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
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
#include <console/console.h>
#include <device/device.h>
#include <device/chip.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include "../../../northbridge/amd/amdk8/northbridge.h"
#include "chip.h"
//#include <part/mainboard.h>
//#include "lsi_scsi.c"
unsigned long initial_apicid[CONFIG_MAX_CPUS] =
{
0,1
};
#if 0
static void fixup_lsi_53c1030(struct device *pdev)
{
// uint8_t byte;
uint16_t word;
byte = 1;
pci_write_config8(pdev, 0xff, byte);
// Set the device id
// pci_write_config_word(pdev, PCI_DEVICE_ID, PCI_DEVICE_ID_LSILOGIC_53C1030);
// Set the subsytem vendor id
// pci_write_config16(pdev, PCI_SUBSYSTEM_VENDOR_ID, PCI_VENDOR_ID_TYAN);
word = 0x10f1;
pci_write_config16(pdev, PCI_SUBSYSTEM_VENDOR_ID, word);
// Set the subsytem id
word = 0x2881;
pci_write_config16(pdev, PCI_SUBSYSTEM_ID, word);
// Disable writes to the device id
byte = 0;
pci_write_config8(pdev, 0xff, byte);
// lsi_scsi_init(pdev);
}
#endif
//extern static void lsi_scsi_init(struct device *dev);
#if 0
static void print_pci_regs(struct device *dev)
{
uint8_t byte;
int i;
for(i=0;i<256;i++) {
byte = pci_read_config8(dev, i);
if((i%16)==0) printk_debug("\n%02x:",i);
printk_debug(" %02x",byte);
}
printk_debug("\n");
// pci_write_config8(dev, 0x4, byte);
}
#endif
#if 0
static void print_mem(void)
{
int i;
int low_1MB = 0;
for(i=low_1MB;i<low_1MB+1024*4;i++) {
if((i%16)==0) printk_debug("\n %08x:",i);
printk_debug(" %02x ",(unsigned char)*((unsigned char *)i));
}
for(i=low_1MB;i<low_1MB+1024*4;i++) {
if((i%16)==0) printk_debug("\n %08x:",i);
printk_debug(" %c ",(unsigned char)*((unsigned char *)i));
}
}
#endif
#if 0
static void amd8111_enable_rom(void)
{
uint8_t byte;
struct device *dev;
/* Enable 4MB rom access at 0xFFC00000 - 0xFFFFFFFF */
/* Locate the amd8111 */
dev = dev_find_device(0x1022, 0x7468, 0);
/* Set the 4MB enable bit bit */
byte = pci_read_config8(dev, 0x43);
byte |= 0x80;
pci_write_config8(dev, 0x43, byte);
}
#endif
static void onboard_scsi_fixup(void)
{
struct device *dev;
#if 0
unsigned char i,j,k;
for(i=0;i<=6;i++) {
for(j=0;j<=0x1f;j++) {
for (k=0;k<=6;k++){
dev = dev_find_slot(i, PCI_DEVFN(j, k));
if (dev) {
printk_debug("%02x:%02x:%02x",i,j,k);
print_pci_regs(dev);
}
}
}
}
#endif
#if 0
dev = dev_find_device(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C1030,0);
if(!dev) {
printk_info("LSI_SCSI_FW_FIXUP: No Device Found!");
return;
}
lsi_scsi_init(dev);
#endif
// print_mem();
// amd8111_enable_rom();
}
#if 0
static void vga_fixup(void) {
// we do this right here because:
// - all the hardware is working, and some VGA bioses seem to need
// that
// - we need page 0 below for linuxbios tables.
#if CONFIG_REALMODE_IDT == 1
printk_debug("INSTALL REAL-MODE IDT\n");
setup_realmode_idt();
#endif
#if CONFIG_VGABIOS == 1
printk_debug("DO THE VGA BIOS\n");
do_vgabios();
post_code(0x93);
#endif
}
#endif
static void
enable(struct chip *chip, enum chip_pass pass)
{
struct mainboard_tyan_s2881_config *conf =
(struct mainboard_tyan_s2881_config *)chip->chip_info;
switch (pass) {
default: break;
// case CONF_PASS_PRE_CONSOLE:
// case CONF_PASS_PRE_PCI:
// case CONF_PASS_POST_PCI:
case CONF_PASS_PRE_BOOT:
// if (conf->fixup_scsi)
// onboard_scsi_fixup();
// if (conf->fixup_vga)
// vga_fixup();
// printk_debug("mainboard fixup pass %d done\r\n",pass);
break;
}
}
void final_mainboard_fixup(void)
{
#if 0
enable_ide_devices();
#endif
}
static struct device_operations mainboard_operations = {
.read_resources = root_dev_read_resources,
.set_resources = root_dev_set_resources,
.enable_resources = enable_childrens_resources,
.init = 0,
.scan_bus = amdk8_scan_root_bus,
.enable = 0,
};
static void enumerate(struct chip *chip)
{
struct chip *child;
dev_root.ops = &mainboard_operations;
chip->dev = &dev_root;
chip->bus = 0;
for(child = chip->children; child; child = child->next) {
child->bus = &dev_root.link[0];
}
}
struct chip_control mainboard_tyan_s2881_control = {
.enable = enable,
.enumerate = enumerate,
.name = "Tyan s2881 mainboard ",
};
|
