1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright (c) 2012 Gary Mills
23  *
24  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
25  * Use is subject to license terms.
26  */
27 
28 #ifndef _ATGE_L1E_REG_H
29 #define	_ATGE_L1E_REG_H
30 
31 #ifdef __cplusplus
32 	extern "C" {
33 #endif
34 
35 /*
36  * Number of RX Rings (or pages) we use.
37  */
38 #define	L1E_RX_PAGES		2
39 
40 #pragma	pack(1)
41 typedef	struct	rx_rs	{
42 	uint32_t	seqno;
43 	uint32_t	length;
44 	uint32_t	flags;
45 	uint32_t	vtags;
46 } rx_rs_t;
47 
48 typedef	struct	rx_cmb {
49 	uint32_t	cmb[L1E_RX_PAGES];
50 } rx_cmb_t;
51 #pragma	pack()
52 
53 /* Master configuration */
54 #define	L1E_MASTER_CFG			0x1400
55 #define	L1E_MASTER_RESET		0x00000001
56 #define	L1E_MASTER_MTIMER_ENB		0x00000002
57 #define	L1E_MASTER_IM_TX_TIMER_ENB	0x00000004
58 #define	L1E_MASTER_MANUAL_INT_ENB	0x00000008
59 #define	L1E_MASTER_IM_RX_TIMER_ENB	0x00000020
60 #define	L1E_MASTER_CHIP_REV_MASK	0x00FF0000
61 #define	L1E_MASTER_CHIP_ID_MASK		0xFF000000
62 #define	L1E_MASTER_CHIP_REV_SHIFT	16
63 #define	L1E_MASTER_CHIP_ID_SHIFT	24
64 
65 
66 /*
67  * DMA CFG registers (L1E specific).
68  */
69 #define	DMA_CFG_RD_REQ_PRI		0x00000400
70 #define	DMA_CFG_TXCMB_ENB		0x00100000
71 #define	DMA_CFG_RD_BURST_MASK		0x07
72 #define	DMA_CFG_RD_BURST_SHIFT		4
73 #define	DMA_CFG_WR_BURST_MASK		0x07
74 #define	DMA_CFG_WR_BURST_SHIFT		7
75 
76 #define	L1E_TX_RING_CNT_MIN		32
77 #define	L1E_TX_RING_CNT_MAX		1020
78 #define	L1E_TX_RING_ALIGN		8
79 #define	L1E_RX_PAGE_ALIGN		32
80 #define	L1E_CMB_ALIGN			32
81 #define	L1E_MAX_FRAMELEN		ETHERMAX
82 
83 #define	L1E_RX_PAGE_SZ_MIN		(8 * 1024)
84 #define	L1E_RX_PAGE_SZ_MAX		(1024 * 1024)
85 #define	L1E_RX_FRAMES_PAGE		128
86 #define	L1E_RX_PAGE_SZ	\
87 	(ROUNDUP(L1E_MAX_FRAMELEN, L1E_RX_PAGE_ALIGN) * L1E_RX_FRAMES_PAGE)
88 #define	L1E_TX_CMB_SZ			(sizeof (uint32_t))
89 #define	L1E_RX_CMB_SZ			(sizeof (uint32_t))
90 
91 #define	L1E_PROC_MAX	\
92 	((L1E_RX_PAGE_SZ * L1E_RX_PAGES) / ETHERMAX)
93 #define	L1E_PROC_DEFAULT		(L1E_PROC_MAX / 4)
94 
95 #define	L1E_INTRS                                               \
96 	(INTR_DMA_RD_TO_RST | INTR_DMA_WR_TO_RST |              \
97 	INTR_RX_PKT | INTR_TX_PKT | INTR_RX_FIFO_OFLOW |        \
98 	INTR_TX_FIFO_UNDERRUN | INTR_SMB)
99 
100 #define	L1E_RSS_IDT_TABLE0		0x1560
101 #define	L1E_RSS_CPU			0x157C
102 
103 #define	L1E_SRAM_RX_FIFO_LEN		0x1524
104 
105 #define	L1E_PHY_STATUS			0x1418
106 #define	PHY_STATUS_100M			0x00020000
107 
108 #define	L1E_SMB_STAT_TIMER		0x15C4
109 
110 #define	GPHY_CTRL_EXT_RESET		0x0001
111 #define	GPHY_CTRL_PIPE_MOD		0x0002
