1 /* 2 * Copyright 2016 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 "amdgpu.h" 24 #include "gfxhub_v1_0.h" 25 #include "gfxhub_v1_1.h" 26 27 #include "gc/gc_9_0_offset.h" 28 #include "gc/gc_9_0_sh_mask.h" 29 #include "gc/gc_9_0_default.h" 30 #include "vega10_enum.h" 31 32 #include "soc15_common.h" 33 34 static u64 gfxhub_v1_0_get_mc_fb_offset(struct amdgpu_device *adev) 35 { 36 return (u64)RREG32_SOC15(GC, 0, mmMC_VM_FB_OFFSET) << 24; 37 } 38 39 static void gfxhub_v1_0_setup_vm_pt_regs(struct amdgpu_device *adev, 40 uint32_t vmid, 41 uint64_t page_table_base) 42 { 43 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; 44 45 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, 46 hub->ctx_addr_distance * vmid, 47 lower_32_bits(page_table_base)); 48 49 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, 50 hub->ctx_addr_distance * vmid, 51 upper_32_bits(page_table_base)); 52 } 53 54 static void gfxhub_v1_0_init_gart_aperture_regs(struct amdgpu_device *adev) 55 { 56 uint64_t pt_base; 57 58 if (adev->gmc.pdb0_bo) 59 pt_base = amdgpu_gmc_pd_addr(adev->gmc.pdb0_bo); 60 else 61 pt_base = amdgpu_gmc_pd_addr(adev->gart.bo); 62 63 gfxhub_v1_0_setup_vm_pt_regs(adev, 0, pt_base); 64 65 /* If use GART for FB translation, vmid0 page table covers both 66 * vram and system memory (gart) 67 */ 68 if (adev->gmc.pdb0_bo) { 69 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, 70 (u32)(adev->gmc.fb_start >> 12)); 71 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, 72 (u32)(adev->gmc.fb_start >> 44)); 73 74 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, 75 (u32)(adev->gmc.gart_end >> 12)); 76 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, 77 (u32)(adev->gmc.gart_end >> 44)); 78 } else { 79 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, 80 (u32)(adev->gmc.gart_start >> 12)); 81 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, 82 (u32)(adev->gmc.gart_start >> 44)); 83 84 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, 85 (u32)(adev->gmc.gart_end >> 12)); 86 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, 87 (u32)(adev->gmc.gart_end >> 44)); 88 } 89 } 90 91 static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev) 92 { 93 uint64_t value; 94 95 /* Program the AGP BAR */ 96 WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_BASE, 0); 97 WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_BOT, adev->gmc.agp_start >> 24); 98 WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_TOP, adev->gmc.agp_end >> 24); 99 100 if (!amdgpu_sriov_vf(adev) || adev->asic_type <= CHIP_VEGA10) { 101 /* Program the system aperture low logical page number. */ 102 WREG32_SOC15_RLC(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, 103 min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18); 104 105 if (adev->apu_flags & (AMD_APU_IS_RAVEN2 | 106 AMD_APU_IS_RENOIR | 107 AMD_APU_IS_GREEN_SARDINE)) 108 /* 109 * Raven2 has a HW issue that it is unable to use the 110 * vram which is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR. 111 * So here is the workaround that increase system 112 * aperture high address (add 1) to get rid of the VM 113 * fault and hardware hang. 114 */ 115 WREG32_SOC15_RLC(GC, 0, 116 mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 117 max((adev->gmc.fb_end >> 18) + 0x1, 118 adev->gmc.agp_end >> 18)); 119 else 120 WREG32_SOC15_RLC( 121 GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 122 max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18); 123 124 /* Set default page address. */ 125 value = amdgpu_gmc_vram_mc2pa(adev, adev->mem_scratch.gpu_addr); 126 WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, 127 (u32)(value >> 12)); 128 WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, 129 (u32)(value >> 44)); 130 131 /* Program "protection fault". */ 132 WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, 133 (u32)(adev->dummy_page_addr >> 12)); 134 WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, 135 (u32)((u64)adev->dummy_page_addr >> 44)); 136 137 WREG32_FIELD15(GC, 0, VM_L2_PROTECTION_FAULT_CNTL2, 138 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); 139 } 140 141 /* In the case squeezing vram into GART aperture, we don't use 142 * FB aperture and AGP aperture. Disable them. 143 */ 144 if (adev->gmc.pdb0_bo) { 145 WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_TOP, 0); 146 WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_BASE, 0x00FFFFFF); 147 WREG32_SOC15(GC, 0, mmMC_VM_AGP_TOP, 0); 148 WREG32_SOC15(GC, 0, mmMC_VM_AGP_BOT, 0xFFFFFF); 149 WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x3FFFFFFF); 150 WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0); 151 } 152 } 153 154 static void gfxhub_v1_0_init_tlb_regs(struct amdgpu_device *adev) 155 { 156 uint32_t tmp; 157 158 /* Setup TLB control */ 159 tmp = RREG32_SOC15(GC, 0, mmMC_VM_MX_L1_TLB_CNTL); 160 161 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); 162 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); 163 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, 164 ENABLE_ADVANCED_DRIVER_MODEL, 1); 165 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, 166 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); 167 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, 168 MTYPE, MTYPE_UC);/* XXX for emulation. */ 169 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1); 170 171 WREG32_SOC15_RLC(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp); 172 } 173 174 static void gfxhub_v1_0_init_cache_regs(struct amdgpu_device *adev) 175 { 176 uint32_t tmp; 177 178 /* Setup L2 cache */ 179 tmp = RREG32_SOC15(GC, 0, mmVM_L2_CNTL); 180 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1); 181 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1); 182 /* XXX for emulation, Refer to closed source code.