Loading...
1/*
2 * Copyright 2023 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 <drm/drm_drv.h>
24#include <linux/vmalloc.h>
25#include "amdgpu.h"
26#include "amdgpu_psp.h"
27#include "amdgpu_ucode.h"
28#include "soc15_common.h"
29#include "psp_v14_0.h"
30
31#include "mp/mp_14_0_2_offset.h"
32#include "mp/mp_14_0_2_sh_mask.h"
33
34MODULE_FIRMWARE("amdgpu/psp_14_0_2_sos.bin");
35MODULE_FIRMWARE("amdgpu/psp_14_0_3_sos.bin");
36
37/* For large FW files the time to complete can be very long */
38#define USBC_PD_POLLING_LIMIT_S 240
39
40/* Read USB-PD from LFB */
41#define GFX_CMD_USB_PD_USE_LFB 0x480
42
43/* VBIOS gfl defines */
44#define MBOX_READY_MASK 0x80000000
45#define MBOX_STATUS_MASK 0x0000FFFF
46#define MBOX_COMMAND_MASK 0x00FF0000
47#define MBOX_READY_FLAG 0x80000000
48#define C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_LO 0x2
49#define C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_HI 0x3
50#define C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE 0x4
51
52/* memory training timeout define */
53#define MEM_TRAIN_SEND_MSG_TIMEOUT_US 3000000
54
55static int psp_v14_0_init_microcode(struct psp_context *psp)
56{
57 struct amdgpu_device *adev = psp->adev;
58 char ucode_prefix[30];
59 int err = 0;
60
61 amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
62
63 switch (amdgpu_ip_version(adev, MP0_HWIP, 0)) {
64 case IP_VERSION(14, 0, 2):
65 case IP_VERSION(14, 0, 3):
66 err = psp_init_sos_microcode(psp, ucode_prefix);
67 if (err)
68 return err;
69 break;
70 default:
71 BUG();
72 }
73
74 return 0;
75}
76
77static bool psp_v14_0_is_sos_alive(struct psp_context *psp)
78{
79 struct amdgpu_device *adev = psp->adev;
80 uint32_t sol_reg;
81
82 sol_reg = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_81);
83
84 return sol_reg != 0x0;
85}
86
87static int psp_v14_0_wait_for_bootloader(struct psp_context *psp)
88{
89 struct amdgpu_device *adev = psp->adev;
90
91 int ret;
92 int retry_loop;
93
94 for (retry_loop = 0; retry_loop < 10; retry_loop++) {
95 /* Wait for bootloader to signify that is
96 ready having bit 31 of C2PMSG_35 set to 1 */
97 ret = psp_wait_for(psp,
98 SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_35),
99 0x80000000,
100 0x80000000,
101 false);
102
103 if (ret == 0)
104 return 0;
105 }
106
107 return ret;
108}
109
110static int psp_v14_0_bootloader_load_component(struct psp_context *psp,
111 struct psp_bin_desc *bin_desc,
112 enum psp_bootloader_cmd bl_cmd)
113{
114 int ret;
115 uint32_t psp_gfxdrv_command_reg = 0;
116 struct amdgpu_device *adev = psp->adev;
117
118 /* Check tOS sign of life register to confirm sys driver and sOS
119 * are already been loaded.
120 */
121 if (psp_v14_0_is_sos_alive(psp))
122 return 0;
123
124 ret = psp_v14_0_wait_for_bootloader(psp);
125 if (ret)
126 return ret;
127
128 memset(psp->fw_pri_buf, 0, PSP_1_MEG);
129
130 /* Copy PSP KDB binary to memory */
131 memcpy(psp->fw_pri_buf, bin_desc->start_addr, bin_desc->size_bytes);
132
133 /* Provide the PSP KDB to bootloader */
134 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_36,
135 (uint32_t)(psp->fw_pri_mc_addr >> 20));
136 psp_gfxdrv_command_reg = bl_cmd;
137 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_35,
138 psp_gfxdrv_command_reg);
139
140 ret = psp_v14_0_wait_for_bootloader(psp);
141
142 return ret;
143}
144
145static int psp_v14_0_bootloader_load_kdb(struct psp_context *psp)
146{
147 return psp_v14_0_bootloader_load_component(psp, &psp->kdb, PSP_BL__LOAD_KEY_DATABASE);
148}
149
150static int psp_v14_0_bootloader_load_spl(struct psp_context *psp)
151{
152 return psp_v14_0_bootloader_load_component(psp, &psp->kdb, PSP_BL__LOAD_TOS_SPL_TABLE);
153}
154
155static int psp_v14_0_bootloader_load_sysdrv(struct psp_context *psp)
156{
157 return psp_v14_0_bootloader_load_component(psp, &psp->sys, PSP_BL__LOAD_SYSDRV);
158}
159
160static int psp_v14_0_bootloader_load_soc_drv(struct psp_context *psp)
161{
162 return psp_v14_0_bootloader_load_component(psp, &psp->soc_drv, PSP_BL__LOAD_SOCDRV);
163}
164
165static int psp_v14_0_bootloader_load_intf_drv(struct psp_context *psp)
166{
167 return psp_v14_0_bootloader_load_component(psp, &psp->intf_drv, PSP_BL__LOAD_INTFDRV);
168}
169
170static int psp_v14_0_bootloader_load_dbg_drv(struct psp_context *psp)
171{
172 return psp_v14_0_bootloader_load_component(psp, &psp->dbg_drv, PSP_BL__LOAD_DBGDRV);
173}
174
175static int psp_v14_0_bootloader_load_ras_drv(struct psp_context *psp)
176{
177 return psp_v14_0_bootloader_load_component(psp, &psp->ras_drv, PSP_BL__LOAD_RASDRV);
178}
179
180
181static int psp_v14_0_bootloader_load_sos(struct psp_context *psp)
182{
183 int ret;
184 unsigned int psp_gfxdrv_command_reg = 0;
185 struct amdgpu_device *adev = psp->adev;
186
187 /* Check sOS sign of life register to confirm sys driver and sOS
188 * are already been loaded.
