2 * Copyright 2019 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
25 #include "mmhub_v2_0.h"
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"
32 #include "soc15_common.h"
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
39 static const char *mmhub_client_ids_navi1x[][2] = {
66 static const char *mmhub_client_ids_sienna_cichlid[][2] = {
96 static const char *mmhub_client_ids_beige_goby[][2] = {
120 static uint32_t mmhub_v2_0_get_invalidate_req(unsigned int vmid,
125 /* invalidate using legacy mode on vmid*/
126 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ,
127 PER_VMID_INVALIDATE_REQ, 1 << vmid);
128 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
129 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
130 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
131 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
132 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
133 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
134 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ,
135 CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0);
141 mmhub_v2_0_print_l2_protection_fault_status(struct amdgpu_device *adev,
145 const char *mmhub_cid = NULL;
147 cid = REG_GET_FIELD(status,
148 MMVM_L2_PROTECTION_FAULT_STATUS, CID);
149 rw = REG_GET_FIELD(status,
150 MMVM_L2_PROTECTION_FAULT_STATUS, RW);
153 "MMVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
155 switch (adev->asic_type) {
159 mmhub_cid = mmhub_client_ids_navi1x[cid][rw];
161 case CHIP_SIENNA_CICHLID:
162 case CHIP_NAVY_FLOUNDER:
163 case CHIP_DIMGREY_CAVEFISH:
164 mmhub_cid = mmhub_client_ids_sienna_cichlid[cid][rw];
166 case CHIP_BEIGE_GOBY:
167 mmhub_cid = mmhub_client_ids_beige_goby[cid][rw];
173 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
174 mmhub_cid ? mmhub_cid : "unknown", cid);
175 dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
176 REG_GET_FIELD(status,
177 MMVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
178 dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
179 REG_GET_FIELD(status,
180 MMVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
181 dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
182 REG_GET_FIELD(status,
183 MMVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
184 dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
185 REG_GET_FIELD(status,
186 MMVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));
187 dev_err(adev->dev, "\t RW: 0x%x\n", rw);
190 static void mmhub_v2_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
191 uint64_t page_table_base)
193 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
195 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
196 hub->ctx_addr_distance * vmid,
197 lower_32_bits(page_table_base));
199 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
200 hub->ctx_addr_distance * vmid,
201 upper_32_bits(page_table_base));
204 static void mmhub_v2_0_init_gart_aperture_regs(struct amdgpu_device *adev)
206 uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
208 mmhub_v2_0_setup_vm_pt_regs(adev, 0, pt_base);
210 WREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
211 (u32)(adev->gmc.gart_start >> 12));
212 WREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
213 (u32)(adev->gmc.gart_start >> 44));
215 WREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
216 (u32)(adev->gmc.gart_end >> 12));
217 WREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
218 (u32)(adev->gmc.gart_end >> 44));
221 static void mmhub_v2_0_init_system_aperture_regs(struct amdgpu_device *adev)
226 /* Program the AGP BAR */
227 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_AGP_BASE, 0);
228 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
229 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
231 if (!amdgpu_sriov_vf(adev)) {
232 /* Program the system aperture low logical page number. */
233 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_LOW_ADDR,
234 min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
235 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
236 max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
239 /* Set default page address. */
240 value = amdgpu_gmc_vram_mc2pa(adev, adev->vram_scratch.gpu_addr);
241 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
243 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
246 /* Program "protection fault". */
247 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
248 (u32)(adev->dummy_page_addr >> 12));
249 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
250 (u32)((u64)adev->dummy_page_addr >> 44));
252 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL2);
253 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL2,
254 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
255 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL2, tmp);
258 static void mmhub_v2_0_init_tlb_regs(struct amdgpu_device *adev)
262 /* Setup TLB control */
263 tmp = RREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL);
265 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
266 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
267 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
268 ENABLE_ADVANCED_DRIVER_MODEL, 1);
269 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
270 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
271 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
272 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
273 MTYPE, MTYPE_UC); /* UC, uncached */
275 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL, tmp);
278 static void mmhub_v2_0_init_cache_regs(struct amdgpu_device *adev)
282 /* These registers are not accessible to VF-SRIOV.
