get_warpcore_lane(phy, params);
4333 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4334 			 MDIO_WC_REG_TX_FIR_TAP,
4335 			 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4336 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4337 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4338 			 tx_driver_val);
4339 
4340 	/* Enable fiber mode, enable and invert sig_det */
4341 	elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
4342 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
4343 
4344 	/* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
4345 	elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
4346 				 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
4347 
4348 	elink_warpcore_set_lpi_passthrough(phy, params);
4349 
4350 	/* 10G XFI Full Duplex */
4351 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4352 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4353 
4354 	/* Release tx_fifo_reset */
4355 	elink_cl45_read_and_write(cb, phy, MDIO_WC_DEVAD,
4356 				  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4357 				  0xFFFE);
4358 	/* Release rxSeqStart */
4359 	elink_cl45_read_and_write(cb, phy, MDIO_WC_DEVAD,
4360 				  MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
4361 }
4362 #endif //EXCLUDE_NON_COMMON_INIT
4363 
4364 #ifndef ELINK_AUX_POWER
4365 static void elink_warpcore_set_20G_force_KR2(struct elink_phy *phy,
4366 					     struct elink_params *params)
4367 {
4368 	u16 val;
4369 	struct elink_dev *cb = params->cb;
4370 	/* Set global registers, so set AER lane to 0 */
4371 	CL22_WR_OVER_CL45(cb, phy, MDIO_REG_BANK_AER_BLOCK,
4372 			  MDIO_AER_BLOCK_AER_REG, 0);
4373 
4374 	/* Disable sequencer */
4375 	elink_cl45_read_and_write(cb, phy, MDIO_WC_DEVAD,
4376 				  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
4377 
4378 	elink_set_aer_mmd(params, phy);
4379 
4380 	elink_cl45_read_and_write(cb, phy, MDIO_PMA_DEVAD,
4381 				  MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
4382 	elink_cl45_write(cb, phy, MDIO_AN_DEVAD,
4383 			 MDIO_AN_REG_CTRL, 0);
4384 	/* Turn off CL73 */
4385 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
4386 			MDIO_WC_REG_CL73_USERB0_CTRL, &val);
4387 	val &= ~(1<<5);
4388 	val |= (1<<6);
4389 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4390 			 MDIO_WC_REG_CL73_USERB0_CTRL, val);
4391 
4392 	/* Set 20G KR2 force speed */
4393 	elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
4394 				 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
4395 
4396 	elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
4397 				 MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
4398 
4399 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
4400 			MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
4401 	val &= ~(3<<14);
4402 	val |= (1<<15);
4403 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4404 			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
4405 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4406 			 MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
4407 
4408 	/* Enable sequencer (over lane 0) */
4409 	CL22_WR_OVER_CL45(cb, phy, MDIO_REG_BANK_AER_BLOCK,
4410 			  MDIO_AER_BLOCK_AER_REG, 0);
4411 
4412 	elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
4413 				 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
4414 
4415 	elink_set_aer_mmd(params, phy);
4416 }
4417 #endif
4418 
4419 #ifndef EXCLUDE_COMMON_INIT
4420 static void elink_warpcore_set_20G_DXGXS(struct elink_dev *cb,
4421 					 struct elink_phy *phy,
4422 					 u16 lane)
4423 {
4424 	/* Rx0 anaRxControl1G */
4425 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4426 			 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4427 
4428 	/* Rx2 anaRxControl1G */
4429 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4430 			 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4431 
4432 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4433 			 MDIO_WC_REG_RX66_SCW0, 0xE070);
4434 
4435 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4436 			 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4437 
4438 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4439 			 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4440 
4441 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4442 			 MDIO_WC_REG_RX66_SCW3, 0x8090);
4443 
4444 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4445 			 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4446 
4447 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4448 			 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4449 
4450 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4451 			 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4452 
4453 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4454 			 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4455 
4456 	/* Serdes Digital Misc1 */
4457 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4458 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4459 
4460 	/* Serdes Digital4 Misc3 */
4461 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4462 			 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4463 
4464 	/* Set Transmit PMD settings */
4465 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4466 			 MDIO_WC_REG_TX_FIR_TAP,
4467 			 (WC_TX_FIR(0x12, 0x2d, 0x00) |
4468 			  MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4469 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4470 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4471 			 WC_TX_DRIVER(0x02, 0x02, 0x02));
4472 }
4473 #endif
4474 
4475 #ifndef EXCLUDE_NON_COMMON_INIT
4476 static void elink_warpcore_set_sgmii_speed(struct elink_phy *phy,
4477 					   struct elink_params *params,
4478 					   u8 fiber_mode,
4479 					   u8 always_autoneg)
4480 {
4481 	struct elink_dev *cb = params->cb;
4482 	u16 val16, digctrl_kx1, digctrl_kx2;
4483 
4484 	/* Clear XFI clock comp in non-10G single lane mode. */
4485 	elink_cl45_read_and_write(cb, phy, MDIO_WC_DEVAD,
4486 				  MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
4487 
4488 	elink_warpcore_set_lpi_passthrough(phy, params);
4489 
4490 	if (always_autoneg || phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
4491 		/* SGMII Autoneg */
4492 		elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
4493 					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4494 					 0x1000);
4495 		ELINK_DEBUG_P0(cb, "set SGMII AUTONEG\n");
4496 	} else {
4497 		elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
4498 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4499 		val16 &= 0xcebf;
4500 		switch (phy->req_line_speed) {
4501 		case ELINK_SPEED_10:
4502 			break;
4503 		case ELINK_SPEED_100:
4504 			val16 |= 0x2000;
4505 			break;
4506 		case ELINK_SPEED_1000:
4507 			val16 |= 0x0040;
4508 			break;
4509 		default:
4510 			ELINK_DEBUG_P1(cb,
4511 			   "Speed not supported: 0x%x\n", phy->req_line_speed);
4512 			return;
4513 		}
4514 
4515 		if (phy->req_duplex == DUPLEX_FULL)
4516 			val16 |= 0x0100;
4517 
4518 		elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4519 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4520 
4521 		ELINK_DEBUG_P1(cb, "set SGMII force speed %d\n",
4522 			       phy->req_line_speed);
4523 		elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
4524 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4525 		ELINK_DEBUG_P1(cb, "  (readback) %x\n", val16);
4526 	}
4527 
4528 	/* SGMII Slave mode and disable signal detect */
4529 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
4530 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4531 	if (fiber_mode)
4532 		digctrl_kx1 = 1;
4533 	else
4534 		digctrl_kx1 &= 0xff4a;
4535 
4536 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4537 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4538 			digctrl_kx1);
4539 
4540 	/* Turn off parallel detect */
4541 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
4542 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4543 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4544 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4545 			(digctrl_kx2 & ~(1<<2)));
4546 
4547 	/* Re-enable parallel detect */
4548 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4549 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4550 			(digctrl_kx2 | (1<<2)));
4551 
4552 	/* Enable autodet */
4553 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4554 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4555 			(digctrl_kx1 | 0x10));
4556 }
4557 
4558 #endif //EXCLUDE_NON_COMMON_INIT
4559 
4560 static void elink_warpcore_reset_lane(struct elink_dev *cb,
4561 				      struct elink_phy *phy,
4562 				      u8 reset)
4563 {
4564 	u16 val;
4565 	/* Take lane out of reset after configuration is finished */
4566 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
4567 			MDIO_WC_REG_DIGITAL5_MISC6, &val);
4568 	if (reset)
4569 		val |= 0xC000;
4570 	else
4571 		val &= 0x3FFF;
4572 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4573 			 MDIO_WC_REG_DIGITAL5_MISC6, val);
4574 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
4575 			 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4576 }
4577 
4578 #ifndef EXCLUDE_NON_COMMON_INIT
4579 /* Clear SFI/XFI link settings registers */
4580 static void elink_warpcore_clear_regs(struct elink_phy *phy,
4581 				      struct elink_params *params,
4582 				      u16 lane)
4583 {
4584 	struct elink_dev *cb = params->cb;
4585 	u16 i;
4586 	static struct elink_reg_set wc_regs[] = {
4587 		{MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4588 		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4589 		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4590 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4591 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4592 			0x0195},
4593 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4594 			0x0007},
4595 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4596 			0x0002},
4597 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4598 		{MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4599 		{MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4600 		{MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4601 	};
4602 	/* Set XFI clock comp as default. */
4603 	elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
4604 				 MDIO_WC_REG_RX66_CONTROL, (3<<13));
4605 
4606 	for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
4607 		elink_cl45_write(cb, phy, wc_regs[i].devad, wc_regs[i].reg,
4608 				 wc_regs[i].val);
4609 
4610 	lane = elink_get_warpcore_lane(phy, params);
4611 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4612 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4613 
4614 }
4615 
4616 static elink_status_t elink_get_mod_abs_int_cfg(struct elink_dev *cb,
4617 						u32 chip_id,
4618 						u32 shmem_base, u8 port,
4619 						u8 *gpio_num, u8 *gpio_port)
4620 {
4621 	u32 cfg_pin;
4622 	*gpio_num = 0;
4623 	*gpio_port = 0;
4624 	if (CHIP_IS_E3(chip_id)) {
4625 		cfg_pin = (REG_RD(cb, shmem_base +
4626 				OFFSETOF(struct shmem_region,
4627 				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4628 				PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4629 				PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4630 
4631 		/* Should not happen. This function called upon interrupt
4632 		 * triggered by GPIO ( since EPIO can only generate interrupts
4633 		 * to MCP).
4634 		 * So if this function was called and none of the GPIOs was set,
4635 		 * it means the shit hit the fan.
4636 		 */
4637 		if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4638 		    (cfg_pin > PIN_CFG_GPIO3_P1)) {
4639 			ELINK_DEBUG_P1(cb,
4640 			   "No cfg pin %x for module detect indication\n",
4641 			   cfg_pin);
4642 			return ELINK_STATUS_ERROR;
4643 		}
4644 
4645 		*gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4646 		*gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4647 	} else {
4648 		*gpio_num = MISC_REGISTERS_GPIO_3;
4649 		*gpio_port = port;
4650 	}
4651 
4652 	return ELINK_STATUS_OK;
4653 }
4654 
4655 static int elink_is_sfp_module_plugged(struct elink_phy *phy,
4656 				       struct elink_params *params)
4657 {
4658 	struct elink_dev *cb = params->cb;
4659 	u8 gpio_num, gpio_port;
4660 	u32 gpio_val;
4661 	if (elink_get_mod_abs_int_cfg(cb, params->chip_id,
4662 				      params->shmem_base, params->port,
4663 				      &gpio_num, &gpio_port) != ELINK_STATUS_OK)
4664 		return 0;
4665 	gpio_val = ELINK_GET_GPIO(cb, gpio_num, gpio_port);
4666 
4667 	/* Call the handling function in case module is detected */
4668 	if (gpio_val == 0)
4669 		return 1;
4670 	else
4671 		return 0;
4672 }
4673 int elink_warpcore_get_sigdet(struct elink_phy *phy,
4674 			      struct elink_params *params)
4675 {
4676 	u16 gp2_status_reg0, lane;
4677 	struct elink_dev *cb = params->cb;
4678 
4679 	lane = elink_get_warpcore_lane(phy, params);
4680 
4681 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4682 				 &gp2_status_reg0);
4683 
4684 	return (gp2_status_reg0 >> (8+lane)) & 0x1;
4685 }
4686 
4687 #ifndef ELINK_AUX_POWER
4688 static void elink_warpcore_config_runtime(struct elink_phy *phy,
4689 					  struct elink_params *params,
4690 					  struct elink_vars *vars)
4691 {
4692 	struct elink_dev *cb = params->cb;
4693 	u32 serdes_net_if;
4694 	u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4695 
4696 	vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4697 
4698 	if (!vars->turn_to_run_wc_rt)
4699 		return;
4700 
4701 	if (vars->rx_tx_asic_rst) {
4702 		u16 lane = elink_get_warpcore_lane(phy, params);
4703 		serdes_net_if = (REG_RD(cb, params->shmem_base +
4704 				OFFSETOF(struct shmem_region, dev_info.
4705 				port_hw_config[params->port].default_cfg)) &
4706 				PORT_HW_CFG_NET_SERDES_IF_MASK);
4707 
4708 		switch (serdes_net_if) {
4709 		case PORT_HW_CFG_NET_SERDES_IF_KR:
4710 			/* Do we get link yet? */
4711 			elink_cl45_read(cb, phy, MDIO_WC_DEVAD, 0x81d1,
4712 					&gp_status1);
4713 			lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4714 				/*10G KR*/
4715 			lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4716 
4717 			if (lnkup_kr || lnkup) {
4718 				vars->rx_tx_asic_rst = 0;
4719 			} else {
4720 				/* Reset the lane to see if link comes up.*/
4721 				elink_warpcore_reset_lane(cb, phy, 1);
4722 				elink_warpcore_reset_lane(cb, phy, 0);
4723 
4724 				/* Restart Autoneg */
4725 				elink_cl45_write(cb, phy, MDIO_AN_DEVAD,
4726 					MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4727 
4728 				vars->rx_tx_asic_rst--;
4729 				ELINK_DEBUG_P1(cb, "0x%x retry left\n",
4730 				vars->rx_tx_asic_rst);
4731 			}
4732 			break;
4733 
4734 		default:
4735 			break;
4736 		}
4737 
4738 	} /*params->rx_tx_asic_rst*/
4739 
4740 }
4741 #endif
4742 static void elink_warpcore_config_sfi(struct elink_phy *phy,
4743 				      struct elink_params *params)
4744 {
4745 	u16 lane = elink_get_warpcore_lane(phy, params);
4746 #ifdef ELINK_DEBUG
4747 	struct elink_dev *cb = params->cb;
4748 #endif
4749 	elink_warpcore_clear_regs(phy, params, lane);
4750 	if ((params->req_line_speed[ELINK_LINK_CONFIG_IDX(ELINK_INT_PHY)] ==
4751 	     ELINK_SPEED_10000) &&
4752 	    (phy->media_type != ELINK_ETH_PHY_SFP_1G_FIBER)) {
4753 		ELINK_DEBUG_P0(cb, "Setting 10G SFI\n");
4754 		elink_warpcore_set_10G_XFI(phy, params, 0);
4755 	} else {
4756 		ELINK_DEBUG_P0(cb, "Setting 1G Fiber\n");
4757 		elink_warpcore_set_sgmii_speed(phy, params, 1, 0);
4758 	}
4759 }
4760 
4761 static void elink_sfp_e3_set_transmitter(struct elink_params *params,
4762 					 struct elink_phy *phy,
4763 					 u8 tx_en)
4764 {
4765 	struct elink_dev *cb = params->cb;
4766 	u32 cfg_pin;
4767 	u8 port = params->port;
4768 
4769 	cfg_pin = REG_RD(cb, params->shmem_base +
4770 			 OFFSETOF(struct shmem_region,
4771 				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4772 		PORT_HW_CFG_E3_TX_LASER_MASK;
4773 	/* Set the !tx_en since this pin is DISABLE_TX_LASER */
4774 	ELINK_DEBUG_P1(cb, "Setting WC TX to %d\n", tx_en);
4775 
4776 	/* For 20G, the expected pin to be used is 3 pins after the current */
4777 	elink_set_cfg_pin(cb, cfg_pin, tx_en ^ 1);
4778 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4779 		elink_set_cfg_pin(cb, cfg_pin + 3, tx_en ^ 1);
4780 }
4781 
4782 static elink_status_t
4783 elink_warpcore_config_init(struct elink_phy *phy, struct elink_params *params,
4784     struct elink_vars *vars)
4785 {
4786 	struct elink_dev *cb = params->cb;
4787 	u32 serdes_net_if;
4788 	u8 fiber_mode;
4789 	u16 lane = elink_get_warpcore_lane(phy, params);
4790 	serdes_net_if = (REG_RD(cb, params->shmem_base +
4791 			 OFFSETOF(struct shmem_region, dev_info.
4792 				  port_hw_config[params->port].default_cfg)) &
4793 			 PORT_HW_CFG_NET_SERDES_IF_MASK);
4794 	ELINK_DEBUG_P2(cb, "Begin Warpcore init, link_speed %d, "
4795 			   "serdes_net_if = 0x%x\n",
4796 		       vars->line_speed, serdes_net_if);
4797 	elink_set_aer_mmd(params, phy);
4798 	elink_warpcore_reset_lane(cb, phy, 1);
4799 	vars->phy_flags |= PHY_XGXS_FLAG;
4800 	if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4801 	    (phy->req_line_speed &&
4802 	     ((phy->req_line_speed == ELINK_SPEED_100) ||
4803 	      (phy->req_line_speed == ELINK_SPEED_10)))) {
4804 		vars->phy_flags |= PHY_SGMII_FLAG;
4805 		ELINK_DEBUG_P0(cb, "Setting SGMII mode\n");
4806 		elink_warpcore_clear_regs(phy, params, lane);
4807 		elink_warpcore_set_sgmii_speed(phy, params, 0, 1);
4808 	} else {
4809 		switch (serdes_net_if) {
4810 		case PORT_HW_CFG_NET_SERDES_IF_KR:
4811 			/* Enable KR Auto Neg */
4812 			if (params->loopback_mode != ELINK_LOOPBACK_EXT)
4813 				elink_warpcore_enable_AN_KR(phy, params, vars);
4814 			else {
4815 				ELINK_DEBUG_P0(cb, "Setting KR 10G-Force\n");
4816 				elink_warpcore_set_10G_KR(phy, params, vars);
4817 			}
4818 			break;
4819 
4820 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
4821 			elink_warpcore_clear_regs(phy, params, lane);
4822 			if (vars->line_speed == ELINK_SPEED_10000) {
4823 				ELINK_DEBUG_P0(cb, "Setting 10G XFI\n");
4824 				elink_warpcore_set_10G_XFI(phy, params, 1);
4825 			} else {
4826 				if (ELINK_SINGLE_MEDIA_DIRECT(params)) {
4827 					ELINK_DEBUG_P0(cb, "1G Fiber\n");
4828 					fiber_mode = 1;
4829 				} else {
4830 					ELINK_DEBUG_P0(cb, "10/100/1G SGMII\n");
4831 					fiber_mode = 0;
4832 				}
4833 				elink_warpcore_set_sgmii_speed(phy,
4834 								params,
4835 								fiber_mode,
4836 								0);
4837 			}
4838 
4839 			break;
4840 
4841 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
4842 			/* Issue Module detection if module is plugged, or
4843 			 * enabled transmitter to avoid current leakage in case
4844 			 * no module is connected
4845 			 */
4846 			if ((params->loopback_mode == ELINK_LOOPBACK_NONE) ||
4847 			    (params->loopback_mode == ELINK_LOOPBACK_EXT)) {
4848 				if (elink_is_sfp_module_plugged(phy, params))
4849 					elink_sfp_module_detection(phy, params);
4850 				else
4851 					elink_sfp_e3_set_transmitter(params,
4852 								     phy, 1);
4853 			}
4854 
4855 			elink_warpcore_config_sfi(phy, params);
4856 			break;
4857 
4858 #ifndef ELINK_AUX_POWER
4859 		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4860 			if (vars->line_speed != ELINK_SPEED_20000) {
4861 				ELINK_DEBUG_P0(cb, "Speed not supported yet\n");
4862 				return (ELINK_STATUS_ERROR);
4863 			}
4864 			ELINK_DEBUG_P0(cb, "Setting 20G DXGXS\n");
4865 			elink_warpcore_set_20G_DXGXS(cb, phy, lane);
4866 			/* Issue Module detection */
4867 
4868 			elink_sfp_module_detection(phy, params);
4869 			break;
4870 #endif
4871 		case PORT_HW_CFG_NET_SERDES_IF_KR2:
4872 			if (!params->loopback_mode) {
4873 				elink_warpcore_enable_AN_KR(phy, params, vars);
4874 			} else {
4875 #ifndef ELINK_AUX_POWER
4876 				ELINK_DEBUG_P0(cb, "Setting KR 20G-Force\n");
4877 				elink_warpcore_set_20G_force_KR2(phy, params);
4878 #endif
4879 			}
4880 			break;
4881 		default:
4882 			ELINK_DEBUG_P1(cb,
4883 			   "Unsupported Serdes Net Interface 0x%x\n",
4884 			   serdes_net_if);
4885 			return (ELINK_STATUS_ERROR);
4886 		}
4887 	}
4888 
4889 	/* Take lane out of reset after configuration is finished */
4890 	elink_warpcore_reset_lane(cb, phy, 0);
4891 	ELINK_DEBUG_P0(cb, "Exit config init\n");
4892 	return (ELINK_STATUS_OK);
4893 }
4894 
4895 static void elink_warpcore_link_reset(struct elink_phy *phy,
4896 				      struct elink_params *params)
4897 {
4898 #ifndef EXCLUDE_LINK_RESET
4899 	struct elink_dev *cb = params->cb;
4900 	u16 val16, lane;
4901 	elink_sfp_e3_set_transmitter(params, phy, 0);
4902 	elink_set_mdio_emac_per_phy(cb, params);
4903 	elink_set_aer_mmd(params, phy);
4904 	/* Global register */
4905 	elink_warpcore_reset_lane(cb, phy, 1);
4906 
4907 	/* Clear loopback settings (if any) */
4908 	/* 10G & 20G */
4909 	elink_cl45_read_and_write(cb, phy, MDIO_WC_DEVAD,
4910 				  MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
4911 
4912 	elink_cl45_read_and_write(cb, phy, MDIO_WC_DEVAD,
4913 				  MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
4914 
4915 	/* Update those 1-copy registers */
4916 	CL22_WR_OVER_CL45(cb, phy, MDIO_REG_BANK_AER_BLOCK,
4917 			  MDIO_AER_BLOCK_AER_REG, 0);
4918 	/* Enable 1G MDIO (1-copy) */
4919 	elink_cl45_read_and_write(cb, phy, MDIO_WC_DEVAD,
4920 				  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4921 				  ~0x10);
4922 
4923 	elink_cl45_read_and_write(cb, phy, MDIO_WC_DEVAD,
4924 				  MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
4925 	lane = elink_get_warpcore_lane(phy, params);
4926 	/* Disable CL36 PCS Tx */
4927 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
4928 			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4929 	val16 |= (0x11 << lane);
4930 	if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
4931 		val16 |= (0x22 << lane);
4932 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4933 			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4934 
4935 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
4936 			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4937 	val16 &= ~(0x0303 << (lane << 1));
4938 	val16 |= (0x0101 << (lane << 1));
4939 	if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE) {
4940 		val16 &= ~(0x0c0c << (lane << 1));
4941 		val16 |= (0x0404 << (lane << 1));
4942 	}
4943 
4944 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4945 			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4946 	/* Restore AER */
4947 	elink_set_aer_mmd(params, phy);
4948 #endif
4949 
4950 }
4951 
4952 static void elink_set_warpcore_loopback(struct elink_phy *phy,
4953 					struct elink_params *params)
4954 {
4955 #ifdef ELINK_INCLUDE_LOOPBACK
4956 	struct elink_dev *cb = params->cb;
4957 	u16 val16;
4958 	u32 lane;
4959 	ELINK_DEBUG_P2(cb, "Setting Warpcore loopback type %x, speed %d\n",
4960 		       params->loopback_mode, phy->req_line_speed);
4961 
4962 	if (phy->req_line_speed < ELINK_SPEED_10000 ||
4963 	    phy->supported & ELINK_SUPPORTED_20000baseKR2_Full) {
4964 		/* 10/100/1000/20G-KR2 */
4965 
4966 		/* Update those 1-copy registers */
4967 		CL22_WR_OVER_CL45(cb, phy, MDIO_REG_BANK_AER_BLOCK,
4968 				  MDIO_AER_BLOCK_AER_REG, 0);
4969 		/* Enable 1G MDIO (1-copy) */
4970 		elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
4971 					 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4972 					 0x10);
4973 		/* Set 1G loopback based on lane (1-copy) */
4974 		lane = elink_get_warpcore_lane(phy, params);
4975 		elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
4976 				MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4977 		val16 |= (1<<lane);
4978 		if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
4979 			val16 |= (2<<lane);
4980 		elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
4981 				 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4982 				 val16);
4983 
4984 		/* Switch back to 4-copy registers */
4985 		elink_set_aer_mmd(params, phy);
4986 	} else {
4987 		/* 10G / 20G-DXGXS */
4988 		elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
4989 					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4990 					 0x4000);
4991 		elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
4992 					 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
4993 	}
4994 #endif // #ifdef ELINK_INCLUDE_LOOPBACK
4995 }
4996 #endif // EXCLUDE_NON_COMMON_INIT
4997 #endif // #ifndef EXCLUDE_WARPCORE
4998 
4999 #ifdef INCLUDE_WARPCORE_UC_LOAD
5000 static void elink_warpcore_powerdown_secondport_lanes(struct elink_dev *cb,
5001                                                       struct elink_phy *phy)
5002 {
5003 	u16 path_swap_ovr, path_swap, i;
5004 	u8 power_down_lanes[4];
5005 
5006 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
5007 			 MDIO_WC_REG_XGXSBLK1_LANETEST0, 0);
5008 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
5009 			 MDIO_WC_REG_XGXS_X2_CONTROL2, 0x29FB);
5010 
5011 	/* Figure out path swap value */
5012 	path_swap_ovr = REG_RD(cb, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
5013 	if (path_swap_ovr & 0x1)
5014 		path_swap = (path_swap_ovr & 0x2);
5015 	else
5016 		path_swap = REG_RD(cb, MISC_REG_TWO_PORT_PATH_SWAP);
5017 
5018 	/* Find which lanes to power down according to path swap value */
5019 	if (path_swap) {
5020 		power_down_lanes[0] = 1;
5021 		power_down_lanes[1] = 1;
5022 		power_down_lanes[2] = 0;
5023 		power_down_lanes[3] = 1;
5024 	} else {
5025 		power_down_lanes[0] = 0;
5026 		power_down_lanes[1] = 1;
5027 		power_down_lanes[2] = 1;
5028 		power_down_lanes[3] = 1;
5029 	}
5030 
5031 	/* Go through lanes which should be powered down */
5032 	for (i = 0; i < 4; i++) {
5033 		if (power_down_lanes[i]) {
5034 			elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
5035 						 MDIO_WC_REG_XGXSBLK1_LANECTRL3,
5036 						 (1 << i) | (1 << (4+i)) |
5037 						 (1 << 11));
5038 
5039 			elink_cl45_read_and_write(
5040 				cb, phy, MDIO_WC_DEVAD,
5041 				MDIO_WC_REG_XGXSBLK1_LANECTRL0,
5042 				~((u16)((1 << i) | (1 << (4+i)))));
5043 		}
5044 	}
5045 }
5046 #endif //INCLUDE_WARPCORE_UC_LOAD
5047 
5048 #ifdef INCLUDE_WARPCORE_UC_LOAD
5049 /**
5050  * elink_warpcore_sequencer
5051  *
5052  * @param cb
5053  * @param phy
5054  * @param enable - sequencer
5055  *
5056  * @return u32
5057  *
5058  * Before starting any of the specific speed/protocol flow,
5059  * there's need disable the sequencer and once all
5060  * configurations are made the sequencer will be enabled again.
5061  * That way it is guaranteed that improper link won't be
5062  * established during the init phase.
5063  */
5064 static void elink_warpcore_sequencer(struct elink_dev *cb,
5065 				     struct elink_phy *phy,
5066 				     u8 enable){
5067 
5068 	u16 val16;
5069 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
5070 			MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, &val16);
5071 	if(enable)
5072 		val16 |= 0x2000;
5073 	else
5074 		val16 &= 0xDFFF;
5075 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
5076 			 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, val16);
5077 }
5078 
5079 static void elink_warpcore_set_lane_swap(struct elink_dev *cb,
5080 					 struct elink_phy *phy,
5081 					 u32 wc_lane_config)
5082 {
5083 	u16 rx_lane_swap, tx_lane_swap, val16;
5084 	rx_lane_swap = ((wc_lane_config &
5085 			SHARED_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
5086 			SHARED_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
5087 
5088 	tx_lane_swap = ((wc_lane_config &
5089 			SHARED_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
5090 			SHARED_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
5091 
5092 	/* Rx Lanes */
5093 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
5094 			MDIO_WC_REG_XGXS_RX_LN_SWAP1, &val16);
5095 	val16 &= 0xFF00;
5096 	val16 |= rx_lane_swap;
5097 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
5098 			MDIO_WC_REG_XGXS_RX_LN_SWAP1, val16);
5099 
5100 	/* Tx Lanes */
5101 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
5102 			MDIO_WC_REG_XGXS_TX_LN_SWAP1, &val16);
5103 	val16 &= 0xFF00;
5104 	val16 |= tx_lane_swap;
5105 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
5106 			MDIO_WC_REG_XGXS_TX_LN_SWAP1, val16);
5107 }
5108 
5109 static void elink_warpcore_set_lane_polarity(struct elink_dev *cb,
5110 					     struct elink_phy *phy,
5111 					     u32 wc_lane_config)
5112 {
5113 	/* Set RX polarity on all lanes; flip and enable the flip. */
5114 	if (wc_lane_config & SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED)
5115 		elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
5116 					 MDIO_WC_REG_RX0_PCI_CTRL, (3<<2));
5117 	if (wc_lane_config & SHARED_HW_CFG_RX_LANE1_POL_FLIP_ENABLED)
5118 		elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
5119 					 MDIO_WC_REG_RX1_PCI_CTRL, (3<<2));
5120 	if (wc_lane_config & SHARED_HW_CFG_RX_LANE2_POL_FLIP_ENABLED)
5121 		elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
5122 					 MDIO_WC_REG_RX2_PCI_CTRL, (3<<2));
5123 	if (wc_lane_config & SHARED_HW_CFG_RX_LANE3_POL_FLIP_ENABLED)
5124 		elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
5125 					 MDIO_WC_REG_RX3_PCI_CTRL, (3<<2));
5126 	/* Set TX polarity on all lanes */
5127 	if (wc_lane_config & SHARED_HW_CFG_TX_LANE0_POL_FLIP_ENABLED)
5128 		elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
5129 					 MDIO_WC_REG_TX0_ANA_CTRL0, (1<<5));
5130 	if (wc_lane_config & SHARED_HW_CFG_TX_LANE1_POL_FLIP_ENABLED)
5131 		elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
5132 					 MDIO_WC_REG_TX1_ANA_CTRL0, (1<<5));
5133 	if (wc_lane_config & SHARED_HW_CFG_TX_LANE2_POL_FLIP_ENABLED)
5134 		elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
5135 					 MDIO_WC_REG_TX2_ANA_CTRL0, (1<<5));
5136 	if (wc_lane_config & SHARED_HW_CFG_TX_LANE3_POL_FLIP_ENABLED)
5137 		elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
5138 					 MDIO_WC_REG_TX3_ANA_CTRL0, (1<<5));
5139 }
5140 
5141 static elink_status_t elink_reset_warpcore(struct elink_dev *cb)
5142 {
5143 	u16 time;
5144 	u32 pll_lock;
5145 	ELINK_DEBUG_P0(cb, "Resetting Warpcore\n");
5146 
5147 	REG_WR(cb, MISC_REG_WC0_RESET, 0xE);
5148 	MSLEEP(cb, 1);
5149 	REG_WR(cb, MISC_REG_WC0_RESET, 0xF);
5150 
5151 	for(time = 0; time < ELINK_MDIO_ACCESS_TIMEOUT; time++) {
5152 		MSLEEP(cb, 1);
5153 		pll_lock = REG_RD(cb, MISC_REG_WC0_PLL_LOCK);
5154 		if (pll_lock & 0x1) {
5155 			/* Flush all TX fifo */
5156 			REG_WR(cb, MISC_REG_WC0_RESET, 0x3FF);
5157 			break;
5158 		}
5159 	}
5160 	if (time == ELINK_MDIO_ACCESS_TIMEOUT) {
5161 		ELINK_DEBUG_P0(cb, "BUG! WARPCORE is still in reset!\n");
5162 		return ELINK_STATUS_ERROR;
5163 	}
5164 
5165 	return ELINK_STATUS_OK;
5166 }
5167 
5168 
5169 static void elink_warpcore_set_quad_mode(struct elink_dev *cb,
5170 					 struct elink_phy *phy)
5171 {
5172 	u16 lane, val;
5173 	/* Need to set lanes 0..3 */
5174 	for (lane = 0; lane < WC_LANE_MAX; lane++) {
5175 		CL22_WR_OVER_CL45(cb, phy, MDIO_REG_BANK_AER_BLOCK,
5176 				  MDIO_AER_BLOCK_AER_REG, lane);
5177 		/* Reset Asic lane */
5178 		elink_warpcore_reset_lane(cb, phy, 1);
5179 		// This access is required only for version 0xd101 of the WC FW
5180 		elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
5181 				MDIO_WC_REG_CL72_USERB0_CL72_MISC4_CONTROL,
5182 				&val);
5183 		elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
5184 				 MDIO_WC_REG_CL72_USERB0_CL72_MISC4_CONTROL,
5185 				 (val & 0xfe07) | 0x78);
5186 
5187 		elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
5188 					 MDIO_WC_REG_DSC_SMC, 0x8000);
5189 
5190 		/* Set on clock compensation in WC */
5191 		elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
5192 				 MDIO_WC_REG_RX66_CONTROL, 0x7415);
5193 
5194 		/* Set on clock compensation in WC
5195 		 * For WC/B0 programming register 0x8104 to value 0x8091 insures
5196 		 * that clock comensation in cl48 modes is enabled during
5197 		 * multi-port modes, and disabled during single port modes.
5198 		 */
5199 		elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
5200 				 MDIO_WC_REG_XGXSBLK2_UNICORE_MODE_10G,
5201 				 0x8091);
5202 	}
5203 }
5204 
5205 static void elink_warpcore_set_dual_mode(struct elink_dev *cb,
5206 					 struct elink_phy *phy,
5207 					 u32 shmem_base)
5208 {
5209 	u16 lane, val;
5210 	u32 serdes_net_if;
5211 	for (lane = 0; lane < WC_LANE_MAX; lane++) {
5212 		CL22_WR_OVER_CL45(cb, phy, MDIO_REG_BANK_AER_BLOCK,
5213 				  MDIO_AER_BLOCK_AER_REG, lane);
5214 
5215 		elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
5216 				MDIO_WC_REG_CL72_USERB0_CL72_MISC4_CONTROL,
5217 				&val);
5218 		elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
5219 				 MDIO_WC_REG_CL72_USERB0_CL72_MISC4_CONTROL,
5220 				 (val & 0xfe07) | 0x50);
5221 		elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
5222 					 MDIO_WC_REG_CL49_USERB0_CTRL,
5223 					(3<<6));
5224 
5225 		/* Set on clock compensation in WC
5226 		 * For WC/B0 programming register 0x8104 to value 0x8091 insures
5227 		 * that clock comensation in cl48 modes is enabled during
5228 		 * multi-port modes, and disabled during single port modes.
5229 		 */
5230 		elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
5231 				 MDIO_WC_REG_XGXSBLK2_UNICORE_MODE_10G,
5232 				 0x8091);
5233 		/* In dual port mode XFI compensation should be disabled by
5234 		 * setting 0x83C0[14:13] to 2'b00 for each port.
5235 		 */
5236 		elink_cl45_read_and_write(cb, phy, MDIO_WC_DEVAD,
5237 					  MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
5238 
5239 		/* This access is required only for version 0xd101 of the
5240 		 * WC FW
5241 		 */
5242 		elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
5243 					 MDIO_WC_REG_DSC_SMC, 0x8000);
5244 	}
5245 
5246 	serdes_net_if = (REG_RD(cb, shmem_base +
5247 				OFFSETOF(struct shmem_region, dev_info.
5248 					 port_hw_config[0].default_cfg)) &
5249 			 PORT_HW_CFG_NET_SERDES_IF_MASK);
5250 
5251 	/* Configure both ports to 20G to enable clock working on both ports */
5252 	for (lane = 0x200; lane <= 0x201; lane++) {
5253 		CL22_WR_OVER_CL45(cb, phy, MDIO_REG_BANK_AER_BLOCK,
5254 				  MDIO_AER_BLOCK_AER_REG, lane);
5255 		elink_warpcore_reset_lane(cb, phy, 1);
5256 		if (serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_DXGXS)
5257 			elink_warpcore_set_20G_DXGXS(cb, phy, lane);
5258 	}
5259 	elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
5260 				 MDIO_WC_REG_RX1_PCI_CTRL, (1<<11));
5261 	elink_cl45_read_or_write(cb, phy, MDIO_WC_DEVAD,
5262 				 MDIO_WC_REG_RX3_PCI_CTRL, (1<<11));
5263 }
5264 
5265 static elink_status_t elink_warpcore_load_uc(struct elink_dev *cb,
5266 				   struct elink_phy *phy)
5267 {
5268 	u16 val, cnt;
5269 	CL22_WR_OVER_CL45(cb, phy, MDIO_REG_BANK_AER_BLOCK,
5270 			  MDIO_AER_BLOCK_AER_REG, 0);
5271 
5272 	/* Enable External memory access */
5273 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
5274 			 MDIO_WC_REG_UC_INFO_B0_DEAD_TRAP, 0x0000);
5275 
5276 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
5277 			 MDIO_WC_REG_MICROBLK_CMD3, 0x0407);
5278 
5279 	/* Initialize ram memory prior to programming it */
5280 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
5281 			 MDIO_WC_REG_MICROBLK_CMD, 0x8000);
5282 
5283 	/* Wait for completion of memory initialization */
5284 	for (cnt = 0; cnt < ELINK_WC_UC_TIMEOUT; cnt++) {
5285 		elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
5286 				MDIO_WC_REG_MICROBLK_DL_STATUS , &val);
5287 		if (val & 0x8000)
5288 			break;
5289 		USLEEP(cb, 1);
5290 	}
5291 	if (cnt >= ELINK_WC_UC_TIMEOUT)
5292 		return ELINK_STATUS_TIMEOUT;
5293 
5294 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD, MDIO_WC_REG_UC_INFO_B1_CRC, 0);
5295 
5296 	/* Load Warpcore microcode for E3 and after */
5297 	elink_cb_load_warpcore_microcode();
5298 
5299 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
5300 			 MDIO_WC_REG_MICROBLK_CMD3, 0x0404);
5301 
5302 	/* Turn off read_for_cmd bit, check for FW setting this later. */
5303 	elink_cl45_read_and_write(cb, phy, MDIO_WC_DEVAD,
5304 				  MDIO_WC_REG_DSC1B0_UC_CTRL,
5305 				  ~MDIO_WC_REG_DSC1B0_UC_CTRL_RDY4CMD);
5306 
5307 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
5308 			 MDIO_WC_REG_MICROBLK_CMD, 0x0810);
5309 	for (cnt = 0; cnt < ELINK_WC_RDY_TIMEOUT_MSEC; cnt++) {
5310 		elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
5311 				MDIO_WC_REG_DSC1B0_UC_CTRL, &val);
5312 		if (val & MDIO_WC_REG_DSC1B0_UC_CTRL_RDY4CMD)
5313 			break;
5314 		MSLEEP(cb, 1);
5315 	}
5316 	if (cnt >= ELINK_WC_RDY_TIMEOUT_MSEC)
5317 		return ELINK_STATUS_TIMEOUT;
5318 
5319 	return ELINK_STATUS_OK;
5320 }
5321 #endif /* INCLUDE_WARPCORE_UC_LOAD */
5322 
5323 static void elink_sync_link(struct elink_params *params,
5324 			     struct elink_vars *vars)
5325 {
5326 #ifdef ELINK_DEBUG
5327 	struct elink_dev *cb = params->cb;
5328 #endif
5329 	u8 link_10g_plus;
5330 	if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
5331 		vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
5332 	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
5333 	if (vars->link_up) {
5334 		ELINK_DEBUG_P0(cb, "phy link up\n");
5335 
5336 		vars->phy_link_up = 1;
5337 		vars->duplex = DUPLEX_FULL;
5338 		switch (vars->link_status &
5339 			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
5340 		case ELINK_LINK_10THD:
5341 			vars->duplex = DUPLEX_HALF;
5342 			/* Fall thru */
5343 		case ELINK_LINK_10TFD:
5344 			vars->line_speed = ELINK_SPEED_10;
5345 			break;
5346 
5347 		case ELINK_LINK_100TXHD:
5348 			vars->duplex = DUPLEX_HALF;
5349 			/* Fall thru */
5350 		case ELINK_LINK_100T4:
5351 		case ELINK_LINK_100TXFD:
5352 			vars->line_speed = ELINK_SPEED_100;
5353 			break;
5354 
5355 		case ELINK_LINK_1000THD:
5356 			vars->duplex = DUPLEX_HALF;
5357 			/* Fall thru */
5358 		case ELINK_LINK_1000TFD:
5359 			vars->line_speed = ELINK_SPEED_1000;
5360 			break;
5361 
5362 		case ELINK_LINK_2500THD:
5363 			vars->duplex = DUPLEX_HALF;
5364 			/* Fall thru */
5365 		case ELINK_LINK_2500TFD:
5366 			vars->line_speed = ELINK_SPEED_2500;
5367 			break;
5368 
5369 		case ELINK_LINK_10GTFD:
5370 			vars->line_speed = ELINK_SPEED_10000;
5371 			break;
5372 		case ELINK_LINK_20GTFD:
5373 			vars->line_speed = ELINK_SPEED_20000;
5374 			break;
5375 		default:
5376 			break;
5377 		}
5378 		vars->flow_ctrl = 0;
5379 		if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
5380 			vars->flow_ctrl |= ELINK_FLOW_CTRL_TX;
5381 
5382 		if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
5383 			vars->flow_ctrl |= ELINK_FLOW_CTRL_RX;
5384 
5385 		if (!vars->flow_ctrl)
5386 			vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
5387 
5388 		if (vars->line_speed &&
5389 		    ((vars->line_speed == ELINK_SPEED_10) ||
5390 		     (vars->line_speed == ELINK_SPEED_100))) {
5391 			vars->phy_flags |= PHY_SGMII_FLAG;
5392 		} else {
5393 			vars->phy_flags &= ~PHY_SGMII_FLAG;
5394 		}
5395 #ifndef EXCLUDE_WARPCORE
5396 		if (vars->line_speed &&
5397 		    ELINK_USES_WARPCORE(params->chip_id) &&
5398 		    (vars->line_speed == ELINK_SPEED_1000))
5399 			vars->phy_flags |= PHY_SGMII_FLAG;
5400 #endif /* #ifndef EXCLUDE_WARPCORE */
5401 		/* Anything 10 and over uses the bmac */
5402 		link_10g_plus = (vars->line_speed >= ELINK_SPEED_10000);
5403 
5404 		if (link_10g_plus) {
5405 			if (ELINK_USES_WARPCORE(params->chip_id))
5406 				vars->mac_type = ELINK_MAC_TYPE_XMAC;
5407 			else
5408 				vars->mac_type = ELINK_MAC_TYPE_BMAC;
5409 		} else {
5410 			if (ELINK_USES_WARPCORE(params->chip_id))
5411 				vars->mac_type = ELINK_MAC_TYPE_UMAC;
5412 			else
5413 				vars->mac_type = ELINK_MAC_TYPE_EMAC;
5414 		}
5415 	} else { /* Link down */
5416 		ELINK_DEBUG_P0(cb, "phy link down\n");
5417 
5418 		vars->phy_link_up = 0;
5419 
5420 		vars->line_speed = 0;
5421 		vars->duplex = DUPLEX_FULL;
5422 		vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
5423 
5424 		/* Indicate no mac active */
5425 		vars->mac_type = ELINK_MAC_TYPE_NONE;
5426 		if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
5427 			vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
5428 		if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
5429 			vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
5430 	}
5431 }
5432 
5433 void elink_link_status_update(struct elink_params *params,
5434 			      struct elink_vars *vars)
5435 {
5436 	struct elink_dev *cb = params->cb;
5437 	u8 port = params->port;
5438 	u32 sync_offset, media_types;
5439 	/* Update PHY configuration */
5440 	set_phy_vars(params, vars);
5441 
5442 	vars->link_status = REG_RD(cb, params->shmem_base +
5443 				   OFFSETOF(struct shmem_region,
5444 					    port_mb[port].link_status));
5445 
5446 	/* Force link UP in non LOOPBACK_EXT loopback mode(s) */
5447 	if (params->loopback_mode != ELINK_LOOPBACK_NONE &&
5448 	    params->loopback_mode != ELINK_LOOPBACK_EXT)
5449 		vars->link_status |= LINK_STATUS_LINK_UP;
5450 
5451 #ifndef EXCLUDE_NON_COMMON_INIT
5452 #ifndef EXCLUDE_WARPCORE
5453 	if (elink_eee_has_cap(params))
5454 		vars->eee_status = REG_RD(cb, params->shmem2_base +
5455 					  OFFSETOF(struct shmem2_region,
5456 						   eee_status[params->port]));
5457 #endif
5458 #endif
5459 
5460 	vars->phy_flags = PHY_XGXS_FLAG;
5461 	elink_sync_link(params, vars);
5462 	/* Sync media type */
5463 	sync_offset = params->shmem_base +
5464 			OFFSETOF(struct shmem_region,
5465 				 dev_info.port_hw_config[port].media_type);
5466 	media_types = REG_RD(cb, sync_offset);
5467 
5468 	params->phy[ELINK_INT_PHY].media_type =
5469 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
5470 		PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
5471 	params->phy[ELINK_EXT_PHY1].media_type =
5472 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
5473 		PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
5474 	params->phy[ELINK_EXT_PHY2].media_type =
5475 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
5476 		PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
5477 	ELINK_DEBUG_P1(cb, "media_types = 0x%x\n", media_types);
5478 
5479 	/* Sync AEU offset */
5480 	sync_offset = params->shmem_base +
5481 			OFFSETOF(struct shmem_region,
5482 				 dev_info.port_hw_config[port].aeu_int_mask);
5483 
5484 	vars->aeu_int_mask = REG_RD(cb, sync_offset);
5485 
5486 	/* Sync PFC status */
5487 	if (vars->link_status & LINK_STATUS_PFC_ENABLED)
5488 		params->feature_config_flags |=
5489 					ELINK_FEATURE_CONFIG_PFC_ENABLED;
5490 	else
5491 		params->feature_config_flags &=
5492 					~ELINK_FEATURE_CONFIG_PFC_ENABLED;
5493 
5494 	if (SHMEM2_HAS(cb, params->shmem2_base, link_attr_sync))
5495 		params->link_attr_sync = SHMEM2_RD(cb, params->shmem2_base,
5496 						 link_attr_sync[params->port]);
5497 
5498 	ELINK_DEBUG_P3(cb, "link_status 0x%x  phy_link_up %x int_mask 0x%x\n",
5499 		 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
5500 	ELINK_DEBUG_P3(cb, "line_speed %x  duplex %x  flow_ctrl 0x%x\n",
5501 		 vars->line_speed, vars->duplex, vars->flow_ctrl);
5502 }
5503 
5504 #ifndef EXCLUDE_NON_COMMON_INIT
5505 #ifndef EXCLUDE_XGXS
5506 static void elink_set_master_ln(struct elink_params *params,
5507 				struct elink_phy *phy)
5508 {
5509 	struct elink_dev *cb = params->cb;
5510 	u16 new_master_ln, ser_lane;
5511 	ser_lane = ((params->lane_config &
5512 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
5513 		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
5514 
5515 	/* Set the master_ln for AN */
5516 	CL22_RD_OVER_CL45(cb, phy,
5517 			  MDIO_REG_BANK_XGXS_BLOCK2,
5518 			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
5519 			  &new_master_ln);
5520 
5521 	CL22_WR_OVER_CL45(cb, phy,
5522 			  MDIO_REG_BANK_XGXS_BLOCK2 ,
5523 			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
5524 			  (new_master_ln | ser_lane));
5525 }
5526 
5527 static elink_status_t elink_reset_unicore(struct elink_params *params,
5528 			       struct elink_phy *phy,
5529 			       u8 set_serdes)
5530 {
5531 	struct elink_dev *cb = params->cb;
5532 	u16 mii_control;
5533 	u16 i;
5534 	CL22_RD_OVER_CL45(cb, phy,
5535 			  MDIO_REG_BANK_COMBO_IEEE0,
5536 			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
5537 
5538 	/* Reset the unicore */
5539 	CL22_WR_OVER_CL45(cb, phy,
5540 			  MDIO_REG_BANK_COMBO_IEEE0,
5541 			  MDIO_COMBO_IEEE0_MII_CONTROL,
5542 			  (mii_control |
5543 			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
5544 #ifndef EXCLUDE_SERDES
5545 	if (set_serdes)
5546 		elink_set_serdes_access(cb, params->port);
5547 #endif /* EXCLUDE_SERDES */
5548 
5549 	/* Wait for the reset to self clear */
5550 	for (i = 0; i < ELINK_MDIO_ACCESS_TIMEOUT; i++) {
5551 		USLEEP(cb, 5);
5552 
5553 		/* The reset erased the previous bank value */
5554 		CL22_RD_OVER_CL45(cb, phy,
5555 				  MDIO_REG_BANK_COMBO_IEEE0,
5556 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5557 				  &mii_control);
5558 
5559 		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
5560 			USLEEP(cb, 5);
5561 			return ELINK_STATUS_OK;
5562 		}
5563 	}
5564 
5565 	elink_cb_event_log(cb, ELINK_LOG_ID_PHY_UNINITIALIZED, params->port); // "Warning: PHY was not initialized,"
5566 			     // " Port %d\n",
5567 
5568 	ELINK_DEBUG_P0(cb, "BUG! XGXS is still in reset!\n");
5569 	return ELINK_STATUS_ERROR;
5570 
5571 }
5572 
5573 static void elink_set_swap_lanes(struct elink_params *params,
5574 				 struct elink_phy *phy)
5575 {
5576 	struct elink_dev *cb = params->cb;
5577 	/* Each two bits represents a lane number:
5578 	 * No swap is 0123 => 0x1b no need to enable the swap
5579 	 */
5580 	u16 rx_lane_swap, tx_lane_swap;
5581 
5582 	rx_lane_swap = ((params->lane_config &
5583 			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
5584 			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
5585 	tx_lane_swap = ((params->lane_config &
5586 			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
5587 			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
5588 
5589 	if (rx_lane_swap != 0x1b) {
5590 		CL22_WR_OVER_CL45(cb, phy,
5591 				  MDIO_REG_BANK_XGXS_BLOCK2,
5592 				  MDIO_XGXS_BLOCK2_RX_LN_SWAP,
5593 				  (rx_lane_swap |
5594 				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
5595 				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
5596 	} else {
5597 		CL22_WR_OVER_CL45(cb, phy,
5598 				  MDIO_REG_BANK_XGXS_BLOCK2,
5599 				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
5600 	}
5601 
5602 	if (tx_lane_swap != 0x1b) {
5603 		CL22_WR_OVER_CL45(cb, phy,
5604 				  MDIO_REG_BANK_XGXS_BLOCK2,
5605 				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
5606 				  (tx_lane_swap |
5607 				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
5608 	} else {
5609 		CL22_WR_OVER_CL45(cb, phy,
5610 				  MDIO_REG_BANK_XGXS_BLOCK2,
5611 				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
5612 	}
5613 }
5614 
5615 static void elink_set_parallel_detection(struct elink_phy *phy,
5616 					 struct elink_params *params)
5617 {
5618 	struct elink_dev *cb = params->cb;
5619 	u16 control2;
5620 	CL22_RD_OVER_CL45(cb, phy,
5621 			  MDIO_REG_BANK_SERDES_DIGITAL,
5622 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
5623 			  &control2);
5624 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5625 		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
5626 	else
5627 		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
5628 	ELINK_DEBUG_P2(cb, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
5629 		phy->speed_cap_mask, control2);
5630 	CL22_WR_OVER_CL45(cb, phy,
5631 			  MDIO_REG_BANK_SERDES_DIGITAL,
5632 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
5633 			  control2);
5634 
5635 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
5636 	     (phy->speed_cap_mask &
5637 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
5638 		ELINK_DEBUG_P0(cb, "XGXS\n");
5639 
5640 		CL22_WR_OVER_CL45(cb, phy,
5641 				 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5642 				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
5643 				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
5644 
5645 		CL22_RD_OVER_CL45(cb, phy,
5646 				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5647 				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5648 				  &control2);
5649 
5650 
5651 		control2 |=
5652 		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
5653 
5654 		CL22_WR_OVER_CL45(cb, phy,
5655 				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5656 				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5657 				  control2);
5658 
5659 		/* Disable parallel detection of HiG */
5660 		CL22_WR_OVER_CL45(cb, phy,
5661 				  MDIO_REG_BANK_XGXS_BLOCK2,
5662 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
5663 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
5664 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
5665 	}
5666 }
5667 
5668 static void elink_set_autoneg(struct elink_phy *phy,
5669 			      struct elink_params *params,
5670 			      struct elink_vars *vars,
5671 			      u8 enable_cl73)
5672 {
5673 	struct elink_dev *cb = params->cb;
5674 	u16 reg_val;
5675 
5676 	/* CL37 Autoneg */
5677 	CL22_RD_OVER_CL45(cb, phy,
5678 			  MDIO_REG_BANK_COMBO_IEEE0,
5679 			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5680 
5681 	/* CL37 Autoneg Enabled */
5682 	if (vars->line_speed == ELINK_SPEED_AUTO_NEG)
5683 		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
5684 	else /* CL37 Autoneg Disabled */
5685 		reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5686 			     MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
5687 
5688 	CL22_WR_OVER_CL45(cb, phy,
5689 			  MDIO_REG_BANK_COMBO_IEEE0,
5690 			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5691 
5692 	/* Enable/Disable Autodetection */
5693 
5694 	CL22_RD_OVER_CL45(cb, phy,
5695 			  MDIO_REG_BANK_SERDES_DIGITAL,
5696 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
5697 	reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
5698 		    MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
5699 	reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
5700 	if (vars->line_speed == ELINK_SPEED_AUTO_NEG)
5701 		reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5702 	else
5703 		reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5704 
5705 	CL22_WR_OVER_CL45(cb, phy,
5706 			  MDIO_REG_BANK_SERDES_DIGITAL,
5707 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
5708 
5709 	/* Enable TetonII and BAM autoneg */
5710 	CL22_RD_OVER_CL45(cb, phy,
5711 			  MDIO_REG_BANK_BAM_NEXT_PAGE,
5712 			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5713 			  &reg_val);
5714 	if (vars->line_speed == ELINK_SPEED_AUTO_NEG) {
5715 		/* Enable BAM aneg Mode and TetonII aneg Mode */
5716 		reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5717 			    MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5718 	} else {
5719 		/* TetonII and BAM Autoneg Disabled */
5720 		reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5721 			     MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5722 	}
5723 	CL22_WR_OVER_CL45(cb, phy,
5724 			  MDIO_REG_BANK_BAM_NEXT_PAGE,
5725 			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5726 			  reg_val);
5727 
5728 	if (enable_cl73) {
5729 		/* Enable Cl73 FSM status bits */
5730 		CL22_WR_OVER_CL45(cb, phy,
5731 				  MDIO_REG_BANK_CL73_USERB0,
5732 				  MDIO_CL73_USERB0_CL73_UCTRL,
5733 				  0xe);
5734 
5735 		/* Enable BAM Station Manager*/
5736 		CL22_WR_OVER_CL45(cb, phy,
5737 			MDIO_REG_BANK_CL73_USERB0,
5738 			MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5739 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5740 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5741 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5742 
5743 		/* Advertise CL73 link speeds */
5744 		CL22_RD_OVER_CL45(cb, phy,
5745 				  MDIO_REG_BANK_CL73_IEEEB1,
5746 				  MDIO_CL73_IEEEB1_AN_ADV2,
5747 				  &reg_val);
5748 		if (phy->speed_cap_mask &
5749 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5750 			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
5751 		if (phy->speed_cap_mask &
5752 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5753 			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
5754 
5755 		CL22_WR_OVER_CL45(cb, phy,
5756 				  MDIO_REG_BANK_CL73_IEEEB1,
5757 				  MDIO_CL73_IEEEB1_AN_ADV2,
5758 				  reg_val);
5759 
5760 		/* CL73 Autoneg Enabled */
5761 		reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5762 
5763 	} else /* CL73 Autoneg Disabled */
5764 		reg_val = 0;
5765 
5766 	CL22_WR_OVER_CL45(cb, phy,
5767 			  MDIO_REG_BANK_CL73_IEEEB0,
5768 			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
5769 }
5770 
5771 /* Program SerDes, forced speed */
5772 static void elink_program_serdes(struct elink_phy *phy,
5773 				 struct elink_params *params,
5774 				 struct elink_vars *vars)
5775 {
5776 	struct elink_dev *cb = params->cb;
5777 	u16 reg_val;
5778 
5779 	/* Program duplex, disable autoneg and sgmii*/
5780 	CL22_RD_OVER_CL45(cb, phy,
5781 			  MDIO_REG_BANK_COMBO_IEEE0,
5782 			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5783 	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
5784 		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5785 		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
5786 	if (phy->req_duplex == DUPLEX_FULL)
5787 		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5788 	CL22_WR_OVER_CL45(cb, phy,
5789 			  MDIO_REG_BANK_COMBO_IEEE0,
5790 			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5791 
5792 	/* Program speed
5793 	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
5794 	 */
5795 	CL22_RD_OVER_CL45(cb, phy,
5796 			  MDIO_REG_BANK_SERDES_DIGITAL,
5797 			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
5798 	/* Clearing the speed value before setting the right speed */
5799 	ELINK_DEBUG_P1(cb, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5800 
5801 	reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5802 		     MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5803 
5804 	if (!((vars->line_speed == ELINK_SPEED_1000) ||
5805 	      (vars->line_speed == ELINK_SPEED_100) ||
5806 	      (vars->line_speed == ELINK_SPEED_10))) {
5807 
5808 		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5809 			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5810 		if (vars->line_speed == ELINK_SPEED_10000)
5811 			reg_val |=
5812 				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
5813 	}
5814 
5815 	CL22_WR_OVER_CL45(cb, phy,
5816 			  MDIO_REG_BANK_SERDES_DIGITAL,
5817 			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
5818 
5819 }
5820 
5821 static void elink_set_brcm_cl37_advertisement(struct elink_phy *phy,
5822 					      struct elink_params *params)
5823 {
5824 	struct elink_dev *cb = params->cb;
5825 	u16 val = 0;
5826 
5827 	/* Set extended capabilities */
5828 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
5829 		val |= MDIO_OVER_1G_UP1_2_5G;
5830 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5831 		val |= MDIO_OVER_1G_UP1_10G;
5832 	CL22_WR_OVER_CL45(cb, phy,
5833 			  MDIO_REG_BANK_OVER_1G,
5834 			  MDIO_OVER_1G_UP1, val);
5835 
5836 	CL22_WR_OVER_CL45(cb, phy,
5837 			  MDIO_REG_BANK_OVER_1G,
5838 			  MDIO_OVER_1G_UP3, 0x400);
5839 }
5840 
5841 static void elink_set_ieee_aneg_advertisement(struct elink_phy *phy,
5842 					      struct elink_params *params,
5843 					      u16 ieee_fc)
5844 {
5845 	struct elink_dev *cb = params->cb;
5846 	u16 val;
5847 	/* For AN, we are always publishing full duplex */
5848 
5849 	CL22_WR_OVER_CL45(cb, phy,
5850 			  MDIO_REG_BANK_COMBO_IEEE0,
5851 			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
5852 	CL22_RD_OVER_CL45(cb, phy,
5853 			  MDIO_REG_BANK_CL73_IEEEB1,
5854 			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
5855 	val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5856 	val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
5857 	CL22_WR_OVER_CL45(cb, phy,
5858 			  MDIO_REG_BANK_CL73_IEEEB1,
5859 			  MDIO_CL73_IEEEB1_AN_ADV1, val);
5860 }
5861 
5862 static void elink_restart_autoneg(struct elink_phy *phy,
5863 				  struct elink_params *params,
5864 				  u8 enable_cl73)
5865 {
5866 	struct elink_dev *cb = params->cb;
5867 	u16 mii_control;
5868 
5869 	ELINK_DEBUG_P0(cb, "elink_restart_autoneg\n");
5870 	/* Enable and restart BAM/CL37 aneg */
5871 
5872 	if (enable_cl73) {
5873 		CL22_RD_OVER_CL45(cb, phy,
5874 				  MDIO_REG_BANK_CL73_IEEEB0,
5875 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5876 				  &mii_control);
5877 
5878 		CL22_WR_OVER_CL45(cb, phy,
5879 				  MDIO_REG_BANK_CL73_IEEEB0,
5880 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5881 				  (mii_control |
5882 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5883 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
5884 	} else {
5885 
5886 		CL22_RD_OVER_CL45(cb, phy,
5887 				  MDIO_REG_BANK_COMBO_IEEE0,
5888 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5889 				  &mii_control);
5890 		ELINK_DEBUG_P1(cb,
5891 			 "elink_restart_autoneg mii_control before = 0x%x\n",
5892 			 mii_control);
5893 		CL22_WR_OVER_CL45(cb, phy,
5894 				  MDIO_REG_BANK_COMBO_IEEE0,
5895 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5896 				  (mii_control |
5897 				   MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5898 				   MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
5899 	}
5900 }
5901 
5902 static void elink_initialize_sgmii_process(struct elink_phy *phy,
5903 					   struct elink_params *params,
5904 					   struct elink_vars *vars)
5905 {
5906 	struct elink_dev *cb = params->cb;
5907 	u16 control1;
5908 
5909 	/* In SGMII mode, the unicore is always slave */
5910 
5911 	CL22_RD_OVER_CL45(cb, phy,
5912 			  MDIO_REG_BANK_SERDES_DIGITAL,
5913 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5914 			  &control1);
5915 	control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
5916 	/* Set sgmii mode (and not fiber) */
5917 	control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5918 		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5919 		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
5920 	CL22_WR_OVER_CL45(cb, phy,
5921 			  MDIO_REG_BANK_SERDES_DIGITAL,
5922 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5923 			  control1);
5924 
5925 	/* If forced speed */
5926 	if (!(vars->line_speed == ELINK_SPEED_AUTO_NEG)) {
5927 		/* Set speed, disable autoneg */
5928 		u16 mii_control;
5929 
5930 		CL22_RD_OVER_CL45(cb, phy,
5931 				  MDIO_REG_BANK_COMBO_IEEE0,
5932 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5933 				  &mii_control);
5934 		mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5935 				 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5936 				 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5937 
5938 		switch (vars->line_speed) {
5939 		case ELINK_SPEED_100:
5940 			mii_control |=
5941 				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5942 			break;
5943 		case ELINK_SPEED_1000:
5944 			mii_control |=
5945 				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5946 			break;
5947 		case ELINK_SPEED_10:
5948 			/* There is nothing to set for 10M */
5949 			break;
5950 		default:
5951 			/* Invalid speed for SGMII */
5952 			ELINK_DEBUG_P1(cb, "Invalid line_speed 0x%x\n",
5953 				  vars->line_speed);
5954 			break;
5955 		}
5956 
5957 		/* Setting the full duplex */
5958 		if (phy->req_duplex == DUPLEX_FULL)
5959 			mii_control |=
5960 				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5961 		CL22_WR_OVER_CL45(cb, phy,
5962 				  MDIO_REG_BANK_COMBO_IEEE0,
5963 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5964 				  mii_control);
5965 
5966 	} else { /* AN mode */
5967 		/* Enable and restart AN */
5968 		elink_restart_autoneg(phy, params, 0);
5969 	}
5970 }
5971 
5972 /* Link management
5973  */
5974 static elink_status_t elink_direct_parallel_detect_used(struct elink_phy *phy,
5975 					     struct elink_params *params)
5976 {
5977 	struct elink_dev *cb = params->cb;
5978 	u16 pd_10g, status2_1000x;
5979 	if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG)
5980 		return ELINK_STATUS_OK;
5981 	CL22_RD_OVER_CL45(cb, phy,
5982 			  MDIO_REG_BANK_SERDES_DIGITAL,
5983 			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5984 			  &status2_1000x);
5985 	CL22_RD_OVER_CL45(cb, phy,
5986 			  MDIO_REG_BANK_SERDES_DIGITAL,
5987 			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5988 			  &status2_1000x);
5989 	if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5990 		ELINK_DEBUG_P1(cb, "1G parallel detect link on port %d\n",
5991 			 params->port);
5992 		return 1;
5993 	}
5994 
5995 	CL22_RD_OVER_CL45(cb, phy,
5996 			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5997 			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5998 			  &pd_10g);
5999 
6000 	if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
6001 		ELINK_DEBUG_P1(cb, "10G parallel detect link on port %d\n",
6002 			 params->port);
6003 		return 1;
6004 	}
6005 	return ELINK_STATUS_OK;
6006 }
6007 
6008 static void elink_update_adv_fc(struct elink_phy *phy,
6009 				struct elink_params *params,
6010 				struct elink_vars *vars,
6011 				u32 gp_status)
6012 {
6013 	u16 ld_pause;   /* local driver */
6014 	u16 lp_pause;   /* link partner */
6015 	u16 pause_result;
6016 	struct elink_dev *cb = params->cb;
6017 	if ((gp_status &
6018 	     (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
6019 	      MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
6020 	    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
6021 	     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
6022 
6023 		CL22_RD_OVER_CL45(cb, phy,
6024 				  MDIO_REG_BANK_CL73_IEEEB1,
6025 				  MDIO_CL73_IEEEB1_AN_ADV1,
6026 				  &ld_pause);
6027 		CL22_RD_OVER_CL45(cb, phy,
6028 				  MDIO_REG_BANK_CL73_IEEEB1,
6029 				  MDIO_CL73_IEEEB1_AN_LP_ADV1,
6030 				  &lp_pause);
6031 		pause_result = (ld_pause &
6032 				MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
6033 		pause_result |= (lp_pause &
6034 				 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
6035 		ELINK_DEBUG_P1(cb, "pause_result CL73 0x%x\n", pause_result);
6036 	} else {
6037 		CL22_RD_OVER_CL45(cb, phy,
6038 				  MDIO_REG_BANK_COMBO_IEEE0,
6039 				  MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
6040 				  &ld_pause);
6041 		CL22_RD_OVER_CL45(cb, phy,
6042 			MDIO_REG_BANK_COMBO_IEEE0,
6043 			MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
6044 			&lp_pause);
6045 		pause_result = (ld_pause &
6046 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
6047 		pause_result |= (lp_pause &
6048 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
6049 		ELINK_DEBUG_P1(cb, "pause_result CL37 0x%x\n", pause_result);
6050 	}
6051 	elink_pause_resolve(vars, pause_result);
6052 
6053 }
6054 
6055 static void elink_flow_ctrl_resolve(struct elink_phy *phy,
6056 				    struct elink_params *params,
6057 				    struct elink_vars *vars,
6058 				    u32 gp_status)
6059 {
6060 #ifdef ELINK_DEBUG
6061 	struct elink_dev *cb = params->cb;
6062 #endif
6063 	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
6064 
6065 	/* Resolve from gp_status in case of AN complete and not sgmii */
6066 	if (phy->req_flow_ctrl != ELINK_FLOW_CTRL_AUTO) {
6067 		/* Update the advertised flow-controled of LD/LP in AN */
6068 		if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
6069 			elink_update_adv_fc(phy, params, vars, gp_status);
6070 		/* But set the flow-control result as the requested one */
6071 		vars->flow_ctrl = phy->req_flow_ctrl;
6072 	} else if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG)
6073 		vars->flow_ctrl = params->req_fc_auto_adv;
6074 	else if ((gp_status & ELINK_MDIO_AN_CL73_OR_37_COMPLETE) &&
6075 		 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
6076 		if (elink_direct_parallel_detect_used(phy, params)) {
6077 			vars->flow_ctrl = params->req_fc_auto_adv;
6078 			return;
6079 		}
6080 		elink_update_adv_fc(phy, params, vars, gp_status);
6081 	}
6082 	ELINK_DEBUG_P1(cb, "flow_ctrl 0x%x\n", vars->flow_ctrl);
6083 }
6084 
6085 static void elink_check_fallback_to_cl37(struct elink_phy *phy,
6086 					 struct elink_params *params)
6087 {
6088 	struct elink_dev *cb = params->cb;
6089 	u16 rx_status, ustat_val, cl37_fsm_received;
6090 	ELINK_DEBUG_P0(cb, "elink_check_fallback_to_cl37\n");
6091 	/* Step 1: Make sure signal is detected */
6092 	CL22_RD_OVER_CL45(cb, phy,
6093 			  MDIO_REG_BANK_RX0,
6094 			  MDIO_RX0_RX_STATUS,
6095 			  &rx_status);
