drivers/gpu/drm/amd/amdgpu/psp_v11_0.c

   1 /*
   2  * Copyright 2018 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  */
  22
  23 #include <linux/firmware.h>
  24 #include <linux/module.h>
  25 #include <linux/vmalloc.h>
  26
  27 #include "amdgpu.h"
  28 #include "amdgpu_psp.h"
  29 #include "amdgpu_ras.h"
  30 #include "amdgpu_ucode.h"
  31 #include "soc15_common.h"
  32 #include "psp_v11_0.h"
  33
  34 #include "mp/mp_11_0_offset.h"
  35 #include "mp/mp_11_0_sh_mask.h"
  36 #include "gc/gc_9_0_offset.h"
  37 #include "sdma0/sdma0_4_0_offset.h"
  38 #include "nbio/nbio_7_4_offset.h"
  39
  40 #include "oss/osssys_4_0_offset.h"
  41 #include "oss/osssys_4_0_sh_mask.h"
  42
  43 MODULE_FIRMWARE("amdgpu/vega20_sos.bin");
  44 MODULE_FIRMWARE("amdgpu/vega20_asd.bin");
  45 MODULE_FIRMWARE("amdgpu/vega20_ta.bin");
  46 MODULE_FIRMWARE("amdgpu/navi10_sos.bin");
  47 MODULE_FIRMWARE("amdgpu/navi10_asd.bin");
  48 MODULE_FIRMWARE("amdgpu/navi10_ta.bin");
  49 MODULE_FIRMWARE("amdgpu/navi14_sos.bin");
  50 MODULE_FIRMWARE("amdgpu/navi14_asd.bin");
  51 MODULE_FIRMWARE("amdgpu/navi14_ta.bin");
  52 MODULE_FIRMWARE("amdgpu/navi12_sos.bin");
  53 MODULE_FIRMWARE("amdgpu/navi12_asd.bin");
  54 MODULE_FIRMWARE("amdgpu/navi12_ta.bin");
  55 MODULE_FIRMWARE("amdgpu/arcturus_sos.bin");
  56 MODULE_FIRMWARE("amdgpu/arcturus_asd.bin");
  57 MODULE_FIRMWARE("amdgpu/arcturus_ta.bin");
  58 MODULE_FIRMWARE("amdgpu/sienna_cichlid_sos.bin");
  59 MODULE_FIRMWARE("amdgpu/sienna_cichlid_ta.bin");
  60 MODULE_FIRMWARE("amdgpu/navy_flounder_sos.bin");
  61 MODULE_FIRMWARE("amdgpu/navy_flounder_ta.bin");
  62 MODULE_FIRMWARE("amdgpu/vangogh_asd.bin");
  63 MODULE_FIRMWARE("amdgpu/vangogh_toc.bin");
  64 MODULE_FIRMWARE("amdgpu/dimgrey_cavefish_sos.bin");
  65 MODULE_FIRMWARE("amdgpu/dimgrey_cavefish_ta.bin");
  66
  67 /* address block */
  68 #define smnMP1_FIRMWARE_FLAGS           0x3010024
  69 /* navi10 reg offset define */
  70 #define mmRLC_GPM_UCODE_ADDR_NV10       0x5b61
  71 #define mmRLC_GPM_UCODE_DATA_NV10       0x5b62
  72 #define mmSDMA0_UCODE_ADDR_NV10         0x5880
  73 #define mmSDMA0_UCODE_DATA_NV10         0x5881
  74 /* memory training timeout define */
  75 #define MEM_TRAIN_SEND_MSG_TIMEOUT_US   3000000
  76
  77 /* For large FW files the time to complete can be very long */
  78 #define USBC_PD_POLLING_LIMIT_S 240
  79
  80 static int psp_v11_0_init_microcode(struct psp_context *psp)
  81 {
  82         struct amdgpu_device *adev = psp->adev;
  83         const char *chip_name;
  84         char fw_name[PSP_FW_NAME_LEN];
  85         int err = 0;
  86         const struct ta_firmware_header_v1_0 *ta_hdr;
  87
  88         DRM_DEBUG("\n");
  89
  90         switch (adev->asic_type) {
  91         case CHIP_VEGA20:
  92                 chip_name = "vega20";
  93                 break;
  94         case CHIP_NAVI10:
  95                 chip_name = "navi10";
  96                 break;
  97         case CHIP_NAVI14:
  98                 chip_name = "navi14";
  99                 break;
 100         case CHIP_NAVI12:
 101                 chip_name = "navi12";
 102                 break;
 103         case CHIP_ARCTURUS:
 104                 chip_name = "arcturus";
 105                 break;
 106         case CHIP_SIENNA_CICHLID:
 107                 chip_name = "sienna_cichlid";
 108                 break;
 109         case CHIP_NAVY_FLOUNDER:
 110                 chip_name = "navy_flounder";
 111                 break;
 112         case CHIP_VANGOGH:
 113                 chip_name = "vangogh";
 114                 break;
 115         case CHIP_DIMGREY_CAVEFISH:
 116                 chip_name = "dimgrey_cavefish";
 117                 break;
 118         default:
 119                 BUG();
 120         }
 121
 122
 123         switch (adev->asic_type) {
 124         case CHIP_VEGA20:
