1 /* 2 * Copyright 2016 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 * Author: Huang Rui 23 * 24 */ 25 26 #include <linux/firmware.h> 27 #include <linux/module.h> 28 #include <linux/pci.h> 29 30 #include "amdgpu.h" 31 #include "amdgpu_psp.h" 32 #include "amdgpu_ucode.h" 33 #include "soc15_common.h" 34 #include "psp_v3_1.h" 35 36 #include "mp/mp_9_0_offset.h" 37 #include "mp/mp_9_0_sh_mask.h" 38 #include "gc/gc_9_0_offset.h" 39 #include "sdma0/sdma0_4_0_offset.h" 40 #include "nbio/nbio_6_1_offset.h" 41 42 #include "oss/osssys_4_0_offset.h" 43 #include "oss/osssys_4_0_sh_mask.h" 44 45 MODULE_FIRMWARE("amdgpu/vega10_sos.bin"); 46 MODULE_FIRMWARE("amdgpu/vega10_asd.bin"); 47 MODULE_FIRMWARE("amdgpu/vega12_sos.bin"); 48 MODULE_FIRMWARE("amdgpu/vega12_asd.bin"); 49 50 51 #define smnMP1_FIRMWARE_FLAGS 0x3010028 52 53 static uint32_t sos_old_versions[] = {1517616, 1510592, 1448594, 1446554}; 54 55 static bool psp_v3_1_support_vmr_ring(struct psp_context *psp); 56 static int psp_v3_1_ring_stop(struct psp_context *psp, 57 enum psp_ring_type ring_type); 58 59 static int psp_v3_1_init_microcode(struct psp_context *psp) 60 { 61 struct amdgpu_device *adev = psp->adev; 62 const char *chip_name; 63 char fw_name[30]; 64 int err = 0; 65 const struct psp_firmware_header_v1_0 *hdr; 66 67 DRM_DEBUG("\n"); 68 69 switch (adev->asic_type) { 70 case CHIP_VEGA10: 71 chip_name = "vega10"; 72 break; 73 case CHIP_VEGA12: 74 chip_name = "vega12"; 75 break; 76 default: BUG(); 77 } 78 79 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sos.bin", chip_name); 80 err = request_firmware(&adev->psp.sos_fw, fw_name, adev->dev); 81 if (err) 82 goto out; 83 84 err = amdgpu_ucode_validate(adev->psp.sos_fw); 85 if (err) 86 goto out; 87 88 hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.sos_fw->data; 89 adev->psp.sos_fw_version = le32_to_cpu(hdr->header.ucode_version); 90 adev->psp.sos_feature_version = le32_to_cpu(hdr->ucode_feature_version); 91 adev->psp.sos_bin_size = le32_to_cpu(hdr->sos_size_bytes); 92 adev->psp.sys_bin_size = le32_to_cpu(hdr->header.ucode_size_bytes) - 93 le32_to_cpu(hdr->sos_size_bytes); 94 adev->psp.sys_start_addr = (uint8_t *)hdr + 95 le32_to_cpu(hdr->header.ucode_array_offset_bytes); 96 adev->psp.sos_start_addr = (uint8_t *)adev->psp.sys_start_addr + 97 le32_to_cpu(hdr->sos_offset_bytes); 98 99 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name); 100 err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev); 101 if (err) 102 goto out; 103 104 err = amdgpu_ucode_validate(adev->psp.asd_fw); 105 if (err) 106 goto out; 107 108 hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data; 109 adev->psp.asd_fw_version = le32_to_cpu(hdr->header.ucode_version); 110 adev->psp.asd_feature_version = le32_to_cpu(hdr->ucode_feature_version); 111 adev->psp.asd_ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes); 112 adev->psp.asd_start_addr = (uint8_t *)hdr + 113 le32_to_cpu(hdr->header.ucode_array_offset_bytes); 114 115 return 0; 116 out: 117 if (err) { 118 dev_err(adev->dev, 119 "psp v3.1: Failed to load firmware \"%s\"\n", 120 fw_name); 121 release_firmware(adev->psp.sos_fw); 122 adev->psp.sos_fw = NULL; 123 release_firmware(adev->psp.asd_fw); 124 adev->psp.asd_fw = NULL; 125 } 126 127 return err; 128 } 129 130 static int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp) 131 { 132 int ret; 133 uint32_t psp_gfxdrv_command_reg = 0; 134 struct amdgpu_device *adev = psp->adev; 135 uint32_t sol_reg; 136 137 /* Check sOS sign of life register to confirm sys driver and sOS 138 * are already been loaded. 