1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/* PCI (Static) Configuration Library. PCI Configuration C code console
* printout routines that can be used to build a static PCI configuration.
*
* COPYRIGHT (c) 2010 Cobham Gaisler AB.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <rtems.h>
#include <inttypes.h>
#include <stdio.h>
#include <string.h>
#include <pci/cfg.h>
int pci_cfg_print_bus(struct pci_bus *bus);
static void get_bus_name(struct pci_bus *bus, char *buf)
{
if (bus->num == 0)
strcpy(buf, "pci_hb");
else
sprintf(buf, "bus%d", bus->num);
}
static void get_device_name(struct pci_dev *dev, char *buf)
{
char busname[64];
if (dev->flags & PCI_DEV_BRIDGE) {
get_bus_name((struct pci_bus *)dev, busname);
sprintf(buf, "%s.dev", busname);
} else {
sprintf(buf, "dev_%x_%x_%x", PCI_DEV_EXPAND(dev->busdevfun));
}
}
static void pci_cfg_print_resources(struct pci_res *resources, char *prefix)
{
struct pci_res *res;
int i;
for (i = 0; i < DEV_RES_CNT; i++) {
res = &resources[i];
if (((res->flags & PCI_RES_TYPE_MASK) == 0) ||
((res->flags & PCI_RES_FAIL) == PCI_RES_FAIL)) {
printf("%sPCIRES_EMPTY,\n", prefix);
continue;
}
printf("%s{\n", prefix);
printf("%s\t.next = NULL,\n", prefix);
printf("%s\t.size = 0x%08" PRIx32 ",\n", prefix, res->size);
printf("%s\t.boundary = 0x%08" PRIx32 ",\n", prefix, res->boundary);
printf("%s\t.flags = 0x%x,\n", prefix, res->flags);
printf("%s\t.bar = %d,\n", prefix, i);
printf("%s\t.start = 0x%08" PRIx32 ",\n", prefix, res->start);
printf("%s\t.end = 0x%08" PRIx32 ",\n", prefix, res->end);
printf("%s},\n", prefix);
}
}
static void pci_cfg_print_device(struct pci_dev *dev, char *prefix)
{
char name[32];
char buf[8];
printf("%s.resources = {\n", prefix);
strcpy(buf, prefix);
strcat(buf, "\t");
pci_cfg_print_resources(dev->resources, buf);
printf("%s},\n", prefix);
if (dev->next == NULL) {
printf("%s.next = NULL,\n", prefix);
} else {
get_device_name(dev->next, name);
printf("%s.next = &%s,\n", prefix, name);
}
if (!dev->bus) { /* Host Bridge? */
printf("%s.bus = NULL,\n", prefix);
} else {
get_bus_name(dev->bus, name);
printf("%s.bus = &%s,\n", prefix, name);
}
printf("%s.busdevfun = 0x%04x,\n", prefix, dev->busdevfun);
printf("%s.flags = 0x%x,\n", prefix, dev->flags);
printf("%s.sysirq = %d,\n", prefix, dev->sysirq);
printf("%s.vendor = 0x%04x,\n", prefix, dev->vendor);
printf("%s.device = 0x%04x,\n", prefix, dev->device);
printf("%s.subvendor = 0x%04x,\n", prefix, dev->subvendor);
printf("%s.subdevice = 0x%04x,\n", prefix, dev->subdevice);
printf("%s.classrev = 0x%08" PRIx32 ",\n", prefix, dev->classrev);
printf("%s.command = 0,\n", prefix);
}
static int pci_cfg_print_dev(struct pci_dev *dev, void *unused)
{
if (dev->flags & PCI_DEV_BRIDGE) {
pci_cfg_print_bus((struct pci_bus *)dev);
} else {
printf("\n\n/* PCI DEV at [%x:%x:%x] */\n",
PCI_DEV_EXPAND(dev->busdevfun));
printf("static struct pci_dev dev_%x_%x_%x = {\n",
PCI_DEV_EXPAND(dev->busdevfun));
pci_cfg_print_device(dev, "\t");
printf("};\n");
}
return 0;
}
int pci_cfg_print_bus(struct pci_bus *bus)
{
char name[32];
/* Print Bus */
printf("\n\n/* PCI BUS %d - Bridge at [%x:%x:%x] */\n\n",
bus->num, PCI_DEV_EXPAND(bus->dev.busdevfun));
get_bus_name(bus, name);
printf("%sstruct pci_bus %s = {\n",
bus->num == 0 ? "" : "static ", name);
printf("\t.dev = {\n");
pci_cfg_print_device(&bus->dev, "\t\t");
printf("\t},\n");
if (bus->devs == NULL) {
printf("\t.devs = NULL,\n");
} else {
get_device_name(bus->devs, name);
printf("\t.devs = &%s,\n", name);
}
printf("\t.flags = 0x%x,\n", bus->flags);
printf("\t.num = %d,\n", bus->num);
printf("\t.pri = %d,\n", bus->pri);
printf("\t.sord = %d,\n", bus->sord);
printf("};\n");
/* Print all child devices */
pci_for_each_child(bus, pci_cfg_print_dev, NULL, 0);
return 0;
}
static int pci_cfg_print_forw_dev(struct pci_dev *dev, void *unused)
{
if ((dev->flags & PCI_DEV_BRIDGE) == 0) {
printf("static struct pci_dev dev_%x_%x_%x;\n",
PCI_DEV_EXPAND(dev->busdevfun));
}
return 0;
}
void pci_cfg_print(void)
{
int i;
printf("\n\n/*** PCI Configuration ***/\n\n");
printf("#include <stdlib.h>\n");
printf("#define PCI_CFG_STATIC_LIB\n");
printf("#include <pci/cfg.h>\n\n");
printf("#define PCIRES_EMPTY {0}\n\n");
/* Forward declaration for all devices / buses */
printf("/* FORWARD BUS DECLARATIONS */\n");
for (i = 0; i < pci_bus_count(); i++) {
if (i == 0)
printf("struct pci_bus pci_hb;\n");
else
printf("static struct pci_bus bus%d;\n", i);
}
printf("\n/* FORWARD DEVICE DECLARATIONS */\n");
pci_for_each_dev(pci_cfg_print_forw_dev, NULL);
pci_cfg_print_bus(&pci_hb);
}
|