6096 	if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
6097 	    (MDIO_RX0_RX_STATUS_SIGDET)) {
6098 		ELINK_DEBUG_P1(cb, "Signal is not detected. Restoring CL73."
6099 			     "rx_status(0x80b0) = 0x%x\n", rx_status);
6100 		CL22_WR_OVER_CL45(cb, phy,
6101 				  MDIO_REG_BANK_CL73_IEEEB0,
6102 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
6103 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
6104 		return;
6105 	}
6106 	/* Step 2: Check CL73 state machine */
6107 	CL22_RD_OVER_CL45(cb, phy,
6108 			  MDIO_REG_BANK_CL73_USERB0,
6109 			  MDIO_CL73_USERB0_CL73_USTAT1,
6110 			  &ustat_val);
6111 	if ((ustat_val &
6112 	     (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
6113 	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
6114 	    (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
6115 	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
6116 		ELINK_DEBUG_P1(cb, "CL73 state-machine is not stable. "
6117 			     "ustat_val(0x8371) = 0x%x\n", ustat_val);
6118 		return;
6119 	}
6120 	/* Step 3: Check CL37 Message Pages received to indicate LP
6121 	 * supports only CL37
6122 	 */
6123 	CL22_RD_OVER_CL45(cb, phy,
6124 			  MDIO_REG_BANK_REMOTE_PHY,
6125 			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
6126 			  &cl37_fsm_received);
6127 	if ((cl37_fsm_received &
6128 	     (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
6129 	     MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
6130 	    (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
6131 	      MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
6132 		ELINK_DEBUG_P1(cb, "No CL37 FSM were received. "
6133 			     "misc_rx_status(0x8330) = 0x%x\n",
6134 			 cl37_fsm_received);
6135 		return;
6136 	}
6137 	/* The combined cl37/cl73 fsm state information indicating that
6138 	 * we are connected to a device which does not support cl73, but
6139 	 * does support cl37 BAM. In this case we disable cl73 and
6140 	 * restart cl37 auto-neg
6141 	 */
6142 
6143 	/* Disable CL73 */
6144 	CL22_WR_OVER_CL45(cb, phy,
6145 			  MDIO_REG_BANK_CL73_IEEEB0,
6146 			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
6147 			  0);
6148 	/* Restart CL37 autoneg */
6149 	elink_restart_autoneg(phy, params, 0);
6150 	ELINK_DEBUG_P0(cb, "Disabling CL73, and restarting CL37 autoneg\n");
6151 }
6152 
6153 static void elink_xgxs_an_resolve(struct elink_phy *phy,
6154 				  struct elink_params *params,
6155 				  struct elink_vars *vars,
6156 				  u32 gp_status)
6157 {
6158 	if (gp_status & ELINK_MDIO_AN_CL73_OR_37_COMPLETE)
6159 		vars->link_status |=
6160 			LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6161 
6162 	if (elink_direct_parallel_detect_used(phy, params))
6163 		vars->link_status |=
6164 			LINK_STATUS_PARALLEL_DETECTION_USED;
6165 }
6166 #endif /* EXCLUDE_XGXS */
6167 static elink_status_t elink_get_link_speed_duplex(struct elink_phy *phy,
6168 				     struct elink_params *params,
6169 				      struct elink_vars *vars,
6170 				      u16 is_link_up,
6171 				      u16 speed_mask,
6172 				      u16 is_duplex)
6173 {
6174 #ifdef ELINK_DEBUG
6175 	struct elink_dev *cb = params->cb;
6176 #endif
6177 	if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
6178 		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
6179 	if (is_link_up) {
6180 		ELINK_DEBUG_P0(cb, "phy link up\n");
6181 
6182 		vars->phy_link_up = 1;
6183 		vars->link_status |= LINK_STATUS_LINK_UP;
6184 
6185 		switch (speed_mask) {
6186 		case ELINK_GP_STATUS_10M:
6187 			vars->line_speed = ELINK_SPEED_10;
6188 			if (is_duplex == DUPLEX_FULL)
6189 				vars->link_status |= ELINK_LINK_10TFD;
6190 			else
6191 				vars->link_status |= ELINK_LINK_10THD;
6192 			break;
6193 
6194 		case ELINK_GP_STATUS_100M:
6195 			vars->line_speed = ELINK_SPEED_100;
6196 			if (is_duplex == DUPLEX_FULL)
6197 				vars->link_status |= ELINK_LINK_100TXFD;
6198 			else
6199 				vars->link_status |= ELINK_LINK_100TXHD;
6200 			break;
6201 
6202 		case ELINK_GP_STATUS_1G:
6203 		case ELINK_GP_STATUS_1G_KX:
6204 			vars->line_speed = ELINK_SPEED_1000;
6205 			if (is_duplex == DUPLEX_FULL)
6206 				vars->link_status |= ELINK_LINK_1000TFD;
6207 			else
6208 				vars->link_status |= ELINK_LINK_1000THD;
6209 			break;
6210 
6211 		case ELINK_GP_STATUS_2_5G:
6212 			vars->line_speed = ELINK_SPEED_2500;
6213 			if (is_duplex == DUPLEX_FULL)
6214 				vars->link_status |= ELINK_LINK_2500TFD;
6215 			else
6216 				vars->link_status |= ELINK_LINK_2500THD;
6217 			break;
6218 
6219 		case ELINK_GP_STATUS_5G:
6220 		case ELINK_GP_STATUS_6G:
6221 			ELINK_DEBUG_P1(cb,
6222 				 "link speed unsupported  gp_status 0x%x\n",
6223 				  speed_mask);
6224 			return ELINK_STATUS_ERROR;
6225 
6226 		case ELINK_GP_STATUS_10G_KX4:
6227 		case ELINK_GP_STATUS_10G_HIG:
6228 		case ELINK_GP_STATUS_10G_CX4:
6229 		case ELINK_GP_STATUS_10G_KR:
6230 		case ELINK_GP_STATUS_10G_SFI:
6231 		case ELINK_GP_STATUS_10G_XFI:
6232 			vars->line_speed = ELINK_SPEED_10000;
6233 			vars->link_status |= ELINK_LINK_10GTFD;
6234 			break;
6235 		case ELINK_GP_STATUS_20G_DXGXS:
6236 		case ELINK_GP_STATUS_20G_KR2:
6237 			vars->line_speed = ELINK_SPEED_20000;
6238 			vars->link_status |= ELINK_LINK_20GTFD;
6239 			break;
6240 		default:
6241 			ELINK_DEBUG_P1(cb,
6242 				  "link speed unsupported gp_status 0x%x\n",
6243 				  speed_mask);
6244 			return ELINK_STATUS_ERROR;
6245 		}
6246 	} else { /* link_down */
6247 		ELINK_DEBUG_P0(cb, "phy link down\n");
6248 
6249 		vars->phy_link_up = 0;
6250 
6251 		vars->duplex = DUPLEX_FULL;
6252 		vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
6253 		vars->mac_type = ELINK_MAC_TYPE_NONE;
6254 	}
6255 	ELINK_DEBUG_P2(cb, " phy_link_up %x line_speed %d\n",
6256 		    vars->phy_link_up, vars->line_speed);
6257 	return ELINK_STATUS_OK;
6258 }
6259 
6260 #ifndef EXCLUDE_XGXS
6261 static elink_status_t
6262 elink_link_settings_status(struct elink_phy *phy, struct elink_params *params,
6263     struct elink_vars *vars)
6264 {
6265 	struct elink_dev *cb = params->cb;
6266 
6267 	u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
6268 	elink_status_t rc = ELINK_STATUS_OK;
6269 
6270 	/* Read gp_status */
6271 	CL22_RD_OVER_CL45(cb, phy,
6272 			  MDIO_REG_BANK_GP_STATUS,
6273 			  MDIO_GP_STATUS_TOP_AN_STATUS1,
6274 			  &gp_status);
6275 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
6276 		duplex = DUPLEX_FULL;
6277 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
6278 		link_up = 1;
6279 	speed_mask = gp_status & ELINK_GP_STATUS_SPEED_MASK;
6280 	ELINK_DEBUG_P3(cb, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
6281 		       gp_status, link_up, speed_mask);
6282 	rc = elink_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
6283 					 duplex);
6284 	if (rc == ELINK_STATUS_ERROR)
6285 		return rc;
6286 
6287 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
6288 		if (ELINK_SINGLE_MEDIA_DIRECT(params)) {
6289 			vars->duplex = duplex;
6290 			elink_flow_ctrl_resolve(phy, params, vars, gp_status);
6291 			if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
6292 				elink_xgxs_an_resolve(phy, params, vars,
6293 						      gp_status);
6294 		}
6295 	} else { /* Link_down */
6296 		if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
6297 		    ELINK_SINGLE_MEDIA_DIRECT(params)) {
6298 			/* Check signal is detected */
6299 			elink_check_fallback_to_cl37(phy, params);
6300 		}
6301 	}
6302 
6303 	/* Read LP advertised speeds*/
6304 	if (ELINK_SINGLE_MEDIA_DIRECT(params) &&
6305 	    (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
6306 		u16 val;
6307 
6308 		CL22_RD_OVER_CL45(cb, phy, MDIO_REG_BANK_CL73_IEEEB1,
6309 				  MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
6310 
6311 		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
6312 			vars->link_status |=
6313 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
6314 		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
6315 			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
6316 			vars->link_status |=
6317 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
6318 
6319 		CL22_RD_OVER_CL45(cb, phy, MDIO_REG_BANK_OVER_1G,
6320 				  MDIO_OVER_1G_LP_UP1, &val);
6321 
6322 		if (val & MDIO_OVER_1G_UP1_2_5G)
6323 			vars->link_status |=
6324 				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
6325 		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
6326 			vars->link_status |=
6327 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
6328 	}
6329 
6330 	ELINK_DEBUG_P3(cb, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
6331 		   vars->duplex, vars->flow_ctrl, vars->link_status);
6332 	return rc;
6333 }
6334 #endif // EXCLUDE_XGXS
6335 
6336 #ifndef EXCLUDE_WARPCORE
6337 static elink_status_t
6338 elink_warpcore_read_status(struct elink_phy *phy, struct elink_params *params,
6339     struct elink_vars *vars)
6340 {
6341 	struct elink_dev *cb = params->cb;
6342 	u8 lane;
6343 	u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
6344 	elink_status_t rc = ELINK_STATUS_OK;
6345 	lane = elink_get_warpcore_lane(phy, params);
6346 	/* Read gp_status */
6347 	if ((params->loopback_mode) &&
6348 	    (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)) {
6349 		elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
6350 				MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
6351 		elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
6352 				MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
6353 		link_up &= 0x1;
6354 	} else if ((phy->req_line_speed > ELINK_SPEED_10000) &&
6355 		(phy->supported & ELINK_SUPPORTED_20000baseMLD2_Full)) {
6356 		u16 temp_link_up;
6357 		elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
6358 				1, &temp_link_up);
6359 		elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
6360 				1, &link_up);
6361 		ELINK_DEBUG_P2(cb, "PCS RX link status = 0x%x-->0x%x\n",
6362 			       temp_link_up, link_up);
6363 		link_up &= (1<<2);
6364 		if (link_up)
6365 			elink_ext_phy_resolve_fc(phy, params, vars);
6366 	} else {
6367 		elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
6368 				MDIO_WC_REG_GP2_STATUS_GP_2_1,
6369 				&gp_status1);
6370 		ELINK_DEBUG_P1(cb, "0x81d1 = 0x%x\n", gp_status1);
6371 		/* Check for either KR, 1G, or AN up. */
6372 		link_up = ((gp_status1 >> 8) |
6373 			   (gp_status1 >> 12) |
6374 			   (gp_status1)) &
6375 			(1 << lane);
6376 		if (phy->supported & ELINK_SUPPORTED_20000baseKR2_Full) {
6377 			u16 an_link;
6378 			elink_cl45_read(cb, phy, MDIO_AN_DEVAD,
6379 					MDIO_AN_REG_STATUS, &an_link);
6380 			elink_cl45_read(cb, phy, MDIO_AN_DEVAD,
6381 					MDIO_AN_REG_STATUS, &an_link);
6382 			link_up |= (an_link & (1<<2));
6383 		}
6384 		if (link_up && ELINK_SINGLE_MEDIA_DIRECT(params)) {
6385 			u16 pd, gp_status4;
6386 			if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
6387 				/* Check Autoneg complete */
6388 				elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
6389 						MDIO_WC_REG_GP2_STATUS_GP_2_4,
6390 						&gp_status4);
6391 				if (gp_status4 & ((1<<12)<<lane))
6392 					vars->link_status |=
6393 					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6394 
6395 				/* Check parallel detect used */
6396 				elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
6397 						MDIO_WC_REG_PAR_DET_10G_STATUS,
6398 						&pd);
6399 				if (pd & (1<<15))
6400 					vars->link_status |=
6401 					LINK_STATUS_PARALLEL_DETECTION_USED;
6402 			}
6403 			elink_ext_phy_resolve_fc(phy, params, vars);
6404 			vars->duplex = duplex;
6405 		}
6406 	}
6407 
6408 	if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
6409 	    ELINK_SINGLE_MEDIA_DIRECT(params)) {
6410 		u16 val;
6411 
6412 		elink_cl45_read(cb, phy, MDIO_AN_DEVAD,
6413 				MDIO_AN_REG_LP_AUTO_NEG2, &val);
6414 
6415 		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
6416 			vars->link_status |=
6417 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
6418 		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
6419 			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
6420 			vars->link_status |=
6421 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
6422 
6423 		elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
6424 				MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
6425 
6426 		if (val & MDIO_OVER_1G_UP1_2_5G)
6427 			vars->link_status |=
6428 				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
6429 		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
6430 			vars->link_status |=
6431 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
6432 
6433 	}
6434 
6435 
6436 	if (lane < 2) {
6437 		elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
6438 				MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
6439 	} else {
6440 		elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
6441 				MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
6442 	}
6443 	ELINK_DEBUG_P2(cb, "lane %d gp_speed 0x%x\n", lane, gp_speed);
6444 
6445 	if ((lane & 1) == 0)
6446 		gp_speed <<= 8;
6447 	gp_speed &= 0x3f00;
6448 	link_up = !!link_up;
6449 
6450 	/* Reset the TX FIFO to fix SGMII issue */
6451 	rc = elink_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
6452 					 duplex);
6453 
6454 	/* In case of KR link down, start up the recovering procedure */
6455 	if ((!link_up) && (phy->media_type == ELINK_ETH_PHY_KR) &&
6456 	    (!(phy->flags & ELINK_FLAGS_WC_DUAL_MODE)))
6457 		vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
6458 
6459 	ELINK_DEBUG_P3(cb, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
6460 		   vars->duplex, vars->flow_ctrl, vars->link_status);
6461 	return rc;
6462 }
6463 #endif /* #ifndef EXCLUDE_WARPCORE */
6464 #ifndef EXCLUDE_XGXS
6465 static void elink_set_gmii_tx_driver(struct elink_params *params)
6466 {
6467 	struct elink_dev *cb = params->cb;
6468 	struct elink_phy *phy = &params->phy[ELINK_INT_PHY];
6469 	u16 lp_up2;
6470 	u16 tx_driver;
6471 	u16 bank;
6472 
6473 	/* Read precomp */
6474 	CL22_RD_OVER_CL45(cb, phy,
6475 			  MDIO_REG_BANK_OVER_1G,
6476 			  MDIO_OVER_1G_LP_UP2, &lp_up2);
6477 
6478 	/* Bits [10:7] at lp_up2, positioned at [15:12] */
6479 	lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
6480 		   MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
6481 		  MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
6482 
6483 	if (lp_up2 == 0)
6484 		return;
6485 
6486 	for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
6487 	      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
6488 		CL22_RD_OVER_CL45(cb, phy,
6489 				  bank,
6490 				  MDIO_TX0_TX_DRIVER, &tx_driver);
6491 
6492 		/* Replace tx_driver bits [15:12] */
6493 		if (lp_up2 !=
6494 		    (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
6495 			tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
6496 			tx_driver |= lp_up2;
6497 			CL22_WR_OVER_CL45(cb, phy,
6498 					  bank,
6499 					  MDIO_TX0_TX_DRIVER, tx_driver);
6500 		}
6501 	}
6502 }
6503 
6504 static elink_status_t elink_emac_program(struct elink_params *params,
6505 			      struct elink_vars *vars)
6506 {
6507 	struct elink_dev *cb = params->cb;
6508 	u8 port = params->port;
6509 	u16 mode = 0;
6510 
6511 	ELINK_DEBUG_P0(cb, "setting link speed & duplex\n");
6512 	elink_bits_dis(cb, GRCBASE_EMAC0 + port*0x400 +
6513 		       EMAC_REG_EMAC_MODE,
6514 		       (EMAC_MODE_25G_MODE |
6515 			EMAC_MODE_PORT_MII_10M |
6516 			EMAC_MODE_HALF_DUPLEX));
6517 	switch (vars->line_speed) {
6518 	case ELINK_SPEED_10:
6519 		mode |= EMAC_MODE_PORT_MII_10M;
6520 		break;
6521 
6522 	case ELINK_SPEED_100:
6523 		mode |= EMAC_MODE_PORT_MII;
6524 		break;
6525 
6526 	case ELINK_SPEED_1000:
6527 		mode |= EMAC_MODE_PORT_GMII;
6528 		break;
6529 
6530 	case ELINK_SPEED_2500:
6531 		mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
6532 		break;
6533 
6534 	default:
6535 		/* 10G not valid for EMAC */
6536 		ELINK_DEBUG_P1(cb, "Invalid line_speed 0x%x\n",
6537 			   vars->line_speed);
6538 		return ELINK_STATUS_ERROR;
6539 	}
6540 
6541 	if (vars->duplex == DUPLEX_HALF)
6542 		mode |= EMAC_MODE_HALF_DUPLEX;
6543 	elink_bits_en(cb,
6544 		      GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
6545 		      mode);
6546 
6547 	elink_set_led(params, vars, ELINK_LED_MODE_OPER, vars->line_speed);
6548 	return ELINK_STATUS_OK;
6549 }
6550 
6551 static void elink_set_preemphasis(struct elink_phy *phy,
6552 				  struct elink_params *params)
6553 {
6554 
6555 	u16 bank, i = 0;
6556 	struct elink_dev *cb = params->cb;
6557 
6558 	for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
6559 	      bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
6560 			CL22_WR_OVER_CL45(cb, phy,
6561 					  bank,
6562 					  MDIO_RX0_RX_EQ_BOOST,
6563 					  phy->rx_preemphasis[i]);
6564 	}
6565 
6566 	for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
6567 		      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
6568 			CL22_WR_OVER_CL45(cb, phy,
6569 					  bank,
6570 					  MDIO_TX0_TX_DRIVER,
6571 					  phy->tx_preemphasis[i]);
6572 	}
6573 }
6574 
6575 static elink_status_t
6576 elink_xgxs_config_init(struct elink_phy *phy, struct elink_params *params,
6577     struct elink_vars *vars)
6578 {
6579 #ifdef ELINK_DEBUG
6580 	struct elink_dev *cb = params->cb;
6581 #endif
6582 	u8 enable_cl73 = (ELINK_SINGLE_MEDIA_DIRECT(params) ||
6583 			  (params->loopback_mode == ELINK_LOOPBACK_XGXS));
6584 	if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
6585 		if (ELINK_SINGLE_MEDIA_DIRECT(params) &&
6586 		    (params->feature_config_flags &
6587 		     ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
6588 			elink_set_preemphasis(phy, params);
6589 
6590 		/* Forced speed requested? */
6591 		if (vars->line_speed != ELINK_SPEED_AUTO_NEG ||
6592 		    (ELINK_SINGLE_MEDIA_DIRECT(params) &&
6593 		     params->loopback_mode == ELINK_LOOPBACK_EXT)) {
6594 			ELINK_DEBUG_P0(cb, "not SGMII, no AN\n");
6595 
6596 			/* Disable autoneg */
6597 			elink_set_autoneg(phy, params, vars, 0);
6598 
6599 			/* Program speed and duplex */
6600 			elink_program_serdes(phy, params, vars);
6601 
6602 		} else { /* AN_mode */
6603 			ELINK_DEBUG_P0(cb, "not SGMII, AN\n");
6604 
6605 			/* AN enabled */
6606 			elink_set_brcm_cl37_advertisement(phy, params);
6607 
6608 			/* Program duplex & pause advertisement (for aneg) */
6609 			elink_set_ieee_aneg_advertisement(phy, params,
6610 							  vars->ieee_fc);
6611 
6612 			/* Enable autoneg */
6613 			elink_set_autoneg(phy, params, vars, enable_cl73);
6614 
6615 			/* Enable and restart AN */
6616 			elink_restart_autoneg(phy, params, enable_cl73);
6617 		}
6618 
6619 	} else { /* SGMII mode */
6620 		ELINK_DEBUG_P0(cb, "SGMII\n");
6621 
6622 		elink_initialize_sgmii_process(phy, params, vars);
6623 	}
6624 	return (ELINK_STATUS_OK);
6625 }
6626 
6627 static elink_status_t elink_prepare_xgxs(struct elink_phy *phy,
6628 			  struct elink_params *params,
6629 			  struct elink_vars *vars)
6630 {
6631 	elink_status_t rc;
6632 	vars->phy_flags |= PHY_XGXS_FLAG;
6633 	if ((phy->req_line_speed &&
6634 	     ((phy->req_line_speed == ELINK_SPEED_100) ||
6635 	      (phy->req_line_speed == ELINK_SPEED_10))) ||
6636 	    (!phy->req_line_speed &&
6637 	     (phy->speed_cap_mask >=
6638 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
6639 	     (phy->speed_cap_mask <
6640 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
6641 	    (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
6642 		vars->phy_flags |= PHY_SGMII_FLAG;
6643 	else
6644 		vars->phy_flags &= ~PHY_SGMII_FLAG;
6645 
6646 	elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
6647 	elink_set_aer_mmd(params, phy);
6648 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
6649 		elink_set_master_ln(params, phy);
6650 
6651 	rc = elink_reset_unicore(params, phy, 0);
6652 	/* Reset the SerDes and wait for reset bit return low */
6653 	if (rc != ELINK_STATUS_OK)
6654 		return rc;
6655 
6656 	elink_set_aer_mmd(params, phy);
6657 	/* Setting the masterLn_def again after the reset */
6658 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
6659 		elink_set_master_ln(params, phy);
6660 		elink_set_swap_lanes(params, phy);
6661 	}
6662 
6663 	return rc;
6664 }
6665 #endif // #ifndef EXCLUDE_NON_COMMON_INIT
6666 #endif /* EXCLUDE_XGXS */
6667 
6668 #ifndef EXCLUDE_NON_COMMON_INIT
6669 #ifndef ELINK_EMUL_ONLY
6670 static u16 elink_wait_reset_complete(struct elink_dev *cb,
6671 				     struct elink_phy *phy,
6672 				     struct elink_params *params)
6673 {
6674 	u16 cnt, ctrl;
6675 	/* Wait for soft reset to get cleared up to 1 sec */
6676 	for (cnt = 0; cnt < 1000; cnt++) {
6677 #ifndef EXCLUDE_BCM54618SE
6678 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6679 			elink_cl22_read(cb, phy,
6680 				MDIO_PMA_REG_CTRL, &ctrl);
6681 		else
6682 #endif
6683 			elink_cl45_read(cb, phy,
6684 				MDIO_PMA_DEVAD,
6685 				MDIO_PMA_REG_CTRL, &ctrl);
6686 		if (!(ctrl & (1<<15)))
6687 			break;
6688 		MSLEEP(cb, 1);
6689 	}
6690 
6691 	if (cnt == 1000)
6692 		elink_cb_event_log(cb, ELINK_LOG_ID_PHY_UNINITIALIZED, params->port); // "Warning: PHY was not initialized,"
6693 				     // " Port %d\n",
6694 
6695 	ELINK_DEBUG_P2(cb, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
6696 	return cnt;
6697 }
6698 #endif /* ELINK_EMUL_ONLY */
6699 
6700 static void elink_link_int_enable(struct elink_params *params)
6701 {
6702 	u8 port = params->port;
6703 	u32 mask;
6704 	struct elink_dev *cb = params->cb;
6705 
6706 	/* Setting the status to report on link up for either XGXS or SerDes */
6707 	if (CHIP_IS_E3(params->chip_id)) {
6708 		mask = ELINK_NIG_MASK_XGXS0_LINK_STATUS;
6709 		if (!(ELINK_SINGLE_MEDIA_DIRECT(params)))
6710 			mask |= ELINK_NIG_MASK_MI_INT;
6711 	} else if (params->switch_cfg == ELINK_SWITCH_CFG_10G) {
6712 		mask = (ELINK_NIG_MASK_XGXS0_LINK10G |
6713 			ELINK_NIG_MASK_XGXS0_LINK_STATUS);
6714 		ELINK_DEBUG_P0(cb, "enabled XGXS interrupt\n");
6715 		if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) &&
6716 			params->phy[ELINK_INT_PHY].type !=
6717 				PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
6718 			mask |= ELINK_NIG_MASK_MI_INT;
6719 			ELINK_DEBUG_P0(cb, "enabled external phy int\n");
6720 		}
6721 
6722 	} else { /* SerDes */
6723 		mask = ELINK_NIG_MASK_SERDES0_LINK_STATUS;
6724 		ELINK_DEBUG_P0(cb, "enabled SerDes interrupt\n");
6725 		if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) &&
6726 			params->phy[ELINK_INT_PHY].type !=
6727 				PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
6728 			mask |= ELINK_NIG_MASK_MI_INT;
6729 			ELINK_DEBUG_P0(cb, "enabled external phy int\n");
6730 		}
6731 	}
6732 	elink_bits_en(cb,
6733 		      NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6734 		      mask);
6735 
6736 	ELINK_DEBUG_P3(cb, "port %x, is_xgxs %x, int_status 0x%x\n", port,
6737 		 (params->switch_cfg == ELINK_SWITCH_CFG_10G),
6738 		 REG_RD(cb, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6739 	ELINK_DEBUG_P3(cb, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
6740 		 REG_RD(cb, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6741 		 REG_RD(cb, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
6742 		 REG_RD(cb, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
6743 	ELINK_DEBUG_P2(cb, " 10G %x, XGXS_LINK %x\n",
6744 	   REG_RD(cb, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6745 	   REG_RD(cb, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6746 }
6747 
6748 static void elink_rearm_latch_signal(struct elink_dev *cb, u8 port,
6749 				     u8 exp_mi_int)
6750 {
6751 	u32 latch_status = 0;
6752 
6753 	/* Disable the MI INT ( external phy int ) by writing 1 to the
6754 	 * status register. Link down indication is high-active-signal,
6755 	 * so in this case we need to write the status to clear the XOR
6756 	 */
6757 	/* Read Latched signals */
6758 	latch_status = REG_RD(cb,
6759 				    NIG_REG_LATCH_STATUS_0 + port*8);
6760 	ELINK_DEBUG_P1(cb, "latch_status = 0x%x\n", latch_status);
6761 	/* Handle only those with latched-signal=up.*/
6762 	if (exp_mi_int)
6763 		elink_bits_en(cb,
6764 			      NIG_REG_STATUS_INTERRUPT_PORT0
6765 			      + port*4,
6766 			      ELINK_NIG_STATUS_EMAC0_MI_INT);
6767 	else
6768 		elink_bits_dis(cb,
6769 			       NIG_REG_STATUS_INTERRUPT_PORT0
6770 			       + port*4,
6771 			       ELINK_NIG_STATUS_EMAC0_MI_INT);
6772 
6773 	if (latch_status & 1) {
6774 
6775 		/* For all latched-signal=up : Re-Arm Latch signals */
6776 		REG_WR(cb, NIG_REG_LATCH_STATUS_0 + port*8,
6777 		       (latch_status & 0xfffe) | (latch_status & 1));
6778 	}
6779 	/* For all latched-signal=up,Write original_signal to status */
6780 }
6781 
6782 static void elink_link_int_ack(struct elink_params *params,
6783 			       struct elink_vars *vars, u8 is_10g_plus)
6784 {
6785 	struct elink_dev *cb = params->cb;
6786 	u8 port = params->port;
6787 	u32 mask;
6788 	/* First reset all status we assume only one line will be
6789 	 * change at a time
6790 	 */
6791 	elink_bits_dis(cb, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6792 		       (ELINK_NIG_STATUS_XGXS0_LINK10G |
6793 			ELINK_NIG_STATUS_XGXS0_LINK_STATUS |
6794 			ELINK_NIG_STATUS_SERDES0_LINK_STATUS));
6795 	if (vars->phy_link_up) {
6796 		if (ELINK_USES_WARPCORE(params->chip_id))
6797 			mask = ELINK_NIG_STATUS_XGXS0_LINK_STATUS;
6798 		else {
6799 			if (is_10g_plus)
6800 				mask = ELINK_NIG_STATUS_XGXS0_LINK10G;
6801 			else if (params->switch_cfg == ELINK_SWITCH_CFG_10G) {
6802 				/* Disable the link interrupt by writing 1 to
6803 				 * the relevant lane in the status register
6804 				 */
6805 				u32 ser_lane =
6806 					((params->lane_config &
6807 				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6808 				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
6809 				mask = ((1 << ser_lane) <<
6810 				       ELINK_NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6811 			} else
6812 				mask = ELINK_NIG_STATUS_SERDES0_LINK_STATUS;
6813 		}
6814 		ELINK_DEBUG_P1(cb, "Ack link up interrupt with mask 0x%x\n",
6815 			       mask);
6816 		elink_bits_en(cb,
6817 			      NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6818 			      mask);
6819 	}
6820 }
6821 
6822 #if !defined(ELINK_EMUL_ONLY) && (!defined(EXCLUDE_BCM8727_BCM8073) || !defined(EXCLUDE_SFX7101) || !defined(EXCLUDE_BCM8705) || !defined(EXCLUDE_BCM87x6))
6823 static elink_status_t
6824 elink_format_ver(u32 num, u8 *str, u16 *len)
6825 {
6826 #ifdef ELINK_ENHANCEMENTS
6827 	u8 *str_ptr = str;
6828 	u32 mask = 0xf0000000;
6829 	u8 shift = 8*4;
6830 	u8 digit;
6831 	u8 remove_leading_zeros = 1;
6832 	if (*len < 10) {
6833 		/* Need more than 10chars for this format */
6834 		*str_ptr = '\0';
6835 		(*len)--;
6836 		return ELINK_STATUS_ERROR;
6837 	}
6838 	while (shift > 0) {
6839 
6840 		shift -= 4;
6841 		digit = ((num & mask) >> shift);
6842 		if (digit == 0 && remove_leading_zeros) {
6843 			mask = mask >> 4;
6844 			continue;
6845 		} else if (digit < 0xa)
6846 			*str_ptr = digit + '0';
6847 		else
6848 			*str_ptr = digit - 0xa + 'a';
6849 		remove_leading_zeros = 0;
6850 		str_ptr++;
6851 		(*len)--;
6852 		mask = mask >> 4;
6853 		if (shift == 4*4) {
6854 			*str_ptr = '.';
6855 			str_ptr++;
6856 			(*len)--;
6857 			remove_leading_zeros = 1;
6858 		}
6859 	}
6860 #endif /* ELINK_ENHANCEMENTS */
6861 	return ELINK_STATUS_OK;
6862 }
6863 #endif /* ELINK_EMUL_ONLY */
6864 
6865 
6866 #ifndef EXCLUDE_BCM8705
6867 static elink_status_t
6868 elink_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
6869 {
6870 #ifdef ELINK_ENHANCEMENTS
6871 	str[0] = '\0';
6872 	(*len)--;
6873 #endif // ELINK_ENHANCEMENTS
6874 	return ELINK_STATUS_OK;
6875 }
6876 #endif // EXCLUDE_BCM8705
6877 
6878 #ifdef ELINK_ENHANCEMENTS
6879 elink_status_t elink_get_ext_phy_fw_version(struct elink_params *params, u8 *version,
6880 				 u16 len)
6881 {
6882 	struct elink_dev *cb;
6883 	u32 spirom_ver = 0;
6884 	elink_status_t status = ELINK_STATUS_OK;
6885 	u8 *ver_p = version;
6886 	u16 remain_len = len;
6887 	if (version == NULL || params == NULL)
6888 		return ELINK_STATUS_ERROR;
6889 	cb = params->cb;
6890 
6891 	/* Extract first external phy*/
6892 	version[0] = '\0';
6893 	spirom_ver = REG_RD(cb, params->phy[ELINK_EXT_PHY1].ver_addr);
6894 
6895 	if (params->phy[ELINK_EXT_PHY1].format_fw_ver) {
6896 		status |= params->phy[ELINK_EXT_PHY1].format_fw_ver(spirom_ver,
6897 							      ver_p,
6898 							      &remain_len);
6899 		ver_p += (len - remain_len);
6900 	}
6901 	if ((params->num_phys == ELINK_MAX_PHYS) &&
6902 	    (params->phy[ELINK_EXT_PHY2].ver_addr != 0)) {
6903 		spirom_ver = REG_RD(cb, params->phy[ELINK_EXT_PHY2].ver_addr);
6904 		if (params->phy[ELINK_EXT_PHY2].format_fw_ver) {
6905 			*ver_p = '/';
6906 			ver_p++;
6907 			remain_len--;
6908 			status |= params->phy[ELINK_EXT_PHY2].format_fw_ver(
6909 				spirom_ver,
6910 				ver_p,
6911 				&remain_len);
6912 			ver_p = version + (len - remain_len);
6913 		}
6914 	}
6915 	*ver_p = '\0';
6916 	return status;
6917 }
6918 #endif // ELINK_ENHANCEMENTS
6919 
6920 #ifndef EXCLUDE_XGXS
6921 static void elink_set_xgxs_loopback(struct elink_phy *phy,
6922 				    struct elink_params *params)
6923 {
6924 #ifdef ELINK_INCLUDE_LOOPBACK
6925 	u8 port = params->port;
6926 	struct elink_dev *cb = params->cb;
6927 
6928 	if (phy->req_line_speed != ELINK_SPEED_1000) {
6929 		u32 md_devad = 0;
6930 
6931 		ELINK_DEBUG_P0(cb, "XGXS 10G loopback enable\n");
6932 
6933 		if (!CHIP_IS_E3(params->chip_id)) {
6934 			/* Change the uni_phy_addr in the nig */
6935 			md_devad = REG_RD(cb, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6936 					       port*0x18));
6937 
6938 			REG_WR(cb, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6939 			       0x5);
6940 		}
6941 
6942 		elink_cl45_write(cb, phy,
6943 				 5,
6944 				 (MDIO_REG_BANK_AER_BLOCK +
6945 				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
6946 				 0x2800);
6947 
6948 		elink_cl45_write(cb, phy,
6949 				 5,
6950 				 (MDIO_REG_BANK_CL73_IEEEB0 +
6951 				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6952 				 0x6041);
6953 		MSLEEP(cb, 200);
6954 		/* Set aer mmd back */
6955 		elink_set_aer_mmd(params, phy);
6956 
6957 		if (!CHIP_IS_E3(params->chip_id)) {
6958 			/* And md_devad */
6959 			REG_WR(cb, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6960 			       md_devad);
6961 		}
6962 	} else {
6963 		u16 mii_ctrl;
6964 		ELINK_DEBUG_P0(cb, "XGXS 1G loopback enable\n");
6965 		elink_cl45_read(cb, phy, 5,
6966 				(MDIO_REG_BANK_COMBO_IEEE0 +
6967 				(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6968 				&mii_ctrl);
6969 		elink_cl45_write(cb, phy, 5,
6970 				 (MDIO_REG_BANK_COMBO_IEEE0 +
6971 				 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6972 				 mii_ctrl |
6973 				 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
6974 	}
6975 #endif // ELINK_INCLUDE_LOOPBACK
6976 }
6977 #endif /* EXCLUDE_XGXS */
6978 
6979 elink_status_t elink_set_led(struct elink_params *params,
6980 		  struct elink_vars *vars, u8 mode, u32 speed)
6981 {
6982 	u8 port = params->port;
6983 	u16 hw_led_mode = params->hw_led_mode;
6984 	elink_status_t rc = ELINK_STATUS_OK;
6985 	u8 phy_idx;
6986 	u32 tmp;
6987 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6988 	struct elink_dev *cb = params->cb;
6989 	ELINK_DEBUG_P2(cb, "elink_set_led: port %x, mode %d\n", port, mode);
6990 	ELINK_DEBUG_P2(cb, "speed 0x%x, hw_led_mode 0x%x\n",
6991 		 speed, hw_led_mode);
6992 	/* In case */
6993 	for (phy_idx = ELINK_EXT_PHY1; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
6994 		if (params->phy[phy_idx].set_link_led) {
6995 			params->phy[phy_idx].set_link_led(
6996 				&params->phy[phy_idx], params, mode);
6997 		}
6998 	}
6999 #ifdef ELINK_INCLUDE_EMUL
7000 	if (params->feature_config_flags &
7001 	    ELINK_FEATURE_CONFIG_EMUL_DISABLE_EMAC)
7002 		return rc;
7003 #endif
7004 
7005 	switch (mode) {
7006 	case ELINK_LED_MODE_FRONT_PANEL_OFF:
7007 	case ELINK_LED_MODE_OFF:
7008 		REG_WR(cb, NIG_REG_LED_10G_P0 + port*4, 0);
7009 		REG_WR(cb, NIG_REG_LED_MODE_P0 + port*4,
7010 		       SHARED_HW_CFG_LED_MAC1);
7011 
7012 		tmp = EMAC_RD(cb, EMAC_REG_EMAC_LED);
7013 		if (params->phy[ELINK_EXT_PHY1].type ==
7014 			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
7015 			tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
7016 				EMAC_LED_100MB_OVERRIDE |
7017 				EMAC_LED_10MB_OVERRIDE);
7018 		else
7019 			tmp |= EMAC_LED_OVERRIDE;
7020 
7021 		EMAC_WR(cb, EMAC_REG_EMAC_LED, tmp);
7022 		break;
7023 
7024 	case ELINK_LED_MODE_OPER:
7025 		/* For all other phys, OPER mode is same as ON, so in case
7026 		 * link is down, do nothing
7027 		 */
7028 		if (!vars->link_up)
7029 			break;
7030 		/* FALLTHROUGH */
7031 	case ELINK_LED_MODE_ON:
7032 		if (((params->phy[ELINK_EXT_PHY1].type ==
7033 			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
7034 			 (params->phy[ELINK_EXT_PHY1].type ==
7035 			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
7036 		    CHIP_IS_E2(params->chip_id) && params->num_phys == 2) {
7037 			/* This is a work-around for E2+8727 Configurations */
7038 			if (mode == ELINK_LED_MODE_ON ||
7039 				speed == ELINK_SPEED_10000){
7040 				REG_WR(cb, NIG_REG_LED_MODE_P0 + port*4, 0);
7041 				REG_WR(cb, NIG_REG_LED_10G_P0 + port*4, 1);
7042 
7043 				tmp = EMAC_RD(cb, EMAC_REG_EMAC_LED);
7044 				EMAC_WR(cb, EMAC_REG_EMAC_LED,
7045 					(tmp | EMAC_LED_OVERRIDE));
7046 				/* Return here without enabling traffic
7047 				 * LED blink and setting rate in ON mode.
7048 				 * In oper mode, enabling LED blink
7049 				 * and setting rate is needed.
7050 				 */
7051 				if (mode == ELINK_LED_MODE_ON)
7052 					return rc;
7053 			}
7054 		} else if (ELINK_SINGLE_MEDIA_DIRECT(params)) {
7055 			/* This is a work-around for HW issue found when link
7056 			 * is up in CL73
7057 			 */
7058 			if ((!CHIP_IS_E3(params->chip_id)) ||
7059 			    (CHIP_IS_E3(params->chip_id) &&
7060 			     mode == ELINK_LED_MODE_ON))
7061 				REG_WR(cb, NIG_REG_LED_10G_P0 + port*4, 1);
7062 
7063 			if (CHIP_IS_E1X(params->chip_id) ||
7064 			    CHIP_IS_E2(params->chip_id) ||
7065 			    (mode == ELINK_LED_MODE_ON))
7066 				REG_WR(cb, NIG_REG_LED_MODE_P0 + port*4, 0);
7067 			else
7068 				REG_WR(cb, NIG_REG_LED_MODE_P0 + port*4,
7069 				       hw_led_mode);
7070 		} else if ((params->phy[ELINK_EXT_PHY1].type ==
7071 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
7072 			   (mode == ELINK_LED_MODE_ON)) {
7073 			REG_WR(cb, NIG_REG_LED_MODE_P0 + port*4, 0);
7074 			tmp = EMAC_RD(cb, EMAC_REG_EMAC_LED);
7075 			EMAC_WR(cb, EMAC_REG_EMAC_LED, tmp |
7076 				EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
7077 			/* Break here; otherwise, it'll disable the
7078 			 * intended override.
7079 			 */
7080 			break;
7081 		} else {
7082 			u32 nig_led_mode = ((params->hw_led_mode <<
7083 					     SHARED_HW_CFG_LED_MODE_SHIFT) ==
7084 					    SHARED_HW_CFG_LED_EXTPHY2) ?
7085 				(SHARED_HW_CFG_LED_PHY1 >>
7086 				 SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
7087 			REG_WR(cb, NIG_REG_LED_MODE_P0 + port*4,
7088 			       nig_led_mode);
7089 		}
7090 
7091 		REG_WR(cb, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
7092 		/* Set blinking rate to ~15.9Hz */
7093 		if (CHIP_IS_E3(params->chip_id))
7094 			REG_WR(cb, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
7095 			       LED_BLINK_RATE_VAL_E3);
7096 		else
7097 			REG_WR(cb, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
7098 			       LED_BLINK_RATE_VAL_E1X_E2);
7099 		REG_WR(cb, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
7100 		       port*4, 1);
7101 		tmp = EMAC_RD(cb, EMAC_REG_EMAC_LED);
7102 		EMAC_WR(cb, EMAC_REG_EMAC_LED,
7103 			(tmp & (~EMAC_LED_OVERRIDE)));
7104 
7105 #ifndef ELINK_AUX_POWER
7106 		if (CHIP_IS_E1(params->chip_id) &&
7107 		    ((speed == ELINK_SPEED_2500) ||
7108 		     (speed == ELINK_SPEED_1000) ||
7109 		     (speed == ELINK_SPEED_100) ||
7110 		     (speed == ELINK_SPEED_10))) {
7111 			/* For speeds less than 10G LED scheme is different */
7112 			REG_WR(cb, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
7113 			       + port*4, 1);
7114 			REG_WR(cb, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
7115 			       port*4, 0);
7116 			REG_WR(cb, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
7117 			       port*4, 1);
7118 		}
7119 #endif // ELINK_AUX_POWER
7120 		break;
7121 
7122 	default:
7123 		rc = ELINK_STATUS_ERROR;
7124 		ELINK_DEBUG_P1(cb, "elink_set_led: Invalid led mode %d\n",
7125 			 mode);
7126 		break;
7127 	}
7128 	return rc;
7129 
7130 }
7131 
7132 #endif // EXCLUDE_NON_COMMON_INIT
7133 #ifdef ELINK_ENHANCEMENTS
7134 /* This function comes to reflect the actual link state read DIRECTLY from the
7135  * HW
7136  */
7137 elink_status_t elink_test_link(struct elink_params *params, struct elink_vars *vars,
7138 		    u8 is_serdes)
7139 {
7140 	struct elink_dev *cb = params->cb;
7141 	u16 gp_status = 0, phy_index = 0;
7142 	u8 ext_phy_link_up = 0, serdes_phy_type;
7143 	struct elink_vars temp_vars;
7144 	struct elink_phy *int_phy = &params->phy[ELINK_INT_PHY];
7145 #ifdef ELINK_INCLUDE_FPGA
7146 	if (CHIP_REV_IS_FPGA(params->chip_id))
7147 		return ELINK_STATUS_OK;
7148 #endif /* ELINK_INCLUDE_FPGA */
7149 #ifdef ELINK_INCLUDE_EMUL
7150 	if (CHIP_REV_IS_EMUL(params->chip_id))
7151 		return ELINK_STATUS_OK;
7152 #endif /* ELINK_INCLUDE_EMUL */
7153 
7154 	if (CHIP_IS_E3(params->chip_id)) {
7155 		u16 link_up;
7156 		if (params->req_line_speed[ELINK_LINK_CONFIG_IDX(ELINK_INT_PHY)]
7157 		    > ELINK_SPEED_10000) {
7158 			/* Check 20G link */
7159 			elink_cl45_read(cb, int_phy, MDIO_WC_DEVAD,
7160 					1, &link_up);
7161 			elink_cl45_read(cb, int_phy, MDIO_WC_DEVAD,
7162 					1, &link_up);
7163 			link_up &= (1<<2);
7164 		} else {
7165 			/* Check 10G link and below*/
7166 			u8 lane = elink_get_warpcore_lane(int_phy, params);
7167 			elink_cl45_read(cb, int_phy, MDIO_WC_DEVAD,
7168 					MDIO_WC_REG_GP2_STATUS_GP_2_1,
7169 					&gp_status);
7170 			gp_status = ((gp_status >> 8) & 0xf) |
7171 				((gp_status >> 12) & 0xf);
7172 			link_up = gp_status & (1 << lane);
7173 		}
7174 		if (!link_up)
7175 			return ELINK_STATUS_NO_LINK;
7176 	} else {
7177 		CL22_RD_OVER_CL45(cb, int_phy,
7178 			  MDIO_REG_BANK_GP_STATUS,
7179 			  MDIO_GP_STATUS_TOP_AN_STATUS1,
7180 			  &gp_status);
7181 	/* Link is up only if both local phy and external phy are up */
7182 	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
7183 		return ELINK_STATUS_NO_LINK;
7184 	}
7185 	/* In XGXS loopback mode, do not check external PHY */
7186 	if (params->loopback_mode == ELINK_LOOPBACK_XGXS)
7187 		return ELINK_STATUS_OK;
7188 
7189 	switch (params->num_phys) {
7190 	case 1:
7191 		/* No external PHY */
7192 		return ELINK_STATUS_OK;
7193 	case 2:
7194 		ext_phy_link_up = params->phy[ELINK_EXT_PHY1].read_status(
7195 			&params->phy[ELINK_EXT_PHY1],
7196 			params, &temp_vars);
7197 		break;
7198 	case 3: /* Dual Media */
7199 		for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
7200 		      phy_index++) {
7201 			serdes_phy_type = ((params->phy[phy_index].media_type ==
7202 					    ELINK_ETH_PHY_SFPP_10G_FIBER) ||
7203 					   (params->phy[phy_index].media_type ==
7204 					    ELINK_ETH_PHY_SFP_1G_FIBER) ||
7205 					   (params->phy[phy_index].media_type ==
7206 					    ELINK_ETH_PHY_XFP_FIBER) ||
7207 					   (params->phy[phy_index].media_type ==
7208 					    ELINK_ETH_PHY_DA_TWINAX));
7209 
7210 			if (is_serdes != serdes_phy_type)
7211 				continue;
7212 			if (params->phy[phy_index].read_status) {
7213 				ext_phy_link_up |=
7214 					params->phy[phy_index].read_status(
7215 						&params->phy[phy_index],
7216 						params, &temp_vars);
7217 			}
7218 		}
7219 		break;
7220 	}
7221 	if (ext_phy_link_up)
7222 		return ELINK_STATUS_OK;
7223 	return ELINK_STATUS_NO_LINK;
7224 }
7225 #endif // ELINK_ENHANCEMENT
7226 
7227 #ifndef EXCLUDE_NON_COMMON_INIT
7228 static elink_status_t elink_link_initialize(struct elink_params *params,
7229 				 struct elink_vars *vars)
7230 {
7231 	u8 phy_index, non_ext_phy;
7232 	struct elink_dev *cb = params->cb;
7233 	/* In case of external phy existence, the line speed would be the
7234 	 * line speed linked up by the external phy. In case it is direct
7235 	 * only, then the line_speed during initialization will be
7236 	 * equal to the req_line_speed
7237 	 */
7238 	vars->line_speed = params->phy[ELINK_INT_PHY].req_line_speed;
7239 
7240 	/* Initialize the internal phy in case this is a direct board
7241 	 * (no external phys), or this board has external phy which requires
7242 	 * to first.
