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_3.h" 26 27 #include "mmhub/mmhub_2_3_0_offset.h" 28 #include "mmhub/mmhub_2_3_0_sh_mask.h" 29 #include "mmhub/mmhub_2_3_0_default.h" 30 #include "navi10_enum.h" 31 32 #include "soc15_common.h" 33 34 static const char *mmhub_client_ids_vangogh[][2] = { 35 [0][0] = "MP0", 36 [1][0] = "MP1", 37 [2][0] = "DCEDMC", 38 [3][0] = "DCEVGA", 39 [13][0] = "UTCL2", 40 [26][0] = "OSS", 41 [27][0] = "HDP", 42 [28][0] = "VCN", 43 [29][0] = "VCNU", 44 [30][0] = "JPEG", 45 [0][1] = "MP0", 46 [1][1] = "MP1", 47 [2][1] = "DCEDMC", 48 [3][1] = "DCEVGA", 49 [4][1] = "DCEDWB", 50 [5][1] = "XDP", 51 [26][1] = "OSS", 52 [27][1] = "HDP", 53 [28][1] = "VCN", 54 [29][1] = "VCNU", 55 [30][1] = "JPEG", 56 }; 57 58 static uint32_t mmhub_v2_3_get_invalidate_req(unsigned int vmid, 59 uint32_t flush_type) 60 { 61 u32 req = 0; 62 63 /* invalidate using legacy mode on vmid*/ 64 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, 65 PER_VMID_INVALIDATE_REQ, 1 << vmid); 66 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type); 67 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1); 68 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1); 69 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1); 70 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1); 71 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1); 72 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, 73 CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0); 74 75 return req; 76 } 77 78 static void 79 mmhub_v2_3_print_l2_protection_fault_status(struct amdgpu_device *adev, 80 uint32_t status) 81 { 82 uint32_t cid, rw; 83 const char *mmhub_cid = NULL; 84 85 cid = REG_GET_FIELD(status, 86 MMVM_L2_PROTECTION_FAULT_STATUS, CID); 87 rw = REG_GET_FIELD(status, 88 MMVM_L2_PROTECTION_FAULT_STATUS, RW); 89 90 dev_err(adev->dev, 91 "MMVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n", 92 status); 93 switch (adev->ip_versions[MMHUB_HWIP][0]) { 94 case IP_VERSION(2, 3, 0): 95 case IP_VERSION(2, 4, 0): 96 case IP_VERSION(2, 4, 1): 97 mmhub_cid = mmhub_client_ids_vangogh[cid][rw]; 98 break; 99 default: 100 mmhub_cid = NULL; 101 break; 102 } 103 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n", 104 mmhub_cid ? mmhub_cid : "unknown", cid); 105 dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n", 106 REG_GET_FIELD(status, 107 MMVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS)); 108 dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n", 109 REG_GET_FIELD(status, 110 MMVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR)); 111 dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n", 112 REG_GET_FIELD(status, 113 MMVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS)); 114 dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n", 115 REG_GET_FIELD(status, 116 MMVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR)); 117 dev_err(adev->dev, "\t RW: 0x%x\n", rw); 118 } 119 120 static void mmhub_v2_3_setup_vm_pt_regs(struct amdgpu_device *adev, 121 uint32_t vmid, 122 uint64_t page_table_base) 123 { 124 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; 125 126 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, 127 hub->ctx_addr_distance * vmid, lower_32_bits(page_table_base)); 128 129 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, 130 hub->ctx_addr_distance * vmid, upper_32_bits(page_table_base)); 131 } 132 133 static void mmhub_v2_3_init_gart_aperture_regs(struct amdgpu_device *adev) 134 { 135 uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo); 136 137 mmhub_v2_3_setup_vm_pt_regs(adev, 0, pt_base); 138 139 WREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, 140 (u32)(adev->gmc.gart_start >> 12)); 141 WREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, 142 (u32)(adev->gmc.gart_start >> 44)); 143 144 WREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, 145 (u32)(adev->gmc.gart_end >> 12)); 146 WREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, 147 (u32)(adev->gmc.gart_end >> 44)); 148 } 149 150 static void mmhub_v2_3_init_system_aperture_regs(struct amdgpu_device *adev) 151 { 152 uint64_t value; 153 uint32_t tmp; 154 155 /* Disable AGP. */ 156 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_AGP_BASE, 0); 157 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_AGP_BOT, adev->gmc.agp_start >> 24); 158 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_AGP_TOP, adev->gmc.agp_end >> 24); 159 160 /* Program the system aperture low logical page number. */ 161 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_LOW_ADDR, 162 min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18); 163 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 164 max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18); 165 166 /* Set default page address. */ 167 value = amdgpu_gmc_vram_mc2pa(adev, adev->mem_scratch.gpu_addr); 168 