139 */ 140 sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81); 141 if (sol_reg) 142 return 0; 143 144 /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */ 145 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), 146 0x80000000, 0x80000000, false); 147 if (ret) 148 return ret; 149 150 memset(psp->fw_pri_buf, 0, PSP_1_MEG); 151 152 /* Copy PSP System Driver binary to memory */ 153 memcpy(psp->fw_pri_buf, psp->sys_start_addr, psp->sys_bin_size); 154 155 /* Provide the sys driver to bootloader */ 156 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, 157 (uint32_t)(psp->fw_pri_mc_addr >> 20)); 158 psp_gfxdrv_command_reg = PSP_BL__LOAD_SYSDRV; 159 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, 160 psp_gfxdrv_command_reg); 161 162 /* there might be handshake issue with hardware which needs delay */ 163 mdelay(20); 164 165 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), 166 0x80000000, 0x80000000, false); 167 168 return ret; 169 } 170 171 static bool psp_v3_1_match_version(struct amdgpu_device *adev, uint32_t ver) 172 { 173 int i; 174 175 if (ver == adev->psp.sos_fw_version) 176 return true; 177 178 /* 179 * Double check if the latest four legacy versions. 180 * If yes, it is still the right version. 181 */ 182 for (i = 0; i < ARRAY_SIZE(sos_old_versions); i++) { 183 if (sos_old_versions[i] == adev->psp.sos_fw_version) 184 return true; 185 } 186 187 return false; 188 } 189 190 static int psp_v3_1_bootloader_load_sos(struct psp_context *psp) 191 { 192 int ret; 193 unsigned int psp_gfxdrv_command_reg = 0; 194 struct amdgpu_device *adev = psp->adev; 195 uint32_t sol_reg, ver; 196 197 /* Check sOS sign of life register to confirm sys driver and sOS 198 * are already been loaded. 199 */ 200 sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81); 201 if (sol_reg) { 202 psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58); 203 printk("sos fw version = 0x%x.\n", psp->sos_fw_version); 204 return 0; 205 } 206 207 /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */ 208 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), 209 0x80000000, 0x80000000, false); 210 if (ret) 211 return ret; 212 213 memset(psp->fw_pri_buf, 0, PSP_1_MEG); 214 215 /* Copy Secure OS binary to PSP memory */ 216 memcpy(psp->fw_pri_buf, psp->sos_start_addr, psp->sos_bin_size); 217 218 /* Provide the PSP secure OS to bootloader */ 219 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, 220 (uint32_t)(psp->fw_pri_mc_addr >> 20)); 221 psp_gfxdrv_command_reg = PSP_BL__LOAD_SOSDRV; 222 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, 223 psp_gfxdrv_command_reg); 224 225 /* there might be handshake issue with hardware which needs delay */ 226 mdelay(20); 227 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81), 228 RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81), 229 0, true); 230 231 ver = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58); 232 if (!psp_v3_1_match_version(adev, ver)) 233 DRM_WARN("SOS version doesn't match\n"); 234 235 return ret; 236 } 237 238 static int psp_v3_1_ring_init(struct psp_context *psp, 239 enum psp_ring_type ring_type) 240 { 241 int ret = 0; 242 struct psp_ring *ring; 243 struct amdgpu_device *adev = psp->adev; 244 245 ring = &psp->km_ring; 246 247 ring->ring_type = ring_type; 248 249 /* allocate 4k Page of Local Frame Buffer memory for ring */ 250 ring->ring_size = 0x1000; 251 ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE, 252 AMDGPU_GEM_DOMAIN_VRAM, 253 &adev->firmware.rbuf, 254 &ring->ring_mem_mc_addr, 255 (void **)&ring->ring_mem); 256 if (ret) { 257 ring->ring_size = 0; 258 return ret; 259 } 260 261 return 0; 262 } 263 264 static void psp_v3_1_reroute_ih(struct psp_context *psp) 265 { 266 struct amdgpu_device *adev = psp->adev; 267 uint32_t tmp; 268 269 /* Change IH ring for VMC */ 270 tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1244b); 271 tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, CLIENT_TYPE, 1); 272 tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1); 273 274 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 3); 275 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp); 276 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET); 277 278 mdelay(20); 279 psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), 280 0x80000000, 0x8000FFFF, false); 281 282 /* Change IH ring for UMC */ 283 tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1216b); 284 tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1); 285 286 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 4); 287 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp); 288 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET); 289 290 mdelay(20); 291 psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), 292 0x80000000, 0x8000FFFF, false); 293 } 294 295 static int psp_v3_1_ring_create(struct psp_context *psp, 296 enum psp_ring_type ring_type) 297 { 298 int ret = 0; 299 unsigned int psp_ring_reg = 0; 300 struct psp_ring *ring = &psp->km_ring; 301 struct amdgpu_device *adev = psp->adev; 302 303 psp_v3_1_reroute_ih(psp); 304 305 if (psp_v3_1_support_vmr_ring(psp)) { 306 ret = psp_v3_1_ring_stop(psp, ring_type); 307 if (ret) { 308 DRM_ERROR("psp_v3_1_ring_stop_sriov failed!\n"); 309 return ret; 310 } 311 312 /* Write low address of the ring to C2PMSG_102 */ 313 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr); 314 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_ring_reg); 315 /* Write high address of the ring to C2PMSG_103 */ 316 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr); 317 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_103, psp_ring_reg); 318 /* No size initialization for sriov */ 319 /* Write the ring initialization command to C2PMSG_101 */ 320 psp_ring_reg = ring_type; 321 psp_ring_reg = psp_ring_reg << 16; 322 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, psp_ring_reg); 323 324 /* there might be hardware handshake issue which needs delay */ 325 mdelay(20); 326 327 /* Wait for response flag (bit 31) in C2PMSG_101 */ 328 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, 329 mmMP0_SMN_C2PMSG_101), 0x80000000, 330 0x8000FFFF, false); 331 } else { 332 333 /* Write low address of the ring to C2PMSG_69 */ 334 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr); 335 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg); 336 /* Write high address of the ring to C2PMSG_70 */ 337 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr); 338 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg); 339 /* Write size of ring to C2PMSG_71 */ 340 psp_ring_reg = ring->ring_size; 341 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg); 342 /* Write the ring initialization command to C2PMSG_64 */ 343 psp_ring_reg = ring_type; 344 psp_ring_reg = psp_ring_reg << 16; 345 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg); 346 347 /* there might be hardware handshake issue which needs delay */ 348 mdelay(20); 349 350 /* Wait for response flag (bit 31) in C2PMSG_64 */ 351 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, 352 mmMP0_SMN_C2PMSG_64), 0x80000000, 353 0x8000FFFF, false); 354 355 } 356 return ret; 357 } 358 359 static int psp_v3_1_ring_stop(struct psp_context *psp, 360 enum psp_ring_type ring_type) 361 { 362 int ret = 0; 363 unsigned int psp_ring_reg = 0; 364 struct amdgpu_device *adev = psp->adev; 365 366 if (psp_v3_1_support_vmr_ring(psp)) { 367 /* Write the Destroy GPCOM ring command to C2PMSG_101 */ 368 psp_ring_reg = GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING; 