189 */
190 if (psp_v14_0_is_sos_alive(psp))
191 return 0;
192
193 ret = psp_v14_0_wait_for_bootloader(psp);
194 if (ret)
195 return ret;
196
197 memset(psp->fw_pri_buf, 0, PSP_1_MEG);
198
199 /* Copy Secure OS binary to PSP memory */
200 memcpy(psp->fw_pri_buf, psp->sos.start_addr, psp->sos.size_bytes);
201
202 /* Provide the PSP secure OS to bootloader */
203 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_36,
204 (uint32_t)(psp->fw_pri_mc_addr >> 20));
205 psp_gfxdrv_command_reg = PSP_BL__LOAD_SOSDRV;
206 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_35,
207 psp_gfxdrv_command_reg);
208
209 /* there might be handshake issue with hardware which needs delay */
210 mdelay(20);
211 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_81),
212 RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_81),
213 0, true);
214
215 return ret;
216}
217
218static int psp_v14_0_ring_stop(struct psp_context *psp,
219 enum psp_ring_type ring_type)
220{
221 int ret = 0;
222 struct amdgpu_device *adev = psp->adev;
223
224 if (amdgpu_sriov_vf(adev)) {
225 /* Write the ring destroy command*/
226 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_101,
227 GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
228 /* there might be handshake issue with hardware which needs delay */
229 mdelay(20);
230 /* Wait for response flag (bit 31) */
231 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_101),
232 0x80000000, 0x80000000, false);
233 } else {
234 /* Write the ring destroy command*/
235 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_64,
236 GFX_CTRL_CMD_ID_DESTROY_RINGS);
237 /* there might be handshake issue with hardware which needs delay */
238 mdelay(20);
239 /* Wait for response flag (bit 31) */
240 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_64),
241 0x80000000, 0x80000000, false);
242 }
243
244 return ret;
245}
246
247static int psp_v14_0_ring_create(struct psp_context *psp,
248 enum psp_ring_type ring_type)
249{
250 int ret = 0;
251 unsigned int psp_ring_reg = 0;
252 struct psp_ring *ring = &psp->km_ring;
253 struct amdgpu_device *adev = psp->adev;
254
255 if (amdgpu_sriov_vf(adev)) {
256 ret = psp_v14_0_ring_stop(psp, ring_type);
257 if (ret) {
258 DRM_ERROR("psp_v14_0_ring_stop_sriov failed!\n");
259 return ret;
260 }
261
262 /* Write low address of the ring to C2PMSG_102 */
263 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
264 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_102, psp_ring_reg);
265 /* Write high address of the ring to C2PMSG_103 */
266 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
267 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_103, psp_ring_reg);
268
269 /* Write the ring initialization command to C2PMSG_101 */
270 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_101,
271 GFX_CTRL_CMD_ID_INIT_GPCOM_RING);
272
273 /* there might be handshake issue with hardware which needs delay */
274 mdelay(20);
275
276 /* Wait for response flag (bit 31) in C2PMSG_101 */
277 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_101),
278 0x80000000, 0x8000FFFF, false);
279
280 } else {
281 /* Wait for sOS ready for ring creation */
282 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_64),
283 0x80000000, 0x80000000, false);
284 if (ret) {
285 DRM_ERROR("Failed to wait for trust OS ready for ring creation\n");
286 return ret;
287 }
288
289 /* Write low address of the ring to C2PMSG_69 */
290 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
291 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_69, psp_ring_reg);
292 /* Write high address of the ring to C2PMSG_70 */
293 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
294 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_70, psp_ring_reg);
295 /* Write size of ring to C2PMSG_71 */
296 psp_ring_reg = ring->ring_size;
297 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_71, psp_ring_reg);
298 /* Write the ring initialization command to C2PMSG_64 */
299 psp_ring_reg = ring_type;
300 psp_ring_reg = psp_ring_reg << 16;
301 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_64, psp_ring_reg);
302
303 /* there might be handshake issue with hardware which needs delay */
304 mdelay(20);
305
306 /* Wait for response flag (bit 31) in C2PMSG_64 */
307 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_64),
308 0x80000000, 0x8000FFFF, false);
309 }
310
311 return ret;
312}
313
314static int psp_v14_0_ring_destroy(struct psp_context *psp,
315 enum psp_ring_type ring_type)
316{
317 int ret = 0;
318 struct psp_ring *ring = &psp->km_ring;
319 struct amdgpu_device *adev = psp->adev;
320
321 ret = psp_v14_0_ring_stop(psp, ring_type);
322 if (ret)
323 DRM_ERROR("Fail to stop psp ring\n");
324
325 amdgpu_bo_free_kernel(&adev->firmware.rbuf,
326 &ring->ring_mem_mc_addr,
327 (void **)&ring->ring_mem);
328
329 return ret;
330}
331
332static uint32_t psp_v14_0_ring_get_wptr(struct psp_context *psp)
333{
334 uint32_t data;
335 struct amdgpu_device *adev = psp->adev;
336
337 if (amdgpu_sriov_vf(adev))
338 data = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_102);
339 else
340 data = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_67);
341
342 return data;
343}
344
