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 "gc/gc_10_1_0_offset.h" 33 #include "soc15_common.h" 34 35 #define mmMM_ATC_L2_MISC_CG_Sienna_Cichlid 0x064d 36 #define mmMM_ATC_L2_MISC_CG_Sienna_Cichlid_BASE_IDX 0 37 #define mmDAGB0_CNTL_MISC2_Sienna_Cichlid 0x0070 38 #define mmDAGB0_CNTL_MISC2_Sienna_Cichlid_BASE_IDX 0 39 40 static const char *mmhub_client_ids_navi1x[][2] = { 41 [3][0] = "DCEDMC", 42 [4][0] = "DCEVGA", 43 [5][0] = "MP0", 44 [6][0] = "MP1", 45 [13][0] = "VMC", 46 [14][0] = "HDP", 47 [15][0] = "OSS", 48 [16][0] = "VCNU", 49 [17][0] = "JPEG", 50 [18][0] = "VCN", 51 [3][1] = "DCEDMC", 52 [4][1] = "DCEXFC", 53 [5][1] = "DCEVGA", 54 [6][1] = "DCEDWB", 55 [7][1] = "MP0", 56 [8][1] = "MP1", 57 [9][1] = "DBGU1", 58 [10][1] = "DBGU0", 59 [11][1] = "XDP", 60 [14][1] = "HDP", 61 [15][1] = "OSS", 62 [16][1] = "VCNU", 63 [17][1] = "JPEG", 64 [18][1] = "VCN", 65 }; 66 67 static const char *mmhub_client_ids_sienna_cichlid[][2] = { 68 [3][0] = "DCEDMC", 69 [4][0] = "DCEVGA", 70 [5][0] = "MP0", 71 [6][0] = "MP1", 72 [8][0] = "VMC", 73 [9][0] = "VCNU0", 74 [10][0] = "JPEG", 75 [12][0] = "VCNU1", 76 [13][0] = "VCN1", 77 [14][0] = "HDP", 78 [15][0] = "OSS", 79 [32+11][0] = "VCN0", 80 [0][1] = "DBGU0", 81 [1][1] = "DBGU1", 82 [2][1] = "DCEDWB", 83 [3][1] = "DCEDMC", 84 [4][1] = "DCEVGA", 85 [5][1] = "MP0", 86 [6][1] = "MP1", 87 [7][1] = "XDP", 88 [9][1] = "VCNU0", 89 [10][1] = "JPEG", 90 [11][1] = "VCN0", 91 [12][1] = "VCNU1", 92 [13][1] = "VCN1", 93 [14][1] = "HDP", 94 [15][1] = "OSS", 95 }; 96 97 static const char *mmhub_client_ids_beige_goby[][2] = { 98 [3][0] = "DCEDMC", 99 [4][0] = "DCEVGA", 100 [5][0] = "MP0", 101 [6][0] = "MP1", 102 [8][0] = "VMC", 103 [9][0] = "VCNU0", 104 [11][0] = "VCN0", 105 [14][0] = "HDP", 106 [15][0] = "OSS", 107 [0][1] = "DBGU0", 108 [1][1] = "DBGU1", 109 [2][1] = "DCEDWB", 110 [3][1] = "DCEDMC", 111 [4][1] = "DCEVGA", 112 [5][1] = "MP0", 113 [6][1] = "MP1", 114 [7][1] = "XDP", 115 [9][1] = "VCNU0", 116 [11][1] = "VCN0", 117 [14][1] = "HDP", 118 [15][1] = "OSS", 119 }; 120 121 static uint32_t mmhub_v2_0_get_invalidate_req(unsigned int vmid, 122 uint32_t flush_type) 123 { 124 u32 req = 0; 125 126 /* invalidate using legacy mode on vmid*/ 127 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, 128 PER_VMID_INVALIDATE_REQ, 1 << vmid); 129 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type); 130 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1); 131 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1); 132 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1); 133 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1); 134 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1); 135 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, 136 CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0); 137 138 return req; 139 } 140 141 static void 142 mmhub_v2_0_print_l2_protection_fault_status(struct amdgpu_device *adev, 143 uint32_t status) 144 { 145 uint32_t cid, rw; 146 const char *mmhub_cid = NULL; 147 148 cid = REG_GET_FIELD(status, 149 MMVM_L2_PROTECTION_FAULT_STATUS, CID); 150 rw = REG_GET_FIELD(status, 151 MMVM_L2_PROTECTION_FAULT_STATUS, RW); 152 153 dev_err(adev->dev, 154 "MMVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n", 155 status); 156 switch (adev->ip_versions[MMHUB_HWIP][0]) { 157 case IP_VERSION(2, 0, 0): 158 case IP_VERSION(2, 0, 2): 159 mmhub_cid = mmhub_client_ids_navi1x[cid][rw]; 160 break; 161 case IP_VERSION(2, 1, 0): 162 case IP_VERSION(2, 1, 1): 163 mmhub_cid = mmhub_client_ids_sienna_cichlid[cid][rw]; 164 break; 165 case IP_VERSION(2, 1, 2): 166 mmhub_cid = mmhub_client_ids_beige_goby[cid][rw]; 167 break; 168 default: 169 mmhub_cid = NULL; 170 break; 171 } 172 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n", 173 mmhub_cid ? mmhub_cid : "unknown", cid); 174 dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n", 175 REG_GET_FIELD(status, 176 MMVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS)); 177 dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n", 178 REG_GET_FIELD(status, 179 MMVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR)); 180 dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n", 181 REG_GET_FIELD(status, 182 MMVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS)); 183 dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n", 184 REG_GET_FIELD(status, 185 MMVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR)); 186 dev_err(adev->dev, "\t RW: 0x%x\n", rw); 187 } 188 189 static void mmhub_v2_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid, 190 uint64_t page_table_base) 191 { 192 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0]; 193 194 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, 195 hub->ctx_addr_distance * vmid, 196 lower_32_bits(page_table_base)); 197 198 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, 199 hub->ctx_addr_distance * vmid, 200 upper_32_bits(page_table_base)); 201 } 202 203 static void mmhub_v2_0_init_gart_aperture_regs(struct