Loading...
1/*
2 * Copyright 2019 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 "amdgpu.h"
26#include "amdgpu_psp.h"
27#include "amdgpu_ucode.h"
28#include "soc15_common.h"
29#include "psp_v12_0.h"
30
31#include "mp/mp_12_0_0_offset.h"
32#include "mp/mp_12_0_0_sh_mask.h"
33#include "gc/gc_9_0_offset.h"
34#include "sdma0/sdma0_4_0_offset.h"
35#include "nbio/nbio_7_4_offset.h"
36
37#include "oss/osssys_4_0_offset.h"
38#include "oss/osssys_4_0_sh_mask.h"
39
40MODULE_FIRMWARE("amdgpu/renoir_asd.bin");
41/* address block */
42#define smnMP1_FIRMWARE_FLAGS 0x3010024
43
44static int psp_v12_0_init_microcode(struct psp_context *psp)
45{
46 struct amdgpu_device *adev = psp->adev;
47 const char *chip_name;
48 char fw_name[30];
49 int err = 0;
50 const struct psp_firmware_header_v1_0 *asd_hdr;
51
52 DRM_DEBUG("\n");
53
54 switch (adev->asic_type) {
55 case CHIP_RENOIR:
56 chip_name = "renoir";
57 break;
58 default:
59 BUG();
60 }
61
62 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name);
63 err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
64 if (err)
65 goto out1;
66
67 err = amdgpu_ucode_validate(adev->psp.asd_fw);
68 if (err)
69 goto out1;
70
71 asd_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data;
72 adev->psp.asd_fw_version = le32_to_cpu(asd_hdr->header.ucode_version);
73 adev->psp.asd_feature_version = le32_to_cpu(asd_hdr->ucode_feature_version);
74 adev->psp.asd_ucode_size = le32_to_cpu(asd_hdr->header.ucode_size_bytes);
75 adev->psp.asd_start_addr = (uint8_t *)asd_hdr +
76 le32_to_cpu(asd_hdr->header.ucode_array_offset_bytes);
77
78 return 0;
79
80out1:
81 release_firmware(adev->psp.asd_fw);
82 adev->psp.asd_fw = NULL;
83
84 return err;
85}
86
87static int psp_v12_0_bootloader_load_sysdrv(struct psp_context *psp)
88{
89 int ret;
90 uint32_t psp_gfxdrv_command_reg = 0;
91 struct amdgpu_device *adev = psp->adev;
92 uint32_t sol_reg;
93
94 /* Check sOS sign of life register to confirm sys driver and sOS
95 * are already been loaded.
96 */
97 sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
98 if (sol_reg) {
99 psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58);
100 printk("sos fw version = 0x%x.\n", psp->sos_fw_version);
101 return 0;
102 }
103
104 /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
105 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
106 0x80000000, 0x80000000, false);
107 if (ret)
108 return ret;
109
110 memset(psp->fw_pri_buf, 0, PSP_1_MEG);
111
112 /* Copy PSP System Driver binary to memory */
113 memcpy(psp->fw_pri_buf, psp->sys_start_addr, psp->sys_bin_size);
114
115 /* Provide the sys driver to bootloader */
116 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
117 (uint32_t)(psp->fw_pri_mc_addr >> 20));
118 psp_gfxdrv_command_reg = 1 << 16;
119 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
120 psp_gfxdrv_command_reg);
121
122 /* there might be handshake issue with hardware which needs delay */
123 mdelay(20);
124
125 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
126 0x80000000, 0x80000000, false);
127
128 return ret;
129}
130
131static int psp_v12_0_bootloader_load_sos(struct psp_context *psp)
132{
133 int ret;
134 unsigned int psp_gfxdrv_command_reg = 0;
135 struct amdgpu_device *adev = psp->adev;
136 uint32_t sol_reg;
137
138 /* Check sOS sign of life register to confirm sys driver and sOS
139 * are already been loaded.
