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 /*
23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include <sys/types.h>
28 #include <sys/cmn_err.h>
29 #include <sys/errno.h>
30 #include <sys/systm.h>
31 #include <sys/sunddi.h>
32 #include <sys/pci_cfgspace.h>
33 #include <sys/pci.h>
34 #include <sys/pcie.h>
35 #include <vm/seg_kmem.h>
36 #include <sys/mman.h>
37 #include <sys/cpu_module.h>
38 #include "nb5000.h"
39 
40 static ddi_acc_handle_t dev_16_hdl[NB_PCI_NFUNC];
41 static ddi_acc_handle_t dev_17_hdl[NB_PCI_NFUNC];
42 static ddi_acc_handle_t dev_21_hdl;
43 static ddi_acc_handle_t dev_22_hdl;
44 static ddi_acc_handle_t dev_pci_hdl[NB_PCI_DEV];
45 
46 void
nb_pci_cfg_setup(dev_info_t * dip)47 nb_pci_cfg_setup(dev_info_t *dip)
48 {
49 	pci_regspec_t reg;
50 	int i;
51 
52 	reg.pci_phys_hi = 16 << PCI_REG_DEV_SHIFT; /* Bus=0, Dev=16, Func=0 */
53 	reg.pci_phys_mid = 0;
54 	reg.pci_phys_low = 0;
55 	reg.pci_size_hi = 0;
56 	reg.pci_size_low = PCIE_CONF_HDR_SIZE; /* overriden in pciex */
57 
58 	for (i = 0; i < NB_PCI_NFUNC; i++) {
59 		if (ddi_prop_update_int_array(DDI_MAJOR_T_UNKNOWN, dip, "reg",
60 		    (int *)&reg, sizeof (reg)/sizeof (int)) != DDI_PROP_SUCCESS)
61 		cmn_err(CE_WARN,
62 		    "nb_pci_cfg_setup: cannot create reg property");
63 
64 		if (pci_config_setup(dip, &dev_16_hdl[i]) != DDI_SUCCESS)
65 			cmn_err(CE_WARN,
66 			    "intel_nb5000: pci_config_setup failed");
67 		reg.pci_phys_hi += 1 << PCI_REG_FUNC_SHIFT;
68 	}
69 	reg.pci_phys_hi = 17 << PCI_REG_DEV_SHIFT; /* Bus=0, Dev=17, Func=0 */
70 	for (i = 0; i < NB_PCI_NFUNC; i++) {
71 		if (ddi_prop_update_int_array(DDI_MAJOR_T_UNKNOWN, dip, "reg",
72 		    (int *)&reg, sizeof (reg)/sizeof (int)) != DDI_PROP_SUCCESS)
73 		cmn_err(CE_WARN,
74 		    "nb_pci_cfg_setup: cannot create reg property");
75 
76 		if (pci_config_setup(dip, &dev_17_hdl[i]) != DDI_SUCCESS)
77 			cmn_err(CE_WARN,
78 			    "intel_nb5000: pci_config_setup failed");
79 		reg.pci_phys_hi += 1 << PCI_REG_FUNC_SHIFT;
80 	}
81 	reg.pci_phys_hi = 21 << PCI_REG_DEV_SHIFT; /* Bus=0, Dev=21, Func=0 */
82 	if (ddi_prop_update_int_array(DDI_MAJOR_T_UNKNOWN, dip, "reg",
83 	    (int *)&reg, sizeof (reg)/sizeof (int)) != DDI_PROP_SUCCESS)
84 		cmn_err(CE_WARN,
85 		    "nb_pci_cfg_setup: cannot create reg property");
86 	if (pci_config_setup(dip, &dev_21_hdl) != DDI_SUCCESS)
87 		cmn_err(CE_WARN, "intel_nb5000: pci_config_setup failed");
88 	reg.pci_phys_hi = 22 << PCI_REG_DEV_SHIFT; /* Bus=0, Dev=22, Func=0 */
89 	if (ddi_prop_update_int_array(DDI_MAJOR_T_UNKNOWN, dip, "reg",
90 	    (int *)&reg, sizeof (reg)/sizeof (int)) != DDI_PROP_SUCCESS)
91 		cmn_err(CE_WARN,
92 		    "nb_pci_cfg_setup: cannot create reg property");
93 	if (pci_config_setup(dip, &dev_22_hdl) != DDI_SUCCESS)
94 		cmn_err(CE_WARN, "intel_nb5000: pci_config_setup failed");
95 	reg.pci_phys_hi = 0;		/* Bus=0, Dev=0, Func=0 */
96 	for (i = 0; i < NB_PCI_DEV; i++) {
97 		if (ddi_prop_update_int_array(DDI_MAJOR_T_UNKNOWN, dip, "reg",
98 		    (int *)&reg, sizeof (reg)/sizeof (int)) != DDI_PROP_SUCCESS)
99 		cmn_err(CE_WARN,
