drivers/gpu/drm/amd/amdgpu/mmhub_v2_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
  24 #include "amdgpu.h"
  25 #include "mmhub_v2_0.h"
  26
  27 #include "mmhub/mmhub_2_0_0_offset.h"
  28 #include "mmhub/mmhub_2_0_0_sh_mask.h"
  29 #include "mmhub/mmhub_2_0_0_default.h"
  30 #include "navi10_enum.h"
  31
  32 #include "soc15_common.h"
  33
  34 #define mmMM_ATC_L2_MISC_CG_Sienna_Cichlid                      0x064d
  35 #define mmMM_ATC_L2_MISC_CG_Sienna_Cichlid_BASE_IDX             0
  36 #define mmDAGB0_CNTL_MISC2_Sienna_Cichlid                       0x0070
  37 #define mmDAGB0_CNTL_MISC2_Sienna_Cichlid_BASE_IDX              0
  38
  39 static const char *mmhub_client_ids_navi1x[][2] = {
  40         [3][0] = "DCEDMC",
  41         [4][0] = "DCEVGA",
  42         [5][0] = "MP0",
  43         [6][0] = "MP1",
  44         [13][0] = "VMC",
  45         [14][0] = "HDP",
  46         [15][0] = "OSS",
  47         [16][0] = "VCNU",
  48         [17][0] = "JPEG",
  49         [18][0] = "VCN",
  50         [3][1] = "DCEDMC",
  51         [4][1] = "DCEXFC",
  52         [5][1] = "DCEVGA",
  53         [6][1] = "DCEDWB",
  54         [7][1] = "MP0",
  55         [8][1] = "MP1",
  56         [9][1] = "DBGU1",
  57         [10][1] = "DBGU0",
  58         [11][1] = "XDP",
  59         [14][1] = "HDP",
  60         [15][1] = "OSS",
  61         [16][1] = "VCNU",
  62         [17][1] = "JPEG",
  63         [18][1] = "VCN",
  64 };
  65
  66 static const char *mmhub_client_ids_sienna_cichlid[][2] = {
  67         [3][0] = "DCEDMC",
  68         [4][0] = "DCEVGA",
  69         [5][0] = "MP0",
  70         [6][0] = "MP1",
  71         [8][0] = "VMC",
  72         [9][0] = "VCNU0",
  73         [10][0] = "JPEG",
  74         [12][0] = "VCNU1",
  75         [13][0] = "VCN1",
  76         [14][0] = "HDP",
  77         [15][0] = "OSS",
  78         [32+11][0] = "VCN0",
  79         [0][1] = "DBGU0",
  80         [1][1] = "DBGU1",
  81         [2][1] = "DCEDWB",
  82         [3][1] = "DCEDMC",
  83         [4][1] = "DCEVGA",
  84         [5][1] = "MP0",
  85         [6][1] = "MP1",
  86         [7][1] = "XDP",
  87         [9][1] = "VCNU0",
  88         [10][1] = "JPEG",
  89         [11][1] = "VCN0",
  90         [12][1] = "VCNU1",
  91         [13][1] = "VCN1",
  92         [14][1] = "HDP",
  93         [15][1] = "OSS",
  94 };
  95
  96 static uint32_t mmhub_v2_0_get_invalidate_req(unsigned int vmid,
  97                                               uint32_t flush_type)
  98 {
  99         u32 req = 0;
 100
 101         /* invalidate using legacy mode on vmid*/
 102         req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ,
 103                             PER_VMID_INVALIDATE_REQ, 1 << vmid);
 104         req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
 105         req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
 106         req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
 107         req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
 108         req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
 109         req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
 110         req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ,
 111                             CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0);
 112
 113         return req;
 114 }
 115
 116 static void
 117 mmhub_v2_0_print_l2_protection_fault_status(struct amdgpu_device *adev,
 118                                              uint32_t status)
 119 {
 120         uint32_t cid, rw;
 121         const char *mmhub_cid = NULL;
 122
 123         cid = REG_GET_FIELD(status,
 124                             MMVM_L2_PROTECTION_FAULT_STATUS, CID);
 125         rw = REG_GET_FIELD(status,
 126                            MMVM_L2_PROTECTION_FAULT_STATUS, RW);
 127
 128         dev_err(adev->dev,
 129                 "MMVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
 130                 status);
 131         switch (adev->asic_type) {
 132         case CHIP_NAVI10:
 133         case CHIP_NAVI12:
 134         case CHIP_NAVI14:
 135                 mmhub_cid = mmhub_client_ids_navi1x[cid][rw];
 136                 break;
 137         case CHIP_SIENNA_CICHLID:
 138         case CHIP_NAVY_FLOUNDER:
 139         case CHIP_DIMGREY_CAVEFISH:
 140                 mmhub_cid = mmhub_client_ids_sienna_cichlid[cid][rw];
 141                 break;
 142         default:
 143                 mmhub_cid = NULL;
 144                 break;
 145         }
 146         dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
 147                 mmhub_cid ? mmhub_cid : "unknown", cid);
 148         dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
 149                 REG_GET_FIELD(status,
 150                 MMVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
 151         dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
 152                 REG_GET_FIELD(status,