140 */
141 sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
142 if (sol_reg)
143 return 0;
144
145 /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
146 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
147 0x80000000, 0x80000000, false);
148 if (ret)
149 return ret;
150
151 memset(psp->fw_pri_buf, 0, PSP_1_MEG);
152
153 /* Copy Secure OS binary to PSP memory */
154 memcpy(psp->fw_pri_buf, psp->sos_start_addr, psp->sos_bin_size);
155
156 /* Provide the PSP secure OS to bootloader */
157 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
158 (uint32_t)(psp->fw_pri_mc_addr >> 20));
159 psp_gfxdrv_command_reg = 2 << 16;
160 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
161 psp_gfxdrv_command_reg);
162
163 /* there might be handshake issue with hardware which needs delay */
164 mdelay(20);
165 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81),
166 RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81),
167 0, true);
168
169 return ret;
170}
171
172static void psp_v12_0_reroute_ih(struct psp_context *psp)
173{
174 struct amdgpu_device *adev = psp->adev;
175 uint32_t tmp;
176
177 /* Change IH ring for VMC */
178 tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1244b);
179 tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, CLIENT_TYPE, 1);
180 tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
181
182 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 3);
183 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp);
184 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET);
185
186 mdelay(20);
187 psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
188 0x80000000, 0x8000FFFF, false);
189
190 /* Change IH ring for UMC */
191 tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1216b);
192 tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
193
194 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 4);
195 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp);
196 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET);
197
198 mdelay(20);
199 psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
200 0x80000000, 0x8000FFFF, false);
201}
202
203static int psp_v12_0_ring_init(struct psp_context *psp,
204 enum psp_ring_type ring_type)
205{
206 int ret = 0;
207 struct psp_ring *ring;
208 struct amdgpu_device *adev = psp->adev;
209
210 psp_v12_0_reroute_ih(psp);
211
212 ring = &psp->km_ring;
213
214 ring->ring_type = ring_type;
215
216 /* allocate 4k Page of Local Frame Buffer memory for ring */
217 ring->ring_size = 0x1000;
218 ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
219 AMDGPU_GEM_DOMAIN_VRAM,
220 &adev->firmware.rbuf,
221 &ring->ring_mem_mc_addr,
222 (void **)&ring->ring_mem);
223 if (ret) {
224 ring->ring_size = 0;
225 return ret;
226 }
227
228 return 0;
229}
230
231static bool psp_v12_0_support_vmr_ring(struct psp_context *psp)
232{
233 if (amdgpu_sriov_vf(psp->adev) && psp->sos_fw_version > 0x80045)
234 return true;
235 return false;
236}
237
238static int psp_v12_0_ring_create(struct psp_context *psp,
239 enum psp_ring_type ring_type)
240{
241 int ret = 0;
242 unsigned int psp_ring_reg = 0;
243 struct psp_ring *ring = &psp->km_ring;
244 struct amdgpu_device *adev = psp->adev;
245
246 if (psp_v12_0_support_vmr_ring(psp)) {
247 /* Write low address of the ring to C2PMSG_102 */
248 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
249 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_ring_reg);
250 /* Write high address of the ring to C2PMSG_103 */
251 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
252 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_103, psp_ring_reg);
253
254 /* Write the ring initialization command to C2PMSG_101 */
255 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
256 GFX_CTRL_CMD_ID_INIT_GPCOM_RING);
257
258 /* there might be handshake issue with hardware which needs delay */
259 mdelay(20);
260
261 /* Wait for response flag (bit 31) in C2PMSG_101 */
