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1/*
2 * Copyright 2018 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23#include <linux/firmware.h>
24#include <linux/module.h>
25#include <linux/vmalloc.h>
26#include <drm/drm_drv.h>
27
28#include "amdgpu.h"
29#include "amdgpu_psp.h"
30#include "amdgpu_ras.h"
31#include "amdgpu_ucode.h"
32#include "soc15_common.h"
33#include "psp_v11_0.h"
34
35#include "mp/mp_11_0_offset.h"
36#include "mp/mp_11_0_sh_mask.h"
37#include "gc/gc_9_0_offset.h"
38#include "sdma0/sdma0_4_0_offset.h"
39#include "nbio/nbio_7_4_offset.h"
40
41#include "oss/osssys_4_0_offset.h"
42#include "oss/osssys_4_0_sh_mask.h"
43
44MODULE_FIRMWARE("amdgpu/vega20_sos.bin");
45MODULE_FIRMWARE("amdgpu/vega20_asd.bin");
46MODULE_FIRMWARE("amdgpu/vega20_ta.bin");
47MODULE_FIRMWARE("amdgpu/navi10_sos.bin");
48MODULE_FIRMWARE("amdgpu/navi10_asd.bin");
49MODULE_FIRMWARE("amdgpu/navi10_ta.bin");
50MODULE_FIRMWARE("amdgpu/navi14_sos.bin");
51MODULE_FIRMWARE("amdgpu/navi14_asd.bin");
52MODULE_FIRMWARE("amdgpu/navi14_ta.bin");
53MODULE_FIRMWARE("amdgpu/navi12_sos.bin");
54MODULE_FIRMWARE("amdgpu/navi12_asd.bin");
55MODULE_FIRMWARE("amdgpu/navi12_ta.bin");
56MODULE_FIRMWARE("amdgpu/arcturus_sos.bin");
57MODULE_FIRMWARE("amdgpu/arcturus_asd.bin");
58MODULE_FIRMWARE("amdgpu/arcturus_ta.bin");
59MODULE_FIRMWARE("amdgpu/sienna_cichlid_sos.bin");
60MODULE_FIRMWARE("amdgpu/sienna_cichlid_ta.bin");
61MODULE_FIRMWARE("amdgpu/navy_flounder_sos.bin");
62MODULE_FIRMWARE("amdgpu/navy_flounder_ta.bin");
63MODULE_FIRMWARE("amdgpu/vangogh_asd.bin");
64MODULE_FIRMWARE("amdgpu/vangogh_toc.bin");
65MODULE_FIRMWARE("amdgpu/dimgrey_cavefish_sos.bin");
66MODULE_FIRMWARE("amdgpu/dimgrey_cavefish_ta.bin");
67MODULE_FIRMWARE("amdgpu/beige_goby_sos.bin");
68MODULE_FIRMWARE("amdgpu/beige_goby_ta.bin");
69
70/* address block */
71#define smnMP1_FIRMWARE_FLAGS 0x3010024
72/* navi10 reg offset define */
73#define mmRLC_GPM_UCODE_ADDR_NV10 0x5b61
74#define mmRLC_GPM_UCODE_DATA_NV10 0x5b62
75#define mmSDMA0_UCODE_ADDR_NV10 0x5880
76#define mmSDMA0_UCODE_DATA_NV10 0x5881
77/* memory training timeout define */
78#define MEM_TRAIN_SEND_MSG_TIMEOUT_US 3000000
79
80/* For large FW files the time to complete can be very long */
81#define USBC_PD_POLLING_LIMIT_S 240
82
83static int psp_v11_0_init_microcode(struct psp_context *psp)
84{
85 struct amdgpu_device *adev = psp->adev;
86 const char *chip_name;
87 char fw_name[PSP_FW_NAME_LEN];
88 int err = 0;
89 const struct ta_firmware_header_v1_0 *ta_hdr;
90
91 DRM_DEBUG("\n");
92
93 switch (adev->asic_type) {
94 case CHIP_VEGA20:
95 chip_name = "vega20";
96 break;
97 case CHIP_NAVI10:
98 chip_name = "navi10";
99 break;
100 case CHIP_NAVI14:
101 chip_name = "navi14";
102 break;
103 case CHIP_NAVI12:
104 chip_name = "navi12";
105 break;
106 case CHIP_ARCTURUS:
107 chip_name = "arcturus";
108 break;
109 case CHIP_SIENNA_CICHLID:
110 chip_name = "sienna_cichlid";
111 break;
112 case CHIP_NAVY_FLOUNDER:
113 chip_name = "navy_flounder";
114 break;
115 case CHIP_VANGOGH:
116 chip_name = "vangogh";
117 break;
118 case CHIP_DIMGREY_CAVEFISH:
119 chip_name = "dimgrey_cavefish";
120 break;
121 case CHIP_BEIGE_GOBY:
122 chip_name = "beige_goby";
123 break;
124 default:
125 BUG();
126 }
127
128
129 switch (adev->asic_type) {
130 case CHIP_VEGA20:
131 case CHIP_ARCTURUS:
132 err = psp_init_sos_microcode(psp, chip_name);
133 if (err)
134 return err;
135 err = psp_init_asd_microcode(psp, chip_name);
136 if (err)
137 return err;
138 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name);
139 err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev);
140 if (err) {
141 release_firmware(adev->psp.ta_fw);
142 adev->psp.ta_fw = NULL;
143 dev_info(adev->dev,
144 "psp v11.0: Failed to load firmware \"%s\"\n", fw_name);
145 } else {
146 err = amdgpu_ucode_validate(adev->psp.ta_fw);
147 if (err)
148 goto out2;
149
150 ta_hdr = (const struct ta_firmware_header_v1_0 *)adev->psp.ta_fw->data;
151 adev->psp.ta_xgmi_ucode_version = le32_to_cpu(ta_hdr->ta_xgmi_ucode_version);
152 adev->psp.ta_xgmi_ucode_size = le32_to_cpu(ta_hdr->ta_xgmi_size_bytes);
153 adev->psp.ta_xgmi_start_addr = (uint8_t *)ta_hdr +
154 le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes);
155 adev->psp.ta_fw_version = le32_to_cpu(ta_hdr->header.ucode_version);
156 adev->psp.ta_ras_ucode_version = le32_to_cpu(ta_hdr->ta_ras_ucode_version);
157 adev->psp.ta_ras_ucode_size = le32_to_cpu(ta_hdr->ta_ras_size_bytes);
158 adev->psp.ta_ras_start_addr = (uint8_t *)adev->psp.ta_xgmi_start_addr +
159 le32_to_cpu(ta_hdr->ta_ras_offset_bytes);
160 }
161 break;
162 case CHIP_NAVI10:
163 case CHIP_NAVI14:
164 case CHIP_NAVI12:
165 err = psp_init_sos_microcode(psp, chip_name);
166 if (err)
167 return err;
168 err = psp_init_asd_microcode(psp, chip_name);
169 if (err)
170 return err;
171 if (amdgpu_sriov_vf(adev))
172 break;
173 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name);
174 err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev);
175 if (err) {
176 release_firmware(adev->psp.ta_fw);
177 adev->psp.ta_fw = NULL;
178 dev_info(adev->dev,
179 "psp v11.0: Failed to load firmware \"%s\"\n", fw_name);
180 } else {
181 err = amdgpu_ucode_validate(adev->psp.ta_fw);
182 if (err)
183 goto out2;
184
185 ta_hdr = (const struct ta_firmware_header_v1_0 *)adev->psp.ta_fw->data;
186 adev->psp.ta_hdcp_ucode_version = le32_to_cpu(ta_hdr->ta_hdcp_ucode_version);
187 adev->psp.ta_hdcp_ucode_size = le32_to_cpu(ta_hdr->ta_hdcp_size_bytes);
188 adev->psp.ta_hdcp_start_addr = (uint8_t *)ta_hdr +
189 le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes);
190
191 adev->psp.ta_fw_version = le32_to_cpu(ta_hdr->header.ucode_version);
192
193 adev->psp.ta_dtm_ucode_version = le32_to_cpu(ta_hdr->ta_dtm_ucode_version);