100 		    "nb_pci_cfg_setup: cannot create reg property");
101 
102 		if (pci_config_setup(dip, &dev_pci_hdl[i]) != DDI_SUCCESS)
103 			cmn_err(CE_WARN,
104 			    "intel_nb5000: pci_config_setup failed");
105 		reg.pci_phys_hi += 1 << PCI_REG_DEV_SHIFT;
106 	}
107 	ddi_prop_remove_all(dip);
108 }
109 
110 void
nb_pci_cfg_free()111 nb_pci_cfg_free()
112 {
113 	int i;
114 
115 	for (i = 0; i < NB_PCI_NFUNC; i++) {
116 		pci_config_teardown(&dev_16_hdl[i]);
117 	}
118 	for (i = 0; i < NB_PCI_NFUNC; i++) {
119 		pci_config_teardown(&dev_17_hdl[i]);
120 	}
121 	pci_config_teardown(&dev_21_hdl);
122 	pci_config_teardown(&dev_22_hdl);
123 	for (i = 0; i < NB_PCI_DEV; i++)
124 		pci_config_teardown(&dev_pci_hdl[i]);
125 }
126 
127 static ddi_acc_handle_t
nb_get_hdl(int bus,int dev,int func)128 nb_get_hdl(int bus, int dev, int func)
129 {
130 	ddi_acc_handle_t hdl;
131 
132 	if (bus == 0 && dev == 16 && func < NB_PCI_NFUNC) {
133 		hdl = dev_16_hdl[func];
134 	} else if (bus == 0 && dev == 17 && func < NB_PCI_NFUNC) {
135 		hdl = dev_17_hdl[func];
136 	} else if (bus == 0 && dev < NB_PCI_DEV && func == 0) {
137 		hdl = dev_pci_hdl[dev];
138 	} else if (bus == 0 && dev == 21 && func == 0) {
139 		hdl = dev_21_hdl;
140 	} else if (bus == 0 && dev == 22 && func == 0) {
141 		hdl = dev_22_hdl;
142 	} else {
143 		hdl = 0;
144 	}
145 	return (hdl);
146 }
147 
148 uint8_t
nb_pci_getb(int bus,int dev,int func,int reg,int * interpose)149 nb_pci_getb(int bus, int dev, int func, int reg, int *interpose)
150 {
151 	ddi_acc_handle_t hdl;
152 
153 	hdl = nb_get_hdl(bus, dev, func);
154 	return (cmi_pci_getb(bus, dev, func, reg, interpose, hdl));
155 }
156 
157 uint16_t
nb_pci_getw(int bus,int dev,int func,int reg,int * interpose)158 nb_pci_getw(int bus, int dev, int func, int reg, int *interpose)
159 {
160 	ddi_acc_handle_t hdl;
161 
162 	hdl = nb_get_hdl(bus, dev, func);
163 	return (cmi_pci_getw(bus, dev, func, reg, interpose, hdl));
164 }
165 
166 uint32_t
nb_pci_getl(int bus,int dev,int func,int reg,int * interpose)167 nb_pci_getl(int bus, int dev, int func, int reg, int *interpose)
168 {
169 	ddi_acc_handle_t hdl;
170 
171 	hdl = nb_get_hdl(bus, dev, func);
172 	return (cmi_pci_getl(bus, dev, func, reg, interpose, hdl));
173 }
174 
175 void
nb_pci_putb(int bus,int dev,int func,int reg,uint8_t val)176 nb_pci_putb(int bus, int dev, int func, int reg, uint8_t val)
177 {
178 	ddi_acc_handle_t hdl;
179 
180 	hdl = nb_get_hdl(bus, dev, func);
181 	cmi_pci_putb(bus, dev, func, reg, hdl, val);
182 }
183 
184 void
nb_pci_putw(int bus,int dev,int func,int reg,uint16_t val)185 nb_pci_putw(int bus, int dev, int func, int reg, uint16_t val)
186 {
187 	ddi_acc_handle_t hdl;
188 
189 	hdl = nb_get_hdl(bus, dev, func);
190 	cmi_pci_putw(bus, dev, func, reg, hdl, val);
191 }
192 
193 void
nb_pci_putl(int bus,int dev,int func,int reg,uint32_t val)194 nb_pci_putl(int bus, int dev, int func, int reg, uint32_t val)
195 {
196 	ddi_acc_handle_t hdl;
197 
198 	hdl = nb_get_hdl(bus, dev, func);
199 	cmi_pci_putl(bus, dev, func, reg, hdl, val);
200 }
201