 153                 MMVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
 154         dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
 155                 REG_GET_FIELD(status,
 156                 MMVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
 157         dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
 158                 REG_GET_FIELD(status,
 159                 MMVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));
 160         dev_err(adev->dev, "\t RW: 0x%x\n", rw);
 161 }
 162
 163 static void mmhub_v2_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
 164                                 uint64_t page_table_base)
 165 {
 166         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
 167
 168         WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
 169                             hub->ctx_addr_distance * vmid,
 170                             lower_32_bits(page_table_base));
 171
 172         WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
 173                             hub->ctx_addr_distance * vmid,
 174                             upper_32_bits(page_table_base));
 175 }
 176
 177 static void mmhub_v2_0_init_gart_aperture_regs(struct amdgpu_device *adev)
 178 {
 179         uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
 180
 181         mmhub_v2_0_setup_vm_pt_regs(adev, 0, pt_base);
 182
 183         WREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
 184                      (u32)(adev->gmc.gart_start >> 12));
 185         WREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
 186                      (u32)(adev->gmc.gart_start >> 44));
 187
 188         WREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
 189                      (u32)(adev->gmc.gart_end >> 12));
 190         WREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
 191                      (u32)(adev->gmc.gart_end >> 44));
 192 }
 193
 194 static void mmhub_v2_0_init_system_aperture_regs(struct amdgpu_device *adev)
 195 {
 196         uint64_t value;
 197         uint32_t tmp;
 198
 199         /* Program the AGP BAR */
 200         WREG32_SOC15(MMHUB, 0, mmMMMC_VM_AGP_BASE, 0);
 201         WREG32_SOC15(MMHUB, 0, mmMMMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
 202         WREG32_SOC15(MMHUB, 0, mmMMMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
 203
 204         if (!amdgpu_sriov_vf(adev)) {
 205                 /* Program the system aperture low logical page number. */
 206                 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_LOW_ADDR,
 207                              min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
 208                 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 209                              max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
 210         }
 211
 212         /* Set default page address. */
 213         value = amdgpu_gmc_vram_mc2pa(adev, adev->vram_scratch.gpu_addr);
 214         WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
 215                      (u32)(value >> 12));
 216         WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
 217                      (u32)(value >> 44));
 218
 219         /* Program "protection fault". */
 220         WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
 221                      (u32)(adev->dummy_page_addr >> 12));
 222         WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
 223                      (u32)((u64)adev->dummy_page_addr >> 44));
 224
 225         tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL2);
 226         tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL2,
 227                             ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
 228         WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL2, tmp);
 229 }
 230
 231 static void mmhub_v2_0_init_tlb_regs(struct amdgpu_device *adev)
 232 {
 233         uint32_t tmp;
 234
 235         /* Setup TLB control */
 236         tmp = RREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL);
 237
 238         tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
 239         tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
 240         tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
 241                             ENABLE_ADVANCED_DRIVER_MODEL, 1);
 242         tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
 243                             SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
 244         tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
 245         tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
 246                             MTYPE, MTYPE_UC); /* UC, uncached */
 247
 248         WREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL, tmp);
 249 }
 250
 251 static void mmhub_v2_0_init_cache_regs(struct amdgpu_device *adev)
 252 {
 253         uint32_t tmp;
 254
 255         /* These registers are not accessible to VF-SRIOV.
 256          * The PF will program them instead.