194 adev->psp.ta_dtm_ucode_size = le32_to_cpu(ta_hdr->ta_dtm_size_bytes);
195 adev->psp.ta_dtm_start_addr = (uint8_t *)adev->psp.ta_hdcp_start_addr +
196 le32_to_cpu(ta_hdr->ta_dtm_offset_bytes);
197 }
198 break;
199 case CHIP_SIENNA_CICHLID:
200 case CHIP_NAVY_FLOUNDER:
201 case CHIP_DIMGREY_CAVEFISH:
202 err = psp_init_sos_microcode(psp, chip_name);
203 if (err)
204 return err;
205 err = psp_init_ta_microcode(psp, chip_name);
206 if (err)
207 return err;
208 break;
209 case CHIP_BEIGE_GOBY:
210 err = psp_init_sos_microcode(psp, chip_name);
211 if (err)
212 return err;
213 err = psp_init_ta_microcode(psp, chip_name);
214 if (err)
215 return err;
216 break;
217 case CHIP_VANGOGH:
218 err = psp_init_asd_microcode(psp, chip_name);
219 if (err)
220 return err;
221 err = psp_init_toc_microcode(psp, chip_name);
222 if (err)
223 return err;
224 break;
225 default:
226 BUG();
227 }
228
229 return 0;
230
231out2:
232 release_firmware(adev->psp.ta_fw);
233 adev->psp.ta_fw = NULL;
234 return err;
235}
236
237static int psp_v11_0_wait_for_bootloader(struct psp_context *psp)
238{
239 struct amdgpu_device *adev = psp->adev;
240
241 int ret;
242 int retry_loop;
243
244 for (retry_loop = 0; retry_loop < 10; retry_loop++) {
245 /* Wait for bootloader to signify that is
246 ready having bit 31 of C2PMSG_35 set to 1 */
247 ret = psp_wait_for(psp,
248 SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
249 0x80000000,
250 0x80000000,
251 false);
252
253 if (ret == 0)
254 return 0;
255 }
256
257 return ret;
258}
259
260static bool psp_v11_0_is_sos_alive(struct psp_context *psp)
261{
262 struct amdgpu_device *adev = psp->adev;
263 uint32_t sol_reg;
264
265 sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
266
267 return sol_reg != 0x0;
268}
269
270static int psp_v11_0_bootloader_load_kdb(struct psp_context *psp)
271{
272 int ret;
273 uint32_t psp_gfxdrv_command_reg = 0;
274 struct amdgpu_device *adev = psp->adev;
275
276 /* Check tOS sign of life register to confirm sys driver and sOS
277 * are already been loaded.
278 */
279 if (psp_v11_0_is_sos_alive(psp))
280 return 0;
281
282 ret = psp_v11_0_wait_for_bootloader(psp);
283 if (ret)
284 return ret;
285
286 /* Copy PSP KDB binary to memory */
287 psp_copy_fw(psp, psp->kdb_start_addr, psp->kdb_bin_size);
288
289 /* Provide the PSP KDB to bootloader */
290 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
291 (uint32_t)(psp->fw_pri_mc_addr >> 20));
292 psp_gfxdrv_command_reg = PSP_BL__LOAD_KEY_DATABASE;
293 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
294 psp_gfxdrv_command_reg);
295
296 ret = psp_v11_0_wait_for_bootloader(psp);
297
298 return ret;
299}
300
301static int psp_v11_0_bootloader_load_spl(struct psp_context *psp)
302{
303 int ret;
304 uint32_t psp_gfxdrv_command_reg = 0;
305 struct amdgpu_device *adev = psp->adev;
306
307 /* Check tOS sign of life register to confirm sys driver and sOS
308 * are already been loaded.