 125         case CHIP_ARCTURUS:
 126                 err = psp_init_sos_microcode(psp, chip_name);
 127                 if (err)
 128                         return err;
 129                 err = psp_init_asd_microcode(psp, chip_name);
 130                 if (err)
 131                         return err;
 132                 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name);
 133                 err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev);
 134                 if (err) {
 135                         release_firmware(adev->psp.ta_fw);
 136                         adev->psp.ta_fw = NULL;
 137                         dev_info(adev->dev,
 138                                  "psp v11.0: Failed to load firmware \"%s\"\n", fw_name);
 139                 } else {
 140                         err = amdgpu_ucode_validate(adev->psp.ta_fw);
 141                         if (err)
 142                                 goto out2;
 143
 144                         ta_hdr = (const struct ta_firmware_header_v1_0 *)adev->psp.ta_fw->data;
 145                         adev->psp.ta_xgmi_ucode_version = le32_to_cpu(ta_hdr->ta_xgmi_ucode_version);
 146                         adev->psp.ta_xgmi_ucode_size = le32_to_cpu(ta_hdr->ta_xgmi_size_bytes);
 147                         adev->psp.ta_xgmi_start_addr = (uint8_t *)ta_hdr +
 148                                 le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes);
 149                         adev->psp.ta_fw_version = le32_to_cpu(ta_hdr->header.ucode_version);
 150                         adev->psp.ta_ras_ucode_version = le32_to_cpu(ta_hdr->ta_ras_ucode_version);
 151                         adev->psp.ta_ras_ucode_size = le32_to_cpu(ta_hdr->ta_ras_size_bytes);
 152                         adev->psp.ta_ras_start_addr = (uint8_t *)adev->psp.ta_xgmi_start_addr +
 153                                 le32_to_cpu(ta_hdr->ta_ras_offset_bytes);
 154                 }
 155                 break;
 156         case CHIP_NAVI10:
 157         case CHIP_NAVI14:
 158         case CHIP_NAVI12:
 159                 err = psp_init_sos_microcode(psp, chip_name);
 160                 if (err)
 161                         return err;
 162                 err = psp_init_asd_microcode(psp, chip_name);
 163                 if (err)
 164                         return err;
 165                 if (amdgpu_sriov_vf(adev))
 166                         break;
 167                 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name);
 168                 err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev);
 169                 if (err) {
 170                         release_firmware(adev->psp.ta_fw);
 171                         adev->psp.ta_fw = NULL;
 172                         dev_info(adev->dev,
 173                                  "psp v11.0: Failed to load firmware \"%s\"\n", fw_name);
 174                 } else {
 175                         err = amdgpu_ucode_validate(adev->psp.ta_fw);
 176                         if (err)
 177                                 goto out2;
 178
 179                         ta_hdr = (const struct ta_firmware_header_v1_0 *)adev->psp.ta_fw->data;
 180                         adev->psp.ta_hdcp_ucode_version = le32_to_cpu(ta_hdr->ta_hdcp_ucode_version);
 181                         adev->psp.ta_hdcp_ucode_size = le32_to_cpu(ta_hdr->ta_hdcp_size_bytes);
 182                         adev->psp.ta_hdcp_start_addr = (uint8_t *)ta_hdr +
 183                                 le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes);
 184
 185                         adev->psp.ta_fw_version = le32_to_cpu(ta_hdr->header.ucode_version);
 186
 187                         adev->psp.ta_dtm_ucode_version = le32_to_cpu(ta_hdr->ta_dtm_ucode_version);
 188                         adev->psp.ta_dtm_ucode_size = le32_to_cpu(ta_hdr->ta_dtm_size_bytes);