345static void psp_v14_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
346{
347 struct amdgpu_device *adev = psp->adev;
348
349 if (amdgpu_sriov_vf(adev)) {
350 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_102, value);
351 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_101,
352 GFX_CTRL_CMD_ID_CONSUME_CMD);
353 } else
354 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_67, value);
355}
356
357static int psp_v14_0_memory_training_send_msg(struct psp_context *psp, int msg)
358{
359 int ret;
360 int i;
361 uint32_t data_32;
362 int max_wait;
363 struct amdgpu_device *adev = psp->adev;
364
365 data_32 = (psp->mem_train_ctx.c2p_train_data_offset >> 20);
366 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_36, data_32);
367 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_35, msg);
368
369 max_wait = MEM_TRAIN_SEND_MSG_TIMEOUT_US / adev->usec_timeout;
370 for (i = 0; i < max_wait; i++) {
371 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_35),
372 0x80000000, 0x80000000, false);
373 if (ret == 0)
374 break;
375 }
376 if (i < max_wait)
377 ret = 0;
378 else
379 ret = -ETIME;
380
381 dev_dbg(adev->dev, "training %s %s, cost %d @ %d ms\n",
382 (msg == PSP_BL__DRAM_SHORT_TRAIN) ? "short" : "long",
383 (ret == 0) ? "succeed" : "failed",
384 i, adev->usec_timeout/1000);
385 return ret;
386}
387
388
389static int psp_v14_0_memory_training(struct psp_context *psp, uint32_t ops)
390{
391 struct psp_memory_training_context *ctx = &psp->mem_train_ctx;
392 uint32_t *pcache = (uint32_t *)ctx->sys_cache;
393 struct amdgpu_device *adev = psp->adev;
394 uint32_t p2c_header[4];
395 uint32_t sz;
396 void *buf;
397 int ret, idx;
398
399 if (ctx->init == PSP_MEM_TRAIN_NOT_SUPPORT) {
400 dev_dbg(adev->dev, "Memory training is not supported.\n");
401 return 0;
402 } else if (ctx->init != PSP_MEM_TRAIN_INIT_SUCCESS) {
403 dev_err(adev->dev, "Memory training initialization failure.\n");
404 return -EINVAL;
405 }
406
407 if (psp_v14_0_is_sos_alive(psp)) {
408 dev_dbg(adev->dev, "SOS is alive, skip memory training.\n");
409 return 0;
410 }
411
412 amdgpu_device_vram_access(adev, ctx->p2c_train_data_offset, p2c_header, sizeof(p2c_header), false);
413 dev_dbg(adev->dev, "sys_cache[%08x,%08x,%08x,%08x] p2c_header[%08x,%08x,%08x,%08x]\n",
414 pcache[0], pcache[1], pcache[2], pcache[3],
415 p2c_header[0], p2c_header[1], p2c_header[2], p2c_header[3]);
416
417 if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) {
418 dev_dbg(adev->dev, "Short training depends on restore.\n");
419 ops |= PSP_MEM_TRAIN_RESTORE;
420 }
421
422 if ((ops & PSP_MEM_TRAIN_RESTORE) &&
423 pcache[0] != MEM_TRAIN_SYSTEM_SIGNATURE) {
424 dev_dbg(adev->dev, "sys_cache[0] is invalid, restore depends on save.\n");
425 ops |= PSP_MEM_TRAIN_SAVE;
426 }
427
428 if (p2c_header[0] == MEM_TRAIN_SYSTEM_SIGNATURE &&
429 !(pcache[0] == MEM_TRAIN_SYSTEM_SIGNATURE &&
430 pcache[3] == p2c_header[3])) {
431 dev_dbg(adev->dev, "sys_cache is invalid or out-of-date, need save training data to sys_cache.\n");
432 ops |= PSP_MEM_TRAIN_SAVE;
433 }
434
435 if ((ops & PSP_MEM_TRAIN_SAVE) &&
436 p2c_header[0] != MEM_TRAIN_SYSTEM_SIGNATURE) {
437 dev_dbg(adev->dev, "p2c_header[0] is invalid, save depends on long training.\n");
438 ops |= PSP_MEM_TRAIN_SEND_LONG_MSG;
439 }
440
441 if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) {
442 ops &= ~PSP_MEM_TRAIN_SEND_SHORT_MSG;
443 ops |= PSP_MEM_TRAIN_SAVE;
444 }
445
446 dev_dbg(adev->dev, "Memory training ops:%x.\n", ops);
447
448 if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) {
449 /*
450 * Long training will encroach a certain amount on the bottom of VRAM;
451 * save the content from the bottom of VRAM to system memory
452 * before training, and restore it after training to avoid
453 * VRAM corruption.
454 */
455 sz = BIST_MEM_TRAINING_ENCROACHED_SIZE;
456
457 if (adev->gmc.visible_vram_size < sz || !adev->mman.aper_base_kaddr) {
458 dev_err(adev->dev, "visible_vram_size %llx or aper_base_kaddr %p is not initialized.\n",
459 adev->gmc.visible_vram_size,
460 adev->mman.aper_base_kaddr);
461 return -EINVAL;
462 }
463
464 buf = vmalloc(sz);
465 if (!buf) {
466 dev_err(adev->dev, "failed to allocate system memory.\n");
467 return -ENOMEM;
468 }
469
470 if (drm_dev_enter(adev_to_drm(adev), &idx)) {
471 memcpy_fromio(buf, adev->mman.aper_base_kaddr, sz);
472 ret = psp_v14_0_memory_training_send_msg(psp, PSP_BL__DRAM_LONG_TRAIN);
473 if (ret) {
474 DRM_ERROR("Send long training msg failed.\n");
475 vfree(buf);
476 drm_dev_exit(idx);
477 return ret;
478 }
479
480 memcpy_toio(adev->mman.aper_base_kaddr, buf, sz);
481 adev->hdp.funcs->flush_hdp(adev, NULL);
482 vfree(buf);
483 drm_dev_exit(idx);
484 } else {
485 vfree(buf);
486 return -ENODEV;
487 }
488 }
489
490 if (ops & PSP_MEM_TRAIN_SAVE) {
491 amdgpu_device_vram_access(psp->adev, ctx->p2c_train_data_offset, ctx->sys_cache, ctx->train_data_size, false);
492 }
493
494 if (ops & PSP_MEM_TRAIN_RESTORE) {
495 amdgpu_device_vram_access(psp->adev, ctx->c2p_train_data_offset, ctx->sys_cache, ctx->train_data_size, true);
496 }
497
498 if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) {
499 ret = psp_v14_0_memory_training_send_msg(psp, (amdgpu_force_long_training > 0) ?