309 */
310 if (psp_v11_0_is_sos_alive(psp))
311 return 0;
312
313 ret = psp_v11_0_wait_for_bootloader(psp);
314 if (ret)
315 return ret;
316
317 /* Copy PSP SPL binary to memory */
318 psp_copy_fw(psp, psp->spl_start_addr, psp->spl_bin_size);
319
320 /* Provide the PSP SPL to bootloader */
321 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
322 (uint32_t)(psp->fw_pri_mc_addr >> 20));
323 psp_gfxdrv_command_reg = PSP_BL__LOAD_TOS_SPL_TABLE;
324 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
325 psp_gfxdrv_command_reg);
326
327 ret = psp_v11_0_wait_for_bootloader(psp);
328
329 return ret;
330}
331
332static int psp_v11_0_bootloader_load_sysdrv(struct psp_context *psp)
333{
334 int ret;
335 uint32_t psp_gfxdrv_command_reg = 0;
336 struct amdgpu_device *adev = psp->adev;
337
338 /* Check sOS sign of life register to confirm sys driver and sOS
339 * are already been loaded.
340 */
341 if (psp_v11_0_is_sos_alive(psp))
342 return 0;
343
344 ret = psp_v11_0_wait_for_bootloader(psp);
345 if (ret)
346 return ret;
347
348 /* Copy PSP System Driver binary to memory */
349 psp_copy_fw(psp, psp->sys_start_addr, psp->sys_bin_size);
350
351 /* Provide the sys driver to bootloader */
352 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
353 (uint32_t)(psp->fw_pri_mc_addr >> 20));
354 psp_gfxdrv_command_reg = PSP_BL__LOAD_SYSDRV;
355 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
356 psp_gfxdrv_command_reg);
357
358 /* there might be handshake issue with hardware which needs delay */
359 mdelay(20);
360
361 ret = psp_v11_0_wait_for_bootloader(psp);
362
363 return ret;
364}
365
366static int psp_v11_0_bootloader_load_sos(struct psp_context *psp)
367{
368 int ret;
369 unsigned int psp_gfxdrv_command_reg = 0;
370 struct amdgpu_device *adev = psp->adev;
371
372 /* Check sOS sign of life register to confirm sys driver and sOS
373 * are already been loaded.
374 */
375 if (psp_v11_0_is_sos_alive(psp))
376 return 0;
377
378 ret = psp_v11_0_wait_for_bootloader(psp);
379 if (ret)
380 return ret;
381
382 /* Copy Secure OS binary to PSP memory */
383 psp_copy_fw(psp, psp->sos_start_addr, psp->sos_bin_size);
384
385 /* Provide the PSP secure OS to bootloader */
386 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
387 (uint32_t)(psp->fw_pri_mc_addr >> 20));
388 psp_gfxdrv_command_reg = PSP_BL__LOAD_SOSDRV;
389 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
390 psp_gfxdrv_command_reg);
391
392 /* there might be handshake issue with hardware which needs delay */
393 mdelay(20);
394 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81),
395 RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81),
396 0, true);
397
398 return ret;
399}
400
401static int psp_v11_0_ring_init(struct psp_context *psp,
402 enum psp_ring_type ring_type)
403{
404 int ret = 0;
405 struct psp_ring *ring;
406 struct amdgpu_device *adev = psp->adev;
407
408 ring = &psp->km_ring;
409
410 ring->ring_type = ring_type;
411
412 /* allocate 4k Page of Local Frame Buffer memory for ring */
413 ring->ring_size = 0x1000;
414 ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
415 AMDGPU_GEM_DOMAIN_VRAM,
416 &adev->firmware.rbuf,