262 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
263 0x80000000, 0x8000FFFF, false);
264
265 } else {
266 /* Write low address of the ring to C2PMSG_69 */
267 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
268 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
269 /* Write high address of the ring to C2PMSG_70 */
270 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
271 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
272 /* Write size of ring to C2PMSG_71 */
273 psp_ring_reg = ring->ring_size;
274 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
275 /* Write the ring initialization command to C2PMSG_64 */
276 psp_ring_reg = ring_type;
277 psp_ring_reg = psp_ring_reg << 16;
278 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
279
280 /* there might be handshake issue with hardware which needs delay */
281 mdelay(20);
282
283 /* Wait for response flag (bit 31) in C2PMSG_64 */
284 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
285 0x80000000, 0x8000FFFF, false);
286 }
287
288 return ret;
289}
290
291static int psp_v12_0_ring_stop(struct psp_context *psp,
292 enum psp_ring_type ring_type)
293{
294 int ret = 0;
295 struct amdgpu_device *adev = psp->adev;
296
297 /* Write the ring destroy command*/
298 if (psp_v12_0_support_vmr_ring(psp))
299 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
300 GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
301 else
302 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64,
303 GFX_CTRL_CMD_ID_DESTROY_RINGS);
304
305 /* there might be handshake issue with hardware which needs delay */
306 mdelay(20);
307
308 /* Wait for response flag (bit 31) */
309 if (psp_v12_0_support_vmr_ring(psp))
310 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
311 0x80000000, 0x80000000, false);
312 else
313 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
314 0x80000000, 0x80000000, false);
315
316 return ret;
317}
318
319static int psp_v12_0_ring_destroy(struct psp_context *psp,
320 enum psp_ring_type ring_type)
321{
322 int ret = 0;
323 struct psp_ring *ring = &psp->km_ring;
324 struct amdgpu_device *adev = psp->adev;
325
326 ret = psp_v12_0_ring_stop(psp, ring_type);
327 if (ret)
328 DRM_ERROR("Fail to stop psp ring\n");
329
330 amdgpu_bo_free_kernel(&adev->firmware.rbuf,
331 &ring->ring_mem_mc_addr,
332 (void **)&ring->ring_mem);
333
334 return ret;
335}
336
337static int psp_v12_0_cmd_submit(struct psp_context *psp,
338 uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr,
339 int index)
340{
341 unsigned int psp_write_ptr_reg = 0;
342 struct psp_gfx_rb_frame *write_frame = psp->km_ring.ring_mem;
343 struct psp_ring *ring = &psp->km_ring;
344 struct psp_gfx_rb_frame *ring_buffer_start = ring->ring_mem;
345 struct psp_gfx_rb_frame *ring_buffer_end = ring_buffer_start +
346 ring->ring_size / sizeof(struct psp_gfx_rb_frame) - 1;
347 struct amdgpu_device *adev = psp->adev;
348 uint32_t ring_size_dw = ring->ring_size / 4;
349 uint32_t rb_frame_size_dw = sizeof(struct psp_gfx_rb_frame) / 4;
350
351 /* KM (GPCOM) prepare write pointer */
352 if (psp_v12_0_support_vmr_ring(psp))
353 psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102);
354 else
355 psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
356
357 /* Update KM RB frame pointer to new frame */
358 /* write_frame ptr increments by size of rb_frame in bytes */
359 /* psp_write_ptr_reg increments by size of rb_frame in DWORDs */
360 if ((psp_write_ptr_reg % ring_size_dw) == 0)
361 write_frame = ring_buffer_start;
362 else
363 write_frame = ring_buffer_start + (psp_write_ptr_reg / rb_frame_size_dw);
364 /* Check invalid write_frame ptr address */
365 if ((write_frame < ring_buffer_start) || (ring_buffer_end < write_frame)) {
366 DRM_ERROR("ring_buffer_start = %p; ring_buffer_end = %p; write_frame = %p\n",
367 ring_buffer_start, ring_buffer_end, write_frame);
368 DRM_ERROR("write_frame is pointing to address out of bounds\n");
369 return -EINVAL;
370 }
371
372 /* Initialize KM RB frame */