 189                         adev->psp.ta_dtm_start_addr = (uint8_t *)adev->psp.ta_hdcp_start_addr +
 190                                 le32_to_cpu(ta_hdr->ta_dtm_offset_bytes);
 191                 }
 192                 break;
 193         case CHIP_SIENNA_CICHLID:
 194         case CHIP_NAVY_FLOUNDER:
 195         case CHIP_DIMGREY_CAVEFISH:
 196                 err = psp_init_sos_microcode(psp, chip_name);
 197                 if (err)
 198                         return err;
 199                 err = psp_init_ta_microcode(psp, chip_name);
 200                 if (err)
 201                         return err;
 202                 break;
 203         case CHIP_VANGOGH:
 204                 err = psp_init_asd_microcode(psp, chip_name);
 205                 if (err)
 206                         return err;
 207                 err = psp_init_toc_microcode(psp, chip_name);
 208                 if (err)
 209                         return err;
 210                 break;
 211         default:
 212                 BUG();
 213         }
 214
 215         return 0;
 216
 217 out2:
 218         release_firmware(adev->psp.ta_fw);
 219         adev->psp.ta_fw = NULL;
 220         return err;
 221 }
 222
 223 static int psp_v11_0_wait_for_bootloader(struct psp_context *psp)
 224 {
 225         struct amdgpu_device *adev = psp->adev;
 226
 227         int ret;
 228         int retry_loop;
 229
 230         for (retry_loop = 0; retry_loop < 10; retry_loop++) {
 231                 /* Wait for bootloader to signify that is
 232                     ready having bit 31 of C2PMSG_35 set to 1 */
 233                 ret = psp_wait_for(psp,
 234                                    SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
 235                                    0x80000000,
 236                                    0x80000000,
 237                                    false);
 238
 239                 if (ret == 0)
 240                         return 0;
 241         }
 242
 243         return ret;
 244 }
 245
 246 static bool psp_v11_0_is_sos_alive(struct psp_context *psp)
 247 {
 248         struct amdgpu_device *adev = psp->adev;
 249         uint32_t sol_reg;
 250
 251         sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
 252
 253         return sol_reg != 0x0;
 254 }
 255
 256 static int psp_v11_0_bootloader_load_kdb(struct psp_context *psp)
 257 {
 258         int ret;
 259         uint32_t psp_gfxdrv_command_reg = 0;
 260         struct amdgpu_device *adev = psp->adev;
 261
 262         /* Check tOS sign of life register to confirm sys driver and sOS
 263          * are already been loaded.
 264          */
 265         if (psp_v11_0_is_sos_alive(psp))
 266                 return 0;
 267
 268         ret = psp_v11_0_wait_for_bootloader(psp);
 269         if (ret)
 270                 return ret;
 271
 272         memset(psp->fw_pri_buf, 0, PSP_1_MEG);
 273
 274         /* Copy PSP KDB binary to memory */
 275         memcpy(psp->fw_pri_buf, psp->kdb_start_addr, psp->kdb_bin_size);
 276
 277         /* Provide the PSP KDB to bootloader */
 278         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
 279                (uint32_t)(psp->fw_pri_mc_addr >> 20));
 280         psp_gfxdrv_command_reg = PSP_BL__LOAD_KEY_DATABASE;
 281         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
 282                psp_gfxdrv_command_reg);
 283
 284         ret = psp_v11_0_wait_for_bootloader(psp);
 285
 286         return ret;
 287 }
 288
 289 static int psp_v11_0_bootloader_load_spl(struct psp_context *psp)
 290 {
 291         int ret;
 292         uint32_t psp_gfxdrv_command_reg = 0;
 293         struct amdgpu_device *adev = psp->adev;
 294
 295         /* Check tOS sign of life register to confirm sys driver and sOS
 296          * are already been loaded.