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, 169 (u32)(value >> 12)); 170 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, 171 (u32)(value >> 44)); 172 173 /* Program "protection fault". */ 174 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, 175 (u32)(adev->dummy_page_addr >> 12)); 176 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, 177 (u32)((u64)adev->dummy_page_addr >> 44)); 178 179 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL2); 180 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL2, 181 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); 182 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL2, tmp); 183 } 184 185 static void mmhub_v2_3_init_tlb_regs(struct amdgpu_device *adev) 186 { 187 uint32_t tmp; 188 189 /* Setup TLB control */ 190 tmp = RREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL); 191 192 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); 193 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); 194 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, 195 ENABLE_ADVANCED_DRIVER_MODEL, 1); 196 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, 197 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); 198 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, 199 MTYPE, MTYPE_UC); /* UC, uncached */ 200 201 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL, tmp); 202 } 203 204 static void mmhub_v2_3_init_cache_regs(struct amdgpu_device *adev) 205 { 206 uint32_t tmp; 207 208 /* Setup L2 cache */ 209 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL); 210 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 1); 211 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0); 212 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, 213 ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); 214 /* XXX for emulation, Refer to closed source code.*/ 215 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE, 216 0); 217 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0); 218 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); 219 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0); 220 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL, tmp); 221 222 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL2); 223 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); 224 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); 225 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL2, tmp); 226 227 tmp = mmMMVM_L2_CNTL3_DEFAULT; 228 if (adev->gmc.translate_further) { 229 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 12); 230 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, 231 L2_CACHE_BIGK_FRAGMENT_SIZE, 9); 232 } else { 233 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 9); 234 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, 235 L2_CACHE_BIGK_FRAGMENT_SIZE, 6); 236 } 237 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL3, tmp); 238 239 tmp = mmMMVM_L2_CNTL4_DEFAULT; 240 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0); 241 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0); 242 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL4, tmp); 243 244 tmp = mmMMVM_L2_CNTL5_DEFAULT; 245 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0); 246 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL5, tmp); 247 } 248 249 static void mmhub_v2_3_enable_system_domain(struct amdgpu_device *adev) 250 { 251 uint32_t tmp; 252 253 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_CNTL); 254 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); 255 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); 256 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, 257 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0); 258 WREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_CNTL, tmp); 259 } 260 261 static void mmhub_v2_3_disable_identity_aperture(struct amdgpu_device *adev) 262 { 263 WREG32_SOC15(MMHUB, 0, 264 mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, 265 0xFFFFFFFF); 266 WREG32_SOC15(MMHUB, 0, 267 mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, 268 0x0000000F); 269 270 WREG32_SOC15(MMHUB, 0, 271 mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0); 272 WREG32_SOC15(MMHUB, 0, 273 mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0); 274 275 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 276 0); 277 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 278 0); 279 } 280 281 static void mmhub_v2_3_setup_vmid_config(struct amdgpu_device *adev) 282 { 283 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; 284 int i; 285 uint32_t tmp; 286 287 for (i = 0; i <= 14; i++) { 288 tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_CNTL, i); 289 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); 290 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 291 adev->vm_manager.num_level); 292 