drivers/gpu/drm/amd/amdgpu/psp_v12_0.c

   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 "amdgpu.h"
  25 #include "amdgpu_psp.h"
  26 #include "amdgpu_ucode.h"
  27 #include "soc15_common.h"
  28 #include "psp_v12_0.h"
  29
  30 #include "mp/mp_12_0_0_offset.h"
  31 #include "mp/mp_12_0_0_sh_mask.h"
  32 #include "gc/gc_9_0_offset.h"
  33 #include "sdma0/sdma0_4_0_offset.h"
  34 #include "nbio/nbio_7_4_offset.h"
  35
  36 #include "oss/osssys_4_0_offset.h"
  37 #include "oss/osssys_4_0_sh_mask.h"
  38
  39 MODULE_FIRMWARE("amdgpu/renoir_asd.bin");
  40 /* address block */
  41 #define smnMP1_FIRMWARE_FLAGS           0x3010024
  42
  43 static int psp_v12_0_init_microcode(struct psp_context *psp)
  44 {
  45         struct amdgpu_device *adev = psp->adev;
  46         const char *chip_name;
  47         char fw_name[30];
  48         int err = 0;
  49         const struct psp_firmware_header_v1_0 *asd_hdr;
  50
  51         DRM_DEBUG("\n");
  52
  53         switch (adev->asic_type) {
  54         case CHIP_RENOIR:
  55                 chip_name = "renoir";
  56                 break;
  57         default:
  58                 BUG();
  59         }
  60
  61         snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name);
  62         err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
  63         if (err)
  64                 goto out1;
  65
  66         err = amdgpu_ucode_validate(adev->psp.asd_fw);
  67         if (err)
  68                 goto out1;
  69
  70         asd_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data;
  71         adev->psp.asd_fw_version = le32_to_cpu(asd_hdr->header.ucode_version);
  72         adev->psp.asd_feature_version = le32_to_cpu(asd_hdr->ucode_feature_version);
  73         adev->psp.asd_ucode_size = le32_to_cpu(asd_hdr->header.ucode_size_bytes);
  74         adev->psp.asd_start_addr = (uint8_t *)asd_hdr +
  75                                 le32_to_cpu(asd_hdr->header.ucode_array_offset_bytes);
  76
  77         return 0;
  78
  79 out1:
  80         release_firmware(adev->psp.asd_fw);
  81         adev->psp.asd_fw = NULL;
  82
  83         return err;
  84 }
  85
  86 static int psp_v12_0_bootloader_load_sysdrv(struct psp_context *psp)
  87 {
  88         int ret;
  89         uint32_t psp_gfxdrv_command_reg = 0;
  90         struct amdgpu_device *adev = psp->adev;
  91         uint32_t sol_reg;
  92
  93         /* Check sOS sign of life register to confirm sys driver and sOS
  94          * are already been loaded.
  95          */
  96         sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
  97         if (sol_reg) {
  98                 psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58);
  99                 printk("sos fw version = 0x%x.\n", psp->sos_fw_version);
 100                 return 0;
 101         }
 102
 103         /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
 104         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
 105                            0x80000000, 0x80000000, false);
 106         if (ret)
 107                 return ret;
 108
 109         memset(psp->fw_pri_buf, 0, PSP_1_MEG);
 110
 111         /* Copy PSP System Driver binary to memory */
 112         memcpy(psp->fw_pri_buf, psp->sys_start_addr, psp->sys_bin_size);
 113
 114         /* Provide the sys driver to bootloader */
 115         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
 116                (uint32_t)(psp->fw_pri_mc_addr >> 20));
 117         psp_gfxdrv_command_reg = 1 << 16;
 118         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
 119                psp_gfxdrv_command_reg);
 120
 121         /* there might be handshake issue with hardware which needs delay */
 122         mdelay(20);
 123
 124         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
 125                            0x80000000, 0x80000000, false);
 126
 127         return ret;
 128 }
 129
 130 static int psp_v12_0_bootloader_load_sos(struct psp_context *psp)
 131 {
 132         int ret;
 133         unsigned int 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 Secure OS binary to PSP memory */
 153         memcpy(psp->fw_pri_buf, psp->sos_start_addr, psp->sos_bin_size);
 154
 155         /* Provide the PSP secure OS 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 = 2 << 16;
 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         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81),
 165                            RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81),
 166                            0, true);
 167
 168         return ret;
 169 }
 170
 171 static void psp_v12_0_reroute_ih(struct psp_context *psp)
 172 {
 173         struct amdgpu_device *adev = psp->adev;
 174         uint32_t tmp;
 175
 176         /* Change IH ring for VMC */
 177         tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1244b);
 178         tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, CLIENT_TYPE, 1);
 179         tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
 180
 181         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 3);
 182         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp);
 183         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET);
 184
 185         mdelay(20);
 186         psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
 187                      0x80000000, 0x8000FFFF, false);
 188
 189         /* Change IH ring for UMC */
 190         tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1216b);
 191         tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
 192
 193         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 4);
 194         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp);
 195         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET);
 196
 197         mdelay(20);
 198         psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
 199                      0x80000000, 0x8000FFFF, false);
 200 }
 201
 202 static int psp_v12_0_ring_init(struct psp_context *psp,
 203                               enum psp_ring_type ring_type)
 204 {
 205         int ret = 0;
 206         struct psp_ring *ring;