369 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, psp_ring_reg); 370 371 /* there might be handshake issue which needs delay */ 372 mdelay(20); 373 374 /* Wait for response flag (bit 31) in C2PMSG_101 */ 375 ret = psp_wait_for(psp, 376 SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101), 377 0x80000000, 0x80000000, false); 378 } else { 379 /* Write the ring destroy command to C2PMSG_64 */ 380 psp_ring_reg = 3 << 16; 381 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg); 382 383 /* there might be handshake issue which needs delay */ 384 mdelay(20); 385 386 /* Wait for response flag (bit 31) in C2PMSG_64 */ 387 ret = psp_wait_for(psp, 388 SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), 389 0x80000000, 0x80000000, false); 390 } 391 392 return ret; 393 } 394 395 static int psp_v3_1_ring_destroy(struct psp_context *psp, 396 enum psp_ring_type ring_type) 397 { 398 int ret = 0; 399 struct psp_ring *ring = &psp->km_ring; 400 struct amdgpu_device *adev = psp->adev; 401 402 ret = psp_v3_1_ring_stop(psp, ring_type); 403 if (ret) 404 DRM_ERROR("Fail to stop psp ring\n"); 405 406 amdgpu_bo_free_kernel(&adev->firmware.rbuf, 407 &ring->ring_mem_mc_addr, 408 (void **)&ring->ring_mem); 409 410 return ret; 411 } 412 413 static int 414 psp_v3_1_sram_map(struct amdgpu_device *adev, 415 unsigned int *sram_offset, unsigned int *sram_addr_reg_offset, 416 unsigned int *sram_data_reg_offset, 417 enum AMDGPU_UCODE_ID ucode_id) 418 { 419 int ret = 0; 420 421 switch(ucode_id) { 422 /* TODO: needs to confirm */ 423 #if 0 424 case AMDGPU_UCODE_ID_SMC: 425 *sram_offset = 0; 426 *sram_addr_reg_offset = 0; 427 *sram_data_reg_offset = 0; 428 break; 429 #endif 430 431 case AMDGPU_UCODE_ID_CP_CE: 432 *sram_offset = 0x0; 433 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_ADDR); 434 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_DATA); 435 break; 436 437 case AMDGPU_UCODE_ID_CP_PFP: 438 *sram_offset = 0x0; 439 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_ADDR); 440 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_DATA); 441 break; 442 443 case AMDGPU_UCODE_ID_CP_ME: 444 *sram_offset = 0x0; 445 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_ADDR); 446 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_DATA); 447 break; 448 449 case AMDGPU_UCODE_ID_CP_MEC1: 450 *sram_offset = 0x10000; 451 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_ADDR); 452 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_DATA); 453 break; 454 455 case AMDGPU_UCODE_ID_CP_MEC2: 456 *sram_offset = 0x10000; 457 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_ADDR); 458 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_DATA); 459 break; 460 461 case AMDGPU_UCODE_ID_RLC_G: 462 *sram_offset = 0x2000; 463 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_ADDR); 464 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_DATA); 465 break; 466 467 case AMDGPU_UCODE_ID_SDMA0: 468 *sram_offset = 0x0; 469 *sram_addr_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_ADDR); 470 *sram_data_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_DATA); 471 break; 472 473 /* TODO: needs to confirm */ 474 #if 0 475 case AMDGPU_UCODE_ID_SDMA1: 476 *sram_offset = ; 477 *sram_addr_reg_offset = ; 478 break; 479 480 case AMDGPU_UCODE_ID_UVD: 481 *sram_offset = ; 482 *sram_addr_reg_offset = ; 483 break; 484 485 case AMDGPU_UCODE_ID_VCE: 486 *sram_offset = ; 487 *sram_addr_reg_offset = ; 488 break; 489 #endif 490 491 case AMDGPU_UCODE_ID_MAXIMUM: 492 default: 493 ret = -EINVAL; 494 break; 495 } 496 497 return ret; 498 } 499 500 static bool psp_v3_1_compare_sram_data(struct psp_context *psp, 501 struct amdgpu_firmware_info *ucode, 502 enum