417 &ring->ring_mem_mc_addr,
418 (void **)&ring->ring_mem);
419 if (ret) {
420 ring->ring_size = 0;
421 return ret;
422 }
423
424 return 0;
425}
426
427static int psp_v11_0_ring_stop(struct psp_context *psp,
428 enum psp_ring_type ring_type)
429{
430 int ret = 0;
431 struct amdgpu_device *adev = psp->adev;
432
433 /* Write the ring destroy command*/
434 if (amdgpu_sriov_vf(adev))
435 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
436 GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
437 else
438 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64,
439 GFX_CTRL_CMD_ID_DESTROY_RINGS);
440
441 /* there might be handshake issue with hardware which needs delay */
442 mdelay(20);
443
444 /* Wait for response flag (bit 31) */
445 if (amdgpu_sriov_vf(adev))
446 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
447 0x80000000, 0x80000000, false);
448 else
449 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
450 0x80000000, 0x80000000, false);
451
452 return ret;
453}
454
455static int psp_v11_0_ring_create(struct psp_context *psp,
456 enum psp_ring_type ring_type)
457{
458 int ret = 0;
459 unsigned int psp_ring_reg = 0;
460 struct psp_ring *ring = &psp->km_ring;
461 struct amdgpu_device *adev = psp->adev;
462
463 if (amdgpu_sriov_vf(adev)) {
464 ring->ring_wptr = 0;
465 ret = psp_v11_0_ring_stop(psp, ring_type);
466 if (ret) {
467 DRM_ERROR("psp_v11_0_ring_stop_sriov failed!\n");
468 return ret;
469 }
470
471 /* Write low address of the ring to C2PMSG_102 */
472 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
473 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_ring_reg);
474 /* Write high address of the ring to C2PMSG_103 */
475 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
476 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_103, psp_ring_reg);
477
478 /* Write the ring initialization command to C2PMSG_101 */
479 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
480 GFX_CTRL_CMD_ID_INIT_GPCOM_RING);
481
482 /* there might be handshake issue with hardware which needs delay */
483 mdelay(20);
484
485 /* Wait for response flag (bit 31) in C2PMSG_101 */
486 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
487 0x80000000, 0x8000FFFF, false);
488
489 } else {
490 /* Wait for sOS ready for ring creation */
491 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
492 0x80000000, 0x80000000, false);
493 if (ret) {
494 DRM_ERROR("Failed to wait for sOS ready for ring creation\n");
495 return ret;
496 }
497
498 /* Write low address of the ring to C2PMSG_69 */
499 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
500 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
501 /* Write high address of the ring to C2PMSG_70 */
502 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
503 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
504 /* Write size of ring to C2PMSG_71 */
505 psp_ring_reg = ring->ring_size;
506 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
507 /* Write the ring initialization command to C2PMSG_64 */
508 psp_ring_reg = ring_type;
509 psp_ring_reg = psp_ring_reg << 16;
510 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