 207         struct amdgpu_device *adev = psp->adev;
 208
 209         psp_v12_0_reroute_ih(psp);
 210
 211         ring = &psp->km_ring;
 212
 213         ring->ring_type = ring_type;
 214
 215         /* allocate 4k Page of Local Frame Buffer memory for ring */
 216         ring->ring_size = 0x1000;
 217         ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
 218                                       AMDGPU_GEM_DOMAIN_VRAM,
 219                                       &adev->firmware.rbuf,
 220                                       &ring->ring_mem_mc_addr,
 221                                       (void **)&ring->ring_mem);
 222         if (ret) {
 223                 ring->ring_size = 0;
 224                 return ret;
 225         }
 226
 227         return 0;
 228 }
 229
 230 static bool psp_v12_0_support_vmr_ring(struct psp_context *psp)
 231 {
 232         if (amdgpu_sriov_vf(psp->adev) && psp->sos_fw_version > 0x80045)
 233                 return true;
 234         return false;
 235 }
 236
 237 static int psp_v12_0_ring_create(struct psp_context *psp,
 238                                 enum psp_ring_type ring_type)
 239 {
 240         int ret = 0;
 241         unsigned int psp_ring_reg = 0;
 242         struct psp_ring *ring = &psp->km_ring;
 243         struct amdgpu_device *adev = psp->adev;
 244
 245         if (psp_v12_0_support_vmr_ring(psp)) {
 246                 /* Write low address of the ring to C2PMSG_102 */
 247                 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
 248                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_ring_reg);
 249                 /* Write high address of the ring to C2PMSG_103 */
 250                 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
 251                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_103, psp_ring_reg);
 252
 253                 /* Write the ring initialization command to C2PMSG_101 */
 254                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
 255                                              GFX_CTRL_CMD_ID_INIT_GPCOM_RING);
 256
 257                 /* there might be handshake issue with hardware which needs delay */
 258                 mdelay(20);
 259
 260                 /* Wait for response flag (bit 31) in C2PMSG_101 */
 261                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
 262                                    0x80000000, 0x8000FFFF, false);
 263
 264         } else {
 265                 /* Write low address of the ring to C2PMSG_69 */
 266                 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
 267                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
 268                 /* Write high address of the ring to C2PMSG_70 */
 269                 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
 270                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
 271                 /* Write size of ring to C2PMSG_71 */
 272                 psp_ring_reg = ring->ring_size;
 273                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
 274                 /* Write the ring initialization command to C2PMSG_64 */
 275                 psp_ring_reg = ring_type;
 276                 psp_ring_reg = psp_ring_reg << 16;
 277                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
 278
 279                 /* there might be handshake issue with hardware which needs delay */
 280                 mdelay(20);
 281
 282                 /* Wait for response flag (bit 31) in C2PMSG_64 */
 283                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
 284                                    0x80000000, 0x8000FFFF, false);
 285         }
 286
 287         return ret;
 288 }
 289
 290 static int psp_v12_0_ring_stop(struct psp_context *psp,
 291                               enum psp_ring_type ring_type)
 292 {
 293         int ret = 0;
 294         struct amdgpu_device *adev = psp->adev;
 295
 296         /* Write the ring destroy command*/
 297         if (psp_v12_0_support_vmr_ring(psp))
 298                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
 299                                      GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
 300         else
 301                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64,
 302                                      GFX_CTRL_CMD_ID_DESTROY_RINGS);
 303
 304         /* there might be handshake issue with hardware which needs delay */
 305         mdelay(20);
 306
 307         /* Wait for response flag (bit 31) */
 308         if (psp_v12_0_support_vmr_ring(psp))
 309                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
 310                                    0x80000000, 0x80000000, false);
 311         else
 312                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
 313                                    0x80000000, 0x80000000, false);
 314
 315         return ret;
 316 }
 317
 318 static int psp_v12_0_ring_destroy(struct psp_context *psp,
 319                                  enum psp_ring_type ring_type)
 320 {
 321         int ret = 0;
 322         struct psp_ring *ring = &psp->km_ring;
 323         struct amdgpu_device *adev = psp->adev;
 324
 325         ret = psp_v12_0_ring_stop(psp, ring_type);
 326         if (ret)
 327                 DRM_ERROR("Fail to stop psp ring\n");
 328
 329         amdgpu_bo_free_kernel(&adev->firmware.rbuf,
 330                               &ring->ring_mem_mc_addr,
 331                               (void **)&ring->ring_mem);
 332
 333         return ret;
 334 }
 335
 336 static int psp_v12_0_cmd_submit(struct psp_context *psp,
 337                                struct amdgpu_firmware_info *ucode,
 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
 393 static int
 394 psp_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
 480 static 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
 515 static 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
 549 static 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
 562 void psp_v12_0_set_psp_funcs(struct psp_context *psp)
 563 {
 564         psp->funcs = &psp_v12_0_funcs;
 565 }