AMDGPU_UCODE_ID ucode_type) 503 { 504 int err = 0; 505 unsigned int fw_sram_reg_val = 0; 506 unsigned int fw_sram_addr_reg_offset = 0; 507 unsigned int fw_sram_data_reg_offset = 0; 508 unsigned int ucode_size; 509 uint32_t *ucode_mem = NULL; 510 struct amdgpu_device *adev = psp->adev; 511 512 err = psp_v3_1_sram_map(adev, &fw_sram_reg_val, &fw_sram_addr_reg_offset, 513 &fw_sram_data_reg_offset, ucode_type); 514 if (err) 515 return false; 516 517 WREG32(fw_sram_addr_reg_offset, fw_sram_reg_val); 518 519 ucode_size = ucode->ucode_size; 520 ucode_mem = (uint32_t *)ucode->kaddr; 521 while (ucode_size) { 522 fw_sram_reg_val = RREG32(fw_sram_data_reg_offset); 523 524 if (*ucode_mem != fw_sram_reg_val) 525 return false; 526 527 ucode_mem++; 528 /* 4 bytes */ 529 ucode_size -= 4; 530 } 531 532 return true; 533 } 534 535 static bool psp_v3_1_smu_reload_quirk(struct psp_context *psp) 536 { 537 struct amdgpu_device *adev = psp->adev; 538 uint32_t reg; 539 540 reg = RREG32_PCIE(smnMP1_FIRMWARE_FLAGS | 0x03b00000); 541 return (reg & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) ? true : false; 542 } 543 544 static int psp_v3_1_mode1_reset(struct psp_context *psp) 545 { 546 int ret; 547 uint32_t offset; 548 struct amdgpu_device *adev = psp->adev; 549 550 offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64); 551 552 ret = psp_wait_for(psp, offset, 0x80000000, 0x8000FFFF, false); 553 554 if (ret) { 555 DRM_INFO("psp is not working correctly before mode1 reset!\n"); 556 return -EINVAL; 557 } 558 559 /*send the mode 1 reset command*/ 560 WREG32(offset, GFX_CTRL_CMD_ID_MODE1_RST); 561 562 msleep(500); 563 564 offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_33); 565 566 ret = psp_wait_for(psp, offset, 0x80000000, 0x80000000, false); 567 568 if (ret) { 569 DRM_INFO("psp mode 1 reset failed!\n"); 570 return -EINVAL; 571 } 572 573 DRM_INFO("psp mode1 reset succeed \n"); 574 575 return 0; 576 } 577 578 static bool psp_v3_1_support_vmr_ring(struct psp_context *psp) 579 { 580 if (amdgpu_sriov_vf(psp->adev)) 581 return true; 582 583 return false; 584 } 585 586 static uint32_t psp_v3_1_ring_get_wptr(struct psp_context *psp) 587 { 588 uint32_t data; 589 struct amdgpu_device *adev = psp->adev; 590 591 if (psp_v3_1_support_vmr_ring(psp)) 592 data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102); 593 else 594 data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67); 595 return data; 596 } 597 598 static void psp_v3_1_ring_set_wptr(struct psp_context *psp, uint32_t value) 599 { 600 struct amdgpu_device *adev = psp->adev; 601 602 if (psp_v3_1_support_vmr_ring(psp)) { 603 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value); 604 /* send interrupt to PSP for SRIOV ring write pointer update */ 605 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, 606 GFX_CTRL_CMD_ID_CONSUME_CMD); 607 } else 608 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value); 609 } 610 611 static const struct psp_funcs psp_v3_1_funcs = { 612 .init_microcode = psp_v3_1_init_microcode, 613 .bootloader_load_sysdrv = psp_v3_1_bootloader_load_sysdrv, 614 .bootloader_load_sos = psp_v3_1_bootloader_load_sos, 615 .ring_init = psp_v3_1_ring_init, 616 .ring_create = psp_v3_1_ring_create, 617 .ring_stop = psp_v3_1_ring_stop, 618 .ring_destroy = psp_v3_1_ring_destroy, 619 .compare_sram_data = psp_v3_1_compare_sram_data, 620 .smu_reload_quirk = psp_v3_1_smu_reload_quirk, 621 .mode1_reset = psp_v3_1_mode1_reset, 622 .support_vmr_ring = psp_v3_1_support_vmr_ring, 623 .ring_get_wptr = psp_v3_1_ring_get_wptr, 624 .ring_set_wptr = psp_v3_1_ring_set_wptr, 625 }; 626 627 void psp_v3_1_set_psp_funcs(struct psp_context *psp) 628 { 629 psp->funcs = &psp_v3_1_funcs; 630 } 631