7243 	 */
7244 #ifndef EXCLUDE_XGXS
7245 	if (!ELINK_USES_WARPCORE(params->chip_id))
7246 		elink_prepare_xgxs(&params->phy[ELINK_INT_PHY], params, vars);
7247 #endif // EXCLUDE_XGXS
7248 	/* init ext phy and enable link state int */
7249 	non_ext_phy = (ELINK_SINGLE_MEDIA_DIRECT(params) ||
7250 		       (params->loopback_mode == ELINK_LOOPBACK_XGXS));
7251 
7252 	if (non_ext_phy ||
7253 	    (params->phy[ELINK_EXT_PHY1].flags & ELINK_FLAGS_INIT_XGXS_FIRST) ||
7254 	    (params->loopback_mode == ELINK_LOOPBACK_EXT_PHY)) {
7255 		struct elink_phy *phy = &params->phy[ELINK_INT_PHY];
7256 #ifndef EXCLUDE_XGXS
7257 		if (vars->line_speed == ELINK_SPEED_AUTO_NEG &&
7258 		    (CHIP_IS_E1X(params->chip_id) ||
7259 		     CHIP_IS_E2(params->chip_id)))
7260 			elink_set_parallel_detection(phy, params);
7261 #endif // EXCLUDE_XGXS
7262 		if (params->phy[ELINK_INT_PHY].config_init)
7263 			params->phy[ELINK_INT_PHY].config_init(phy, params, vars);
7264 	}
7265 
7266 	/* Re-read this value in case it was changed inside config_init due to
7267 	 * limitations of optic module
7268 	 */
7269 	vars->line_speed = params->phy[ELINK_INT_PHY].req_line_speed;
7270 
7271 	/* Init external phy*/
7272 	if (non_ext_phy) {
7273 		if (params->phy[ELINK_INT_PHY].supported &
7274 		    ELINK_SUPPORTED_FIBRE)
7275 			vars->link_status |= LINK_STATUS_SERDES_LINK;
7276 	} else {
7277 		for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
7278 		      phy_index++) {
7279 			/* No need to initialize second phy in case of first
7280 			 * phy only selection. In case of second phy, we do
7281 			 * need to initialize the first phy, since they are
7282 			 * connected.
7283 			 */
7284 			if (params->phy[phy_index].supported &
7285 			    ELINK_SUPPORTED_FIBRE)
7286 				vars->link_status |= LINK_STATUS_SERDES_LINK;
7287 
7288 			if (phy_index == ELINK_EXT_PHY2 &&
7289 			    (elink_phy_selection(params) ==
7290 			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
7291 				ELINK_DEBUG_P0(cb,
7292 				   "Not initializing second phy\n");
7293 				continue;
7294 			}
7295 			params->phy[phy_index].config_init(
7296 				&params->phy[phy_index],
7297 				params, vars);
7298 		}
7299 	}
7300 	/* Reset the interrupt indication after phy was initialized */
7301 	elink_bits_dis(cb, NIG_REG_STATUS_INTERRUPT_PORT0 +
7302 		       params->port*4,
7303 		       (ELINK_NIG_STATUS_XGXS0_LINK10G |
7304 			ELINK_NIG_STATUS_XGXS0_LINK_STATUS |
7305 			ELINK_NIG_STATUS_SERDES0_LINK_STATUS |
7306 			ELINK_NIG_MASK_MI_INT));
7307 	return ELINK_STATUS_OK;
7308 }
7309 
7310 #ifndef EXCLUDE_XGXS
7311 static void elink_int_link_reset(struct elink_phy *phy,
7312 				 struct elink_params *params)
7313 {
7314 #ifndef EXCLUDE_LINK_RESET
7315 	/* Reset the SerDes/XGXS */
7316 	REG_WR(params->cb, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
7317 	       (0x1ff << (params->port*16)));
7318 #endif // EXCLUDE_LINK_RESET
7319 }
7320 #endif // EXCLUDE_XGXS
7321 
7322 #if (!defined ELINK_EMUL_ONLY) && ((!defined EXCLUDE_BCM87x6) || (!defined EXCLUDE_SFX7101) || (!defined EXCLUDE_BCM8705))
7323 static void elink_common_ext_link_reset(struct elink_phy *phy,
7324 					struct elink_params *params)
7325 {
7326 #ifndef EXCLUDE_LINK_RESET
7327 	struct elink_dev *cb = params->cb;
7328 	u8 gpio_port;
7329 	/* HW reset */
7330 	if (CHIP_IS_E2(params->chip_id))
7331 		gpio_port = PATH_ID(cb);
7332 	else
7333 		gpio_port = params->port;
7334 	ELINK_SET_GPIO(cb, MISC_REGISTERS_GPIO_1,
7335 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
7336 		       gpio_port);
7337 	ELINK_SET_GPIO(cb, MISC_REGISTERS_GPIO_2,
7338 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
7339 		       gpio_port);
7340 	ELINK_DEBUG_P0(cb, "reset external PHY\n");
7341 #endif /* EXCLUDE_LINK_RESET */
7342 }
7343 #endif /* ELINK_EMUL_ONLY */
7344 
7345 static elink_status_t elink_update_link_down(struct elink_params *params,
7346 				  struct elink_vars *vars)
7347 {
7348 	struct elink_dev *cb = params->cb;
7349 	u8 port = params->port;
7350 
7351 	ELINK_DEBUG_P1(cb, "Port %x: Link is down\n", port);
7352 	elink_set_led(params, vars, ELINK_LED_MODE_OFF, 0);
7353 	vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
7354 	/* Indicate no mac active */
7355 	vars->mac_type = ELINK_MAC_TYPE_NONE;
7356 
7357 	/* Update shared memory */
7358 	vars->link_status &= ~ELINK_LINK_UPDATE_MASK;
7359 	vars->line_speed = 0;
7360 	elink_update_mng(params, vars->link_status);
7361 
7362 	/* Activate nig drain */
7363 	REG_WR(cb, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
7364 
7365 	/* Disable emac */
7366 	if (!CHIP_IS_E3(params->chip_id))
7367 		REG_WR(cb, NIG_REG_NIG_EMAC0_EN + port*4, 0);
7368 
7369 	MSLEEP(cb, 10);
7370 #if !defined(EXCLUDE_BMAC2) && !defined(EXCLUDE_BMAC1)
7371 	/* Reset BigMac/Xmac */
7372 	if (CHIP_IS_E1X(params->chip_id) ||
7373 	    CHIP_IS_E2(params->chip_id))
7374 		elink_set_bmac_rx(cb, params->chip_id, params->port, 0);
7375 #endif // #if !defined(EXCLUDE_BMAC2) && !defined(EXCLUDE_BMAC1)
7376 
7377 #ifndef EXCLUDE_WARPCORE
7378 	if (CHIP_IS_E3(params->chip_id)) {
7379 		/* Prevent LPI Generation by chip */
7380 		REG_WR(cb, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
7381 		       0);
7382 		REG_WR(cb, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
7383 		       0);
7384 		vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
7385 				      SHMEM_EEE_ACTIVE_BIT);
7386 
7387 		elink_update_mng_eee(params, vars->eee_status);
7388 		elink_set_xmac_rxtx(params, 0);
7389 		elink_set_umac_rxtx(params, 0);
7390 	}
7391 #endif // EXCLUDE_WARPCORE
7392 
7393 	return ELINK_STATUS_OK;
7394 }
7395 
7396 static elink_status_t elink_update_link_up(struct elink_params *params,
7397 				struct elink_vars *vars,
7398 				u8 link_10g)
7399 {
7400 	struct elink_dev *cb = params->cb;
7401 	u8 phy_idx, port = params->port;
7402 	elink_status_t rc = ELINK_STATUS_OK;
7403 
7404 	vars->link_status |= (LINK_STATUS_LINK_UP |
7405 			      LINK_STATUS_PHYSICAL_LINK_FLAG);
7406 	vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
7407 
7408 	if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)
7409 		vars->link_status |=
7410 			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
7411 
7412 	if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)
7413 		vars->link_status |=
7414 			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
7415 #ifndef EXCLUDE_WARPCORE
7416 	if (ELINK_USES_WARPCORE(params->chip_id)) {
7417 		if (link_10g) {
7418 			if (elink_xmac_enable(params, vars, 0) ==
7419 			    ELINK_STATUS_NO_LINK) {
7420 				ELINK_DEBUG_P0(cb, "Found errors on XMAC\n");
7421 				vars->link_up = 0;
7422 				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
7423 				vars->link_status &= ~LINK_STATUS_LINK_UP;
7424 			}
7425 		} else
7426 			elink_umac_enable(params, vars, 0);
7427 		elink_set_led(params, vars,
7428 			      ELINK_LED_MODE_OPER, vars->line_speed);
7429 
7430 		if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
7431 		    (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
7432 			ELINK_DEBUG_P0(cb, "Enabling LPI assertion\n");
7433 			REG_WR(cb, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
7434 			       (params->port << 2), 1);
7435 			REG_WR(cb, MISC_REG_CPMU_LP_DR_ENABLE, 1);
7436 			REG_WR(cb, MISC_REG_CPMU_LP_MASK_ENT_P0 +
7437 			       (params->port << 2), 0xfc20);
7438 		}
7439 	}
7440 #endif // EXCLUDE_WARPCORE
7441 #ifndef EXCLUDE_XGXS
7442 	if ((CHIP_IS_E1X(params->chip_id) ||
7443 	     CHIP_IS_E2(params->chip_id))) {
7444 		if (link_10g) {
7445 			if (elink_bmac_enable(params, vars, 0, 1) ==
7446 			    ELINK_STATUS_NO_LINK) {
7447 				ELINK_DEBUG_P0(cb, "Found errors on BMAC\n");
7448 				vars->link_up = 0;
7449 				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
7450 				vars->link_status &= ~LINK_STATUS_LINK_UP;
7451 			}
7452 
7453 			elink_set_led(params, vars,
7454 				      ELINK_LED_MODE_OPER, ELINK_SPEED_10000);
7455 		} else {
7456 			rc = elink_emac_program(params, vars);
7457 			elink_emac_enable(params, vars, 0);
7458 
7459 			/* AN complete? */
7460 			if ((vars->link_status &
7461 			     LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
7462 			    && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
7463 			    ELINK_SINGLE_MEDIA_DIRECT(params))
7464 				elink_set_gmii_tx_driver(params);
7465 		}
7466 	}
7467 #endif // EXCLUDE_XGXS
7468 
7469 #ifndef ELINK_AUX_POWER
7470 	/* PBF - link up */
7471 	if (CHIP_IS_E1X(params->chip_id))
7472 		rc |= elink_pbf_update(params, vars->flow_ctrl,
7473 				       vars->line_speed);
7474 #endif /* ELINK_AUX_POWER */
7475 
7476 	/* Disable drain */
7477 	REG_WR(cb, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
7478 
7479 	/* Update shared memory */
7480 	elink_update_mng(params, vars->link_status);
7481 #ifndef EXCLUDE_WARPCORE
7482 	elink_update_mng_eee(params, vars->eee_status);
7483 #endif /* #ifndef EXCLUDE_WARPCORE */
7484 	/* Check remote fault */
7485 	for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
7486 		if (params->phy[phy_idx].flags & ELINK_FLAGS_TX_ERROR_CHECK) {
7487 			elink_check_half_open_conn(params, vars, 0);
7488 			break;
7489 		}
7490 	}
7491 	MSLEEP(cb, 20);
7492 	return rc;
7493 }
7494 
7495 static void elink_chng_link_count(struct elink_params *params, u8 clear)
7496 {
7497 	struct elink_dev *cb = params->cb;
7498 	u32 addr, val;
7499 
7500 	/* Verify the link_change_count is supported by the MFW */
7501 	if (!(SHMEM2_HAS(cb, params->shmem2_base, link_change_count)))
7502 		return;
7503 
7504 	addr = params->shmem2_base +
7505 		OFFSETOF(struct shmem2_region, link_change_count[params->port]);
7506 	if (clear)
7507 		val = 0;
7508 	else
7509 		val = REG_RD(cb, addr) + 1;
7510 	REG_WR(cb, addr, val);
7511 }
7512 
7513 /* The elink_link_update function should be called upon link
7514  * interrupt.
7515  * Link is considered up as follows:
7516  * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
7517  *   to be up
7518  * - SINGLE_MEDIA - The link between the 577xx and the external
7519  *   phy (XGXS) need to up as well as the external link of the
7520  *   phy (PHY_EXT1)
7521  * - DUAL_MEDIA - The link between the 577xx and the first
7522  *   external phy needs to be up, and at least one of the 2
7523  *   external phy link must be up.
7524  */
7525 elink_status_t elink_link_update(struct elink_params *params, struct elink_vars *vars)
7526 {
7527 	struct elink_dev *cb = params->cb;
7528 	struct elink_vars phy_vars[ELINK_MAX_PHYS];
7529 	u8 port = params->port;
7530 	u8 link_10g_plus, phy_index;
7531 	u32 prev_link_status = vars->link_status;
7532 	u8 ext_phy_link_up = 0, cur_link_up;
7533 	elink_status_t rc = ELINK_STATUS_OK;
7534 	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
7535 	u8 active_external_phy = ELINK_INT_PHY;
7536 	vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
7537 	vars->link_status &= ~ELINK_LINK_UPDATE_MASK;
7538 	for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
7539 	      phy_index++) {
7540 		phy_vars[phy_index].flow_ctrl = 0;
7541 		phy_vars[phy_index].link_status = 0;
7542 		phy_vars[phy_index].line_speed = 0;
7543 		phy_vars[phy_index].duplex = DUPLEX_FULL;
7544 		phy_vars[phy_index].phy_link_up = 0;
7545 		phy_vars[phy_index].link_up = 0;
7546 		phy_vars[phy_index].fault_detected = 0;
7547 		/* different consideration, since vars holds inner state */
7548 		phy_vars[phy_index].eee_status = vars->eee_status;
7549 	}
7550 
7551 	if (ELINK_USES_WARPCORE(params->chip_id))
7552 		elink_set_aer_mmd(params, &params->phy[ELINK_INT_PHY]);
7553 
7554 	ELINK_DEBUG_P3(cb, "port %x, XGXS?%x, int_status 0x%x\n",
7555 		 port, (vars->phy_flags & PHY_XGXS_FLAG),
7556 		 REG_RD(cb, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
7557 
7558 	ELINK_DEBUG_P3(cb, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
7559 		 REG_RD(cb, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
7560 		 REG_RD(cb, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18) > 0,
7561 		 REG_RD(cb, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
7562 
7563 	ELINK_DEBUG_P2(cb, " 10G %x, XGXS_LINK %x\n",
7564 	  REG_RD(cb, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
7565 	  REG_RD(cb, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
7566 
7567 	/* Disable emac */
7568 	if (!CHIP_IS_E3(params->chip_id))
7569 		REG_WR(cb, NIG_REG_NIG_EMAC0_EN + port*4, 0);
7570 
7571 	/* Step 1:
7572 	 * Check external link change only for external phys, and apply
7573 	 * priority selection between them in case the link on both phys
7574 	 * is up. Note that instead of the common vars, a temporary
7575 	 * vars argument is used since each phy may have different link/
7576 	 * speed/duplex result
7577 	 */
7578 	for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
7579 	      phy_index++) {
7580 		struct elink_phy *phy = &params->phy[phy_index];
7581 		if (!phy->read_status)
7582 			continue;
7583 		/* Read link status and params of this ext phy */
7584 		cur_link_up = phy->read_status(phy, params,
7585 					       &phy_vars[phy_index]);
7586 		if (cur_link_up) {
7587 			ELINK_DEBUG_P1(cb, "phy in index %d link is up\n",
7588 				   phy_index);
7589 		} else {
7590 			ELINK_DEBUG_P1(cb, "phy in index %d link is down\n",
7591 				   phy_index);
7592 			continue;
7593 		}
7594 
7595 		if (!ext_phy_link_up) {
7596 			ext_phy_link_up = 1;
7597 			active_external_phy = phy_index;
7598 		} else {
7599 			switch (elink_phy_selection(params)) {
7600 			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
7601 			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
7602 			/* In this option, the first PHY makes sure to pass the
7603 			 * traffic through itself only.
7604 			 * Its not clear how to reset the link on the second phy
7605 			 */
7606 				active_external_phy = ELINK_EXT_PHY1;
7607 				break;
7608 			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
7609 			/* In this option, the first PHY makes sure to pass the
7610 			 * traffic through the second PHY.
7611 			 */
7612 				active_external_phy = ELINK_EXT_PHY2;
7613 				break;
7614 			default:
7615 			/* Link indication on both PHYs with the following cases
7616 			 * is invalid:
7617 			 * - FIRST_PHY means that second phy wasn't initialized,
7618 			 * hence its link is expected to be down
7619 			 * - SECOND_PHY means that first phy should not be able
7620 			 * to link up by itself (using configuration)
7621 			 * - DEFAULT should be overriden during initialiazation
7622 			 */
7623 				ELINK_DEBUG_P1(cb, "Invalid link indication"
7624 					   "mpc=0x%x. DISABLING LINK !!!\n",
7625 					   params->multi_phy_config);
7626 				ext_phy_link_up = 0;
7627 				break;
7628 			}
7629 		}
7630 	}
7631 	prev_line_speed = vars->line_speed;
7632 	/* Step 2:
7633 	 * Read the status of the internal phy. In case of
7634 	 * DIRECT_SINGLE_MEDIA board, this link is the external link,
7635 	 * otherwise this is the link between the 577xx and the first
7636 	 * external phy
7637 	 */
7638 	if (params->phy[ELINK_INT_PHY].read_status)
7639 		params->phy[ELINK_INT_PHY].read_status(
7640 			&params->phy[ELINK_INT_PHY],
7641 			params, vars);
7642 	/* The INT_PHY flow control reside in the vars. This include the
7643 	 * case where the speed or flow control are not set to AUTO.
7644 	 * Otherwise, the active external phy flow control result is set
7645 	 * to the vars. The ext_phy_line_speed is needed to check if the
7646 	 * speed is different between the internal phy and external phy.
7647 	 * This case may be result of intermediate link speed change.
7648 	 */
7649 	if (active_external_phy > ELINK_INT_PHY) {
7650 		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
7651 		/* Link speed is taken from the XGXS. AN and FC result from
7652 		 * the external phy.
7653 		 */
7654 		vars->link_status |= phy_vars[active_external_phy].link_status;
7655 
7656 		/* if active_external_phy is first PHY and link is up - disable
7657 		 * disable TX on second external PHY
7658 		 */
7659 		if (active_external_phy == ELINK_EXT_PHY1) {
7660 			if (params->phy[ELINK_EXT_PHY2].phy_specific_func) {
7661 				ELINK_DEBUG_P0(cb,
7662 				   "Disabling TX on EXT_PHY2\n");
7663 				params->phy[ELINK_EXT_PHY2].phy_specific_func(
7664 					&params->phy[ELINK_EXT_PHY2],
7665 					params, ELINK_DISABLE_TX);
7666 			}
7667 		}
7668 
7669 		ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
7670 		vars->duplex = phy_vars[active_external_phy].duplex;
7671 		if (params->phy[active_external_phy].supported &
7672 		    ELINK_SUPPORTED_FIBRE)
7673 			vars->link_status |= LINK_STATUS_SERDES_LINK;
7674 		else
7675 			vars->link_status &= ~LINK_STATUS_SERDES_LINK;
7676 
7677 		vars->eee_status = phy_vars[active_external_phy].eee_status;
7678 
7679 		ELINK_DEBUG_P1(cb, "Active external phy selected: %x\n",
7680 			   active_external_phy);
7681 	}
7682 
7683 	for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
7684 	      phy_index++) {
7685 		if (params->phy[phy_index].flags &
7686 		    ELINK_FLAGS_REARM_LATCH_SIGNAL) {
7687 			elink_rearm_latch_signal(cb, port,
7688 						 phy_index ==
7689 						 active_external_phy);
7690 			break;
7691 		}
7692 	}
7693 	ELINK_DEBUG_P3(cb, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
7694 		   " ext_phy_line_speed = %d\n", vars->flow_ctrl,
7695 		   vars->link_status, ext_phy_line_speed);
7696 	/* Upon link speed change set the NIG into drain mode. Comes to
7697 	 * deals with possible FIFO glitch due to clk change when speed
7698 	 * is decreased without link down indicator
7699 	 */
7700 
7701 	if (vars->phy_link_up) {
7702 		if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
7703 		    (ext_phy_line_speed != vars->line_speed)) {
7704 			ELINK_DEBUG_P2(cb, "Internal link speed %d is"
7705 				   " different than the external"
7706 				   " link speed %d\n", vars->line_speed,
7707 				   ext_phy_line_speed);
7708 			vars->phy_link_up = 0;
7709 		} else if (prev_line_speed != vars->line_speed) {
7710 			REG_WR(cb, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
7711 			       0);
7712 			MSLEEP(cb, 1);
7713 		}
7714 	}
7715 
7716 	/* Anything 10 and over uses the bmac */
7717 	link_10g_plus = (vars->line_speed >= ELINK_SPEED_10000);
7718 
7719 	elink_link_int_ack(params, vars, link_10g_plus);
7720 
7721 	/* In case external phy link is up, and internal link is down
7722 	 * (not initialized yet probably after link initialization, it
7723 	 * needs to be initialized.
7724 	 * Note that after link down-up as result of cable plug, the xgxs
7725 	 * link would probably become up again without the need
7726 	 * initialize it
7727 	 */
7728 	if (!(ELINK_SINGLE_MEDIA_DIRECT(params))) {
7729 		ELINK_DEBUG_P3(cb, "ext_phy_link_up = %d, int_link_up = %d,"
7730 			   " init_preceding = %d\n", ext_phy_link_up,
7731 			   vars->phy_link_up,
7732 			   params->phy[ELINK_EXT_PHY1].flags &
7733 			   ELINK_FLAGS_INIT_XGXS_FIRST);
7734 		if (!(params->phy[ELINK_EXT_PHY1].flags &
7735 		      ELINK_FLAGS_INIT_XGXS_FIRST)
7736 		    && ext_phy_link_up && !vars->phy_link_up) {
7737 			vars->line_speed = ext_phy_line_speed;
7738 			if (vars->line_speed < ELINK_SPEED_1000)
7739 				vars->phy_flags |= PHY_SGMII_FLAG;
7740 			else
7741 				vars->phy_flags &= ~PHY_SGMII_FLAG;
7742 
7743 			if (params->phy[ELINK_INT_PHY].config_init)
7744 				params->phy[ELINK_INT_PHY].config_init(
7745 					&params->phy[ELINK_INT_PHY], params,
7746 						vars);
7747 		}
7748 	}
7749 	/* Link is up only if both local phy and external phy (in case of
7750 	 * non-direct board) are up and no fault detected on active PHY.
7751 	 */
7752 	vars->link_up = (vars->phy_link_up &&
7753 			 (ext_phy_link_up ||
7754 			  ELINK_SINGLE_MEDIA_DIRECT(params)) &&
7755 			 (phy_vars[active_external_phy].fault_detected == 0));
7756 
7757 	/* Update the PFC configuration in case it was changed */
7758 	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
7759 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
7760 	else
7761 		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
7762 
7763 	if (vars->link_up)
7764 		rc = elink_update_link_up(params, vars, link_10g_plus);
7765 	else
7766 		rc = elink_update_link_down(params, vars);
7767 
7768 	if ((prev_link_status ^ vars->link_status) & LINK_STATUS_LINK_UP)
7769 		elink_chng_link_count(params, 0);
7770 
7771 #ifndef ELINK_AUX_POWER
7772 	/* Update MCP link status was changed */
7773 	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_BC_SUPPORTS_AFEX)
7774 		elink_cb_fw_command(cb, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
7775 #endif // ELINK_AUX_POWER
7776 
7777 	return rc;
7778 }
7779 
7780 #endif // EXCLUDE_NON_COMMON_INIT
7781 #ifndef ELINK_EMUL_ONLY
7782 /*****************************************************************************/
7783 /*			    External Phy section			     */
7784 /*****************************************************************************/
7785 void elink_ext_phy_hw_reset(struct elink_dev *cb, u8 port)
7786 {
7787 	ELINK_SET_GPIO(cb, MISC_REGISTERS_GPIO_1,
7788 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
7789 	MSLEEP(cb, 1);
7790 	ELINK_SET_GPIO(cb, MISC_REGISTERS_GPIO_1,
7791 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
7792 }
7793 
7794 #if !defined(EXCLUDE_BCM8727_BCM8073) || !defined(EXCLUDE_SFX7101) || !defined(EXCLUDE_BCM8481) || !defined(EXCLUDE_BCM84833) || !defined(EXCLUDE_SFX7101) || !defined(EXCLUDE_BCM8705) || !defined(EXCLUDE_BCM87x6)
7795 static void elink_save_spirom_version(struct elink_dev *cb, u8 port,
7796 				      u32 spirom_ver, u32 ver_addr)
7797 {
7798 	ELINK_DEBUG_P3(cb, "FW version 0x%x:0x%x for port %d\n",
7799 		 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
7800 
7801 	if (ver_addr)
7802 		REG_WR(cb, ver_addr, spirom_ver);
7803 }
7804 
7805 #if (!defined EXCLUDE_XGXS) && (!defined EXCLUDE_COMMON_INIT)
7806 static void elink_save_bcm_spirom_ver(struct elink_dev *cb,
7807 				      struct elink_phy *phy,
7808 				      u8 port)
7809 {
7810 	u16 fw_ver1, fw_ver2;
7811 
7812 	elink_cl45_read(cb, phy, MDIO_PMA_DEVAD,
7813 			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7814 	elink_cl45_read(cb, phy, MDIO_PMA_DEVAD,
7815 			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
7816 	elink_save_spirom_version(cb, port, (u32)(fw_ver1<<16 | fw_ver2),
7817 				  phy->ver_addr);
7818 }
7819 #endif // EXCLUDE_XGXS
7820 
7821 #ifndef EXCLUDE_NON_COMMON_INIT
7822 static void elink_ext_phy_10G_an_resolve(struct elink_dev *cb,
7823 				       struct elink_phy *phy,
7824 				       struct elink_vars *vars)
7825 {
7826 	u16 val;
7827 	elink_cl45_read(cb, phy,
7828 			MDIO_AN_DEVAD,
7829 			MDIO_AN_REG_STATUS, &val);
7830 	elink_cl45_read(cb, phy,
7831 			MDIO_AN_DEVAD,
7832 			MDIO_AN_REG_STATUS, &val);
7833 	if (val & (1<<5))
7834 		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
7835 	if ((val & (1<<0)) == 0)
7836 		vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
7837 }
7838 #endif // #ifndef EXCLUDE_NON_COMMON_INIT
7839 #endif // #if !defined(EXCLUDE_BCM8727_BCM8073) ||  !defined(EXCLUDE_BCM8481) || !defined(EXCLUDE_BCM84833) || !defined(EXCLUDE_SFX7101)
7840 
7841 /******************************************************************/
7842 /*		common BCM8073/BCM8727 PHY SECTION		  */
7843 /******************************************************************/
7844 #ifndef EXCLUDE_BCM8727_BCM8073
7845 #ifndef EXCLUDE_NON_COMMON_INIT
7846 static void elink_8073_resolve_fc(struct elink_phy *phy,
7847 				  struct elink_params *params,
7848 				  struct elink_vars *vars)
7849 {
7850 	struct elink_dev *cb = params->cb;
7851 	if (phy->req_line_speed == ELINK_SPEED_10 ||
7852 	    phy->req_line_speed == ELINK_SPEED_100) {
7853 		vars->flow_ctrl = phy->req_flow_ctrl;
7854 		return;
7855 	}
7856 
7857 	if (elink_ext_phy_resolve_fc(phy, params, vars) &&
7858 	    (vars->flow_ctrl == ELINK_FLOW_CTRL_NONE)) {
7859 		u16 pause_result;
7860 		u16 ld_pause;		/* local */
7861 		u16 lp_pause;		/* link partner */
7862 		elink_cl45_read(cb, phy,
7863 				MDIO_AN_DEVAD,
7864 				MDIO_AN_REG_CL37_FC_LD, &ld_pause);
7865 
7866 		elink_cl45_read(cb, phy,
7867 				MDIO_AN_DEVAD,
7868 				MDIO_AN_REG_CL37_FC_LP, &lp_pause);
7869 		pause_result = (ld_pause &
7870 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
7871 		pause_result |= (lp_pause &
7872 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
7873 
7874 		elink_pause_resolve(vars, pause_result);
7875 		ELINK_DEBUG_P1(cb, "Ext PHY CL37 pause result 0x%x\n",
7876 			   pause_result);
7877 	}
7878 }
7879 #endif // EXCLUDE_NON_COMMON_INIT
7880 #ifndef EXCLUDE_COMMON_INIT
7881 static elink_status_t elink_8073_8727_external_rom_boot(struct elink_dev *cb,
7882 					     struct elink_phy *phy,
7883 					     u8 port)
7884 {
7885 	u32 count = 0;
7886 	u16 fw_ver1, fw_msgout;
7887 	elink_status_t rc = ELINK_STATUS_OK;
7888 
7889 	/* Boot port from external ROM  */
7890 	/* EDC grst */
7891 	elink_cl45_write(cb, phy,
7892 			 MDIO_PMA_DEVAD,
7893 			 MDIO_PMA_REG_GEN_CTRL,
7894 			 0x0001);
7895 
7896 	/* Ucode reboot and rst */
7897 	elink_cl45_write(cb, phy,
7898 			 MDIO_PMA_DEVAD,
7899 			 MDIO_PMA_REG_GEN_CTRL,
7900 			 0x008c);
7901 
7902 	elink_cl45_write(cb, phy,
7903 			 MDIO_PMA_DEVAD,
7904 			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
7905 
7906 	/* Reset internal microprocessor */
7907 	elink_cl45_write(cb, phy,
7908 			 MDIO_PMA_DEVAD,
7909 			 MDIO_PMA_REG_GEN_CTRL,
7910 			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
7911 
7912 	/* Release srst bit */
7913 	elink_cl45_write(cb, phy,
7914 			 MDIO_PMA_DEVAD,
7915 			 MDIO_PMA_REG_GEN_CTRL,
7916 			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
7917 
7918 	/* Delay 100ms per the PHY specifications */
7919 	MSLEEP(cb, 100);
7920 
7921 	/* 8073 sometimes taking longer to download */
7922 	do {
7923 		count++;
7924 		if (count > 300) {
7925 			ELINK_DEBUG_P2(cb,
7926 				 "elink_8073_8727_external_rom_boot port %x:"
7927 				 "Download failed. fw version = 0x%x\n",
7928 				 port, fw_ver1);
7929 			rc = ELINK_STATUS_ERROR;
7930 			break;
7931 		}
7932 
7933 		elink_cl45_read(cb, phy,
7934 				MDIO_PMA_DEVAD,
7935 				MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7936 		elink_cl45_read(cb, phy,
7937 				MDIO_PMA_DEVAD,
7938 				MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7939 
7940 		MSLEEP(cb, 1);
7941 	} while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7942 			((fw_msgout & 0xff) != 0x03 && (phy->type ==
7943 			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
7944 
7945 	/* Clear ser_boot_ctl bit */
7946 	elink_cl45_write(cb, phy,
7947 			 MDIO_PMA_DEVAD,
7948 			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
7949 	elink_save_bcm_spirom_ver(cb, phy, port);
7950 
7951 	ELINK_DEBUG_P2(cb,
7952 		 "elink_8073_8727_external_rom_boot port %x:"
7953 		 "Download complete. fw version = 0x%x\n",
7954 		 port, fw_ver1);
7955 
7956 	return rc;
7957 }
7958 #endif // EXCLUDE_COMMON_INIT
7959 
7960 /******************************************************************/
7961 /*			BCM8073 PHY SECTION			  */
7962 /******************************************************************/
7963 #ifndef EXCLUDE_NON_COMMON_INIT
7964 static elink_status_t elink_8073_is_snr_needed(struct elink_dev *cb, struct elink_phy *phy)
7965 {
7966 	/* This is only required for 8073A1, version 102 only */
7967 	u16 val;
7968 
7969 	/* Read 8073 HW revision*/
7970 	elink_cl45_read(cb, phy,
7971 			MDIO_PMA_DEVAD,
7972 			MDIO_PMA_REG_8073_CHIP_REV, &val);
7973 
7974 	if (val != 1) {
7975 		/* No need to workaround in 8073 A1 */
7976 		return ELINK_STATUS_OK;
7977 	}
7978 
7979 	elink_cl45_read(cb, phy,
7980 			MDIO_PMA_DEVAD,
7981 			MDIO_PMA_REG_ROM_VER2, &val);
7982 
7983 	/* SNR should be applied only for version 0x102 */
7984 	if (val != 0x102)
7985 		return ELINK_STATUS_OK;
7986 
7987 	return 1;
7988 }
7989 
7990 static elink_status_t elink_8073_xaui_wa(struct elink_dev *cb, struct elink_phy *phy)
7991 {
7992 	u16 val, cnt, cnt1 ;
7993 
7994 	elink_cl45_read(cb, phy,
7995 			MDIO_PMA_DEVAD,
7996 			MDIO_PMA_REG_8073_CHIP_REV, &val);
7997 
7998 	if (val > 0) {
7999 		/* No need to workaround in 8073 A1 */
8000 		return ELINK_STATUS_OK;
8001 	}
8002 	/* XAUI workaround in 8073 A0: */
8003 
8004 	/* After loading the boot ROM and restarting Autoneg, poll
8005 	 * Dev1, Reg $C820:
8006 	 */
8007 
8008 	for (cnt = 0; cnt < 1000; cnt++) {
8009 		elink_cl45_read(cb, phy,
8010 				MDIO_PMA_DEVAD,
8011 				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
8012 				&val);
8013 		  /* If bit [14] = 0 or bit [13] = 0, continue on with
8014 		   * system initialization (XAUI work-around not required, as
8015 		   * these bits indicate 2.5G or 1G link up).
8016 		   */
8017 		if (!(val & (1<<14)) || !(val & (1<<13))) {
8018 			ELINK_DEBUG_P0(cb, "XAUI work-around not required\n");
8019 			return ELINK_STATUS_OK;
8020 		} else if (!(val & (1<<15))) {
8021 			ELINK_DEBUG_P0(cb, "bit 15 went off\n");
8022 			/* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
8023 			 * MSB (bit15) goes to 1 (indicating that the XAUI
8024 			 * workaround has completed), then continue on with
8025 			 * system initialization.
8026 			 */
8027 			for (cnt1 = 0; cnt1 < 1000; cnt1++) {
8028 				elink_cl45_read(cb, phy,
8029 					MDIO_PMA_DEVAD,
8030 					MDIO_PMA_REG_8073_XAUI_WA, &val);
8031 				if (val & (1<<15)) {
8032 					ELINK_DEBUG_P0(cb,
8033 					  "XAUI workaround has completed\n");
8034 					return ELINK_STATUS_OK;
8035 				 }
8036 				 MSLEEP(cb, 3);
8037 			}
8038 			break;
8039 		}
8040 		MSLEEP(cb, 3);
8041 	}
8042 	ELINK_DEBUG_P0(cb, "Warning: XAUI work-around timeout !!!\n");
8043 	return ELINK_STATUS_ERROR;
8044 }
8045 
8046 #ifdef ELINK_INCLUDE_LOOPBACK
8047 static void elink_807x_force_10G(struct elink_dev *cb, struct elink_phy *phy)
8048 {
8049 	/* Force KR or KX */
8050 	elink_cl45_write(cb, phy,
8051 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
8052 	elink_cl45_write(cb, phy,
8053 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
8054 	elink_cl45_write(cb, phy,
8055 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
8056 	elink_cl45_write(cb, phy,
8057 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
8058 }
8059 #endif // ELINK_INCLUDE_LOOPBACK
8060 
8061 static void elink_8073_set_pause_cl37(struct elink_params *params,
8062 				      struct elink_phy *phy,
8063 				      struct elink_vars *vars)
8064 {
8065 	u16 cl37_val;
8066 	struct elink_dev *cb = params->cb;
8067 	elink_cl45_read(cb, phy,
8068 			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
8069 
8070 	cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
8071 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
8072 	elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
8073 	if ((vars->ieee_fc &
8074 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
8075 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
8076 		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
8077 	}
8078 	if ((vars->ieee_fc &
8079 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
8080 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
8081 		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
8082 	}
8083 	if ((vars->ieee_fc &
8084 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
8085 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
8086 		cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
8087 	}
8088 	ELINK_DEBUG_P1(cb,
8089 		 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
8090 
8091 	elink_cl45_write(cb, phy,
8092 			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
8093 #ifndef ELINK_AUX_POWER
8094 	MSLEEP(cb, 500);
8095 #endif // ELINK_AUX_POWER
8096 }
8097 
8098 static void elink_8073_specific_func(struct elink_phy *phy,
8099 				     struct elink_params *params,
8100 				     u32 action)
8101 {
8102 	struct elink_dev *cb = params->cb;
8103 	switch (action) {
8104 	case ELINK_PHY_INIT:
8105 		/* Enable LASI */
8106 		elink_cl45_write(cb, phy,
8107 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
8108 		elink_cl45_write(cb, phy,
8109 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,  0x0004);
8110 		break;
8111 	}
8112 }
8113 
8114 static elink_status_t elink_8073_config_init(struct elink_phy *phy,
8115 				  struct elink_params *params,
8116 				  struct elink_vars *vars)
8117 {
8118 	struct elink_dev *cb = params->cb;
8119 	u16 val = 0, tmp1;
8120 	u8 gpio_port;
8121 	ELINK_DEBUG_P0(cb, "Init 8073\n");
8122 
8123 	if (CHIP_IS_E2(params->chip_id))
8124 		gpio_port = PATH_ID(cb);
8125 	else
8126 		gpio_port = params->port;
8127 	/* Restore normal power mode*/
8128 	ELINK_SET_GPIO(cb, MISC_REGISTERS_GPIO_2,
8129 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
8130 
8131 	ELINK_SET_GPIO(cb, MISC_REGISTERS_GPIO_1,
8132 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
8133 
8134 	elink_8073_specific_func(phy, params, ELINK_PHY_INIT);
8135 	elink_8073_set_pause_cl37(params, phy, vars);
8136 
8137 	elink_cl45_read(cb, phy,
8138 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
8139 
8140 	elink_cl45_read(cb, phy,
8141 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
8142 
8143 	ELINK_DEBUG_P1(cb, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
8144 
8145 	/* Swap polarity if required - Must be done only in non-1G mode */
8146 	if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
8147 		/* Configure the 8073 to swap _P and _N of the KR lines */
8148 		ELINK_DEBUG_P0(cb, "Swapping polarity for the 8073\n");
8149 		/* 10G Rx/Tx and 1G Tx signal polarity swap */
8150 		elink_cl45_read(cb, phy,
8151 				MDIO_PMA_DEVAD,
8152 				MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
8153 		elink_cl45_write(cb, phy,
8154 				 MDIO_PMA_DEVAD,
8155 				 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
8156 				 (val | (3<<9)));
8157 	}
8158 
8159 
8160 	/* Enable CL37 BAM */
8161 	if (REG_RD(cb, params->shmem_base +
8162 			 OFFSETOF(struct shmem_region, dev_info.
8163 				  port_hw_config[params->port].default_cfg)) &
8164 	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
8165 
8166 		elink_cl45_read(cb, phy,
8167 				MDIO_AN_DEVAD,
8168 				MDIO_AN_REG_8073_BAM, &val);
8169 		elink_cl45_write(cb, phy,
8170 				 MDIO_AN_DEVAD,
8171 				 MDIO_AN_REG_8073_BAM, val | 1);
8172 		ELINK_DEBUG_P0(cb, "Enable CL37 BAM on KR\n");
8173 	}
8174 #ifdef ELINK_INCLUDE_LOOPBACK
8175 	if (params->loopback_mode == ELINK_LOOPBACK_EXT) {
8176 		elink_807x_force_10G(cb, phy);
8177 		ELINK_DEBUG_P0(cb, "Forced speed 10G on 807X\n");
8178 		return ELINK_STATUS_OK;
8179 	} else {
8180 		elink_cl45_write(cb, phy,
8181 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
8182 	}
8183 #endif // ELINK_INCLUDE_LOOPBACK
8184 	if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG) {
8185 		if (phy->req_line_speed == ELINK_SPEED_10000) {
8186 			val = (1<<7);
8187 		} else if (phy->req_line_speed ==  ELINK_SPEED_2500) {
8188 			val = (1<<5);
8189 			/* Note that 2.5G works only when used with 1G
8190 			 * advertisement
8191 			 */
8192 		} else
8193 			val = (1<<5);
8194 	} else {
8195 		val = 0;
8196 		if (phy->speed_cap_mask &
8197 			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
8198 			val |= (1<<7);
8199 
8200 		/* Note that 2.5G works only when used with 1G advertisement */
8201 		if (phy->speed_cap_mask &
8202 			(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
8203 			 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
8204 			val |= (1<<5);
8205 		ELINK_DEBUG_P1(cb, "807x autoneg val = 0x%x\n", val);
8206 	}
8207 
8208 	elink_cl45_write(cb, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
8209 	elink_cl45_read(cb, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
8210 
8211 	if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
8212 	     (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)) ||
8213 	    (phy->req_line_speed == ELINK_SPEED_2500)) {
8214 		u16 phy_ver;
8215 		/* Allow 2.5G for A1 and above */
8216 		elink_cl45_read(cb, phy,
8217 				MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
8218 				&phy_ver);
8219 		ELINK_DEBUG_P0(cb, "Add 2.5G\n");
8220 		if (phy_ver > 0)
8221 			tmp1 |= 1;
8222 		else
8223 			tmp1 &= 0xfffe;
8224 	} else {
8225 		ELINK_DEBUG_P0(cb, "Disable 2.5G\n");
8226 		tmp1 &= 0xfffe;
8227 	}
8228 
8229 	elink_cl45_write(cb, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
8230 	/* Add support for CL37 (passive mode) II */
8231 
8232 	elink_cl45_read(cb, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
8233 	elink_cl45_write(cb, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
8234 			 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
8235 				  0x20 : 0x40)));
8236 
8237 	/* Add support for CL37 (passive mode) III */
8238 	elink_cl45_write(cb, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8239 
8240 	/* The SNR will improve about 2db by changing BW and FEE main
8241 	 * tap. Rest commands are executed after link is up
8242 	 * Change FFE main cursor to 5 in EDC register
8243 	 */
8244 	if (elink_8073_is_snr_needed(cb, phy))
8245 		elink_cl45_write(cb, phy,
8246 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
8247 				 0xFB0C);
8248 
8249 	/* Enable FEC (Forware Error Correction) Request in the AN */
8250 	elink_cl45_read(cb, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
8251 	tmp1 |= (1<<15);
8252 	elink_cl45_write(cb, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
8253 
8254 	elink_ext_phy_set_pause(params, phy, vars);
8255 
8256 	/* Restart autoneg */
8257 	MSLEEP(cb, 500);
8258 	elink_cl45_write(cb, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8259 	ELINK_DEBUG_P2(cb, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
8260 		   ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
8261 	return ELINK_STATUS_OK;
8262 }
8263 
8264 static elink_status_t
8265 elink_8073_read_status(struct elink_phy *phy, struct elink_params *params,
8266     struct elink_vars *vars)
8267 {
8268 	struct elink_dev *cb = params->cb;
8269 	u8 link_up = 0;
8270 	u16 val1, val2;
8271 	u16 link_status = 0;
8272 	u16 an1000_status = 0;
8273 
8274 	elink_cl45_read(cb, phy,
8275 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8276 
8277 	ELINK_DEBUG_P1(cb, "8703 LASI status 0x%x\n", val1);
8278 
8279 	/* Clear the interrupt LASI status register */
8280 	elink_cl45_read(cb, phy,
8281 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
8282 	elink_cl45_read(cb, phy,
8283 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
8284 	ELINK_DEBUG_P2(cb, "807x PCS status 0x%x->0x%x\n", val2, val1);
8285 	/* Clear MSG-OUT */
8286 	elink_cl45_read(cb, phy,
8287 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
8288 
8289 	/* Check the LASI */
8290 	elink_cl45_read(cb, phy,
8291 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8292 
8293 	ELINK_DEBUG_P1(cb, "KR 0x9003 0x%x\n", val2);
8294 
8295 	/* Check the link status */
8296 	elink_cl45_read(cb, phy,
8297 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
8298 	ELINK_DEBUG_P1(cb, "KR PCS status 0x%x\n", val2);
8299 
8300 	elink_cl45_read(cb, phy,
8301 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
8302 	elink_cl45_read(cb, phy,
8303 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
8304 	link_up = ((val1 & 4) == 4);
8305 	ELINK_DEBUG_P1(cb, "PMA_REG_STATUS=0x%x\n", val1);
8306 
8307 	if (link_up &&
8308 	     ((phy->req_line_speed != ELINK_SPEED_10000))) {
8309 		if (elink_8073_xaui_wa(cb, phy) != 0)
8310 			return 0;
8311 	}
8312 	elink_cl45_read(cb, phy,
8313 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
8314 	elink_cl45_read(cb, phy,
8315 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
8316 
8317 	/* Check the link status on 1.1.2 */
8318 	elink_cl45_read(cb, phy,
8319 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
8320 	elink_cl45_read(cb, phy,
8321 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
8322 	ELINK_DEBUG_P3(cb, "KR PMA status 0x%x->0x%x,"
8323 		   "an_link_status=0x%x\n", val2, val1, an1000_status);
8324 
8325 	link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
8326 	if (link_up && elink_8073_is_snr_needed(cb, phy)) {
8327 		/* The SNR will improve about 2dbby changing the BW and FEE main
8328 		 * tap. The 1st write to change FFE main tap is set before
8329 		 * restart AN. Change PLL Bandwidth in EDC register
8330 		 */
8331 		elink_cl45_write(cb, phy,
8332 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
8333 				 0x26BC);
8334 
8335 		/* Change CDR Bandwidth in EDC register */
8336 		elink_cl45_write(cb, phy,
8337 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
8338 				 0x0333);
8339 	}
8340 	elink_cl45_read(cb, phy,
8341 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
8342 			&link_status);
8343 
8344 	/* Bits 0..2 --> speed detected, bits 13..15--> link is down */
8345 	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
8346 		link_up = 1;
8347 		vars->line_speed = ELINK_SPEED_10000;
8348 		ELINK_DEBUG_P1(cb, "port %x: External link up in 10G\n",
8349 			   params->port);
8350 	} else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
8351 		link_up = 1;
8352 		vars->line_speed = ELINK_SPEED_2500;
8353 		ELINK_DEBUG_P1(cb, "port %x: External link up in 2.5G\n",
8354 			   params->port);
8355 	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
8356 		link_up = 1;
8357 		vars->line_speed = ELINK_SPEED_1000;
8358 		ELINK_DEBUG_P1(cb, "port %x: External link up in 1G\n",
8359 			   params->port);
8360 	} else {
8361 		link_up = 0;
8362 		ELINK_DEBUG_P1(cb, "port %x: External link is down\n",
8363 			   params->port);
8364 	}
8365 
8366 	if (link_up) {
8367 		/* Swap polarity if required */
8368 		if (params->lane_config &
8369 		    PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
8370 			/* Configure the 8073 to swap P and N of the KR lines */
8371 			elink_cl45_read(cb, phy,
8372 					MDIO_XS_DEVAD,
8373 					MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
8374 			/* Set bit 3 to invert Rx in 1G mode and clear this bit
8375 			 * when it`s in 10G mode.
8376 			 */
8377 			if (vars->line_speed == ELINK_SPEED_1000) {
8378 				ELINK_DEBUG_P0(cb, "Swapping 1G polarity for"
8379 					      "the 8073\n");
8380 				val1 |= (1<<3);
8381 			} else
8382 				val1 &= ~(1<<3);
8383 
8384 			elink_cl45_write(cb, phy,
8385 					 MDIO_XS_DEVAD,
8386 					 MDIO_XS_REG_8073_RX_CTRL_PCIE,
8387 					 val1);
8388 		}
8389 		elink_ext_phy_10G_an_resolve(cb, phy, vars);
8390 		elink_8073_resolve_fc(phy, params, vars);
8391 		vars->duplex = DUPLEX_FULL;
8392 	}
8393 
8394 	if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
8395 		elink_cl45_read(cb, phy, MDIO_AN_DEVAD,
8396 				MDIO_AN_REG_LP_AUTO_NEG2, &val1);
8397 
8398 		if (val1 & (1<<5))
8399 			vars->link_status |=
8400 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
8401 		if (val1 & (1<<7))
8402 			vars->link_status |=
8403 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
8404 	}
8405 
8406 	return link_up;
8407 }
8408 
8409 static void elink_8073_link_reset(struct elink_phy *phy,
8410 				  struct elink_params *params)
8411 {
8412 #ifndef EXCLUDE_LINK_RESET
8413 	struct elink_dev *cb = params->cb;
8414 	u8 gpio_port;
8415 	if (CHIP_IS_E2(params->chip_id))
8416 		gpio_port = PATH_ID(cb);
8417 	else
8418 		gpio_port = params->port;
8419 	ELINK_DEBUG_P1(cb, "Setting 8073 port %d into low power mode\n",
8420 	   gpio_port);
8421 	ELINK_SET_GPIO(cb, MISC_REGISTERS_GPIO_2,
8422 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
8423 		       gpio_port);
8424 #endif // EXCLUDE_LINK_RESET
8425 }
8426 #endif // EXCLUDE_NON_COMMON_INIT
8427 #endif // EXCLUDE_BCM8727_BCM8073
8428 
8429 /******************************************************************/
8430 /*			BCM8705 PHY SECTION			  */
8431 /******************************************************************/
8432 #ifndef EXCLUDE_BCM8705
8433 static elink_status_t elink_8705_config_init(struct elink_phy *phy,
8434 				  struct elink_params *params,
8435 				  struct elink_vars *vars)
8436 {
8437 	struct elink_dev *cb = params->cb;
8438 	ELINK_DEBUG_P0(cb, "init 8705\n");
8439 	/* Restore normal power mode*/
8440 	ELINK_SET_GPIO(cb, MISC_REGISTERS_GPIO_2,
8441 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8442 	/* HW reset */
8443 	elink_ext_phy_hw_reset(cb, params->port);
8444 	elink_cl45_write(cb, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8445 	elink_wait_reset_complete(cb, phy, params);
8446 
8447 	elink_cl45_write(cb, phy,
8448 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
8449 	elink_cl45_write(cb, phy,
8450 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
8451 	elink_cl45_write(cb, phy,
8452 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
8453 	elink_cl45_write(cb, phy,
8454 			 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
8455 	/* BCM8705 doesn't have microcode, hence the 0 */
8456 	elink_save_spirom_version(cb, params->port, params->shmem_base, 0);
8457 	return ELINK_STATUS_OK;
8458 }
8459 
8460 static elink_status_t
8461 elink_8705_read_status(struct elink_phy *phy, struct elink_params *params,
8462     struct elink_vars *vars)
8463 {
8464 	u8 link_up = 0;
8465 	u16 val1, rx_sd;
8466 	struct elink_dev *cb = params->cb;
8467 	ELINK_DEBUG_P0(cb, "read status 8705\n");
8468 	elink_cl45_read(cb, phy,
8469 		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
8470 	ELINK_DEBUG_P1(cb, "8705 LASI status 0x%x\n", val1);
8471 
8472 	elink_cl45_read(cb, phy,
8473 		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
8474 	ELINK_DEBUG_P1(cb, "8705 LASI status 0x%x\n", val1);
8475 
8476 	elink_cl45_read(cb, phy,
8477 		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8478 
8479 	elink_cl45_read(cb, phy,
8480 		      MDIO_PMA_DEVAD, 0xc809, &val1);
8481 	elink_cl45_read(cb, phy,
8482 		      MDIO_PMA_DEVAD, 0xc809, &val1);
8483 
8484 	ELINK_DEBUG_P1(cb, "8705 1.c809 val=0x%x\n", val1);
8485 	link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
8486 	if (link_up) {
8487 		vars->line_speed = ELINK_SPEED_10000;
8488 		elink_ext_phy_resolve_fc(phy, params, vars);
8489 	}
8490 	return link_up;
8491 }
8492 
8493 #endif /* EXCLUDE_BCM8705 */
8494 /******************************************************************/
8495 /*			SFP+ module Section			  */
8496 /******************************************************************/
8497 #ifndef EXCLUDE_NON_COMMON_INIT
8498 #ifndef EXCLUDE_BCM8727_BCM8073
8499 static void elink_set_disable_pmd_transmit(struct elink_params *params,
8500 					   struct elink_phy *phy,
8501 					   u8 pmd_dis)
8502 {
8503 	struct elink_dev *cb = params->cb;
8504 	/* Disable transmitter only for bootcodes which can enable it afterwards
8505 	 * (for D3 link)
8506 	 */
8507 	if (pmd_dis) {
8508 		if (params->feature_config_flags &
8509 		     ELINK_FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED) {
8510 			ELINK_DEBUG_P0(cb, "Disabling PMD transmitter\n");
8511 		} else {
8512 			ELINK_DEBUG_P0(cb, "NOT disabling PMD transmitter\n");
8513 			return;
8514 		}
8515 	} else
8516 		ELINK_DEBUG_P0(cb, "Enabling PMD transmitter\n");
8517 	elink_cl45_write(cb, phy,
8518 			 MDIO_PMA_DEVAD,
8519 			 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
8520 }
8521 #endif // EXCLUDE_BCM8727_BCM8073
8522 
8523 #if !defined(EXCLUDE_BCM87x6) || !defined(EXCLUDE_BCM8727_BCM8073)
8524 static u8 elink_get_gpio_port(struct elink_params *params)
8525 {
8526 	u8 gpio_port;
8527 	u32 swap_val, swap_override;
8528 	struct elink_dev *cb = params->cb;
8529 	if (CHIP_IS_E2(params->chip_id))
8530 		gpio_port = PATH_ID(cb);
8531 	else
8532 		gpio_port = params->port;
8533 	swap_val = REG_RD(cb, NIG_REG_PORT_SWAP);
8534 	swap_override = REG_RD(cb, NIG_REG_STRAP_OVERRIDE);
8535 	return gpio_port ^ (swap_val && swap_override);
8536 }
8537 
8538 static void elink_sfp_e1e2_set_transmitter(struct elink_params *params,
8539 					   struct elink_phy *phy,
8540 					   u8 tx_en)
8541 {
8542 	u16 val;
8543 	u8 port = params->port;
8544 	struct elink_dev *cb = params->cb;
8545 	u32 tx_en_mode;
8546 
8547 	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
8548 	tx_en_mode = REG_RD(cb, params->shmem_base +
8549 			    OFFSETOF(struct shmem_region,
8550 				     dev_info.port_hw_config[port].sfp_ctrl)) &
8551 		PORT_HW_CFG_TX_LASER_MASK;
8552 	ELINK_DEBUG_P3(cb, "Setting transmitter tx_en=%x for port %x "
8553 			   "mode = %x\n", tx_en, port, tx_en_mode);
8554 	switch (tx_en_mode) {
8555 	case PORT_HW_CFG_TX_LASER_MDIO:
8556 
8557 		elink_cl45_read(cb, phy,
8558 				MDIO_PMA_DEVAD,
8559 				MDIO_PMA_REG_PHY_IDENTIFIER,
8560 				&val);
8561 
8562 		if (tx_en)
8563 			val &= ~(1<<15);
8564 		else
8565 			val |= (1<<15);
8566 
8567 		elink_cl45_write(cb, phy,
8568 				 MDIO_PMA_DEVAD,
8569 				 MDIO_PMA_REG_PHY_IDENTIFIER,
8570 				 val);
8571 	break;
8572 	case PORT_HW_CFG_TX_LASER_GPIO0:
8573 	case PORT_HW_CFG_TX_LASER_GPIO1:
8574 	case PORT_HW_CFG_TX_LASER_GPIO2:
8575 	case PORT_HW_CFG_TX_LASER_GPIO3:
8576 	{
8577 		u16 gpio_pin;
8578 		u8 gpio_port, gpio_mode;
8579 		if (tx_en)
8580 			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
8581 		else
8582 			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
8583 
8584 		gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
8585 		gpio_port = elink_get_gpio_port(params);
8586 		ELINK_SET_GPIO(cb, gpio_pin, gpio_mode, gpio_port);
8587 		break;
8588 	}
8589 	default:
8590 		ELINK_DEBUG_P1(cb, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
8591 		break;
8592 	}
8593 }
8594 #endif /* !defined(EXCLUDE_BCM87x6) || !defined(EXCLUDE_BCM8727_BCM8073) */
8595 
8596 static void elink_sfp_set_transmitter(struct elink_params *params,
8597 				      struct elink_phy *phy,
8598 				      u8 tx_en)
8599 {
8600 #ifdef ELINK_ENHANCEMENTS
8601 	struct elink_dev *cb = params->cb;
8602 	ELINK_DEBUG_P1(cb, "Setting SFP+ transmitter to %d\n", tx_en);
8603 #endif // ELINK_ENHANCEMENTS
8604 #ifndef EXCLUDE_WARPCORE
8605 	if (CHIP_IS_E3(params->chip_id))
8606 		elink_sfp_e3_set_transmitter(params, phy, tx_en);
8607 #endif //  EXCLUDE_WARPCORE
8608 #ifdef ELINK_ENHANCEMENTS
8609 	else
8610 #endif // ELINK_ENHANCEMENTS
8611 #if !defined(EXCLUDE_BCM87x6) || !defined(EXCLUDE_BCM8727_BCM8073)
8612 		elink_sfp_e1e2_set_transmitter(params, phy, tx_en);
8613 #endif
8614 }
8615 
8616 static elink_status_t elink_8726_read_sfp_module_eeprom(struct elink_phy *phy,
8617 					     struct elink_params *params,
8618 					     u8 dev_addr, u16 addr, u8 byte_cnt,
8619 					     u8 *o_buf, u8 is_init)
8620 {
8621 #ifndef EXCLUDE_BCM87x6
8622 	struct elink_dev *cb = params->cb;
8623 	u16 val = 0;
8624 	u16 i;
8625 	if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) {
8626 		ELINK_DEBUG_P0(cb,
8627 		   "Reading from eeprom is limited to 0xf\n");
8628 		return ELINK_STATUS_ERROR;
8629 	}
8630 	/* Set the read command byte count */
8631 	elink_cl45_write(cb, phy,
8632 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
8633 			 (byte_cnt | (dev_addr << 8)));
8634 
8635 	/* Set the read command address */
8636 	elink_cl45_write(cb, phy,
8637 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
8638 			 addr);
8639 
8640 	/* Activate read command */
8641 	elink_cl45_write(cb, phy,
8642 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8643 			 0x2c0f);
8644 
8645 	/* Wait up to 500us for command complete status */
8646 	for (i = 0; i < 100; i++) {
8647 		elink_cl45_read(cb, phy,
8648 				MDIO_PMA_DEVAD,
8649 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8650 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8651 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
8652 			break;
8653 		USLEEP(cb, 5);
8654 	}
8655 
8656 	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
8657 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
8658 		ELINK_DEBUG_P1(cb,
8659 			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
8660 			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
8661 		return ELINK_STATUS_ERROR;
8662 	}
8663 
8664 	/* Read the buffer */
8665 	for (i = 0; i < byte_cnt; i++) {
8666 		elink_cl45_read(cb, phy,
8667 				MDIO_PMA_DEVAD,
8668 				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
8669 		o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
8670 	}
8671 
8672 	for (i = 0; i < 100; i++) {
8673 		elink_cl45_read(cb, phy,
8674 				MDIO_PMA_DEVAD,
8675 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8676 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8677 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
8678 			return ELINK_STATUS_OK;
8679 		MSLEEP(cb, 1);
8680 	}
8681 #endif // EXCLUDE_BCM87x6
8682 	return ELINK_STATUS_ERROR;
8683 }
8684 
8685 #ifndef EXCLUDE_WARPCORE
8686 #ifndef EXCLUDE_NON_COMMON_INIT
8687 static void elink_warpcore_power_module(struct elink_params *params,
8688 					u8 power)
8689 {
8690 	u32 pin_cfg;
8691 	struct elink_dev *cb = params->cb;
8692 
8693 	pin_cfg = (REG_RD(cb, params->shmem_base +
8694 			  OFFSETOF(struct shmem_region,
8695 			dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
8696 			PORT_HW_CFG_E3_PWR_DIS_MASK) >>
8697 			PORT_HW_CFG_E3_PWR_DIS_SHIFT;
8698 
8699 	if (pin_cfg == PIN_CFG_NA)
8700 		return;
8701 	ELINK_DEBUG_P2(cb, "Setting SFP+ module power to %d using pin cfg %d\n",
8702 		       power, pin_cfg);
8703 	/* Low ==> corresponding SFP+ module is powered
8704 	 * high ==> the SFP+ module is powered down
8705 	 */
8706 	elink_set_cfg_pin(cb, pin_cfg, power ^ 1);
8707 }
8708 #endif
8709 static elink_status_t elink_warpcore_read_sfp_module_eeprom(struct elink_phy *phy,
8710 						 struct elink_params *params,
8711 						 u8 dev_addr,
8712 						 u16 addr, u8 byte_cnt,
8713 						 u8 *o_buf, u8 is_init)
8714 {
8715 	elink_status_t rc = ELINK_STATUS_OK;
8716 	u8 i, j = 0, cnt = 0;
8717 	u32 data_array[4];
8718 	u16 addr32;
8719 	struct elink_dev *cb = params->cb;
8720 
8721 	if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) {
8722 		ELINK_DEBUG_P0(cb,
8723 		   "Reading from eeprom is limited to 16 bytes\n");
8724 		return ELINK_STATUS_ERROR;
8725 	}
8726 
8727 	/* 4 byte aligned address */
8728 	addr32 = addr & (~0x3);
8729 	do {
8730 		if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
8731 			elink_warpcore_power_module(params, 0);
8732 			/* Note that 100us are not enough here */
8733 			MSLEEP(cb, 1);
8734 			elink_warpcore_power_module(params, 1);
8735 		}
8736 		rc = elink_bsc_read(params, cb, dev_addr, addr32, 0, byte_cnt,
8737 				    data_array);
8738 	} while ((rc != ELINK_STATUS_OK) && (++cnt < I2C_WA_RETRY_CNT));
8739 
8740 	if (rc == ELINK_STATUS_OK) {
8741 		for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
8742 			o_buf[j] = *((u8 *)data_array + i);
8743 			j++;
8744 		}
8745 	}
8746 
8747 	return rc;
8748 }
8749 #endif /* EXCLUDE_WARPCORE */
8750 
8751 #ifndef EXCLUDE_BCM8727_BCM8073
8752 static elink_status_t elink_8727_read_sfp_module_eeprom(struct elink_phy *phy,
8753 					     struct elink_params *params,
8754 					     u8 dev_addr, u16 addr, u8 byte_cnt,
8755 					     u8 *o_buf, u8 is_init)
8756 {
8757 	struct elink_dev *cb = params->cb;
8758 	u16 val, i;
8759 
8760 	if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) {
8761 		ELINK_DEBUG_P0(cb,
8762 		   "Reading from eeprom is limited to 0xf\n");
8763 		return ELINK_STATUS_ERROR;
8764 	}
8765 
8766 	/* Set 2-wire transfer rate of SFP+ module EEPROM
8767 	 * to 100Khz since some DACs(direct attached cables) do
8768 	 * not work at 400Khz.
