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
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016 Damien Zammit <damien@zamaudio.com>
* Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
* Copyright (C) 2007 Advanced Micro Devices, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <inttypes.h>
#include <arch/io.h>
#include <arch/acpi.h>
#include <arch/cpu.h>
#include <device/pci.h>
#include <string.h>
#include <cbmem.h>
#include <console/console.h>
#include <northbridge/amd/amdfam10/debug.h>
#include <northbridge/amd/amdfam10/raminit.h>
#include <northbridge/amd/amdfam10/amdfam10.h>
/* Global allocation of sysinfo_car */
#include <arch/early_variables.h>
struct sys_info sysinfo_car CAR_GLOBAL;
struct mem_controller;
extern void activate_spd_rom(const struct mem_controller *ctrl);
extern int spd_read_byte(unsigned int device, unsigned int address);
void fam15h_switch_dct(uint32_t dev, uint8_t dct)
{
uint32_t dword;
dword = Get_NB32(dev, 0x10c);
dword &= ~0x1;
dword |= (dct & 0x1);
Set_NB32(dev, 0x10c, dword);
}
static inline void fam15h_switch_nb_pstate_config_reg(uint32_t dev, uint8_t nb_pstate)
{
uint32_t dword;
dword = Get_NB32(dev, 0x10c);
dword &= ~(0x3 << 4);
dword |= (nb_pstate & 0x3) << 4;
Set_NB32(dev, 0x10c, dword);
}
uint32_t Get_NB32_DCT(uint32_t dev, uint8_t dct, uint32_t reg)
{
if (is_fam15h()) {
/* Obtain address of function 0x1 */
uint32_t dev_map = (dev & (~(0x7 << 12))) | (0x1 << 12);
fam15h_switch_dct(dev_map, dct);
return Get_NB32(dev, reg);
} else {
return Get_NB32(dev, (0x100 * dct) + reg);
}
}
void Set_NB32_DCT(uint32_t dev, uint8_t dct, uint32_t reg, uint32_t val)
{
if (is_fam15h()) {
/* Obtain address of function 0x1 */
uint32_t dev_map = (dev & (~(0x7 << 12))) | (0x1 << 12);
fam15h_switch_dct(dev_map, dct);
Set_NB32(dev, reg, val);
} else {
Set_NB32(dev, (0x100 * dct) + reg, val);
}
}
uint32_t Get_NB32_DCT_NBPstate(uint32_t dev, uint8_t dct, uint8_t nb_pstate, uint32_t reg)
{
if (is_fam15h()) {
/* Obtain address of function 0x1 */
uint32_t dev_map = (dev & (~(0x7 << 12))) | (0x1 << 12);
fam15h_switch_dct(dev_map, dct);
fam15h_switch_nb_pstate_config_reg(dev_map, nb_pstate);
return Get_NB32(dev, reg);
} else {
return Get_NB32(dev, (0x100 * dct) + reg);
}
}
void Set_NB32_DCT_NBPstate(uint32_t dev, uint8_t dct, uint8_t nb_pstate, uint32_t reg, uint32_t val)
{
if (is_fam15h()) {
/* Obtain address of function 0x1 */
uint32_t dev_map = (dev & (~(0x7 << 12))) | (0x1 << 12);
fam15h_switch_dct(dev_map, dct);
fam15h_switch_nb_pstate_config_reg(dev_map, nb_pstate);
Set_NB32(dev, reg, val);
} else {
Set_NB32(dev, (0x100 * dct) + reg, val);
}
}
uint32_t Get_NB32_index_wait_DCT(uint32_t dev, uint8_t dct, uint32_t index_reg, uint32_t index)
{
if (is_fam15h()) {
/* Obtain address of function 0x1 */
uint32_t dev_map = (dev & (~(0x7 << 12))) | (0x1 << 12);
fam15h_switch_dct(dev_map, dct);
return Get_NB32_index_wait(dev, index_reg, index);
} else {
return Get_NB32_index_wait(dev, (0x100 * dct) + index_reg, index);
}
}
void Set_NB32_index_wait_DCT(uint32_t dev, uint8_t dct, uint32_t index_reg, uint32_t index, uint32_t data)
{
if (is_fam15h()) {
/* Obtain address of function 0x1 */
uint32_t dev_map = (dev & (~(0x7 << 12))) | (0x1 << 12);
fam15h_switch_dct(dev_map, dct);
Set_NB32_index_wait(dev, index_reg, index, data);
} else {
Set_NB32_index_wait(dev, (0x100 * dct) + index_reg, index, data);