283 * The PF will program them instead.
285 if (amdgpu_sriov_vf(adev))
289 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL);
290 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 1);
291 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0);
292 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL,
293 ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
294 /* XXX for emulation, Refer to closed source code.*/
295 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
297 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
298 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
299 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
300 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL, tmp);
302 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL2);
303 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
304 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
305 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL2, tmp);
307 tmp = mmMMVM_L2_CNTL3_DEFAULT;
308 if (adev->gmc.translate_further) {
309 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 12);
310 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3,
311 L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
313 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 9);
314 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3,
315 L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
317 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL3, tmp);
319 tmp = mmMMVM_L2_CNTL4_DEFAULT;
320 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
321 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
322 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL4, tmp);
324 tmp = mmMMVM_L2_CNTL5_DEFAULT;
325 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
326 WREG32_SOC15(GC, 0, mmMMVM_L2_CNTL5, tmp);
329 static void mmhub_v2_0_enable_system_domain(struct amdgpu_device *adev)
333 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_CNTL);
334 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
335 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
336 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL,
337 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
338 WREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_CNTL, tmp);
341 static void mmhub_v2_0_disable_identity_aperture(struct amdgpu_device *adev)
343 /* These registers are not accessible to VF-SRIOV.
344 * The PF will program them instead.
346 if (amdgpu_sriov_vf(adev))
349 WREG32_SOC15(MMHUB, 0,
350 mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
352 WREG32_SOC15(MMHUB, 0,
353 mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
356 WREG32_SOC15(MMHUB, 0,
357 mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0);
358 WREG32_SOC15(MMHUB, 0,
359 mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0);
361 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32,
363 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32,
367 static void mmhub_v2_0_setup_vmid_config(struct amdgpu_device *adev)
369 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
373 for (i = 0; i <= 14; i++) {
374 tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_CNTL, i);
375 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
376 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
377 adev->vm_manager.num_level);
378 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
379 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
380 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
381 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
383 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
384 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
385 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
386 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
387 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
388 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
389 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
390 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
391 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
392 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
393 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
394 PAGE_TABLE_BLOCK_SIZE,
395 adev->vm_manager.block_size - 9);
396 /* Send no-retry XNACK on fault to suppress VM fault storm. */
397 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
398 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
400 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_CNTL,
401 i * hub->ctx_distance, tmp);
402 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
403 i * hub->ctx_addr_distance, 0);
404 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
405 i * hub->ctx_addr_distance, 0);
406 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
407 i * hub->ctx_addr_distance,
408 lower_32_bits(adev->vm_manager.max_pfn - 1));
409 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
410 i * hub->ctx_addr_distance,
411 upper_32_bits(adev->vm_manager.max_pfn - 1));
415 static void mmhub_v2_0_program_invalidation(struct amdgpu_device *adev)
417 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
420 for (i = 0; i < 18; ++i) {
421 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
422 i * hub->eng_addr_distance, 0xffffffff);
423 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
424 i * hub->eng_addr_distance, 0x1f);
428 static int mmhub_v2_0_gart_enable(struct amdgpu_device *adev)
431 mmhub_v2_0_init_gart_aperture_regs(adev);
432 mmhub_v2_0_init_system_aperture_regs(adev);
433 mmhub_v2_0_init_tlb_regs(adev);
434 mmhub_v2_0_init_cache_regs(adev);
436 mmhub_v2_0_enable_system_domain(adev);
437 mmhub_v2_0_disable_identity_aperture(adev);
438 mmhub_v2_0_setup_vmid_config(adev);
439 mmhub_v2_0_program_invalidation(adev);
444 static void mmhub_v2_0_gart_disable(struct amdgpu_device *adev)
446 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
450 /* Disable all tables */
451 for (i = 0; i < AMDGPU_NUM_VMID; i++)
452 WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_CNTL,
453 i * hub->ctx_distance, 0);
455 /* Setup TLB control */
456 tmp = RREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL);
457 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
458 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
459 ENABLE_ADVANCED_DRIVER_MODEL, 0);
460 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL, tmp);
463 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL);
464 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 0);
465 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL, tmp);
466 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL3, 0);
470 * mmhub_v2_0_set_fault_enable_default - update GART/VM fault handling
472 * @adev: amdgpu_device pointer
473 * @value: true redirects VM faults to the default page
475 static void mmhub_v2_0_set_fault_enable_default(struct amdgpu_device *adev, bool value)
479 /* These registers are not accessible to VF-SRIOV.