373 memset(write_frame, 0, sizeof(struct psp_gfx_rb_frame));
374
375 /* Update KM RB frame */
376 write_frame->cmd_buf_addr_hi = upper_32_bits(cmd_buf_mc_addr);
377 write_frame->cmd_buf_addr_lo = lower_32_bits(cmd_buf_mc_addr);
378 write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr);
379 write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr);
380 write_frame->fence_value = index;
381
382 /* Update the write Pointer in DWORDs */
383 psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw;
384 if (psp_v12_0_support_vmr_ring(psp)) {
385 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_write_ptr_reg);
386 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD);
387 } else
388 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, psp_write_ptr_reg);
389
390 return 0;
391}
392
393static int
394psp_v12_0_sram_map(struct amdgpu_device *adev,
395 unsigned int *sram_offset, unsigned int *sram_addr_reg_offset,
396 unsigned int *sram_data_reg_offset,
397 enum AMDGPU_UCODE_ID ucode_id)
398{
399 int ret = 0;
400
401 switch (ucode_id) {
402/* TODO: needs to confirm */
403#if 0
404 case AMDGPU_UCODE_ID_SMC:
405 *sram_offset = 0;
406 *sram_addr_reg_offset = 0;
407 *sram_data_reg_offset = 0;
408 break;
409#endif
410
411 case AMDGPU_UCODE_ID_CP_CE:
412 *sram_offset = 0x0;
413 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_ADDR);
414 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_DATA);
415 break;
416
417 case AMDGPU_UCODE_ID_CP_PFP:
418 *sram_offset = 0x0;
419 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_ADDR);
420 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_DATA);
421 break;
422
423 case AMDGPU_UCODE_ID_CP_ME:
424 *sram_offset = 0x0;
425 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_ADDR);
426 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_DATA);
427 break;
428
429 case AMDGPU_UCODE_ID_CP_MEC1:
430 *sram_offset = 0x10000;
431 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_ADDR);
432 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_DATA);
433 break;
434
435 case AMDGPU_UCODE_ID_CP_MEC2:
436 *sram_offset = 0x10000;
437 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_ADDR);
438 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_DATA);
439 break;
440
441 case AMDGPU_UCODE_ID_RLC_G:
442 *sram_offset = 0x2000;
443 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_ADDR);
444 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_DATA);
445 break;
446
447 case AMDGPU_UCODE_ID_SDMA0:
448 *sram_offset = 0x0;
449 *sram_addr_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_ADDR);
450 *sram_data_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_DATA);
451 break;
452
453/* TODO: needs to confirm */
454#if 0
455 case AMDGPU_UCODE_ID_SDMA1:
456 *sram_offset = ;
457 *sram_addr_reg_offset = ;
458 break;
459
460 case AMDGPU_UCODE_ID_UVD:
461 *sram_offset = ;
462 *sram_addr_reg_offset = ;
463 break;
464
465 case AMDGPU_UCODE_ID_VCE:
466 *sram_offset = ;
467 *sram_addr_reg_offset = ;
468 break;
469#endif
470
471 case AMDGPU_UCODE_ID_MAXIMUM:
472 default:
473 ret = -EINVAL;
474 break;
475 }
476
477 return ret;
478}
479
480static bool psp_v12_0_compare_sram_data(struct psp_context *psp,
481 struct amdgpu_firmware_info *ucode,
482 enum AMDGPU_UCODE_ID ucode_type)
483{
484 int err = 0;
485 unsigned int fw_sram_reg_val = 0;
486 unsigned int fw_sram_addr_reg_offset = 0;
487 unsigned int fw_sram_data_reg_offset = 0;
488 unsigned int ucode_size;
489 uint32_t *ucode_mem = NULL;
490 struct amdgpu_device *adev = psp->adev;
491
492 err = psp_v12_0_sram_map(adev, &fw_sram_reg_val, &fw_sram_addr_reg_offset,
493 &fw_sram_data_reg_offset, ucode_type);
494 if (err)
495 return false;
496
497 WREG32(fw_sram_addr_reg_offset, fw_sram_reg_val);
498
499 ucode_size = ucode->ucode_size;
500 ucode_mem = (uint32_t *)ucode->kaddr;
501 while (ucode_size) {
502 fw_sram_reg_val = RREG32(fw_sram_data_reg_offset);
503
504 if (*ucode_mem != fw_sram_reg_val)
505 return false;