}
}
static uint16_t voltage_index_to_mv(uint8_t index)
{
if (index & 0x8)
return 1150;
if (index & 0x4)
return 1250;
else if (index & 0x2)
return 1350;
else
return 1500;
}
uint16_t mct_MaxLoadFreq(uint8_t count, uint8_t highest_rank_count, uint8_t registered, uint8_t voltage, uint16_t freq)
{
/* FIXME
* Mainboards need to be able to specify the maximum number of DIMMs installable per channel
* For now assume a maximum of 2 DIMMs per channel can be installed
*/
uint8_t MaxDimmsInstallable = 2;
/* Return limited maximum RAM frequency */
if (IS_ENABLED(CONFIG_DIMM_DDR2)) {
if (IS_ENABLED(CONFIG_DIMM_REGISTERED) && registered) {
/* K10 BKDG Rev. 3.62 Table 53 */
if (count > 2) {
/* Limit to DDR2-533 */
if (freq > 266) {
freq = 266;
print_tf(__func__, ": More than 2 registered DIMMs on channel; limiting to DDR2-533\n");
}
}
} else {
/* K10 BKDG Rev. 3.62 Table 52 */
if (count > 1) {
/* Limit to DDR2-800 */
if (freq > 400) {
freq = 400;
print_tf(__func__, ": More than 1 unbuffered DIMM on channel; limiting to DDR2-800\n");
}
}
}
} else if (IS_ENABLED(CONFIG_DIMM_DDR3)) {
if (voltage == 0) {
printk(BIOS_DEBUG, "%s: WARNING: Mainboard DDR3 voltage unknown, assuming 1.5V!\n", __func__);
voltage = 0x1;
}
if (is_fam15h()) {
if (CONFIG_CPU_SOCKET_TYPE == 0x15) {
/* Socket G34 */
if (IS_ENABLED(CONFIG_DIMM_REGISTERED) && registered) {
/* Fam15h BKDG Rev. 3.14 Table 27 */
if (voltage & 0x4) {
/* 1.25V */
if (count > 1) {
if (highest_rank_count > 1) {
/* Limit to DDR3-1066 */
if (freq > 533) {
freq = 533;
printk(BIOS_DEBUG, "%s: More than 1 registered DIMM on %dmV channel; limiting to DDR3-1066\n", __func__, voltage_index_to_mv(voltage));
}
} else {
/* Limit to DDR3-1333 */
if (freq > 666) {
freq = 666;
printk(BIOS_DEBUG, "%s: More than 1 registered DIMM on %dmV channel; limiting to DDR3-1333\n", __func__, voltage_index_to_mv(voltage));
}
}
} else {
/* Limit to DDR3-1333 */
if (freq > 666) {
freq = 666;
printk(BIOS_DEBUG, "%s: 1 registered DIMM on %dmV channel; limiting to DDR3-1333\n", __func__, voltage_index_to_mv(voltage));
}
}
} else if (voltage & 0x2) {
/* 1.35V */
if (count > 1) {
/* Limit to DDR3-1333 */
if (freq > 666) {
freq = 666;
printk(BIOS_DEBUG, "%s: More than 1 registered DIMM on %dmV channel; limiting to DDR3-1333\n", __func__, voltage_index_to_mv(voltage));
}
} else {
/* Limit to DDR3-1600 */
if (freq > 800) {
freq = 800;
printk(BIOS_DEBUG, "%s: 1 registered DIMM on %dmV channel; limiting to DDR3-1600\n", __func__, voltage_index_to_mv(voltage));
}
}
} else if (voltage & 0x1) {
/* 1.50V */
if (count > 1) {
/* Limit to DDR3-1600 */
if (freq > 800) {
freq = 800;
printk(BIOS_DEBUG, "%s: More than 1 registered DIMM on %dmV channel; limiting to DDR3-1600\n", __func__, voltage_index_to_mv(voltage));
}
} else {
/* Limit to DDR3-1866 */
if (freq > 933) {
freq = 933;
printk(BIOS_DEBUG, "%s: 1 registered DIMM on %dmV channel; limiting to DDR3-1866\n", __func__, voltage_index_to_mv(voltage));
}
}
}
} else {
/* Fam15h BKDG Rev. 3.14 Table 26 */
if (voltage & 0x4) {
/* 1.25V */
if (count > 1) {
if (highest_rank_count > 1) {
/* Limit to DDR3-1066 */
if (freq > 533) {
freq = 533;
printk(BIOS_DEBUG, "%s: More than 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1066\n", __func__, voltage_index_to_mv(voltage));
}
} else {
/* Limit to DDR3-1333 */
if (freq > 666) {
freq = 666;
