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
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
|
#define ASSEMBLY 1
#define __ROMCC__
#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 "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/cpu_rev.c"
#define K8_HT_FREQ_1G_SUPPORT 0
#include "northbridge/amd/amdk8/incoherent_ht.c"
#include "southbridge/nvidia/ck804/ck804_early_smbus.c"
#include "northbridge/amd/amdk8/raminit.h"
#include "cpu/amd/model_fxx/apic_timer.c"
#include "lib/delay.c"
#if CONFIG_USE_INIT == 0
#include "lib/memcpy.c"
#endif
#include "cpu/x86/lapic/boot_cpu.c"
#include "northbridge/amd/amdk8/reset_test.c"
#include "northbridge/amd/amdk8/debug.c"
#include "superio/winbond/w83627hf/w83627hf_early_serial.c"
#include "cpu/amd/mtrr/amd_earlymtrr.c"
#include "cpu/x86/bist.h"
#include "northbridge/amd/amdk8/setup_resource_map.c"
#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
static void hard_reset(void)
{
set_bios_reset();
/* full reset */
outb(0x0a, 0x0cf9);
outb(0x0e, 0x0cf9);
}
static void soft_reset(void)
{
set_bios_reset();
#if 1
/* link reset */
outb(0x02, 0x0cf9);
outb(0x06, 0x0cf9);
#endif
}
static void memreset_setup(void)
{
}
static void memreset(int controllers, const struct mem_controller *ctrl)
{
}
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);
}
#define K8_4RANK_DIMM_SUPPORT 1
#include "northbridge/amd/amdk8/raminit.c"
#include "northbridge/amd/amdk8/coherent_ht.c"
#include "sdram/generic_sdram.c"
/* tyan does not want the default */
#include "resourcemap.c"
#if CONFIG_LOGICAL_CPUS==1
#define SET_NB_CFG_54 1
#include "cpu/amd/dualcore/dualcore.c"
#endif
#define FIRST_CPU 1
#define SECOND_CPU 1
#define TOTAL_CPUS (FIRST_CPU + SECOND_CPU)
#define CK804_NUM 1
#include "southbridge/nvidia/ck804/ck804_early_setup_ss.h"
//set GPIO to input mode
#define CK804_MB_SETUP \
RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+15, ~(0xff), ((0<<4)|(0<<2)|(0<<0)),/* M8,GPIO16, PCIXA_PRSNT2_L*/ \
RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+44, ~(0xff), ((0<<4)|(0<<2)|(0<<0)),/* P5,GPIO45, PCIXA_PRSNT1_L*/ \
RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+16, ~(0xff), ((0<<4)|(0<<2)|(0<<0)),/* K4,GPIO17, PCIXB_PRSNT1_L*/ \
RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+45, ~(0xff), ((0<<4)|(0<<2)|(0<<0)),/* P7,GPIO46, PCIXB_PRSNT2_L*/ \
#include "southbridge/nvidia/ck804/ck804_early_setup.c"
#include "cpu/amd/car/copy_and_run.c"
#if USE_FALLBACK_IMAGE == 1
#include "southbridge/nvidia/ck804/ck804_enable_rom.c"
#include "northbridge/amd/amdk8/early_ht.c"
static void sio_setup(void)
{
unsigned value;
uint32_t dword;
uint8_t byte;
byte = pci_read_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0x7b);
byte |= 0x20;
pci_write_config8(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0x7b, byte);
dword = pci_read_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa0);
dword |= (1<<0);
pci_write_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa0, dword);
}
void real_main(unsigned long bist);
void amd64_main(unsigned long bist)
{
#if CONFIG_LOGICAL_CPUS==1
struct node_core_id id;
#else
unsigned nodeid;
#endif
/* Make cerain my local apic is useable */
// enable_lapic();
#if CONFIG_LOGICAL_CPUS==1
id = get_node_core_id_x();
/* Is this a cpu only reset? */
if (cpu_init_detected(id.nodeid)) {
#else
// nodeid = lapicid() & 0xf;
nodeid = get_node_id();
/* Is this a cpu only reset? */
if (cpu_init_detected(nodeid)) {
#endif
if (last_boot_normal()) {
goto normal_image;
} else {
goto cpu_reset;
}
}
/* Is this a secondary cpu? */
if (!boot_cpu()) {
if (last_boot_normal()) {
goto normal_image;
} else {
goto fallback_image;
}
}
/* Nothing special needs to be done to find bus 0 */
/* Allow the HT devices to be found */
enumerate_ht_chain();
sio_setup();
/* Setup the ck804 */
ck804_enable_rom();
/* Is this a deliberate reset by the bios */
if (bios_reset_detected() && last_boot_normal()) {
goto normal_image;
}
/* This is the primary cpu how should I boot? */
else if (do_normal_boot()) {
goto normal_image;
}
else {
goto fallback_image;
}
normal_image:
__asm__ volatile ("jmp __normal_image"
: /* outputs */
: "a" (bist) /* inputs */
);
cpu_reset:
#if 0
//CPU reset will reset memtroller ???