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 293 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 294 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 295 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 296 1); 297 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 298 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 299 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 300 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 301 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 302 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 303 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 304 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 305 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 306 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 307 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 308 PAGE_TABLE_BLOCK_SIZE, 309 adev->vm_manager.block_size - 9); 310 /* Send no-retry XNACK on fault to suppress VM fault storm. */ 311 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 312 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 313 !adev->gmc.noretry); 314 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_CNTL, 315 i * hub->ctx_distance, tmp); 316 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, 317 i * hub->ctx_addr_distance, 0); 318 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, 319 i * hub->ctx_addr_distance, 0); 320 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, 321 i * hub->ctx_addr_distance, 322 lower_32_bits(adev->vm_manager.max_pfn - 1)); 323 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, 324 i * hub->ctx_addr_distance, 325 upper_32_bits(adev->vm_manager.max_pfn - 1)); 326 } 327 328 hub->vm_cntx_cntl = tmp; 329 } 330 331 static void mmhub_v2_3_program_invalidation(struct amdgpu_device *adev) 332 { 333 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; 334 unsigned i; 335 336 for (i = 0; i < 18; ++i) { 337 WREG32_SOC15_OFFSET(MMHUB, 0, 338 mmMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32, 339 i * hub->eng_addr_distance, 0xffffffff); 340 WREG32_SOC15_OFFSET(MMHUB, 0, 341 mmMMVM_INVALIDATE_ENG0_ADDR_RANGE_HI32, 342 i * hub->eng_addr_distance, 0x1f); 343 } 344 } 345 346 static int mmhub_v2_3_gart_enable(struct amdgpu_device *adev) 347 { 348 if (amdgpu_sriov_vf(adev)) { 349 /* 350 * MMMC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are 351 * VF copy registers so vbios post doesn't program them, for 352 * SRIOV driver need to program them 353 */ 354 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_FB_LOCATION_BASE, 355 adev->gmc.vram_start >> 24); 356 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_FB_LOCATION_TOP, 357 adev->gmc.vram_end >> 24); 358 } 359 360 /* GART Enable. */ 361 mmhub_v2_3_init_gart_aperture_regs(adev); 362 mmhub_v2_3_init_system_aperture_regs(adev); 363 mmhub_v2_3_init_tlb_regs(adev); 364 mmhub_v2_3_init_cache_regs(adev); 365 366 mmhub_v2_3_enable_system_domain(adev); 367 mmhub_v2_3_disable_identity_aperture(adev); 368 mmhub_v2_3_setup_vmid_config(adev); 369 mmhub_v2_3_program_invalidation(adev); 370 371 return 0; 372 } 373 374 static void mmhub_v2_3_gart_disable(struct amdgpu_device *adev) 375 { 376 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; 377 u32 tmp; 378 u32 i; 379 380 /* Disable all tables */ 381 for (i = 0; i < AMDGPU_NUM_VMID; i++) 382 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_CNTL, 383 i * hub->ctx_distance, 0); 384 385 /* Setup TLB control */ 386 tmp = RREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL); 387 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); 388 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, 389 ENABLE_ADVANCED_DRIVER_MODEL, 0); 390 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL, tmp); 391 392 /* Setup L2 cache */ 393 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL); 394 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 0); 395 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL, tmp); 396 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL3, 0); 397 } 398 399 /** 400 * mmhub_v2_3_set_fault_enable_default - update GART/VM fault handling 401 * 402 * @adev: amdgpu_device pointer 403 * @value: true redirects VM faults to the default page 404 */ 405 static void mmhub_v2_3_set_fault_enable_default(struct amdgpu_device *adev, 406 bool value) 407 { 408 u32 tmp; 409 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL); 410 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 411 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 412 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 413 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); 414 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 415 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value); 416 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 417 