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
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
#include <stdint.h>
#include <device/pci_def.h>
#include <arch/io.h>
#include <device/pnp_def.h>
#include <arch/hlt.h>
#include <pc80/mc146818rtc.h>
#include <console/console.h>
#include "cpu/x86/bist.h"
void setup_pars(void)
{
volatile unsigned long *par;
/* as per the book: */
/* PAR register setup */
/* set up the PAR registers as they are on the MSM586SEG */
par = (unsigned long *) 0xfffef088;
/* NOTE: move this to mainboard.c ASAP */
*par++ = 0x607c00a0; /*PAR0: PCI:Base 0xa0000; size 0x1f000:*/
*par++ = 0x480400d8; /*PAR1: GP BUS MEM:CS2:Base 0xd8, size 0x4:*/
*par++ = 0x340100ea; /*PAR2: GP BUS IO:CS5:Base 0xea, size 0x1:*/
*par++ = 0x380701f0; /*PAR3: GP BUS IO:CS6:Base 0x1f0, size 0x7:*/
*par++ = 0x3c0003f6; /*PAR4: GP BUS IO:CS7:Base 0x3f6, size 0x0:*/
*par++ = 0x35ff0400; /*PAR5: GP BUS IO:CS5:Base 0x400, size 0xff:*/
*par++ = 0x35ff0600; /*PAR6: GP BUS IO:CS5:Base 0x600, size 0xff:*/
*par++ = 0x35ff0800; /*PAR7: GP BUS IO:CS5:Base 0x800, size 0xff:*/
*par++ = 0x35ff0a00; /*PAR8: GP BUS IO:CS5:Base 0xa00, size 0xff:*/
*par++ = 0x35ff0e00; /*PAR9: GP BUS IO:CS5:Base 0xe00, size 0xff:*/
*par++ = 0x34fb0104; /*PAR10: GP BUS IO:CS5:Base 0x104, size 0xfb:*/
*par++ = 0x35af0200; /*PAR11: GP BUS IO:CS5:Base 0x200, size 0xaf:*/
*par++ = 0x341f03e0; /*PAR12: GP BUS IO:CS5:Base 0x3e0, size 0x1f:*/
*par++ = 0xe41c00c0; /*PAR13: SDRAM:code:cache:nowrite:Base 0xc0000, size 0x7000:*/
*par++ = 0x545c00c8; /*PAR14: GP BUS MEM:CS5:Base 0xc8, size 0x5c:*/
*par++ = 0x8a020200; /*PAR15: BOOTCS:code:nocache:write:Base 0x2000000, size 0x80000:*/
}
#include "cpu/amd/sc520/raminit.c"
struct mem_controller {
int i;
};
static int spd_read_byte(unsigned device, unsigned address) { }
static inline void dumpmem(void){
int i, j;
unsigned char *l;
unsigned char c;
for(i = 0x4000; i < 0x5000; i += 16) {
print_err_hex32(i); print_err(":");
for(j = 0; j < 16; j++) {
l = (unsigned char *)i + j;
c = *l;
print_err_hex8(c);
print_err(" ");
}
print_err("\n");
}
}
static inline void irqinit(void){
volatile unsigned char *cp;
#if 0
/* these values taken from the msm board itself.
* and they cause the board to not even come out of calibrating_delay_loop
* if you can believe it. Our problem right now is no IDE or serial interrupts
* So we'll try to put interrupts in, one at a time. IDE first.
*/
cp = (volatile unsigned char *) 0xfffefd00;
*cp = 0x11;
cp = (volatile unsigned char *) 0xfffefd02;
*cp = 0x02;
cp = (volatile unsigned char *) 0xfffefd03;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd04;
*cp = 0xf7;
cp = (volatile unsigned char *) 0xfffefd08;
*cp = 0xf7;
cp = (volatile unsigned char *) 0xfffefd0a;
*cp = 0x8b;
cp = (volatile unsigned char *) 0xfffefd10;
*cp = 0x18;
cp = (volatile unsigned char *) 0xfffefd14;
*cp = 0x09;
cp = (volatile unsigned char *) 0xfffefd18;
*cp = 0x88;
cp = (volatile unsigned char *) 0xfffefd1a;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd1b;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd1c;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd20;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd21;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd22;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd28;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd29;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd30;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd31;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd32;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd33;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd40;
*cp = 0x10;
cp = (volatile unsigned char *) 0xfffefd41;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd42;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd43;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd44;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd45;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd46;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd50;
*cp = 0x37;
cp = (volatile unsigned char *) 0xfffefd51;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd52;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd53;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd54;
*cp = 0x37;
cp = (volatile unsigned char *) 0xfffefd55;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd56;
*cp = 0x37;
cp = (volatile unsigned char *) 0xfffefd57;
*cp = 0x00;
cp = (volatile unsigned char *) 0xfffefd58;
*cp = 0xff;
cp = (volatile unsigned char *) 0xfffefd59;
*cp = 0xff;
cp = (volatile unsigned char *) 0xfffefd5a;
*cp = 0xff;
#endif
#if 0
/* this fails too */
/* IDE only ... */
cp = (volatile unsigned char *) 0xfffefd56;
*cp = 0xe;
#endif
}
static void main(unsigned long bist)
{
volatile int i;
for(i = 0; i < 100; i++)
;
setupsc520();
irqinit();
console_init();
for(i = 0; i < 100; i++)
print_err("fill usart\n");
// while(1)
print_err("HI THERE!\n");
// sizemem();
staticmem();
print_err("c60 is "); print_err_hex16(*(unsigned short *)0xfffefc60);
print_err("\n");
// while(1)
print_err("STATIC MEM DONE\n");
post_code(0xee);
print_err("loop forever ...\n");
#if 0
/* clear memory 1meg */
__asm__ volatile(
"1: \n\t"
"movl %0, %%fs:(%1)\n\t"
"addl $4,%1\n\t"
"subl $4,%2\n\t"
"jnz 1b\n\t"
:
: "a" (0), "D" (0), "c" (1024*1024)
);
#endif
#if 0
dump_pci_devices();
#endif
#if 0
dump_pci_device(PCI_DEV(0, 0, 0));
#endif
#if 1
{
volatile unsigned char *src = (unsigned char *) 0x2000000 + 0x60000;
volatile unsigned char *dst = (unsigned char *) 0x4000;
for(i = 0; i < 0x20000; i++) {
/*
print_err("Set dst "); print_err_hex32((unsigned long) dst);
print_err(" to "); print_err_hex32(*src); print_err("\n");
*/
*dst = *src;
//print_err(" dst is now "); print_err_hex32(*dst); print_err("\n");
dst++, src++;
post_code(i & 0xff);
}
}
dumpmem();
post_code(0x00);
print_err("loop forever\n");
post_code(0xdd);
__asm__ volatile(
"movl %0, %%edi\n\t"
"jmp *%%edi\n\t"
:
: "a" (0x4000)
);
print_err("Oh dear, I'm afraid it didn't work...\n");
while(1);
#endif
}
|