511
512 /* there might be handshake issue with hardware which needs delay */
513 mdelay(20);
514
515 /* Wait for response flag (bit 31) in C2PMSG_64 */
516 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
517 0x80000000, 0x8000FFFF, false);
518 }
519
520 return ret;
521}
522
523
524static int psp_v11_0_ring_destroy(struct psp_context *psp,
525 enum psp_ring_type ring_type)
526{
527 int ret = 0;
528 struct psp_ring *ring = &psp->km_ring;
529 struct amdgpu_device *adev = psp->adev;
530
531 ret = psp_v11_0_ring_stop(psp, ring_type);
532 if (ret)
533 DRM_ERROR("Fail to stop psp ring\n");
534
535 amdgpu_bo_free_kernel(&adev->firmware.rbuf,
536 &ring->ring_mem_mc_addr,
537 (void **)&ring->ring_mem);
538
539 return ret;
540}
541
542static int psp_v11_0_mode1_reset(struct psp_context *psp)
543{
544 int ret;
545 uint32_t offset;
546 struct amdgpu_device *adev = psp->adev;
547
548 offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64);
549
550 ret = psp_wait_for(psp, offset, 0x80000000, 0x8000FFFF, false);
551
552 if (ret) {
553 DRM_INFO("psp is not working correctly before mode1 reset!\n");
554 return -EINVAL;
555 }
556
557 /*send the mode 1 reset command*/
558 WREG32(offset, GFX_CTRL_CMD_ID_MODE1_RST);
559
560 msleep(500);
561
562 offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_33);
563
564 ret = psp_wait_for(psp, offset, 0x80000000, 0x80000000, false);
565
566 if (ret) {
567 DRM_INFO("psp mode 1 reset failed!\n");
568 return -EINVAL;
569 }
570
571 DRM_INFO("psp mode1 reset succeed \n");
572
573 return 0;
574}
575
576static int psp_v11_0_memory_training_send_msg(struct psp_context *psp, int msg)
577{
578 int ret;
579 int i;
580 uint32_t data_32;
581 int max_wait;
582 struct amdgpu_device *adev = psp->adev;
583
584 data_32 = (psp->mem_train_ctx.c2p_train_data_offset >> 20);
585 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, data_32);
586 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, msg);
587
588 max_wait = MEM_TRAIN_SEND_MSG_TIMEOUT_US / adev->usec_timeout;
589 for (i = 0; i < max_wait; i++) {
590 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
591 0x80000000, 0x80000000, false);
592 if (ret == 0)
593 break;
594 }
595 if (i < max_wait)
596 ret = 0;
597 else
598 ret = -ETIME;
599
600 DRM_DEBUG("training %s %s, cost %d @ %d ms\n",
601 (msg == PSP_BL__DRAM_SHORT_TRAIN) ? "short" : "long",
602 (ret == 0) ? "succeed" : "failed",
603 i, adev->usec_timeout/1000);
604 return ret;
605}
606
607/*
608 * save and restore process
609 */
610static int psp_v11_0_memory_training(struct psp_context *psp, uint32_t ops)
611{
612 struct psp_memory_training_context *ctx = &psp->mem_train_ctx;
613 uint32_t *pcache = (uint32_t *)ctx->sys_cache;
614 struct amdgpu_device *adev = psp->adev;
615 uint32_t p2c_header[4];
616 uint32_t sz;
617 void *buf;
618 int ret, idx;
619
620 if (ctx->init == PSP_MEM_TRAIN_NOT_SUPPORT) {
621 DRM_DEBUG("Memory training is not supported.\n");
622 return 0;
623 } else if (ctx->init != PSP_MEM_TRAIN_INIT_SUCCESS) {
624 DRM_ERROR("Memory training initialization failure.\n");
625 return -EINVAL;
626 }
627
628 if (psp_v11_0_is_sos_alive(psp)) {