printk(BIOS_DEBUG, "%s: More than 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1333\n", __func__, voltage_index_to_mv(voltage));
}
}
} else {
/* Limit to DDR3-1333 */
if (freq > 666) {
freq = 666;
printk(BIOS_DEBUG, "%s: 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1333\n", __func__, voltage_index_to_mv(voltage));
}
}
} else if (voltage & 0x2) {
/* 1.35V */
if (MaxDimmsInstallable > 1) {
/* Limit to DDR3-1333 */
if (freq > 666) {
freq = 666;
printk(BIOS_DEBUG, "%s: More than 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1333\n", __func__, voltage_index_to_mv(voltage));
}
} else {
/* Limit to DDR3-1600 */
if (freq > 800) {
freq = 800;
printk(BIOS_DEBUG, "%s: 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1600\n", __func__, voltage_index_to_mv(voltage));
}
}
} else if (voltage & 0x1) {
if (MaxDimmsInstallable == 1) {
if (count > 1) {
/* Limit to DDR3-1600 */
if (freq > 800) {
freq = 800;
printk(BIOS_DEBUG, "%s: More than 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1600\n", __func__, voltage_index_to_mv(voltage));
}
} else {
/* Limit to DDR3-1866 */
if (freq > 933) {
freq = 933;
printk(BIOS_DEBUG, "%s: 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1866\n", __func__, voltage_index_to_mv(voltage));
}
}
} else {
if (count > 1) {
if (highest_rank_count > 1) {
/* Limit to DDR3-1333 */
if (freq > 666) {
freq = 666;
printk(BIOS_DEBUG, "%s: More than 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1333\n", __func__, voltage_index_to_mv(voltage));
}
} else {
/* Limit to DDR3-1600 */
if (freq > 800) {
freq = 800;
printk(BIOS_DEBUG, "%s: More than 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1600\n", __func__, voltage_index_to_mv(voltage));
}
}
} else {
/* Limit to DDR3-1600 */
if (freq > 800) {
freq = 800;
printk(BIOS_DEBUG, "%s: 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1600\n", __func__, voltage_index_to_mv(voltage));
}
}
}
}
}
} else if (CONFIG_CPU_SOCKET_TYPE == 0x14) {
/* Socket C32 */
if (IS_ENABLED(CONFIG_DIMM_REGISTERED) && registered) {
/* Fam15h BKDG Rev. 3.14 Table 30 */
if (voltage & 0x4) {
/* 1.25V */
if (count > 1) {
if (highest_rank_count > 2) {
/* Limit to DDR3-800 */
if (freq > 400) {
freq = 400;
printk(BIOS_DEBUG, "%s: More than 1 registered DIMM on %dmV channel; limiting to DDR3-800\n", __func__, voltage_index_to_mv(voltage));
}
} else {
/* Limit to DDR3-1333 */
if (freq > 666) {
freq = 666;
printk(BIOS_DEBUG, "%s: More than 1 registered DIMM on %dmV channel; limiting to DDR3-1333\n", __func__, voltage_index_to_mv(voltage));
}
}
} else {
/* Limit to DDR3-1333 */
if (freq > 666) {
freq = 666;
printk(BIOS_DEBUG, "%s: 1 registered DIMM on %dmV channel; limiting to DDR3-1333\n", __func__, voltage_index_to_mv(voltage));
}
}
} else if (voltage & 0x2) {
/* 1.35V */
if (count > 1) {
if (highest_rank_count > 2) {
/* Limit to DDR3-800 */
if (freq > 400) {
freq = 400;
printk(BIOS_DEBUG, "%s: More than 1 registered DIMM on %dmV channel; limiting to DDR3-800\n", __func__, voltage_index_to_mv(voltage));
}
} else if (highest_rank_count > 1) {
/* Limit to DDR3-1066 */
if (freq > 533) {
freq = 533;
printk(BIOS_DEBUG, "%s: More than 1 registered DIMM on %dmV channel; limiting to DDR3-1066\n", __func__, voltage_index_to_mv(voltage));
}
} else {
/* Limit to DDR3-1333 */
if (freq > 666) {
freq = 666;