 297          */
 298         if (psp_v11_0_is_sos_alive(psp))
 299                 return 0;
 300
 301         ret = psp_v11_0_wait_for_bootloader(psp);
 302         if (ret)
 303                 return ret;
 304
 305         memset(psp->fw_pri_buf, 0, PSP_1_MEG);
 306
 307         /* Copy PSP SPL binary to memory */
 308         memcpy(psp->fw_pri_buf, psp->spl_start_addr, psp->spl_bin_size);
 309
 310         /* Provide the PSP SPL to bootloader */
 311         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
 312                (uint32_t)(psp->fw_pri_mc_addr >> 20));
 313         psp_gfxdrv_command_reg = PSP_BL__LOAD_TOS_SPL_TABLE;
 314         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
 315                psp_gfxdrv_command_reg);
 316
 317         ret = psp_v11_0_wait_for_bootloader(psp);
 318
 319         return ret;
 320 }
 321
 322 static int psp_v11_0_bootloader_load_sysdrv(struct psp_context *psp)
 323 {
 324         int ret;
 325         uint32_t psp_gfxdrv_command_reg = 0;
 326         struct amdgpu_device *adev = psp->adev;
 327
 328         /* Check sOS sign of life register to confirm sys driver and sOS
 329          * are already been loaded.
 330          */
 331         if (psp_v11_0_is_sos_alive(psp))
 332                 return 0;
 333
 334         ret = psp_v11_0_wait_for_bootloader(psp);
 335         if (ret)
 336                 return ret;
 337
 338         memset(psp->fw_pri_buf, 0, PSP_1_MEG);
 339
 340         /* Copy PSP System Driver binary to memory */
 341         memcpy(psp->fw_pri_buf, psp->sys_start_addr, psp->sys_bin_size);
 342
 343         /* Provide the sys driver to bootloader */
 344         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
 345                (uint32_t)(psp->fw_pri_mc_addr >> 20));
 346         psp_gfxdrv_command_reg = PSP_BL__LOAD_SYSDRV;
 347         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
 348                psp_gfxdrv_command_reg);
 349
 350         /* there might be handshake issue with hardware which needs delay */
 351         mdelay(20);
 352
 353         ret = psp_v11_0_wait_for_bootloader(psp);
 354
 355         return ret;
 356 }
 357
 358 static int psp_v11_0_bootloader_load_sos(struct psp_context *psp)
 359 {
 360         int ret;
 361         unsigned int psp_gfxdrv_command_reg = 0;
 362         struct amdgpu_device *adev = psp->adev;
 363
 364         /* Check sOS sign of life register to confirm sys driver and sOS
 365          * are already been loaded.
 366          */
 367         if (psp_v11_0_is_sos_alive(psp))
 368                 return 0;
 369
 370         ret = psp_v11_0_wait_for_bootloader(psp);
 371         if (ret)
 372                 return ret;
 373
 374         memset(psp->fw_pri_buf, 0, PSP_1_MEG);
 375
 376         /* Copy Secure OS binary to PSP memory */
 377         memcpy(psp->fw_pri_buf, psp->sos_start_addr, psp->sos_bin_size);
 378
 379         /* Provide the PSP secure OS to bootloader */
 380         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
 381                (uint32_t)(psp->fw_pri_mc_addr >> 20));
 382         psp_gfxdrv_command_reg = PSP_BL__LOAD_SOSDRV;
 383         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
 384                psp_gfxdrv_command_reg);
 385
 386         /* there might be handshake issue with hardware which needs delay */
 387         mdelay(20);
 388         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81),
 389                            RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81),
 390                            0, true);
 391
 392         return ret;
 393 }
 394
 395 static int psp_v11_0_ring_init(struct psp_context *psp,
 396                               enum psp_ring_type ring_type)
 397 {
 398         int ret = 0;
 399         struct psp_ring *ring;
 400         struct amdgpu_device *adev = psp->adev;
 401
 402         ring = &psp->km_ring;
 403
 404         ring->ring_type = ring_type;
 405
 406         /* allocate 4k Page of Local Frame Buffer memory for ring */
 407         ring->ring_size = 0x1000;
 408         ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
 409                                       AMDGPU_GEM_DOMAIN_VRAM,
 410                                       &adev->firmware.rbuf,