629 DRM_DEBUG("SOS is alive, skip memory training.\n");
630 return 0;
631 }
632
633 amdgpu_device_vram_access(adev, ctx->p2c_train_data_offset, p2c_header, sizeof(p2c_header), false);
634 DRM_DEBUG("sys_cache[%08x,%08x,%08x,%08x] p2c_header[%08x,%08x,%08x,%08x]\n",
635 pcache[0], pcache[1], pcache[2], pcache[3],
636 p2c_header[0], p2c_header[1], p2c_header[2], p2c_header[3]);
637
638 if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) {
639 DRM_DEBUG("Short training depends on restore.\n");
640 ops |= PSP_MEM_TRAIN_RESTORE;
641 }
642
643 if ((ops & PSP_MEM_TRAIN_RESTORE) &&
644 pcache[0] != MEM_TRAIN_SYSTEM_SIGNATURE) {
645 DRM_DEBUG("sys_cache[0] is invalid, restore depends on save.\n");
646 ops |= PSP_MEM_TRAIN_SAVE;
647 }
648
649 if (p2c_header[0] == MEM_TRAIN_SYSTEM_SIGNATURE &&
650 !(pcache[0] == MEM_TRAIN_SYSTEM_SIGNATURE &&
651 pcache[3] == p2c_header[3])) {
652 DRM_DEBUG("sys_cache is invalid or out-of-date, need save training data to sys_cache.\n");
653 ops |= PSP_MEM_TRAIN_SAVE;
654 }
655
656 if ((ops & PSP_MEM_TRAIN_SAVE) &&
657 p2c_header[0] != MEM_TRAIN_SYSTEM_SIGNATURE) {
658 DRM_DEBUG("p2c_header[0] is invalid, save depends on long training.\n");
659 ops |= PSP_MEM_TRAIN_SEND_LONG_MSG;
660 }
661
662 if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) {
663 ops &= ~PSP_MEM_TRAIN_SEND_SHORT_MSG;
664 ops |= PSP_MEM_TRAIN_SAVE;
665 }
666
667 DRM_DEBUG("Memory training ops:%x.\n", ops);
668
669 if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) {
670 /*
671 * Long training will encroach a certain amount on the bottom of VRAM;
672 * save the content from the bottom of VRAM to system memory
673 * before training, and restore it after training to avoid
674 * VRAM corruption.
675 */
676 sz = GDDR6_MEM_TRAINING_ENCROACHED_SIZE;
677
678 if (adev->gmc.visible_vram_size < sz || !adev->mman.aper_base_kaddr) {
679 DRM_ERROR("visible_vram_size %llx or aper_base_kaddr %p is not initialized.\n",
680 adev->gmc.visible_vram_size,
681 adev->mman.aper_base_kaddr);
682 return -EINVAL;
683 }
684
685 buf = vmalloc(sz);
686 if (!buf) {
687 DRM_ERROR("failed to allocate system memory.\n");
688 return -ENOMEM;
689 }
690
691 if (drm_dev_enter(&adev->ddev, &idx)) {
692 memcpy_fromio(buf, adev->mman.aper_base_kaddr, sz);
693 ret = psp_v11_0_memory_training_send_msg(psp, PSP_BL__DRAM_LONG_TRAIN);
694 if (ret) {
695 DRM_ERROR("Send long training msg failed.\n");
696 vfree(buf);
697 drm_dev_exit(idx);
698 return ret;
699 }
700
701 memcpy_toio(adev->mman.aper_base_kaddr, buf, sz);
702 adev->hdp.funcs->flush_hdp(adev, NULL);
703 vfree(buf);
704 drm_dev_exit(idx);
705 } else {
706 vfree(buf);
707 return -ENODEV;
708 }
709 }
710
711 if (ops & PSP_MEM_TRAIN_SAVE) {
712 amdgpu_device_vram_access(psp->adev, ctx->p2c_train_data_offset, ctx->sys_cache, ctx->train_data_size, false);
713 }
714
715 if (ops & PSP_MEM_TRAIN_RESTORE) {
716 amdgpu_device_vram_access(psp->adev, ctx->c2p_train_data_offset, ctx->sys_cache, ctx->train_data_size, true);
717 }
718
719 if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) {
720 ret = psp_v11_0_memory_training_send_msg(psp, (amdgpu_force_long_training > 0) ?