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value); 418 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 419 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT, 420 value); 421 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 422 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value); 423 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 424 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 425 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 426 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); 427 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 428 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); 429 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 430 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 431 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 432 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 433 if (!value) { 434 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 435 CRASH_ON_NO_RETRY_FAULT, 1); 436 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 437 CRASH_ON_RETRY_FAULT, 1); 438 } 439 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL, tmp); 440 } 441 442 static const struct amdgpu_vmhub_funcs mmhub_v2_3_vmhub_funcs = { 443 .print_l2_protection_fault_status = mmhub_v2_3_print_l2_protection_fault_status, 444 .get_invalidate_req = mmhub_v2_3_get_invalidate_req, 445 }; 446 447 static void mmhub_v2_3_init(struct amdgpu_device *adev) 448 { 449 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; 450 451 hub->ctx0_ptb_addr_lo32 = 452 SOC15_REG_OFFSET(MMHUB, 0, 453 mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32); 454 hub->ctx0_ptb_addr_hi32 = 455 SOC15_REG_OFFSET(MMHUB, 0, 456 mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32); 457 hub->vm_inv_eng0_sem = 458 SOC15_REG_OFFSET(MMHUB, 0, 459 mmMMVM_INVALIDATE_ENG0_SEM); 460 hub->vm_inv_eng0_req = 461 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_REQ); 462 hub->vm_inv_eng0_ack = 463 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_ACK); 464 hub->vm_context0_cntl = 465 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_CNTL); 466 hub->vm_l2_pro_fault_status = 467 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_STATUS); 468 hub->vm_l2_pro_fault_cntl = 469 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL); 470 471 hub->ctx_distance = mmMMVM_CONTEXT1_CNTL - mmMMVM_CONTEXT0_CNTL; 472 hub->ctx_addr_distance = mmMMVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 - 473 mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32; 474 hub->eng_distance = mmMMVM_INVALIDATE_ENG1_REQ - 475 mmMMVM_INVALIDATE_ENG0_REQ; 476 hub->eng_addr_distance = mmMMVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 - 477 mmMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32; 478 479 hub->vm_cntx_cntl_vm_fault = MMVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 480 MMVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 481 MMVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 482 MMVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 483 MMVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 484 MMVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 485 MMVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK; 486 487 hub->vmhub_funcs = &mmhub_v2_3_vmhub_funcs; 488 } 489 490 static void 491 mmhub_v2_3_update_medium_grain_clock_gating(struct amdgpu_device *adev, 492 bool enable) 493 { 494 uint32_t def, data, def1, data1; 495 496 def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_CGTT_CLK_CTRL); 497 def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2); 498 499 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) { 500 data &= ~MM_ATC_L2_CGTT_CLK_CTRL__SOFT_OVERRIDE_MASK; 501 data1 &= ~(DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK | 502 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK | 503 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK | 504 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK | 505 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK | 506 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK); 507 508 } else { 509 data |= MM_ATC_L2_CGTT_CLK_CTRL__SOFT_OVERRIDE_MASK; 510 data1 |= (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK | 511 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK | 512 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK | 513 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK | 514 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK | 515 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK); 516 } 517 518 if (def != data) 519 WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_CGTT_CLK_CTRL, data); 520 if (def1 != data1) 521 WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2, data1); 522 } 523 524 static void 525 mmhub_v2_3_update_medium_grain_light_sleep(struct amdgpu_device *adev, 526 bool enable) 