112 #define	GPHY_CTRL_BERT_START		0x0010
113 #define	GPHY_CTRL_GL1E_25M_ENB		0x0020
114 #define	GPHY_CTRL_LPW_EXIT		0x0040
115 #define	GPHY_CTRL_PHY_IDDQ		0x0080
116 #define	GPHY_CTRL_PHY_IDDQ_DIS		0x0100
117 #define	GPHY_CTRL_PCLK_SEL_DIS		0x0200
118 #define	GPHY_CTRL_HIB_EN		0x0400
119 #define	GPHY_CTRL_HIB_PULSE		0x0800
120 #define	GPHY_CTRL_SEL_ANA_RESET		0x1000
121 #define	GPHY_CTRL_PHY_PLL_ON		0x2000
122 #define	GPHY_CTRL_PWDOWN_HW		0x4000
123 
124 #define	RXF_VALID			0x01
125 
126 #define	L1E_RXF0_PAGE0			0x15F4
127 #define	L1E_RXF0_PAGE1			0x15F5
128 
129 #define	L1E_RXF0_PAGE0_ADDR_LO		0x1544
130 #define	L1E_RXF0_PAGE1_ADDR_LO		0x1548
131 
132 #define	L1E_RXF_PAGE_SIZE		0x1558
133 
134 #define	L1E_INT_TRIG_THRESH		0x15C8
135 #define	INT_TRIG_TX_THRESH_MASK		0x0000FFFF
136 #define	INT_TRIG_RX_THRESH_MASK		0xFFFF0000
137 #define	INT_TRIG_TX_THRESH_SHIFT	0
138 #define	INT_TRIG_RX_THRESH_SHIFT	16
139 
140 #define	L1E_INT_TRIG_TIMER		0x15CC
141 #define	INT_TRIG_TX_TIMER_MASK		0x0000FFFF
142 #define	INT_TRIG_RX_TIMER_MASK		0x0000FFFF
143 #define	INT_TRIG_TX_TIMER_SHIFT		0
144 #define	INT_TRIG_RX_TIMER_SHIFT		16
145 
146 #define	TX_COALSC_PKT_1e		0x15C8  /* W: L1E */
147 #define	RX_COALSC_PKT_1e		0x15CA  /* W: L1E */
148 #define	TX_COALSC_TO_1e			0x15CC  /* W: L1E */
149 #define	RX_COALSC_TO_1e			0x15CE  /* W: L1E */
150 
151 #define	L1E_HOST_RXF0_PAGEOFF		0x1800
152 #define	L1E_TPD_CONS_IDX		0x1804
153 #define	L1E_HOST_RXF1_PAGEOFF		0x1808
154 #define	L1E_HOST_RXF2_PAGEOFF		0x180C
155 #define	L1E_HOST_RXF3_PAGEOFF		0x1810
156 #define	L1E_RXF0_CMB0_ADDR_LO		0x1820
157 #define	L1E_RXF0_CMB1_ADDR_LO		0x1824
158 #define	L1E_RXF1_CMB0_ADDR_LO		0x1828
159 #define	L1E_RXF1_CMB1_ADDR_LO		0x182C
160 #define	L1E_RXF2_CMB0_ADDR_LO		0x1830
161 #define	L1E_RXF2_CMB1_ADDR_LO		0x1834
162 #define	L1E_RXF3_CMB0_ADDR_LO		0x1838
163 #define	L1E_RXF3_CMB1_ADDR_LO		0x183C
164 #define	L1E_TX_CMB_ADDR_LO		0x1840
165 #define	L1E_SMB_ADDR_LO			0x1844
166 
167 #define	L1E_RD_SEQNO_MASK		0x0000FFFF
168 #define	L1E_RD_HASH_MASK		0xFFFF0000
169 #define	L1E_RD_SEQNO_SHIFT		0
170 #define	L1E_RD_HASH_SHIFT		16
171 #define	L1E_RX_SEQNO(x)		\
172 	(((x) & L1E_RD_SEQNO_MASK) >> L1E_RD_SEQNO_SHIFT)
173 #define	L1E_RD_CSUM_MASK		0x0000FFFF
174 #define	L1E_RD_LEN_MASK			0x3FFF0000
175 #define	L1E_RD_CPU_MASK			0xC0000000
176 #define	L1E_RD_CSUM_SHIFT		0
177 #define	L1E_RD_LEN_SHIFT		16
178 #define	L1E_RD_CPU_SHIFT		30
179 #define	L1E_RX_CSUM(x)	\
180 	(((x) & L1E_RD_CSUM_MASK) >> L1E_RD_CSUM_SHIFT)
181 #define	L1E_RX_BYTES(x)	\
182 	(((x) & L1E_RD_LEN_MASK) >> L1E_RD_LEN_SHIFT)
183 #define	L1E_RX_CPU(x)	\