*/ 183 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE, 184 0); 185 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0); 186 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); 187 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0); 188 WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL, tmp); 189 190 tmp = RREG32_SOC15(GC, 0, mmVM_L2_CNTL2); 191 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); 192 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); 193 WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL2, tmp); 194 195 tmp = mmVM_L2_CNTL3_DEFAULT; 196 if (adev->gmc.translate_further) { 197 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12); 198 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, 199 L2_CACHE_BIGK_FRAGMENT_SIZE, 9); 200 } else { 201 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 9); 202 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, 203 L2_CACHE_BIGK_FRAGMENT_SIZE, 6); 204 } 205 WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL3, tmp); 206 207 tmp = mmVM_L2_CNTL4_DEFAULT; 208 if (adev->gmc.xgmi.connected_to_cpu) { 209 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 1); 210 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 1); 211 } else { 212 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0); 213 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0); 214 } 215 WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL4, tmp); 216 } 217 218 static void gfxhub_v1_0_enable_system_domain(struct amdgpu_device *adev) 219 { 220 uint32_t tmp; 221 222 tmp = RREG32_SOC15(GC, 0, mmVM_CONTEXT0_CNTL); 223 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); 224 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 225 adev->gmc.vmid0_page_table_depth); 226 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_BLOCK_SIZE, 227 adev->gmc.vmid0_page_table_block_size); 228 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, 229 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0); 230 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_CNTL, tmp); 231 } 232 233 static void gfxhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev) 234 { 235 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, 236 0XFFFFFFFF); 237 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, 238 0x0000000F); 239 240 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 241 0); 242 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 243 0); 244 245 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0); 246 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0); 247 248 } 249 250 static void gfxhub_v1_0_setup_vmid_config(struct amdgpu_device *adev) 251 { 252 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; 253 unsigned int num_level, block_size; 254 uint32_t tmp; 255 int i; 256 257 num_level = adev->vm_manager.num_level; 258 block_size = adev->vm_manager.block_size; 259 if (adev->gmc.translate_further) 260 num_level -= 1; 261 else 262 block_size -= 9; 263 264 for (i = 0; i <= 14; i++) { 265 tmp = RREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL, i); 266 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); 267 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 268 num_level); 269 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 270 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 271 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 272 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 273 1); 274 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 275 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 276 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 277 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 278 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 279 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 280 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 281 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 282 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 283 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 284 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 285 PAGE_TABLE_BLOCK_SIZE, 286 block_size); 287 /* Send no-retry XNACK on fault to suppress VM fault storm. 288 * On Aldebaran, XNACK can be enabled in the SQ per-process. 289 * Retry faults need to be enabled for that to work. 290 */ 291 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 292 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 293 !adev->gmc.noretry || 294 adev->asic_type == CHIP_ALDEBARAN); 295 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL, 296 i * hub->ctx_distance, tmp); 297 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, 298 i * hub->ctx_addr_distance, 0); 299 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, 300 i * hub->ctx_addr_distance, 0); 301 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, 302 i * hub->ctx_addr_distance, 303 lower_32_bits(adev->vm_manager.max_pfn - 1)); 304 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, 305 i * hub->ctx_addr_distance, 306 upper_32_bits(adev->vm_manager.max_pfn - 1)); 307 } 308 } 309 310 static void gfxhub_v1_0_program_invalidation(struct amdgpu_device *adev) 311 { 312 