506
507 ucode_mem++;
508 /* 4 bytes */
509 ucode_size -= 4;
510 }
511
512 return true;
513}
514
515static int psp_v12_0_mode1_reset(struct psp_context *psp)
516{
517 int ret;
518 uint32_t offset;
519 struct amdgpu_device *adev = psp->adev;
520
521 offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64);
522
523 ret = psp_wait_for(psp, offset, 0x80000000, 0x8000FFFF, false);
524
525 if (ret) {
526 DRM_INFO("psp is not working correctly before mode1 reset!\n");
527 return -EINVAL;
528 }
529
530 /*send the mode 1 reset command*/
531 WREG32(offset, GFX_CTRL_CMD_ID_MODE1_RST);
532
533 msleep(500);
534
535 offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_33);
536
537 ret = psp_wait_for(psp, offset, 0x80000000, 0x80000000, false);
538
539 if (ret) {
540 DRM_INFO("psp mode 1 reset failed!\n");
541 return -EINVAL;
542 }
543
544 DRM_INFO("psp mode1 reset succeed \n");
545
546 return 0;
547}
548
549static const struct psp_funcs psp_v12_0_funcs = {
550 .init_microcode = psp_v12_0_init_microcode,
551 .bootloader_load_sysdrv = psp_v12_0_bootloader_load_sysdrv,
552 .bootloader_load_sos = psp_v12_0_bootloader_load_sos,
553 .ring_init = psp_v12_0_ring_init,
554 .ring_create = psp_v12_0_ring_create,
555 .ring_stop = psp_v12_0_ring_stop,
556 .ring_destroy = psp_v12_0_ring_destroy,
557 .cmd_submit = psp_v12_0_cmd_submit,
558 .compare_sram_data = psp_v12_0_compare_sram_data,
559 .mode1_reset = psp_v12_0_mode1_reset,
560};
561
562void psp_v12_0_set_psp_funcs(struct psp_context *psp)
563{
564 psp->funcs = &psp_v12_0_funcs;
565}
1/*
2 * Copyright 2019 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 "amdgpu.h"
26#include "amdgpu_psp.h"
27#include "amdgpu_ucode.h"
28#include "soc15_common.h"
29#include "psp_v12_0.h"
30
31#include "mp/mp_12_0_0_offset.h"
32#include "mp/mp_12_0_0_sh_mask.h"
33#include "gc/gc_9_0_offset.h"
34#include "sdma0/sdma0_4_0_offset.h"
35#include "nbio/nbio_7_4_offset.h"
36
37#include "oss/osssys_4_0_offset.h"
38#include "oss/osssys_4_0_sh_mask.h"
39
40MODULE_FIRMWARE("amdgpu/renoir_asd.bin");
41/* address block */
42#define smnMP1_FIRMWARE_FLAGS 0x3010024
43
44static int psp_v12_0_init_microcode(struct psp_context *psp)
45{
46 struct amdgpu_device *adev = psp->adev;
47 const char *chip_name;
48 int err = 0;
49
50 switch (adev->asic_type) {
51 case CHIP_RENOIR:
52 chip_name = "renoir";
53 break;
54 default:
55 BUG();
56 }
57
58 err = psp_init_asd_microcode(psp, chip_name);
59 return err;
60}
61
62static int psp_v12_0_bootloader_load_sysdrv(struct psp_context *psp)
63{
64 int ret;
65 uint32_t psp_gfxdrv_command_reg = 0;
66 struct amdgpu_device *adev = psp->adev;
67 uint32_t sol_reg;
68
69 /* Check sOS sign of life register to confirm sys driver and sOS
70 * are already been loaded.
71 */
72 sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
73 if (sol_reg)
74 return 0;
75
76 /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
77 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
78 0x80000000, 0x80000000, false);
79 if (ret)
80 return ret;
81
82 memset(psp->fw_pri_buf, 0, PSP_1_MEG);
83
84 /* Copy PSP System Driver binary to memory */
85 memcpy(psp->fw_pri_buf, psp->sys_start_addr, psp->sys_bin_size);
86
87 /* Provide the sys driver to bootloader */
88 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
89 (uint32_t)(psp->fw_pri_mc_addr >> 20));
90 psp_gfxdrv_command_reg = 1 << 16;
91 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
92 psp_gfxdrv_command_reg);
93
94 /* there might be handshake issue with hardware which needs delay */
95 mdelay(20);
96
97 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
98 0x80000000, 0x80000000, false);
99
100 return ret;
101}
102
103static int psp_v12_0_bootloader_load_sos(struct psp_context *psp)
104{
105 int ret;
106 unsigned int psp_gfxdrv_command_reg = 0;
107 struct amdgpu_device *adev = psp->adev;
108 uint32_t sol_reg;
109
110 /* Check sOS sign of life register to confirm sys driver and sOS
111 * are already been loaded.