 411                                       &ring->ring_mem_mc_addr,
 412                                       (void **)&ring->ring_mem);
 413         if (ret) {
 414                 ring->ring_size = 0;
 415                 return ret;
 416         }
 417
 418         return 0;
 419 }
 420
 421 static int psp_v11_0_ring_stop(struct psp_context *psp,
 422                               enum psp_ring_type ring_type)
 423 {
 424         int ret = 0;
 425         struct amdgpu_device *adev = psp->adev;
 426
 427         /* Write the ring destroy command*/
 428         if (amdgpu_sriov_vf(adev))
 429                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
 430                                      GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
 431         else
 432                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64,
 433                                      GFX_CTRL_CMD_ID_DESTROY_RINGS);
 434
 435         /* there might be handshake issue with hardware which needs delay */
 436         mdelay(20);
 437
 438         /* Wait for response flag (bit 31) */
 439         if (amdgpu_sriov_vf(adev))
 440                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
 441                                    0x80000000, 0x80000000, false);
 442         else
 443                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
 444                                    0x80000000, 0x80000000, false);
 445
 446         return ret;
 447 }
 448
 449 static int psp_v11_0_ring_create(struct psp_context *psp,
 450                                 enum psp_ring_type ring_type)
 451 {
 452         int ret = 0;
 453         unsigned int psp_ring_reg = 0;
 454         struct psp_ring *ring = &psp->km_ring;
 455         struct amdgpu_device *adev = psp->adev;
 456
 457         if (amdgpu_sriov_vf(adev)) {
 458                 ret = psp_v11_0_ring_stop(psp, ring_type);
 459                 if (ret) {
 460                         DRM_ERROR("psp_v11_0_ring_stop_sriov failed!\n");
 461                         return ret;
 462                 }
 463
 464                 /* Write low address of the ring to C2PMSG_102 */
 465                 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
 466                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_ring_reg);
 467                 /* Write high address of the ring to C2PMSG_103 */
 468                 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
 469                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_103, psp_ring_reg);
 470
 471                 /* Write the ring initialization command to C2PMSG_101 */
 472                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
 473                                              GFX_CTRL_CMD_ID_INIT_GPCOM_RING);
 474
 475                 /* there might be handshake issue with hardware which needs delay */
 476                 mdelay(20);
 477
 478                 /* Wait for response flag (bit 31) in C2PMSG_101 */
 479                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
 480                                    0x80000000, 0x8000FFFF, false);
 481
 482         } else {
 483                 /* Wait for sOS ready for ring creation */
 484                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
 485                                    0x80000000, 0x80000000, false);
 486                 if (ret) {
 487                         DRM_ERROR("Failed to wait for sOS ready for ring creation\n");
 488                         return ret;
 489                 }
 490
 491                 /* Write low address of the ring to C2PMSG_69 */
 492                 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
 493                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
 494                 /* Write high address of the ring to C2PMSG_70 */
 495                 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
 496                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
 497                 /* Write size of ring to C2PMSG_71 */
 498                 psp_ring_reg = ring->ring_size;
 499                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