asm volatile ("jmp __cpu_reset"
: /* outputs */
: "a"(bist) /* inputs */
);
#endif
fallback_image:
real_main(bist);
}
void real_main(unsigned long bist)
#else
void amd64_main(unsigned long bist)
#endif
{
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;
unsigned cpu_reset = 0;
if (bist == 0) {
#if CONFIG_LOGICAL_CPUS==1
struct node_core_id id;
#else
unsigned nodeid;
#endif
/* Skip this if there was a built in self test failure */
// amd_early_mtrr_init(); # don't need, already done in cache_as_ram
#if CONFIG_LOGICAL_CPUS==1
set_apicid_cpuid_lo();
id = get_node_core_id_x(); // that is initid
#else
nodeid = get_node_id();
#endif
enable_lapic();
// init_timer();
#if CONFIG_LOGICAL_CPUS==1
if(id.coreid == 0) {
if (cpu_init_detected(id.nodeid)) {
cpu_reset = 1;
goto cpu_reset_x;
}
distinguish_cpu_resets(id.nodeid);
}
#else
if (cpu_init_detected(nodeid)) {
cpu_reset = 1;
goto cpu_reset_x;
}
distinguish_cpu_resets(nodeid);
#endif
if (!boot_cpu()
#if CONFIG_LOGICAL_CPUS==1
|| (id.coreid != 0)
#endif
) {
// We need stop the CACHE as RAM for this CPU too
#include "cpu/amd/car/cache_as_ram_post.c"
stop_this_cpu(); // it will stop all cores except core0 of cpu0
}
}
init_timer(); // only do it it first CPU
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_s2892_resource_map();
#if 0
dump_pci_device(PCI_DEV(0, 0x18, 0));
dump_pci_device(PCI_DEV(0, 0x19, 0));
#endif
needs_reset = setup_coherent_ht_domain();
#if CONFIG_LOGICAL_CPUS==1
// It is said that we should start core1 after all core0 launched
start_other_cores();
#endif
needs_reset |= ht_setup_chains_x();
needs_reset |= ck804_early_setup_x();
if (needs_reset) {
print_info("ht reset -\r\n");
soft_reset();
}
enable_smbus();
#if 0
dump_spd_registers(&cpu[0]);
#endif
#if 0
dump_smbus_registers();
#endif
memreset_setup();
sdram_initialize(sizeof(cpu)/sizeof(cpu[0]), cpu);
#if 0
dump_pci_devices();
#endif
#if 1
{
/* Check value of esp to verify if we have enough rom for stack in Cache as RAM */
unsigned v_esp;
__asm__ volatile (
"movl %%esp, %0\n\t"
: "=a" (v_esp)
);
#if CONFIG_USE_INIT
printk_debug("v_esp=%08x\r\n", v_esp);
#else
print_debug("v_esp="); print_debug_hex32(v_esp); print_debug("\r\n");
#endif
}
#endif
cpu_reset_x:
#if CONFIG_USE_INIT
printk_debug("cpu_reset = %08x\r\n",cpu_reset);
#else
print_debug("cpu_reset = "); print_debug_hex32(cpu_reset); print_debug("\r\n");
#endif
if(cpu_reset == 0) {
print_debug("Clearing initial memory region: ");
}
print_debug("No cache as ram now - ");
/* store cpu_reset to ebx */
__asm__ volatile (
"movl %0, %%ebx\n\t"
::"a" (cpu_reset)
);
if(cpu_reset==0) {
#define CLEAR_FIRST_1M_RAM 1
#include "cpu/amd/car/cache_as_ram_post.c"
}
else {
#undef CLEAR_FIRST_1M_RAM
#include "cpu/amd/car/cache_as_ram_post.c"
}
__asm__ volatile (
/* set new esp */ /* before _RAMBASE */
"movl %0, %%ebp\n\t"
"movl %0, %%esp\n\t"
::"a"( _RAMBASE - 4 )
);
{
unsigned new_cpu_reset;
/* get back cpu_reset from ebx */
__asm__ volatile (
"movl %%ebx, %0\n\t"
:"=a" (new_cpu_reset)
);
/* We can not go back any more, we lost old stack data in cache as ram*/
if(new_cpu_reset==0) {
print_debug("Use Ram as Stack now - done\r\n");
} else
{
print_debug("Use Ram as Stack now - \r\n");
}
#if CONFIG_USE_INIT
printk_debug("new_cpu_reset = %08x\r\n", new_cpu_reset);
#else
print_debug("new_cpu_reset = "); print_debug_hex32(new_cpu_reset); print_debug("\r\n");
#endif
/*copy and execute linuxbios_ram */
copy_and_run(new_cpu_reset);
/* We will not return */
}
print_debug("should not be here -\r\n");
}
|