112 */
113 sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
114 if (sol_reg)
115 return 0;
116
117 /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
118 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
119 0x80000000, 0x80000000, false);
120 if (ret)
121 return ret;
122
123 memset(psp->fw_pri_buf, 0, PSP_1_MEG);
124
125 /* Copy Secure OS binary to PSP memory */
126 memcpy(psp->fw_pri_buf, psp->sos_start_addr, psp->sos_bin_size);
127
128 /* Provide the PSP secure OS to bootloader */
129 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
130 (uint32_t)(psp->fw_pri_mc_addr >> 20));
131 psp_gfxdrv_command_reg = 2 << 16;
132 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
133 psp_gfxdrv_command_reg);
134
135 /* there might be handshake issue with hardware which needs delay */
136 mdelay(20);
137 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81),
138 RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81),
139 0, true);
140
141 return ret;
142}
143
144static void psp_v12_0_reroute_ih(struct psp_context *psp)
145{
146 struct amdgpu_device *adev = psp->adev;
147 uint32_t tmp;
148
149 /* Change IH ring for VMC */
150 tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1244b);
151 tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, CLIENT_TYPE, 1);
152 tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
153
154 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 3);
155 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp);
156 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET);
157
158 mdelay(20);
159 psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
160 0x80000000, 0x8000FFFF, false);
161
162 /* Change IH ring for UMC */
163 tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1216b);
164 tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
165
166 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 4);
167 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp);
168 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET);
169
170 mdelay(20);
171 psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
172 0x80000000, 0x8000FFFF, false);
173}
174
175static int psp_v12_0_ring_init(struct psp_context *psp,
176 enum psp_ring_type ring_type)
177{
178 int ret = 0;
179 struct psp_ring *ring;
180 struct amdgpu_device *adev = psp->adev;
181
182 psp_v12_0_reroute_ih(psp);
183
184 ring = &psp->km_ring;
185
186 ring->ring_type = ring_type;
187
188 /* allocate 4k Page of Local Frame Buffer memory for ring */
189 ring->ring_size = 0x1000;
190 ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
191 AMDGPU_GEM_DOMAIN_VRAM,
192 &adev->firmware.rbuf,
193 &ring->ring_mem_mc_addr,
194 (void **)&ring->ring_mem);
195 if (ret) {
196 ring->ring_size = 0;
197 return ret;
198 }
199
200 return 0;
201}
202
203static int psp_v12_0_ring_create(struct psp_context *psp,
204 enum psp_ring_type ring_type)
205{
206 int ret = 0;
207 unsigned int psp_ring_reg = 0;
208 struct psp_ring *ring = &psp->km_ring;
209 struct amdgpu_device *adev = psp->adev;
210
211 if (amdgpu_sriov_vf(psp->adev)) {
212 /* Write low address of the ring to C2PMSG_102 */
213 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
214 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_ring_reg);
215 /* Write high address of the ring to C2PMSG_103 */
216 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
217 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_103, psp_ring_reg);
218
219 /* Write the ring initialization command to C2PMSG_101 */
220 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
221 GFX_CTRL_CMD_ID_INIT_GPCOM_RING);
222
223 /* there might be handshake issue with hardware which needs delay */
224 mdelay(20);
225
226 /* Wait for response flag (bit 31) in C2PMSG_101 */
227 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
228 0x80000000, 0x8000FFFF, false);
229
230 } else {
231 /* Write low address of the ring to C2PMSG_69 */
232 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
233 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
234 /* Write high address of the ring to C2PMSG_70 */
235 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