8769 	 */
8770 	elink_cl45_write(cb, phy,
8771 			 MDIO_PMA_DEVAD,
8772 			 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
8773 			 ((dev_addr << 8) | 1));
8774 
8775 	/* Need to read from 1.8000 to clear it */
8776 	elink_cl45_read(cb, phy,
8777 			MDIO_PMA_DEVAD,
8778 			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8779 			&val);
8780 
8781 	/* Set the read command byte count */
8782 	elink_cl45_write(cb, phy,
8783 			 MDIO_PMA_DEVAD,
8784 			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
8785 			 ((byte_cnt < 2) ? 2 : byte_cnt));
8786 
8787 	/* Set the read command address */
8788 	elink_cl45_write(cb, phy,
8789 			 MDIO_PMA_DEVAD,
8790 			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
8791 			 addr);
8792 	/* Set the destination address */
8793 	elink_cl45_write(cb, phy,
8794 			 MDIO_PMA_DEVAD,
8795 			 0x8004,
8796 			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
8797 
8798 	/* Activate read command */
8799 	elink_cl45_write(cb, phy,
8800 			 MDIO_PMA_DEVAD,
8801 			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8802 			 0x8002);
8803 	/* Wait appropriate time for two-wire command to finish before
8804 	 * polling the status register
8805 	 */
8806 	MSLEEP(cb, 1);
8807 
8808 	/* Wait up to 500us for command complete status */
8809 	for (i = 0; i < 100; i++) {
8810 		elink_cl45_read(cb, phy,
8811 				MDIO_PMA_DEVAD,
8812 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8813 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8814 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
8815 			break;
8816 		USLEEP(cb, 5);
8817 	}
8818 
8819 	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
8820 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
8821 		ELINK_DEBUG_P1(cb,
8822 			 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
8823 			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
8824 		return ELINK_STATUS_TIMEOUT;
8825 	}
8826 
8827 	/* Read the buffer */
8828 	for (i = 0; i < byte_cnt; i++) {
8829 		elink_cl45_read(cb, phy,
8830 				MDIO_PMA_DEVAD,
8831 				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
8832 		o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
8833 	}
8834 
8835 	for (i = 0; i < 100; i++) {
8836 		elink_cl45_read(cb, phy,
8837 				MDIO_PMA_DEVAD,
8838 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8839 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8840 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
8841 			return ELINK_STATUS_OK;
8842 		MSLEEP(cb, 1);
8843 	}
8844 
8845 	return ELINK_STATUS_ERROR;
8846 }
8847 #endif /* EXCLUDE_BCM8727_BCM8073 */
8848 #endif /* #ifndef EXCLUDE_NON_COMMON_INIT */
8849 #endif /* ELINK_EMUL_ONLY */
8850 #ifndef EXCLUDE_FROM_BNX2X
8851 elink_status_t elink_validate_cc_dmi(u8 *sfp_a2_buf)
8852 {
8853 	u8 i, checksum = 0;
8854 	for (i = 0; i < ELINK_SFP_EEPROM_A2_CHECKSUM_RANGE; i++)
8855 		checksum += sfp_a2_buf[i];
8856 	if (checksum == sfp_a2_buf[ELINK_SFP_EEPROM_A2_CC_DMI_ADDR])
8857 		return ELINK_STATUS_OK;
8858 
8859 	return ELINK_STATUS_ERROR;
8860 }
8861 #endif
8862 #ifndef EXCLUDE_NON_COMMON_INIT
8863 elink_status_t elink_read_sfp_module_eeprom(struct elink_phy *phy,
8864 				 struct elink_params *params, u8 dev_addr,
8865 				 u16 addr, u16 byte_cnt, u8 *o_buf)
8866 {
8867 	elink_status_t rc = 0;
8868 #ifdef ELINK_DEBUG
8869 	struct elink_dev *cb = params->cb;
8870 #endif
8871 	u8 xfer_size;
8872 	u8 *user_data = o_buf;
8873 	read_sfp_module_eeprom_func_p read_func;
8874 	if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
8875 		ELINK_DEBUG_P1(cb, "invalid dev_addr 0x%x\n", dev_addr);
8876 		return ELINK_STATUS_ERROR;
8877 	}
8878 
8879 #ifndef ELINK_EMUL_ONLY
8880 	switch (phy->type) {
8881 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8882 		read_func = elink_8726_read_sfp_module_eeprom;
8883 		break;
8884 #ifndef EXCLUDE_BCM8727_BCM8073
8885 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8886 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8887 		read_func = elink_8727_read_sfp_module_eeprom;
8888 		break;
8889 #endif
8890 #ifndef EXCLUDE_WARPCORE
8891 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8892 		read_func = elink_warpcore_read_sfp_module_eeprom;
8893 		break;
8894 #endif /* EXCLUDE_WARPCORE */
8895 	default:
8896 		return ELINK_OP_NOT_SUPPORTED;
8897 	}
8898 
8899 	while (!rc && (byte_cnt > 0)) {
8900 		xfer_size = (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) ?
8901 			ELINK_SFP_EEPROM_PAGE_SIZE : byte_cnt;
8902 		rc = read_func(phy, params, dev_addr, addr, xfer_size,
8903 			       user_data, 0);
8904 		byte_cnt -= xfer_size;
8905 		user_data += xfer_size;
8906 		addr += xfer_size;
8907 	}
8908 #endif /* ELINK_EMUL_ONLY */
8909 	return rc;
8910 }
8911 #endif // EXCLUDE_NON_COMMON_INIT
8912 #ifndef ELINK_EMUL_ONLY
8913 
8914 #ifndef EXCLUDE_NON_COMMON_INIT
8915 #if !defined(EXCLUDE_BCM87x6) || !defined(EXCLUDE_BCM8727_BCM8073) || !defined(EXCLUDE_WARPCORE)
8916 static elink_status_t elink_get_edc_mode(struct elink_phy *phy,
8917 			      struct elink_params *params,
8918 			      u16 *edc_mode)
8919 {
8920 	struct elink_dev *cb = params->cb;
8921 	u32 sync_offset = 0, phy_idx, media_types;
8922 	u8 val[ELINK_SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0;
8923 	*edc_mode = ELINK_EDC_MODE_LIMITING;
8924 	phy->media_type = ELINK_ETH_PHY_UNSPECIFIED;
8925 	/* First check for copper cable */
8926 	if (elink_read_sfp_module_eeprom(phy,
8927 					 params,
8928 					 ELINK_I2C_DEV_ADDR_A0,
8929 					 0,
8930 					 ELINK_SFP_EEPROM_FC_TX_TECH_ADDR + 1,
8931 					 (u8 *)val) != 0) {
8932 		ELINK_DEBUG_P0(cb, "Failed to read from SFP+ module EEPROM\n");
8933 		return ELINK_STATUS_ERROR;
8934 	}
8935 #ifndef EXCLUDE_WARPCORE
8936 	params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
8937 	params->link_attr_sync |= val[ELINK_SFP_EEPROM_10G_COMP_CODE_ADDR] <<
8938 		LINK_SFP_EEPROM_COMP_CODE_SHIFT;
8939 	elink_update_link_attr(params, params->link_attr_sync);
8940 #endif
8941 	switch (val[ELINK_SFP_EEPROM_CON_TYPE_ADDR]) {
8942 	case ELINK_SFP_EEPROM_CON_TYPE_VAL_COPPER:
8943 	{
8944 		u8 copper_module_type;
8945 		phy->media_type = ELINK_ETH_PHY_DA_TWINAX;
8946 		/* Check if its active cable (includes SFP+ module)
8947 		 * of passive cable
8948 		 */
8949 		copper_module_type = val[ELINK_SFP_EEPROM_FC_TX_TECH_ADDR];
8950 		if (copper_module_type &
8951 		    ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
8952 			ELINK_DEBUG_P0(cb, "Active Copper cable detected\n");
8953 			if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8954 				*edc_mode = ELINK_EDC_MODE_ACTIVE_DAC;
8955 			else
8956 				check_limiting_mode = 1;
8957 		} else {
8958 			*edc_mode = ELINK_EDC_MODE_PASSIVE_DAC;
8959 			/* Even in case PASSIVE_DAC indication is not set,
8960 			 * treat it as a passive DAC cable, since some cables
8961 			 * don't have this indication.
8962 			 */
8963 			if (copper_module_type &
8964 			    ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
8965 				ELINK_DEBUG_P0(cb,
8966 					       "Passive Copper cable detected\n");
8967 			} else {
8968 				ELINK_DEBUG_P0(cb,
8969 					       "Unknown copper-cable-type\n");
8970 			}
8971 		}
8972 		break;
8973 	}
8974 	case ELINK_SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
8975 	case ELINK_SFP_EEPROM_CON_TYPE_VAL_LC:
8976 	case ELINK_SFP_EEPROM_CON_TYPE_VAL_RJ45:
8977 		check_limiting_mode = 1;
8978 		/* Module is considered as 1G in case it's NOT compliant with
8979 		 * any 10G ethernet protocol.
8980 		 */
8981 		if ((val[ELINK_SFP_EEPROM_10G_COMP_CODE_ADDR] &
8982 		     (ELINK_SFP_EEPROM_10G_COMP_CODE_SR_MASK |
8983 		      ELINK_SFP_EEPROM_10G_COMP_CODE_LR_MASK |
8984 		      ELINK_SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) {
8985 			ELINK_DEBUG_P0(cb, "1G SFP module detected\n");
8986 			phy->media_type = ELINK_ETH_PHY_SFP_1G_FIBER;
8987 			if (phy->req_line_speed != ELINK_SPEED_1000) {
8988 #ifndef ELINK_AUX_POWER
8989 				u8 gport = params->port;
8990 #endif
8991 				phy->req_line_speed = ELINK_SPEED_1000;
8992 #ifndef ELINK_AUX_POWER
8993 				if (!CHIP_IS_E1X(params->chip_id)) {
8994 					gport = PATH_ID(cb) +
8995 					(params->port << 1);
8996 				}
8997 				elink_cb_event_log(cb, ELINK_LOG_ID_NON_10G_MODULE, gport); //"Warning: Link speed was forced to 1000Mbps."
8998 				     // " Current SFP module in port %d is not"
8999 				     // " compliant with 10G Ethernet\n",
9000 #endif
9001 			}
9002 
9003 			if (val[ELINK_SFP_EEPROM_1G_COMP_CODE_ADDR] &
9004 			    ELINK_SFP_EEPROM_1G_COMP_CODE_BASE_T) {
9005 				/* Some 1G-baseT modules will not link up,
9006 				 * unless TX_EN is toggled with long delay in
9007 				 * between.
9008 				 */
9009 				elink_sfp_set_transmitter(params, phy, 0);
9010 				MSLEEP(cb, 40);
9011 				elink_sfp_set_transmitter(params, phy, 1);
9012 			}
9013 		} else {
9014 			int idx, cfg_idx = 0;
9015 			ELINK_DEBUG_P0(cb, "10G Optic module detected\n");
9016 			for (idx = ELINK_INT_PHY; idx < ELINK_MAX_PHYS; idx++) {
9017 				if (params->phy[idx].type == phy->type) {
9018 					cfg_idx = ELINK_LINK_CONFIG_IDX(idx);
9019 					break;
9020 				}
9021 			}
9022 			phy->media_type = ELINK_ETH_PHY_SFPP_10G_FIBER;
9023 			phy->req_line_speed = params->req_line_speed[cfg_idx];
9024 		}
9025 		break;
9026 	default:
9027 		ELINK_DEBUG_P1(cb, "Unable to determine module type 0x%x !!!\n",
9028 			 val[ELINK_SFP_EEPROM_CON_TYPE_ADDR]);
9029 		return ELINK_STATUS_ERROR;
9030 	}
9031 	sync_offset = params->shmem_base +
9032 		OFFSETOF(struct shmem_region,
9033 			 dev_info.port_hw_config[params->port].media_type);
9034 	media_types = REG_RD(cb, sync_offset);
9035 	/* Update media type for non-PMF sync */
9036 	for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
9037 		if (&(params->phy[phy_idx]) == phy) {
9038 			media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
9039 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
9040 			media_types |= ((phy->media_type &
9041 					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
9042 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
9043 			break;
9044 		}
9045 	}
9046 	REG_WR(cb, sync_offset, media_types);
9047 	if (check_limiting_mode) {
9048 		u8 options[ELINK_SFP_EEPROM_OPTIONS_SIZE];
9049 		if (elink_read_sfp_module_eeprom(phy,
9050 						 params,
9051 						 ELINK_I2C_DEV_ADDR_A0,
9052 						 ELINK_SFP_EEPROM_OPTIONS_ADDR,
9053 						 ELINK_SFP_EEPROM_OPTIONS_SIZE,
9054 						 options) != 0) {
9055 			ELINK_DEBUG_P0(cb,
9056 			   "Failed to read Option field from module EEPROM\n");
9057 			return ELINK_STATUS_ERROR;
9058 		}
9059 		if ((options[0] & ELINK_SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
9060 			*edc_mode = ELINK_EDC_MODE_LINEAR;
9061 		else
9062 			*edc_mode = ELINK_EDC_MODE_LIMITING;
9063 	}
9064 	ELINK_DEBUG_P1(cb, "EDC mode is set to 0x%x\n", *edc_mode);
9065 	return ELINK_STATUS_OK;
9066 }
9067 #ifdef ELINK_ENHANCEMENTS
9068 /* This function read the relevant field from the module (SFP+), and verify it
9069  * is compliant with this board
9070  */
9071 static elink_status_t elink_verify_sfp_module(struct elink_phy *phy,
9072 				   struct elink_params *params)
9073 {
9074 	struct elink_dev *cb = params->cb;
9075 	u32 val, cmd;
9076 	u32 fw_resp, fw_cmd_param;
9077 	char vendor_name[ELINK_SFP_EEPROM_VENDOR_NAME_SIZE+1];
9078 	char vendor_pn[ELINK_SFP_EEPROM_PART_NO_SIZE+1];
9079 	phy->flags &= ~ELINK_FLAGS_SFP_NOT_APPROVED;
9080 	val = REG_RD(cb, params->shmem_base +
9081 			 OFFSETOF(struct shmem_region, dev_info.
9082 				  port_feature_config[params->port].config));
9083 	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9084 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
9085 		ELINK_DEBUG_P0(cb, "NOT enforcing module verification\n");
9086 		return ELINK_STATUS_OK;
9087 	}
9088 
9089 	if (params->feature_config_flags &
9090 	    ELINK_FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
9091 		/* Use specific phy request */
9092 		cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
9093 	} else if (params->feature_config_flags &
9094 		   ELINK_FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
9095 		/* Use first phy request only in case of non-dual media*/
9096 		if (ELINK_DUAL_MEDIA(params)) {
9097 			ELINK_DEBUG_P0(cb,
9098 			   "FW does not support OPT MDL verification\n");
9099 			return ELINK_STATUS_ERROR;
9100 		}
9101 		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
9102 	} else {
9103 		/* No support in OPT MDL detection */
9104 		ELINK_DEBUG_P0(cb,
9105 		   "FW does not support OPT MDL verification\n");
9106 		return ELINK_STATUS_ERROR;
9107 	}
9108 
9109 	fw_cmd_param = ELINK_FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
9110 	fw_resp = elink_cb_fw_command(cb, cmd, fw_cmd_param);
9111 	if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
9112 		ELINK_DEBUG_P0(cb, "Approved module\n");
9113 		return ELINK_STATUS_OK;
9114 	}
9115 
9116 	/* Format the warning message */
9117 	if (elink_read_sfp_module_eeprom(phy,
9118 					 params,
9119 					 ELINK_I2C_DEV_ADDR_A0,
9120 					 ELINK_SFP_EEPROM_VENDOR_NAME_ADDR,
9121 					 ELINK_SFP_EEPROM_VENDOR_NAME_SIZE,
9122 					 (u8 *)vendor_name))
9123 		vendor_name[0] = '\0';
9124 	else
9125 		vendor_name[ELINK_SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
9126 	if (elink_read_sfp_module_eeprom(phy,
9127 					 params,
9128 					 ELINK_I2C_DEV_ADDR_A0,
9129 					 ELINK_SFP_EEPROM_PART_NO_ADDR,
9130 					 ELINK_SFP_EEPROM_PART_NO_SIZE,
9131 					 (u8 *)vendor_pn))
9132 		vendor_pn[0] = '\0';
9133 	else
9134 		vendor_pn[ELINK_SFP_EEPROM_PART_NO_SIZE] = '\0';
9135 
9136 	elink_cb_event_log(cb, ELINK_LOG_ID_UNQUAL_IO_MODULE, params->port, vendor_name, vendor_pn); // "Warning: Unqualified SFP+ module detected,"
9137 			     // " Port %d from %s part number %s\n",
9138 
9139 	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
9140 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
9141 		phy->flags |= ELINK_FLAGS_SFP_NOT_APPROVED;
9142 	return ELINK_STATUS_ERROR;
9143 }
9144 #endif /* ELINK_ENHANCEMENTS */
9145 
9146 #ifndef EXCLUDE_BCM8727_BCM8073
9147 static elink_status_t elink_wait_for_sfp_module_initialized(struct elink_phy *phy,
9148 						 struct elink_params *params)
9149 
9150 {
9151 	u8 val;
9152 	elink_status_t rc;
9153 	struct elink_dev *cb = params->cb;
9154 	u16 timeout;
9155 	/* Initialization time after hot-plug may take up to 300ms for
9156 	 * some phys type ( e.g. JDSU )
9157 	 */
9158 
9159 	for (timeout = 0; timeout < 60; timeout++) {
9160 #ifndef EXCLUDE_WARPCORE
9161 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
9162 			rc = elink_warpcore_read_sfp_module_eeprom(
9163 				phy, params, ELINK_I2C_DEV_ADDR_A0, 1, 1, &val,
9164 				1);
9165 		else
9166 #endif
9167 			rc = elink_read_sfp_module_eeprom(phy, params,
9168 							  ELINK_I2C_DEV_ADDR_A0,
9169 							  1, 1, &val);
9170 		if (rc == 0) {
9171 			ELINK_DEBUG_P1(cb,
9172 			   "SFP+ module initialization took %d ms\n",
9173 			   timeout * 5);
9174 			return ELINK_STATUS_OK;
9175 		}
9176 		MSLEEP(cb, 5);
9177 	}
9178 	rc = elink_read_sfp_module_eeprom(phy, params, ELINK_I2C_DEV_ADDR_A0,
9179 					  1, 1, &val);
9180 	return rc;
9181 }
9182 #endif  /* EXCLUDE_BCM8727_BCM8073 */
9183 #endif /* #if !defined(EXCLUDE_BCM87x6) || !defined(EXCLUDE_BCM8727_BCM8073) || !defined(EXCLUDE_WARPCORE) */
9184 
9185 #ifndef EXCLUDE_BCM8727_BCM8073
9186 static void elink_8727_power_module(struct elink_dev *cb,
9187 				    struct elink_phy *phy,
9188 				    u8 is_power_up) {
9189 	/* Make sure GPIOs are not using for LED mode */
9190 	u16 val;
9191 	/* In the GPIO register, bit 4 is use to determine if the GPIOs are
9192 	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
9193 	 * output
9194 	 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
9195 	 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
9196 	 * where the 1st bit is the over-current(only input), and 2nd bit is
9197 	 * for power( only output )
9198 	 *
9199 	 * In case of NOC feature is disabled and power is up, set GPIO control
9200 	 *  as input to enable listening of over-current indication
9201 	 */
9202 	if (phy->flags & ELINK_FLAGS_NOC)
9203 		return;
9204 	if (is_power_up)
9205 		val = (1<<4);
9206 	else
9207 		/* Set GPIO control to OUTPUT, and set the power bit
9208 		 * to according to the is_power_up
9209 		 */
9210 		val = (1<<1);
9211 
9212 	elink_cl45_write(cb, phy,
9213 			 MDIO_PMA_DEVAD,
9214 			 MDIO_PMA_REG_8727_GPIO_CTRL,
9215 			 val);
9216 }
9217 #endif /* EXCLUDE_BCM8727_BCM8073 */
9218 
9219 #ifndef EXCLUDE_BCM87x6
9220 static elink_status_t elink_8726_set_limiting_mode(struct elink_dev *cb,
9221 					struct elink_phy *phy,
9222 					u16 edc_mode)
9223 {
9224 	u16 cur_limiting_mode;
9225 
9226 	elink_cl45_read(cb, phy,
9227 			MDIO_PMA_DEVAD,
9228 			MDIO_PMA_REG_ROM_VER2,
9229 			&cur_limiting_mode);
9230 	ELINK_DEBUG_P1(cb, "Current Limiting mode is 0x%x\n",
9231 		 cur_limiting_mode);
9232 
9233 	if (edc_mode == ELINK_EDC_MODE_LIMITING) {
9234 		ELINK_DEBUG_P0(cb, "Setting LIMITING MODE\n");
9235 		elink_cl45_write(cb, phy,
9236 				 MDIO_PMA_DEVAD,
9237 				 MDIO_PMA_REG_ROM_VER2,
9238 				 ELINK_EDC_MODE_LIMITING);
9239 	} else { /* LRM mode ( default )*/
9240 
9241 		ELINK_DEBUG_P0(cb, "Setting LRM MODE\n");
9242 
9243 		/* Changing to LRM mode takes quite few seconds. So do it only
9244 		 * if current mode is limiting (default is LRM)
9245 		 */
9246 		if (cur_limiting_mode != ELINK_EDC_MODE_LIMITING)
9247 			return ELINK_STATUS_OK;
9248 
9249 		elink_cl45_write(cb, phy,
9250 				 MDIO_PMA_DEVAD,
9251 				 MDIO_PMA_REG_LRM_MODE,
9252 				 0);
9253 		elink_cl45_write(cb, phy,
9254 				 MDIO_PMA_DEVAD,
9255 				 MDIO_PMA_REG_ROM_VER2,
9256 				 0x128);
9257 		elink_cl45_write(cb, phy,
9258 				 MDIO_PMA_DEVAD,
9259 				 MDIO_PMA_REG_MISC_CTRL0,
9260 				 0x4008);
9261 		elink_cl45_write(cb, phy,
9262 				 MDIO_PMA_DEVAD,
9263 				 MDIO_PMA_REG_LRM_MODE,
9264 				 0xaaaa);
9265 	}
9266 	return ELINK_STATUS_OK;
9267 }
9268 #endif /* #ifndef EXCLUDE_BCM87x6 */
9269 
9270 #ifndef EXCLUDE_BCM8727_BCM8073
9271 static elink_status_t elink_8727_set_limiting_mode(struct elink_dev *cb,
9272 					struct elink_phy *phy,
9273 					u16 edc_mode)
9274 {
9275 	u16 phy_identifier;
9276 	u16 rom_ver2_val;
9277 	elink_cl45_read(cb, phy,
9278 			MDIO_PMA_DEVAD,
9279 			MDIO_PMA_REG_PHY_IDENTIFIER,
9280 			&phy_identifier);
9281 
9282 	elink_cl45_write(cb, phy,
9283 			 MDIO_PMA_DEVAD,
9284 			 MDIO_PMA_REG_PHY_IDENTIFIER,
9285 			 (phy_identifier & ~(1<<9)));
9286 
9287 	elink_cl45_read(cb, phy,
9288 			MDIO_PMA_DEVAD,
9289 			MDIO_PMA_REG_ROM_VER2,
9290 			&rom_ver2_val);
9291 	/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
9292 	elink_cl45_write(cb, phy,
9293 			 MDIO_PMA_DEVAD,
9294 			 MDIO_PMA_REG_ROM_VER2,
9295 			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
9296 
9297 	elink_cl45_write(cb, phy,
9298 			 MDIO_PMA_DEVAD,
9299 			 MDIO_PMA_REG_PHY_IDENTIFIER,
9300 			 (phy_identifier | (1<<9)));
9301 
9302 	return ELINK_STATUS_OK;
9303 }
9304 
9305 static void elink_8727_specific_func(struct elink_phy *phy,
9306 				     struct elink_params *params,
9307 				     u32 action)
9308 {
9309 	struct elink_dev *cb = params->cb;
9310 	u16 val;
9311 	switch (action) {
9312 	case ELINK_DISABLE_TX:
9313 		elink_sfp_set_transmitter(params, phy, 0);
9314 		break;
9315 	case ELINK_ENABLE_TX:
9316 		if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED))
9317 			elink_sfp_set_transmitter(params, phy, 1);
9318 		break;
9319 	case ELINK_PHY_INIT:
9320 		elink_cl45_write(cb, phy,
9321 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9322 				 (1<<2) | (1<<5));
9323 		elink_cl45_write(cb, phy,
9324 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
9325 				 0);
9326 		elink_cl45_write(cb, phy,
9327 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
9328 		/* Make MOD_ABS give interrupt on change */
9329 		elink_cl45_read(cb, phy, MDIO_PMA_DEVAD,
9330 				MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9331 				&val);
9332 		val |= (1<<12);
9333 		if (phy->flags & ELINK_FLAGS_NOC)
9334 			val |= (3<<5);
9335 		/* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
9336 		 * status which reflect SFP+ module over-current
9337 		 */
9338 		if (!(phy->flags & ELINK_FLAGS_NOC))
9339 			val &= 0xff8f; /* Reset bits 4-6 */
9340 		elink_cl45_write(cb, phy,
9341 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9342 				 val);
9343 		break;
9344 	default:
9345 		ELINK_DEBUG_P1(cb, "Function 0x%x not supported by 8727\n",
9346 		   action);
9347 		return;
9348 	}
9349 }
9350 
9351 #ifdef ELINK_ENHANCEMENTS
9352 static void elink_set_e1e2_module_fault_led(struct elink_params *params,
9353 					   u8 gpio_mode)
9354 {
9355 	struct elink_dev *cb = params->cb;
9356 
9357 	u32 fault_led_gpio = REG_RD(cb, params->shmem_base +
9358 			    OFFSETOF(struct shmem_region,
9359 			dev_info.port_hw_config[params->port].sfp_ctrl)) &
9360 		PORT_HW_CFG_FAULT_MODULE_LED_MASK;
9361 	switch (fault_led_gpio) {
9362 	case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
9363 		return;
9364 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
9365 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
9366 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
9367 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
9368 	{
9369 		u8 gpio_port = elink_get_gpio_port(params);
9370 		u16 gpio_pin = fault_led_gpio -
9371 			PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
9372 		ELINK_DEBUG_P3(cb, "Set fault module-detected led "
9373 				   "pin %x port %x mode %x\n",
9374 			       gpio_pin, gpio_port, gpio_mode);
9375 		ELINK_SET_GPIO(cb, gpio_pin, gpio_mode, gpio_port);
9376 	}
9377 	break;
9378 	default:
9379 		ELINK_DEBUG_P1(cb, "Error: Invalid fault led mode 0x%x\n",
9380 			       fault_led_gpio);
9381 	}
9382 }
9383 #endif /* #ifdef ELINK_ENHANCEMENTS */
9384 #endif // EXCLUDE_BCM8727_BCM8073
9385 #endif // EXCLUDE_NON_COMMON_INIT
9386 
9387 #ifdef ELINK_ENHANCEMENTS
9388 static void elink_set_e3_module_fault_led(struct elink_params *params,
9389 					  u8 gpio_mode)
9390 {
9391 	u32 pin_cfg;
9392 	u8 port = params->port;
9393 	struct elink_dev *cb = params->cb;
9394 	pin_cfg = (REG_RD(cb, params->shmem_base +
9395 			 OFFSETOF(struct shmem_region,
9396 				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
9397 		PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
9398 		PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
9399 	ELINK_DEBUG_P2(cb, "Setting Fault LED to %d using pin cfg %d\n",
9400 		       gpio_mode, pin_cfg);
9401 	elink_set_cfg_pin(cb, pin_cfg, gpio_mode);
9402 }
9403 
9404 static void elink_set_sfp_module_fault_led(struct elink_params *params,
9405 					   u8 gpio_mode)
9406 {
9407 	struct elink_dev *cb = params->cb;
9408 	ELINK_DEBUG_P1(cb, "Setting SFP+ module fault LED to %d\n", gpio_mode);
9409 	if (CHIP_IS_E3(params->chip_id)) {
9410 		/* Low ==> if SFP+ module is supported otherwise
9411 		 * High ==> if SFP+ module is not on the approved vendor list
9412 		 */
9413 		elink_set_e3_module_fault_led(params, gpio_mode);
9414 	} else
9415 		elink_set_e1e2_module_fault_led(params, gpio_mode);
9416 }
9417 #endif /* #ifdef ELINK_ENHANCEMENTS */
9418 
9419 #ifndef EXCLUDE_WARPCORE
9420 #ifndef EXCLUDE_NON_COMMON_INIT
9421 static void elink_warpcore_hw_reset(struct elink_phy *phy,
9422 				    struct elink_params *params)
9423 {
9424 	struct elink_dev *cb = params->cb;
9425 	elink_warpcore_power_module(params, 0);
9426 	/* Put Warpcore in low power mode */
9427 	REG_WR(cb, MISC_REG_WC0_RESET, 0x0c0e);
9428 
9429 	/* Put LCPLL in low power mode */
9430 	REG_WR(cb, MISC_REG_LCPLL_E40_PWRDWN, 1);
9431 	REG_WR(cb, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
9432 	REG_WR(cb, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
9433 }
9434 #endif // #ifndef EXCLUDE_NON_COMMON_INIT
9435 #endif // #ifndef EXCLUDE_WARPCORE
9436 
9437 #ifndef EXCLUDE_NON_COMMON_INIT
9438 static void elink_power_sfp_module(struct elink_params *params,
9439 				   struct elink_phy *phy,
9440 				   u8 power)
9441 {
9442 #ifdef ELINK_DEBUG
9443 	struct elink_dev *cb = params->cb;
9444 #endif /* ELINK_DEBUG */
9445 	ELINK_DEBUG_P1(cb, "Setting SFP+ power to %x\n", power);
9446 
9447 	switch (phy->type) {
9448 #ifndef EXCLUDE_BCM8727_BCM8073
9449 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
9450 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
9451 		elink_8727_power_module(params->cb, phy, power);
9452 		break;
9453 #endif // EXCLUDE_BCM8727_BCM8073
9454 #ifndef EXCLUDE_WARPCORE
9455 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
9456 		elink_warpcore_power_module(params, power);
9457 		break;
9458 #endif // EXCLUDE_WARPCORE
9459 	default:
9460 		break;
9461 	}
9462 }
9463 #ifndef EXCLUDE_WARPCORE
9464 static void elink_warpcore_set_limiting_mode(struct elink_params *params,
9465 					     struct elink_phy *phy,
9466 					     u16 edc_mode)
9467 {
9468 	u16 val = 0;
9469 	u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
9470 	struct elink_dev *cb = params->cb;
9471 
9472 	u8 lane = elink_get_warpcore_lane(phy, params);
9473 	/* This is a global register which controls all lanes */
9474 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
9475 			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
9476 	val &= ~(0xf << (lane << 2));
9477 
9478 	switch (edc_mode) {
9479 	case ELINK_EDC_MODE_LINEAR:
9480 	case ELINK_EDC_MODE_LIMITING:
9481 		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
9482 		break;
9483 	case ELINK_EDC_MODE_PASSIVE_DAC:
9484 	case ELINK_EDC_MODE_ACTIVE_DAC:
9485 		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
9486 		break;
9487 	default:
9488 		break;
9489 	}
9490 
9491 	val |= (mode << (lane << 2));
9492 	elink_cl45_write(cb, phy, MDIO_WC_DEVAD,
9493 			 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
9494 	/* A must read */
9495 	elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
9496 			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
9497 
9498 	/* Restart microcode to re-read the new mode */
9499 	elink_warpcore_reset_lane(cb, phy, 1);
9500 	elink_warpcore_reset_lane(cb, phy, 0);
9501 
9502 }
9503 #endif // EXCLUDE_WARPCORE
9504 
9505 static void elink_set_limiting_mode(struct elink_params *params,
9506 				    struct elink_phy *phy,
9507 				    u16 edc_mode)
9508 {
9509 	switch (phy->type) {
9510 #ifndef EXCLUDE_BCM87x6
9511 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
9512 		elink_8726_set_limiting_mode(params->cb, phy, edc_mode);
9513 		break;
9514 #endif /* #ifndef EXCLUDE_BCM87x6 */
9515 #ifndef EXCLUDE_BCM8727_BCM8073
9516 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
9517 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
9518 		elink_8727_set_limiting_mode(params->cb, phy, edc_mode);
9519 		break;
9520 #endif // EXCLUDE_BCM8727_BCM8073
9521 #ifndef EXCLUDE_WARPCORE
9522 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
9523 		elink_warpcore_set_limiting_mode(params, phy, edc_mode);
9524 		break;
9525 #endif // EXCLUDE_WARPCORE
9526 	}
9527 }
9528 
9529 elink_status_t elink_sfp_module_detection(struct elink_phy *phy,
9530 			       struct elink_params *params)
9531 {
9532 	struct elink_dev *cb = params->cb;
9533 	u16 edc_mode;
9534 	elink_status_t rc = ELINK_STATUS_OK;
9535 
9536 	u32 val = REG_RD(cb, params->shmem_base +
9537 			     OFFSETOF(struct shmem_region, dev_info.
9538 				     port_feature_config[params->port].config));
9539 	/* Enabled transmitter by default */
9540 	elink_sfp_set_transmitter(params, phy, 1);
9541 	ELINK_DEBUG_P1(cb, "SFP+ module plugged in/out detected on port %d\n",
9542 		 params->port);
9543 	/* Power up module */
9544 	elink_power_sfp_module(params, phy, 1);
9545 	if (elink_get_edc_mode(phy, params, &edc_mode) != 0) {
9546 		ELINK_DEBUG_P0(cb, "Failed to get valid module type\n");
9547 		return ELINK_STATUS_ERROR;
9548 #ifdef ELINK_ENHANCEMENTS
9549 	} else if (elink_verify_sfp_module(phy, params) != 0) {
9550 		/* Check SFP+ module compatibility */
9551 		ELINK_DEBUG_P0(cb, "Module verification failed!!\n");
9552 		rc = ELINK_STATUS_ERROR;
9553 		/* Turn on fault module-detected led */
9554 		elink_set_sfp_module_fault_led(params,
9555 					       MISC_REGISTERS_GPIO_HIGH);
9556 
9557 		/* Check if need to power down the SFP+ module */
9558 		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9559 		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
9560 			ELINK_DEBUG_P0(cb, "Shutdown SFP+ module!!\n");
9561 			elink_power_sfp_module(params, phy, 0);
9562 			return rc;
9563 		}
9564 	} else {
9565 		/* Turn off fault module-detected led */
9566 		elink_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
9567 #endif // ELINK_ENHANCEMENTS
9568 	}
9569 
9570 	/* Check and set limiting mode / LRM mode on 8726. On 8727 it
9571 	 * is done automatically
9572 	 */
9573 	elink_set_limiting_mode(params, phy, edc_mode);
9574 
9575 	/* Disable transmit for this module if the module is not approved, and
9576 	 * laser needs to be disabled.
9577 	 */
9578 	if ((rc != 0) &&
9579 	    ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9580 	     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
9581 		elink_sfp_set_transmitter(params, phy, 0);
9582 
9583 	return rc;
9584 }
9585 #endif // EXCLUDE_NON_COMMON_INIT
9586 
9587 #ifdef ELINK_ENHANCEMENTS
9588 void elink_handle_module_detect_int(struct elink_params *params)
9589 {
9590 	struct elink_dev *cb = params->cb;
9591 	struct elink_phy *phy;
9592 	u32 gpio_val;
9593 	u8 gpio_num, gpio_port;
9594 	if (CHIP_IS_E3(params->chip_id)) {
9595 		phy = &params->phy[ELINK_INT_PHY];
9596 		/* Always enable TX laser,will be disabled in case of fault */
9597 		elink_sfp_set_transmitter(params, phy, 1);
9598 	} else {
9599 		phy = &params->phy[ELINK_EXT_PHY1];
9600 	}
9601 	if (elink_get_mod_abs_int_cfg(cb, params->chip_id, params->shmem_base,
9602 				      params->port, &gpio_num, &gpio_port) ==
9603 	    ELINK_STATUS_ERROR) {
9604 		ELINK_DEBUG_P0(cb, "Failed to get MOD_ABS interrupt config\n");
9605 		return;
9606 	}
9607 
9608 	/* Set valid module led off */
9609 	elink_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
9610 
9611 	/* Get current gpio val reflecting module plugged in / out*/
9612 	gpio_val = ELINK_GET_GPIO(cb, gpio_num, gpio_port);
9613 
9614 	/* Call the handling function in case module is detected */
9615 	if (gpio_val == 0) {
9616 #ifdef ELINK_AUX_POWER
9617 		phy->flags |= ELINK_FLAGS_SFP_MODULE_PLUGGED_IN_WC;
9618 #endif
9619 		elink_set_mdio_emac_per_phy(cb, params);
9620 		elink_set_aer_mmd(params, phy);
9621 
9622 		elink_power_sfp_module(params, phy, 1);
9623 		ELINK_SET_GPIO_INT(cb, gpio_num,
9624 				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
9625 				   gpio_port);
9626 		if (elink_wait_for_sfp_module_initialized(phy, params) == 0) {
9627 			elink_sfp_module_detection(phy, params);
9628 			if (CHIP_IS_E3(params->chip_id)) {
9629 				u16 rx_tx_in_reset;
9630 				/* In case WC is out of reset, reconfigure the
9631 				 * link speed while taking into account 1G
9632 				 * module limitation.
9633 				 */
9634 				elink_cl45_read(cb, phy,
9635 						MDIO_WC_DEVAD,
9636 						MDIO_WC_REG_DIGITAL5_MISC6,
9637 						&rx_tx_in_reset);
9638 				if ((!rx_tx_in_reset) &&
9639 				    (params->link_flags &
9640 				     ELINK_PHY_INITIALIZED)) {
9641 					elink_warpcore_reset_lane(cb, phy, 1);
9642 					elink_warpcore_config_sfi(phy, params);
9643 					elink_warpcore_reset_lane(cb, phy, 0);
9644 				}
9645 			}
9646 		} else {
9647 			ELINK_DEBUG_P0(cb, "SFP+ module is not initialized\n");
9648 		}
9649 	} else {
9650 #ifdef ELINK_AUX_POWER
9651 		phy->flags &= ~ELINK_FLAGS_SFP_MODULE_PLUGGED_IN_WC;
9652 #endif
9653 		ELINK_SET_GPIO_INT(cb, gpio_num,
9654 				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
9655 				   gpio_port);
9656 		/* Module was plugged out.
9657 		 * Disable transmit for this module
9658 		 */
9659 		phy->media_type = ELINK_ETH_PHY_NOT_PRESENT;
9660 	}
9661 }
9662 #endif // ELINK_ENHANCEMENTS
9663 
9664 /******************************************************************/
9665 /*		Used by 8706 and 8727                             */
9666 /******************************************************************/
9667 #ifndef EXCLUDE_NON_COMMON_INIT
9668 #if !defined(EXCLUDE_BCM87x6) || !defined(EXCLUDE_BCM8727_BCM8073)
9669 static void elink_sfp_mask_fault(struct elink_dev *cb,
9670 				 struct elink_phy *phy,
9671 				 u16 alarm_status_offset,
9672 				 u16 alarm_ctrl_offset)
9673 {
9674 	u16 alarm_status, val;
9675 	elink_cl45_read(cb, phy,
9676 			MDIO_PMA_DEVAD, alarm_status_offset,
9677 			&alarm_status);
9678 	elink_cl45_read(cb, phy,
9679 			MDIO_PMA_DEVAD, alarm_status_offset,
9680 			&alarm_status);
9681 	/* Mask or enable the fault event. */
9682 	elink_cl45_read(cb, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
9683 	if (alarm_status & (1<<0))
9684 		val &= ~(1<<0);
9685 	else
9686 		val |= (1<<0);
9687 	elink_cl45_write(cb, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
9688 }
9689 #endif // #if !defined(EXCLUDE_BCM87x6) || !defined(EXCLUDE_BCM8727_BCM8073
9690 /******************************************************************/
9691 /*		common BCM8706/BCM8726 PHY SECTION		  */
9692 /******************************************************************/
9693 #ifndef EXCLUDE_BCM87x6
9694 static u8 elink_8706_8726_read_status(struct elink_phy *phy,
9695 				      struct elink_params *params,
9696 				      struct elink_vars *vars)
9697 {
9698 	u8 link_up = 0;
9699 	u16 val1, val2, rx_sd, pcs_status;
9700 	struct elink_dev *cb = params->cb;
9701 	ELINK_DEBUG_P0(cb, "XGXS 8706/8726\n");
9702 	/* Clear RX Alarm*/
9703 	elink_cl45_read(cb, phy,
9704 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
9705 
9706 	elink_sfp_mask_fault(cb, phy, MDIO_PMA_LASI_TXSTAT,
9707 			     MDIO_PMA_LASI_TXCTRL);
9708 
9709 	/* Clear LASI indication*/
9710 	elink_cl45_read(cb, phy,
9711 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9712 	elink_cl45_read(cb, phy,
9713 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
9714 	ELINK_DEBUG_P2(cb, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
9715 
9716 	elink_cl45_read(cb, phy,
9717 			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
9718 	elink_cl45_read(cb, phy,
9719 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
9720 	elink_cl45_read(cb, phy,
9721 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
9722 	elink_cl45_read(cb, phy,
9723 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
9724 
9725 	ELINK_DEBUG_P3(cb, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
9726 			" link_status 0x%x\n", rx_sd, pcs_status, val2);
9727 	/* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
9728 	 * are set, or if the autoneg bit 1 is set
9729 	 */
9730 	link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
9731 	if (link_up) {
9732 		if (val2 & (1<<1))
9733 			vars->line_speed = ELINK_SPEED_1000;
9734 		else
9735 			vars->line_speed = ELINK_SPEED_10000;
9736 		elink_ext_phy_resolve_fc(phy, params, vars);
9737 		vars->duplex = DUPLEX_FULL;
9738 	}
9739 
9740 	/* Capture 10G link fault. Read twice to clear stale value. */
9741 	if (vars->line_speed == ELINK_SPEED_10000) {
9742 		elink_cl45_read(cb, phy, MDIO_PMA_DEVAD,
9743 			    MDIO_PMA_LASI_TXSTAT, &val1);
9744 		elink_cl45_read(cb, phy, MDIO_PMA_DEVAD,
9745 			    MDIO_PMA_LASI_TXSTAT, &val1);
9746 		if (val1 & (1<<0))
9747 			vars->fault_detected = 1;
9748 	}
9749 
9750 	return link_up;
9751 }
9752 
9753 /******************************************************************/
9754 /*			BCM8706 PHY SECTION			  */
9755 /******************************************************************/
9756 static elink_status_t
9757 elink_8706_config_init(struct elink_phy *phy, struct elink_params *params,
9758     struct elink_vars *vars)
9759 {
9760 	u32 tx_en_mode;
9761 	u16 cnt, val, tmp1;
9762 	struct elink_dev *cb = params->cb;
9763 
9764 	ELINK_SET_GPIO(cb, MISC_REGISTERS_GPIO_2,
9765 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9766 	/* HW reset */
9767 	elink_ext_phy_hw_reset(cb, params->port);
9768 	elink_cl45_write(cb, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
9769 	elink_wait_reset_complete(cb, phy, params);
9770 
9771 	/* Wait until fw is loaded */
9772 	for (cnt = 0; cnt < 100; cnt++) {
9773 		elink_cl45_read(cb, phy,
9774 				MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
9775 		if (val)
9776 			break;
9777 		MSLEEP(cb, 10);
9778 	}
9779 	ELINK_DEBUG_P1(cb, "XGXS 8706 is initialized after %d ms\n", cnt);
9780 	if ((params->feature_config_flags &
9781 	     ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9782 		u8 i;
9783 		u16 reg;
9784 		for (i = 0; i < 4; i++) {
9785 			reg = MDIO_XS_8706_REG_BANK_RX0 +
9786 				i*(MDIO_XS_8706_REG_BANK_RX1 -
9787 				   MDIO_XS_8706_REG_BANK_RX0);
9788 			elink_cl45_read(cb, phy, MDIO_XS_DEVAD, reg, &val);
9789 			/* Clear first 3 bits of the control */
9790 			val &= ~0x7;
9791 			/* Set control bits according to configuration */
9792 			val |= (phy->rx_preemphasis[i] & 0x7);
9793 			ELINK_DEBUG_P2(cb, "Setting RX Equalizer to BCM8706"
9794 				   " reg 0x%x <-- val 0x%x\n", reg, val);
9795 			elink_cl45_write(cb, phy, MDIO_XS_DEVAD, reg, val);
9796 		}
9797 	}
9798 	/* Force speed */
9799 	if (phy->req_line_speed == ELINK_SPEED_10000) {
9800 		ELINK_DEBUG_P0(cb, "XGXS 8706 force 10Gbps\n");
9801 
9802 		elink_cl45_write(cb, phy,
9803 				 MDIO_PMA_DEVAD,
9804 				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
9805 		elink_cl45_write(cb, phy,
9806 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
9807 				 0);
9808 		/* Arm LASI for link and Tx fault. */
9809 		elink_cl45_write(cb, phy,
9810 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
9811 	} else {
9812 		/* Force 1Gbps using autoneg with 1G advertisement */
9813 
9814 		/* Allow CL37 through CL73 */
9815 		ELINK_DEBUG_P0(cb, "XGXS 8706 AutoNeg\n");
9816 		elink_cl45_write(cb, phy,
9817 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
9818 
9819 		/* Enable Full-Duplex advertisement on CL37 */
9820 		elink_cl45_write(cb, phy,
9821 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
9822 		/* Enable CL37 AN */
9823 		elink_cl45_write(cb, phy,
9824 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
9825 		/* 1G support */
9826 		elink_cl45_write(cb, phy,
9827 				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
9828 
9829 		/* Enable clause 73 AN */
9830 		elink_cl45_write(cb, phy,
9831 				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
9832 		elink_cl45_write(cb, phy,
9833 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9834 				 0x0400);
9835 		elink_cl45_write(cb, phy,
9836 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9837 				 0x0004);
9838 	}
9839 	elink_save_bcm_spirom_ver(cb, phy, params->port);
9840 
9841 	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9842 	 * power mode, if TX Laser is disabled
9843 	 */
9844 
9845 	tx_en_mode = REG_RD(cb, params->shmem_base +
9846 			    OFFSETOF(struct shmem_region,
9847 				dev_info.port_hw_config[params->port].sfp_ctrl))
9848 			& PORT_HW_CFG_TX_LASER_MASK;
9849 
9850 	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9851 		ELINK_DEBUG_P0(cb, "Enabling TXONOFF_PWRDN_DIS\n");
9852 		elink_cl45_read(cb, phy,
9853 			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
9854 		tmp1 |= 0x1;
9855 		elink_cl45_write(cb, phy,
9856 			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
9857 	}
9858 
9859 	return ELINK_STATUS_OK;
9860 }
9861 
9862 static elink_status_t
9863 elink_8706_read_status(struct elink_phy *phy, struct elink_params *params,
9864     struct elink_vars *vars)
9865 {
9866 	return elink_8706_8726_read_status(phy, params, vars);
9867 }
9868 
9869 /******************************************************************/
9870 /*			BCM8726 PHY SECTION			  */
9871 /******************************************************************/
9872 static void elink_8726_config_loopback(struct elink_phy *phy,
9873 				       struct elink_params *params)
9874 {
9875 	struct elink_dev *cb = params->cb;
9876 	ELINK_DEBUG_P0(cb, "PMA/PMD ext_phy_loopback: 8726\n");
9877 	elink_cl45_write(cb, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
9878 }
9879 
9880 static void elink_8726_external_rom_boot(struct elink_phy *phy,
9881 					 struct elink_params *params)
9882 {
9883 	struct elink_dev *cb = params->cb;
9884 	/* Need to wait 100ms after reset */
9885 	MSLEEP(cb, 100);
9886 
9887 	/* Micro controller re-boot */
9888 	elink_cl45_write(cb, phy,
9889 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
9890 
9891 	/* Set soft reset */
9892 	elink_cl45_write(cb, phy,
9893 			 MDIO_PMA_DEVAD,
9894 			 MDIO_PMA_REG_GEN_CTRL,
9895 			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
9896 
9897 	elink_cl45_write(cb, phy,
9898 			 MDIO_PMA_DEVAD,
9899 			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
9900 
9901 	elink_cl45_write(cb, phy,
9902 			 MDIO_PMA_DEVAD,
9903 			 MDIO_PMA_REG_GEN_CTRL,
9904 			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
9905 
9906 	/* Wait for 150ms for microcode load */
9907 	MSLEEP(cb, 150);
9908 
9909 	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
9910 	elink_cl45_write(cb, phy,
9911 			 MDIO_PMA_DEVAD,
9912 			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
9913 
9914 	MSLEEP(cb, 200);
9915 	elink_save_bcm_spirom_ver(cb, phy, params->port);
9916 }
9917 
9918 static elink_status_t
9919 elink_8726_read_status(struct elink_phy *phy, struct elink_params *params,
9920     struct elink_vars *vars)
9921 {
9922 	struct elink_dev *cb = params->cb;
9923 	u16 val1;
9924 	u8 link_up = elink_8706_8726_read_status(phy, params, vars);
9925 	if (link_up) {
9926 		elink_cl45_read(cb, phy,
9927 				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9928 				&val1);
9929 		if (val1 & (1<<15)) {
9930 			ELINK_DEBUG_P0(cb, "Tx is disabled\n");
9931 			link_up = 0;
9932 			vars->line_speed = 0;
9933 		}
9934 	}
9935 	return link_up;
9936 }
9937 
9938 
9939 static elink_status_t
9940 elink_8726_config_init(struct elink_phy *phy, struct elink_params *params,
9941     struct elink_vars *vars)
9942 {
9943 	struct elink_dev *cb = params->cb;
9944 	ELINK_DEBUG_P0(cb, "Initializing BCM8726\n");
9945 
9946 	elink_cl45_write(cb, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9947 	elink_wait_reset_complete(cb, phy, params);
9948 
9949 	elink_8726_external_rom_boot(phy, params);
9950 
9951 	/* Need to call module detected on initialization since the module
9952 	 * detection triggered by actual module insertion might occur before
9953 	 * driver is loaded, and when driver is loaded, it reset all
9954 	 * registers, including the transmitter
9955 	 */
9956 	elink_sfp_module_detection(phy, params);
9957 
9958 	if (phy->req_line_speed == ELINK_SPEED_1000) {
9959 		ELINK_DEBUG_P0(cb, "Setting 1G force\n");
9960 		elink_cl45_write(cb, phy,
9961 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9962 		elink_cl45_write(cb, phy,
9963 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9964 		elink_cl45_write(cb, phy,
9965 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
9966 		elink_cl45_write(cb, phy,
9967 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9968 				 0x400);
9969 	} else if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
9970 		   (phy->speed_cap_mask &
9971 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
9972 		   ((phy->speed_cap_mask &
9973 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9974 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9975 		ELINK_DEBUG_P0(cb, "Setting 1G clause37\n");
9976 		/* Set Flow control */
9977 		elink_ext_phy_set_pause(params, phy, vars);
9978 		elink_cl45_write(cb, phy,
9979 				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
9980 		elink_cl45_write(cb, phy,
9981 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
9982 		elink_cl45_write(cb, phy,
9983 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
9984 		elink_cl45_write(cb, phy,
9985 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
9986 		elink_cl45_write(cb, phy,
9987 				MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
9988 		/* Enable RX-ALARM control to receive interrupt for 1G speed
9989 		 * change
9990 		 */
9991 		elink_cl45_write(cb, phy,
9992 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
9993 		elink_cl45_write(cb, phy,
9994 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9995 				 0x400);
9996 
9997 	} else { /* Default 10G. Set only LASI control */
9998 		elink_cl45_write(cb, phy,
9999 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
10000 	}
10001 
10002 	/* Set TX PreEmphasis if needed */
10003 	if ((params->feature_config_flags &
10004 	     ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
10005 		ELINK_DEBUG_P2(cb,
10006 		   "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
10007 			 phy->tx_preemphasis[0],
10008 			 phy->tx_preemphasis[1]);
10009 		elink_cl45_write(cb, phy,
10010 				 MDIO_PMA_DEVAD,
10011 				 MDIO_PMA_REG_8726_TX_CTRL1,
10012 				 phy->tx_preemphasis[0]);
10013 
10014 		elink_cl45_write(cb, phy,
10015 				 MDIO_PMA_DEVAD,
10016 				 MDIO_PMA_REG_8726_TX_CTRL2,
10017 				 phy->tx_preemphasis[1]);
10018 	}
10019 
10020 	return ELINK_STATUS_OK;
10021 
10022 }
10023 
10024 static void elink_8726_link_reset(struct elink_phy *phy,
10025 				  struct elink_params *params)
10026 {
10027 #ifndef EXCLUDE_LINK_RESET
10028 	struct elink_dev *cb = params->cb;
10029 	ELINK_DEBUG_P1(cb, "elink_8726_link_reset port %d\n", params->port);
10030 	/* Set serial boot control for external load */
10031 	elink_cl45_write(cb, phy,
10032 			 MDIO_PMA_DEVAD,
10033 			 MDIO_PMA_REG_GEN_CTRL, 0x0001);
10034 #endif // EXCLUDE_LINK_RESET
10035 }
10036 #endif /* #ifndef EXCLUDE_BCM87x6 */
10037 
10038 /******************************************************************/
10039 /*			BCM8727 PHY SECTION			  */
10040 /******************************************************************/
10041 
10042 #ifndef EXCLUDE_BCM8727_BCM8073
10043 static void elink_8727_set_link_led(struct elink_phy *phy,
10044 				    struct elink_params *params, u8 mode)
10045 {
10046 	struct elink_dev *cb = params->cb;
10047 	u16 led_mode_bitmask = 0;
10048 	u16 gpio_pins_bitmask = 0;
10049 	u16 val;
10050 	/* Only NOC flavor requires to set the LED specifically */
10051 	if (!(phy->flags & ELINK_FLAGS_NOC))
10052 		return;
10053 	switch (mode) {
10054 	case ELINK_LED_MODE_FRONT_PANEL_OFF:
10055 	case ELINK_LED_MODE_OFF:
10056 		led_mode_bitmask = 0;
10057 		gpio_pins_bitmask = 0x03;
10058 		break;
10059 	case ELINK_LED_MODE_ON:
10060 		led_mode_bitmask = 0;
10061 		gpio_pins_bitmask = 0x02;
10062 		break;
10063 	case ELINK_LED_MODE_OPER:
10064 		led_mode_bitmask = 0x60;
10065 		gpio_pins_bitmask = 0x11;
10066 		break;
10067 	}
10068 	elink_cl45_read(cb, phy,
10069 			MDIO_PMA_DEVAD,
10070 			MDIO_PMA_REG_8727_PCS_OPT_CTRL,
10071 			&val);
10072 	val &= 0xff8f;
10073 	val |= led_mode_bitmask;
10074 	elink_cl45_write(cb, phy,
10075 			 MDIO_PMA_DEVAD,
10076 			 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
10077 			 val);
10078 	elink_cl45_read(cb, phy,
10079 			MDIO_PMA_DEVAD,
10080 			MDIO_PMA_REG_8727_GPIO_CTRL,
10081 			&val);
10082 	val &= 0xffe0;
10083 	val |= gpio_pins_bitmask;
10084 	elink_cl45_write(cb, phy,
10085 			 MDIO_PMA_DEVAD,
10086 			 MDIO_PMA_REG_8727_GPIO_CTRL,
10087 			 val);
10088 }
10089 static void elink_8727_hw_reset(struct elink_phy *phy,
10090 				struct elink_params *params) {
10091 	u32 swap_val, swap_override;
10092 	u8 port;
10093 	/* The PHY reset is controlled by GPIO 1. Fake the port number
10094 	 * to cancel the swap done in set_gpio()
10095 	 */
10096 	struct elink_dev *cb = params->cb;
10097 	swap_val = REG_RD(cb, NIG_REG_PORT_SWAP);
10098 	swap_override = REG_RD(cb, NIG_REG_STRAP_OVERRIDE);
10099 	port = (swap_val && swap_override) ^ 1;
10100 	ELINK_SET_GPIO(cb, MISC_REGISTERS_GPIO_1,
10101 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
10102 }
10103 
10104 static void elink_8727_config_speed(struct elink_phy *phy,
10105 				    struct elink_params *params)
10106 {
10107 	struct elink_dev *cb = params->cb;
10108 	u16 tmp1, val;
10109 	/* Set option 1G speed */
10110 	if ((phy->req_line_speed == ELINK_SPEED_1000) ||
10111 	    (phy->media_type == ELINK_ETH_PHY_SFP_1G_FIBER)) {
10112 		ELINK_DEBUG_P0(cb, "Setting 1G force\n");
10113 		elink_cl45_write(cb, phy,
10114 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
10115 		elink_cl45_write(cb, phy,
10116 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
10117 		elink_cl45_read(cb, phy,
10118 				MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
10119 		ELINK_DEBUG_P1(cb, "1.7 = 0x%x\n", tmp1);
10120 		/* Power down the XAUI until link is up in case of dual-media
10121 		 * and 1G
10122 		 */
10123 		if (ELINK_DUAL_MEDIA(params)) {
10124 			elink_cl45_read(cb, phy,
10125 					MDIO_PMA_DEVAD,
10126 					MDIO_PMA_REG_8727_PCS_GP, &val);
10127 			val |= (3<<10);
10128 			elink_cl45_write(cb, phy,
10129 					 MDIO_PMA_DEVAD,
10130 					 MDIO_PMA_REG_8727_PCS_GP, val);
10131 		}
10132 	} else if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
10133 		   ((phy->speed_cap_mask &
10134 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
10135 		   ((phy->speed_cap_mask &
10136 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
10137 		   PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
10138 
10139 		ELINK_DEBUG_P0(cb, "Setting 1G clause37\n");
10140 		elink_cl45_write(cb, phy,
10141 				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
10142 		elink_cl45_write(cb, phy,
10143 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
10144 	} else {
10145 		/* Since the 8727 has only single reset pin, need to set the 10G
10146 		 * registers although it is default
10147 		 */
10148 		elink_cl45_write(cb, phy,
10149 				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
10150 				 0x0020);
10151 		elink_cl45_write(cb, phy,
10152 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
10153 		elink_cl45_write(cb, phy,
10154 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
10155 		elink_cl45_write(cb, phy,
10156 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
10157 				 0x0008);
10158 	}
10159 }
10160 
10161 static elink_status_t
10162 elink_8727_config_init(struct elink_phy *phy, struct elink_params *params,
10163     struct elink_vars *vars)
10164 {
10165 	u32 tx_en_mode;
10166 	u16 tmp1, mod_abs, tmp2;
10167 	struct elink_dev *cb = params->cb;
10168 	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
10169 
10170 	elink_wait_reset_complete(cb, phy, params);
10171 
10172 	ELINK_DEBUG_P0(cb, "Initializing BCM8727\n");
10173 
10174 	elink_8727_specific_func(phy, params, ELINK_PHY_INIT);
10175 	/* Initially configure MOD_ABS to interrupt when module is
10176 	 * presence( bit 8)
10177 	 */
10178 	elink_cl45_read(cb, phy,
10179 			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
10180 	/* Set EDC off by setting OPTXLOS signal input to low (bit 9).