500 PSP_BL__DRAM_LONG_TRAIN : PSP_BL__DRAM_SHORT_TRAIN);
501 if (ret) {
502 dev_err(adev->dev, "send training msg failed.\n");
503 return ret;
504 }
505 }
506 ctx->training_cnt++;
507 return 0;
508}
509
510static int psp_v14_0_load_usbc_pd_fw(struct psp_context *psp, uint64_t fw_pri_mc_addr)
511{
512 struct amdgpu_device *adev = psp->adev;
513 uint32_t reg_status;
514 int ret, i = 0;
515
516 /*
517 * LFB address which is aligned to 1MB address and has to be
518 * right-shifted by 20 so that LFB address can be passed on a 32-bit C2P
519 * register
520 */
521 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_36, (fw_pri_mc_addr >> 20));
522
523 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_35),
524 0x80000000, 0x80000000, false);
525 if (ret)
526 return ret;
527
528 /* Fireup interrupt so PSP can pick up the address */
529 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_35, (GFX_CMD_USB_PD_USE_LFB << 16));
530
531 /* FW load takes very long time */
532 do {
533 msleep(1000);
534 reg_status = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_35);
535
536 if (reg_status & 0x80000000)
537 goto done;
538
539 } while (++i < USBC_PD_POLLING_LIMIT_S);
540
541 return -ETIME;
542done:
543
544 if ((reg_status & 0xFFFF) != 0) {
545 DRM_ERROR("Address load failed - MP0_SMN_C2PMSG_35.Bits [15:0] = %04x\n",
546 reg_status & 0xFFFF);
547 return -EIO;
548 }
549
550 return 0;
551}
552
553static int psp_v14_0_read_usbc_pd_fw(struct psp_context *psp, uint32_t *fw_ver)
554{
555 struct amdgpu_device *adev = psp->adev;
556 int ret;
557
558 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_35, C2PMSG_CMD_GFX_USB_PD_FW_VER);
559
560 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_35),
561 0x80000000, 0x80000000, false);
562 if (!ret)
563 *fw_ver = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_36);
564
565 return ret;
566}
567
568static int psp_v14_0_exec_spi_cmd(struct psp_context *psp, int cmd)
569{
570 uint32_t reg_status = 0, reg_val = 0;
571 struct amdgpu_device *adev = psp->adev;
572 int ret;
573
574 /* clear MBX ready (MBOX_READY_MASK bit is 0) and set update command */
575 reg_val |= (cmd << 16);
576 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_115, reg_val);
577
578 /* Ring the doorbell */
579 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_73, 1);
580
581 if (cmd == C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE)
582 ret = psp_wait_for_spirom_update(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_115),
583 MBOX_READY_FLAG, MBOX_READY_MASK, PSP_SPIROM_UPDATE_TIMEOUT);
584 else
585 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_115),
586 MBOX_READY_FLAG, MBOX_READY_MASK, false);
587
588 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_115),
589 MBOX_READY_FLAG, MBOX_READY_MASK, false);
590 if (ret) {
591 dev_err(adev->dev, "SPI cmd %x timed out, ret = %d", cmd, ret);
592 return ret;
593 }
594
595 reg_status = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_115);
596 if ((reg_status & 0xFFFF) != 0) {
597 dev_err(adev->dev, "SPI cmd %x failed, fail status = %04x\n",
598 cmd, reg_status & 0xFFFF);
599 return -EIO;
600 }
601
602 return 0;
603}
604
605static int psp_v14_0_update_spirom(struct psp_context *psp,
606 uint64_t fw_pri_mc_addr)
607{
608 struct amdgpu_device *adev = psp->adev;
609 int ret;
610
611 /* Confirm PSP is ready to start */
612 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_115),
613 MBOX_READY_FLAG, MBOX_READY_MASK, false);
614 if (ret) {
615 dev_err(adev->dev, "PSP Not ready to start processing, ret = %d", ret);
616 return ret;
617 }
618
619 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_116, lower_32_bits(fw_pri_mc_addr));
620
621 ret = psp_v14_0_exec_spi_cmd(psp, C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_LO);
622 if (ret)
623 return ret;
624
625 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_116, upper_32_bits(fw_pri_mc_addr));
626
627 ret = psp_v14_0_exec_spi_cmd(psp, C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_HI);
628 if (ret)
629 return ret;
630
631 psp->vbflash_done = true;
632
633 ret = psp_v14_0_exec_spi_cmd(psp, C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE);
634 if (ret)
635 return ret;
636
637 return 0;
638}
639
640static int psp_v14_0_vbflash_status(struct psp_context *psp)
641{
642 struct amdgpu_device *adev = psp->adev;
643
644 return RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_115);
645}
646
647static const struct psp_funcs psp_v14_0_funcs = {
648 .init_microcode = psp_v14_0_init_microcode,
649 .bootloader_load_kdb = psp_v14_0_bootloader_load_kdb,
650 .bootloader_load_spl = psp_v14_0_bootloader_load_spl,
651 .bootloader_load_sysdrv = psp_v14_0_bootloader_load_sysdrv,
652 .bootloader_load_soc_drv = psp_v14_0_bootloader_load_soc_drv,
653 .bootloader_load_intf_drv = psp_v14_0_bootloader_load_intf_drv,
654 .bootloader_load_dbg_drv = psp_v14_0_bootloader_load_dbg_drv,
655 .bootloader_load_ras_drv = psp_v14_0_bootloader_load_ras_drv,
656 .bootloader_load_sos = psp_v14_0_bootloader_load_sos,
657 .ring_create = psp_v14_0_ring_create,
658 .ring_stop = psp_v14_0_ring_stop,
659 .ring_destroy = psp_v14_0_ring_destroy,
660 .ring_get_wptr = psp_v14_0_ring_get_wptr,
661 .ring_set_wptr = psp_v14_0_ring_set_wptr,
662 .mem_training = psp_v14_0_memory_training,
663 .load_usbc_pd_fw = psp_v14_0_load_usbc_pd_fw,
664 .read_usbc_pd_fw = psp_v14_0_read_usbc_pd_fw,