 500                 /* Write the ring initialization command to C2PMSG_64 */
 501                 psp_ring_reg = ring_type;
 502                 psp_ring_reg = psp_ring_reg << 16;
 503                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
 504
 505                 /* there might be handshake issue with hardware which needs delay */
 506                 mdelay(20);
 507
 508                 /* Wait for response flag (bit 31) in C2PMSG_64 */
 509                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
 510                                    0x80000000, 0x8000FFFF, false);
 511         }
 512
 513         return ret;
 514 }
 515
 516
 517 static int psp_v11_0_ring_destroy(struct psp_context *psp,
 518                                  enum psp_ring_type ring_type)
 519 {
 520         int ret = 0;
 521         struct psp_ring *ring = &psp->km_ring;
 522         struct amdgpu_device *adev = psp->adev;
 523
 524         ret = psp_v11_0_ring_stop(psp, ring_type);
 525         if (ret)
 526                 DRM_ERROR("Fail to stop psp ring\n");
 527
 528         amdgpu_bo_free_kernel(&adev->firmware.rbuf,
 529                               &ring->ring_mem_mc_addr,
 530                               (void **)&ring->ring_mem);
 531
 532         return ret;
 533 }
 534
 535 static int psp_v11_0_mode1_reset(struct psp_context *psp)
 536 {
 537         int ret;
 538         uint32_t offset;
 539         struct amdgpu_device *adev = psp->adev;
 540
 541         offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64);
 542
 543         ret = psp_wait_for(psp, offset, 0x80000000, 0x8000FFFF, false);
 544
 545         if (ret) {
 546                 DRM_INFO("psp is not working correctly before mode1 reset!\n");
 547                 return -EINVAL;
 548         }
 549
 550         /*send the mode 1 reset command*/
 551         WREG32(offset, GFX_CTRL_CMD_ID_MODE1_RST);
 552
 553         msleep(500);
 554
 555         offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_33);
 556
 557         ret = psp_wait_for(psp, offset, 0x80000000, 0x80000000, false);
 558
 559         if (ret) {
 560                 DRM_INFO("psp mode 1 reset failed!\n");
 561                 return -EINVAL;
 562         }
 563
 564         DRM_INFO("psp mode1 reset succeed \n");
 565
 566         return 0;
 567 }
 568
 569 static int psp_v11_0_memory_training_send_msg(struct psp_context *psp, int msg)
 570 {
 571         int ret;
 572         int i;
 573         uint32_t data_32;
 574         int max_wait;
 575         struct amdgpu_device *adev = psp->adev;
 576
 577         data_32 = (psp->mem_train_ctx.c2p_train_data_offset >> 20);
 578         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, data_32);
 579         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, msg);
 580
 581         max_wait = MEM_TRAIN_SEND_MSG_TIMEOUT_US / adev->usec_timeout;
 582         for (i = 0; i < max_wait; i++) {
 583                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
 584                                    0x80000000, 0x80000000, false);
 585                 if (ret == 0)
 586                         break;
 587         }
 588         if (i < max_wait)
 589                 ret = 0;
 590         else
 591                 ret = -ETIME;
 592
 593         DRM_DEBUG("training %s %s, cost %d @ %d ms\n",
 594                   (msg == PSP_BL__DRAM_SHORT_TRAIN) ? "short" : "long",
 595                   (ret == 0) ? "succeed" : "failed",
 596                   i, adev->usec_timeout/1000);
 597         return ret;
 598 }
 599
 600 /*
 601  * save and restore process
 602  */
 603 static int psp_v11_0_memory_training(struct psp_context *psp, uint32_t ops)
 604 {
 605         struct psp_memory_training_context *ctx = &psp->mem_train_ctx;
 606         uint32_t *pcache = (uint32_t *)ctx->sys_cache;
 607         struct amdgpu_device *adev = psp->adev;
 608         uint32_t p2c_header[4];
 609         uint32_t sz;
 610         void *buf;
 611         int ret;
 612
 613         if (ctx->init == PSP_MEM_TRAIN_NOT_SUPPORT) {
 614                 DRM_DEBUG("Memory training is not supported.\n");
 615                 return 0;
 616         } else if (ctx->init != PSP_MEM_TRAIN_INIT_SUCCESS) {
