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
|
#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 <arch/hlt.h>
#include "pc80/serial.c"
#include "arch/i386/lib/console.c"
#include "ram/ramtest.c"
#include "southbridge/amd/cs5535/cs5535_early_smbus.c"
#include "superio/winbond/w83627hf/w83627hf_early_serial.c"
#include "cpu/x86/bist.h"
#include "cpu/x86/msr.h"
#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
//#include "lib/delay.c"
#include "northbridge/amd/gx2/raminit.h"
#include "northbridge/amd/gx2/raminit.c"
#include "sdram/generic_sdram.c"
static void msr_init(void)
{
__builtin_wrmsr(0x1808, 0x10f3bf00, 0x22fffc02);
__builtin_wrmsr(0x10000020, 0xfff80, 0x20000000);
__builtin_wrmsr(0x10000021, 0x80fffe0, 0x20000000);
__builtin_wrmsr(0x10000026, 0x400fffc0, 0x2cfbc040);
__builtin_wrmsr(0x10000027, 0xfff00000, 0xff);
__builtin_wrmsr(0x10000028, 0x7bf00100, 0x2000000f);
__builtin_wrmsr(0x1000002c, 0xff030003, 0x20000000);
__builtin_wrmsr(0x10000080, 0x3, 0x0);
__builtin_wrmsr(0x40000020, 0xfff80, 0x20000000);
__builtin_wrmsr(0x40000021, 0x80fffe0, 0x20000000);
__builtin_wrmsr(0x40000023, 0x400fffc0, 0x20000040);
__builtin_wrmsr(0x40000024, 0xff4ffffc, 0x200000ef);
__builtin_wrmsr(0x40000029, 0x7bf00100, 0x2000000f);
__builtin_wrmsr(0x4000002d, 0xff030003, 0x20000000);
__builtin_wrmsr(0x400000e3, 0xf0309c10, 0x0);
__builtin_wrmsr(0xc0002001, 0x86002, 0x0);
__builtin_wrmsr(0x80002001, 0x86002, 0x0);
__builtin_wrmsr(0xa0002001, 0x86002, 0x0);
__builtin_wrmsr(0x50002001, 0x27, 0x0);
__builtin_wrmsr(0x4c002001, 0x1, 0x0);
}
static void pll_reset(void)
{
msr_t msr;
msr = rdmsr(0x4c000014);
print_debug("CGLP_SYS_RSTPLL ");
print_debug_hex32(msr.hi);
print_debug(":");
print_debug_hex32(msr.lo);
print_debug("\n\r");
if ((msr.lo >> 26) & 0x3F) {
print_debug("reboot from BIOS reset\n\r");
return;
}
print_debug("prgramming PLL\n\r");
msr.hi = 0x00000019;
msr.lo = 0x06de0378;
wrmsr(0x4c000014, msr);
msr.lo |= ((0xde << 16) | (1 << 26));
wrmsr(0x4c000014, msr);
print_debug("Reset PLL\n\r");
msr.lo |= ((1<<14) |(1<<13) | (1<<0));
wrmsr(0x4c000014,msr);
print_debug("should not be here\n\r");
}
static void main(unsigned long bist)
{
static const struct mem_controller memctrl [] = {
{.channel0 = {(0xa<<3)|0, (0xa<<3)|1}}
};
msr_init();
w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE);
uart_init();
console_init();
print_err("hi\n\r");
pll_reset();
msr_init();
/* Halt if there was a built in self test failure */
//report_bist_failure(bist);
sdram_initialize(1, memctrl);
/* Check all of memory */
ram_check(0x00000000, 1024*1024);
#if 0
ram_check(0x00000000, msr.lo);
static const struct {
unsigned long lo, hi;
} check_addrs[] = {
/* Check 16MB of memory @ 0*/
{ 0x00000000, 0x01000000 },
#if TOTAL_CPUS > 1
/* Check 16MB of memory @ 2GB */
{ 0x80000000, 0x81000000 },
#endif
};
int i;
for(i = 0; i < sizeof(check_addrs)/sizeof(check_addrs[0]); i++) {
ram_check(check_addrs[i].lo, check_addrs[i].hi);
}
#endif
}
|