amdgpu_device *adev) 204 { 205 uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo); 206 207 mmhub_v2_0_setup_vm_pt_regs(adev, 0, pt_base); 208 209 WREG32_SOC15_RLC(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, 210 (u32)(adev->gmc.gart_start >> 12)); 211 WREG32_SOC15_RLC(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, 212 (u32)(adev->gmc.gart_start >> 44)); 213 214 WREG32_SOC15_RLC(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, 215 (u32)(adev->gmc.gart_end >> 12)); 216 WREG32_SOC15_RLC(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, 217 (u32)(adev->gmc.gart_end >> 44)); 218 } 219 220 static void mmhub_v2_0_init_system_aperture_regs(struct amdgpu_device *adev) 221 { 222 uint64_t value; 223 uint32_t tmp; 224 225 if (!amdgpu_sriov_vf(adev)) { 226 /* Program the AGP BAR */ 227 WREG32_SOC15_RLC(MMHUB, 0, mmMMMC_VM_AGP_BASE, 0); 228 WREG32_SOC15_RLC(MMHUB, 0, mmMMMC_VM_AGP_BOT, adev->gmc.agp_start >> 24); 229 WREG32_SOC15_RLC(MMHUB, 0, mmMMMC_VM_AGP_TOP, adev->gmc.agp_end >> 24); 230 231 /* Program the system aperture low logical page number. */ 232 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_LOW_ADDR, 233 min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18); 234 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 235 max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18); 236 } 237 238 /* Set default page address. */ 239 value = amdgpu_gmc_vram_mc2pa(adev, adev->vram_scratch.gpu_addr); 240 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, 241 (u32)(value >> 12)); 242 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, 243 (u32)(value >> 44)); 244 245 /* Program "protection fault". */ 246 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, 247 (u32)(adev->dummy_page_addr >> 12)); 248 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, 249 (u32)((u64)adev->dummy_page_addr >> 44)); 250 251 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL2); 252 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL2, 253 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); 254 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL2, tmp); 255 } 256 257 static void mmhub_v2_0_init_tlb_regs(struct amdgpu_device *adev) 258 { 259 uint32_t tmp; 260 261 /* Setup TLB control */ 262 tmp = RREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL); 263 264 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); 265 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); 266 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, 267 ENABLE_ADVANCED_DRIVER_MODEL, 1); 268 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, 269 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); 270 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); 271 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, 272 MTYPE, MTYPE_UC); /* UC, uncached */ 273 274 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL, tmp); 275 } 276 277 static void mmhub_v2_0_init_cache_regs(struct amdgpu_device *adev) 278 { 279 uint32_t tmp; 280 281 /* These registers are not accessible to VF-SRIOV. 282 * The PF will program them instead. 283 */ 284 if (amdgpu_sriov_vf(adev)) 285 return; 286 287 /* Setup L2 cache */ 288 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL); 289 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 1); 290 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0); 291 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, 292 ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); 293 /* XXX for emulation, Refer to closed source code.*/ 294 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE, 295 0); 296 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0); 297 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); 298 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0); 299 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL, tmp); 300 301 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL2); 302 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); 303 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); 304 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL2, tmp); 305 306 tmp = mmMMVM_L2_CNTL3_DEFAULT; 307 if (adev->gmc.translate_further) { 308 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 12); 309 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, 310 L2_CACHE_BIGK_FRAGMENT_SIZE, 9); 311 } else { 312 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 9); 313 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, 314 L2_CACHE_BIGK_FRAGMENT_SIZE, 6); 315 } 316 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL3, tmp); 317 318 tmp = mmMMVM_L2_CNTL4_DEFAULT; 319 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0); 320 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0); 321 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL4, tmp); 322 323 tmp = mmMMVM_L2_CNTL5_DEFAULT; 324 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0); 325 WREG32_SOC15(GC, 0, mmMMVM_L2_CNTL5, tmp); 326 } 327 328 static void mmhub_v2_0_enable_system_domain(struct amdgpu_device *adev) 329 { 330 uint32_t tmp; 331 332 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_CNTL); 333 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); 334 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); 335 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, 336 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0); 337 WREG32_SOC15_RLC(MMHUB, 0, mmMMVM_CONTEXT0_CNTL, tmp); 338 } 339 340 static void mmhub_v2_0_disable_identity_aperture(struct amdgpu_device *adev) 341 { 342 /* These registers are not accessible to VF-SRIOV. 