 617                 DRM_ERROR("Memory training initialization failure.\n");
 618                 return -EINVAL;
 619         }
 620
 621         if (psp_v11_0_is_sos_alive(psp)) {
 622                 DRM_DEBUG("SOS is alive, skip memory training.\n");
 623                 return 0;
 624         }
 625
 626         amdgpu_device_vram_access(adev, ctx->p2c_train_data_offset, p2c_header, sizeof(p2c_header), false);
 627         DRM_DEBUG("sys_cache[%08x,%08x,%08x,%08x] p2c_header[%08x,%08x,%08x,%08x]\n",
 628                   pcache[0], pcache[1], pcache[2], pcache[3],
 629                   p2c_header[0], p2c_header[1], p2c_header[2], p2c_header[3]);
 630
 631         if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) {
 632                 DRM_DEBUG("Short training depends on restore.\n");
 633                 ops |= PSP_MEM_TRAIN_RESTORE;
 634         }
 635
 636         if ((ops & PSP_MEM_TRAIN_RESTORE) &&
 637             pcache[0] != MEM_TRAIN_SYSTEM_SIGNATURE) {
 638                 DRM_DEBUG("sys_cache[0] is invalid, restore depends on save.\n");
 639                 ops |= PSP_MEM_TRAIN_SAVE;
 640         }
 641
 642         if (p2c_header[0] == MEM_TRAIN_SYSTEM_SIGNATURE &&
 643             !(pcache[0] == MEM_TRAIN_SYSTEM_SIGNATURE &&
 644               pcache[3] == p2c_header[3])) {
 645                 DRM_DEBUG("sys_cache is invalid or out-of-date, need save training data to sys_cache.\n");
 646                 ops |= PSP_MEM_TRAIN_SAVE;
 647         }
 648
 649         if ((ops & PSP_MEM_TRAIN_SAVE) &&
 650             p2c_header[0] != MEM_TRAIN_SYSTEM_SIGNATURE) {
 651                 DRM_DEBUG("p2c_header[0] is invalid, save depends on long training.\n");
 652                 ops |= PSP_MEM_TRAIN_SEND_LONG_MSG;
 653         }
 654
 655         if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) {
 656                 ops &= ~PSP_MEM_TRAIN_SEND_SHORT_MSG;
 657                 ops |= PSP_MEM_TRAIN_SAVE;
 658         }
 659
 660         DRM_DEBUG("Memory training ops:%x.\n", ops);
 661
 662         if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) {
 663                 /*
 664                  * Long training will encroach a certain amount on the bottom of VRAM;
 665                  * save the content from the bottom of VRAM to system memory
 666                  * before training, and restore it after training to avoid
 667                  * VRAM corruption.
 668                  */
 669                 sz = GDDR6_MEM_TRAINING_ENCROACHED_SIZE;
 670
 671                 if (adev->gmc.visible_vram_size < sz || !adev->mman.aper_base_kaddr) {
 672                         DRM_ERROR("visible_vram_size %llx or aper_base_kaddr %p is not initialized.\n",
 673                                   adev->gmc.visible_vram_size,
 674                                   adev->mman.aper_base_kaddr);
 675                         return -EINVAL;
 676                 }
 677
 678                 buf = vmalloc(sz);
 679                 if (!buf) {
 680                         DRM_ERROR("failed to allocate system memory.\n");
 681                         return -ENOMEM;
 682                 }
 683
 684                 memcpy_fromio(buf, adev->mman.aper_base_kaddr, sz);
 685                 ret = psp_v11_0_memory_training_send_msg(psp, PSP_BL__DRAM_LONG_TRAIN);
 686                 if (ret) {
 687                         DRM_ERROR("Send long training msg failed.\n");
 688                         vfree(buf);
 689                         return ret;
 690                 }
 691
 692                 memcpy_toio(adev->mman.aper_base_kaddr, buf, sz);
 693                 adev->hdp.funcs->flush_hdp(adev, NULL);
 694                 vfree(buf);
 695         }
 696
 697         if (ops & PSP_MEM_TRAIN_SAVE) {
 698                 amdgpu_device_vram_access(psp->adev, ctx->p2c_train_data_offset, ctx->sys_cache, ctx->train_data_size, false);
 699         }
 700
 701         if (ops & PSP_MEM_TRAIN_RESTORE) {
 702                 amdgpu_device_vram_access(psp->adev, ctx->c2p_train_data_offset, ctx->sys_cache, ctx->train_data_size, true);
 703         }
 704
 705         if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) {
 706                 ret = psp_v11_0_memory_training_send_msg(psp, (amdgpu_force_long_training > 0) ?