10181 	 * When the EDC is off it locks onto a reference clock and avoids
10182 	 * becoming 'lost'
10183 	 */
10184 	mod_abs &= ~(1<<8);
10185 	if (!(phy->flags & ELINK_FLAGS_NOC))
10186 		mod_abs &= ~(1<<9);
10187 	elink_cl45_write(cb, phy,
10188 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
10189 
10190 	/* Enable/Disable PHY transmitter output */
10191 	elink_set_disable_pmd_transmit(params, phy, 0);
10192 
10193 	elink_8727_power_module(cb, phy, 1);
10194 
10195 	elink_cl45_read(cb, phy,
10196 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
10197 
10198 	elink_cl45_read(cb, phy,
10199 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
10200 
10201 	elink_8727_config_speed(phy, params);
10202 
10203 
10204 	/* Set TX PreEmphasis if needed */
10205 	if ((params->feature_config_flags &
10206 	     ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
10207 		ELINK_DEBUG_P2(cb, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
10208 			   phy->tx_preemphasis[0],
10209 			   phy->tx_preemphasis[1]);
10210 		elink_cl45_write(cb, phy,
10211 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
10212 				 phy->tx_preemphasis[0]);
10213 
10214 		elink_cl45_write(cb, phy,
10215 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
10216 				 phy->tx_preemphasis[1]);
10217 	}
10218 
10219 	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
10220 	 * power mode, if TX Laser is disabled
10221 	 */
10222 	tx_en_mode = REG_RD(cb, params->shmem_base +
10223 			    OFFSETOF(struct shmem_region,
10224 				dev_info.port_hw_config[params->port].sfp_ctrl))
10225 			& PORT_HW_CFG_TX_LASER_MASK;
10226 
10227 	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
10228 
10229 		ELINK_DEBUG_P0(cb, "Enabling TXONOFF_PWRDN_DIS\n");
10230 		elink_cl45_read(cb, phy,
10231 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
10232 		tmp2 |= 0x1000;
10233 		tmp2 &= 0xFFEF;
10234 		elink_cl45_write(cb, phy,
10235 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
10236 		elink_cl45_read(cb, phy,
10237 				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
10238 				&tmp2);
10239 		elink_cl45_write(cb, phy,
10240 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
10241 				 (tmp2 & 0x7fff));
10242 	}
10243 
10244 	return ELINK_STATUS_OK;
10245 }
10246 
10247 static void elink_8727_handle_mod_abs(struct elink_phy *phy,
10248 				      struct elink_params *params)
10249 {
10250 	struct elink_dev *cb = params->cb;
10251 	u16 mod_abs, rx_alarm_status;
10252 	u32 val = REG_RD(cb, params->shmem_base +
10253 			     OFFSETOF(struct shmem_region, dev_info.
10254 				      port_feature_config[params->port].
10255 				      config));
10256 	elink_cl45_read(cb, phy,
10257 			MDIO_PMA_DEVAD,
10258 			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
10259 	if (mod_abs & (1<<8)) {
10260 
10261 		/* Module is absent */
10262 		ELINK_DEBUG_P0(cb,
10263 		   "MOD_ABS indication show module is absent\n");
10264 		phy->media_type = ELINK_ETH_PHY_NOT_PRESENT;
10265 		/* 1. Set mod_abs to detect next module
10266 		 *    presence event
10267 		 * 2. Set EDC off by setting OPTXLOS signal input to low
10268 		 *    (bit 9).
10269 		 *    When the EDC is off it locks onto a reference clock and
10270 		 *    avoids becoming 'lost'.
10271 		 */
10272 		mod_abs &= ~(1<<8);
10273 		if (!(phy->flags & ELINK_FLAGS_NOC))
10274 			mod_abs &= ~(1<<9);
10275 		elink_cl45_write(cb, phy,
10276 				 MDIO_PMA_DEVAD,
10277 				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
10278 
10279 		/* Clear RX alarm since it stays up as long as
10280 		 * the mod_abs wasn't changed
10281 		 */
10282 		elink_cl45_read(cb, phy,
10283 				MDIO_PMA_DEVAD,
10284 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
10285 
10286 	} else {
10287 		/* Module is present */
10288 		ELINK_DEBUG_P0(cb,
10289 		   "MOD_ABS indication show module is present\n");
10290 		/* First disable transmitter, and if the module is ok, the
10291 		 * module_detection will enable it
10292 		 * 1. Set mod_abs to detect next module absent event ( bit 8)
10293 		 * 2. Restore the default polarity of the OPRXLOS signal and
10294 		 * this signal will then correctly indicate the presence or
10295 		 * absence of the Rx signal. (bit 9)
10296 		 */
10297 		mod_abs |= (1<<8);
10298 		if (!(phy->flags & ELINK_FLAGS_NOC))
10299 			mod_abs |= (1<<9);
10300 		elink_cl45_write(cb, phy,
10301 				 MDIO_PMA_DEVAD,
10302 				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
10303 
10304 		/* Clear RX alarm since it stays up as long as the mod_abs
10305 		 * wasn't changed. This is need to be done before calling the
10306 		 * module detection, otherwise it will clear* the link update
10307 		 * alarm
10308 		 */
10309 		elink_cl45_read(cb, phy,
10310 				MDIO_PMA_DEVAD,
10311 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
10312 
10313 
10314 		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
10315 		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
10316 			elink_sfp_set_transmitter(params, phy, 0);
10317 
10318 		if (elink_wait_for_sfp_module_initialized(phy, params) == 0)
10319 			elink_sfp_module_detection(phy, params);
10320 		else
10321 			ELINK_DEBUG_P0(cb, "SFP+ module is not initialized\n");
10322 
10323 		/* Reconfigure link speed based on module type limitations */
10324 		elink_8727_config_speed(phy, params);
10325 	}
10326 
10327 	ELINK_DEBUG_P1(cb, "8727 RX_ALARM_STATUS 0x%x\n",
10328 		   rx_alarm_status);
10329 	/* No need to check link status in case of module plugged in/out */
10330 }
10331 
10332 static elink_status_t
10333 elink_8727_read_status(struct elink_phy *phy, struct elink_params *params,
10334     struct elink_vars *vars)
10335 {
10336 	struct elink_dev *cb = params->cb;
10337 	u8 link_up = 0;
10338 	u16 link_status = 0;
10339 	u16 rx_alarm_status, lasi_ctrl, val1;
10340 
10341 	/* If PHY is not initialized, do not check link status */
10342 	elink_cl45_read(cb, phy,
10343 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
10344 			&lasi_ctrl);
10345 	if (!lasi_ctrl)
10346 		return 0;
10347 
10348 	/* Check the LASI on Rx */
10349 	elink_cl45_read(cb, phy,
10350 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
10351 			&rx_alarm_status);
10352 	vars->line_speed = 0;
10353 	ELINK_DEBUG_P1(cb, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);
10354 
10355 	elink_sfp_mask_fault(cb, phy, MDIO_PMA_LASI_TXSTAT,
10356 			     MDIO_PMA_LASI_TXCTRL);
10357 
10358 	elink_cl45_read(cb, phy,
10359 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
10360 
10361 	ELINK_DEBUG_P1(cb, "8727 LASI status 0x%x\n", val1);
10362 
10363 	/* Clear MSG-OUT */
10364 	elink_cl45_read(cb, phy,
10365 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
10366 
10367 	/* If a module is present and there is need to check
10368 	 * for over current
10369 	 */
10370 	if (!(phy->flags & ELINK_FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
10371 		/* Check over-current using 8727 GPIO0 input*/
10372 		elink_cl45_read(cb, phy,
10373 				MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
10374 				&val1);
10375 
10376 		if ((val1 & (1<<8)) == 0) {
10377 #ifndef ELINK_AUX_POWER
10378 			u8 oc_port = params->port;
10379 			if (!CHIP_IS_E1X(params->chip_id))
10380 				oc_port = PATH_ID(cb) + (params->port << 1);
10381 			ELINK_DEBUG_P1(cb,
10382 			   "8727 Power fault has been detected on port %d\n",
10383 			   oc_port);
10384 			elink_cb_event_log(cb, ELINK_LOG_ID_OVER_CURRENT, oc_port); //"Error: Power fault on Port %d has "
10385 					  //  "been detected and the power to "
10386 					  //  "that SFP+ module has been removed "
10387 					  //  "to prevent failure of the card. "
10388 					  //  "Please remove the SFP+ module and "
10389 					  //  "restart the system to clear this "
10390 					  //  "error.\n",
10391 #endif
10392 			/* Disable all RX_ALARMs except for mod_abs */
10393 			elink_cl45_write(cb, phy,
10394 					 MDIO_PMA_DEVAD,
10395 					 MDIO_PMA_LASI_RXCTRL, (1<<5));
10396 
10397 			elink_cl45_read(cb, phy,
10398 					MDIO_PMA_DEVAD,
10399 					MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
10400 			/* Wait for module_absent_event */
10401 			val1 |= (1<<8);
10402 			elink_cl45_write(cb, phy,
10403 					 MDIO_PMA_DEVAD,
10404 					 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
10405 			/* Clear RX alarm */
10406 			elink_cl45_read(cb, phy,
10407 				MDIO_PMA_DEVAD,
10408 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
10409 			elink_8727_power_module(params->cb, phy, 0);
10410 			return 0;
10411 		}
10412 	} /* Over current check */
10413 
10414 	/* When module absent bit is set, check module */
10415 	if (rx_alarm_status & (1<<5)) {
10416 		elink_8727_handle_mod_abs(phy, params);
10417 		/* Enable all mod_abs and link detection bits */
10418 		elink_cl45_write(cb, phy,
10419 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
10420 				 ((1<<5) | (1<<2)));
10421 	}
10422 
10423 	if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED)) {
10424 		ELINK_DEBUG_P0(cb, "Enabling 8727 TX laser\n");
10425 		elink_sfp_set_transmitter(params, phy, 1);
10426 	} else {
10427 		ELINK_DEBUG_P0(cb, "Tx is disabled\n");
10428 		return 0;
10429 	}
10430 
10431 	elink_cl45_read(cb, phy,
10432 			MDIO_PMA_DEVAD,
10433 			MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
10434 
10435 	/* Bits 0..2 --> speed detected,
10436 	 * Bits 13..15--> link is down
10437 	 */
10438 	if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
10439 		link_up = 1;
10440 		vars->line_speed = ELINK_SPEED_10000;
10441 		ELINK_DEBUG_P1(cb, "port %x: External link up in 10G\n",
10442 			   params->port);
10443 	} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
10444 		link_up = 1;
10445 		vars->line_speed = ELINK_SPEED_1000;
10446 		ELINK_DEBUG_P1(cb, "port %x: External link up in 1G\n",
10447 			   params->port);
10448 	} else {
10449 		link_up = 0;
10450 		ELINK_DEBUG_P1(cb, "port %x: External link is down\n",
10451 			   params->port);
10452 	}
10453 
10454 	/* Capture 10G link fault. */
10455 	if (vars->line_speed == ELINK_SPEED_10000) {
10456 		elink_cl45_read(cb, phy, MDIO_PMA_DEVAD,
10457 			    MDIO_PMA_LASI_TXSTAT, &val1);
10458 
10459 		elink_cl45_read(cb, phy, MDIO_PMA_DEVAD,
10460 			    MDIO_PMA_LASI_TXSTAT, &val1);
10461 
10462 		if (val1 & (1<<0)) {
10463 			vars->fault_detected = 1;
10464 		}
10465 	}
10466 
10467 	if (link_up) {
10468 		elink_ext_phy_resolve_fc(phy, params, vars);
10469 		vars->duplex = DUPLEX_FULL;
10470 		ELINK_DEBUG_P1(cb, "duplex = 0x%x\n", vars->duplex);
10471 	}
10472 
10473 	if ((ELINK_DUAL_MEDIA(params)) &&
10474 	    (phy->req_line_speed == ELINK_SPEED_1000)) {
10475 		elink_cl45_read(cb, phy,
10476 				MDIO_PMA_DEVAD,
10477 				MDIO_PMA_REG_8727_PCS_GP, &val1);
10478 		/* In case of dual-media board and 1G, power up the XAUI side,
10479 		 * otherwise power it down. For 10G it is done automatically
10480 		 */
10481 		if (link_up)
10482 			val1 &= ~(3<<10);
10483 		else
10484 			val1 |= (3<<10);
10485 		elink_cl45_write(cb, phy,
10486 				 MDIO_PMA_DEVAD,
10487 				 MDIO_PMA_REG_8727_PCS_GP, val1);
10488 	}
10489 	return link_up;
10490 }
10491 
10492 static void elink_8727_link_reset(struct elink_phy *phy,
10493 				  struct elink_params *params)
10494 {
10495 #ifndef EXCLUDE_LINK_RESET
10496 	struct elink_dev *cb = params->cb;
10497 
10498 	/* Enable/Disable PHY transmitter output */
10499 	elink_set_disable_pmd_transmit(params, phy, 1);
10500 
10501 	/* Disable Transmitter */
10502 	elink_sfp_set_transmitter(params, phy, 0);
10503 	/* Clear LASI */
10504 	elink_cl45_write(cb, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
10505 
10506 #endif // EXCLUDE_LINK_RESET
10507 }
10508 #endif /* EXCLUDE_BCM8727_BCM8073 */
10509 #endif // EXCLUDE_NON_COMMON_INIT
10510 
10511 /******************************************************************/
10512 /*		BCM8481/BCM84823/BCM84833 PHY SECTION	          */
10513 /******************************************************************/
10514 #if !defined(EXCLUDE_BCM8481) || !defined(EXCLUDE_BCM84833)
10515 static void elink_save_848xx_spirom_version(struct elink_phy *phy,
10516 					    struct elink_dev *cb,
10517 					    u8 port)
10518 {
10519 #ifndef EXCLUDE_BCM8481
10520 	u16 val, fw_ver2, cnt, i;
10521 	static struct elink_reg_set reg_set[] = {
10522 		{MDIO_PMA_DEVAD, 0xA819, 0x0014},
10523 		{MDIO_PMA_DEVAD, 0xA81A, 0xc200},
10524 		{MDIO_PMA_DEVAD, 0xA81B, 0x0000},
10525 		{MDIO_PMA_DEVAD, 0xA81C, 0x0300},
10526 		{MDIO_PMA_DEVAD, 0xA817, 0x0009}
10527 	};
10528 #endif
10529 	u16 fw_ver1;
10530 
10531 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10532 	    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10533 		elink_cl45_read(cb, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
10534 		elink_save_spirom_version(cb, port, fw_ver1 & 0xfff,
10535 				phy->ver_addr);
10536 	} else {
10537 #ifndef EXCLUDE_BCM8481
10538 		/* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
10539 		/* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
10540 		for (i = 0; i < ARRAY_SIZE(reg_set); i++)
10541 			elink_cl45_write(cb, phy, reg_set[i].devad,
10542 					 reg_set[i].reg, reg_set[i].val);
10543 
10544 		for (cnt = 0; cnt < 100; cnt++) {
10545 			elink_cl45_read(cb, phy, MDIO_PMA_DEVAD, 0xA818, &val);
10546 			if (val & 1)
10547 				break;
10548 			USLEEP(cb, 5);
10549 		}
10550 		if (cnt == 100) {
10551 			ELINK_DEBUG_P0(cb, "Unable to read 848xx "
10552 					"phy fw version(1)\n");
10553 			elink_save_spirom_version(cb, port, 0,
10554 						  phy->ver_addr);
10555 			return;
10556 		}
10557 
10558 
10559 		/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
10560 		elink_cl45_write(cb, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
10561 		elink_cl45_write(cb, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
10562 		elink_cl45_write(cb, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
10563 		for (cnt = 0; cnt < 100; cnt++) {
10564 			elink_cl45_read(cb, phy, MDIO_PMA_DEVAD, 0xA818, &val);
10565 			if (val & 1)
10566 				break;
10567 			USLEEP(cb, 5);
10568 		}
10569 		if (cnt == 100) {
10570 			ELINK_DEBUG_P0(cb, "Unable to read 848xx phy fw "
10571 					"version(2)\n");
10572 			elink_save_spirom_version(cb, port, 0,
10573 						  phy->ver_addr);
10574 			return;
10575 		}
10576 
10577 		/* lower 16 bits of the register SPI_FW_STATUS */
10578 		elink_cl45_read(cb, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
10579 		/* upper 16 bits of register SPI_FW_STATUS */
10580 		elink_cl45_read(cb, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
10581 
10582 		elink_save_spirom_version(cb, port, (fw_ver2<<16) | fw_ver1,
10583 					  phy->ver_addr);
10584 #endif /* EXCLUDE_BCM8481 */
10585 	}
10586 
10587 }
10588 #ifndef EXCLUDE_NON_COMMON_INIT
10589 static void elink_848xx_set_led(struct elink_dev *cb,
10590 				struct elink_phy *phy)
10591 {
10592 	u16 val, offset, i;
10593 	static struct elink_reg_set reg_set[] = {
10594 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
10595 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
10596 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
10597 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
10598 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
10599 			MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
10600 		{MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
10601 	};
10602 	/* PHYC_CTL_LED_CTL */
10603 	elink_cl45_read(cb, phy,
10604 			MDIO_PMA_DEVAD,
10605 			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
10606 	val &= 0xFE00;
10607 	val |= 0x0092;
10608 
10609 	elink_cl45_write(cb, phy,
10610 			 MDIO_PMA_DEVAD,
10611 			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
10612 
10613 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
10614 		elink_cl45_write(cb, phy, reg_set[i].devad, reg_set[i].reg,
10615 				 reg_set[i].val);
10616 
10617 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10618 	    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
10619 		offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
10620 	else
10621 		offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
10622 
10623 	/* stretch_en for LED3*/
10624 	elink_cl45_read_or_write(cb, phy,
10625 				 MDIO_PMA_DEVAD, offset,
10626 				 MDIO_PMA_REG_84823_LED3_STRETCH_EN);
10627 }
10628 
10629 static void elink_848xx_specific_func(struct elink_phy *phy,
10630 				      struct elink_params *params,
10631 				      u32 action)
10632 {
10633 	struct elink_dev *cb = params->cb;
10634 	switch (action) {
10635 	case ELINK_PHY_INIT:
10636 		if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
10637 		    (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10638 			/* Save spirom version */
10639 			elink_save_848xx_spirom_version(phy, cb, params->port);
10640 		}
10641 		/* This phy uses the NIG latch mechanism since link indication
10642 		 * arrives through its LED4 and not via its LASI signal, so we
10643 		 * get steady signal instead of clear on read
10644 		 */
10645 		elink_bits_en(cb, NIG_REG_LATCH_BC_0 + params->port*4,
10646 			      1 << ELINK_NIG_LATCH_BC_ENABLE_MI_INT);
10647 
10648 		elink_848xx_set_led(cb, phy);
10649 		break;
10650 	}
10651 }
10652 
10653 static elink_status_t elink_848xx_cmn_config_init(struct elink_phy *phy,
10654 				       struct elink_params *params,
10655 				       struct elink_vars *vars)
10656 {
10657 	struct elink_dev *cb = params->cb;
10658 	u16 autoneg_val, an_1000_val, an_10_100_val;
10659 
10660 	elink_848xx_specific_func(phy, params, ELINK_PHY_INIT);
10661 	elink_cl45_write(cb, phy,
10662 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
10663 
10664 	/* set 1000 speed advertisement */
10665 	elink_cl45_read(cb, phy,
10666 			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
10667 			&an_1000_val);
10668 
10669 	elink_ext_phy_set_pause(params, phy, vars);
10670 	elink_cl45_read(cb, phy,
10671 			MDIO_AN_DEVAD,
10672 			MDIO_AN_REG_8481_LEGACY_AN_ADV,
10673 			&an_10_100_val);
10674 	elink_cl45_read(cb, phy,
10675 			MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
10676 			&autoneg_val);
10677 	/* Disable forced speed */
10678 	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10679 	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
10680 
10681 	if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
10682 	     (phy->speed_cap_mask &
10683 	     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10684 	    (phy->req_line_speed == ELINK_SPEED_1000)) {
10685 		an_1000_val |= (1<<8);
10686 		autoneg_val |= (1<<9 | 1<<12);
10687 		if (phy->req_duplex == DUPLEX_FULL)
10688 			an_1000_val |= (1<<9);
10689 		ELINK_DEBUG_P0(cb, "Advertising 1G\n");
10690 	} else
10691 		an_1000_val &= ~((1<<8) | (1<<9));
10692 
10693 	elink_cl45_write(cb, phy,
10694 			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
10695 			 an_1000_val);
10696 
10697 	/* Set 10/100 speed advertisement */
10698 	if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
10699 		if (phy->speed_cap_mask &
10700 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
10701 			/* Enable autoneg and restart autoneg for legacy speeds
10702 			 */
10703 			autoneg_val |= (1<<9 | 1<<12);
10704 			an_10_100_val |= (1<<8);
10705 			ELINK_DEBUG_P0(cb, "Advertising 100M-FD\n");
10706 		}
10707 
10708 		if (phy->speed_cap_mask &
10709 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
10710 			/* Enable autoneg and restart autoneg for legacy speeds
10711 			 */
10712 			autoneg_val |= (1<<9 | 1<<12);
10713 			an_10_100_val |= (1<<7);
10714 			ELINK_DEBUG_P0(cb, "Advertising 100M-HD\n");
10715 		}
10716 
10717 		if ((phy->speed_cap_mask &
10718 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
10719 		    (phy->supported & ELINK_SUPPORTED_10baseT_Full)) {
10720 			an_10_100_val |= (1<<6);
10721 			autoneg_val |= (1<<9 | 1<<12);
10722 			ELINK_DEBUG_P0(cb, "Advertising 10M-FD\n");
10723 		}
10724 
10725 		if ((phy->speed_cap_mask &
10726 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
10727 		    (phy->supported & ELINK_SUPPORTED_10baseT_Half)) {
10728 			an_10_100_val |= (1<<5);
10729 			autoneg_val |= (1<<9 | 1<<12);
10730 			ELINK_DEBUG_P0(cb, "Advertising 10M-HD\n");
10731 		}
10732 	}
10733 
10734 	/* Only 10/100 are allowed to work in FORCE mode */
10735 	if ((phy->req_line_speed == ELINK_SPEED_100) &&
10736 	    (phy->supported &
10737 	     (ELINK_SUPPORTED_100baseT_Half |
10738 	      ELINK_SUPPORTED_100baseT_Full))) {
10739 		autoneg_val |= (1<<13);
10740 		/* Enabled AUTO-MDIX when autoneg is disabled */
10741 		elink_cl45_write(cb, phy,
10742 				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
10743 				 (1<<15 | 1<<9 | 7<<0));
10744 		/* The PHY needs this set even for forced link. */
10745 		an_10_100_val |= (1<<8) | (1<<7);
10746 		ELINK_DEBUG_P0(cb, "Setting 100M force\n");
10747 	}
10748 	if ((phy->req_line_speed == ELINK_SPEED_10) &&
10749 	    (phy->supported &
10750 	     (ELINK_SUPPORTED_10baseT_Half |
10751 	      ELINK_SUPPORTED_10baseT_Full))) {
10752 		/* Enabled AUTO-MDIX when autoneg is disabled */
10753 		elink_cl45_write(cb, phy,
10754 				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
10755 				 (1<<15 | 1<<9 | 7<<0));
10756 		ELINK_DEBUG_P0(cb, "Setting 10M force\n");
10757 	}
10758 
10759 	elink_cl45_write(cb, phy,
10760 			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
10761 			 an_10_100_val);
10762 
10763 	if (phy->req_duplex == DUPLEX_FULL)
10764 		autoneg_val |= (1<<8);
10765 
10766 	/* Always write this if this is not 84833/4.
10767 	 * For 84833/4, write it only when it's a forced speed.
10768 	 */
10769 	if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
10770 	     (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
10771 	    ((autoneg_val & (1<<12)) == 0))
10772 		elink_cl45_write(cb, phy,
10773 			 MDIO_AN_DEVAD,
10774 			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
10775 
10776 	if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
10777 	    (phy->speed_cap_mask &
10778 	     PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
10779 		(phy->req_line_speed == ELINK_SPEED_10000)) {
10780 			ELINK_DEBUG_P0(cb, "Advertising 10G\n");
10781 			/* Restart autoneg for 10G*/
10782 
10783 			elink_cl45_read_or_write(
10784 				cb, phy,
10785 				MDIO_AN_DEVAD,
10786 				MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
10787 				0x1000);
10788 			elink_cl45_write(cb, phy,
10789 					 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
10790 					 0x3200);
10791 	} else
10792 		elink_cl45_write(cb, phy,
10793 				 MDIO_AN_DEVAD,
10794 				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
10795 				 1);
10796 
10797 	return ELINK_STATUS_OK;
10798 }
10799 #endif // EXCLUDE_NON_COMMON_INIT
10800 #endif // #if !defined(EXCLUDE_BCM8481) || !defined(EXCLUDE_BCM84833)
10801 
10802 #ifndef EXCLUDE_BCM8481
10803 #ifndef EXCLUDE_NON_COMMON_INIT
10804 static elink_status_t
10805 elink_8481_config_init(struct elink_phy *phy, struct elink_params *params,
10806     struct elink_vars *vars)
10807 {
10808 	struct elink_dev *cb = params->cb;
10809 	/* Restore normal power mode*/
10810 	ELINK_SET_GPIO(cb, MISC_REGISTERS_GPIO_2,
10811 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
10812 
10813 	/* HW reset */
10814 	elink_ext_phy_hw_reset(cb, params->port);
10815 	elink_wait_reset_complete(cb, phy, params);
10816 
10817 	elink_cl45_write(cb, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
10818 	return elink_848xx_cmn_config_init(phy, params, vars);
10819 }
10820 #endif // #ifndef EXCLUDE_NON_COMMON_INIT
10821 #endif // EXCLUDE_BCM8481
10822 
10823 #ifndef EXCLUDE_BCM84833
10824 #define PHY84833_CMDHDLR_WAIT 300
10825 #define PHY84833_CMDHDLR_MAX_ARGS 5
10826 static elink_status_t elink_84833_cmd_hdlr(struct elink_phy *phy,
10827 				struct elink_params *params, u16 fw_cmd,
10828 				u16 cmd_args[], int argc)
10829 {
10830 	int idx;
10831 	u16 val;
10832 	struct elink_dev *cb = params->cb;
10833 	/* Write CMD_OPEN_OVERRIDE to STATUS reg */
10834 	elink_cl45_write(cb, phy, MDIO_CTL_DEVAD,
10835 			MDIO_84833_CMD_HDLR_STATUS,
10836 			PHY84833_STATUS_CMD_OPEN_OVERRIDE);
10837 	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
10838 		elink_cl45_read(cb, phy, MDIO_CTL_DEVAD,
10839 				MDIO_84833_CMD_HDLR_STATUS, &val);
10840 		if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
10841 			break;
10842 		MSLEEP(cb, 1);
10843 	}
10844 	if (idx >= PHY84833_CMDHDLR_WAIT) {
10845 		ELINK_DEBUG_P0(cb, "FW cmd: FW not ready.\n");
10846 		return ELINK_STATUS_ERROR;
10847 	}
10848 
10849 	/* Prepare argument(s) and issue command */
10850 	for (idx = 0; idx < argc; idx++) {
10851 		elink_cl45_write(cb, phy, MDIO_CTL_DEVAD,
10852 				MDIO_84833_CMD_HDLR_DATA1 + idx,
10853 				cmd_args[idx]);
10854 	}
10855 	elink_cl45_write(cb, phy, MDIO_CTL_DEVAD,
10856 			MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
10857 	for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
10858 		elink_cl45_read(cb, phy, MDIO_CTL_DEVAD,
10859 				MDIO_84833_CMD_HDLR_STATUS, &val);
10860 		if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
10861 			(val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
10862 			break;
10863 		MSLEEP(cb, 1);
10864 	}
10865 	if ((idx >= PHY84833_CMDHDLR_WAIT) ||
10866 		(val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
10867 		ELINK_DEBUG_P0(cb, "FW cmd failed.\n");
10868 		return ELINK_STATUS_ERROR;
10869 	}
10870 	/* Gather returning data */
10871 	for (idx = 0; idx < argc; idx++) {
10872 		elink_cl45_read(cb, phy, MDIO_CTL_DEVAD,
10873 				MDIO_84833_CMD_HDLR_DATA1 + idx,
10874 				&cmd_args[idx]);
10875 	}
10876 	elink_cl45_write(cb, phy, MDIO_CTL_DEVAD,
10877 			MDIO_84833_CMD_HDLR_STATUS,
10878 			PHY84833_STATUS_CMD_CLEAR_COMPLETE);
10879 	return ELINK_STATUS_OK;
10880 }
10881 
10882 #ifndef EXCLUDE_NON_COMMON_INIT
10883 static elink_status_t elink_84833_pair_swap_cfg(struct elink_phy *phy,
10884 				   struct elink_params *params,
10885 				   struct elink_vars *vars)
10886 {
10887 	u32 pair_swap;
10888 	u16 data[PHY84833_CMDHDLR_MAX_ARGS];
10889 	elink_status_t status;
10890 	struct elink_dev *cb = params->cb;
10891 
10892 	/* Check for configuration. */
10893 	pair_swap = REG_RD(cb, params->shmem_base +
10894 			   OFFSETOF(struct shmem_region,
10895 			dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
10896 		PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
10897 
10898 	if (pair_swap == 0)
10899 		return ELINK_STATUS_OK;
10900 
10901 	/* Only the second argument is used for this command */
10902 	data[1] = (u16)pair_swap;
10903 
10904 	status = elink_84833_cmd_hdlr(phy, params,
10905 		PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
10906 	if (status == ELINK_STATUS_OK)
10907 		ELINK_DEBUG_P1(cb, "Pairswap OK, val=0x%x\n", data[1]);
10908 
10909 	return status;
10910 }
10911 #endif // #ifndef EXCLUDE_NON_COMMON_INIT
10912 
10913 static u8 elink_84833_get_reset_gpios(struct elink_dev *cb,
10914 				      u32 shmem_base_path[],
10915 				      u32 chip_id)
10916 {
10917 	u32 reset_pin[2];
10918 	u32 idx;
10919 	u8 reset_gpios;
10920 	if (CHIP_IS_E3(chip_id)) {
10921 		/* Assume that these will be GPIOs, not EPIOs. */
10922 		for (idx = 0; idx < 2; idx++) {
10923 			/* Map config param to register bit. */
10924 			reset_pin[idx] = REG_RD(cb, shmem_base_path[idx] +
10925 				OFFSETOF(struct shmem_region,
10926 				dev_info.port_hw_config[0].e3_cmn_pin_cfg));
10927 			reset_pin[idx] = (reset_pin[idx] &
10928 				PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10929 				PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10930 			reset_pin[idx] -= PIN_CFG_GPIO0_P0;
10931 			reset_pin[idx] = (1 << reset_pin[idx]);
10932 		}
10933 		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10934 	} else {
10935 		/* E2, look from diff place of shmem. */
10936 		for (idx = 0; idx < 2; idx++) {
10937 			reset_pin[idx] = REG_RD(cb, shmem_base_path[idx] +
10938 				OFFSETOF(struct shmem_region,
10939 				dev_info.port_hw_config[0].default_cfg));
10940 			reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
10941 			reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
10942 			reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
10943 			reset_pin[idx] = (1 << reset_pin[idx]);
10944 		}
10945 		reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10946 	}
10947 
10948 	return reset_gpios;
10949 }
10950 
10951 #ifndef EXCLUDE_NON_COMMON_INIT
10952 static void
10953 elink_84833_hw_reset_phy(struct elink_phy *phy,
10954 				struct elink_params *params)
10955 {
10956 	struct elink_dev *cb = params->cb;
10957 	u8 reset_gpios;
10958 	u32 other_shmem_base_addr = REG_RD(cb, params->shmem2_base +
10959 				OFFSETOF(struct shmem2_region,
10960 				other_shmem_base_addr));
10961 
10962 	u32 shmem_base_path[2];
10963 
10964 	/* Work around for 84833 LED failure inside RESET status */
10965 	elink_cl45_write(cb, phy, MDIO_AN_DEVAD,
10966 		MDIO_AN_REG_8481_LEGACY_MII_CTRL,
10967 		MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
10968 	elink_cl45_write(cb, phy, MDIO_AN_DEVAD,
10969 		MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
10970 		MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
10971 
10972 	shmem_base_path[0] = params->shmem_base;
10973 	shmem_base_path[1] = other_shmem_base_addr;
10974 
10975 	reset_gpios = elink_84833_get_reset_gpios(cb, shmem_base_path,
10976 						  params->chip_id);
10977 
10978 #ifndef EDEBUG
10979 	ELINK_SET_MULT_GPIO(cb, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
10980 	USLEEP(cb, 10);
10981 	ELINK_DEBUG_P1(cb, "84833 hw reset on pin values 0x%x\n",
10982 		reset_gpios);
10983 #endif // EDEBUG
10984 }
10985 #endif // EXCLUDE_NON_COMMON_INIT
10986 #endif // #ifndef EXCLUDE_BCM84833
10987 
10988 #ifndef EXCLUDE_NON_COMMON_INIT
10989 #ifndef EXCLUDE_WARPCORE
10990 static elink_status_t elink_8483x_disable_eee(struct elink_phy *phy,
10991 				   struct elink_params *params,
10992 				   struct elink_vars *vars)
10993 {
10994 	elink_status_t rc;
10995 #if defined(ELINK_DEBUG)
10996 	struct elink_dev *cb = params->cb;
10997 #endif
10998 	u16 cmd_args = 0;
10999 
11000 	ELINK_DEBUG_P0(cb, "Don't Advertise 10GBase-T EEE\n");
11001 
11002 	/* Prevent Phy from working in EEE and advertising it */
11003 	rc = elink_84833_cmd_hdlr(phy, params,
11004 		PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
11005 	if (rc != ELINK_STATUS_OK) {
11006 		ELINK_DEBUG_P0(cb, "EEE disable failed.\n");
11007 		return rc;
11008 	}
11009 
11010 	return elink_eee_disable(phy, params, vars);
11011 }
11012 
11013 static elink_status_t elink_8483x_enable_eee(struct elink_phy *phy,
11014 				   struct elink_params *params,
11015 				   struct elink_vars *vars)
11016 {
11017 	elink_status_t rc;
11018 #ifdef ELINK_DEBUG
11019 	struct elink_dev *cb = params->cb;
11020 #endif
11021 	u16 cmd_args = 1;
11022 
11023 	rc = elink_84833_cmd_hdlr(phy, params,
11024 		PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
11025 	if (rc != ELINK_STATUS_OK) {
11026 		ELINK_DEBUG_P0(cb, "EEE enable failed.\n");
11027 		return rc;
11028 	}
11029 
11030 	return elink_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
11031 }
11032 #endif /* #ifndef EXCLUDE_WARPCORE */
11033 
11034 #if !defined(EXCLUDE_BCM8481) || !defined(EXCLUDE_BCM84833)
11035 #define PHY84833_CONSTANT_LATENCY 1193
11036 static elink_status_t
11037 elink_848x3_config_init(struct elink_phy *phy, struct elink_params *params,
11038     struct elink_vars *vars)
11039 {
11040 	struct elink_dev *cb = params->cb;
11041 	u8 port, initialize = 1;
11042 	u16 val;
11043 	u32 actual_phy_selection;
11044 #ifndef EXCLUDE_BCM84833
11045 	u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
11046 #endif // EXCLUDE_BCM84833
11047 	elink_status_t rc = ELINK_STATUS_OK;
11048 
11049 	MSLEEP(cb, 1);
11050 
11051 	if (!(CHIP_IS_E1X(params->chip_id)))
11052 		port = PATH_ID(cb);
11053 	else
11054 		port = params->port;
11055 
11056 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
11057 		ELINK_SET_GPIO(cb, MISC_REGISTERS_GPIO_3,
11058 			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
11059 			       port);
11060 	} else {
11061 		/* MDIO reset */
11062 		elink_cl45_write(cb, phy,
11063 				MDIO_PMA_DEVAD,
11064 				MDIO_PMA_REG_CTRL, 0x8000);
11065 	}
11066 
11067 	elink_wait_reset_complete(cb, phy, params);
11068 
11069 	/* Wait for GPHY to come out of reset */
11070 	MSLEEP(cb, 50);
11071 #ifndef EXCLUDE_BCM84833
11072 	if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
11073 	    (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
11074 #endif // EXCLUDE_BCM84833
11075 #ifndef EXCLUDE_BCM8481
11076 		/* BCM84823 requires that XGXS links up first @ 10G for normal
11077 		 * behavior.
11078 		 */
11079 		u16 temp;
11080 		temp = vars->line_speed;
11081 		vars->line_speed = ELINK_SPEED_10000;
11082 		elink_set_autoneg(&params->phy[ELINK_INT_PHY], params, vars, 0);
11083 		elink_program_serdes(&params->phy[ELINK_INT_PHY], params, vars);
11084 		vars->line_speed = temp;
11085 #endif // EXCLUDE_BCM8481
11086 #ifndef EXCLUDE_BCM84833
11087 	}
11088 #endif	/* Set dual-media configuration according to configuration */
11089 
11090 	elink_cl45_read(cb, phy, MDIO_CTL_DEVAD,
11091 			MDIO_CTL_REG_84823_MEDIA, &val);
11092 	val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
11093 		 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
11094 		 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
11095 		 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
11096 		 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
11097 
11098 	if (CHIP_IS_E3(params->chip_id)) {
11099 		val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
11100 			 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
11101 	} else {
11102 		val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
11103 			MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
11104 	}
11105 
11106 	actual_phy_selection = elink_phy_selection(params);
11107 
11108 	switch (actual_phy_selection) {
11109 	case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
11110 		/* Do nothing. Essentially this is like the priority copper */
11111 		break;
11112 	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
11113 		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
11114 		break;
11115 	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
11116 		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
11117 		break;
11118 	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
11119 		/* Do nothing here. The first PHY won't be initialized at all */
11120 		break;
11121 	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
11122 		val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
11123 		initialize = 0;
11124 		break;
11125 	}
11126 	if (params->phy[ELINK_EXT_PHY2].req_line_speed == ELINK_SPEED_1000)
11127 		val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
11128 
11129 	elink_cl45_write(cb, phy, MDIO_CTL_DEVAD,
11130 			 MDIO_CTL_REG_84823_MEDIA, val);
11131 	ELINK_DEBUG_P2(cb, "Multi_phy config = 0x%x, Media control = 0x%x\n",
11132 		   params->multi_phy_config, val);
11133 
11134 #ifndef EXCLUDE_BCM84833
11135 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
11136 	    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
11137 		elink_84833_pair_swap_cfg(phy, params, vars);
11138 
11139 		/* Keep AutogrEEEn disabled. */
11140 		cmd_args[0] = 0x0;
11141 		cmd_args[1] = 0x0;
11142 		cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
11143 		cmd_args[3] = PHY84833_CONSTANT_LATENCY;
11144 		rc = elink_84833_cmd_hdlr(phy, params,
11145 			PHY84833_CMD_SET_EEE_MODE, cmd_args,
11146 			PHY84833_CMDHDLR_MAX_ARGS);
11147 		if (rc != ELINK_STATUS_OK)
11148 			ELINK_DEBUG_P0(cb, "Cfg AutogrEEEn failed.\n");
11149 	}
11150 #endif // #ifndef EXCLUDE_BCM84833
11151 	if (initialize)
11152 		rc = elink_848xx_cmn_config_init(phy, params, vars);
11153 #ifdef ELINK_ENHANCEMENTS
11154 	else
11155 		elink_save_848xx_spirom_version(phy, cb, params->port);
11156 #endif // ELINK_ENHANCEMENTS
11157 	/* 84833 PHY has a better feature and doesn't need to support this. */
11158 #ifndef EXCLUDE_BCM8481
11159 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
11160 		u32 cms_enable = REG_RD(cb, params->shmem_base +
11161 			OFFSETOF(struct shmem_region,
11162 			dev_info.port_hw_config[params->port].default_cfg)) &
11163 			PORT_HW_CFG_ENABLE_CMS_MASK;
11164 
11165 		elink_cl45_read(cb, phy, MDIO_CTL_DEVAD,
11166 				MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
11167 		if (cms_enable)
11168 			val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
11169 		else
11170 			val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
11171 		elink_cl45_write(cb, phy, MDIO_CTL_DEVAD,
11172 				 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
11173 	}
11174 #endif /* EXCLUDE_BCM8481 */
11175 
11176 #ifndef EXCLUDE_WARPCORE
11177 	elink_cl45_read(cb, phy, MDIO_CTL_DEVAD,
11178 			MDIO_84833_TOP_CFG_FW_REV, &val);
11179 
11180 	/* Configure EEE support */
11181 	if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
11182 	    (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
11183 	    elink_eee_has_cap(params)) {
11184 		rc = elink_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
11185 		if (rc != ELINK_STATUS_OK) {
11186 			ELINK_DEBUG_P0(cb, "Failed to configure EEE timers\n");
11187 			elink_8483x_disable_eee(phy, params, vars);
11188 			return rc;
11189 		}
11190 
11191 		if ((phy->req_duplex == DUPLEX_FULL) &&
11192 		    (params->eee_mode & ELINK_EEE_MODE_ADV_LPI) &&
11193 		    (elink_eee_calc_timer(params) ||
11194 		     !(params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)))
11195 			rc = elink_8483x_enable_eee(phy, params, vars);
11196 		else
11197 			rc = elink_8483x_disable_eee(phy, params, vars);
11198 		if (rc != ELINK_STATUS_OK) {
11199 			ELINK_DEBUG_P0(cb, "Failed to set EEE advertisement\n");
11200 			return rc;
11201 		}
11202 	} else {
11203 		vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
11204 	}
11205 #endif /* #ifndef EXCLUDE_WARPCORE */
11206 
11207 #ifndef EXCLUDE_BCM84833
11208 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
11209 	    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
11210 		/* Bring PHY out of super isolate mode as the final step. */
11211 		elink_cl45_read_and_write(cb, phy,
11212 					  MDIO_CTL_DEVAD,
11213 					  MDIO_84833_TOP_CFG_XGPHY_STRAP1,
11214 					  (u16)~MDIO_84833_SUPER_ISOLATE);
11215 	}
11216 #endif /* #ifndef EXCLUDE_BCM84833 */
11217 	return rc;
11218 }
11219 
11220 static elink_status_t
11221 elink_848xx_read_status(struct elink_phy *phy, struct elink_params *params,
11222     struct elink_vars *vars)
11223 {
11224 	struct elink_dev *cb = params->cb;
11225 	u16 val, val1, val2;
11226 	u8 link_up = 0;
11227 
11228 
11229 	/* Check 10G-BaseT link status */
11230 	/* Check PMD signal ok */
11231 	elink_cl45_read(cb, phy,
11232 			MDIO_AN_DEVAD, 0xFFFA, &val1);
11233 	elink_cl45_read(cb, phy,
11234 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
11235 			&val2);
11236 	ELINK_DEBUG_P1(cb, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
11237 
11238 	/* Check link 10G */
11239 	if (val2 & (1<<11)) {
11240 		vars->line_speed = ELINK_SPEED_10000;
11241 		vars->duplex = DUPLEX_FULL;
11242 		link_up = 1;
11243 		elink_ext_phy_10G_an_resolve(cb, phy, vars);
11244 	} else { /* Check Legacy speed link */
11245 		u16 legacy_status, legacy_speed;
11246 
11247 		/* Enable expansion register 0x42 (Operation mode status) */
11248 		elink_cl45_write(cb, phy,
11249 				 MDIO_AN_DEVAD,
11250 				 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
11251 
11252 		/* Get legacy speed operation status */
11253 		elink_cl45_read(cb, phy,
11254 				MDIO_AN_DEVAD,
11255 				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
11256 				&legacy_status);
11257 
11258 		ELINK_DEBUG_P1(cb, "Legacy speed status = 0x%x\n",
11259 		   legacy_status);
11260 		link_up = ((legacy_status & (1<<11)) == (1<<11));
11261 		legacy_speed = (legacy_status & (3<<9));
11262 		if (legacy_speed == (0<<9))
11263 			vars->line_speed = ELINK_SPEED_10;
11264 		else if (legacy_speed == (1<<9))
11265 			vars->line_speed = ELINK_SPEED_100;
11266 		else if (legacy_speed == (2<<9))
11267 			vars->line_speed = ELINK_SPEED_1000;
11268 		else { /* Should not happen: Treat as link down */
11269 			vars->line_speed = 0;
11270 			link_up = 0;
11271 		}
11272 
11273 #ifndef BNX2X_UPSTREAM /* ! BNX2X_UPSTREAM */
11274 		if (params->feature_config_flags &
11275 			ELINK_FEATURE_CONFIG_IEEE_PHY_TEST) {
11276 			u16 mii_ctrl;
11277 
11278 			elink_cl45_read(cb, phy,
11279 					MDIO_AN_DEVAD,
11280 					MDIO_AN_REG_8481_LEGACY_MII_CTRL,
11281 					&mii_ctrl);
11282 			/* For IEEE testing, check for a fake link. */
11283 			link_up |= ((mii_ctrl & 0x3040) == 0x40);
11284 		}
11285 #endif
11286 
11287 		if (link_up) {
11288 			if (legacy_status & (1<<8))
11289 				vars->duplex = DUPLEX_FULL;
11290 			else
11291 				vars->duplex = DUPLEX_HALF;
11292 
11293 			ELINK_DEBUG_P2(cb,
11294 			   "Link is up in %dMbps, is_duplex_full= %d\n",
11295 			   vars->line_speed,
11296 			   (vars->duplex == DUPLEX_FULL));
11297 			/* Check legacy speed AN resolution */
11298 			elink_cl45_read(cb, phy,
11299 					MDIO_AN_DEVAD,
11300 					MDIO_AN_REG_8481_LEGACY_MII_STATUS,
11301 					&val);
11302 			if (val & (1<<5))
11303 				vars->link_status |=
11304 					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
11305 			elink_cl45_read(cb, phy,
11306 					MDIO_AN_DEVAD,
11307 					MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
11308 					&val);
11309 			if ((val & (1<<0)) == 0)
11310 				vars->link_status |=
11311 					LINK_STATUS_PARALLEL_DETECTION_USED;
11312 		}
11313 	}
11314 	if (link_up) {
11315 		ELINK_DEBUG_P1(cb, "BCM848x3: link speed is %d\n",
11316 			   vars->line_speed);
11317 		elink_ext_phy_resolve_fc(phy, params, vars);
11318 
11319 		/* Read LP advertised speeds */
11320 		elink_cl45_read(cb, phy, MDIO_AN_DEVAD,
11321 				MDIO_AN_REG_CL37_FC_LP, &val);
11322 		if (val & (1<<5))
11323 			vars->link_status |=
11324 				LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
11325 		if (val & (1<<6))
11326 			vars->link_status |=
11327 				LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
11328 		if (val & (1<<7))
11329 			vars->link_status |=
11330 				LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
11331 		if (val & (1<<8))
11332 			vars->link_status |=
11333 				LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
11334 		if (val & (1<<9))
11335 			vars->link_status |=
11336 				LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
11337 
11338 		elink_cl45_read(cb, phy, MDIO_AN_DEVAD,
11339 				MDIO_AN_REG_1000T_STATUS, &val);
11340 
11341 		if (val & (1<<10))
11342 			vars->link_status |=
11343 				LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
11344 		if (val & (1<<11))
11345 			vars->link_status |=
11346 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
11347 
11348 		elink_cl45_read(cb, phy, MDIO_AN_DEVAD,
11349 				MDIO_AN_REG_MASTER_STATUS, &val);
11350 
11351 		if (val & (1<<11))
11352 			vars->link_status |=
11353 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
11354 
11355 #if (!defined EXCLUDE_BCM84833) && (!defined EXCLUDE_WARPCORE)
11356 		/* Determine if EEE was negotiated */
11357 		if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
11358 		    (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
11359 			elink_eee_an_resolve(phy, params, vars);
11360 #endif /* #ifndef EXCLUDE_WARPCORE */
11361 	}
11362 
11363 	return link_up;
11364 }
11365 
11366 static elink_status_t
11367 elink_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
11368 {
11369 	elink_status_t status = ELINK_STATUS_OK;
11370 #ifdef ELINK_ENHANCEMENTS
11371 	u32 spirom_ver;
11372 	spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
11373 	status = elink_format_ver(spirom_ver, str, len);
11374 #endif // ELINK_ENHANCEMENTS
11375 	return status;
11376 }
11377 
11378 #ifndef EXCLUDE_BCM8481
11379 static void elink_8481_hw_reset(struct elink_phy *phy,
11380 				struct elink_params *params)
11381 {
11382 	ELINK_SET_GPIO(params->cb, MISC_REGISTERS_GPIO_1,
11383 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
11384 	ELINK_SET_GPIO(params->cb, MISC_REGISTERS_GPIO_1,
11385 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
11386 }
11387 
11388 static void elink_8481_link_reset(struct elink_phy *phy,
11389 					struct elink_params *params)
11390 {
11391 #ifndef EXCLUDE_LINK_RESET
11392 	elink_cl45_write(params->cb, phy,
11393 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
11394 	elink_cl45_write(params->cb, phy,
11395 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
11396 #endif // EXCLUDE_LINK_RESET
11397 }
11398 #endif // #ifndef EXCLUDE_8481
11399 
11400 static void elink_848x3_link_reset(struct elink_phy *phy,
11401 				   struct elink_params *params)
11402 {
11403 	struct elink_dev *cb = params->cb;
11404 	u8 port;
11405 	u16 val16;
11406 
11407 	if (!(CHIP_IS_E1X(params->chip_id)))
11408 		port = PATH_ID(cb);
11409 	else
11410 		port = params->port;
11411 
11412 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
11413 		ELINK_SET_GPIO(cb, MISC_REGISTERS_GPIO_3,
11414 			       MISC_REGISTERS_GPIO_OUTPUT_LOW,
11415 			       port);
11416 	} else {
11417 		elink_cl45_read(cb, phy,
11418 				MDIO_CTL_DEVAD,
11419 				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
11420 		val16 |= MDIO_84833_SUPER_ISOLATE;
11421 		elink_cl45_write(cb, phy,
11422 				 MDIO_CTL_DEVAD,
11423 				 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
11424 	}
11425 }
11426 
11427 static void elink_848xx_set_link_led(struct elink_phy *phy,
11428 				     struct elink_params *params, u8 mode)
11429 {
11430 	struct elink_dev *cb = params->cb;
11431 	u16 val;
11432 #ifndef ELINK_AUX_POWER
11433 	u8 port;
11434 
11435 	if (!(CHIP_IS_E1X(params->chip_id)))
11436 		port = PATH_ID(cb);
11437 	else
11438 		port = params->port;
11439 #endif
11440 	switch (mode) {
11441 	case ELINK_LED_MODE_OFF:
11442 
11443 		ELINK_DEBUG_P1(cb, "Port 0x%x: LED MODE OFF\n", port);
11444 
11445 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
11446 		    SHARED_HW_CFG_LED_EXTPHY1) {
11447 
11448 			/* Set LED masks */
11449 			elink_cl45_write(cb, phy,
11450 					MDIO_PMA_DEVAD,
11451 					MDIO_PMA_REG_8481_LED1_MASK,
11452 					0x0);
11453 
11454 			elink_cl45_write(cb, phy,
11455 					MDIO_PMA_DEVAD,
11456 					MDIO_PMA_REG_8481_LED2_MASK,
11457 					0x0);
11458 
11459 			elink_cl45_write(cb, phy,
11460 					MDIO_PMA_DEVAD,
11461 					MDIO_PMA_REG_8481_LED3_MASK,
11462 					0x0);
11463 
11464 			elink_cl45_write(cb, phy,
11465 					MDIO_PMA_DEVAD,
11466 					MDIO_PMA_REG_8481_LED5_MASK,
11467 					0x0);
11468 
11469 		} else {
11470 			elink_cl45_write(cb, phy,
11471 					 MDIO_PMA_DEVAD,
11472 					 MDIO_PMA_REG_8481_LED1_MASK,
11473 					 0x0);
11474 		}
11475 		break;
11476 	case ELINK_LED_MODE_FRONT_PANEL_OFF:
11477 
11478 		ELINK_DEBUG_P1(cb, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
11479 		   port);
11480 
11481 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
11482 		    SHARED_HW_CFG_LED_EXTPHY1) {
11483 
11484 			/* Set LED masks */
11485 			elink_cl45_write(cb, phy,
11486 					 MDIO_PMA_DEVAD,
11487 					 MDIO_PMA_REG_8481_LED1_MASK,
11488 					 0x0);
11489 
11490 			elink_cl45_write(cb, phy,
11491 					 MDIO_PMA_DEVAD,
11492 					 MDIO_PMA_REG_8481_LED2_MASK,
11493 					 0x0);
11494 
11495 			elink_cl45_write(cb, phy,
11496 					 MDIO_PMA_DEVAD,
11497 					 MDIO_PMA_REG_8481_LED3_MASK,
11498 					 0x0);
11499 
11500 			elink_cl45_write(cb, phy,
11501 					 MDIO_PMA_DEVAD,
11502 					 MDIO_PMA_REG_8481_LED5_MASK,
11503 					 0x20);
11504 
11505 		} else {
11506 			elink_cl45_write(cb, phy,
11507 					 MDIO_PMA_DEVAD,
11508 					 MDIO_PMA_REG_8481_LED1_MASK,
11509 					 0x0);
11510 			if (phy->type ==
11511 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
11512 				/* Disable MI_INT interrupt before setting LED4
11513 				 * source to constant off.