343 * The PF will program them instead. 344 */ 345 if (amdgpu_sriov_vf(adev)) 346 return; 347 348 WREG32_SOC15(MMHUB, 0, 349 mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, 350 0xFFFFFFFF); 351 WREG32_SOC15(MMHUB, 0, 352 mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, 353 0x0000000F); 354 355 WREG32_SOC15(MMHUB, 0, 356 mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0); 357 WREG32_SOC15(MMHUB, 0, 358 mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0); 359 360 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 361 0); 362 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 363 0); 364 } 365 366 static void mmhub_v2_0_setup_vmid_config(struct amdgpu_device *adev) 367 { 368 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0]; 369 int i; 370 uint32_t tmp; 371 372 for (i = 0; i <= 14; i++) { 373 tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_CNTL, i); 374 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); 375 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 376 adev->vm_manager.num_level); 377 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 378 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 379 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 380 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 381 1); 382 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 383 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 384 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 385 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 386 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 387 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 388 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 389 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 390 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 391 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 392 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 393 PAGE_TABLE_BLOCK_SIZE, 394 adev->vm_manager.block_size - 9); 395 /* Send no-retry XNACK on fault to suppress VM fault storm. */ 396 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 397 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 398 !adev->gmc.noretry); 399 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_CONTEXT1_CNTL, 400 i * hub->ctx_distance, tmp); 401 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, 402 i * hub->ctx_addr_distance, 0); 403 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, 404 i * hub->ctx_addr_distance, 0); 405 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, 406 i * hub->ctx_addr_distance, 407 lower_32_bits(adev->vm_manager.max_pfn - 1)); 408 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, 409 i * hub->ctx_addr_distance, 410 upper_32_bits(adev->vm_manager.max_pfn - 1)); 411 } 412 } 413 414 static void mmhub_v2_0_program_invalidation(struct amdgpu_device *adev) 415 { 416 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0]; 417 unsigned i; 418 419 for (i = 0; i < 18; ++i) { 420 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32, 421 i * hub->eng_addr_distance, 0xffffffff); 422 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_ADDR_RANGE_HI32, 423 i * hub->eng_addr_distance, 0x1f); 424 } 425 } 426 427 static int mmhub_v2_0_gart_enable(struct amdgpu_device *adev) 428 { 429 /* GART Enable. */ 430 mmhub_v2_0_init_gart_aperture_regs(adev); 431 mmhub_v2_0_init_system_aperture_regs(adev); 432 mmhub_v2_0_init_tlb_regs(adev); 433 mmhub_v2_0_init_cache_regs(adev); 434 435 mmhub_v2_0_enable_system_domain(adev); 436 mmhub_v2_0_disable_identity_aperture(adev); 437 mmhub_v2_0_setup_vmid_config(adev); 438 mmhub_v2_0_program_invalidation(adev); 439 440 return 0; 441 } 442 443 static void mmhub_v2_0_gart_disable(struct amdgpu_device *adev) 444 { 445 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0]; 446 u32 tmp; 447 u32 i; 448 449 /* Disable all tables */ 450 for (i = 0; i < AMDGPU_NUM_VMID; i++) 451 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_CONTEXT0_CNTL, 452 i * hub->ctx_distance, 0); 453 454 /* Setup TLB control */ 455 tmp = RREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL); 456 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); 457 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, 458 ENABLE_ADVANCED_DRIVER_MODEL, 0); 459 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL, tmp); 460 461 /* Setup L2 cache */ 462 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL); 463 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 0); 464 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL, tmp); 465 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL3, 0); 466 } 467 468 /** 469 * mmhub_v2_0_set_fault_enable_default - update GART/VM fault handling 470 * 471 * @adev: amdgpu_device pointer 472 * @value: true redirects VM faults to the default page 473 */ 474 static void mmhub_v2_0_set_fault_enable_default(struct amdgpu_device *adev, bool value) 475 { 476 u32 tmp; 477 478 /* These registers are not accessible to VF-SRIOV. 