721 PSP_BL__DRAM_LONG_TRAIN : PSP_BL__DRAM_SHORT_TRAIN);
722 if (ret) {
723 DRM_ERROR("send training msg failed.\n");
724 return ret;
725 }
726 }
727 ctx->training_cnt++;
728 return 0;
729}
730
731static uint32_t psp_v11_0_ring_get_wptr(struct psp_context *psp)
732{
733 uint32_t data;
734 struct amdgpu_device *adev = psp->adev;
735
736 if (amdgpu_sriov_vf(adev))
737 data = psp->km_ring.ring_wptr;
738 else
739 data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
740
741 return data;
742}
743
744static void psp_v11_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
745{
746 struct amdgpu_device *adev = psp->adev;
747
748 if (amdgpu_sriov_vf(adev)) {
749 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value);
750 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD);
751 psp->km_ring.ring_wptr = value;
752 } else
753 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
754}
755
756static int psp_v11_0_load_usbc_pd_fw(struct psp_context *psp, dma_addr_t dma_addr)
757{
758 struct amdgpu_device *adev = psp->adev;
759 uint32_t reg_status;
760 int ret, i = 0;
761
762 /* Write lower 32-bit address of the PD Controller FW */
763 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, lower_32_bits(dma_addr));
764 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
765 0x80000000, 0x80000000, false);
766 if (ret)
767 return ret;
768
769 /* Fireup interrupt so PSP can pick up the lower address */
770 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, 0x800000);
771 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
772 0x80000000, 0x80000000, false);
773 if (ret)
774 return ret;
775
776 reg_status = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35);
777
778 if ((reg_status & 0xFFFF) != 0) {
779 DRM_ERROR("Lower address load failed - MP0_SMN_C2PMSG_35.Bits [15:0] = %02x...\n",
780 reg_status & 0xFFFF);
781 return -EIO;
782 }
783
784 /* Write upper 32-bit address of the PD Controller FW */
785 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, upper_32_bits(dma_addr));
786
787 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
788 0x80000000, 0x80000000, false);
789 if (ret)
790 return ret;
791
792 /* Fireup interrupt so PSP can pick up the upper address */
793 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, 0x4000000);
794
795 /* FW load takes very long time */
796 do {
797 msleep(1000);
798 reg_status = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35);
799
800 if (reg_status & 0x80000000)
801 goto done;
802
803 } while (++i < USBC_PD_POLLING_LIMIT_S);
804
805 return -ETIME;
806done:
807
808 if ((reg_status & 0xFFFF) != 0) {
809 DRM_ERROR("Upper address load failed - MP0_SMN_C2PMSG_35.Bits [15:0] = x%04x\n",
810 reg_status & 0xFFFF);
811 return -EIO;
812 }
813
814 return 0;
815}
816
817static int psp_v11_0_read_usbc_pd_fw(struct psp_context *psp, uint32_t *fw_ver)
818{
819 struct amdgpu_device *adev = psp->adev;
820 int ret;
821
822 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, C2PMSG_CMD_GFX_USB_PD_FW_VER);
823
824 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
825 0x80000000, 0x80000000, false);
826 if (!ret)
827 *fw_ver = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36);
828
829 return ret;
830}
831
832static const struct psp_funcs psp_v11_0_funcs = {
833 .init_microcode = psp_v11_0_init_microcode,
834 .bootloader_load_kdb = psp_v11_0_bootloader_load_kdb,
835 .bootloader_load_spl = psp_v11_0_bootloader_load_spl,
836 .bootloader_load_sysdrv = psp_v11_0_bootloader_load_sysdrv,
837 .bootloader_load_sos = psp_v11_0_bootloader_load_sos,
838 .ring_init = psp_v11_0_ring_init,
839 .ring_create = psp_v11_0_ring_create,
840 .ring_stop = psp_v11_0_ring_stop,
841 .ring_destroy = psp_v11_0_ring_destroy,
842 .mode1_reset = psp_v11_0_mode1_reset,
843 .mem_training = psp_v11_0_memory_training,
844 .ring_get_wptr = psp_v11_0_ring_get_wptr,
845 .ring_set_wptr = psp_v11_0_ring_set_wptr,
846 .load_usbc_pd_fw = psp_v11_0_load_usbc_pd_fw,
847 .read_usbc_pd_fw = psp_v11_0_read_usbc_pd_fw
848};
849
850void psp_v11_0_set_psp_funcs(struct psp_context *psp)
851{
852 psp->funcs = &psp_v11_0_funcs;
853}