printk(BIOS_DEBUG, "%s: More than 1 registered DIMM on %dmV channel; limiting to DDR3-1333\n", __func__, voltage_index_to_mv(voltage));
}
}
} else {
/* Limit to DDR3-1600 */
if (freq > 800) {
freq = 800;
printk(BIOS_DEBUG, "%s: 1 registered DIMM on %dmV channel; limiting to DDR3-1600\n", __func__, voltage_index_to_mv(voltage));
}
}
} else if (voltage & 0x1) {
/* 1.50V */
if (count > 1) {
if (highest_rank_count > 2) {
/* Limit to DDR3-800 */
if (freq > 400) {
freq = 400;
printk(BIOS_DEBUG, "%s: More than 1 registered DIMM on %dmV channel; limiting to DDR3-800\n", __func__, voltage_index_to_mv(voltage));
}
} else if (highest_rank_count > 1) {
/* Limit to DDR3-1066 */
if (freq > 533) {
freq = 533;
printk(BIOS_DEBUG, "%s: More than 1 registered DIMM on %dmV channel; limiting to DDR3-1066\n", __func__, voltage_index_to_mv(voltage));
}
} else {
/* Limit to DDR3-1333 */
if (freq > 666) {
freq = 666;
printk(BIOS_DEBUG, "%s: More than 1 registered DIMM on %dmV channel; limiting to DDR3-1333\n", __func__, voltage_index_to_mv(voltage));
}
}
} else {
if (highest_rank_count > 2) {
/* Limit to DDR3-1333 */
if (freq > 666) {
freq = 666;
printk(BIOS_DEBUG, "%s: More than 1 registered DIMM on %dmV channel; limiting to DDR3-1333\n", __func__, voltage_index_to_mv(voltage));
}
} else {
/* Limit to DDR3-1600 */
if (freq > 800) {
freq = 800;
printk(BIOS_DEBUG, "%s: More than 1 registered DIMM on %dmV channel; limiting to DDR3-1600\n", __func__, voltage_index_to_mv(voltage));
}
}
}
}
} else {
/* Fam15h BKDG Rev. 3.14 Table 29 */
if (voltage & 0x4) {
/* 1.25V */
if (count > 1) {
/* Limit to DDR3-1066 */
if (freq > 533) {
freq = 533;
printk(BIOS_DEBUG, "%s: More than 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1066\n", __func__, voltage_index_to_mv(voltage));
}
} else {
/* Limit to DDR3-1333 */
if (freq > 666) {
freq = 666;
printk(BIOS_DEBUG, "%s: 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1333\n", __func__, voltage_index_to_mv(voltage));
}
}
} else if (voltage & 0x2) {
if (count > 1) {
if (highest_rank_count > 1) {
/* Limit to DDR3-1066 */
if (freq > 533) {
freq = 533;
printk(BIOS_DEBUG, "%s: More than 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1066\n", __func__, voltage_index_to_mv(voltage));
}
} else {
/* Limit to DDR3-1333 */
if (freq > 666) {
freq = 666;
printk(BIOS_DEBUG, "%s: More than 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1333\n", __func__, voltage_index_to_mv(voltage));
}
}
} else {
/* Limit to DDR3-1333 */
if (freq > 666) {
freq = 666;
printk(BIOS_DEBUG, "%s: 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1333\n", __func__, voltage_index_to_mv(voltage));
}
}
} else if (voltage & 0x1) {
if (MaxDimmsInstallable == 1) {
/* Limit to DDR3-1600 */
if (freq > 800) {
freq = 800;
printk(BIOS_DEBUG, "%s: 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1600\n", __func__, voltage_index_to_mv(voltage));
}
} else {
if (count > 1) {
if (highest_rank_count > 1) {
/* Limit to DDR3-1066 */
if (freq > 533) {
freq = 533;
printk(BIOS_DEBUG, "%s: More than 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1066\n", __func__, voltage_index_to_mv(voltage));
}
} else {
/* Limit to DDR3-1333 */
if (freq > 666) {
freq = 666;
printk(BIOS_DEBUG, "%s: More than 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1333\n", __func__, voltage_index_to_mv(voltage));
}
}
} else {
/* Limit to DDR3-1600 */
if (freq > 800) {
freq = 800;