 257          */
 258         if (amdgpu_sriov_vf(adev))
 259                 return;
 260
 261         /* Setup L2 cache */
 262         tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL);
 263         tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 1);
 264         tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0);
 265         tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL,
 266                             ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
 267         /* XXX for emulation, Refer to closed source code.*/
 268         tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
 269                             0);
 270         tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
 271         tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
 272         tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
 273         WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL, tmp);
 274
 275         tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL2);
 276         tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
 277         tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
 278         WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL2, tmp);
 279
 280         tmp = mmMMVM_L2_CNTL3_DEFAULT;
 281         if (adev->gmc.translate_further) {
 282                 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 12);
 283                 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3,
 284                                     L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
 285         } else {
 286                 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 9);
 287                 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3,
 288                                     L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
 289         }
 290         WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL3, tmp);
 291
 292         tmp = mmMMVM_L2_CNTL4_DEFAULT;
 293         tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
 294         tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
 295         WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL4, tmp);
 296
 297         tmp = mmMMVM_L2_CNTL5_DEFAULT;
 298         tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
 299         WREG32_SOC15(GC, 0, mmMMVM_L2_CNTL5, tmp);
 300 }
 301
 302 static void mmhub_v2_0_enable_system_domain(struct amdgpu_device *adev)
 303 {
 304         uint32_t tmp;
 305
 306         tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_CNTL);
 307         tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
 308         tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
 309         tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL,
 310                             RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
 311         WREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_CNTL, tmp);
 312 }
 313
 314 static void mmhub_v2_0_disable_identity_aperture(struct amdgpu_device *adev)
 315 {
 316         /* These registers are not accessible to VF-SRIOV.
 317          * The PF will program them instead.
 318          */
 319         if (amdgpu_sriov_vf(adev))
 320                 return;
 321
 322         WREG32_SOC15(MMHUB, 0,
 323                      mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
 324                      0xFFFFFFFF);
 325         WREG32_SOC15(MMHUB, 0,
 326                      mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
 327                      0x0000000F);
 328
 329         WREG32_SOC15(MMHUB, 0,
 330                      mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0);
 331         WREG32_SOC15(MMHUB, 0,
 332                      mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0);
 333
 334         WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32,
 335                      0);
 336         WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32,
 337                      0);
 338 }
 339
 340 static void mmhub_v2_0_setup_vmid_config(struct amdgpu_device *adev)
 341 {
 342         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
 343         int i;
 344         uint32_t tmp;
 345
 346         for (i = 0; i <= 14; i++) {
 347                 tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_CNTL, i);
 348                 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
 349                 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
 350                                     adev->vm_manager.num_level);
 351                 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
 352                                     RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 353                 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
 354                                     DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
 355                                     1);
 356                 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
 357                                     PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 358                 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
 359                                     VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 360                 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
 361                                     READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 362                 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
 363                                     WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 364                 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
 365                                     EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 366                 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
 367                                     PAGE_TABLE_BLOCK_SIZE,
 368                                     adev->vm_manager.block_size - 9);
 369                 /* Send no-retry XNACK on fault to suppress VM fault storm. */
 370                 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
 371                                     RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
 372                                     !adev->gmc.noretry);
 373                 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_CNTL,
 374                                     i * hub->ctx_distance, tmp);
 375                 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
 376                                     i * hub->ctx_addr_distance, 0);
 377                 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
 378                                     i * hub->ctx_addr_distance, 0);
 379                 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
 380                                     i * hub->ctx_addr_distance,
 381                                     lower_32_bits(adev->vm_manager.max_pfn - 1));
 382                 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
 383                                     i * hub->ctx_addr_distance,
 384                                     upper_32_bits(adev->vm_manager.max_pfn - 1));
 385         }
 386 }
 387
 388 static void mmhub_v2_0_program_invalidation(struct amdgpu_device *adev)
 389 {
 390         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
 391         unsigned i;
 392
 393         for (i = 0; i < 18; ++i) {
 394                 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
 395                                     i * hub->eng_addr_distance, 0xffffffff);
 396                 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
 397                                     i * hub->eng_addr_distance, 0x1f);
 398         }
 399 }
 400
 401 static int mmhub_v2_0_gart_enable(struct amdgpu_device *adev)
 402 {
 403         /* GART Enable. */
 404         mmhub_v2_0_init_gart_aperture_regs(adev);
 405         mmhub_v2_0_init_system_aperture_regs(adev);
 406         mmhub_v2_0_init_tlb_regs(adev);
 407         mmhub_v2_0_init_cache_regs(adev);
 408
 409         mmhub_v2_0_enable_system_domain(adev);
 410         mmhub_v2_0_disable_identity_aperture(adev);
 411         mmhub_v2_0_setup_vmid_config(adev);
 412         mmhub_v2_0_program_invalidation(adev);
 413
 414         return 0;
 415 }
 416
 417 static void mmhub_v2_0_gart_disable(struct amdgpu_device *adev)
 418 {
 419         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
 420         u32 tmp;
 421         u32 i;
 422
 423         /* Disable all tables */
 424         for (i = 0; i < AMDGPU_NUM_VMID; i++)
 425                 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_CNTL,
 426                                     i * hub->ctx_distance, 0);
 427
 428         /* Setup TLB control */
 429         tmp = RREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL);
 430         tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
 431         tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
 432                             ENABLE_ADVANCED_DRIVER_MODEL, 0);
 433         WREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL, tmp);
 434
 435         /* Setup L2 cache */
 436         tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL);
 437         tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 0);
 438         WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL, tmp);
 439         WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL3, 0);
 440 }
 441
 442 /**
 443  * mmhub_v2_0_set_fault_enable_default - update GART/VM fault handling
 444  *
 445  * @adev: amdgpu_device pointer
 446  * @value: true redirects VM faults to the default page
 447  */
 448 static void mmhub_v2_0_set_fault_enable_default(struct amdgpu_device *adev, bool value)
 449 {
 450         u32 tmp;
 451
 452         /* These registers are not accessible to VF-SRIOV.