665 .update_spirom = psp_v14_0_update_spirom,
666 .vbflash_stat = psp_v14_0_vbflash_status
667};
668
669void psp_v14_0_set_psp_funcs(struct psp_context *psp)
670{
671 psp->funcs = &psp_v14_0_funcs;
672}
1/*
2 * Copyright 2023 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 <drm/drm_drv.h>
24#include <linux/vmalloc.h>
25#include "amdgpu.h"
26#include "amdgpu_psp.h"
27#include "amdgpu_ucode.h"
28#include "soc15_common.h"
29#include "psp_v14_0.h"
30
31#include "mp/mp_14_0_2_offset.h"
32#include "mp/mp_14_0_2_sh_mask.h"
33
34MODULE_FIRMWARE("amdgpu/psp_14_0_2_sos.bin");
35MODULE_FIRMWARE("amdgpu/psp_14_0_2_ta.bin");
36MODULE_FIRMWARE("amdgpu/psp_14_0_3_sos.bin");
37MODULE_FIRMWARE("amdgpu/psp_14_0_3_ta.bin");
38
39/* For large FW files the time to complete can be very long */
40#define USBC_PD_POLLING_LIMIT_S 240
41
42/* Read USB-PD from LFB */
43#define GFX_CMD_USB_PD_USE_LFB 0x480
44
45/* VBIOS gfl defines */
46#define MBOX_READY_MASK 0x80000000
47#define MBOX_STATUS_MASK 0x0000FFFF
48#define MBOX_COMMAND_MASK 0x00FF0000
49#define MBOX_READY_FLAG 0x80000000
50#define C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_LO 0x2
51#define C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_HI 0x3
52#define C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE 0x4
53
54/* memory training timeout define */
55#define MEM_TRAIN_SEND_MSG_TIMEOUT_US 3000000
56
57static int psp_v14_0_init_microcode(struct psp_context *psp)
58{
59 struct amdgpu_device *adev = psp->adev;
60 char ucode_prefix[30];
61 int err = 0;
62
63 amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
64
65 switch (amdgpu_ip_version(adev, MP0_HWIP, 0)) {
66 case IP_VERSION(14, 0, 2):
67 case IP_VERSION(14, 0, 3):
68 err = psp_init_sos_microcode(psp, ucode_prefix);
69 if (err)
70 return err;
71 err = psp_init_ta_microcode(psp, ucode_prefix);
72 if (err)
73 return err;
74 break;
75 default:
76 BUG();
77 }
78
79 return 0;
80}
81
82static bool psp_v14_0_is_sos_alive(struct psp_context *psp)
83{
84 struct amdgpu_device *adev = psp->adev;
85 uint32_t sol_reg;
86
87 sol_reg = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_81);
88
89 return sol_reg != 0x0;
90}
91
92static int psp_v14_0_wait_for_bootloader(struct psp_context *psp)
93{
94 struct amdgpu_device *adev = psp->adev;
95
96 int ret;
97 int retry_loop;
98
99 for (retry_loop = 0; retry_loop < 10; retry_loop++) {
100 /* Wait for bootloader to signify that is
101 ready having bit 31 of C2PMSG_35 set to 1 */
102 ret = psp_wait_for(psp,
103 SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_35),
104 0x80000000,
105 0x80000000,
106 false);
107
108 if (ret == 0)
109 return 0;
110 }
111
112 return ret;
113}
114
115static int psp_v14_0_bootloader_load_component(struct psp_context *psp,
116 struct psp_bin_desc *bin_desc,
117 enum psp_bootloader_cmd bl_cmd)
118{
119 int ret;
120 uint32_t psp_gfxdrv_command_reg = 0;
121 struct amdgpu_device *adev = psp->adev;
122
123 /* Check tOS sign of life register to confirm sys driver and sOS
124 * are already been loaded.
125 */
126 if (psp_v14_0_is_sos_alive(psp))
127 return 0;
128
129 ret = psp_v14_0_wait_for_bootloader(psp);
130 if (ret)
131 return ret;
132
133 memset(psp->fw_pri_buf, 0, PSP_1_MEG);
134
135 /* Copy PSP KDB binary to memory */
136 memcpy(psp->fw_pri_buf, bin_desc->start_addr, bin_desc->size_bytes);
137
138 /* Provide the PSP KDB to bootloader */
139 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_36,
140 (uint32_t)(psp->fw_pri_mc_addr >> 20));
141 psp_gfxdrv_command_reg = bl_cmd;
142 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_35,
143 psp_gfxdrv_command_reg);
144
145 ret = psp_v14_0_wait_for_bootloader(psp);
146
147 return ret;
148}
149
150static int psp_v14_0_bootloader_load_kdb(struct psp_context *psp)
151{
152 return psp_v14_0_bootloader_load_component(psp, &psp->kdb, PSP_BL__LOAD_KEY_DATABASE);
153}
154
155static int psp_v14_0_bootloader_load_spl(struct psp_context *psp)
156{
157 return psp_v14_0_bootloader_load_component(psp, &psp->spl, PSP_BL__LOAD_TOS_SPL_TABLE);
158}
159
160static int psp_v14_0_bootloader_load_sysdrv(struct psp_context *psp)
161{
162 return psp_v14_0_bootloader_load_component(psp, &psp->sys, PSP_BL__LOAD_SYSDRV);
163}
164
165static int psp_v14_0_bootloader_load_soc_drv(struct psp_context *psp)
166{
167 return psp_v14_0_bootloader_load_component(psp, &psp->soc_drv, PSP_BL__LOAD_SOCDRV);
168}
169
170static int psp_v14_0_bootloader_load_intf_drv(struct psp_context *psp)
171{
172 return psp_v14_0_bootloader_load_component(psp, &psp->intf_drv, PSP_BL__LOAD_INTFDRV);
173}
174
175static int psp_v14_0_bootloader_load_dbg_drv(struct psp_context *psp)
176{
177 /* dbg_drv was renamed to had_drv in psp v14 */
178 return psp_v14_0_bootloader_load_component(psp, &psp->dbg_drv, PSP_BL__LOAD_HADDRV);
179}
180
181static int psp_v14_0_bootloader_load_ras_drv(struct psp_context *psp)
182{
183 return psp_v14_0_bootloader_load_component(psp, &psp->ras_drv, PSP_BL__LOAD_RASDRV);
184}
185
186static int psp_v14_0_bootloader_load_ipkeymgr_drv(struct psp_context *psp)
187{
188 return psp_v14_0_bootloader_load_component(psp, &psp->ipkeymgr_drv, PSP_BL__LOAD_IPKEYMGRDRV);
189}
190
191static int psp_v14_0_bootloader_load_sos(struct psp_context *psp)
192{
193 int ret;
194 unsigned int psp_gfxdrv_command_reg = 0;
195 struct amdgpu_device *adev = psp->adev;
196
197 /* Check sOS sign of life register to confirm sys driver and sOS
198 * are already been loaded.
