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
|
#define ASSEMBLY 1
#include <stdint.h>
#include <device/pci_def.h>
#include <arch/io.h>
#include <device/pnp_def.h>
#include <arch/romcc_io.h>
#include <cpu/x86/lapic.h>
#include <arch/cpu.h>
#include "option_table.h"
#include "pc80/mc146818rtc_early.c"
#include "pc80/serial.c"
#include "arch/i386/lib/console.c"
#include "ram/ramtest.c"
#include "northbridge/amd/amdk8/incoherent_ht.c"
#include "southbridge/amd/amd8111/amd8111_early_smbus.c"
#include "northbridge/amd/amdk8/raminit.h"
#include "cpu/amd/model_fxx/apic_timer.c"
#include "lib/delay.c"
#include "cpu/x86/lapic/boot_cpu.c"
#include "northbridge/amd/amdk8/reset_test.c"
#include "northbridge/amd/amdk8/debug.c"
#include "northbridge/amd/amdk8/cpu_rev.c"
#include "superio/winbond/w83627hf/w83627hf_early_serial.c"
#include "cpu/amd/mtrr/amd_earlymtrr.c"
#include "cpu/x86/bist.h"
#include "cpu/amd/dualcore/dualcore.c"
#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
/* Look up a which bus a given node/link combination is on.
* return 0 when we can't find the answer.
*/
static unsigned node_link_to_bus(unsigned node, unsigned link)
{
unsigned reg;
for(reg = 0xE0; reg < 0xF0; reg += 0x04) {
unsigned config_map;
config_map = pci_read_config32(PCI_DEV(0, 0x18, 1), reg);
if ((config_map & 3) != 3) {
continue;
}
if ((((config_map >> 4) & 7) == node) &&
(((config_map >> 8) & 3) == link))
{
return (config_map >> 16) & 0xff;
}
}
return 0;
}
static void hard_reset(void)
{
device_t dev;
/* Find the device */
dev = PCI_DEV(node_link_to_bus(0, 0), 0x04, 3);
set_bios_reset();
/* enable cf9 */
pci_write_config8(dev, 0x41, 0xf1);
/* reset */
outb(0x0e, 0x0cf9);
}
static void soft_reset(void)
{
device_t dev;
/* Find the device */
dev = PCI_DEV(node_link_to_bus(0, 0), 0x04, 0);
set_bios_reset();
pci_write_config8(dev, 0x47, 1);
}
#define REV_B_RESET 0
static void memreset_setup(void)
{
if (is_cpu_pre_c0()) {
outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 16); //REVC_MEMRST_EN=0
}
else {
outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 16); //REVC_MEMRST_EN=1
}
outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 17);
}
static void memreset(int controllers, const struct mem_controller *ctrl)
{
if (is_cpu_pre_c0()) {
udelay(800);
outb((0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 17); //REVB_MEMRST_L=1
udelay(90);
}
}
static inline void activate_spd_rom(const struct mem_controller *ctrl)
{
/* nothing to do */
}
static inline int spd_read_byte(unsigned device, unsigned address)
{
return smbus_read_byte(device, address);
}
#include "northbridge/amd/amdk8/setup_resource_map.c"
#define K8_4RANK_DIMM_SUPPORT 1
#include "northbridge/amd/amdk8/raminit.c"
#include "northbridge/amd/amdk8/resourcemap.c"
#include "northbridge/amd/amdk8/coherent_ht.c"
#include "sdram/generic_sdram.c"
#define FIRST_CPU 1
#define SECOND_CPU 1
#define TOTAL_CPUS (FIRST_CPU + SECOND_CPU)
static void main(unsigned long bist)
{
/*
* GPIO28 of 8111 will control H0_MEMRESET_L
* GPIO29 of 8111 will control H1_MEMRESET_L
*/
static const struct mem_controller cpu[] = {
#if FIRST_CPU
{
.node_id = 0,
.f0 = PCI_DEV(0, 0x18, 0),
.f1 = PCI_DEV(0, 0x18, 1),
.f2 = PCI_DEV(0, 0x18, 2),
.f3 = PCI_DEV(0, 0x18, 3),
.channel0 = { (0xa<<3)|0, (0xa<<3)|2, 0, 0 },
.channel1 = { (0xa<<3)|1, (0xa<<3)|3, 0, 0 },
},
#endif
#if SECOND_CPU
{
.node_id = 1,
.f0 = PCI_DEV(0, 0x19, 0),
.f1 = PCI_DEV(0, 0x19, 1),
.f2 = PCI_DEV(0, 0x19, 2),
.f3 = PCI_DEV(0, 0x19, 3),
.channel0 = { (0xa<<3)|4, (0xa<<3)|6, 0, 0 },
.channel1 = { (0xa<<3)|5, (0xa<<3)|7, 0, 0 },
},
#endif
};
int needs_reset;
#if CONFIG_LOGICAL_CPUS==1
struct node_core_id id;
#else
unsigned nodeid;
#endif
if (bist == 0) {
k8_init_and_stop_secondaries();
}
w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE);
uart_init();
console_init();
/* Halt if there was a built in self test failure */
// report_bist_failure(bist);
setup_default_resource_map();
needs_reset = setup_coherent_ht_domain();
needs_reset |= ht_setup_chains_x();
if (needs_reset) {
print_info("ht reset -\r\n");
soft_reset();
}
enable_smbus();
memreset_setup();
sdram_initialize(sizeof(cpu)/sizeof(cpu[0]), cpu);
}
|