184 	(((x) & L1E_RD_CPU_MASK) >> L1E_RD_CPU_SHIFT)
185 
186 #define	L1E_RD_RSS_IPV4			0x00000001
187 #define	L1E_RD_RSS_IPV4_TCP		0x00000002
188 #define	L1E_RD_RSS_IPV6			0x00000004
189 #define	L1E_RD_RSS_IPV6_TCP		0x00000008
190 #define	L1E_RD_IPV6			0x00000010
191 #define	L1E_RD_IPV4_FRAG		0x00000020
192 #define	L1E_RD_IPV4_DF			0x00000040
193 #define	L1E_RD_802_3			0x00000080
194 #define	L1E_RD_VLAN			0x00000100
195 #define	L1E_RD_ERROR			0x00000200
196 #define	L1E_RD_IPV4			0x00000400
197 #define	L1E_RD_UDP			0x00000800
198 #define	L1E_RD_TCP			0x00001000
199 #define	L1E_RD_BCAST			0x00002000
200 #define	L1E_RD_MCAST			0x00004000
201 #define	L1E_RD_PAUSE			0x00008000
202 #define	L1E_RD_CRC			0x00010000
203 #define	L1E_RD_CODE			0x00020000
204 #define	L1E_RD_DRIBBLE			0x00040000
205 #define	L1E_RD_RUNT			0x00080000
206 #define	L1E_RD_OFLOW			0x00100000
207 #define	L1E_RD_TRUNC			0x00200000
208 #define	L1E_RD_IPCSUM_NOK		0x00400000
209 #define	L1E_RD_TCP_UDPCSUM_NOK		0x00800000
210 #define	L1E_RD_LENGTH_NOK		0x01000000
211 #define	L1E_RD_DES_ADDR_FILTERED	0x02000000
212 
213 /* TX descriptor fields */
214 #define	L1E_TD_VLAN_MASK		0xFFFF0000
215 #define	L1E_TD_PKT_INT			0x00008000
216 #define	L1E_TD_DMA_INT			0x00004000
217 #define	L1E_TD_VLAN_SHIFT		16
218 #define	L1E_TX_VLAN_TAG(x)	\
219 	(((x) << 4) | ((x) >> 13) | (((x) >> 9) & 8))
220 #define	L1E_TD_BUFLEN_SHIFT		0
221 #define	L1E_TD_MSS			0xFFF80000
222 #define	L1E_TD_TSO_HDR			0x00040000
223 #define	L1E_TD_TCPHDR_LEN		0x0003C000
224 #define	L1E_TD_IPHDR_LEN		0x00003C00
225 #define	L1E_TD_IPV6HDR_LEN2		0x00003C00
226 #define	L1E_TD_LLC_SNAP			0x00000200
227 #define	L1E_TD_VLAN_TAGGED		0x00000100
228 #define	L1E_TD_UDPCSUM			0x00000080
229 #define	L1E_TD_TCPCSUM			0x00000040
230 #define	L1E_TD_IPCSUM			0x00000020
231 #define	L1E_TD_IPV6HDR_LEN1		0x000000E0
232 #define	L1E_TD_TSO			0x00000010
233 #define	L1E_TD_CXSUM			0x00000008
234 #define	L1E_TD_INSERT_VLAN_TAG		0x00000004
235 #define	L1E_TD_IPV6			0x00000002
236 
237 #define	L1E_TD_CSUM_PLOADOFFSET		0x00FF0000
238 #define	L1E_TD_CSUM_XSUMOFFSET		0xFF000000
239 #define	L1E_TD_CSUM_XSUMOFFSET_SHIFT	24
240 #define	L1E_TD_CSUM_PLOADOFFSET_SHIFT	16
241 #define	L1E_TD_MSS_SHIFT		19
242 #define	L1E_TD_TCPHDR_LEN_SHIFT		14
243 #define	L1E_TD_IPHDR_LEN_SHIFT		10
244 
245 #define	L1E_JUMBO_FRAMELEN		8132
246 
247 #define	L1E_TX_JUMBO_THRESH		0x1584
248 #define	TX_JUMBO_THRESH_MASK		0x000007FF
249 #define	TX_JUMBO_THRESH_SHIFT		0
250 #define	TX_JUMBO_THRESH_UNIT		8
251 #define	TX_JUMBO_THRESH_UNIT_SHIFT	3
252 
253 /*
254  * Statistics counters collected by the MAC.