 453          * The PF will program them instead.
 454          */
 455         if (amdgpu_sriov_vf(adev))
 456                 return;
 457
 458         tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL);
 459         tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
 460                             RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 461         tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
 462                             PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 463         tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
 464                             PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 465         tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
 466                             PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 467         tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
 468                             TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
 469                             value);
 470         tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
 471                             NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 472         tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
 473                             DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 474         tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
 475                             VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 476         tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
 477                             READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 478         tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
 479                             WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 480         tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
 481                             EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 482         if (!value) {
 483                 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
 484                                 CRASH_ON_NO_RETRY_FAULT, 1);
 485                 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
 486                                 CRASH_ON_RETRY_FAULT, 1);
 487         }
 488         WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL, tmp);
 489 }
 490
 491 static const struct amdgpu_vmhub_funcs mmhub_v2_0_vmhub_funcs = {
 492         .print_l2_protection_fault_status = mmhub_v2_0_print_l2_protection_fault_status,
 493         .get_invalidate_req = mmhub_v2_0_get_invalidate_req,
 494 };
 495
 496 static void mmhub_v2_0_init(struct amdgpu_device *adev)
 497 {
 498         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
 499
 500         hub->ctx0_ptb_addr_lo32 =
 501                 SOC15_REG_OFFSET(MMHUB, 0,
 502                                  mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
 503         hub->ctx0_ptb_addr_hi32 =
 504                 SOC15_REG_OFFSET(MMHUB, 0,
 505                                  mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
 506         hub->vm_inv_eng0_sem =
 507                 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_SEM);
 508         hub->vm_inv_eng0_req =
 509                 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_REQ);
 510         hub->vm_inv_eng0_ack =
 511                 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_ACK);
 512         hub->vm_context0_cntl =
 513                 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_CNTL);
 514         hub->vm_l2_pro_fault_status =
 515                 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_STATUS);
 516         hub->vm_l2_pro_fault_cntl =
 517                 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL);
 518
 519         hub->ctx_distance = mmMMVM_CONTEXT1_CNTL - mmMMVM_CONTEXT0_CNTL;
 520         hub->ctx_addr_distance = mmMMVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
 521                 mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
 522         hub->eng_distance = mmMMVM_INVALIDATE_ENG1_REQ -
 523                 mmMMVM_INVALIDATE_ENG0_REQ;
 524         hub->eng_addr_distance = mmMMVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
 525                 mmMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
 526
 527         hub->vm_cntx_cntl_vm_fault = MMVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 528                 MMVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 529                 MMVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 530                 MMVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 531                 MMVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 532                 MMVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 533                 MMVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
 534
 535         hub->vmhub_funcs = &mmhub_v2_0_vmhub_funcs;
 536 }
 537
 538 static void mmhub_v2_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
 539                                                         bool enable)
 540 {
 541         uint32_t def, data, def1, data1;
 542
 543         switch (adev->asic_type) {
 544         case CHIP_SIENNA_CICHLID:
 545         case CHIP_NAVY_FLOUNDER:
 546         case CHIP_DIMGREY_CAVEFISH:
 547         case CHIP_BEIGE_GOBY:
 548                 def  = data  = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid);
 549                 def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_Sienna_Cichlid);
 550                 break;
 551         default:
 552                 def  = data  = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG);
 553                 def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2);
 554                 break;
 555         }
 556
 557         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
 558                 data |= MM_ATC_L2_MISC_CG__ENABLE_MASK;
 559
 560                 data1 &= ~(DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
 561                            DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
 562                            DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