printk(BIOS_DEBUG, "%s: 1 unbuffered DIMM on %dmV channel; limiting to DDR3-1600\n", __func__, voltage_index_to_mv(voltage));
}
}
}
}
}
} else {
/* TODO
* Other socket support unimplemented
*/
}
} else {
if (IS_ENABLED(CONFIG_DIMM_REGISTERED) && registered) {
/* K10 BKDG Rev. 3.62 Table 34 */
if (count > 2) {
/* Limit to DDR3-800 */
if (freq > 400) {
freq = 400;
printk(BIOS_DEBUG, "%s: More than 2 registered DIMMs on %dmV channel; limiting to DDR3-800\n", __func__, voltage_index_to_mv(voltage));
}
} else if (count == 2) {
/* Limit to DDR3-1066 */
if (freq > 533) {
freq = 533;
printk(BIOS_DEBUG, "%s: 2 registered DIMMs on %dmV channel; limiting to DDR3-1066\n", __func__, voltage_index_to_mv(voltage));
}
} else {
/* Limit to DDR3-1333 */
if (freq > 666) {
freq = 666;
printk(BIOS_DEBUG, "%s: 1 registered DIMM on %dmV channel; limiting to DDR3-1333\n", __func__, voltage_index_to_mv(voltage));
}
}
} else {
/* K10 BKDG Rev. 3.62 Table 33 */
/* Limit to DDR3-1333 */
if (freq > 666) {
freq = 666;
printk(BIOS_DEBUG, "%s: unbuffered DIMMs on %dmV channel; limiting to DDR3-1333\n", __func__, voltage_index_to_mv(voltage));
}
}
}
}
return freq;
}
int mctRead_SPD(u32 smaddr, u32 reg)
{
return spd_read_byte(smaddr, reg);
}
void mctSMBhub_Init(u32 node)
{
struct sys_info *sysinfo = &sysinfo_car;
struct mem_controller *ctrl = &(sysinfo->ctrl[node]);
activate_spd_rom(ctrl);
}
void mctGet_DIMMAddr(struct DCTStatStruc *pDCTstat, u32 node)
{
int j;
struct sys_info *sysinfo = &sysinfo_car;
struct mem_controller *ctrl = &(sysinfo->ctrl[node]);
for (j = 0; j < DIMM_SOCKETS; j++) {
pDCTstat->DIMMAddr[j*2] = ctrl->spd_addr[j] & 0xff;
pDCTstat->DIMMAddr[j*2+1] = ctrl->spd_addr[DIMM_SOCKETS + j] & 0xff;
}
}
#if IS_ENABLED(CONFIG_SET_FIDVID)
u8 mctGetProcessorPackageType(void) {
/* FIXME: I guess this belongs wherever mctGetLogicalCPUID ends up ? */
u32 BrandId = cpuid_ebx(0x80000001);
return (u8)((BrandId >> 28) & 0x0F);
}
#endif
void raminit_amdmct(struct sys_info *sysinfo)
{
struct MCTStatStruc *pMCTstat = &(sysinfo->MCTstat);
struct DCTStatStruc *pDCTstatA = sysinfo->DCTstatA;
printk(BIOS_DEBUG, "raminit_amdmct begin:\n");
mctAutoInitMCT_D(pMCTstat, pDCTstatA);
printk(BIOS_DEBUG, "raminit_amdmct end:\n");
}
void amdmct_cbmem_store_info(struct sys_info *sysinfo)
{
if (!sysinfo)
return;
/* Save memory info structures for use in ramstage */
size_t i;
struct DCTStatStruc *pDCTstatA = NULL;
if (!acpi_is_wakeup_s3()) {
/* Allocate memory */
struct amdmct_memory_info *mem_info;
mem_info = cbmem_add(CBMEM_ID_AMDMCT_MEMINFO, sizeof(struct amdmct_memory_info));
if (!mem_info)
return;
printk(BIOS_DEBUG, "%s: Storing AMDMCT configuration in CBMEM\n", __func__);
/* Initialize memory */
memset(mem_info, 0, sizeof(struct amdmct_memory_info));
/* Copy data */
memcpy(&mem_info->mct_stat, &sysinfo->MCTstat, sizeof(struct MCTStatStruc));
for (i = 0; i < MAX_NODES_SUPPORTED; i++) {
pDCTstatA = sysinfo->DCTstatA + i;
memcpy(&mem_info->dct_stat[i], pDCTstatA, sizeof(struct DCTStatStruc));
}
mem_info->ecc_enabled = mctGet_NVbits(NV_ECC_CAP);
mem_info->ecc_scrub_rate = mctGet_NVbits(NV_DramBKScrub);
/* Zero out invalid/unused pointers */
#if IS_ENABLED(CONFIG_DIMM_DDR3)
for (i = 0; i < MAX_NODES_SUPPORTED; i++) {
mem_info->dct_stat[i].C_MCTPtr = NULL;
mem_info->dct_stat[i].C_DCTPtr[0] = NULL;
mem_info->dct_stat[i].C_DCTPtr[1] = NULL;
}
#endif
}
}
|