11514 				 */
11515 				if (REG_RD(cb, NIG_REG_MASK_INTERRUPT_PORT0 +
11516 					   params->port*4) &
11517 				    ELINK_NIG_MASK_MI_INT) {
11518 					params->link_flags |=
11519 					ELINK_LINK_FLAGS_INT_DISABLED;
11520 
11521 					elink_bits_dis(
11522 						cb,
11523 						NIG_REG_MASK_INTERRUPT_PORT0 +
11524 						params->port*4,
11525 						ELINK_NIG_MASK_MI_INT);
11526 				}
11527 				elink_cl45_write(cb, phy,
11528 						 MDIO_PMA_DEVAD,
11529 						 MDIO_PMA_REG_8481_SIGNAL_MASK,
11530 						 0x0);
11531 			}
11532 		}
11533 		break;
11534 	case ELINK_LED_MODE_ON:
11535 
11536 		ELINK_DEBUG_P1(cb, "Port 0x%x: LED MODE ON\n", port);
11537 
11538 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
11539 		    SHARED_HW_CFG_LED_EXTPHY1) {
11540 			/* Set control reg */
11541 			elink_cl45_read(cb, phy,
11542 					MDIO_PMA_DEVAD,
11543 					MDIO_PMA_REG_8481_LINK_SIGNAL,
11544 					&val);
11545 			val &= 0x8000;
11546 			val |= 0x2492;
11547 
11548 			elink_cl45_write(cb, phy,
11549 					 MDIO_PMA_DEVAD,
11550 					 MDIO_PMA_REG_8481_LINK_SIGNAL,
11551 					 val);
11552 
11553 			/* Set LED masks */
11554 			elink_cl45_write(cb, phy,
11555 					 MDIO_PMA_DEVAD,
11556 					 MDIO_PMA_REG_8481_LED1_MASK,
11557 					 0x0);
11558 
11559 			elink_cl45_write(cb, phy,
11560 					 MDIO_PMA_DEVAD,
11561 					 MDIO_PMA_REG_8481_LED2_MASK,
11562 					 0x20);
11563 
11564 			elink_cl45_write(cb, phy,
11565 					 MDIO_PMA_DEVAD,
11566 					 MDIO_PMA_REG_8481_LED3_MASK,
11567 					 0x20);
11568 
11569 			elink_cl45_write(cb, phy,
11570 					 MDIO_PMA_DEVAD,
11571 					 MDIO_PMA_REG_8481_LED5_MASK,
11572 					 0x0);
11573 		} else {
11574 			elink_cl45_write(cb, phy,
11575 					 MDIO_PMA_DEVAD,
11576 					 MDIO_PMA_REG_8481_LED1_MASK,
11577 					 0x20);
11578 			if (phy->type ==
11579 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
11580 				/* Disable MI_INT interrupt before setting LED4
11581 				 * source to constant on.
11582 				 */
11583 				if (REG_RD(cb, NIG_REG_MASK_INTERRUPT_PORT0 +
11584 					   params->port*4) &
11585 				    ELINK_NIG_MASK_MI_INT) {
11586 					params->link_flags |=
11587 					ELINK_LINK_FLAGS_INT_DISABLED;
11588 
11589 					elink_bits_dis(
11590 						cb,
11591 						NIG_REG_MASK_INTERRUPT_PORT0 +
11592 						params->port*4,
11593 						ELINK_NIG_MASK_MI_INT);
11594 				}
11595 				elink_cl45_write(cb, phy,
11596 						 MDIO_PMA_DEVAD,
11597 						 MDIO_PMA_REG_8481_SIGNAL_MASK,
11598 						 0x20);
11599 			}
11600 		}
11601 		break;
11602 
11603 	case ELINK_LED_MODE_OPER:
11604 
11605 		ELINK_DEBUG_P1(cb, "Port 0x%x: LED MODE OPER\n", port);
11606 
11607 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
11608 		    SHARED_HW_CFG_LED_EXTPHY1) {
11609 
11610 			/* Set control reg */
11611 			elink_cl45_read(cb, phy,
11612 					MDIO_PMA_DEVAD,
11613 					MDIO_PMA_REG_8481_LINK_SIGNAL,
11614 					&val);
11615 
11616 			if (!((val &
11617 			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
11618 			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
11619 				ELINK_DEBUG_P0(cb, "Setting LINK_SIGNAL\n");
11620 				elink_cl45_write(cb, phy,
11621 						 MDIO_PMA_DEVAD,
11622 						 MDIO_PMA_REG_8481_LINK_SIGNAL,
11623 						 0xa492);
11624 			}
11625 
11626 			/* Set LED masks */
11627 			elink_cl45_write(cb, phy,
11628 					 MDIO_PMA_DEVAD,
11629 					 MDIO_PMA_REG_8481_LED1_MASK,
11630 					 0x10);
11631 
11632 			elink_cl45_write(cb, phy,
11633 					 MDIO_PMA_DEVAD,
11634 					 MDIO_PMA_REG_8481_LED2_MASK,
11635 					 0x80);
11636 
11637 			elink_cl45_write(cb, phy,
11638 					 MDIO_PMA_DEVAD,
11639 					 MDIO_PMA_REG_8481_LED3_MASK,
11640 					 0x98);
11641 
11642 			elink_cl45_write(cb, phy,
11643 					 MDIO_PMA_DEVAD,
11644 					 MDIO_PMA_REG_8481_LED5_MASK,
11645 					 0x40);
11646 
11647 		} else {
11648 			/* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
11649 			 * sources are all wired through LED1, rather than only
11650 			 * 10G in other modes.
11651 			 */
11652 			val = ((params->hw_led_mode <<
11653 				SHARED_HW_CFG_LED_MODE_SHIFT) ==
11654 			       SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
11655 
11656 			elink_cl45_write(cb, phy,
11657 					 MDIO_PMA_DEVAD,
11658 					 MDIO_PMA_REG_8481_LED1_MASK,
11659 					 val);
11660 
11661 			/* Tell LED3 to blink on source */
11662 			elink_cl45_read(cb, phy,
11663 					MDIO_PMA_DEVAD,
11664 					MDIO_PMA_REG_8481_LINK_SIGNAL,
11665 					&val);
11666 			val &= ~(7<<6);
11667 			val |= (1<<6); /* A83B[8:6]= 1 */
11668 			elink_cl45_write(cb, phy,
11669 					 MDIO_PMA_DEVAD,
11670 					 MDIO_PMA_REG_8481_LINK_SIGNAL,
11671 					 val);
11672 			if (phy->type ==
11673 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
11674 				/* Restore LED4 source to external link,
11675 				 * and re-enable interrupts.
11676 				 */
11677 				elink_cl45_write(cb, phy,
11678 						 MDIO_PMA_DEVAD,
11679 						 MDIO_PMA_REG_8481_SIGNAL_MASK,
11680 						 0x40);
11681 				if (params->link_flags &
11682 				    ELINK_LINK_FLAGS_INT_DISABLED) {
11683 					elink_link_int_enable(params);
11684 					params->link_flags &=
11685 						~ELINK_LINK_FLAGS_INT_DISABLED;
11686 				}
11687 			}
11688 		}
11689 		break;
11690 	}
11691 
11692 	/* This is a workaround for E3+84833 until autoneg
11693 	 * restart is fixed in f/w
11694 	 */
11695 	if (CHIP_IS_E3(params->chip_id)) {
11696 		elink_cl45_read(cb, phy, MDIO_WC_DEVAD,
11697 				MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
11698 	}
11699 }
11700 #endif /* EXCLUDE_BCM8481 / EXCLUDE_BCM8481 */
11701 #endif // EXCLUDE_NON_COMMON_INIT
11702 
11703 /******************************************************************/
11704 /*			54618SE PHY SECTION			  */
11705 /******************************************************************/
11706 #if (!defined EXCLUDE_NON_COMMON_INIT) && (!defined EXCLUDE_BCM54618SE)
11707 #ifdef ELINK_AUX_POWER
11708 static int elink_54618se_init_required(struct elink_phy *phy,
11709 			       struct elink_params *params)
11710 {
11711 	u16 autoneg_val, an_1000_val, an_10_100_val, ctrl, legacy_status;
11712 	struct elink_dev *cb = params->cb;
11713 	/* read all advertisement */
11714 	elink_cl22_read(cb, phy,
11715 			MDIO_PMA_REG_CTRL, &ctrl);
11716 	/* In case PHY is in reset */
11717 	if (ctrl & (1<<15))
11718 		return 1;
11719 
11720 	elink_cl22_read(cb, phy,
11721 			0x09,
11722 			&an_1000_val);
11723 	elink_cl22_read(cb, phy,
11724 			0x04,
11725 			&an_10_100_val);
11726 	elink_cl22_read(cb, phy,
11727 			MDIO_PMA_REG_CTRL,
11728 			&autoneg_val);
11729 	elink_cl22_read(cb, phy,
11730 			0x19,
11731 			&legacy_status);
11732 	/* Check conditions to avoid link reset in case link was
11733 	 * already initialized and up
11734 	 */
11735 	if ((an_1000_val & 0x300) &&
11736 	    (an_10_100_val & 0x1e0) &&
11737 	    (autoneg_val & 0x1000) &&
11738 	    (legacy_status & (1<<2)))
11739 		return 0;
11740 	return 1;
11741 }
11742 #endif // ELINK_AUX_POWER
11743 static void elink_54618se_specific_func(struct elink_phy *phy,
11744 					struct elink_params *params,
11745 					u32 action)
11746 {
11747 	struct elink_dev *cb = params->cb;
11748 	u16 temp;
11749 	switch (action) {
11750 	case ELINK_PHY_INIT:
11751 		/* Configure LED4: set to INTR (0x6). */
11752 		/* Accessing shadow register 0xe. */
11753 		elink_cl22_write(cb, phy,
11754 				 MDIO_REG_GPHY_SHADOW,
11755 				 MDIO_REG_GPHY_SHADOW_LED_SEL2);
11756 		elink_cl22_read(cb, phy,
11757 				MDIO_REG_GPHY_SHADOW,
11758 				&temp);
11759 		temp &= ~(0xf << 4);
11760 		temp |= (0x6 << 4);
11761 		elink_cl22_write(cb, phy,
11762 				 MDIO_REG_GPHY_SHADOW,
11763 				 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
11764 		/* Configure INTR based on link status change. */
11765 		elink_cl22_write(cb, phy,
11766 				 MDIO_REG_INTR_MASK,
11767 				 ~MDIO_REG_INTR_MASK_LINK_STATUS);
11768 		break;
11769 	}
11770 }
11771 
11772 static elink_status_t
11773 elink_54618se_config_init(struct elink_phy *phy,
11774     struct elink_params *params, struct elink_vars *vars)
11775 {
11776 	struct elink_dev *cb = params->cb;
11777 	u8 port;
11778 	u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
11779 	u32 cfg_pin;
11780 #ifdef ELINK_AUX_POWER
11781 	u32 link_init_required = 1;
11782 	if (!elink_54618se_init_required(phy, params))
11783 		link_init_required = 0;
11784 	if (link_init_required) {
11785 #endif
11786 
11787 	ELINK_DEBUG_P0(cb, "54618SE cfg init\n");
11788 	MSLEEP(cb, 1);
11789 
11790 	/* This works with E3 only, no need to check the chip
11791 	 * before determining the port.
11792 	 */
11793 	port = params->port;
11794 
11795 	cfg_pin = (REG_RD(cb, params->shmem_base +
11796 			OFFSETOF(struct shmem_region,
11797 			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
11798 			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
11799 			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
11800 
11801 	/* Drive pin high to bring the GPHY out of reset. */
11802 	elink_set_cfg_pin(cb, cfg_pin, 1);
11803 
11804 	/* wait for GPHY to reset */
11805 	MSLEEP(cb, 50);
11806 
11807 	/* reset phy */
11808 	elink_cl22_write(cb, phy,
11809 			 MDIO_PMA_REG_CTRL, 0x8000);
11810 	elink_wait_reset_complete(cb, phy, params);
11811 
11812 	/* Wait for GPHY to reset */
11813 	MSLEEP(cb, 50);
11814 
11815 #ifdef ELINK_AUX_POWER
11816 	} // If init required
11817 #endif
11818 
11819 		elink_54618se_specific_func(phy, params, ELINK_PHY_INIT);
11820 	/* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
11821 	elink_cl22_write(cb, phy,
11822 			MDIO_REG_GPHY_SHADOW,
11823 			MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
11824 	elink_cl22_read(cb, phy,
11825 			MDIO_REG_GPHY_SHADOW,
11826 			&temp);
11827 	temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
11828 	elink_cl22_write(cb, phy,
11829 			MDIO_REG_GPHY_SHADOW,
11830 			MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
11831 
11832 	/* Set up fc */
11833 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
11834 	elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
11835 #ifdef ELINK_AUX_POWER
11836 	if (!link_init_required)
11837 		return ELINK_STATUS_OK;
11838 #endif
11839 	fc_val = 0;
11840 	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
11841 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
11842 		fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
11843 
11844 	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
11845 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
11846 		fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
11847 
11848 	/* Read all advertisement */
11849 	elink_cl22_read(cb, phy,
11850 			0x09,
11851 			&an_1000_val);
11852 
11853 	elink_cl22_read(cb, phy,
11854 			0x04,
11855 			&an_10_100_val);
11856 
11857 	elink_cl22_read(cb, phy,
11858 			MDIO_PMA_REG_CTRL,
11859 			&autoneg_val);
11860 
11861 	/* Disable forced speed */
11862 	autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
11863 	an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
11864 			   (1<<11));
11865 
11866 	if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
11867 			(phy->speed_cap_mask &
11868 			PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
11869 			(phy->req_line_speed == ELINK_SPEED_1000)) {
11870 		an_1000_val |= (1<<8);
11871 		autoneg_val |= (1<<9 | 1<<12);
11872 		if (phy->req_duplex == DUPLEX_FULL)
11873 			an_1000_val |= (1<<9);
11874 		ELINK_DEBUG_P0(cb, "Advertising 1G\n");
11875 	} else
11876 		an_1000_val &= ~((1<<8) | (1<<9));
11877 
11878 	elink_cl22_write(cb, phy,
11879 			0x09,
11880 			an_1000_val);
11881 	elink_cl22_read(cb, phy,
11882 			0x09,
11883 			&an_1000_val);
11884 
11885 	/* Advertise 10/100 link speed */
11886 	if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
11887 		if (phy->speed_cap_mask &
11888 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
11889 			an_10_100_val |= (1<<5);
11890 			autoneg_val |= (1<<9 | 1<<12);
11891 			ELINK_DEBUG_P0(cb, "Advertising 10M-HD\n");
11892 		}
11893 		if (phy->speed_cap_mask &
11894 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
11895 			an_10_100_val |= (1<<6);
11896 			autoneg_val |= (1<<9 | 1<<12);
11897 			ELINK_DEBUG_P0(cb, "Advertising 10M-FD\n");
11898 		}
11899 		if (phy->speed_cap_mask &
11900 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
11901 			an_10_100_val |= (1<<7);
11902 			autoneg_val |= (1<<9 | 1<<12);
11903 			ELINK_DEBUG_P0(cb, "Advertising 100M-HD\n");
11904 		}
11905 		if (phy->speed_cap_mask &
11906 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
11907 			an_10_100_val |= (1<<8);
11908 			autoneg_val |= (1<<9 | 1<<12);
11909 			ELINK_DEBUG_P0(cb, "Advertising 100M-FD\n");
11910 		}
11911 	}
11912 
11913 	/* Only 10/100 are allowed to work in FORCE mode */
11914 	if (phy->req_line_speed == ELINK_SPEED_100) {
11915 		autoneg_val |= (1<<13);
11916 		/* Enabled AUTO-MDIX when autoneg is disabled */
11917 		elink_cl22_write(cb, phy,
11918 				0x18,
11919 				(1<<15 | 1<<9 | 7<<0));
11920 		ELINK_DEBUG_P0(cb, "Setting 100M force\n");
11921 	}
11922 	if (phy->req_line_speed == ELINK_SPEED_10) {
11923 		/* Enabled AUTO-MDIX when autoneg is disabled */
11924 		elink_cl22_write(cb, phy,
11925 				0x18,
11926 				(1<<15 | 1<<9 | 7<<0));
11927 		ELINK_DEBUG_P0(cb, "Setting 10M force\n");
11928 	}
11929 
11930 	if ((phy->flags & ELINK_FLAGS_EEE) && elink_eee_has_cap(params)) {
11931 		elink_status_t rc;
11932 
11933 		elink_cl22_write(cb, phy, MDIO_REG_GPHY_EXP_ACCESS,
11934 				 MDIO_REG_GPHY_EXP_ACCESS_TOP |
11935 				 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
11936 		elink_cl22_read(cb, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
11937 		temp &= 0xfffe;
11938 		elink_cl22_write(cb, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
11939 
11940 		rc = elink_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
11941 		if (rc != ELINK_STATUS_OK) {
11942 			ELINK_DEBUG_P0(cb, "Failed to configure EEE timers\n");
11943 			elink_eee_disable(phy, params, vars);
11944 		} else if ((params->eee_mode & ELINK_EEE_MODE_ADV_LPI) &&
11945 			   (phy->req_duplex == DUPLEX_FULL) &&
11946 			   (elink_eee_calc_timer(params) ||
11947 			    !(params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI))) {
11948 			/* Need to advertise EEE only when requested,
11949 			 * and either no LPI assertion was requested,
11950 			 * or it was requested and a valid timer was set.
11951 			 * Also notice full duplex is required for EEE.
11952 			 */
11953 			elink_eee_advertise(phy, params, vars,
11954 					    SHMEM_EEE_1G_ADV);
11955 		} else {
11956 			ELINK_DEBUG_P0(cb, "Don't Advertise 1GBase-T EEE\n");
11957 			elink_eee_disable(phy, params, vars);
11958 		}
11959 	} else {
11960 		vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
11961 				    SHMEM_EEE_SUPPORTED_SHIFT;
11962 
11963 		if (phy->flags & ELINK_FLAGS_EEE) {
11964 			/* Handle legacy auto-grEEEn */
11965 			if (params->feature_config_flags &
11966 			    ELINK_FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
11967 				temp = 6;
11968 				ELINK_DEBUG_P0(cb, "Enabling Auto-GrEEEn\n");
11969 			} else {
11970 				temp = 0;
11971 				ELINK_DEBUG_P0(cb, "Don't Adv. EEE\n");
11972 			}
11973 			elink_cl45_write(cb, phy, MDIO_AN_DEVAD,
11974 					 MDIO_AN_REG_EEE_ADV, temp);
11975 		}
11976 	}
11977 
11978 	elink_cl22_write(cb, phy,
11979 			0x04,
11980 			an_10_100_val | fc_val);
11981 
11982 	if (phy->req_duplex == DUPLEX_FULL)
11983 		autoneg_val |= (1<<8);
11984 
11985 	elink_cl22_write(cb, phy,
11986 			MDIO_PMA_REG_CTRL, autoneg_val);
11987 
11988 	return ELINK_STATUS_OK;
11989 }
11990 
11991 
11992 static void elink_5461x_set_link_led(struct elink_phy *phy,
11993 				       struct elink_params *params, u8 mode)
11994 {
11995 #ifdef ELINK_ENHANCEMENTS
11996 	struct elink_dev *cb = params->cb;
11997 	u16 temp;
11998 
11999 	elink_cl22_write(cb, phy,
12000 		MDIO_REG_GPHY_SHADOW,
12001 		MDIO_REG_GPHY_SHADOW_LED_SEL1);
12002 	elink_cl22_read(cb, phy,
12003 		MDIO_REG_GPHY_SHADOW,
12004 		&temp);
12005 	temp &= 0xff00;
12006 
12007 	ELINK_DEBUG_P1(cb, "54618x set link led (mode=%x)\n", mode);
12008 	switch (mode) {
12009 	case ELINK_LED_MODE_FRONT_PANEL_OFF:
12010 	case ELINK_LED_MODE_OFF:
12011 		temp |= 0x00ee;
12012 		break;
12013 	case ELINK_LED_MODE_OPER:
12014 		temp |= 0x0001;
12015 		break;
12016 	case ELINK_LED_MODE_ON:
12017 		temp |= 0x00ff;
12018 		break;
12019 	default:
12020 		break;
12021 	}
12022 	elink_cl22_write(cb, phy,
12023 		MDIO_REG_GPHY_SHADOW,
12024 		MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
12025 	return;
12026 #endif // ELINK_ENHANCEMENTS
12027 }
12028 
12029 
12030 static void elink_54618se_link_reset(struct elink_phy *phy,
12031 				     struct elink_params *params)
12032 {
12033 	struct elink_dev *cb = params->cb;
12034 	u32 cfg_pin;
12035 	u8 port;
12036 
12037 #ifdef ELINK_AUX_POWER
12038 	if (!elink_54618se_init_required(phy, params))
12039 		return;
12040 #endif // ELINK_AUX_POWER
12041 	/* In case of no EPIO routed to reset the GPHY, put it
12042 	 * in low power mode.
12043 	 */
12044 	elink_cl22_write(cb, phy, MDIO_PMA_REG_CTRL, 0x800);
12045 	/* This works with E3 only, no need to check the chip
12046 	 * before determining the port.
12047 	 */
12048 	port = params->port;
12049 	cfg_pin = (REG_RD(cb, params->shmem_base +
12050 			OFFSETOF(struct shmem_region,
12051 			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
12052 			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
12053 			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
12054 
12055 	/* Drive pin low to put GPHY in reset. */
12056 	elink_set_cfg_pin(cb, cfg_pin, 0);
12057 }
12058 
12059 static elink_status_t
12060 elink_54618se_read_status(struct elink_phy *phy, struct elink_params *params,
12061     struct elink_vars *vars)
12062 {
12063 	struct elink_dev *cb = params->cb;
12064 	u16 val;
12065 	u8 link_up = 0;
12066 	u16 legacy_status, legacy_speed;
12067 
12068 	/* Get speed operation status */
12069 	elink_cl22_read(cb, phy,
12070 			MDIO_REG_GPHY_AUX_STATUS,
12071 			&legacy_status);
12072 	ELINK_DEBUG_P1(cb, "54618SE read_status: 0x%x\n", legacy_status);
12073 
12074 	/* Read status to clear the PHY interrupt. */
12075 	elink_cl22_read(cb, phy,
12076 			MDIO_REG_INTR_STATUS,
12077 			&val);
12078 
12079 	link_up = ((legacy_status & (1<<2)) == (1<<2));
12080 
12081 	if (link_up) {
12082 		legacy_speed = (legacy_status & (7<<8));
12083 		if (legacy_speed == (7<<8)) {
12084 			vars->line_speed = ELINK_SPEED_1000;
12085 			vars->duplex = DUPLEX_FULL;
12086 		} else if (legacy_speed == (6<<8)) {
12087 			vars->line_speed = ELINK_SPEED_1000;
12088 			vars->duplex = DUPLEX_HALF;
12089 		} else if (legacy_speed == (5<<8)) {
12090 			vars->line_speed = ELINK_SPEED_100;
12091 			vars->duplex = DUPLEX_FULL;
12092 		}
12093 		/* Omitting 100Base-T4 for now */
12094 		else if (legacy_speed == (3<<8)) {
12095 			vars->line_speed = ELINK_SPEED_100;
12096 			vars->duplex = DUPLEX_HALF;
12097 		} else if (legacy_speed == (2<<8)) {
12098 			vars->line_speed = ELINK_SPEED_10;
12099 			vars->duplex = DUPLEX_FULL;
12100 		} else if (legacy_speed == (1<<8)) {
12101 			vars->line_speed = ELINK_SPEED_10;
12102 			vars->duplex = DUPLEX_HALF;
12103 		} else /* Should not happen */
12104 			vars->line_speed = 0;
12105 
12106 		ELINK_DEBUG_P2(cb,
12107 		   "Link is up in %dMbps, is_duplex_full= %d\n",
12108 		   vars->line_speed,
12109 		   (vars->duplex == DUPLEX_FULL));
12110 
12111 		/* Check legacy speed AN resolution */
12112 		elink_cl22_read(cb, phy,
12113 				0x01,
12114 				&val);
12115 		if (val & (1<<5))
12116 			vars->link_status |=
12117 				LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
12118 		elink_cl22_read(cb, phy,
12119 				0x06,
12120 				&val);
12121 		if ((val & (1<<0)) == 0)
12122 			vars->link_status |=
12123 				LINK_STATUS_PARALLEL_DETECTION_USED;
12124 
12125 		ELINK_DEBUG_P1(cb, "BCM54618SE: link speed is %d\n",
12126 			   vars->line_speed);
12127 
12128 		elink_ext_phy_resolve_fc(phy, params, vars);
12129 
12130 		if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
12131 			/* Report LP advertised speeds */
12132 			elink_cl22_read(cb, phy, 0x5, &val);
12133 
12134 			if (val & (1<<5))
12135 				vars->link_status |=
12136 				  LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
12137 			if (val & (1<<6))
12138 				vars->link_status |=
12139 				  LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
12140 			if (val & (1<<7))
12141 				vars->link_status |=
12142 				  LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
12143 			if (val & (1<<8))
12144 				vars->link_status |=
12145 				  LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
12146 			if (val & (1<<9))
12147 				vars->link_status |=
12148 				  LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
12149 
12150 			elink_cl22_read(cb, phy, 0xa, &val);
12151 			if (val & (1<<10))
12152 				vars->link_status |=
12153 				  LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
12154 			if (val & (1<<11))
12155 				vars->link_status |=
12156 				  LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
12157 
12158 			if ((phy->flags & ELINK_FLAGS_EEE) &&
12159 			    elink_eee_has_cap(params))
12160 				elink_eee_an_resolve(phy, params, vars);
12161 		}
12162 	}
12163 	return link_up;
12164 }
12165 
12166 static void elink_54618se_config_loopback(struct elink_phy *phy,
12167 					  struct elink_params *params)
12168 {
12169 #ifdef ELINK_INCLUDE_LOOPBACK
12170 	struct elink_dev *cb = params->cb;
12171 	u16 val;
12172 	u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
12173 
12174 	ELINK_DEBUG_P0(cb, "2PMA/PMD ext_phy_loopback: 54618se\n");
12175 
12176 	/* Enable master/slave manual mmode and set to master */
12177 	/* mii write 9 [bits set 11 12] */
12178 	elink_cl22_write(cb, phy, 0x09, 3<<11);
12179 
12180 	/* forced 1G and disable autoneg */
12181 	/* set val [mii read 0] */
12182 	/* set val [expr $val & [bits clear 6 12 13]] */
12183 	/* set val [expr $val | [bits set 6 8]] */
12184 	/* mii write 0 $val */
12185 	elink_cl22_read(cb, phy, 0x00, &val);
12186 	val &= ~((1<<6) | (1<<12) | (1<<13));
12187 	val |= (1<<6) | (1<<8);
12188 	elink_cl22_write(cb, phy, 0x00, val);
12189 
12190 	/* Set external loopback and Tx using 6dB coding */
12191 	/* mii write 0x18 7 */
12192 	/* set val [mii read 0x18] */
12193 	/* mii write 0x18 [expr $val | [bits set 10 15]] */
12194 	elink_cl22_write(cb, phy, 0x18, 7);
12195 	elink_cl22_read(cb, phy, 0x18, &val);
12196 	elink_cl22_write(cb, phy, 0x18, val | (1<<10) | (1<<15));
12197 
12198 	/* This register opens the gate for the UMAC despite its name */
12199 	REG_WR(cb, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
12200 
12201 	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
12202 	 * length used by the MAC receive logic to check frames.
12203 	 */
12204 	REG_WR(cb, umac_base + UMAC_REG_MAXFR, 0x2710);
12205 #endif // ELINK_INCLUDE_LOOPBACK
12206 }
12207 
12208 #endif // (!defined EXCLUDE_NON_COMMON_INIT) && (!defined EXCLUDE_BCM54618SE)
12209 /******************************************************************/
12210 /*			SFX7101 PHY SECTION			  */
12211 /******************************************************************/
12212 #ifndef EXCLUDE_SFX7101
12213 static void elink_7101_config_loopback(struct elink_phy *phy,
12214 				       struct elink_params *params)
12215 {
12216 	struct elink_dev *cb = params->cb;
12217 	/* SFX7101_XGXS_TEST1 */
12218 	elink_cl45_write(cb, phy,
12219 			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
12220 }
12221 
12222 static elink_status_t elink_7101_config_init(struct elink_phy *phy,
12223 				  struct elink_params *params,
12224 				  struct elink_vars *vars)
12225 {
12226 	u16 fw_ver1, fw_ver2, val;
12227 	struct elink_dev *cb = params->cb;
12228 	ELINK_DEBUG_P0(cb, "Setting the SFX7101 LASI indication\n");
12229 
12230 	/* Restore normal power mode*/
12231 	ELINK_SET_GPIO(cb, MISC_REGISTERS_GPIO_2,
12232 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
12233 	/* HW reset */
12234 	elink_ext_phy_hw_reset(cb, params->port);
12235 	elink_wait_reset_complete(cb, phy, params);
12236 
12237 	elink_cl45_write(cb, phy,
12238 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
12239 	ELINK_DEBUG_P0(cb, "Setting the SFX7101 LED to blink on traffic\n");
12240 	elink_cl45_write(cb, phy,
12241 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
12242 
12243 	elink_ext_phy_set_pause(params, phy, vars);
12244 	/* Restart autoneg */
12245 	elink_cl45_read(cb, phy,
12246 			MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
12247 	val |= 0x200;
12248 	elink_cl45_write(cb, phy,
12249 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
12250 
12251 	/* Save spirom version */
12252 	elink_cl45_read(cb, phy,
12253 			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
12254 
12255 	elink_cl45_read(cb, phy,
12256 			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
12257 	elink_save_spirom_version(cb, params->port,
12258 				  (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
12259 	return ELINK_STATUS_OK;
12260 }
12261 
12262 static elink_status_t
12263 elink_7101_read_status(struct elink_phy *phy, struct elink_params *params,
12264     struct elink_vars *vars)
12265 {
12266 	struct elink_dev *cb = params->cb;
12267 	u8 link_up;
12268 	u16 val1, val2;
12269 	elink_cl45_read(cb, phy,
12270 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
12271 	elink_cl45_read(cb, phy,
12272 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
12273 	ELINK_DEBUG_P2(cb, "10G-base-T LASI status 0x%x->0x%x\n",
12274 		   val2, val1);
12275 	elink_cl45_read(cb, phy,
12276 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
12277 	elink_cl45_read(cb, phy,
12278 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
12279 	ELINK_DEBUG_P2(cb, "10G-base-T PMA status 0x%x->0x%x\n",
12280 		   val2, val1);
12281 	link_up = ((val1 & 4) == 4);
12282 	/* If link is up print the AN outcome of the SFX7101 PHY */
12283 	if (link_up) {
12284 		elink_cl45_read(cb, phy,
12285 				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
12286 				&val2);
12287 		vars->line_speed = ELINK_SPEED_10000;
12288 		vars->duplex = DUPLEX_FULL;
12289 		ELINK_DEBUG_P2(cb, "SFX7101 AN status 0x%x->Master=%x\n",
12290 			   val2, (val2 & (1<<14)));
12291 		elink_ext_phy_10G_an_resolve(cb, phy, vars);
12292 		elink_ext_phy_resolve_fc(phy, params, vars);
12293 
12294 		/* Read LP advertised speeds */
12295 		if (val2 & (1<<11))
12296 			vars->link_status |=
12297 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
12298 	}
12299 	return link_up;
12300 }
12301 
12302 static elink_status_t
12303 elink_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
12304 {
12305 	if (*len < 5)
12306 		return ELINK_STATUS_ERROR;
12307 	str[0] = (spirom_ver & 0xFF);
12308 	str[1] = (spirom_ver & 0xFF00) >> 8;
12309 	str[2] = (spirom_ver & 0xFF0000) >> 16;
12310 	str[3] = (spirom_ver & 0xFF000000) >> 24;
12311 	str[4] = '\0';
12312 	*len -= 5;
12313 	return ELINK_STATUS_OK;
12314 }
12315 
12316 void elink_sfx7101_sp_sw_reset(struct elink_dev *cb, struct elink_phy *phy)
12317 {
12318 	u16 val, cnt;
12319 
12320 	elink_cl45_read(cb, phy,
12321 			MDIO_PMA_DEVAD,
12322 			MDIO_PMA_REG_7101_RESET, &val);
12323 
12324 	for (cnt = 0; cnt < 10; cnt++) {
12325 		MSLEEP(cb, 50);
12326 		/* Writes a self-clearing reset */
12327 		elink_cl45_write(cb, phy,
12328 				 MDIO_PMA_DEVAD,
12329 				 MDIO_PMA_REG_7101_RESET,
12330 				 (val | (1<<15)));
12331 		/* Wait for clear */
12332 		elink_cl45_read(cb, phy,
12333 				MDIO_PMA_DEVAD,
12334 				MDIO_PMA_REG_7101_RESET, &val);
12335 
12336 		if ((val & (1<<15)) == 0)
12337 			break;
12338 	}
12339 }
12340 
12341 static void elink_7101_hw_reset(struct elink_phy *phy,
12342 				struct elink_params *params) {
12343 #ifdef ELINK_ENHANCEMENTS
12344 	/* Low power mode is controlled by GPIO 2 */
12345 	ELINK_SET_GPIO(params->cb, MISC_REGISTERS_GPIO_2,
12346 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
12347 	/* The PHY reset is controlled by GPIO 1 */
12348 	ELINK_SET_GPIO(params->cb, MISC_REGISTERS_GPIO_1,
12349 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
12350 #endif // ELINK_ENHANCEMENTS
12351 }
12352 
12353 static void elink_7101_set_link_led(struct elink_phy *phy,
12354 				    struct elink_params *params, u8 mode)
12355 {
12356 	u16 val = 0;
12357 	struct elink_dev *cb = params->cb;
12358 	switch (mode) {
12359 	case ELINK_LED_MODE_FRONT_PANEL_OFF:
12360 	case ELINK_LED_MODE_OFF:
12361 		val = 2;
12362 		break;
12363 	case ELINK_LED_MODE_ON:
12364 		val = 1;
12365 		break;
12366 	case ELINK_LED_MODE_OPER:
12367 		val = 0;
12368 		break;
12369 	}
12370 	elink_cl45_write(cb, phy,
12371 			 MDIO_PMA_DEVAD,
12372 			 MDIO_PMA_REG_7107_LINK_LED_CNTL,
12373 			 val);
12374 }
12375 #endif /* EXCLUDE_SFX7101 */
12376 #endif /* ELINK_EMUL_ONLY */
12377 
12378 /******************************************************************/
12379 /*			STATIC PHY DECLARATION			  */
12380 /******************************************************************/
12381 
12382 static const struct elink_phy phy_null = {
12383 	/*.type		= */PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
12384 	/*.addr		= */0,
12385 	/*.def_md_devad = */0,
12386 	/*.flags	= */ELINK_FLAGS_INIT_XGXS_FIRST,
12387 	/*.rx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12388 	/*.tx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12389 	/*.mdio_ctrl	= */0,
12390 	/*.supported	= */0,
12391 	/*.media_type	= */ELINK_ETH_PHY_NOT_PRESENT,
12392 	/*.ver_addr	= */0,
12393 	/*.req_flow_ctrl = */0,
12394 	/*.req_line_speed = */0,
12395 	/*.speed_cap_mask = */0,
12396 	/*.req_duplex = */0,
12397 	/*.rsrv = */0,
12398 	/*.config_init	= */(config_init_t)NULL,
12399 	/*.read_status	= */(read_status_t)NULL,
12400 	/*.link_reset	= */(link_reset_t)NULL,
12401 	/*.config_loopback = */(config_loopback_t)NULL,
12402 	/*.format_fw_ver = */(format_fw_ver_t)NULL,
12403 	/*.hw_reset	= */(hw_reset_t)NULL,
12404 	/*.set_link_led = */(set_link_led_t)NULL,
12405 	/*.phy_specific_func = */(phy_specific_func_t)NULL
12406 };
12407 
12408 #ifndef EXCLUDE_SERDES
12409 static const struct elink_phy phy_serdes = {
12410 	/*.type		= */PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
12411 	/*.addr		= */0xff,
12412 	/*.def_md_devad = */0,
12413 	/*.flags	= */0,
12414 	/*.rx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12415 	/*.tx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12416 	/*.mdio_ctrl	= */0,
12417 	/*.supported	= */(ELINK_SUPPORTED_10baseT_Half |
12418 			   ELINK_SUPPORTED_10baseT_Full |
12419 			   ELINK_SUPPORTED_100baseT_Half |
12420 			   ELINK_SUPPORTED_100baseT_Full |
12421 			   ELINK_SUPPORTED_1000baseT_Full |
12422 			   ELINK_SUPPORTED_2500baseX_Full |
12423 			   ELINK_SUPPORTED_TP |
12424 			   ELINK_SUPPORTED_Autoneg |
12425 			   ELINK_SUPPORTED_Pause |
12426 			   ELINK_SUPPORTED_Asym_Pause),
12427 	/*.media_type	= */ELINK_ETH_PHY_BASE_T,
12428 	/*.ver_addr	= */0,
12429 	/*.req_flow_ctrl = */0,
12430 	/*.req_line_speed = */0,
12431 	/*.speed_cap_mask = */0,
12432 	/*.req_duplex = */0,
12433 	/*.rsrv = */0,
12434 	/*.config_init	= */elink_xgxs_config_init,
12435 	/*.read_status	= */elink_link_settings_status,
12436 	/*.link_reset	= */elink_int_link_reset,
12437 	/*.config_loopback = */(config_loopback_t)NULL,
12438 	/*.format_fw_ver	= */(format_fw_ver_t)NULL,
12439 	/*.hw_reset	= */(hw_reset_t)NULL,
12440 	/*.set_link_led = */(set_link_led_t)NULL,
12441 	/*.phy_specific_func = */(phy_specific_func_t)NULL
12442 };
12443 
12444 #endif /* #ifndef EXCLUDE_SERDES */
12445 #ifndef EXCLUDE_XGXS
12446 static const struct elink_phy phy_xgxs = {
12447 	/*.type		= */PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
12448 	/*.addr		= */0xff,
12449 	/*.def_md_devad = */0,
12450 	/*.flags	= */0,
12451 	/*.rx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12452 	/*.tx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12453 	/*.mdio_ctrl	= */0,
12454 	/*.supported	= */(ELINK_SUPPORTED_10baseT_Half |
12455 			   ELINK_SUPPORTED_10baseT_Full |
12456 			   ELINK_SUPPORTED_100baseT_Half |
12457 			   ELINK_SUPPORTED_100baseT_Full |
12458 			   ELINK_SUPPORTED_1000baseT_Full |
12459 			   ELINK_SUPPORTED_2500baseX_Full |
12460 			   ELINK_SUPPORTED_10000baseT_Full |
12461 			   ELINK_SUPPORTED_FIBRE |
12462 			   ELINK_SUPPORTED_Autoneg |
12463 			   ELINK_SUPPORTED_Pause |
12464 			   ELINK_SUPPORTED_Asym_Pause),
12465 	/*.media_type	= */ELINK_ETH_PHY_CX4,
12466 	/*.ver_addr	= */0,
12467 	/*.req_flow_ctrl = */0,
12468 	/*.req_line_speed = */0,
12469 	/*.speed_cap_mask = */0,
12470 	/*.req_duplex = */0,
12471 	/*.rsrv = */0,
12472 #ifndef EXCLUDE_NON_COMMON_INIT
12473 	/*.config_init	= */elink_xgxs_config_init,
12474 	/*.read_status	= */elink_link_settings_status,
12475 	/*.link_reset	= */elink_int_link_reset,
12476 	/*.config_loopback = */elink_set_xgxs_loopback,
12477 	/*.format_fw_ver= */(format_fw_ver_t)NULL,
12478 	/*.hw_reset	= */(hw_reset_t)NULL,
12479 	/*.set_link_led = */(set_link_led_t)NULL,
12480 	/*.phy_specific_func = */elink_xgxs_specific_func
12481 #endif
12482 };
12483 #endif
12484 #ifndef EXCLUDE_WARPCORE
12485 static const struct elink_phy phy_warpcore = {
12486 	/*.type		= */PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
12487 	/*.addr		= */0xff,
12488 	/*.def_md_devad = */0,
12489 	/*.flags	= */ELINK_FLAGS_TX_ERROR_CHECK,
12490 	/*.rx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12491 	/*.tx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12492 	/*.mdio_ctrl 	= */0,
12493 	/*.supported	= */(ELINK_SUPPORTED_10baseT_Half |
12494 			   ELINK_SUPPORTED_10baseT_Full |
12495 			   ELINK_SUPPORTED_100baseT_Half |
12496 			   ELINK_SUPPORTED_100baseT_Full |
12497 			   ELINK_SUPPORTED_1000baseT_Full |
12498 			   ELINK_SUPPORTED_10000baseT_Full |
12499 			   ELINK_SUPPORTED_20000baseKR2_Full |
12500 			   ELINK_SUPPORTED_20000baseMLD2_Full |
12501 			   ELINK_SUPPORTED_FIBRE |
12502 			   ELINK_SUPPORTED_Autoneg |
12503 			   ELINK_SUPPORTED_Pause |
12504 			   ELINK_SUPPORTED_Asym_Pause),
12505 	/*.media_type	= */ELINK_ETH_PHY_UNSPECIFIED,
12506 	/*.ver_addr 	= */0,
12507 	/*.req_flow_ctrl = */0,
12508 	/*.req_line_speed = */0,
12509 	/*.speed_cap_mask = */0,
12510 	/* req_duplex = */0,
12511 	/* rsrv = */0,
12512 #ifndef EXCLUDE_NON_COMMON_INIT
12513 	/*.config_init	= */elink_warpcore_config_init,
12514 	/*.read_status	= */elink_warpcore_read_status,
12515 	/*.link_reset	= */elink_warpcore_link_reset,
12516 	/*.config_loopback = */elink_set_warpcore_loopback,
12517 	/*.format_fw_ver= */(format_fw_ver_t)NULL,
12518 	/*.hw_reset = */elink_warpcore_hw_reset,
12519 	/*.set_link_led = */(set_link_led_t)NULL,
12520 	/*.phy_specific_func = */(phy_specific_func_t)NULL
12521 #endif
12522 };
12523 
12524 #endif /* #ifndef EXCLUDE_WARPCORE */
12525 
12526 #ifndef ELINK_EMUL_ONLY
12527 #ifndef EXCLUDE_SFX7101
12528 static const struct elink_phy phy_7101 = {
12529 	/*.type		= */PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
12530 	/*.addr		= */0xff,
12531 	/*.def_md_devad = */0,
12532 	/*.flags	= */ELINK_FLAGS_FAN_FAILURE_DET_REQ,
12533 	/*.rx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12534 	/*.tx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12535 	/*.mdio_ctrl	= */0,
12536 	/*.supported	= */(ELINK_SUPPORTED_10000baseT_Full |
12537 			   ELINK_SUPPORTED_TP |
12538 			   ELINK_SUPPORTED_Autoneg |
12539 			   ELINK_SUPPORTED_Pause |
12540 			   ELINK_SUPPORTED_Asym_Pause),
12541 	/*.media_type	= */ELINK_ETH_PHY_BASE_T,
12542 	/*.ver_addr	= */0,
12543 	/*.req_flow_ctrl = */0,
12544 	/*.req_line_speed = */0,
12545 	/*.speed_cap_mask = */0,
12546 	/*.req_duplex = */0,
12547 	/*.rsrv = */0,
12548 	/*.config_init	= */elink_7101_config_init,
12549 	/*.read_status	= */elink_7101_read_status,
12550 	/*.link_reset	= */elink_common_ext_link_reset,
12551 	/*.config_loopback = */elink_7101_config_loopback,
12552 	/*.format_fw_ver= */elink_7101_format_ver,
12553 	/*.hw_reset	= */elink_7101_hw_reset,
12554 	/*.set_link_led = */elink_7101_set_link_led,
12555 	/*.phy_specific_func = */(phy_specific_func_t)NULL
12556 };
12557 #endif /* EXCLUDE_SFX7101 */
12558 #ifndef EXCLUDE_BCM8727_BCM8073
12559 static const struct elink_phy phy_8073 = {
12560 	/*.type		= */PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
12561 	/*.addr		= */0xff,
12562 	/*.def_md_devad = */0,
12563 	/*.flags	= */0,
12564 	/*.rx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12565 	/*.tx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12566 	/*.mdio_ctrl	= */0,
12567 	/*.supported	= */(ELINK_SUPPORTED_10000baseT_Full |
12568 			   ELINK_SUPPORTED_2500baseX_Full |
12569 			   ELINK_SUPPORTED_1000baseT_Full |
12570 			   ELINK_SUPPORTED_FIBRE |
12571 			   ELINK_SUPPORTED_Autoneg |
12572 			   ELINK_SUPPORTED_Pause |
12573 			   ELINK_SUPPORTED_Asym_Pause),
12574 	/*.media_type	= */ELINK_ETH_PHY_KR,
12575 	/*.ver_addr	= */0,
12576 	/*.req_flow_ctrl = */0,
12577 	/*.req_line_speed = */0,
12578 	/*.speed_cap_mask = */0,
12579 	/*.req_duplex	= */0,
12580 	/*.rsrv		= */0,
12581 #ifndef EXCLUDE_NON_COMMON_INIT
12582 	/*.config_init	= */elink_8073_config_init,
12583 	/*.read_status	= */elink_8073_read_status,
12584 	/*.link_reset	= */elink_8073_link_reset,
12585 	/*.config_loopback = */(config_loopback_t)NULL,
12586 	/*.format_fw_ver= */elink_format_ver,
12587 	/*.hw_reset	= */(hw_reset_t)NULL,
12588 	/*.set_link_led = */(set_link_led_t)NULL,
12589 	/*.phy_specific_func = */elink_8073_specific_func
12590 #endif
12591 };
12592 #endif
12593 #ifndef EXCLUDE_BCM8705
12594 static const struct elink_phy phy_8705 = {
12595 	/*.type		= */PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
12596 	/*.addr		= */0xff,
12597 	/*.def_md_devad = */0,
12598 	/*.flags	= */ELINK_FLAGS_INIT_XGXS_FIRST,
12599 	/*.rx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12600 	/*.tx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12601 	/*.mdio_ctrl	= */0,
12602 	/*.supported	= */(ELINK_SUPPORTED_10000baseT_Full |
12603 			   ELINK_SUPPORTED_FIBRE |
12604 			   ELINK_SUPPORTED_Pause |
12605 			   ELINK_SUPPORTED_Asym_Pause),
12606 	/*.media_type	= */ELINK_ETH_PHY_XFP_FIBER,
12607 	/*.ver_addr	= */0,
12608 	/*.req_flow_ctrl = */0,
12609 	/*.req_line_speed = */0,
12610 	/*.speed_cap_mask = */0,
12611 	/*.req_duplex = */0,
12612 	/*.rsrv = */0,
12613 	/*.config_init	= */elink_8705_config_init,
12614 	/*.read_status	= */elink_8705_read_status,
12615 	/*.link_reset	= */elink_common_ext_link_reset,
12616 	/*.config_loopback = */(config_loopback_t)NULL,
12617 	/*.format_fw_ver= */elink_null_format_ver,
12618 	/*.hw_reset	= */(hw_reset_t)NULL,
12619 	/*.set_link_led = */(set_link_led_t)NULL,
12620 	/*.phy_specific_func = */(phy_specific_func_t)NULL
12621 };
12622 #endif /* EXCLUDE_BCM8705 */
12623 #ifndef EXCLUDE_BCM87x6
12624 static const struct elink_phy phy_8706 = {
12625 	/*.type		= */PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
12626 	/*.addr		= */0xff,
12627 	/*.def_md_devad = */0,
12628 	/*.flags	= */ELINK_FLAGS_INIT_XGXS_FIRST,
12629 	/*.rx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12630 	/*.tx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12631 	/*.mdio_ctrl	= */0,
12632 	/*.supported	= */(ELINK_SUPPORTED_10000baseT_Full |
12633 			   ELINK_SUPPORTED_1000baseT_Full |
12634 			   ELINK_SUPPORTED_FIBRE |
12635 			   ELINK_SUPPORTED_Pause |
12636 			   ELINK_SUPPORTED_Asym_Pause),
12637 	/*.media_type	= */ELINK_ETH_PHY_SFPP_10G_FIBER,
12638 	/*.ver_addr	= */0,
12639 	/*.req_flow_ctrl = */0,
12640 	/*.req_line_speed = */0,
12641 	/*.speed_cap_mask = */0,
12642 	/*.req_duplex = */0,
12643 	/*.rsrv = */0,
12644 	/*.config_init	= */elink_8706_config_init,
12645 	/*.read_status	= */elink_8706_read_status,
12646 	/*.link_reset	= */elink_common_ext_link_reset,
12647 	/*.config_loopback = */(config_loopback_t)NULL,
12648 	/*.format_fw_ver= */elink_format_ver,
12649 	/*.hw_reset	= */(hw_reset_t)NULL,
12650 	/*.set_link_led = */(set_link_led_t)NULL,
12651 	/*.phy_specific_func = */(phy_specific_func_t)NULL
12652 };
12653 
12654 static const struct elink_phy phy_8726 = {
12655 	/*.type		= */PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
12656 	/*.addr		= */0xff,
12657 	/*.def_md_devad = */0,
12658 	/*.flags	= */(ELINK_FLAGS_INIT_XGXS_FIRST |
12659 			   ELINK_FLAGS_TX_ERROR_CHECK),
12660 	/*.rx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12661 	/*.tx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12662 	/*.mdio_ctrl	= */0,
12663 	/*.supported	= */(ELINK_SUPPORTED_10000baseT_Full |
12664 			   ELINK_SUPPORTED_1000baseT_Full |
12665 			   ELINK_SUPPORTED_Autoneg |
12666 			   ELINK_SUPPORTED_FIBRE |
12667 			   ELINK_SUPPORTED_Pause |
12668 			   ELINK_SUPPORTED_Asym_Pause),
12669 	/*.media_type	= */ELINK_ETH_PHY_NOT_PRESENT,
12670 	/*.ver_addr	= */0,
12671 	/*.req_flow_ctrl = */0,
12672 	/*.req_line_speed = */0,
12673 	/*.speed_cap_mask = */0,
12674 	/*.req_duplex = */0,
12675 	/*.rsrv = */0,
12676 	/*.config_init	= */elink_8726_config_init,
12677 	/*.read_status	= */elink_8726_read_status,
12678 	/*.link_reset	= */elink_8726_link_reset,
12679 	/*.config_loopback = */elink_8726_config_loopback,
12680 	/*.format_fw_ver= */elink_format_ver,
12681 	/*.hw_reset	= */(hw_reset_t)NULL,
12682 	/*.set_link_led = */(set_link_led_t)NULL,
12683 	/*.phy_specific_func = */(phy_specific_func_t)NULL
12684 };
12685 #endif /* #ifndef EXCLUDE_BCM87x6 */
12686 
12687 #ifndef EXCLUDE_BCM8727_BCM8073
12688 static const struct elink_phy phy_8727 = {
12689 	/*.type		= */PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
12690 	/*.addr		= */0xff,
12691 	/*.def_md_devad = */0,
12692 	/*.flags	= */(ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12693 			   ELINK_FLAGS_TX_ERROR_CHECK),
12694 	/*.rx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12695 	/*.tx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12696 	/*.mdio_ctrl	= */0,
12697 	/*.supported	= */(ELINK_SUPPORTED_10000baseT_Full |
12698 			   ELINK_SUPPORTED_1000baseT_Full |
12699 			   ELINK_SUPPORTED_FIBRE |
12700 			   ELINK_SUPPORTED_Pause |
12701 			   ELINK_SUPPORTED_Asym_Pause),
12702 	/*.media_type	= */ELINK_ETH_PHY_NOT_PRESENT,
12703 	/*.ver_addr	= */0,
12704 	/*.req_flow_ctrl = */0,
12705 	/*.req_line_speed = */0,
12706 	/*.speed_cap_mask = */0,
12707 	/*.req_duplex = */0,
12708 	/*.rsrv = */0,
12709 #ifndef EXCLUDE_NON_COMMON_INIT
12710 	/*.config_init	= */elink_8727_config_init,
12711 	/*.read_status	= */elink_8727_read_status,
12712 	/*.link_reset	= */elink_8727_link_reset,
12713 	/*.config_loopback = */(config_loopback_t)NULL,
12714 	/*.format_fw_ver= */elink_format_ver,
12715 	/*.hw_reset	= */elink_8727_hw_reset,
12716 	/*.set_link_led = */elink_8727_set_link_led,
12717 	/*.phy_specific_func = */elink_8727_specific_func
12718 #endif
12719 };
12720 #endif
12721 #ifndef EXCLUDE_BCM8481
12722 static const struct elink_phy phy_8481 = {
12723 	/*.type		= */PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
12724 	/*.addr		= */0xff,
12725 	/*.def_md_devad = */0,
12726 	/*.flags	= */ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12727 			  ELINK_FLAGS_REARM_LATCH_SIGNAL,
12728 	/*.rx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12729 	/*.tx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12730 	/*.mdio_ctrl	= */0,
12731 	/*.supported	= */(ELINK_SUPPORTED_10baseT_Half |
12732 			   ELINK_SUPPORTED_10baseT_Full |
12733 			   ELINK_SUPPORTED_100baseT_Half |
12734 			   ELINK_SUPPORTED_100baseT_Full |
12735 			   ELINK_SUPPORTED_1000baseT_Full |
12736 			   ELINK_SUPPORTED_10000baseT_Full |
12737 			   ELINK_SUPPORTED_TP |
12738 			   ELINK_SUPPORTED_Autoneg |
12739 			   ELINK_SUPPORTED_Pause |
12740 			   ELINK_SUPPORTED_Asym_Pause),
12741 	/*.media_type	= */ELINK_ETH_PHY_BASE_T,
12742 	/*.ver_addr	= */0,
12743 	/*.req_flow_ctrl = */0,
12744 	/*.req_line_speed = */0,
12745 	/*.speed_cap_mask = */0,
12746 	/*.req_duplex = */0,
12747 	/*.rsrv = */0,
12748 #ifndef EXCLUDE_NON_COMMON_INIT
12749 	/*.config_init	= */elink_8481_config_init,
12750 	/*.read_status	= */elink_848xx_read_status,
12751 	/*.link_reset	= */elink_8481_link_reset,
12752 	/*.config_loopback = */(config_loopback_t)NULL,
12753 	/*.format_fw_ver= */elink_848xx_format_ver,
12754 	/*.hw_reset	= */elink_8481_hw_reset,
12755 	/*.set_link_led = */elink_848xx_set_link_led,
12756 	/*.phy_specific_func = */(phy_specific_func_t)NULL
12757 #endif
12758 };
12759 
12760 static const struct elink_phy phy_84823 = {
12761 	/*.type		= */PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
12762 	/*.addr		= */0xff,
12763 	/*.def_md_devad = */0,
12764 	/*.flags	= */(ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12765 			   ELINK_FLAGS_REARM_LATCH_SIGNAL |
12766 			   ELINK_FLAGS_TX_ERROR_CHECK),
12767 	/*.rx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12768 	/*.tx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12769 	/*.mdio_ctrl	= */0,
12770 	/*.supported	= */(ELINK_SUPPORTED_10baseT_Half |
12771 			   ELINK_SUPPORTED_10baseT_Full |
12772 			   ELINK_SUPPORTED_100baseT_Half |
12773 			   ELINK_SUPPORTED_100baseT_Full |
12774 			   ELINK_SUPPORTED_1000baseT_Full |
12775 			   ELINK_SUPPORTED_10000baseT_Full |
12776 			   ELINK_SUPPORTED_TP |
12777 			   ELINK_SUPPORTED_Autoneg |
12778 			   ELINK_SUPPORTED_Pause |
12779 			   ELINK_SUPPORTED_Asym_Pause),
12780 	/*.media_type	= */ELINK_ETH_PHY_BASE_T,
12781 	/*.ver_addr	= */0,
12782 	/*.req_flow_ctrl = */0,
12783 	/*.req_line_speed = */0,
12784 	/*.speed_cap_mask = */0,
12785 	/*.req_duplex = */0,
12786 	/*.rsrv = */0,
12787 #ifndef EXCLUDE_NON_COMMON_INIT
12788 	/*.config_init	= */elink_848x3_config_init,
12789 	/*.read_status	= */elink_848xx_read_status,
12790 	/*.link_reset	= */elink_848x3_link_reset,
12791 	/*.config_loopback = */(config_loopback_t)NULL,
12792 	/*.format_fw_ver= */elink_848xx_format_ver,
12793 	/*.hw_reset	= */(hw_reset_t)NULL,
12794 	/*.set_link_led = */elink_848xx_set_link_led,
12795 	/*.phy_specific_func = */elink_848xx_specific_func
12796 #endif // #ifndef EXCLUDE_NON_COMMON_INIT
12797 };
12798 #endif /* EXCLUDE_BCM8481 */
12799 
12800 #ifndef EXCLUDE_BCM84833
12801 static const struct elink_phy phy_84833 = {
12802 	/*.type		= */PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
12803 	/*.addr		= */0xff,
12804 	/*.def_md_devad = */0,
12805 	/*.flags	= */(ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12806 			   ELINK_FLAGS_REARM_LATCH_SIGNAL |
12807 			   ELINK_FLAGS_TX_ERROR_CHECK |
12808 			   ELINK_FLAGS_TEMPERATURE),
12809 	/*.rx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12810 	/*.tx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12811 	/*.mdio_ctrl	= */0,
12812 	/*.supported	= */(ELINK_SUPPORTED_100baseT_Half |
12813 			   ELINK_SUPPORTED_100baseT_Full |
12814 			   ELINK_SUPPORTED_1000baseT_Full |
12815 			   ELINK_SUPPORTED_10000baseT_Full |
12816 			   ELINK_SUPPORTED_TP |
12817 			   ELINK_SUPPORTED_Autoneg |
12818 			   ELINK_SUPPORTED_Pause |
12819 			   ELINK_SUPPORTED_Asym_Pause),
12820 	/*.media_type	= */ELINK_ETH_PHY_BASE_T,
12821 	/*.ver_addr	= */0,
12822 	/*.req_flow_ctrl = */0,
12823 	/*.req_line_speed = */0,
12824 	/*.speed_cap_mask = */0,
12825 	/*.req_duplex = */0,
12826 	/*.rsrv = */0,
12827 #ifndef EXCLUDE_NON_COMMON_INIT
12828 	/*.config_init	= */elink_848x3_config_init,
12829 	/*.read_status	= */elink_848xx_read_status,
12830 	/*.link_reset	= */elink_848x3_link_reset,
12831 	/*.config_loopback = */(config_loopback_t)NULL,
12832 	/*.format_fw_ver= */elink_848xx_format_ver,
12833 	/*.hw_reset	= */elink_84833_hw_reset_phy,
12834 	/*.set_link_led = */elink_848xx_set_link_led,
12835 	/*.phy_specific_func = */elink_848xx_specific_func
12836 #endif
12837 };
12838 
12839 static const struct elink_phy phy_84834 = {
12840 	/*.type		= */PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
12841 	/*.addr		= */0xff,
12842 	/*.def_md_devad = */0,
12843 	/*.flags	= */ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12844 			    ELINK_FLAGS_REARM_LATCH_SIGNAL,
12845 	/*.rx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12846 	/*.tx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12847 	/*.mdio_ctrl	= */0,
12848 	/*.supported	= */(ELINK_SUPPORTED_100baseT_Half |
12849 			   ELINK_SUPPORTED_100baseT_Full |
12850 			   ELINK_SUPPORTED_1000baseT_Full |
12851 			   ELINK_SUPPORTED_10000baseT_Full |
12852 			   ELINK_SUPPORTED_TP |
12853 			   ELINK_SUPPORTED_Autoneg |
12854 			   ELINK_SUPPORTED_Pause |
12855 			   ELINK_SUPPORTED_Asym_Pause),
12856 	/*.media_type	= */ELINK_ETH_PHY_BASE_T,
12857 	/*.ver_addr	= */0,
12858 	/*.req_flow_ctrl = */0,
12859 	/*.req_line_speed = */0,
12860 	/*.speed_cap_mask = */0,
12861 	/*.req_duplex = */0,
12862 	/*.rsrv = */0,
12863 #ifndef EXCLUDE_NON_COMMON_INIT
12864 	/*.config_init	= */elink_848x3_config_init,
12865 	/*.read_status	= */elink_848xx_read_status,
12866 	/*.link_reset	= */elink_848x3_link_reset,
12867 	/*.config_loopback = */(config_loopback_t)NULL,
12868 	/*.format_fw_ver= */elink_848xx_format_ver,
12869 	/*.hw_reset	= */elink_84833_hw_reset_phy,
12870 	/*.set_link_led = */elink_848xx_set_link_led,
12871 	/*.phy_specific_func = */elink_848xx_specific_func
12872 #endif
12873 };
12874 #endif // #ifndef EXCLUDE_BCM84833
12875 
12876 #ifndef EXCLUDE_BCM54618SE
12877 static const struct elink_phy phy_54618se = {
12878 	/*.type		= */PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
12879 	/*.addr		= */0xff,
12880 	/*.def_md_devad = */0,
12881 	/*.flags	= */ELINK_FLAGS_INIT_XGXS_FIRST,
12882 	/*.rx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12883 	/*.tx_preemphasis = */{0xffff, 0xffff, 0xffff, 0xffff},
12884 	/*.mdio_ctrl	= */0,
12885 	/*.supported	= */(ELINK_SUPPORTED_10baseT_Half |
12886 			   ELINK_SUPPORTED_10baseT_Full |
12887 			   ELINK_SUPPORTED_100baseT_Half |
12888 			   ELINK_SUPPORTED_100baseT_Full |
12889 			   ELINK_SUPPORTED_1000baseT_Full |
12890 			   ELINK_SUPPORTED_TP |
12891 			   ELINK_SUPPORTED_Autoneg |
12892 			   ELINK_SUPPORTED_Pause |
12893 			   ELINK_SUPPORTED_Asym_Pause),
12894 	/*.media_type	= */ELINK_ETH_PHY_BASE_T,
12895 	/*.ver_addr 	= */0,
12896 	/*.req_flow_ctrl = */0,
12897 	/*.req_line_speed = */0,
12898 	/*.speed_cap_mask = */0,
12899 	/* req_duplex = */0,
12900 	/* rsrv = */0,
12901 #ifndef EXCLUDE_NON_COMMON_INIT
12902 	/*.config_init	= */elink_54618se_config_init,
12903 	/*.read_status	= */elink_54618se_read_status,
12904 	/*.link_reset	= */elink_54618se_link_reset,
12905 	/*.config_loopback = */elink_54618se_config_loopback,
12906 	/*.format_fw_ver= */(format_fw_ver_t)NULL,
12907 	/*.hw_reset	= */(hw_reset_t)NULL,
12908 	/*.set_link_led = */elink_5461x_set_link_led,
12909 	/*.phy_specific_func = */elink_54618se_specific_func
12910 #endif
12911 };
12912 #endif
12913 #endif /* ELINK_EMUL_ONLY */
12914 /*****************************************************************/
12915 /*                                                               */
12916 /* Populate the phy according. Main function: elink_populate_phy   */
12917 /*                                                               */
12918 /*****************************************************************/
12919 
12920 #ifndef EXCLUDE_COMMON_INIT
12921 static void elink_populate_preemphasis(struct elink_dev *cb, u32 shmem_base,
12922 				     struct elink_phy *phy, u8 port,
12923 				     u8 phy_index)
12924 {
12925 	/* Get the 4 lanes xgxs config rx and tx */
12926 	u32 rx = 0, tx = 0, i;
12927 	for (i = 0; i < 2; i++) {
12928 		/* INT_PHY and ELINK_EXT_PHY1 share the same value location in
12929 		 * the shmem. When num_phys is greater than 1, than this value
12930 		 * applies only to ELINK_EXT_PHY1
12931 		 */
12932 		if (phy_index == ELINK_INT_PHY || phy_index == ELINK_EXT_PHY1) {
12933 			rx = REG_RD(cb, shmem_base +
12934 				    OFFSETOF(struct shmem_region,
12935 			  dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
12936 
12937 			tx = REG_RD(cb, shmem_base +
12938 				    OFFSETOF(struct shmem_region,
12939 			  dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
12940 		} else {
12941 			rx = REG_RD(cb, shmem_base +
12942 				    OFFSETOF(struct shmem_region,
12943 			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
12944 
12945 			tx = REG_RD(cb, shmem_base +
12946 				    OFFSETOF(struct shmem_region,
12947 			 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
12948 		}
12949 
12950 		phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
12951 		phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
12952 
12953 		phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
12954 		phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
12955 	}
12956 }
12957 
12958 #ifndef ELINK_EMUL_ONLY
12959 static u32 elink_get_ext_phy_config(struct elink_dev *cb, u32 shmem_base,
12960 				    u8 phy_index, u8 port)
12961 {
12962 	u32 ext_phy_config = 0;
12963 	switch (phy_index) {
12964 	case ELINK_EXT_PHY1:
12965 		ext_phy_config = REG_RD(cb, shmem_base +
12966 					      OFFSETOF(struct shmem_region,
12967 			dev_info.port_hw_config[port].external_phy_config));
12968 		break;
12969 	case ELINK_EXT_PHY2:
12970 		ext_phy_config = REG_RD(cb, shmem_base +
12971 					      OFFSETOF(struct shmem_region,
12972 			dev_info.port_hw_config[port].external_phy_config2));
12973 		break;
12974 	default:
12975 		ELINK_DEBUG_P1(cb, "Invalid phy_index %d\n", phy_index);
12976 		return ELINK_STATUS_ERROR;
12977 	}
12978 
12979 	return ext_phy_config;
12980 }
12981 #endif /* ELINK_EMUL_ONLY */
12982 static elink_status_t elink_populate_int_phy(struct elink_dev *cb, u32 shmem_base, u8 port,
12983 				  struct elink_phy *phy)
12984 {
12985 	u32 phy_addr;
12986 	u32 chip_id;
12987 	u32 switch_cfg = (REG_RD(cb, shmem_base +
12988 				       OFFSETOF(struct shmem_region,
12989 			dev_info.port_feature_config[port].link_config)) &
12990 			  PORT_FEATURE_CONNECTED_SWITCH_MASK);
12991 	chip_id = (REG_RD(cb, MISC_REG_CHIP_NUM) << 16) |
12992 		((REG_RD(cb, MISC_REG_CHIP_REV) & 0xf) << 12);
12993 
12994 	ELINK_DEBUG_P1(cb, ":chip_id = 0x%x\n", chip_id);
12995 #ifndef EXCLUDE_WARPCORE
12996 	if (ELINK_USES_WARPCORE(chip_id)) {
12997 		u32 serdes_net_if;
12998 		phy_addr = REG_RD(cb,
12999 				  MISC_REG_WC0_CTRL_PHY_ADDR);
13000 		*phy = phy_warpcore;
13001 		if (REG_RD(cb, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
13002 			phy->flags |= ELINK_FLAGS_4_PORT_MODE;
13003 		else
13004 			phy->flags &= ~ELINK_FLAGS_4_PORT_MODE;