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; 313 unsigned int i; 314 315 for (i = 0 ; i < 18; ++i) { 316 WREG32_SOC15_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32, 317 i * hub->eng_addr_distance, 0xffffffff); 318 WREG32_SOC15_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32, 319 i * hub->eng_addr_distance, 0x1f); 320 } 321 } 322 323 static int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev) 324 { 325 /* GART Enable. */ 326 gfxhub_v1_0_init_gart_aperture_regs(adev); 327 gfxhub_v1_0_init_system_aperture_regs(adev); 328 gfxhub_v1_0_init_tlb_regs(adev); 329 if (!amdgpu_sriov_vf(adev)) 330 gfxhub_v1_0_init_cache_regs(adev); 331 332 gfxhub_v1_0_enable_system_domain(adev); 333 if (!amdgpu_sriov_vf(adev)) 334 gfxhub_v1_0_disable_identity_aperture(adev); 335 gfxhub_v1_0_setup_vmid_config(adev); 336 gfxhub_v1_0_program_invalidation(adev); 337 338 return 0; 339 } 340 341 static void gfxhub_v1_0_gart_disable(struct amdgpu_device *adev) 342 { 343 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; 344 u32 tmp; 345 u32 i; 346 347 /* Disable all tables */ 348 for (i = 0; i < 16; i++) 349 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL, 350 i * hub->ctx_distance, 0); 351 352 if (amdgpu_sriov_vf(adev)) 353 /* Avoid write to GMC registers */ 354 return; 355 356 /* Setup TLB control */ 357 tmp = RREG32_SOC15(GC, 0, mmMC_VM_MX_L1_TLB_CNTL); 358 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); 359 tmp = REG_SET_FIELD(tmp, 360 MC_VM_MX_L1_TLB_CNTL, 361 ENABLE_ADVANCED_DRIVER_MODEL, 362 0); 363 WREG32_SOC15_RLC(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp); 364 365 /* Setup L2 cache */ 366 WREG32_FIELD15(GC, 0, VM_L2_CNTL, ENABLE_L2_CACHE, 0); 367 WREG32_SOC15(GC, 0, mmVM_L2_CNTL3, 0); 368 } 369 370 /** 371 * gfxhub_v1_0_set_fault_enable_default - update GART/VM fault handling 372 * 373 * @adev: amdgpu_device pointer 374 * @value: true redirects VM faults to the default page 375 */ 376 static void gfxhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev, 377 bool value) 378 { 379 u32 tmp; 380 381 tmp = RREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL); 382 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 383 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 384 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 385 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); 386 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 387 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value); 388 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 389 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value); 390 tmp = REG_SET_FIELD(tmp, 391 VM_L2_PROTECTION_FAULT_CNTL, 392 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT, 393 value); 394 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 395 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value); 396 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 397 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 398 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 399 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); 400 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 401 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); 402 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 403 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 404 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 405 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 406 if (!value) { 407 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 408 CRASH_ON_NO_RETRY_FAULT, 1); 409 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 410 CRASH_ON_RETRY_FAULT, 1); 411 } 412 WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp); 413 } 414 415 static void gfxhub_v1_0_init(struct amdgpu_device *adev) 416 { 417 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; 418 419 hub->ctx0_ptb_addr_lo32 = 420 SOC15_REG_OFFSET(GC, 0, 421 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32); 422 hub->ctx0_ptb_addr_hi32 = 423 SOC15_REG_OFFSET(GC, 0, 424 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32); 425 hub->vm_inv_eng0_sem = 426 SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_SEM); 427 hub->vm_inv_eng0_req = 428 SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_REQ); 429 hub->vm_inv_eng0_ack = 430 SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ACK); 431 hub->vm_context0_cntl = 432 SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL); 433 hub->vm_l2_pro_fault_status = 434 SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_STATUS); 435 hub->vm_l2_pro_fault_cntl = 436 SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL); 437 438 hub->ctx_distance = mmVM_CONTEXT1_CNTL - mmVM_CONTEXT0_CNTL; 439 hub->ctx_addr_distance = mmVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 - 440 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32; 441 hub->eng_distance = mmVM_INVALIDATE_ENG1_REQ - mmVM_INVALIDATE_ENG0_REQ; 442 hub->eng_addr_distance = mmVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 - 443 mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32; 444 } 445 446 447 const struct amdgpu_gfxhub_funcs gfxhub_v1_0_funcs = { 448 .get_mc_fb_offset = gfxhub_v1_0_get_mc_fb_offset, 449 .setup_vm_pt_regs = gfxhub_v1_0_setup_vm_pt_regs, 450 .gart_enable = gfxhub_v1_0_gart_enable, 451 .gart_disable = gfxhub_v1_0_gart_disable, 452 .set_fault_enable_default = gfxhub_v1_0_set_fault_enable_default, 453 .init = gfxhub_v1_0_init, 454 .get_xgmi_info = gfxhub_v1_1_get_xgmi_info, 455 }; 456