 707                                                          PSP_BL__DRAM_LONG_TRAIN : PSP_BL__DRAM_SHORT_TRAIN);
 708                 if (ret) {
 709                         DRM_ERROR("send training msg failed.\n");
 710                         return ret;
 711                 }
 712         }
 713         ctx->training_cnt++;
 714         return 0;
 715 }
 716
 717 static uint32_t psp_v11_0_ring_get_wptr(struct psp_context *psp)
 718 {
 719         uint32_t data;
 720         struct amdgpu_device *adev = psp->adev;
 721
 722         if (amdgpu_sriov_vf(adev))
 723                 data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102);
 724         else
 725                 data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
 726
 727         return data;
 728 }
 729
 730 static void psp_v11_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
 731 {
 732         struct amdgpu_device *adev = psp->adev;
 733
 734         if (amdgpu_sriov_vf(adev)) {
 735                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value);
 736                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD);
 737         } else
 738                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
 739 }
 740
 741 static int psp_v11_0_load_usbc_pd_fw(struct psp_context *psp, dma_addr_t dma_addr)
 742 {
 743         struct amdgpu_device *adev = psp->adev;
 744         uint32_t reg_status;
 745         int ret, i = 0;
 746
 747         /* Write lower 32-bit address of the PD Controller FW */
 748         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, lower_32_bits(dma_addr));
 749         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
 750                              0x80000000, 0x80000000, false);
 751         if (ret)
 752                 return ret;
 753
 754         /* Fireup interrupt so PSP can pick up the lower address */
 755         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, 0x800000);
 756         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
 757                              0x80000000, 0x80000000, false);
 758         if (ret)
 759                 return ret;
 760
 761         reg_status = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35);
 762
 763         if ((reg_status & 0xFFFF) != 0) {
 764                 DRM_ERROR("Lower address load failed - MP0_SMN_C2PMSG_35.Bits [15:0] = %02x...\n",
 765                                 reg_status & 0xFFFF);
 766                 return -EIO;
 767         }
 768
 769         /* Write upper 32-bit address of the PD Controller FW */
 770         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, upper_32_bits(dma_addr));
 771
 772         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
 773                              0x80000000, 0x80000000, false);
 774         if (ret)
 775                 return ret;
 776
 777         /* Fireup interrupt so PSP can pick up the upper address */
 778         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, 0x4000000);
 779
 780         /* FW load takes very long time */
 781         do {
 782                 msleep(1000);
 783                 reg_status = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35);
 784
 785                 if (reg_status & 0x80000000)
 786                         goto done;
 787
 788         } while (++i < USBC_PD_POLLING_LIMIT_S);
 789
 790         return -ETIME;
 791 done:
 792
 793         if ((reg_status & 0xFFFF) != 0) {
 794                 DRM_ERROR("Upper address load failed - MP0_SMN_C2PMSG_35.Bits [15:0] = x%04x\n",
 795                                 reg_status & 0xFFFF);
 796                 return -EIO;
 797         }
 798
 799         return 0;
 800 }
 801
 802 static int psp_v11_0_read_usbc_pd_fw(struct psp_context *psp, uint32_t *fw_ver)
 803 {
 804         struct amdgpu_device *adev = psp->adev;
 805         int ret;
 806
 807         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, C2PMSG_CMD_GFX_USB_PD_FW_VER);
 808
 809         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
 810                                      0x80000000, 0x80000000, false);
 811         if (!ret)
 812                 *fw_ver = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36);
 813
 814         return ret;
 815 }
 816
 817 static const struct psp_funcs psp_v11_0_funcs = {
 818         .init_microcode = psp_v11_0_init_microcode,
 819         .bootloader_load_kdb = psp_v11_0_bootloader_load_kdb,
 820         .bootloader_load_spl = psp_v11_0_bootloader_load_spl,
 821         .bootloader_load_sysdrv = psp_v11_0_bootloader_load_sysdrv,
 822         .bootloader_load_sos = psp_v11_0_bootloader_load_sos,
 823         .ring_init = psp_v11_0_ring_init,
 824         .ring_create = psp_v11_0_ring_create,
 825         .ring_stop = psp_v11_0_ring_stop,
 826         .ring_destroy = psp_v11_0_ring_destroy,
 827         .mode1_reset = psp_v11_0_mode1_reset,
 828         .mem_training = psp_v11_0_memory_training,
 829         .ring_get_wptr = psp_v11_0_ring_get_wptr,
 830         .ring_set_wptr = psp_v11_0_ring_set_wptr,
 831         .load_usbc_pd_fw = psp_v11_0_load_usbc_pd_fw,
 832         .read_usbc_pd_fw = psp_v11_0_read_usbc_pd_fw
 833 };
 834
 835 void psp_v11_0_set_psp_funcs(struct psp_context *psp)
 836 {
 837         psp->funcs = &psp_v11_0_funcs;
 838 }