13005 			/* Check Dual mode */
13006 		serdes_net_if = (REG_RD(cb, shmem_base +
13007 					OFFSETOF(struct shmem_region, dev_info.
13008 					port_hw_config[port].default_cfg)) &
13009 				 PORT_HW_CFG_NET_SERDES_IF_MASK);
13010 		/* Set the appropriate supported and flags indications per
13011 		 * interface type of the chip
13012 		 */
13013 		switch (serdes_net_if) {
13014 		case PORT_HW_CFG_NET_SERDES_IF_SGMII:
13015 			phy->supported &= (ELINK_SUPPORTED_10baseT_Half |
13016 					   ELINK_SUPPORTED_10baseT_Full |
13017 					   ELINK_SUPPORTED_100baseT_Half |
13018 					   ELINK_SUPPORTED_100baseT_Full |
13019 					   ELINK_SUPPORTED_1000baseT_Full |
13020 					   ELINK_SUPPORTED_FIBRE |
13021 					   ELINK_SUPPORTED_Autoneg |
13022 					   ELINK_SUPPORTED_Pause |
13023 					   ELINK_SUPPORTED_Asym_Pause);
13024 			phy->media_type = ELINK_ETH_PHY_BASE_T;
13025 			break;
13026 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
13027 			phy->supported &= (ELINK_SUPPORTED_1000baseT_Full |
13028 					   ELINK_SUPPORTED_10000baseT_Full |
13029 					   ELINK_SUPPORTED_FIBRE |
13030 					   ELINK_SUPPORTED_Pause |
13031 					   ELINK_SUPPORTED_Asym_Pause);
13032 			phy->media_type = ELINK_ETH_PHY_XFP_FIBER;
13033 			break;
13034 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
13035 			phy->supported &= (ELINK_SUPPORTED_1000baseT_Full |
13036 					   ELINK_SUPPORTED_10000baseT_Full |
13037 					   ELINK_SUPPORTED_FIBRE |
13038 					   ELINK_SUPPORTED_Pause |
13039 					   ELINK_SUPPORTED_Asym_Pause);
13040 			phy->media_type = ELINK_ETH_PHY_SFPP_10G_FIBER;
13041 			break;
13042 		case PORT_HW_CFG_NET_SERDES_IF_KR:
13043 			phy->media_type = ELINK_ETH_PHY_KR;
13044 			phy->supported &= (ELINK_SUPPORTED_1000baseT_Full |
13045 					   ELINK_SUPPORTED_10000baseT_Full |
13046 					   ELINK_SUPPORTED_FIBRE |
13047 					   ELINK_SUPPORTED_Autoneg |
13048 					   ELINK_SUPPORTED_Pause |
13049 					   ELINK_SUPPORTED_Asym_Pause);
13050 			break;
13051 		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
13052 			phy->media_type = ELINK_ETH_PHY_KR;
13053 			phy->flags |= ELINK_FLAGS_WC_DUAL_MODE;
13054 			phy->supported &= (ELINK_SUPPORTED_20000baseMLD2_Full |
13055 					   ELINK_SUPPORTED_FIBRE |
13056 					   ELINK_SUPPORTED_Pause |
13057 					   ELINK_SUPPORTED_Asym_Pause);
13058 			break;
13059 		case PORT_HW_CFG_NET_SERDES_IF_KR2:
13060 			phy->media_type = ELINK_ETH_PHY_KR;
13061 			phy->flags |= ELINK_FLAGS_WC_DUAL_MODE;
13062 			phy->supported &= (ELINK_SUPPORTED_20000baseKR2_Full |
13063 					   ELINK_SUPPORTED_10000baseT_Full |
13064 					   ELINK_SUPPORTED_1000baseT_Full |
13065 					   ELINK_SUPPORTED_Autoneg |
13066 					   ELINK_SUPPORTED_FIBRE |
13067 					   ELINK_SUPPORTED_Pause |
13068 					   ELINK_SUPPORTED_Asym_Pause);
13069 			phy->flags &= ~ELINK_FLAGS_TX_ERROR_CHECK;
13070 			break;
13071 		default:
13072 			ELINK_DEBUG_P1(cb, "Unknown WC interface type 0x%x\n",
13073 				       serdes_net_if);
13074 			break;
13075 		}
13076 
13077 		/* Enable MDC/MDIO work-around for E3 A0 since free running MDC
13078 		 * was not set as expected. For B0, ECO will be enabled so there
13079 		 * won't be an issue there
13080 		 */
13081 		if (CHIP_REV(chip_id) == CHIP_REV_Ax)
13082 			phy->flags |= ELINK_FLAGS_MDC_MDIO_WA;
13083 		else
13084 			phy->flags |= ELINK_FLAGS_MDC_MDIO_WA_B0;
13085 	} else
13086 #endif
13087 	{
13088 		switch (switch_cfg) {
13089 #ifndef EXCLUDE_SERDES
13090 		case ELINK_SWITCH_CFG_1G:
13091 			phy_addr = REG_RD(cb,
13092 					  NIG_REG_SERDES0_CTRL_PHY_ADDR +
13093 					  port * 0x10);
13094 			*phy = phy_serdes;
13095 			break;
13096 #endif /* #ifndef EXCLUDE_SERDES */
13097 #ifndef EXCLUDE_XGXS
13098 		case ELINK_SWITCH_CFG_10G:
13099 			phy_addr = REG_RD(cb,
13100 					  NIG_REG_XGXS0_CTRL_PHY_ADDR +
13101 					  port * 0x18);
13102 			*phy = phy_xgxs;
13103 			break;
13104 #endif /* EXCLUDE_XGXS */
13105 		default:
13106 			ELINK_DEBUG_P0(cb, "Invalid switch_cfg\n");
13107 			return ELINK_STATUS_ERROR;
13108 		}
13109 	}
13110 	phy->addr = (u8)phy_addr;
13111 	phy->mdio_ctrl = elink_get_emac_base(cb,
13112 					    SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
13113 					    port);
13114 	if (CHIP_IS_E2(chip_id))
13115 		phy->def_md_devad = ELINK_E2_DEFAULT_PHY_DEV_ADDR;
13116 	else
13117 		phy->def_md_devad = ELINK_DEFAULT_PHY_DEV_ADDR;
13118 
13119 	ELINK_DEBUG_P3(cb, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
13120 		   port, phy->addr, phy->mdio_ctrl);
13121 
13122 	elink_populate_preemphasis(cb, shmem_base, phy, port, ELINK_INT_PHY);
13123 	return ELINK_STATUS_OK;
13124 }
13125 
13126 #ifndef ELINK_EMUL_ONLY
13127 static elink_status_t elink_populate_ext_phy(struct elink_dev *cb,
13128 				  u8 phy_index,
13129 				  u32 shmem_base,
13130 				  u32 shmem2_base,
13131 				  u8 port,
13132 				  struct elink_phy *phy)
13133 {
13134 	u32 ext_phy_config, phy_type, config2;
13135 	u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
13136 	ext_phy_config = elink_get_ext_phy_config(cb, shmem_base,
13137 						  phy_index, port);
13138 	phy_type = ELINK_XGXS_EXT_PHY_TYPE(ext_phy_config);
13139 	/* Select the phy type */
13140 	switch (phy_type) {
13141 #ifndef EXCLUDE_BCM8727_BCM8073
13142 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
13143 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
13144 		*phy = phy_8073;
13145 		break;
13146 #endif
13147 #ifndef EXCLUDE_BCM8705
13148 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
13149 		*phy = phy_8705;
13150 		break;
13151 #endif
13152 #ifndef EXCLUDE_BCM87x6
13153 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
13154 		*phy = phy_8706;
13155 		break;
13156 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
13157 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
13158 		*phy = phy_8726;
13159 		break;
13160 #endif /* EXCLUDE_BCM87x6 */
13161 #ifndef EXCLUDE_BCM8727_BCM8073
13162 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
13163 		/* BCM8727_NOC => BCM8727 no over current */
13164 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
13165 		*phy = phy_8727;
13166 		phy->flags |= ELINK_FLAGS_NOC;
13167 		break;
13168 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
13169 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
13170 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
13171 		*phy = phy_8727;
13172 		break;
13173 #endif
13174 #ifndef EXCLUDE_BCM8481
13175 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
13176 		*phy = phy_8481;
13177 		break;
13178 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
13179 		*phy = phy_84823;
13180 		break;
13181 #endif
13182 #ifndef EXCLUDE_BCM84833
13183 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
13184 		*phy = phy_84833;
13185 		break;
13186 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
13187 		*phy = phy_84834;
13188 		break;
13189 #endif
13190 #ifndef EXCLUDE_BCM54618SE
13191 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
13192 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
13193 		*phy = phy_54618se;
13194 		if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
13195 			phy->flags |= ELINK_FLAGS_EEE;
13196 		break;
13197 #endif
13198 #ifndef EXCLUDE_SFX7101
13199 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
13200 		*phy = phy_7101;
13201 		break;
13202 #endif
13203 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
13204 		*phy = phy_null;
13205 		return ELINK_STATUS_ERROR;
13206 	default:
13207 		*phy = phy_null;
13208 		/* In case external PHY wasn't found */
13209 		if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
13210 		    (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
13211 			return ELINK_STATUS_ERROR;
13212 		return ELINK_STATUS_OK;
13213 	}
13214 
13215 	phy->addr = ELINK_XGXS_EXT_PHY_ADDR(ext_phy_config);
13216 	elink_populate_preemphasis(cb, shmem_base, phy, port, phy_index);
13217 
13218 	/* The shmem address of the phy version is located on different
13219 	 * structures. In case this structure is too old, do not set
13220 	 * the address
13221 	 */
13222 	config2 = REG_RD(cb, shmem_base + OFFSETOF(struct shmem_region,
13223 					dev_info.shared_hw_config.config2));
13224 	if (phy_index == ELINK_EXT_PHY1) {
13225 		phy->ver_addr = shmem_base + OFFSETOF(struct shmem_region,
13226 				port_mb[port].ext_phy_fw_version);
13227 
13228 		/* Check specific mdc mdio settings */
13229 		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
13230 			mdc_mdio_access = config2 &
13231 			SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
13232 	} else {
13233 		u32 size = REG_RD(cb, shmem2_base);
13234 
13235 		if (size >
13236 		    OFFSETOF(struct shmem2_region, ext_phy_fw_version2)) {
13237 			phy->ver_addr = shmem2_base +
13238 			    OFFSETOF(struct shmem2_region,
13239 				     ext_phy_fw_version2[port]);
13240 		}
13241 		/* Check specific mdc mdio settings */
13242 		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
13243 			mdc_mdio_access = (config2 &
13244 			SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
13245 			(SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
13246 			 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
13247 	}
13248 	phy->mdio_ctrl = elink_get_emac_base(cb, mdc_mdio_access, port);
13249 
13250 	if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
13251 	     (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
13252 	    (phy->ver_addr)) {
13253 		/* Remove 100Mb link supported for BCM84833/4 when phy fw
13254 		 * version lower than or equal to 1.39
13255 		 */
13256 		u32 raw_ver = REG_RD(cb, phy->ver_addr);
13257 		if (((raw_ver & 0x7F) <= 39) &&
13258 		    (((raw_ver & 0xF80) >> 7) <= 1))
13259 			phy->supported &= ~(ELINK_SUPPORTED_100baseT_Half |
13260 					    ELINK_SUPPORTED_100baseT_Full);
13261 	}
13262 
13263 	ELINK_DEBUG_P3(cb, "phy_type 0x%x port %d found in index %d\n",
13264 		   phy_type, port, phy_index);
13265 	ELINK_DEBUG_P2(cb, "             addr=0x%x, mdio_ctl=0x%x\n",
13266 		   phy->addr, phy->mdio_ctrl);
13267 	return ELINK_STATUS_OK;
13268 }
13269 #endif /* ELINK_EMUL_ONLY */
13270 
13271 static elink_status_t elink_populate_phy(struct elink_dev *cb, u8 phy_index, u32 shmem_base,
13272 			      u32 shmem2_base, u8 port, struct elink_phy *phy)
13273 {
13274 	elink_status_t status = ELINK_STATUS_OK;
13275 	phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
13276 	if (phy_index == ELINK_INT_PHY)
13277 		return elink_populate_int_phy(cb, shmem_base, port, phy);
13278 #ifndef ELINK_EMUL_ONLY
13279 	status = elink_populate_ext_phy(cb, phy_index, shmem_base, shmem2_base,
13280 					port, phy);
13281 #endif /* ELINK_EMUL_ONLY */
13282 	return status;
13283 }
13284 
13285 static void elink_phy_def_cfg(struct elink_params *params,
13286 			      struct elink_phy *phy,
13287 			      u8 phy_index)
13288 {
13289 	struct elink_dev *cb = params->cb;
13290 	u32 link_config;
13291 	/* Populate the default phy configuration for MF mode */
13292 	if (phy_index == ELINK_EXT_PHY2) {
13293 		link_config = REG_RD(cb, params->shmem_base +
13294 				     OFFSETOF(struct shmem_region, dev_info.
13295 			port_feature_config[params->port].link_config2));
13296 		phy->speed_cap_mask = REG_RD(cb, params->shmem_base +
13297 					     OFFSETOF(struct shmem_region,
13298 						      dev_info.
13299 			port_hw_config[params->port].speed_capability_mask2));
13300 	} else {
13301 		link_config = REG_RD(cb, params->shmem_base +
13302 				     OFFSETOF(struct shmem_region, dev_info.
13303 				port_feature_config[params->port].link_config));
13304 		phy->speed_cap_mask = REG_RD(cb, params->shmem_base +
13305 					     OFFSETOF(struct shmem_region,
13306 						      dev_info.
13307 			port_hw_config[params->port].speed_capability_mask));
13308 	}
13309 	ELINK_DEBUG_P3(cb,
13310 	   "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
13311 	   phy_index, link_config, phy->speed_cap_mask);
13312 
13313 	phy->req_duplex = DUPLEX_FULL;
13314 	switch (link_config  & PORT_FEATURE_LINK_SPEED_MASK) {
13315 	case PORT_FEATURE_LINK_SPEED_10M_HALF:
13316 		phy->req_duplex = DUPLEX_HALF;
13317 		/* FALLTHROUGH */
13318 	case PORT_FEATURE_LINK_SPEED_10M_FULL:
13319 		phy->req_line_speed = ELINK_SPEED_10;
13320 		break;
13321 	case PORT_FEATURE_LINK_SPEED_100M_HALF:
13322 		phy->req_duplex = DUPLEX_HALF;
13323 		/* FALLTHROUGH */
13324 	case PORT_FEATURE_LINK_SPEED_100M_FULL:
13325 		phy->req_line_speed = ELINK_SPEED_100;
13326 		break;
13327 	case PORT_FEATURE_LINK_SPEED_1G:
13328 		phy->req_line_speed = ELINK_SPEED_1000;
13329 		break;
13330 	case PORT_FEATURE_LINK_SPEED_2_5G:
13331 		phy->req_line_speed = ELINK_SPEED_2500;
13332 		break;
13333 	case PORT_FEATURE_LINK_SPEED_10G_CX4:
13334 		phy->req_line_speed = ELINK_SPEED_10000;
13335 		break;
13336 	default:
13337 		phy->req_line_speed = ELINK_SPEED_AUTO_NEG;
13338 		break;
13339 	}
13340 
13341 	switch (link_config  & PORT_FEATURE_FLOW_CONTROL_MASK) {
13342 	case PORT_FEATURE_FLOW_CONTROL_AUTO:
13343 		phy->req_flow_ctrl = ELINK_FLOW_CTRL_AUTO;
13344 		break;
13345 	case PORT_FEATURE_FLOW_CONTROL_TX:
13346 		phy->req_flow_ctrl = ELINK_FLOW_CTRL_TX;
13347 		break;
13348 	case PORT_FEATURE_FLOW_CONTROL_RX:
13349 		phy->req_flow_ctrl = ELINK_FLOW_CTRL_RX;
13350 		break;
13351 	case PORT_FEATURE_FLOW_CONTROL_BOTH:
13352 		phy->req_flow_ctrl = ELINK_FLOW_CTRL_BOTH;
13353 		break;
13354 	default:
13355 		phy->req_flow_ctrl = ELINK_FLOW_CTRL_NONE;
13356 		break;
13357 	}
13358 }
13359 #endif /* EXCLUDE_COMMON_INIT */
13360 
13361 u32 elink_phy_selection(struct elink_params *params)
13362 {
13363 	u32 phy_config_swapped, prio_cfg;
13364 	u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
13365 
13366 	phy_config_swapped = params->multi_phy_config &
13367 		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
13368 
13369 	prio_cfg = params->multi_phy_config &
13370 			PORT_HW_CFG_PHY_SELECTION_MASK;
13371 
13372 	if (phy_config_swapped) {
13373 		switch (prio_cfg) {
13374 		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
13375 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
13376 		     break;
13377 		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
13378 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
13379 		     break;
13380 		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
13381 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
13382 		     break;
13383 		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
13384 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
13385 		     break;
13386 		}
13387 	} else
13388 		return_cfg = prio_cfg;
13389 
13390 	return return_cfg;
13391 }
13392 
13393 #ifndef EXCLUDE_COMMON_INIT
13394 elink_status_t elink_phy_probe(struct elink_params *params)
13395 {
13396 	u8 phy_index, actual_phy_idx;
13397 	u32 phy_config_swapped, sync_offset, media_types;
13398 	struct elink_dev *cb = params->cb;
13399 	struct elink_phy *phy;
13400 	params->num_phys = 0;
13401 	ELINK_DEBUG_P0(cb, "Begin phy probe\n");
13402 #ifdef ELINK_INCLUDE_EMUL
13403 	if (CHIP_REV_IS_EMUL(params->chip_id))
13404 		return ELINK_STATUS_OK;
13405 #endif
13406 	phy_config_swapped = params->multi_phy_config &
13407 		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
13408 
13409 	for (phy_index = ELINK_INT_PHY; phy_index < ELINK_MAX_PHYS;
13410 	      phy_index++) {
13411 		actual_phy_idx = phy_index;
13412 		if (phy_config_swapped) {
13413 			if (phy_index == ELINK_EXT_PHY1)
13414 				actual_phy_idx = ELINK_EXT_PHY2;
13415 			else if (phy_index == ELINK_EXT_PHY2)
13416 				actual_phy_idx = ELINK_EXT_PHY1;
13417 		}
13418 		ELINK_DEBUG_P3(cb, "phy_config_swapped %x, phy_index %x,"
13419 			       " actual_phy_idx %x\n", phy_config_swapped,
13420 			   phy_index, actual_phy_idx);
13421 		phy = &params->phy[actual_phy_idx];
13422 		if (elink_populate_phy(cb, phy_index, params->shmem_base,
13423 				       params->shmem2_base, params->port,
13424 				       phy) != ELINK_STATUS_OK) {
13425 			params->num_phys = 0;
13426 			ELINK_DEBUG_P1(cb, "phy probe failed in phy index %d\n",
13427 				   phy_index);
13428 			for (phy_index = ELINK_INT_PHY;
13429 			      phy_index < ELINK_MAX_PHYS;
13430 			      phy_index++)
13431 				*phy = phy_null;
13432 			return ELINK_STATUS_ERROR;
13433 		}
13434 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
13435 			break;
13436 
13437 		if (params->feature_config_flags &
13438 		    ELINK_FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
13439 			phy->flags &= ~ELINK_FLAGS_TX_ERROR_CHECK;
13440 
13441 		if (!(params->feature_config_flags &
13442 		      ELINK_FEATURE_CONFIG_MT_SUPPORT))
13443 			phy->flags |= ELINK_FLAGS_MDC_MDIO_WA_G;
13444 
13445 		sync_offset = params->shmem_base +
13446 			OFFSETOF(struct shmem_region,
13447 			dev_info.port_hw_config[params->port].media_type);
13448 		media_types = REG_RD(cb, sync_offset);
13449 
13450 		/* Update media type for non-PMF sync only for the first time
13451 		 * In case the media type changes afterwards, it will be updated
13452 		 * using the update_status function
13453 		 */
13454 		if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
13455 				    (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
13456 				     actual_phy_idx))) == 0) {
13457 			media_types |= ((phy->media_type &
13458 					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
13459 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
13460 				 actual_phy_idx));
13461 		}
13462 		REG_WR(cb, sync_offset, media_types);
13463 
13464 		elink_phy_def_cfg(params, phy, phy_index);
13465 		params->num_phys++;
13466 	}
13467 
13468 	ELINK_DEBUG_P1(cb, "End phy probe. #phys found %x\n", params->num_phys);
13469 	return ELINK_STATUS_OK;
13470 }
13471 #endif /* EXCLUDE_COMMON_INIT */
13472 
13473 #ifdef ELINK_AUX_POWER
13474 u8 elink_phy_is_temperature_support(struct elink_params *params)
13475 {
13476 	u8 phy_index;
13477 	struct elink_phy *phy;
13478 
13479 	/* This function check that at least one of the phy's supports
13480 	 * temperature read.
13481 	 */
13482 	for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
13483 		phy_index++) {
13484 		phy = &params->phy[phy_index];
13485 		if (phy->flags & ELINK_FLAGS_TEMPERATURE)
13486 			return 1;
13487 	}
13488 	return 0;
13489 }
13490 #endif /* ELINK_AUX_POWER */
13491 #ifdef ELINK_INCLUDE_EMUL
13492 static elink_status_t elink_init_e3_emul_mac(struct elink_params *params,
13493 					     struct elink_vars *vars)
13494 {
13495 	struct elink_dev *cb = params->cb;
13496 	vars->line_speed = params->req_line_speed[0];
13497 	/* In case link speed is auto, set speed the highest as possible */
13498 	if (params->req_line_speed[0] == ELINK_SPEED_AUTO_NEG) {
13499 		if (params->feature_config_flags &
13500 		    ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC)
13501 			vars->line_speed = ELINK_SPEED_2500;
13502 		else if (elink_is_4_port_mode(cb))
13503 			vars->line_speed = ELINK_SPEED_10000;
13504 		else
13505 			vars->line_speed = ELINK_SPEED_20000;
13506 	}
13507 	if (vars->line_speed < ELINK_SPEED_10000) {
13508 		if ((params->feature_config_flags &
13509 		     ELINK_FEATURE_CONFIG_EMUL_DISABLE_UMAC)) {
13510 			ELINK_DEBUG_P1(cb, "Invalid line speed %d while UMAC is"
13511 				   " disabled!\n", params->req_line_speed[0]);
13512 			return ELINK_STATUS_ERROR;
13513 		}
13514 		switch (vars->line_speed) {
13515 		case ELINK_SPEED_10:
13516 			vars->link_status = ELINK_LINK_10TFD;
13517 			break;
13518 		case ELINK_SPEED_100:
13519 			vars->link_status = ELINK_LINK_100TXFD;
13520 			break;
13521 		case ELINK_SPEED_1000:
13522 			vars->link_status = ELINK_LINK_1000TFD;
13523 			break;
13524 		case ELINK_SPEED_2500:
13525 			vars->link_status = ELINK_LINK_2500TFD;
13526 			break;
13527 		default:
13528 			ELINK_DEBUG_P1(cb, "Invalid line speed %d for UMAC\n",
13529 				   vars->line_speed);
13530 			return ELINK_STATUS_ERROR;
13531 		}
13532 		vars->link_status |= LINK_STATUS_LINK_UP;
13533 
13534 		if (params->loopback_mode == ELINK_LOOPBACK_UMAC)
13535 			elink_umac_enable(params, vars, 1);
13536 		else
13537 			elink_umac_enable(params, vars, 0);
13538 	} else {
13539 		/* Link speed >= 10000 requires XMAC enabled */
13540 		if (params->feature_config_flags &
13541 		    ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC) {
13542 			ELINK_DEBUG_P1(cb, "Invalid line speed %d while XMAC is"
13543 				   " disabled!\n", params->req_line_speed[0]);
13544 		return ELINK_STATUS_ERROR;
13545 	}
13546 		/* Check link speed */
13547 		switch (vars->line_speed) {
13548 		case ELINK_SPEED_10000:
13549 			vars->link_status = ELINK_LINK_10GTFD;
13550 			break;
13551 		case ELINK_SPEED_20000:
13552 			vars->link_status = ELINK_LINK_20GTFD;
13553 			break;
13554 		default:
13555 			ELINK_DEBUG_P1(cb, "Invalid line speed %d for XMAC\n",
13556 				   vars->line_speed);
13557 			return ELINK_STATUS_ERROR;
13558 		}
13559 		vars->link_status |= LINK_STATUS_LINK_UP;
13560 		if (params->loopback_mode == ELINK_LOOPBACK_XMAC)
13561 			elink_xmac_enable(params, vars, 1);
13562 		else
13563 			elink_xmac_enable(params, vars, 0);
13564 	}
13565 		return ELINK_STATUS_OK;
13566 }
13567 
13568 static elink_status_t elink_init_emul(struct elink_params *params,
13569 			    struct elink_vars *vars)
13570 {
13571 	struct elink_dev *cb = params->cb;
13572 	if (CHIP_IS_E3(params->chip_id)) {
13573 		if (elink_init_e3_emul_mac(params, vars) !=
13574 		    ELINK_STATUS_OK)
13575 			return ELINK_STATUS_ERROR;
13576 	} else {
13577 		if (params->feature_config_flags &
13578 		    ELINK_FEATURE_CONFIG_EMUL_DISABLE_BMAC) {
13579 			vars->line_speed = ELINK_SPEED_1000;
13580 			vars->link_status = (LINK_STATUS_LINK_UP |
13581 					     ELINK_LINK_1000XFD);
13582 			if (params->loopback_mode ==
13583 			    ELINK_LOOPBACK_EMAC)
13584 				elink_emac_enable(params, vars, 1);
13585 			else
13586 				elink_emac_enable(params, vars, 0);
13587 		} else {
13588 			vars->line_speed = ELINK_SPEED_10000;
13589 			vars->link_status = (LINK_STATUS_LINK_UP |
13590 					     ELINK_LINK_10GTFD);
13591 			if (params->loopback_mode ==
13592 			    ELINK_LOOPBACK_BMAC)
13593 				elink_bmac_enable(params, vars, 1, 1);
13594 			else
13595 				elink_bmac_enable(params, vars, 0, 1);
13596 		}
13597 	}
13598 	vars->link_up = 1;
13599 	vars->duplex = DUPLEX_FULL;
13600 	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13601 
13602 #ifndef ELINK_AUX_POWER
13603 		if (CHIP_IS_E1X(params->chip_id))
13604 			elink_pbf_update(params, vars->flow_ctrl,
13605 					 vars->line_speed);
13606 #endif /* ELINK_AUX_POWER */
13607 		/* Disable drain */
13608 		REG_WR(cb, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13609 
13610 		/* update shared memory */
13611 		elink_update_mng(params, vars->link_status);
13612 	return ELINK_STATUS_OK;
13613 }
13614 #endif // ELINK_INCLUDE_EMUL
13615 #ifdef ELINK_INCLUDE_FPGA
13616 static elink_status_t elink_init_fpga(struct elink_params *params,
13617 			    struct elink_vars *vars)
13618 {
13619 	/* Enable on E1.5 FPGA */
13620 	struct elink_dev *cb = params->cb;
13621 	vars->duplex = DUPLEX_FULL;
13622 	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13623 	if (!(CHIP_IS_E1(params->chip_id))) {
13624 		vars->flow_ctrl = (ELINK_FLOW_CTRL_TX |
13625 				   ELINK_FLOW_CTRL_RX);
13626 		vars->link_status |= (LINK_STATUS_TX_FLOW_CONTROL_ENABLED |
13627 				      LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
13628 	}
13629 	if (CHIP_IS_E3(params->chip_id)) {
13630 		vars->line_speed = params->req_line_speed[0];
13631 		switch (vars->line_speed) {
13632 		case ELINK_SPEED_AUTO_NEG:
13633 			vars->line_speed = ELINK_SPEED_2500;
13634 		case ELINK_SPEED_2500:
13635 			vars->link_status = ELINK_LINK_2500TFD;
13636 			break;
13637 		case ELINK_SPEED_1000:
13638 			vars->link_status = ELINK_LINK_1000XFD;
13639 			break;
13640 		case ELINK_SPEED_100:
13641 			vars->link_status = ELINK_LINK_100TXFD;
13642 			break;
13643 		case ELINK_SPEED_10:
13644 			vars->link_status = ELINK_LINK_10TFD;
13645 			break;
13646 		default:
13647 			ELINK_DEBUG_P1(cb, "Invalid link speed %d\n",
13648 				   params->req_line_speed[0]);
13649 			return ELINK_STATUS_ERROR;
13650 		}
13651 		vars->link_status |= LINK_STATUS_LINK_UP;
13652 		if (params->loopback_mode == ELINK_LOOPBACK_UMAC)
13653 			elink_umac_enable(params, vars, 1);
13654 		else
13655 			elink_umac_enable(params, vars, 0);
13656 	} else {
13657 		vars->line_speed = ELINK_SPEED_10000;
13658 		vars->link_status = (LINK_STATUS_LINK_UP | ELINK_LINK_10GTFD);
13659 		if (params->loopback_mode == ELINK_LOOPBACK_EMAC)
13660 			elink_emac_enable(params, vars, 1);
13661 		else
13662 			elink_emac_enable(params, vars, 0);
13663 	}
13664 	vars->link_up = 1;
13665 
13666 #ifndef ELINK_AUX_POWER
13667 	if (CHIP_IS_E1X(params->chip_id))
13668 		elink_pbf_update(params, vars->flow_ctrl,
13669 				 vars->line_speed);
13670 #endif /* ELINK_AUX_POWER */
13671 	/* Disable drain */
13672 	REG_WR(cb, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13673 
13674 	/* Update shared memory */
13675 	elink_update_mng(params, vars->link_status);
13676 		return ELINK_STATUS_OK;
13677 }
13678 #endif // #ifdef ELINK_INCLUDE_FPGA
13679 #ifdef ELINK_INCLUDE_LOOPBACK
13680 static void elink_init_bmac_loopback(struct elink_params *params,
13681 				     struct elink_vars *vars)
13682 {
13683 	struct elink_dev *cb = params->cb;
13684 		vars->link_up = 1;
13685 		vars->line_speed = ELINK_SPEED_10000;
13686 		vars->duplex = DUPLEX_FULL;
13687 		vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13688 		vars->mac_type = ELINK_MAC_TYPE_BMAC;
13689 
13690 		vars->phy_flags = PHY_XGXS_FLAG;
13691 
13692 		elink_xgxs_deassert(params);
13693 
13694 		/* Set bmac loopback */
13695 		elink_bmac_enable(params, vars, 1, 1);
13696 
13697 		REG_WR(cb, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13698 }
13699 
13700 static void elink_init_emac_loopback(struct elink_params *params,
13701 				     struct elink_vars *vars)
13702 {
13703 	struct elink_dev *cb = params->cb;
13704 		vars->link_up = 1;
13705 		vars->line_speed = ELINK_SPEED_1000;
13706 		vars->duplex = DUPLEX_FULL;
13707 		vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13708 		vars->mac_type = ELINK_MAC_TYPE_EMAC;
13709 
13710 		vars->phy_flags = PHY_XGXS_FLAG;
13711 
13712 		elink_xgxs_deassert(params);
13713 		/* Set bmac loopback */
13714 		elink_emac_enable(params, vars, 1);
13715 		elink_emac_program(params, vars);
13716 		REG_WR(cb, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13717 }
13718 
13719 static void elink_init_xmac_loopback(struct elink_params *params,
13720 				     struct elink_vars *vars)
13721 {
13722 	struct elink_dev *cb = params->cb;
13723 	vars->link_up = 1;
13724 	if (!params->req_line_speed[0])
13725 		vars->line_speed = ELINK_SPEED_10000;
13726 	else
13727 		vars->line_speed = params->req_line_speed[0];
13728 	vars->duplex = DUPLEX_FULL;
13729 	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13730 	vars->mac_type = ELINK_MAC_TYPE_XMAC;
13731 	vars->phy_flags = PHY_XGXS_FLAG;
13732 	/* Set WC to loopback mode since link is required to provide clock
13733 	 * to the XMAC in 20G mode
13734 	 */
13735 	elink_set_aer_mmd(params, &params->phy[0]);
13736 	elink_warpcore_reset_lane(cb, &params->phy[0], 0);
13737 	params->phy[ELINK_INT_PHY].config_loopback(
13738 			&params->phy[ELINK_INT_PHY],
13739 			params);
13740 
13741 	elink_xmac_enable(params, vars, 1);
13742 	REG_WR(cb, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13743 }
13744 
13745 static void elink_init_umac_loopback(struct elink_params *params,
13746 				     struct elink_vars *vars)
13747 {
13748 	struct elink_dev *cb = params->cb;
13749 	vars->link_up = 1;
13750 	vars->line_speed = ELINK_SPEED_1000;
13751 	vars->duplex = DUPLEX_FULL;
13752 	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13753 	vars->mac_type = ELINK_MAC_TYPE_UMAC;
13754 	vars->phy_flags = PHY_XGXS_FLAG;
13755 	elink_umac_enable(params, vars, 1);
13756 
13757 	REG_WR(cb, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13758 }
13759 
13760 static void elink_init_xgxs_loopback(struct elink_params *params,
13761 				     struct elink_vars *vars)
13762 {
13763 	struct elink_dev *cb = params->cb;
13764 	struct elink_phy *int_phy = &params->phy[ELINK_INT_PHY];
13765 	vars->link_up = 1;
13766 	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13767 	vars->duplex = DUPLEX_FULL;
13768 	if (params->req_line_speed[0] == ELINK_SPEED_1000)
13769 		vars->line_speed = ELINK_SPEED_1000;
13770 	else if ((params->req_line_speed[0] == ELINK_SPEED_20000) ||
13771 		 (int_phy->flags & ELINK_FLAGS_WC_DUAL_MODE))
13772 		vars->line_speed = ELINK_SPEED_20000;
13773 	else
13774 		vars->line_speed = ELINK_SPEED_10000;
13775 
13776 	if (!ELINK_USES_WARPCORE(params->chip_id))
13777 		elink_xgxs_deassert(params);
13778 	elink_link_initialize(params, vars);
13779 
13780 	if (params->req_line_speed[0] == ELINK_SPEED_1000) {
13781 		if (ELINK_USES_WARPCORE(params->chip_id))
13782 			elink_umac_enable(params, vars, 0);
13783 		else {
13784 			elink_emac_program(params, vars);
13785 			elink_emac_enable(params, vars, 0);
13786 		}
13787 	} else {
13788 		if (ELINK_USES_WARPCORE(params->chip_id))
13789 			elink_xmac_enable(params, vars, 0);
13790 		else
13791 			elink_bmac_enable(params, vars, 0, 1);
13792 	}
13793 
13794 	if (params->loopback_mode == ELINK_LOOPBACK_XGXS) {
13795 		/* Set 10G XGXS loopback */
13796 		int_phy->config_loopback(int_phy, params);
13797 	} else {
13798 		/* Set external phy loopback */
13799 		u8 phy_index;
13800 		for (phy_index = ELINK_EXT_PHY1;
13801 		      phy_index < params->num_phys; phy_index++)
13802 			if (params->phy[phy_index].config_loopback)
13803 				params->phy[phy_index].config_loopback(
13804 					&params->phy[phy_index],
13805 					params);
13806 	}
13807 	REG_WR(cb, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13808 
13809 	elink_set_led(params, vars, ELINK_LED_MODE_OPER, vars->line_speed);
13810 }
13811 #endif // #ifdef ELINK_INCLUDE_LOOPBACK
13812 
13813 #ifdef ELINK_ENHANCEMENTS
13814 void elink_set_rx_filter(struct elink_params *params, u8 en)
13815 {
13816 	struct elink_dev *cb = params->cb;
13817 	u8 val = en * 0x1F;
13818 
13819 	/* Open / close the gate between the NIG and the BRB */
13820 	if (!CHIP_IS_E1X(params->chip_id))
13821 		val |= en * 0x20;
13822 	REG_WR(cb, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
13823 
13824 	if (!CHIP_IS_E1(params->chip_id)) {
13825 		REG_WR(cb, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
13826 		       en*0x3);
13827 	}
13828 
13829 	REG_WR(cb, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
13830 		    NIG_REG_LLH0_BRB1_NOT_MCP), en);
13831 }
13832 #endif /* #ifdef ELINK_ENHANCEMENTS */
13833 #ifndef EXCLUDE_NON_COMMON_INIT
13834 static elink_status_t elink_avoid_link_flap(struct elink_params *params,
13835 					    struct elink_vars *vars)
13836 {
13837 	u32 phy_idx;
13838 	u32 dont_clear_stat, lfa_sts;
13839 	struct elink_dev *cb = params->cb;
13840 
13841 	elink_set_mdio_emac_per_phy(cb, params);
13842 	/* Sync the link parameters */
13843 	elink_link_status_update(params, vars);
13844 
13845 	/*
13846 	 * The module verification was already done by previous link owner,
13847 	 * so this call is meant only to get warning message
13848 	 */
13849 
13850 	for (phy_idx = ELINK_INT_PHY; phy_idx < params->num_phys; phy_idx++) {
13851 		struct elink_phy *phy = &params->phy[phy_idx];
13852 		if (phy->phy_specific_func) {
13853 			ELINK_DEBUG_P0(cb, "Calling PHY specific func\n");
13854 			phy->phy_specific_func(phy, params, ELINK_PHY_INIT);
13855 		}
13856 #ifdef ELINK_ENHANCEMENTS
13857 		if ((phy->media_type == ELINK_ETH_PHY_SFPP_10G_FIBER) ||
13858 		    (phy->media_type == ELINK_ETH_PHY_SFP_1G_FIBER) ||
13859 		    (phy->media_type == ELINK_ETH_PHY_DA_TWINAX))
13860 			elink_verify_sfp_module(phy, params);
13861 #endif
13862 	}
13863 	lfa_sts = REG_RD(cb, params->lfa_base +
13864 			 OFFSETOF(struct shmem_lfa,
13865 				  lfa_sts));
13866 
13867 	dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
13868 
13869 	/* Re-enable the NIG/MAC */
13870 	if (CHIP_IS_E3(params->chip_id)) {
13871 #ifndef EXCLUDE_WARPCORE
13872 		if (!dont_clear_stat) {
13873 			REG_WR(cb, GRCBASE_MISC +
13874 			       MISC_REGISTERS_RESET_REG_2_CLEAR,
13875 			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
13876 				params->port));
13877 			REG_WR(cb, GRCBASE_MISC +
13878 			       MISC_REGISTERS_RESET_REG_2_SET,
13879 			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
13880 				params->port));
13881 		}
13882 		if (vars->line_speed < ELINK_SPEED_10000)
13883 			elink_umac_enable(params, vars, 0);
13884 		else
13885 			elink_xmac_enable(params, vars, 0);
13886 #endif
13887 	} else {
13888 #ifndef EXCLUDE_BMAC2
13889 		if (vars->line_speed < ELINK_SPEED_10000)
13890 			elink_emac_enable(params, vars, 0);
13891 		else
13892 			elink_bmac_enable(params, vars, 0, !dont_clear_stat);
13893 #endif
13894 	}
13895 
13896 	/* Increment LFA count */
13897 	lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
13898 		   (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
13899 		       LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
13900 		    << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
13901 	/* Clear link flap reason */
13902 	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
13903 
13904 	REG_WR(cb, params->lfa_base +
13905 	       OFFSETOF(struct shmem_lfa, lfa_sts), lfa_sts);
13906 
13907 	/* Disable NIG DRAIN */
13908 	REG_WR(cb, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13909 
13910 	/* Enable interrupts */
13911 	elink_link_int_enable(params);
13912 	return ELINK_STATUS_OK;
13913 }
13914 
13915 static void elink_cannot_avoid_link_flap(struct elink_params *params,
13916 					 struct elink_vars *vars,
13917 					 int lfa_status)
13918 {
13919 	u32 lfa_sts, cfg_idx, tmp_val;
13920 	struct elink_dev *cb = params->cb;
13921 
13922 	elink_link_reset(params, vars, 1);
13923 
13924 	if (!params->lfa_base)
13925 		return;
13926 	/* Store the new link parameters */
13927 	REG_WR(cb, params->lfa_base +
13928 	       OFFSETOF(struct shmem_lfa, req_duplex),
13929 	       params->req_duplex[0] | (params->req_duplex[1] << 16));
13930 
13931 	REG_WR(cb, params->lfa_base +
13932 	       OFFSETOF(struct shmem_lfa, req_flow_ctrl),
13933 	       params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
13934 
13935 	REG_WR(cb, params->lfa_base +
13936 	       OFFSETOF(struct shmem_lfa, req_line_speed),
13937 	       params->req_line_speed[0] | (params->req_line_speed[1] << 16));
13938 
13939 	for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
13940 		REG_WR(cb, params->lfa_base +
13941 		       OFFSETOF(struct shmem_lfa,
13942 				speed_cap_mask[cfg_idx]),
13943 		       params->speed_cap_mask[cfg_idx]);
13944 	}
13945 
13946 	tmp_val = REG_RD(cb, params->lfa_base +
13947 			 OFFSETOF(struct shmem_lfa, additional_config));
13948 	tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
13949 	tmp_val |= params->req_fc_auto_adv;
13950 
13951 	REG_WR(cb, params->lfa_base +
13952 	       OFFSETOF(struct shmem_lfa, additional_config), tmp_val);
13953 
13954 	lfa_sts = REG_RD(cb, params->lfa_base +
13955 			 OFFSETOF(struct shmem_lfa, lfa_sts));
13956 
13957 	/* Clear the "Don't Clear Statistics" bit, and set reason */
13958 	lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
13959 
13960 	/* Set link flap reason */
13961 	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
13962 	lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
13963 		    LFA_LINK_FLAP_REASON_OFFSET);
13964 
13965 	/* Increment link flap counter */
13966 	lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
13967 		   (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
13968 		       LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
13969 		    << LINK_FLAP_COUNT_OFFSET));
13970 	REG_WR(cb, params->lfa_base +
13971 	       OFFSETOF(struct shmem_lfa, lfa_sts), lfa_sts);
13972 	/* Proceed with regular link initialization */
13973 }
13974 
13975 elink_status_t elink_phy_init(struct elink_params *params, struct elink_vars *vars)
13976 {
13977 	int lfa_status;
13978 	struct elink_dev *cb = params->cb;
13979 	ELINK_DEBUG_P0(cb, "Phy Initialization started\n");
13980 	ELINK_DEBUG_P2(cb, "(1) req_speed %d, req_flowctrl %d\n",
13981 		   params->req_line_speed[0], params->req_flow_ctrl[0]);
13982 	ELINK_DEBUG_P2(cb, "(2) req_speed %d, req_flowctrl %d\n",
13983 		   params->req_line_speed[1], params->req_flow_ctrl[1]);
13984 	ELINK_DEBUG_P1(cb, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
13985 	vars->link_status = 0;
13986 	vars->phy_link_up = 0;
13987 	vars->link_up = 0;
13988 	vars->line_speed = 0;
13989 	vars->duplex = DUPLEX_FULL;
13990 	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13991 	vars->mac_type = ELINK_MAC_TYPE_NONE;
13992 	vars->phy_flags = 0;
13993 	vars->check_kr2_recovery_cnt = 0;
13994 	params->link_flags = ELINK_PHY_INITIALIZED;
13995 #ifdef ELINK_ENHANCEMENTS
13996 	/* Driver opens NIG-BRB filters */
13997 	elink_set_rx_filter(params, 1);
13998 #endif
13999 	elink_chng_link_count(params, 1);
14000 	/* Check if link flap can be avoided */
14001 	lfa_status = elink_check_lfa(params);
14002 
14003 	if (lfa_status == 0) {
14004 		ELINK_DEBUG_P0(cb, "Link Flap Avoidance in progress\n");
14005 		return elink_avoid_link_flap(params, vars);
14006 	}
14007 
14008 	ELINK_DEBUG_P1(cb, "Cannot avoid link flap lfa_sta=0x%x\n",
14009 		       lfa_status);
14010 	elink_cannot_avoid_link_flap(params, vars, lfa_status);
14011 
14012 	/* Disable attentions */
14013 	elink_bits_dis(cb, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
14014 		       (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
14015 			ELINK_NIG_MASK_XGXS0_LINK10G |
14016 			ELINK_NIG_MASK_SERDES0_LINK_STATUS |
14017 			ELINK_NIG_MASK_MI_INT));
14018 #ifdef ELINK_INCLUDE_EMUL
14019 	if (!(params->feature_config_flags &
14020 	      ELINK_FEATURE_CONFIG_EMUL_DISABLE_EMAC))
14021 #endif //ELINK_INCLUDE_EMUL
14022 
14023 	elink_emac_init(params, vars);
14024 
14025 	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
14026 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
14027 
14028 	if ((params->num_phys == 0) &&
14029 	    !CHIP_REV_IS_SLOW(params->chip_id)) {
14030 		ELINK_DEBUG_P0(cb, "No phy found for initialization !!\n");
14031 		return ELINK_STATUS_ERROR;
14032 	}
14033 	set_phy_vars(params, vars);
14034 
14035 	ELINK_DEBUG_P1(cb, "Num of phys on board: %d\n", params->num_phys);
14036 #ifdef ELINK_INCLUDE_FPGA
14037 	if (CHIP_REV_IS_FPGA(params->chip_id)) {
14038 		return elink_init_fpga(params, vars);
14039 	} else
14040 #endif /* ELINK_INCLUDE_FPGA */
14041 #ifdef ELINK_INCLUDE_EMUL
14042 	if (CHIP_REV_IS_EMUL(params->chip_id)) {
14043 		return elink_init_emul(params, vars);
14044 	} else
14045 #endif /* ELINK_INCLUDE_EMUL */
14046 #ifdef ELINK_INCLUDE_LOOPBACK
14047 	switch (params->loopback_mode) {
14048 	case ELINK_LOOPBACK_BMAC:
14049 		elink_init_bmac_loopback(params, vars);
14050 		break;
14051 	case ELINK_LOOPBACK_EMAC:
14052 		elink_init_emac_loopback(params, vars);
14053 		break;
14054 	case ELINK_LOOPBACK_XMAC:
14055 		elink_init_xmac_loopback(params, vars);
14056 		break;
14057 	case ELINK_LOOPBACK_UMAC:
14058 		elink_init_umac_loopback(params, vars);
14059 		break;
14060 	case ELINK_LOOPBACK_XGXS:
14061 	case ELINK_LOOPBACK_EXT_PHY:
14062 		elink_init_xgxs_loopback(params, vars);
14063 		break;
14064 	default:
14065 #endif /* ELINK_INCLUDE_LOOPBACK */
14066 #ifndef EXCLUDE_XGXS
14067 		if (!CHIP_IS_E3(params->chip_id)) {
14068 			if (params->switch_cfg == ELINK_SWITCH_CFG_10G)
14069 				elink_xgxs_deassert(params);
14070 #ifndef EXCLUDE_SERDES
14071 			else
14072 				elink_serdes_deassert(cb, params->port);
14073 #endif // EXCLUDE_SERDES
14074 		}
14075 #endif /* EXCLUDE_XGXS */
14076 		elink_link_initialize(params, vars);
14077 		MSLEEP(cb, 30);
14078 		elink_link_int_enable(params);
14079 #ifdef ELINK_INCLUDE_LOOPBACK
14080 		break;
14081 	}
14082 #endif // ELINK_INCLUDE_LOOPBACK
14083 	elink_update_mng(params, vars->link_status);
14084 
14085 #ifndef EXCLUDE_WARPCORE
14086 	elink_update_mng_eee(params, vars->eee_status);
14087 #endif /* #ifndef EXCLUDE_BCM84833 */
14088 	return ELINK_STATUS_OK;
14089 }
14090 
14091 #ifndef EXCLUDE_LINK_RESET
14092 elink_status_t elink_link_reset(struct elink_params *params, struct elink_vars *vars,
14093 		     u8 reset_ext_phy)
14094 {
14095 	struct elink_dev *cb = params->cb;
14096 	u8 phy_index, port = params->port, clear_latch_ind = 0;
14097 	ELINK_DEBUG_P1(cb, "Resetting the link of port %d\n", port);
14098 	/* Disable attentions */
14099 	vars->link_status = 0;
14100 	elink_chng_link_count(params, 1);
14101 	elink_update_mng(params, vars->link_status);
14102 #ifndef EXCLUDE_WARPCORE
14103 	vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
14104 			      SHMEM_EEE_ACTIVE_BIT);
14105 	elink_update_mng_eee(params, vars->eee_status);
14106 #endif /* #ifndef EXCLUDE_BCM84833 */
14107 	elink_bits_dis(cb, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
14108 		       (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
14109 			ELINK_NIG_MASK_XGXS0_LINK10G |
14110 			ELINK_NIG_MASK_SERDES0_LINK_STATUS |
14111 			ELINK_NIG_MASK_MI_INT));
14112 
14113 	/* Activate nig drain */
14114 	REG_WR(cb, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
14115 
14116 	/* Disable nig egress interface */
14117 	if (!CHIP_IS_E3(params->chip_id)) {
14118 		REG_WR(cb, NIG_REG_BMAC0_OUT_EN + port*4, 0);
14119 		REG_WR(cb, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
14120 	}
14121 
14122 #ifdef ELINK_INCLUDE_EMUL
14123 	/* Stop BigMac rx */
14124 	if (!(params->feature_config_flags &
14125 	      ELINK_FEATURE_CONFIG_EMUL_DISABLE_BMAC))
14126 #endif // ELINK_INCLUDE_EMUL
14127 #if !defined(EXCLUDE_BMAC2) && !defined(EXCLUDE_BMAC1)
14128 		if (!CHIP_IS_E3(params->chip_id))
14129 			elink_set_bmac_rx(cb, params->chip_id, port, 0);
14130 #endif //  !defined(EXCLUDE_BMAC2) && !defined(EXCLUDE_BMAC1)
14131 #ifndef EXCLUDE_WARPCORE
14132 #ifdef ELINK_INCLUDE_EMUL
14133 	/* Stop XMAC/UMAC rx */
14134 	if (!(params->feature_config_flags &
14135 	      ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC))
14136 #endif // ELINK_INCLUDE_EMUL
14137 		if (CHIP_IS_E3(params->chip_id) &&
14138 		!CHIP_REV_IS_FPGA(params->chip_id)) {
14139 			elink_set_xmac_rxtx(params, 0);
14140 			elink_set_umac_rxtx(params, 0);
14141 		}
14142 #endif // EXCLUDE_WARPCORE
14143 	/* Disable emac */
14144 	if (!CHIP_IS_E3(params->chip_id))
14145 		REG_WR(cb, NIG_REG_NIG_EMAC0_EN + port*4, 0);
14146 
14147 	MSLEEP(cb, 10);
14148 	/* The PHY reset is controlled by GPIO 1
14149 	 * Hold it as vars low
14150 	 */
14151 	 /* Clear link led */
14152 	elink_set_mdio_emac_per_phy(cb, params);
14153 	elink_set_led(params, vars, ELINK_LED_MODE_OFF, 0);
14154 
14155 	if (reset_ext_phy && (!CHIP_REV_IS_SLOW(params->chip_id))) {
14156 		for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
14157 		      phy_index++) {
14158 			if (params->phy[phy_index].link_reset) {
14159 				elink_set_aer_mmd(params,
14160 						  &params->phy[phy_index]);
14161 				params->phy[phy_index].link_reset(
14162 					&params->phy[phy_index],
14163 					params);
14164 			}
14165 			if (params->phy[phy_index].flags &
14166 			    ELINK_FLAGS_REARM_LATCH_SIGNAL)
14167 				clear_latch_ind = 1;
14168 		}
14169 	}
14170 
14171 	if (clear_latch_ind) {
14172 		/* Clear latching indication */
14173 		elink_rearm_latch_signal(cb, port, 0);
14174 		elink_bits_dis(cb, NIG_REG_LATCH_BC_0 + port*4,
14175 			       1 << ELINK_NIG_LATCH_BC_ENABLE_MI_INT);
14176 	}
14177 #if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
14178 	if (!CHIP_REV_IS_SLOW(params->chip_id))
14179 #endif
14180 	if (params->phy[ELINK_INT_PHY].link_reset)
14181 		params->phy[ELINK_INT_PHY].link_reset(
14182 			&params->phy[ELINK_INT_PHY], params);
14183 
14184 	/* Disable nig ingress interface */
14185 	if (!CHIP_IS_E3(params->chip_id)) {
14186 		/* Reset BigMac */
14187 		REG_WR(cb, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
14188 		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
14189 		REG_WR(cb, NIG_REG_BMAC0_IN_EN + port*4, 0);
14190 		REG_WR(cb, NIG_REG_EMAC0_IN_EN + port*4, 0);
14191 	} else {
14192 #ifndef EXCLUDE_WARPCORE
14193 		u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
14194 		elink_set_xumac_nig(params, 0, 0);
14195 		if (REG_RD(cb, MISC_REG_RESET_REG_2) &
14196 		    MISC_REGISTERS_RESET_REG_2_XMAC)
14197 			REG_WR(cb, xmac_base + XMAC_REG_CTRL,
14198 			       XMAC_CTRL_REG_SOFT_RESET);
14199 #endif // EXCLUDE_WARPCORE
14200 	}
14201 	vars->link_up = 0;
14202 	vars->phy_flags = 0;
14203 	return ELINK_STATUS_OK;
14204 }
14205 #endif // EXCLUDE_LINK_RESET
14206 #ifndef ELINK_AUX_POWER
14207 elink_status_t elink_lfa_reset(struct elink_params *params,
14208 			       struct elink_vars *vars)
14209 {
14210 	struct elink_dev *cb = params->cb;
14211 	vars->link_up = 0;
14212 	vars->phy_flags = 0;
14213 	params->link_flags &= ~ELINK_PHY_INITIALIZED;
14214 	if (!params->lfa_base)
14215 		return elink_link_reset(params, vars, 1);
14216 	/*
14217 	 * Activate NIG drain so that during this time the device won't send
14218 	 * anything while it is unable to response.