479 * The PF will program them instead. 480 */ 481 if (amdgpu_sriov_vf(adev)) 482 return; 483 484 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL); 485 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 486 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 487 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 488 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); 489 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 490 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value); 491 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 492 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value); 493 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 494 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT, 495 value); 496 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 497 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value); 498 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 499 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 500 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 501 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); 502 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 503 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); 504 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 505 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 506 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 507 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 508 if (!value) { 509 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 510 CRASH_ON_NO_RETRY_FAULT, 1); 511 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 512 CRASH_ON_RETRY_FAULT, 1); 513 } 514 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL, tmp); 515 } 516 517 static const struct amdgpu_vmhub_funcs mmhub_v2_0_vmhub_funcs = { 518 .print_l2_protection_fault_status = mmhub_v2_0_print_l2_protection_fault_status, 519 .get_invalidate_req = mmhub_v2_0_get_invalidate_req, 520 }; 521 522 static void mmhub_v2_0_init(struct amdgpu_device *adev) 523 { 524 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0]; 525 526 hub->ctx0_ptb_addr_lo32 = 527 SOC15_REG_OFFSET(MMHUB, 0, 528 mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32); 529 hub->ctx0_ptb_addr_hi32 = 530 SOC15_REG_OFFSET(MMHUB, 0, 531 mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32); 532 hub->vm_inv_eng0_sem = 533 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_SEM); 534 hub->vm_inv_eng0_req = 535 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_REQ); 536 hub->vm_inv_eng0_ack = 537 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_ACK); 538 hub->vm_context0_cntl = 539 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_CNTL); 540 hub->vm_l2_pro_fault_status = 541 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_STATUS); 542 hub->vm_l2_pro_fault_cntl = 543 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL); 544 545 hub->ctx_distance = mmMMVM_CONTEXT1_CNTL - mmMMVM_CONTEXT0_CNTL; 546 hub->ctx_addr_distance = mmMMVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 - 547 mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32; 548 hub->eng_distance = mmMMVM_INVALIDATE_ENG1_REQ - 549 mmMMVM_INVALIDATE_ENG0_REQ; 550 hub->eng_addr_distance = mmMMVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 - 551 mmMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32; 552 553 hub->vm_cntx_cntl_vm_fault = MMVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 554 MMVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 555 MMVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 556 MMVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 557 MMVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 558 MMVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 559 MMVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK; 560 561 hub->vmhub_funcs = &mmhub_v2_0_vmhub_funcs; 562 } 563 564 static void mmhub_v2_0_update_medium_grain_clock_gating(struct amdgpu_device *adev, 565 bool enable) 566 { 567 uint32_t def, data, def1, data1; 568 569 if (!(adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) 570 return; 571 572 switch (adev->ip_versions[MMHUB_HWIP][0]) { 573 case IP_VERSION(2, 1, 0): 574 case IP_VERSION(2, 1, 1): 575 case IP_VERSION(2, 1, 2): 576 def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid); 577 def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_Sienna_Cichlid); 578 break; 579 default: 580 def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG); 581 def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2); 582 break; 583 } 584 585 if (enable) { 586 data |= MM_ATC_L2_MISC_CG__ENABLE_MASK; 587 588 data1 &= ~(DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK | 589 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK | 590 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK | 591 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK | 592 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK | 593 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK); 594 595 } else { 596 data &= ~MM_ATC_L2_MISC_CG__ENABLE_MASK; 597 598 data1 |= (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK | 599 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK | 600 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK | 601 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK | 602 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK | 603 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK); 604 } 605 606 switch (adev->ip_versions[MMHUB_HWIP][0]) { 607 case IP_VERSION(2, 1, 0): 608 case IP_VERSION(2, 1, 1): 609 case IP_VERSION(2, 1, 2): 610 if (def != data) 611 WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid, data); 612 if (def1 != data1) 613 WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_Sienna_Cichlid, data1); 614 break; 615 default: 616 if (def != data) 617 WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG, data); 618 if (def1 != data1) 619 WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2, data1); 620 break; 621 } 622 } 623 624 static void mmhub_v2_0_update_medium_grain_light_sleep(struct amdgpu_device *adev, 625 bool enable) 626 { 627 uint32_t def, data; 628 629 if (!(adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) 630 return; 631 632 switch (adev->ip_versions[MMHUB_HWIP][0]) { 633 case IP_VERSION(2, 1, 0): 634 case IP_VERSION(2, 1, 1): 635 case IP_VERSION(2, 1, 2): 636 def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid); 637 break; 638 default: 639 def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG); 640 break; 641 } 642 643 if (enable) 644 data |= MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK; 645 else 646 data &= ~MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK; 647 648 if (def != data) { 649 switch (adev->ip_versions[MMHUB_HWIP][0]) { 650 case IP_VERSION(2, 1, 0): 651 case IP_VERSION(2, 1, 1): 652 case IP_VERSION(2, 1, 2): 653 WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid, data); 654 break; 655 default: 656 WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG, data); 657 break; 658 } 659 } 660 } 661 662 static int mmhub_v2_0_set_clockgating(struct amdgpu_device *adev, 663 enum amd_clockgating_state state) 664 { 665 if (amdgpu_sriov_vf(adev)) 666 return 0; 667 668 switch (adev->ip_versions[MMHUB_HWIP][0]) { 669 case IP_VERSION(2, 0, 0): 670 case IP_VERSION(2, 0, 2): 671 case IP_VERSION(2, 1, 0): 672 case IP_VERSION(2, 1, 1): 673 case IP_VERSION(2, 1, 2): 674 mmhub_v2_0_update_medium_grain_clock_gating(adev, 675 state == AMD_CG_STATE_GATE); 676 mmhub_v2_0_update_medium_grain_light_sleep(adev, 677 state == AMD_CG_STATE_GATE); 678 break; 679 default: 680 break; 681 } 682 683 return 0; 684 } 685 686 static void mmhub_v2_0_get_clockgating(struct amdgpu_device *adev, u32 *flags) 687 { 688 int data, data1; 689 690 if (amdgpu_sriov_vf(adev)) 691 *flags = 0; 692 693 switch (adev->ip_versions[MMHUB_HWIP][0]) { 694 case IP_VERSION(2, 1, 0): 695 case IP_VERSION(2, 1, 1): 696 case IP_VERSION(2, 1, 2): 697 data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid); 698 data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_Sienna_Cichlid); 699 break; 700 default: 701 data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG); 702 data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2); 703 break; 704 } 705 706 /* AMD_CG_SUPPORT_MC_MGCG */ 707 if ((data & MM_ATC_L2_MISC_CG__ENABLE_MASK) && 708 !(data1 & (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK | 709 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK | 710 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK | 711 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK | 712 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK | 713 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK))) 714 *flags |= AMD_CG_SUPPORT_MC_MGCG; 715 716 /* AMD_CG_SUPPORT_MC_LS */ 717 if (data & MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK) 718 *flags |= AMD_CG_SUPPORT_MC_LS; 719 } 720 721 const struct amdgpu_mmhub_funcs mmhub_v2_0_funcs = { 722 .init = mmhub_v2_0_init, 723 .gart_enable = mmhub_v2_0_gart_enable, 724 .set_fault_enable_default = mmhub_v2_0_set_fault_enable_default, 725 .gart_disable = mmhub_v2_0_gart_disable, 726 .set_clockgating = mmhub_v2_0_set_clockgating, 727 .get_clockgating = mmhub_v2_0_get_clockgating, 728 .setup_vm_pt_regs = mmhub_v2_0_setup_vm_pt_regs, 729 }; 730