527 { 528 uint32_t def, data, def1, data1, def2, data2; 529 530 def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_CGTT_CLK_CTRL); 531 def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_WR_CGTT_CLK_CTRL); 532 def2 = data2 = RREG32_SOC15(MMHUB, 0, mmDAGB0_RD_CGTT_CLK_CTRL); 533 534 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) { 535 data &= ~MM_ATC_L2_CGTT_CLK_CTRL__MGLS_OVERRIDE_MASK; 536 data1 &= ~(DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_MASK | 537 DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_WRITE_MASK | 538 DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_READ_MASK | 539 DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_RETURN_MASK | 540 DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_REGISTER_MASK); 541 data2 &= ~(DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_MASK | 542 DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_WRITE_MASK | 543 DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_READ_MASK | 544 DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_RETURN_MASK | 545 DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_REGISTER_MASK); 546 } else { 547 data |= MM_ATC_L2_CGTT_CLK_CTRL__MGLS_OVERRIDE_MASK; 548 data1 |= (DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_MASK | 549 DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_WRITE_MASK | 550 DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_READ_MASK | 551 DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_RETURN_MASK | 552 DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_REGISTER_MASK); 553 data2 |= (DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_MASK | 554 DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_WRITE_MASK | 555 DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_READ_MASK | 556 DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_RETURN_MASK | 557 DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_REGISTER_MASK); 558 } 559 560 if (def != data) 561 WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_CGTT_CLK_CTRL, data); 562 if (def1 != data1) 563 WREG32_SOC15(MMHUB, 0, mmDAGB0_WR_CGTT_CLK_CTRL, data1); 564 if (def2 != data2) 565 WREG32_SOC15(MMHUB, 0, mmDAGB0_RD_CGTT_CLK_CTRL, data2); 566 } 567 568 static int mmhub_v2_3_set_clockgating(struct amdgpu_device *adev, 569 enum amd_clockgating_state state) 570 { 571 if (amdgpu_sriov_vf(adev)) 572 return 0; 573 574 mmhub_v2_3_update_medium_grain_clock_gating(adev, 575 state == AMD_CG_STATE_GATE); 576 mmhub_v2_3_update_medium_grain_light_sleep(adev, 577 state == AMD_CG_STATE_GATE); 578 579 return 0; 580 } 581 582 static void mmhub_v2_3_get_clockgating(struct amdgpu_device *adev, u64 *flags) 583 { 584 int data, data1, data2, data3; 585 586 if (amdgpu_sriov_vf(adev)) 587 *flags = 0; 588 589 data = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2); 590 data1 = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_CGTT_CLK_CTRL); 591 data2 = RREG32_SOC15(MMHUB, 0, mmDAGB0_WR_CGTT_CLK_CTRL); 592 data3 = RREG32_SOC15(MMHUB, 0, mmDAGB0_RD_CGTT_CLK_CTRL); 593 594 /* AMD_CG_SUPPORT_MC_MGCG */ 595 if (!(data & (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK | 596 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK | 597 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK | 598 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK | 599 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK | 600 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK)) 601 && !(data1 & MM_ATC_L2_CGTT_CLK_CTRL__SOFT_OVERRIDE_MASK)) { 602 *flags |= AMD_CG_SUPPORT_MC_MGCG; 603 } 604 605 /* AMD_CG_SUPPORT_MC_LS */ 606 if (!(data1 & MM_ATC_L2_CGTT_CLK_CTRL__MGLS_OVERRIDE_MASK) 607 && !(data2 & (DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_MASK | 608 DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_WRITE_MASK | 609 DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_READ_MASK | 610 DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_RETURN_MASK | 611 DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_REGISTER_MASK)) 612 && !(data3 & (DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_MASK | 613 DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_WRITE_MASK | 614 DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_READ_MASK | 615 DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_RETURN_MASK | 616 DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_REGISTER_MASK))) 617 *flags |= AMD_CG_SUPPORT_MC_LS; 618 } 619 620 const struct amdgpu_mmhub_funcs mmhub_v2_3_funcs = { 621 .init = mmhub_v2_3_init, 622 .gart_enable = mmhub_v2_3_gart_enable, 623 .set_fault_enable_default = mmhub_v2_3_set_fault_enable_default, 624 .gart_disable = mmhub_v2_3_gart_disable, 625 .set_clockgating = mmhub_v2_3_set_clockgating, 626 .get_clockgating = mmhub_v2_3_get_clockgating, 627 .setup_vm_pt_regs = mmhub_v2_3_setup_vm_pt_regs, 628 }; 629