199 */
200 if (psp_v14_0_is_sos_alive(psp))
201 return 0;
202
203 ret = psp_v14_0_wait_for_bootloader(psp);
204 if (ret)
205 return ret;
206
207 memset(psp->fw_pri_buf, 0, PSP_1_MEG);
208
209 /* Copy Secure OS binary to PSP memory */
210 memcpy(psp->fw_pri_buf, psp->sos.start_addr, psp->sos.size_bytes);
211
212 /* Provide the PSP secure OS to bootloader */
213 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_36,
214 (uint32_t)(psp->fw_pri_mc_addr >> 20));
215 psp_gfxdrv_command_reg = PSP_BL__LOAD_SOSDRV;
216 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_35,
217 psp_gfxdrv_command_reg);
218
219 /* there might be handshake issue with hardware which needs delay */
220 mdelay(20);
221 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_81),
222 RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_81),
223 0, true);
224
225 return ret;
226}
227
228static int psp_v14_0_ring_stop(struct psp_context *psp,
229 enum psp_ring_type ring_type)
230{
231 int ret = 0;
232 struct amdgpu_device *adev = psp->adev;
233
234 if (amdgpu_sriov_vf(adev)) {
235 /* Write the ring destroy command*/
236 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_101,
237 GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
238 /* there might be handshake issue with hardware which needs delay */
239 mdelay(20);
240 /* Wait for response flag (bit 31) */
241 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_101),
242 0x80000000, 0x80000000, false);
243 } else {
244 /* Write the ring destroy command*/
245 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_64,
246 GFX_CTRL_CMD_ID_DESTROY_RINGS);
247 /* there might be handshake issue with hardware which needs delay */
248 mdelay(20);
249 /* Wait for response flag (bit 31) */
250 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_64),
251 0x80000000, 0x80000000, false);
252 }
253
254 return ret;
255}
256
257static int psp_v14_0_ring_create(struct psp_context *psp,
258 enum psp_ring_type ring_type)
259{
260 int ret = 0;
261 unsigned int psp_ring_reg = 0;
262 struct psp_ring *ring = &psp->km_ring;
263 struct amdgpu_device *adev = psp->adev;
264
265 if (amdgpu_sriov_vf(adev)) {
266 ret = psp_v14_0_ring_stop(psp, ring_type);
267 if (ret) {
268 DRM_ERROR("psp_v14_0_ring_stop_sriov failed!\n");
269 return ret;
270 }
271
272 /* Write low address of the ring to C2PMSG_102 */
273 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
274 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_102, psp_ring_reg);
275 /* Write high address of the ring to C2PMSG_103 */
276 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
277 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_103, psp_ring_reg);
278
279 /* Write the ring initialization command to C2PMSG_101 */
280 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_101,
281 GFX_CTRL_CMD_ID_INIT_GPCOM_RING);
282
283 /* there might be handshake issue with hardware which needs delay */
284 mdelay(20);
285
286 /* Wait for response flag (bit 31) in C2PMSG_101 */
287 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_101),
288 0x80000000, 0x8000FFFF, false);
289
290 } else {
291 /* Wait for sOS ready for ring creation */
292 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_64),
293 0x80000000, 0x80000000, false);
294 if (ret) {
295 DRM_ERROR("Failed to wait for trust OS ready for ring creation\n");
296 return ret;
297 }
298
299 /* Write low address of the ring to C2PMSG_69 */
300 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
301 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_69, psp_ring_reg);
302 /* Write high address of the ring to C2PMSG_70 */
303 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
304 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_70, psp_ring_reg);
305 /* Write size of ring to C2PMSG_71 */
306 psp_ring_reg = ring->ring_size;
307 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_71, psp_ring_reg);
308 /* Write the ring initialization command to C2PMSG_64 */
309 psp_ring_reg = ring_type;
310 psp_ring_reg = psp_ring_reg << 16;
311 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_64, psp_ring_reg);
312
313 /* there might be handshake issue with hardware which needs delay */
314 mdelay(20);
315
316 /* Wait for response flag (bit 31) in C2PMSG_64 */
317 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_64),
318 0x80000000, 0x8000FFFF, false);
319 }
320
321 return ret;
322}
323
324static int psp_v14_0_ring_destroy(struct psp_context *psp,
325 enum psp_ring_type ring_type)
326{
327 int ret = 0;
328 struct psp_ring *ring = &psp->km_ring;
329 struct amdgpu_device *adev = psp->adev;
330
331 ret = psp_v14_0_ring_stop(psp, ring_type);
332 if (ret)
333 DRM_ERROR("Fail to stop psp ring\n");
334
335 amdgpu_bo_free_kernel(&adev->firmware.rbuf,
336 &ring->ring_mem_mc_addr,
337 (void **)&ring->ring_mem);
338
339 return ret;
340}
341
342static uint32_t psp_v14_0_ring_get_wptr(struct psp_context *psp)
343{
344 uint32_t data;
345 struct amdgpu_device *adev = psp->adev;
346
347 if (amdgpu_sriov_vf(adev))
348 data = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_102);
349 else
350 data = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_67);
351
352 return data;
353}
354