14219 	 */
14220 	REG_WR(cb, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
14221 
14222 	/*
14223 	 * Close gracefully the gate from BMAC to NIG such that no half packets
14224 	 * are passed.
14225 	 */
14226 	if (!CHIP_IS_E3(params->chip_id))
14227 		elink_set_bmac_rx(cb, params->chip_id, params->port, 0);
14228 
14229 	if (CHIP_IS_E3(params->chip_id)) {
14230 		elink_set_xmac_rxtx(params, 0);
14231 		elink_set_umac_rxtx(params, 0);
14232 	}
14233 	/* Wait 10ms for the pipe to clean up*/
14234 	MSLEEP(cb, 10);
14235 
14236 #ifdef ELINK_ENHANCEMENTS
14237 	/* Clean the NIG-BRB using the network filters in a way that will
14238 	 * not cut a packet in the middle.
14239 	 */
14240 	elink_set_rx_filter(params, 0);
14241 #endif
14242 
14243 	/*
14244 	 * Re-open the gate between the BMAC and the NIG, after verifying the
14245 	 * gate to the BRB is closed, otherwise packets may arrive to the
14246 	 * firmware before driver had initialized it. The target is to achieve
14247 	 * minimum management protocol down time.
14248 	 */
14249 	if (!CHIP_IS_E3(params->chip_id))
14250 		elink_set_bmac_rx(cb, params->chip_id, params->port, 1);
14251 
14252 	if (CHIP_IS_E3(params->chip_id)) {
14253 		elink_set_xmac_rxtx(params, 1);
14254 		elink_set_umac_rxtx(params, 1);
14255 	}
14256 	/* Disable NIG drain */
14257 	REG_WR(cb, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
14258 	return ELINK_STATUS_OK;
14259 }
14260 #endif /* ELINK_AUX_POWER */
14261 #endif // EXCLUDE_NON_COMMON_INIT
14262 
14263 /****************************************************************************/
14264 /*				Common function				    */
14265 /****************************************************************************/
14266 #ifndef EXCLUDE_COMMON_INIT
14267 #ifndef ELINK_EMUL_ONLY
14268 #ifndef EXCLUDE_BCM8727_BCM8073
14269 static elink_status_t elink_8073_common_init_phy(struct elink_dev *cb,
14270 				      u32 shmem_base_path[],
14271 				      u32 shmem2_base_path[], u8 phy_index,
14272 				      u32 chip_id)
14273 {
14274 	struct elink_phy phy[PORT_MAX];
14275 	struct elink_phy *phy_blk[PORT_MAX];
14276 	u16 val;
14277 	s8 port = 0;
14278 	s8 port_of_path = 0;
14279 	u32 swap_val, swap_override;
14280 	swap_val = REG_RD(cb,  NIG_REG_PORT_SWAP);
14281 	swap_override = REG_RD(cb,  NIG_REG_STRAP_OVERRIDE);
14282 	port ^= (swap_val && swap_override);
14283 	elink_ext_phy_hw_reset(cb, port);
14284 	/* PART1 - Reset both phys */
14285 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14286 		u32 shmem_base, shmem2_base;
14287 		/* In E2, same phy is using for port0 of the two paths */
14288 		if (CHIP_IS_E1X(chip_id)) {
14289 			shmem_base = shmem_base_path[0];
14290 			shmem2_base = shmem2_base_path[0];
14291 			port_of_path = port;
14292 		} else {
14293 			shmem_base = shmem_base_path[port];
14294 			shmem2_base = shmem2_base_path[port];
14295 			port_of_path = 0;
14296 		}
14297 
14298 		/* Extract the ext phy address for the port */
14299 		if (elink_populate_phy(cb, phy_index, shmem_base, shmem2_base,
14300 				       port_of_path, &phy[port]) !=
14301 		    ELINK_STATUS_OK) {
14302 			ELINK_DEBUG_P0(cb, "populate_phy failed\n");
14303 			return ELINK_STATUS_ERROR;
14304 		}
14305 		/* Disable attentions */
14306 		elink_bits_dis(cb, NIG_REG_MASK_INTERRUPT_PORT0 +
14307 			       port_of_path*4,
14308 			       (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
14309 				ELINK_NIG_MASK_XGXS0_LINK10G |
14310 				ELINK_NIG_MASK_SERDES0_LINK_STATUS |
14311 				ELINK_NIG_MASK_MI_INT));
14312 
14313 		/* Need to take the phy out of low power mode in order
14314 		 * to write to access its registers
14315 		 */
14316 		ELINK_SET_GPIO(cb, MISC_REGISTERS_GPIO_2,
14317 			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
14318 			       port);
14319 
14320 		/* Reset the phy */
14321 		elink_cl45_write(cb, &phy[port],
14322 				 MDIO_PMA_DEVAD,
14323 				 MDIO_PMA_REG_CTRL,
14324 				 1<<15);
14325 	}
14326 
14327 	/* Add delay of 150ms after reset */
14328 	MSLEEP(cb, 150);
14329 
14330 	if (phy[PORT_0].addr & 0x1) {
14331 		phy_blk[PORT_0] = &(phy[PORT_1]);
14332 		phy_blk[PORT_1] = &(phy[PORT_0]);
14333 	} else {
14334 		phy_blk[PORT_0] = &(phy[PORT_0]);
14335 		phy_blk[PORT_1] = &(phy[PORT_1]);
14336 	}
14337 
14338 	/* PART2 - Download firmware to both phys */
14339 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14340 		if (CHIP_IS_E1X(chip_id))
14341 			port_of_path = port;
14342 		else
14343 			port_of_path = 0;
14344 
14345 		ELINK_DEBUG_P1(cb, "Loading spirom for phy address 0x%x\n",
14346 			   phy_blk[port]->addr);
14347 		if (elink_8073_8727_external_rom_boot(cb, phy_blk[port],
14348 						      port_of_path))
14349 			return ELINK_STATUS_ERROR;
14350 
14351 		/* Only set bit 10 = 1 (Tx power down) */
14352 		elink_cl45_read(cb, phy_blk[port],
14353 				MDIO_PMA_DEVAD,
14354 				MDIO_PMA_REG_TX_POWER_DOWN, &val);
14355 
14356 		/* Phase1 of TX_POWER_DOWN reset */
14357 		elink_cl45_write(cb, phy_blk[port],
14358 				 MDIO_PMA_DEVAD,
14359 				 MDIO_PMA_REG_TX_POWER_DOWN,
14360 				 (val | 1<<10));
14361 	}
14362 
14363 	/* Toggle Transmitter: Power down and then up with 600ms delay
14364 	 * between
14365 	 */
14366 	MSLEEP(cb, 600);
14367 
14368 	/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
14369 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14370 		/* Phase2 of POWER_DOWN_RESET */
14371 		/* Release bit 10 (Release Tx power down) */
14372 		elink_cl45_read(cb, phy_blk[port],
14373 				MDIO_PMA_DEVAD,
14374 				MDIO_PMA_REG_TX_POWER_DOWN, &val);
14375 
14376 		elink_cl45_write(cb, phy_blk[port],
14377 				MDIO_PMA_DEVAD,
14378 				MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
14379 		MSLEEP(cb, 15);
14380 
14381 		/* Read modify write the SPI-ROM version select register */
14382 		elink_cl45_read(cb, phy_blk[port],
14383 				MDIO_PMA_DEVAD,
14384 				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
14385 		elink_cl45_write(cb, phy_blk[port],
14386 				 MDIO_PMA_DEVAD,
14387 				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
14388 
14389 		/* set GPIO2 back to LOW */
14390 		ELINK_SET_GPIO(cb, MISC_REGISTERS_GPIO_2,
14391 			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
14392 	}
14393 	return ELINK_STATUS_OK;
14394 }
14395 #endif /* EXCLUDE_BCM8727_BCM8073 */
14396 #ifndef EXCLUDE_BCM87x6
14397 static elink_status_t elink_8726_common_init_phy(struct elink_dev *cb,
14398 				      u32 shmem_base_path[],
14399 				      u32 shmem2_base_path[], u8 phy_index,
14400 				      u32 chip_id)
14401 {
14402 	u32 val;
14403 	s8 port;
14404 	struct elink_phy phy;
14405 	/* Use port1 because of the static port-swap */
14406 	/* Enable the module detection interrupt */
14407 	val = REG_RD(cb, MISC_REG_GPIO_EVENT_EN);
14408 	val |= ((1<<MISC_REGISTERS_GPIO_3)|
14409 		(1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
14410 	REG_WR(cb, MISC_REG_GPIO_EVENT_EN, val);
14411 
14412 	elink_ext_phy_hw_reset(cb, 0);
14413 	MSLEEP(cb, 5);
14414 	for (port = 0; port < PORT_MAX; port++) {
14415 		u32 shmem_base, shmem2_base;
14416 
14417 		/* In E2, same phy is using for port0 of the two paths */
14418 		if (CHIP_IS_E1X(chip_id)) {
14419 			shmem_base = shmem_base_path[0];
14420 			shmem2_base = shmem2_base_path[0];
14421 		} else {
14422 			shmem_base = shmem_base_path[port];
14423 			shmem2_base = shmem2_base_path[port];
14424 		}
14425 		/* Extract the ext phy address for the port */
14426 		if (elink_populate_phy(cb, phy_index, shmem_base, shmem2_base,
14427 				       port, &phy) !=
14428 		    ELINK_STATUS_OK) {
14429 			ELINK_DEBUG_P0(cb, "populate phy failed\n");
14430 			return ELINK_STATUS_ERROR;
14431 		}
14432 
14433 		/* Reset phy*/
14434 		elink_cl45_write(cb, &phy,
14435 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
14436 
14437 
14438 		/* Set fault module detected LED on */
14439 		ELINK_SET_GPIO(cb, MISC_REGISTERS_GPIO_0,
14440 			       MISC_REGISTERS_GPIO_HIGH,
14441 			       port);
14442 	}
14443 
14444 	return ELINK_STATUS_OK;
14445 }
14446 #endif /* #ifndef EXCLUDE_BCM87x6 */
14447 #ifndef EXCLUDE_BCM8727_BCM8073
14448 static void elink_get_ext_phy_reset_gpio(struct elink_dev *cb, u32 shmem_base,
14449 					 u8 *io_gpio, u8 *io_port)
14450 {
14451 
14452 	u32 phy_gpio_reset = REG_RD(cb, shmem_base +
14453 					  OFFSETOF(struct shmem_region,
14454 				dev_info.port_hw_config[PORT_0].default_cfg));
14455 	switch (phy_gpio_reset) {
14456 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
14457 		*io_gpio = 0;
14458 		*io_port = 0;
14459 		break;
14460 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
14461 		*io_gpio = 1;
14462 		*io_port = 0;
14463 		break;
14464 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
14465 		*io_gpio = 2;
14466 		*io_port = 0;
14467 		break;
14468 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
14469 		*io_gpio = 3;
14470 		*io_port = 0;
14471 		break;
14472 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
14473 		*io_gpio = 0;
14474 		*io_port = 1;
14475 		break;
14476 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
14477 		*io_gpio = 1;
14478 		*io_port = 1;
14479 		break;
14480 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
14481 		*io_gpio = 2;
14482 		*io_port = 1;
14483 		break;
14484 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
14485 		*io_gpio = 3;
14486 		*io_port = 1;
14487 		break;
14488 	default:
14489 		/* Don't override the io_gpio and io_port */
14490 		break;
14491 	}
14492 }
14493 
14494 static elink_status_t elink_8727_common_init_phy(struct elink_dev *cb,
14495 				      u32 shmem_base_path[],
14496 				      u32 shmem2_base_path[], u8 phy_index,
14497 				      u32 chip_id)
14498 {
14499 	s8 port, reset_gpio;
14500 	u32 swap_val, swap_override;
14501 	struct elink_phy phy[PORT_MAX];
14502 	struct elink_phy *phy_blk[PORT_MAX];
14503 	s8 port_of_path;
14504 	swap_val = REG_RD(cb, NIG_REG_PORT_SWAP);
14505 	swap_override = REG_RD(cb, NIG_REG_STRAP_OVERRIDE);
14506 
14507 	reset_gpio = MISC_REGISTERS_GPIO_1;
14508 	port = 1;
14509 
14510 	/* Retrieve the reset gpio/port which control the reset.
14511 	 * Default is GPIO1, PORT1
14512 	 */
14513 	elink_get_ext_phy_reset_gpio(cb, shmem_base_path[0],
14514 				     (u8 *)&reset_gpio, (u8 *)&port);
14515 
14516 	/* Calculate the port based on port swap */
14517 	port ^= (swap_val && swap_override);
14518 
14519 	/* Initiate PHY reset*/
14520 	ELINK_SET_GPIO(cb, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
14521 		       port);
14522 	MSLEEP(cb, 1);
14523 	ELINK_SET_GPIO(cb, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
14524 		       port);
14525 
14526 	MSLEEP(cb, 5);
14527 
14528 	/* PART1 - Reset both phys */
14529 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14530 		u32 shmem_base, shmem2_base;
14531 
14532 		/* In E2, same phy is using for port0 of the two paths */
14533 		if (CHIP_IS_E1X(chip_id)) {
14534 			shmem_base = shmem_base_path[0];
14535 			shmem2_base = shmem2_base_path[0];
14536 			port_of_path = port;
14537 		} else {
14538 			shmem_base = shmem_base_path[port];
14539 			shmem2_base = shmem2_base_path[port];
14540 			port_of_path = 0;
14541 		}
14542 
14543 		/* Extract the ext phy address for the port */
14544 		if (elink_populate_phy(cb, phy_index, shmem_base, shmem2_base,
14545 				       port_of_path, &phy[port]) !=
14546 				       ELINK_STATUS_OK) {
14547 			ELINK_DEBUG_P0(cb, "populate phy failed\n");
14548 			return ELINK_STATUS_ERROR;
14549 		}
14550 		/* disable attentions */
14551 		elink_bits_dis(cb, NIG_REG_MASK_INTERRUPT_PORT0 +
14552 			       port_of_path*4,
14553 			       (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
14554 				ELINK_NIG_MASK_XGXS0_LINK10G |
14555 				ELINK_NIG_MASK_SERDES0_LINK_STATUS |
14556 				ELINK_NIG_MASK_MI_INT));
14557 
14558 
14559 		/* Reset the phy */
14560 		elink_cl45_write(cb, &phy[port],
14561 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
14562 	}
14563 
14564 	/* Add delay of 150ms after reset */
14565 	MSLEEP(cb, 150);
14566 	if (phy[PORT_0].addr & 0x1) {
14567 		phy_blk[PORT_0] = &(phy[PORT_1]);
14568 		phy_blk[PORT_1] = &(phy[PORT_0]);
14569 	} else {
14570 		phy_blk[PORT_0] = &(phy[PORT_0]);
14571 		phy_blk[PORT_1] = &(phy[PORT_1]);
14572 	}
14573 	/* PART2 - Download firmware to both phys */
14574 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14575 		if (CHIP_IS_E1X(chip_id))
14576 			port_of_path = port;
14577 		else
14578 			port_of_path = 0;
14579 		ELINK_DEBUG_P1(cb, "Loading spirom for phy address 0x%x\n",
14580 			   phy_blk[port]->addr);
14581 		if (elink_8073_8727_external_rom_boot(cb, phy_blk[port],
14582 						      port_of_path))
14583 			return ELINK_STATUS_ERROR;
14584 		/* Disable PHY transmitter output */
14585 		elink_cl45_write(cb, phy_blk[port],
14586 				 MDIO_PMA_DEVAD,
14587 				 MDIO_PMA_REG_TX_DISABLE, 1);
14588 
14589 	}
14590 	return ELINK_STATUS_OK;
14591 }
14592 #endif /* EXCLUDE_BCM8727_BCM8073 */
14593 
14594 #ifndef EXCLUDE_BCM84833
14595 static elink_status_t elink_84833_common_init_phy(struct elink_dev *cb,
14596 						u32 shmem_base_path[],
14597 						u32 shmem2_base_path[],
14598 						u8 phy_index,
14599 						u32 chip_id)
14600 {
14601 	u8 reset_gpios;
14602 	reset_gpios = elink_84833_get_reset_gpios(cb, shmem_base_path, chip_id);
14603 #ifndef EDEBUG
14604 	ELINK_SET_MULT_GPIO(cb, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
14605 	USLEEP(cb, 10);
14606 	ELINK_SET_MULT_GPIO(cb, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
14607 	ELINK_DEBUG_P1(cb, "84833 reset pulse on pin values 0x%x\n",
14608 		reset_gpios);
14609 #endif
14610 	return ELINK_STATUS_OK;
14611 }
14612 #ifndef EXCLUDE_FROM_BNX2X
14613 static elink_status_t elink_84833_pre_init_phy(struct elink_dev *cb,
14614 				    struct elink_phy *phy,
14615 				    u8 port)
14616 {
14617 	u16 val, cnt;
14618 	/* Wait for FW completing its initialization. */
14619 	for (cnt = 0; cnt < 1500; cnt++) {
14620 		elink_cl45_read(cb, phy,
14621 				MDIO_PMA_DEVAD,
14622 				MDIO_PMA_REG_CTRL, &val);
14623 		if (!(val & (1<<15)))
14624 			break;
14625 		MSLEEP(cb, 1);
14626 	}
14627 	if (cnt >= 1500) {
14628 		ELINK_DEBUG_P0(cb, "84833 reset timeout\n");
14629 		return ELINK_STATUS_ERROR;
14630 	}
14631 
14632 	/* Put the port in super isolate mode. */
14633 	elink_cl45_read(cb, phy,
14634 			MDIO_CTL_DEVAD,
14635 			MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
14636 	val |= MDIO_84833_SUPER_ISOLATE;
14637 	elink_cl45_write(cb, phy,
14638 			 MDIO_CTL_DEVAD,
14639 			 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
14640 
14641 	/* Save spirom version */
14642 	elink_save_848xx_spirom_version(phy, cb, port);
14643 	return ELINK_STATUS_OK;
14644 }
14645 
14646 elink_status_t elink_pre_init_phy(struct elink_dev *cb,
14647 				  u32 shmem_base,
14648 				  u32 shmem2_base,
14649 				  u32 chip_id,
14650 				  u8 port)
14651 {
14652 	elink_status_t rc = ELINK_STATUS_OK;
14653 	struct elink_phy phy;
14654 	if (elink_populate_phy(cb, ELINK_EXT_PHY1, shmem_base, shmem2_base,
14655 			       port, &phy) != ELINK_STATUS_OK) {
14656 		ELINK_DEBUG_P0(cb, "populate_phy failed\n");
14657 		return ELINK_STATUS_ERROR;
14658 	}
14659 	elink_set_mdio_clk(cb, chip_id, phy.mdio_ctrl);
14660 	switch (phy.type) {
14661 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
14662 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
14663 		rc = elink_84833_pre_init_phy(cb, &phy, port);
14664 		break;
14665 	default:
14666 		break;
14667 	}
14668 	return rc;
14669 }
14670 #endif /* EXCLUDE_FROM_BNX2X */
14671 #endif /* EXCLUDE_BCM84833 */
14672 static elink_status_t elink_ext_phy_common_init(struct elink_dev *cb, u32 shmem_base_path[],
14673 				     u32 shmem2_base_path[], u8 phy_index,
14674 				     u32 ext_phy_type, u32 chip_id)
14675 {
14676 	elink_status_t rc = ELINK_STATUS_OK;
14677 
14678 	switch (ext_phy_type) {
14679 #ifndef EXCLUDE_BCM8727_BCM8073
14680 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
14681 		rc = elink_8073_common_init_phy(cb, shmem_base_path,
14682 						shmem2_base_path,
14683 						phy_index, chip_id);
14684 		break;
14685 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
14686 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
14687 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
14688 		rc = elink_8727_common_init_phy(cb, shmem_base_path,
14689 						shmem2_base_path,
14690 						phy_index, chip_id);
14691 		break;
14692 
14693 #endif
14694 #ifndef EXCLUDE_BCM87x6
14695 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
14696 		/* GPIO1 affects both ports, so there's need to pull
14697 		 * it for single port alone
14698 		 */
14699 		rc = elink_8726_common_init_phy(cb, shmem_base_path,
14700 						shmem2_base_path,
14701 						phy_index, chip_id);
14702 		break;
14703 #endif /* #ifndef EXCLUDE_BCM87x6 */
14704 #ifndef EXCLUDE_BCM84833
14705 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
14706 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
14707 		/* GPIO3's are linked, and so both need to be toggled
14708 		 * to obtain required 2us pulse.
14709 		 */
14710 		rc = elink_84833_common_init_phy(cb, shmem_base_path,
14711 						shmem2_base_path,
14712 						phy_index, chip_id);
14713 		break;
14714 #endif
14715 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
14716 		rc = ELINK_STATUS_ERROR;
14717 		break;
14718 	default:
14719 		ELINK_DEBUG_P1(cb,
14720 			   "ext_phy 0x%x common init not required\n",
14721 			   ext_phy_type);
14722 		break;
14723 	}
14724 
14725 	if (rc != ELINK_STATUS_OK)
14726 		elink_cb_event_log(cb, ELINK_LOG_ID_PHY_UNINITIALIZED, 0); // "Warning: PHY was not initialized,"
14727 				     // " Port %d\n",
14728 
14729 	return rc;
14730 }
14731 
14732 #ifdef INCLUDE_WARPCORE_UC_LOAD
14733 static elink_status_t elink_warpcore_common_init(struct elink_dev *cb,
14734 						 u32 shmem_base_path[],
14735 						 u32 shmem2_base_path[],
14736 						 u8 phy_index,
14737 						 u32 chip_id,
14738 						 u8 one_port_enabled)
14739 {
14740 	struct elink_phy phy;
14741 	u32 wc_lane_config;
14742 	u16 val;
14743 	elink_status_t rc;
14744 
14745 	REG_WR(cb,  MISC_REG_LCPLL_E40_PWRDWN, 0);
14746 	/* Procedure to bring the LCPLL out of reset. */
14747 	MSLEEP(cb, 1);
14748 	REG_WR(cb,  MISC_REG_LCPLL_E40_RESETB_ANA, 1);
14749 	MSLEEP(cb, 1);
14750 	REG_WR(cb,  MISC_REG_LCPLL_E40_RESETB_DIG, 1);
14751 
14752 	ELINK_DEBUG_P0(cb, "Resetting Warpcore\n");
14753 
14754 	if (elink_reset_warpcore(cb) != ELINK_STATUS_OK)
14755 		return ELINK_STATUS_ERROR;
14756 
14757 	/* Extract the ext phy address for the port */
14758 	if (elink_populate_phy(cb, phy_index, shmem_base_path[0],
14759 			       shmem2_base_path[0],
14760 			       0, &phy) != ELINK_STATUS_OK) {
14761 		ELINK_DEBUG_P0(cb, "populate phy failed\n");
14762 		return ELINK_STATUS_ERROR;
14763 	}
14764 
14765 	/* Set WC to use CL45 */
14766 	REG_WR(cb, MISC_REG_WC0_CTRL_MD_ST, 0);
14767 	/* Set swap lanes and polarity */
14768 	wc_lane_config = REG_RD(cb, shmem_base_path[0] +
14769 				OFFSETOF(struct shmem_region, dev_info.
14770 					 shared_hw_config.wc_lane_config));
14771 
14772 	/* Power down warpcore lanes */
14773 	if (one_port_enabled)
14774 		elink_warpcore_powerdown_secondport_lanes(cb, &phy);
14775 
14776 	/* Disable sequencer */
14777 	elink_warpcore_sequencer(cb, &phy, 0);
14778 
14779  	elink_warpcore_set_lane_swap(cb, &phy, wc_lane_config);
14780 	elink_warpcore_set_lane_polarity(cb, &phy, wc_lane_config);
14781 
14782 	if (phy.flags & ELINK_FLAGS_WC_DUAL_MODE)
14783 		elink_warpcore_set_dual_mode(cb, &phy, shmem_base_path[0]);
14784 	else
14785 		elink_warpcore_set_quad_mode(cb, &phy);
14786 
14787 	/* Load Warpcore microcode */
14788 	rc = elink_warpcore_load_uc(cb, &phy);
14789 	if (rc != ELINK_STATUS_OK)
14790 		return rc;
14791 
14792 	/* RX traffic and TX traffic requires clock sync.
14793 	 * When transmiting we send data + clock to the Warpcore.
14794 	 * This clock is provided by lane 0 of the Warpcore.
14795 	 * So we need to configure this lane to supply us the correct clock
14796 	 * which will be use for transmit on all lanes
14797 	 */
14798 
14799 	CL22_WR_OVER_CL45(cb, &phy, MDIO_REG_BANK_AER_BLOCK,
14800 			  MDIO_AER_BLOCK_AER_REG, 0);
14801 	elink_cl45_read(cb, &phy, MDIO_WC_DEVAD,
14802 			MDIO_WC_REG_XGXS_X2_CONTROL2, &val);
14803 	val &= 0xDE1F;
14804 	if (phy.flags & ELINK_FLAGS_WC_DUAL_MODE) {
14805 		val |= (1<<11);
14806 		val |= (9<<5);
14807 		/* To force tx_wclk33 to txckp[0] */
14808 		if (phy.supported & ELINK_SUPPORTED_20000baseKR2_Full)
14809 			val |= (1<<13);
14810 
14811 		/* Dual mode - lanes 0,1 use same clocks/resets - from lane 0
14812 		 * Lanes 2,3 use same clocks/resets - from lane 2
14813 		 */
14814 		elink_cl45_write(cb, &phy, MDIO_WC_DEVAD,
14815 				 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
14816 	} else
14817 		val |= 0x2800;
14818 
14819 	elink_cl45_write(cb, &phy, MDIO_WC_DEVAD,
14820 			 MDIO_WC_REG_XGXS_X2_CONTROL2, val);
14821 
14822 	/* Enable sequencer */
14823 	elink_warpcore_sequencer(cb, &phy, 1);
14824 
14825 	return ELINK_STATUS_OK;
14826 }
14827 
14828 #endif /* INCLUDE_WARPCORE_UC_LOAD */
14829 #endif /* ELINK_EMUL_ONLY */
14830 elink_status_t elink_common_init_phy(struct elink_dev *cb, u32 shmem_base_path[],
14831 			  u32 shmem2_base_path[], u32 chip_id,
14832 			  u8 one_port_enabled)
14833 {
14834 	elink_status_t rc = ELINK_STATUS_OK;
14835 	u32 phy_ver, val;
14836 #ifndef ELINK_EMUL_ONLY
14837 	u8 phy_index = 0;
14838 	u32 ext_phy_type, ext_phy_config;
14839 #endif
14840 #if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
14841 	if (CHIP_REV_IS_EMUL(chip_id) || CHIP_REV_IS_FPGA(chip_id))
14842 		return ELINK_STATUS_OK;
14843 #endif
14844 
14845 	elink_set_mdio_clk(cb, chip_id, GRCBASE_EMAC0);
14846 	elink_set_mdio_clk(cb, chip_id, GRCBASE_EMAC1);
14847 	ELINK_DEBUG_P0(cb, "Begin common phy init\n");
14848 	if (CHIP_IS_E3(chip_id)) {
14849 		/* Enable EPIO */
14850 		val = REG_RD(cb, MISC_REG_GEN_PURP_HWG);
14851 		REG_WR(cb, MISC_REG_GEN_PURP_HWG, val | 1);
14852 	}
14853 #ifndef ELINK_EMUL_ONLY
14854 	/* Check if common init was already done */
14855 	phy_ver = REG_RD(cb, shmem_base_path[0] +
14856 			 OFFSETOF(struct shmem_region,
14857 				  port_mb[PORT_0].ext_phy_fw_version));
14858 	if (phy_ver) {
14859 		ELINK_DEBUG_P1(cb, "Not doing common init; phy ver is 0x%x\n",
14860 			       phy_ver);
14861 		return ELINK_STATUS_OK;
14862 	}
14863 
14864 #ifdef INCLUDE_WARPCORE_UC_LOAD
14865 	if (ELINK_USES_WARPCORE(chip_id)) {
14866 		rc |= elink_warpcore_common_init(cb, shmem_base_path,
14867 						 shmem2_base_path, phy_index,
14868 						 chip_id, one_port_enabled);
14869 	}
14870 #endif
14871 	/* Read the ext_phy_type for arbitrary port(0) */
14872 	for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
14873 	      phy_index++) {
14874 		ext_phy_config = elink_get_ext_phy_config(cb,
14875 							  shmem_base_path[0],
14876 							  phy_index, 0);
14877 		ext_phy_type = ELINK_XGXS_EXT_PHY_TYPE(ext_phy_config);
14878 		rc |= elink_ext_phy_common_init(cb, shmem_base_path,
14879 						shmem2_base_path,
14880 						phy_index, ext_phy_type,
14881 						chip_id);
14882 	}
14883 #endif /* ELINK_EMUL_ONLY */
14884 	return rc;
14885 }
14886 #endif // #ifndef EXCLUDE_COMMON_INIT
14887 
14888 #ifndef EXCLUDE_NON_COMMON_INIT
14889 #ifndef EXCLUDE_WARPCORE
14890 static void elink_check_over_curr(struct elink_params *params,
14891 				  struct elink_vars *vars)
14892 {
14893 	struct elink_dev *cb = params->cb;
14894 	u32 cfg_pin;
14895 	u8 port = params->port;
14896 	u32 pin_val;
14897 
14898 	cfg_pin = (REG_RD(cb, params->shmem_base +
14899 			  OFFSETOF(struct shmem_region,
14900 			       dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
14901 		   PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
14902 		PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
14903 
14904 	/* Ignore check if no external input PIN available */
14905 	if (elink_get_cfg_pin(cb, cfg_pin, &pin_val) != ELINK_STATUS_OK)
14906 		return;
14907 
14908 	if (!pin_val) {
14909 		if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
14910 #ifndef ELINK_AUX_POWER
14911 			elink_cb_event_log(cb, ELINK_LOG_ID_OVER_CURRENT, params->port); //"Error:  Power fault on Port %d has"
14912 					  //  " been detected and the power to "
14913 					  //  "that SFP+ module has been removed"
14914 					  //  " to prevent failure of the card."
14915 					  //  " Please remove the SFP+ module and"
14916 					  //  " restart the system to clear this"
14917 					  //  " error.\n",
14918 #endif /* ELINK_AUX_POWER */
14919 			vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
14920 			elink_warpcore_power_module(params, 0);
14921 		}
14922 	} else
14923 		vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
14924 }
14925 #endif // EXCLUDE_WARPCORE
14926 
14927 /* Returns 0 if no change occured since last check; 1 otherwise. */
14928 static u8 elink_analyze_link_error(struct elink_params *params,
14929 				    struct elink_vars *vars, u32 status,
14930 				    u32 phy_flag, u32 link_flag, u8 notify)
14931 {
14932 	struct elink_dev *cb = params->cb;
14933 	/* Compare new value with previous value */
14934 	u8 led_mode;
14935 	u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
14936 
14937 	if ((status ^ old_status) == 0)
14938 		return 0;
14939 
14940 	/* If values differ */
14941 	switch (phy_flag) {
14942 	case PHY_HALF_OPEN_CONN_FLAG:
14943 		ELINK_DEBUG_P0(cb, "Analyze Remote Fault\n");
14944 		break;
14945 	case PHY_SFP_TX_FAULT_FLAG:
14946 		ELINK_DEBUG_P0(cb, "Analyze TX Fault\n");
14947 		break;
14948 	default:
14949 		ELINK_DEBUG_P0(cb, "Analyze UNKNOWN\n");
14950 	}
14951 	ELINK_DEBUG_P3(cb, "Link changed:[%x %x]->%x\n", vars->link_up,
14952 	   old_status, status);
14953 
14954 	/* Do not touch the link in case physical link down */
14955 	if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
14956 		return 1;
14957 
14958 	/* a. Update shmem->link_status accordingly
14959 	 * b. Update elink_vars->link_up
14960 	 */
14961 	if (status) {
14962 		vars->link_status &= ~LINK_STATUS_LINK_UP;
14963 		vars->link_status |= link_flag;
14964 		vars->link_up = 0;
14965 		vars->phy_flags |= phy_flag;
14966 
14967 		/* activate nig drain */
14968 		REG_WR(cb, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
14969 		/* Set LED mode to off since the PHY doesn't know about these
14970 		 * errors
14971 		 */
14972 		led_mode = ELINK_LED_MODE_OFF;
14973 	} else {
14974 		vars->link_status |= LINK_STATUS_LINK_UP;
14975 		vars->link_status &= ~link_flag;
14976 		vars->link_up = 1;
14977 		vars->phy_flags &= ~phy_flag;
14978 		led_mode = ELINK_LED_MODE_OPER;
14979 
14980 		/* Clear nig drain */
14981 		REG_WR(cb, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
14982 	}
14983 #ifndef ELINK_AUX_POWER
14984 #ifdef ELINK_57711E_SUPPORT
14985 	elink_sync_link(params, vars);
14986 #endif // ELINK_57711E_SUPPORT
14987 #endif // ELINK_AUX_POWER
14988 	/* Update the LED according to the link state */
14989 	elink_set_led(params, vars, led_mode, ELINK_SPEED_10000);
14990 
14991 	/* Update link status in the shared memory */
14992 	elink_update_mng(params, vars->link_status);
14993 
14994 	/* C. Trigger General Attention */
14995 	vars->periodic_flags |= ELINK_PERIODIC_FLAGS_LINK_EVENT;
14996 #ifndef EDEBUG
14997 	if (notify)
14998 		elink_cb_notify_link_changed(cb);
14999 #endif // EDEBUG
15000 
15001 	return 1;
15002 }
15003 
15004 /******************************************************************************
15005 * Description:
15006 *	This function checks for half opened connection change indication.
15007 *	When such change occurs, it calls the elink_analyze_link_error
15008 *	to check if Remote Fault is set or cleared. Reception of remote fault
15009 *	status message in the MAC indicates that the peer's MAC has detected
15010 *	a fault, for example, due to break in the TX side of fiber.
15011 *
15012 ******************************************************************************/
15013 #ifdef BNX2X_ADD /* BNX2X_ADD */
15014 static
15015 #endif
15016 elink_status_t elink_check_half_open_conn(struct elink_params *params,
15017 				struct elink_vars *vars,
15018 				u8 notify)
15019 {
15020 	struct elink_dev *cb = params->cb;
15021 	u32 lss_status = 0;
15022 	u32 mac_base;
15023 	/* In case link status is physically up @ 10G do */
15024 	if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
15025 	    (REG_RD(cb, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
15026 		return ELINK_STATUS_OK;
15027 
15028 	if (CHIP_IS_E3(params->chip_id) &&
15029 	    (REG_RD(cb, MISC_REG_RESET_REG_2) &
15030 	      (MISC_REGISTERS_RESET_REG_2_XMAC))) {
15031 		/* Check E3 XMAC */
15032 		/* Note that link speed cannot be queried here, since it may be
15033 		 * zero while link is down. In case UMAC is active, LSS will
15034 		 * simply not be set
15035 		 */
15036 		mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
15037 
15038 		/* Clear stick bits (Requires rising edge) */
15039 		REG_WR(cb, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
15040 		REG_WR(cb, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
15041 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
15042 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
15043 		if (REG_RD(cb, mac_base + XMAC_REG_RX_LSS_STATUS))
15044 			lss_status = 1;
15045 
15046 		elink_analyze_link_error(params, vars, lss_status,
15047 					 PHY_HALF_OPEN_CONN_FLAG,
15048 					 LINK_STATUS_NONE, notify);
15049 	} else if (REG_RD(cb, MISC_REG_RESET_REG_2) &
15050 		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
15051 		/* Check E1X / E2 BMAC */
15052 		u32 lss_status_reg;
15053 		u32 wb_data[2];
15054 		mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
15055 			NIG_REG_INGRESS_BMAC0_MEM;
15056 		/*  Read BIGMAC_REGISTER_RX_LSS_STATUS */
15057 		if (CHIP_IS_E2(params->chip_id))
15058 			lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
15059 		else
15060 			lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
15061 
15062 		REG_RD_DMAE(cb, mac_base + lss_status_reg, wb_data, 2);
15063 		lss_status = (wb_data[0] > 0);
15064 
15065 		elink_analyze_link_error(params, vars, lss_status,
15066 					 PHY_HALF_OPEN_CONN_FLAG,
15067 					 LINK_STATUS_NONE, notify);
15068 	}
15069 	return ELINK_STATUS_OK;
15070 }
15071 #ifdef ELINK_ENHANCEMENTS
15072 static void elink_sfp_tx_fault_detection(struct elink_phy *phy,
15073 					 struct elink_params *params,
15074 					 struct elink_vars *vars)
15075 {
15076 	struct elink_dev *cb = params->cb;
15077 	u32 cfg_pin, value = 0;
15078 	u8 led_change, port = params->port;
15079 
15080 	/* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
15081 	cfg_pin = (REG_RD(cb, params->shmem_base + OFFSETOF(struct shmem_region,
15082 			  dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
15083 		   PORT_HW_CFG_E3_TX_FAULT_MASK) >>
15084 		  PORT_HW_CFG_E3_TX_FAULT_SHIFT;
15085 
15086 	if (elink_get_cfg_pin(cb, cfg_pin, &value)) {
15087 		ELINK_DEBUG_P1(cb, "Failed to read pin 0x%02x\n", cfg_pin);
15088 		return;
15089 	}
15090 
15091 	led_change = elink_analyze_link_error(params, vars, value,
15092 					      PHY_SFP_TX_FAULT_FLAG,
15093 					      LINK_STATUS_SFP_TX_FAULT, 1);
15094 
15095 	if (led_change) {
15096 		/* Change TX_Fault led, set link status for further syncs */
15097 		u8 led_mode;
15098 
15099 		if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
15100 			led_mode = MISC_REGISTERS_GPIO_HIGH;
15101 			vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
15102 		} else {
15103 			led_mode = MISC_REGISTERS_GPIO_LOW;
15104 			vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
15105 		}
15106 
15107 		/* If module is unapproved, led should be on regardless */
15108 		if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED)) {
15109 			ELINK_DEBUG_P1(cb, "Change TX_Fault LED: ->%x\n",
15110 			   led_mode);
15111 			elink_set_e3_module_fault_led(params, led_mode);
15112 		}
15113 	}
15114 }
15115 #endif
15116 #ifndef EXCLUDE_WARPCORE
15117 static void elink_kr2_recovery(struct elink_params *params,
15118 			       struct elink_vars *vars,
15119 			       struct elink_phy *phy)
15120 {
15121 #ifdef ELINK_DEBUG
15122 	struct elink_dev *cb = params->cb;
15123 	ELINK_DEBUG_P0(cb, "KR2 recovery\n");
15124 #endif // ELINK_DEBUG
15125 	elink_warpcore_enable_AN_KR2(phy, params, vars);
15126 	elink_warpcore_restart_AN_KR(phy, params);
15127 }
15128 
15129 static void elink_check_kr2_wa(struct elink_params *params,
15130 			       struct elink_vars *vars,
15131 			       struct elink_phy *phy)
15132 {
15133 	struct elink_dev *cb = params->cb;
15134 	u16 base_page, next_page, not_kr2_device, lane;
15135 	int sigdet;
15136 
15137 	/* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
15138 	 * Since some switches tend to reinit the AN process and clear the
15139 	 * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
15140 	 * and recovered many times
15141 	 */
15142 	if (vars->check_kr2_recovery_cnt > 0) {
15143 		vars->check_kr2_recovery_cnt--;
15144 		return;
15145 	}
15146 
15147 	sigdet = elink_warpcore_get_sigdet(phy, params);
15148 	if (!sigdet) {
15149 		if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
15150 			elink_kr2_recovery(params, vars, phy);
15151 			ELINK_DEBUG_P0(cb, "No sigdet\n");
15152 		}
15153 		return;
15154 	}
15155 
15156 	lane = elink_get_warpcore_lane(phy, params);
15157 	CL22_WR_OVER_CL45(cb, phy, MDIO_REG_BANK_AER_BLOCK,
15158 			  MDIO_AER_BLOCK_AER_REG, lane);
15159 	elink_cl45_read(cb, phy, MDIO_AN_DEVAD,
15160 			MDIO_AN_REG_LP_AUTO_NEG, &base_page);
15161 	elink_cl45_read(cb, phy, MDIO_AN_DEVAD,
15162 			MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
15163 	elink_set_aer_mmd(params, phy);
15164 
15165 	/* CL73 has not begun yet */
15166 	if (base_page == 0) {
15167 		if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
15168 			elink_kr2_recovery(params, vars, phy);
15169 			ELINK_DEBUG_P0(cb, "No BP\n");
15170 		}
15171 		return;
15172 	}
15173 
15174 	/* In case NP bit is not set in the BasePage, or it is set,
15175 	 * but only KX is advertised, declare this link partner as non-KR2
15176 	 * device.
15177 	 */
15178 	not_kr2_device = (((base_page & 0x8000) == 0) ||
15179 			  (((base_page & 0x8000) &&
15180 			    ((next_page & 0xe0) == 0x20))));
15181 
15182 	/* In case KR2 is already disabled, check if we need to re-enable it */
15183 	if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
15184 		if (!not_kr2_device) {
15185 			ELINK_DEBUG_P2(cb, "BP=0x%x, NP=0x%x\n", base_page,
15186 			   next_page);
15187 			elink_kr2_recovery(params, vars, phy);
15188 		}
15189 		return;
15190 	}
15191 	/* KR2 is enabled, but not KR2 device */
15192 	if (not_kr2_device) {
15193 		/* Disable KR2 on both lanes */
15194 		ELINK_DEBUG_P2(cb, "BP=0x%x, NP=0x%x\n", base_page, next_page);
15195 		elink_disable_kr2(params, vars, phy);
15196 		/* Restart AN on leading lane */
15197 		elink_warpcore_restart_AN_KR(phy, params);
15198 		return;
15199 	}
15200 }
15201 #endif
15202 
15203 void elink_period_func(struct elink_params *params, struct elink_vars *vars)
15204 {
15205 	u16 phy_idx;
15206 #if defined(ELINK_DEBUG) || defined(ELINK_ENHANCEMENTS)
15207 	struct elink_dev *cb = params->cb;
15208 #endif
15209 	for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
15210 		if (params->phy[phy_idx].flags & ELINK_FLAGS_TX_ERROR_CHECK) {
15211 			elink_set_aer_mmd(params, &params->phy[phy_idx]);
15212 			if (elink_check_half_open_conn(params, vars, 1) !=
15213 			    ELINK_STATUS_OK)
15214 				ELINK_DEBUG_P0(cb, "Fault detection failed\n");
15215 			break;
15216 		}
15217 	}
15218 
15219 #ifndef EXCLUDE_WARPCORE
15220 	if (CHIP_IS_E3(params->chip_id)) {
15221 		struct elink_phy *phy = &params->phy[ELINK_INT_PHY];
15222 		elink_set_aer_mmd(params, phy);
15223 		if ((phy->supported & ELINK_SUPPORTED_20000baseKR2_Full) &&
15224 		    (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
15225 			elink_check_kr2_wa(params, vars, phy);
15226 #ifdef ELINK_AUX_POWER
15227 		if ((phy->flags & ELINK_FLAGS_SFP_MODULE_PLUGGED_IN_WC) == 0) {
15228 			if (elink_is_sfp_module_plugged(phy, params)) {
15229 				phy->flags |=
15230 					ELINK_FLAGS_SFP_MODULE_PLUGGED_IN_WC;
15231 				elink_sfp_module_detection(phy, params);
15232 			}
15233 		} else {
15234 			if (!elink_is_sfp_module_plugged(phy, params)) {
15235 				elink_sfp_set_transmitter(params, phy, 1);
15236 				phy->flags &=
15237 					~ELINK_FLAGS_SFP_MODULE_PLUGGED_IN_WC;
15238 			}
15239 		}
15240 #endif // ELINK_AUX_POWER
15241 		elink_check_over_curr(params, vars);
15242 #ifdef ELINK_ENHANCEMENTS
15243 		if (vars->rx_tx_asic_rst)
15244 			elink_warpcore_config_runtime(phy, params, vars);
15245 
15246 		if ((REG_RD(cb, params->shmem_base +
15247 			    OFFSETOF(struct shmem_region, dev_info.
15248 				port_hw_config[params->port].default_cfg))
15249 		    & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
15250 		    PORT_HW_CFG_NET_SERDES_IF_SFI) {
15251 			if (elink_is_sfp_module_plugged(phy, params)) {
15252 				elink_sfp_tx_fault_detection(phy, params, vars);
15253 			} else if (vars->link_status &
15254 				LINK_STATUS_SFP_TX_FAULT) {
15255 				/* Clean trail, interrupt corrects the leds */
15256 				vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
15257 				vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
15258 				/* Update link status in the shared memory */
15259 				elink_update_mng(params, vars->link_status);
15260 			}
15261 		}
15262 #endif // ELINK_ENHANCEMENTS
15263 	}
15264 #endif /* EXCLUDE_WARPCORE */
15265 }
15266 
15267 #ifdef ELINK_ENHANCEMENTS
15268 u8 elink_fan_failure_det_req(struct elink_dev *cb,
15269 			     u32 shmem_base,
15270 			     u32 shmem2_base,
15271 			     u8 port)
15272 {
15273 	u8 phy_index, fan_failure_det_req = 0;
15274 	struct elink_phy phy;
15275 	for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
15276 	      phy_index++) {
15277 		if (elink_populate_phy(cb, phy_index, shmem_base, shmem2_base,
15278 				       port, &phy)
15279 		    != ELINK_STATUS_OK) {
15280 			ELINK_DEBUG_P0(cb, "populate phy failed\n");
15281 			return 0;
15282 		}
15283 		fan_failure_det_req |= (phy.flags &
15284 					ELINK_FLAGS_FAN_FAILURE_DET_REQ);
15285 	}
15286 	return fan_failure_det_req;
15287 }
15288 #endif // ELINK_ENHANCEMENTS
15289 #ifdef ELINK_AUX_POWER
15290 void elink_enable_pmd_tx(struct elink_params *params)
15291 {
15292 	u8 phy_index;
15293 	elink_set_mdio_emac_per_phy(params->cb, params);
15294 
15295 	for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
15296 	      phy_index++) {
15297 		switch (params->phy[phy_index].type) {
15298 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
15299 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
15300 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
15301 			elink_cl45_write(params->cb, &params->phy[phy_index],
15302 					 MDIO_PMA_DEVAD,
15303 					 MDIO_PMA_REG_TX_DISABLE, 0);
15304 		default:
15305 			break;
15306 		}
15307 	}
15308 }
15309 #endif // ELINK_AUX_POWER
15310 
15311 void elink_hw_reset_phy(struct elink_params *params)
15312 {
15313 	u8 phy_index;
15314 	struct elink_dev *cb = params->cb;
15315 	elink_update_mng(params, 0);
15316 	elink_bits_dis(cb, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
15317 		       (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
15318 			ELINK_NIG_MASK_XGXS0_LINK10G |
15319 			ELINK_NIG_MASK_SERDES0_LINK_STATUS |
15320 			ELINK_NIG_MASK_MI_INT));
15321 
15322 	for (phy_index = ELINK_INT_PHY; phy_index < ELINK_MAX_PHYS;
15323 	      phy_index++) {
15324 		if (params->phy[phy_index].hw_reset) {
15325 			params->phy[phy_index].hw_reset(
15326 				&params->phy[phy_index],
15327 				params);
15328 			params->phy[phy_index] = phy_null;
15329 		}
15330 	}
15331 }
15332 
15333 #ifdef ELINK_ENHANCEMENTS
15334 void elink_init_mod_abs_int(struct elink_dev *cb, struct elink_vars *vars,
15335 			    u32 chip_id, u32 shmem_base, u32 shmem2_base,
15336 			    u8 port)
15337 {
15338 	u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
15339 	u32 val;
15340 	u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
15341 	if (CHIP_IS_E3(chip_id)) {
15342 		if (elink_get_mod_abs_int_cfg(cb, chip_id,
15343 					      shmem_base,
15344 					      port,
15345 					      &gpio_num,
15346 					      &gpio_port) != ELINK_STATUS_OK)
15347 			return;
15348 	} else {
15349 		struct elink_phy phy;
15350 		for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
15351 		      phy_index++) {
15352 			if (elink_populate_phy(cb, phy_index, shmem_base,
15353 					       shmem2_base, port, &phy)
15354 			    != ELINK_STATUS_OK) {
15355 				ELINK_DEBUG_P0(cb, "populate phy failed\n");
15356 				return;
15357 			}
15358 			if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
15359 				gpio_num = MISC_REGISTERS_GPIO_3;
15360 				gpio_port = port;
15361 				break;
15362 			}
15363 		}
15364 	}
15365 
15366 	if (gpio_num == 0xff)
15367 		return;
15368 
15369 	/* Set GPIO3 to trigger SFP+ module insertion/removal */
15370 	ELINK_SET_GPIO(cb, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
15371 
15372 	swap_val = REG_RD(cb, NIG_REG_PORT_SWAP);
15373 	swap_override = REG_RD(cb, NIG_REG_STRAP_OVERRIDE);
15374 	gpio_port ^= (swap_val && swap_override);
15375 
15376 	vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
15377 		(gpio_num + (gpio_port << 2));
15378 
15379 	sync_offset = shmem_base +
15380 		OFFSETOF(struct shmem_region,
15381 			 dev_info.port_hw_config[port].aeu_int_mask);
15382 	REG_WR(cb, sync_offset, vars->aeu_int_mask);
15383 
15384 	ELINK_DEBUG_P3(cb, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
15385 		       gpio_num, gpio_port, vars->aeu_int_mask);
15386 
15387 	if (port == 0)
15388 		offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
15389 	else
15390 		offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
15391 
15392 	/* Open appropriate AEU for interrupts */
15393 	aeu_mask = REG_RD(cb, offset);
15394 	aeu_mask |= vars->aeu_int_mask;
15395 	REG_WR(cb, offset, aeu_mask);
15396 
15397 	/* Enable the GPIO to trigger interrupt */
15398 	val = REG_RD(cb, MISC_REG_GPIO_EVENT_EN);
15399 	val |= 1 << (gpio_num + (gpio_port << 2));
15400 	REG_WR(cb, MISC_REG_GPIO_EVENT_EN, val);
15401 }
15402 #endif // ELINK_ENHANCEMENTS
15403 #endif // EXCLUDE_NON_COMMON_INIT
15404 
15405 #ifdef ELINK_AUX_POWER
15406 void elink_adjust_phy_func_ptr(struct elink_params *params)
15407 {
15408 	u32 phy_idx;
15409 	struct elink_phy phy, *cur_phy;
15410 	for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
15411 		cur_phy = &params->phy[phy_idx];
15412 		/* Select the phy type */
15413 		switch (cur_phy->type) {
15414 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
15415 #ifndef EXCLUDE_WARPCORE
15416 			phy = phy_warpcore;
15417 #else
15418 			phy = phy_xgxs;
15419 #endif
15420 			break;
15421 #ifndef EXCLUDE_BCM8727_BCM8073
15422 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
15423 			phy = phy_8073;
15424 			break;
15425 #endif
15426 #ifndef EXCLUDE_BCM8705
15427 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
15428 			phy = phy_8705;
15429 			break;
15430 #endif
15431 #ifndef EXCLUDE_BCM87x6
15432 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
15433 			phy = phy_8706;
15434 			break;
15435 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
15436 			phy = phy_8726;
15437 			break;
15438 #endif /* EXCLUDE_BCM87x6 */
15439 #ifndef EXCLUDE_BCM8727_BCM8073
15440 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
15441 			phy = phy_8727;
15442 			break;
15443 #endif
15444 #ifndef EXCLUDE_BCM8481
15445 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
15446 			phy = phy_8481;
15447 			break;
15448 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
15449 			phy = phy_84823;
15450 			break;
15451 #endif
15452 #ifndef EXCLUDE_BCM84833
15453 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
15454 			phy = phy_84833;
15455 			break;
15456 #endif
15457 #ifndef EXCLUDE_BCM54618SE
15458 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
15459 			phy = phy_54618se;
15460 			break;
15461 #endif
15462 #ifndef EXCLUDE_SFX7101
15463 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
15464 			phy = phy_7101;
15465 			break;
15466 #endif
15467 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
15468 			phy = phy_null;
15469 			return;
15470 		default:
15471 			phy = phy_null;
15472 			continue;
15473 		}
15474 		cur_phy->config_init = phy.config_init;
15475 		cur_phy->read_status = phy.read_status;
15476 		cur_phy->link_reset = phy.link_reset;
15477 		cur_phy->config_loopback = phy.config_loopback;
15478 		cur_phy->format_fw_ver = phy.format_fw_ver;
15479 		cur_phy->hw_reset = phy.hw_reset;
15480 		cur_phy->set_link_led = phy.set_link_led;
15481 		cur_phy->phy_specific_func = phy.phy_specific_func;
15482 	}
15483 }
15484 
15485 #ifndef EXCLUDE_COMMON_INIT
15486 elink_status_t elink_get_phy_temperature(struct elink_params *params,
15487 			      u32 *temp_reading, u8 path, u8 port)
15488 {
15489 	/* The temperature returned from this function is expected
15490 	 * to be degree C. Any conversion from hardware value to
15491 	 * degree C will be performed here.
15492 	 */
15493 
15494 	struct elink_phy *phy;
15495 	u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
15496 	elink_status_t rc;
15497 	u8 idx;
15498 
15499 	for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++)
15500 		cmd_args[idx] = 0;
15501 	for (idx = 0; idx < params->num_phys; idx++) {
15502 		phy = &params->phy[idx];
15503 		if (phy->flags & ELINK_FLAGS_TEMPERATURE) {
15504 			rc = elink_84833_cmd_hdlr(phy, params,
15505 						PHY84833_CMD_GET_CURRENT_TEMP,
15506 						cmd_args,
15507 						PHY84833_CMDHDLR_MAX_ARGS);
15508 			if ((path == 0) && (cmd_args[1] == 0))
15509 				cmd_args[1] = cmd_args[0] + 5;
15510 			if (cmd_args[0] > cmd_args[1])
15511 				*temp_reading = (u32)cmd_args[0];
15512 			else
15513 				*temp_reading = (u32)cmd_args[1];
15514 
15515 			return rc;
15516 		}
15517 	}
15518 
15519 	return ELINK_STATUS_ERROR;
15520 }
15521 #ifndef EXCLUDE_WARPCORE
15522 void set_cfg_pin(struct elink_dev *cb, u32 pin_cfg, u32 val)
15523 {
15524 	elink_set_cfg_pin(cb, pin_cfg, val);
15525 }
15526 int get_cfg_pin(struct elink_dev *cb, u32 pin_cfg, u32 *val)
15527 {
15528 	return elink_get_cfg_pin(cb, pin_cfg, val);
15529 }
15530 
15531 void elink_force_link(struct elink_params *params, int enable) {
15532 	struct elink_phy *phy = &params->phy[ELINK_INT_PHY];
15533 	struct elink_dev *cb = params->cb;
15534 	u8 lane = elink_get_warpcore_lane(phy, params);
15535 	u16 val;
15536 
15537 	/* Global register - operate on lane 0 */
15538 	CL22_WR_OVER_CL45(cb, phy, MDIO_REG_BANK_AER_BLOCK,
15539 			  MDIO_AER_BLOCK_AER_REG, 0);
15540 
15541 	elink_cl45_read(cb, phy, MDIO_PMA_DEVAD,
15542 			MDIO_WC_REG_XGXSBLK2_LANE_RESET, &val);
15543 	if (enable)
15544 		val &= ~(0x11 << lane);
15545 	else
15546 		val |= (0x11 << lane);
15547 	elink_cl45_write(cb, phy, MDIO_PMA_DEVAD,
15548 			 MDIO_WC_REG_XGXSBLK2_LANE_RESET,
15549 			 val);
15550 
15551 	/* Restore AER */
15552 	elink_set_aer_mmd(params, phy);
15553 }
15554 
15555 #endif /* EXCLUDE_WARPCORE */
15556 #endif /* #ifndef EXCLUDE_COMMON_INIT */
15557 #endif
15558