 563                            DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
 564                            DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
 565                            DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
 566
 567         } else {
 568                 data &= ~MM_ATC_L2_MISC_CG__ENABLE_MASK;
 569
 570                 data1 |= (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
 571                           DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
 572                           DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
 573                           DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
 574                           DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
 575                           DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
 576         }
 577
 578         switch (adev->asic_type) {
 579         case CHIP_SIENNA_CICHLID:
 580         case CHIP_NAVY_FLOUNDER:
 581         case CHIP_DIMGREY_CAVEFISH:
 582         case CHIP_BEIGE_GOBY:
 583                 if (def != data)
 584                         WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid, data);
 585                 if (def1 != data1)
 586                         WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_Sienna_Cichlid, data1);
 587                 break;
 588         default:
 589                 if (def != data)
 590                         WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG, data);
 591                 if (def1 != data1)
 592                         WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2, data1);
 593                 break;
 594         }
 595 }
 596
 597 static void mmhub_v2_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
 598                                                        bool enable)
 599 {
 600         uint32_t def, data;
 601
 602         switch (adev->asic_type) {
 603         case CHIP_SIENNA_CICHLID:
 604         case CHIP_NAVY_FLOUNDER:
 605         case CHIP_DIMGREY_CAVEFISH:
 606         case CHIP_BEIGE_GOBY:
 607                 def  = data  = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid);
 608                 break;
 609         default:
 610                 def  = data  = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG);
 611                 break;
 612         }
 613
 614         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
 615                 data |= MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
 616         else
 617                 data &= ~MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
 618
 619         if (def != data) {
 620                 switch (adev->asic_type) {
 621                 case CHIP_SIENNA_CICHLID:
 622                 case CHIP_NAVY_FLOUNDER:
 623                 case CHIP_DIMGREY_CAVEFISH:
 624                 case CHIP_BEIGE_GOBY:
 625                         WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid, data);
 626                         break;
 627                 default:
 628                         WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG, data);
 629                         break;
 630                 }
 631         }
 632 }
 633
 634 static int mmhub_v2_0_set_clockgating(struct amdgpu_device *adev,
 635                                enum amd_clockgating_state state)
 636 {
 637         if (amdgpu_sriov_vf(adev))
 638                 return 0;
 639
 640         switch (adev->asic_type) {
 641         case CHIP_NAVI10:
 642         case CHIP_NAVI14:
 643         case CHIP_NAVI12:
 644         case CHIP_SIENNA_CICHLID:
 645         case CHIP_NAVY_FLOUNDER:
 646         case CHIP_DIMGREY_CAVEFISH:
 647         case CHIP_BEIGE_GOBY:
 648                 mmhub_v2_0_update_medium_grain_clock_gating(adev,
 649                                 state == AMD_CG_STATE_GATE);
 650                 mmhub_v2_0_update_medium_grain_light_sleep(adev,
 651                                 state == AMD_CG_STATE_GATE);
 652                 break;
 653         default:
 654                 break;
 655         }
 656
 657         return 0;
 658 }
 659
 660 static void mmhub_v2_0_get_clockgating(struct amdgpu_device *adev, u32 *flags)
 661 {
 662         int data, data1;
 663
 664         if (amdgpu_sriov_vf(adev))
 665                 *flags = 0;
 666
 667         switch (adev->asic_type) {
 668         case CHIP_SIENNA_CICHLID:
 669         case CHIP_NAVY_FLOUNDER:
 670         case CHIP_DIMGREY_CAVEFISH:
 671         case CHIP_BEIGE_GOBY:
 672                 data  = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid);
 673                 data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_Sienna_Cichlid);
 674                 break;
 675         default:
 676                 data  = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG);
 677                 data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2);
 678                 break;
 679         }
 680
 681         /* AMD_CG_SUPPORT_MC_MGCG */
 682         if ((data & MM_ATC_L2_MISC_CG__ENABLE_MASK) &&
 683             !(data1 & (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
 684                        DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
 685                        DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
 686                        DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
 687                        DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
 688                        DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK)))
 689                 *flags |= AMD_CG_SUPPORT_MC_MGCG;
 690
 691         /* AMD_CG_SUPPORT_MC_LS */
 692         if (data & MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK)
 693                 *flags |= AMD_CG_SUPPORT_MC_LS;
 694 }
 695
 696 const struct amdgpu_mmhub_funcs mmhub_v2_0_funcs = {
 697         .init = mmhub_v2_0_init,
 698         .gart_enable = mmhub_v2_0_gart_enable,
 699         .set_fault_enable_default = mmhub_v2_0_set_fault_enable_default,
 700         .gart_disable = mmhub_v2_0_gart_disable,
 701         .set_clockgating = mmhub_v2_0_set_clockgating,
 702         .get_clockgating = mmhub_v2_0_get_clockgating,
 703         .setup_vm_pt_regs = mmhub_v2_0_setup_vm_pt_regs,
 704 };