355static void psp_v14_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
356{
357 struct amdgpu_device *adev = psp->adev;
358
359 if (amdgpu_sriov_vf(adev)) {
360 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_102, value);
361 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_101,
362 GFX_CTRL_CMD_ID_CONSUME_CMD);
363 } else
364 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_67, value);
365}
366
367static int psp_v14_0_memory_training_send_msg(struct psp_context *psp, int msg)
368{
369 int ret;
370 int i;
371 uint32_t data_32;
372 int max_wait;
373 struct amdgpu_device *adev = psp->adev;
374
375 data_32 = (psp->mem_train_ctx.c2p_train_data_offset >> 20);
376 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_36, data_32);
377 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_35, msg);
378
379 max_wait = MEM_TRAIN_SEND_MSG_TIMEOUT_US / adev->usec_timeout;
380 for (i = 0; i < max_wait; i++) {
381 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_35),
382 0x80000000, 0x80000000, false);
383 if (ret == 0)
384 break;
385 }
386 if (i < max_wait)
387 ret = 0;
388 else
389 ret = -ETIME;
390
391 dev_dbg(adev->dev, "training %s %s, cost %d @ %d ms\n",
392 (msg == PSP_BL__DRAM_SHORT_TRAIN) ? "short" : "long",
393 (ret == 0) ? "succeed" : "failed",
394 i, adev->usec_timeout/1000);
395 return ret;
396}
397
398
399static int psp_v14_0_memory_training(struct psp_context *psp, uint32_t ops)
400{
401 struct psp_memory_training_context *ctx = &psp->mem_train_ctx;
402 uint32_t *pcache = (uint32_t *)ctx->sys_cache;
403 struct amdgpu_device *adev = psp->adev;
404 uint32_t p2c_header[4];
405 uint32_t sz;
406 void *buf;
407 int ret, idx;
408
409 if (ctx->init == PSP_MEM_TRAIN_NOT_SUPPORT) {
410 dev_dbg(adev->dev, "Memory training is not supported.\n");
411 return 0;
412 } else if (ctx->init != PSP_MEM_TRAIN_INIT_SUCCESS) {
413 dev_err(adev->dev, "Memory training initialization failure.\n");
414 return -EINVAL;
415 }
416
417 if (psp_v14_0_is_sos_alive(psp)) {
418 dev_dbg(adev->dev, "SOS is alive, skip memory training.\n");
419 return 0;
420 }
421
422 amdgpu_device_vram_access(adev, ctx->p2c_train_data_offset, p2c_header, sizeof(p2c_header), false);
423 dev_dbg(adev->dev, "sys_cache[%08x,%08x,%08x,%08x] p2c_header[%08x,%08x,%08x,%08x]\n",
424 pcache[0], pcache[1], pcache[2], pcache[3],
425 p2c_header[0], p2c_header[1], p2c_header[2], p2c_header[3]);
426
427 if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) {
428 dev_dbg(adev->dev, "Short training depends on restore.\n");
429 ops |= PSP_MEM_TRAIN_RESTORE;
430 }
431
432 if ((ops & PSP_MEM_TRAIN_RESTORE) &&
433 pcache[0] != MEM_TRAIN_SYSTEM_SIGNATURE) {
434 dev_dbg(adev->dev, "sys_cache[0] is invalid, restore depends on save.\n");
435 ops |= PSP_MEM_TRAIN_SAVE;
436 }
437
438 if (p2c_header[0] == MEM_TRAIN_SYSTEM_SIGNATURE &&
439 !(pcache[0] == MEM_TRAIN_SYSTEM_SIGNATURE &&
440 pcache[3] == p2c_header[3])) {
441 dev_dbg(adev->dev, "sys_cache is invalid or out-of-date, need save training data to sys_cache.\n");
442 ops |= PSP_MEM_TRAIN_SAVE;
443 }
444
445 if ((ops & PSP_MEM_TRAIN_SAVE) &&
446 p2c_header[0] != MEM_TRAIN_SYSTEM_SIGNATURE) {
447 dev_dbg(adev->dev, "p2c_header[0] is invalid, save depends on long training.\n");
448 ops |= PSP_MEM_TRAIN_SEND_LONG_MSG;
449 }
450
451 if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) {
452 ops &= ~PSP_MEM_TRAIN_SEND_SHORT_MSG;
453 ops |= PSP_MEM_TRAIN_SAVE;
454 }
455
456 dev_dbg(adev->dev, "Memory training ops:%x.\n", ops);
457
458 if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) {
459 /*
460 * Long training will encroach a certain amount on the bottom of VRAM;
461 * save the content from the bottom of VRAM to system memory
462 * before training, and restore it after training to avoid
463 * VRAM corruption.
464 */
465 sz = BIST_MEM_TRAINING_ENCROACHED_SIZE;
466
467 if (adev->gmc.visible_vram_size < sz || !adev->mman.aper_base_kaddr) {
468 dev_err(adev->dev, "visible_vram_size %llx or aper_base_kaddr %p is not initialized.\n",
469 adev->gmc.visible_vram_size,
470 adev->mman.aper_base_kaddr);
471 return -EINVAL;
472 }
473
474 buf = vmalloc(sz);
475 if (!buf) {
476 dev_err(adev->dev, "failed to allocate system memory.\n");
477 return -ENOMEM;
478 }
479
480 if (drm_dev_enter(adev_to_drm(adev), &idx)) {
481 memcpy_fromio(buf, adev->mman.aper_base_kaddr, sz);
482 ret = psp_v14_0_memory_training_send_msg(psp, PSP_BL__DRAM_LONG_TRAIN);
483 if (ret) {
484 DRM_ERROR("Send long training msg failed.\n");
485 vfree(buf);
486 drm_dev_exit(idx);
487 return ret;
488 }
489
490 memcpy_toio(adev->mman.aper_base_kaddr, buf, sz);
491 adev->hdp.funcs->flush_hdp(adev, NULL);
492 vfree(buf);
493 drm_dev_exit(idx);
494 } else {
495 vfree(buf);
496 return -ENODEV;
497 }
498 }
499
500 if (ops & PSP_MEM_TRAIN_SAVE) {
501 amdgpu_device_vram_access(psp->adev, ctx->p2c_train_data_offset, ctx->sys_cache, ctx->train_data_size, false);
502 }
503
504 if (ops & PSP_MEM_TRAIN_RESTORE) {
505 amdgpu_device_vram_access(psp->adev, ctx->c2p_train_data_offset, ctx->sys_cache, ctx->train_data_size, true);
506 }
507
508 if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) {
509 ret = psp_v14_0_memory_training_send_msg(psp, (amdgpu_force_long_training > 0) ?