236 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
237 /* Write size of ring to C2PMSG_71 */
238 psp_ring_reg = ring->ring_size;
239 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
240 /* Write the ring initialization command to C2PMSG_64 */
241 psp_ring_reg = ring_type;
242 psp_ring_reg = psp_ring_reg << 16;
243 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
244
245 /* there might be handshake issue with hardware which needs delay */
246 mdelay(20);
247
248 /* Wait for response flag (bit 31) in C2PMSG_64 */
249 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
250 0x80000000, 0x8000FFFF, false);
251 }
252
253 return ret;
254}
255
256static int psp_v12_0_ring_stop(struct psp_context *psp,
257 enum psp_ring_type ring_type)
258{
259 int ret = 0;
260 struct amdgpu_device *adev = psp->adev;
261
262 /* Write the ring destroy command*/
263 if (amdgpu_sriov_vf(adev))
264 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
265 GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
266 else
267 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64,
268 GFX_CTRL_CMD_ID_DESTROY_RINGS);
269
270 /* there might be handshake issue with hardware which needs delay */
271 mdelay(20);
272
273 /* Wait for response flag (bit 31) */
274 if (amdgpu_sriov_vf(adev))
275 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
276 0x80000000, 0x80000000, false);
277 else
278 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
279 0x80000000, 0x80000000, false);
280
281 return ret;
282}
283
284static int psp_v12_0_ring_destroy(struct psp_context *psp,
285 enum psp_ring_type ring_type)
286{
287 int ret = 0;
288 struct psp_ring *ring = &psp->km_ring;
289 struct amdgpu_device *adev = psp->adev;
290
291 ret = psp_v12_0_ring_stop(psp, ring_type);
292 if (ret)
293 DRM_ERROR("Fail to stop psp ring\n");
294
295 amdgpu_bo_free_kernel(&adev->firmware.rbuf,
296 &ring->ring_mem_mc_addr,
297 (void **)&ring->ring_mem);
298
299 return ret;
300}
301
302static int psp_v12_0_mode1_reset(struct psp_context *psp)
303{
304 int ret;
305 uint32_t offset;
306 struct amdgpu_device *adev = psp->adev;
307
308 offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64);
309
310 ret = psp_wait_for(psp, offset, 0x80000000, 0x8000FFFF, false);
311
312 if (ret) {
313 DRM_INFO("psp is not working correctly before mode1 reset!\n");
314 return -EINVAL;
315 }
316
317 /*send the mode 1 reset command*/
318 WREG32(offset, GFX_CTRL_CMD_ID_MODE1_RST);
319
320 msleep(500);
321
322 offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_33);
323
324 ret = psp_wait_for(psp, offset, 0x80000000, 0x80000000, false);
325
326 if (ret) {
327 DRM_INFO("psp mode 1 reset failed!\n");
328 return -EINVAL;
329 }
330
331 DRM_INFO("psp mode1 reset succeed \n");
332
333 return 0;
334}
335
336static uint32_t psp_v12_0_ring_get_wptr(struct psp_context *psp)
337{
338 uint32_t data;
339 struct amdgpu_device *adev = psp->adev;
340
341 if (amdgpu_sriov_vf(adev))
342 data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102);
343 else
344 data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
345
346 return data;
347}
348
349static void psp_v12_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
350{
351 struct amdgpu_device *adev = psp->adev;
352
353 if (amdgpu_sriov_vf(adev)) {
354 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value);
355 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD);
356 } else
357 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
358}
359
360static const struct psp_funcs psp_v12_0_funcs = {
361 .init_microcode = psp_v12_0_init_microcode,
362 .bootloader_load_sysdrv = psp_v12_0_bootloader_load_sysdrv,
363 .bootloader_load_sos = psp_v12_0_bootloader_load_sos,
364 .ring_init = psp_v12_0_ring_init,
365 .ring_create = psp_v12_0_ring_create,
366 .ring_stop = psp_v12_0_ring_stop,
367 .ring_destroy = psp_v12_0_ring_destroy,
368 .mode1_reset = psp_v12_0_mode1_reset,
369 .ring_get_wptr = psp_v12_0_ring_get_wptr,
370 .ring_set_wptr = psp_v12_0_ring_set_wptr,
371};
372
373void psp_v12_0_set_psp_funcs(struct psp_context *psp)
374{
375 psp->funcs = &psp_v12_0_funcs;
376}