255  * AR81xx requires register access to get MAC statistics
256  * and the format of statistics seems to be the same of L1
257  * except for tx_abort field in TX stats. So keep it separate for simplicity.
258  */
259 #define	L1E_RX_MIB_BASE			0x1700
260 #define	L1E_TX_MIB_BASE			0x1760
261 
262 #pragma	pack(1)
263 typedef	struct smb {
264 	/* Rx stats. */
265 	uint32_t rx_frames;
266 	uint32_t rx_bcast_frames;
267 	uint32_t rx_mcast_frames;
268 	uint32_t rx_pause_frames;
269 	uint32_t rx_control_frames;
270 	uint32_t rx_crcerrs;
271 	uint32_t rx_lenerrs;
272 	uint32_t rx_bytes;
273 	uint32_t rx_runts;
274 	uint32_t rx_fragments;
275 	uint32_t rx_pkts_64;
276 	uint32_t rx_pkts_65_127;
277 	uint32_t rx_pkts_128_255;
278 	uint32_t rx_pkts_256_511;
279 	uint32_t rx_pkts_512_1023;
280 	uint32_t rx_pkts_1024_1518;
281 	uint32_t rx_pkts_1519_max;
282 	uint32_t rx_pkts_truncated;
283 	uint32_t rx_fifo_oflows;
284 	uint32_t rx_rrs_errs;
285 	uint32_t rx_alignerrs;
286 	uint32_t rx_bcast_bytes;
287 	uint32_t rx_mcast_bytes;
288 	uint32_t rx_pkts_filtered;
289 	/* Tx stats. */
290 	uint32_t tx_frames;
291 	uint32_t tx_bcast_frames;
292 	uint32_t tx_mcast_frames;
293 	uint32_t tx_pause_frames;
294 	uint32_t tx_excess_defer;
295 	uint32_t tx_control_frames;
296 	uint32_t tx_deferred;
297 	uint32_t tx_bytes;
298 	uint32_t tx_pkts_64;
299 	uint32_t tx_pkts_65_127;
300 	uint32_t tx_pkts_128_255;
301 	uint32_t tx_pkts_256_511;
302 	uint32_t tx_pkts_512_1023;
303 	uint32_t tx_pkts_1024_1518;
304 	uint32_t tx_pkts_1519_max;
305 	uint32_t tx_single_colls;
306 	uint32_t tx_multi_colls;
307 	uint32_t tx_late_colls;
308 	uint32_t tx_excess_colls;
309 	uint32_t tx_abort;
310 	uint32_t tx_underrun;
311 	uint32_t tx_desc_underrun;
312 	uint32_t tx_lenerrs;
313 	uint32_t tx_pkts_truncated;
314 	uint32_t tx_bcast_bytes;
315 	uint32_t tx_mcast_bytes;
316 } atge_l1e_smb_t;
317 #pragma	pack()
318 
319 #ifdef __cplusplus
320 }
321 #endif
322 
323 #endif	/* _ATGE_L1E_REG_H */
324