510 PSP_BL__DRAM_LONG_TRAIN : PSP_BL__DRAM_SHORT_TRAIN);
511 if (ret) {
512 dev_err(adev->dev, "send training msg failed.\n");
513 return ret;
514 }
515 }
516 ctx->training_cnt++;
517 return 0;
518}
519
520static int psp_v14_0_load_usbc_pd_fw(struct psp_context *psp, uint64_t fw_pri_mc_addr)
521{
522 struct amdgpu_device *adev = psp->adev;
523 uint32_t reg_status;
524 int ret, i = 0;
525
526 /*
527 * LFB address which is aligned to 1MB address and has to be
528 * right-shifted by 20 so that LFB address can be passed on a 32-bit C2P
529 * register
530 */
531 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_36, (fw_pri_mc_addr >> 20));
532
533 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_35),
534 0x80000000, 0x80000000, false);
535 if (ret)
536 return ret;
537
538 /* Fireup interrupt so PSP can pick up the address */
539 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_35, (GFX_CMD_USB_PD_USE_LFB << 16));
540
541 /* FW load takes very long time */
542 do {
543 msleep(1000);
544 reg_status = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_35);
545
546 if (reg_status & 0x80000000)
547 goto done;
548
549 } while (++i < USBC_PD_POLLING_LIMIT_S);
550
551 return -ETIME;
552done:
553
554 if ((reg_status & 0xFFFF) != 0) {
555 DRM_ERROR("Address load failed - MP0_SMN_C2PMSG_35.Bits [15:0] = %04x\n",
556 reg_status & 0xFFFF);
557 return -EIO;
558 }
559
560 return 0;
561}
562
563static int psp_v14_0_read_usbc_pd_fw(struct psp_context *psp, uint32_t *fw_ver)
564{
565 struct amdgpu_device *adev = psp->adev;
566 int ret;
567
568 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_35, C2PMSG_CMD_GFX_USB_PD_FW_VER);
569
570 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_35),
571 0x80000000, 0x80000000, false);
572 if (!ret)
573 *fw_ver = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_36);
574
575 return ret;
576}
577
578static int psp_v14_0_exec_spi_cmd(struct psp_context *psp, int cmd)
579{
580 uint32_t reg_status = 0, reg_val = 0;
581 struct amdgpu_device *adev = psp->adev;
582 int ret;
583
584 /* clear MBX ready (MBOX_READY_MASK bit is 0) and set update command */
585 reg_val |= (cmd << 16);
586 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_115, reg_val);
587
588 /* Ring the doorbell */
589 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_73, 1);
590
591 if (cmd == C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE)
592 ret = psp_wait_for_spirom_update(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_115),
593 MBOX_READY_FLAG, MBOX_READY_MASK, PSP_SPIROM_UPDATE_TIMEOUT);
594 else
595 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_115),
596 MBOX_READY_FLAG, MBOX_READY_MASK, false);
597
598 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_115),
599 MBOX_READY_FLAG, MBOX_READY_MASK, false);
600 if (ret) {
601 dev_err(adev->dev, "SPI cmd %x timed out, ret = %d", cmd, ret);
602 return ret;
603 }
604
605 reg_status = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_115);
606 if ((reg_status & 0xFFFF) != 0) {
607 dev_err(adev->dev, "SPI cmd %x failed, fail status = %04x\n",
608 cmd, reg_status & 0xFFFF);
609 return -EIO;
610 }
611
612 return 0;
613}
614
615static int psp_v14_0_update_spirom(struct psp_context *psp,
616 uint64_t fw_pri_mc_addr)
617{
618 struct amdgpu_device *adev = psp->adev;
619 int ret;
620
621 /* Confirm PSP is ready to start */
622 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_115),
623 MBOX_READY_FLAG, MBOX_READY_MASK, false);
624 if (ret) {
625 dev_err(adev->dev, "PSP Not ready to start processing, ret = %d", ret);
626 return ret;
627 }
628
629 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_116, lower_32_bits(fw_pri_mc_addr));
630
631 ret = psp_v14_0_exec_spi_cmd(psp, C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_LO);
632 if (ret)
633 return ret;
634
635 WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_116, upper_32_bits(fw_pri_mc_addr));
636
637 ret = psp_v14_0_exec_spi_cmd(psp, C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_HI);
638 if (ret)
639 return ret;
640
641 psp->vbflash_done = true;
642
643 ret = psp_v14_0_exec_spi_cmd(psp, C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE);
644 if (ret)
645 return ret;
646
647 return 0;
648}
649
650static int psp_v14_0_vbflash_status(struct psp_context *psp)
651{
652 struct amdgpu_device *adev = psp->adev;
653
654 return RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_115);
655}
656
657static const struct psp_funcs psp_v14_0_funcs = {
658 .init_microcode = psp_v14_0_init_microcode,
659 .bootloader_load_kdb = psp_v14_0_bootloader_load_kdb,
660 .bootloader_load_spl = psp_v14_0_bootloader_load_spl,
661 .bootloader_load_sysdrv = psp_v14_0_bootloader_load_sysdrv,
662 .bootloader_load_soc_drv = psp_v14_0_bootloader_load_soc_drv,
663 .bootloader_load_intf_drv = psp_v14_0_bootloader_load_intf_drv,
664 .bootloader_load_dbg_drv = psp_v14_0_bootloader_load_dbg_drv,
665 .bootloader_load_ras_drv = psp_v14_0_bootloader_load_ras_drv,
666 .bootloader_load_ipkeymgr_drv = psp_v14_0_bootloader_load_ipkeymgr_drv,
667 .bootloader_load_sos = psp_v14_0_bootloader_load_sos,
668 .ring_create = psp_v14_0_ring_create,
669 .ring_stop = psp_v14_0_ring_stop,
670 .ring_destroy = psp_v14_0_ring_destroy,
671 .ring_get_wptr = psp_v14_0_ring_get_wptr,
672 .ring_set_wptr = psp_v14_0_ring_set_wptr,
673 .mem_training = psp_v14_0_memory_training,
674 .load_usbc_pd_fw = psp_v14_0_load_usbc_pd_fw,
675 .read_usbc_pd_fw = psp_v14_0_read_usbc_pd_fw,
676 .update_spirom = psp_v14_0_update_spirom,
677 .vbflash_stat = psp_v14_0_vbflash_status
678};
679
680void psp_v14_0_set_psp_funcs(struct psp_context *psp)
681{
682 psp->funcs = &psp_v14_0_funcs;
683}