480 * The PF will program them instead.
482 if (amdgpu_sriov_vf(adev))
485 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL);
486 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
487 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
488 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
489 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
490 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
491 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
492 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
493 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
494 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
495 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
497 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
498 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
499 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
500 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
501 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
502 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
503 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
504 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
505 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
506 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
507 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
508 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
510 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
511 CRASH_ON_NO_RETRY_FAULT, 1);
512 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
513 CRASH_ON_RETRY_FAULT, 1);
515 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL, tmp);
518 static const struct amdgpu_vmhub_funcs mmhub_v2_0_vmhub_funcs = {
519 .print_l2_protection_fault_status = mmhub_v2_0_print_l2_protection_fault_status,
520 .get_invalidate_req = mmhub_v2_0_get_invalidate_req,
523 static void mmhub_v2_0_init(struct amdgpu_device *adev)
525 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
527 hub->ctx0_ptb_addr_lo32 =
528 SOC15_REG_OFFSET(MMHUB, 0,
529 mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
530 hub->ctx0_ptb_addr_hi32 =
531 SOC15_REG_OFFSET(MMHUB, 0,
532 mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
533 hub->vm_inv_eng0_sem =
534 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_SEM);
535 hub->vm_inv_eng0_req =
536 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_REQ);
537 hub->vm_inv_eng0_ack =
538 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_ACK);
539 hub->vm_context0_cntl =
540 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_CNTL);
541 hub->vm_l2_pro_fault_status =
542 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_STATUS);
543 hub->vm_l2_pro_fault_cntl =
544 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL);
546 hub->ctx_distance = mmMMVM_CONTEXT1_CNTL - mmMMVM_CONTEXT0_CNTL;
547 hub->ctx_addr_distance = mmMMVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
548 mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
549 hub->eng_distance = mmMMVM_INVALIDATE_ENG1_REQ -
550 mmMMVM_INVALIDATE_ENG0_REQ;
551 hub->eng_addr_distance = mmMMVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
552 mmMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
554 hub->vm_cntx_cntl_vm_fault = MMVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
555 MMVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
556 MMVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
557 MMVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
558 MMVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
559 MMVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
560 MMVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
562 hub->vmhub_funcs = &mmhub_v2_0_vmhub_funcs;
565 static void mmhub_v2_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
568 uint32_t def, data, def1, data1;
570 switch (adev->asic_type) {
571 case CHIP_SIENNA_CICHLID:
572 case CHIP_NAVY_FLOUNDER:
573 case CHIP_DIMGREY_CAVEFISH:
574 case CHIP_BEIGE_GOBY:
575 def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid);
576 def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_Sienna_Cichlid);
579 def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG);
580 def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2);
584 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
585 data |= MM_ATC_L2_MISC_CG__ENABLE_MASK;
587 data1 &= ~(DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
588 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
589 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
590 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
591 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
592 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
595 data &= ~MM_ATC_L2_MISC_CG__ENABLE_MASK;
597 data1 |= (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
598 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
599 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
600 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
601 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
602 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
605 switch (adev->asic_type) {
606 case CHIP_SIENNA_CICHLID:
607 case CHIP_NAVY_FLOUNDER:
608 case CHIP_DIMGREY_CAVEFISH:
609 case CHIP_BEIGE_GOBY:
611 WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid, data);
613 WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_Sienna_Cichlid, data1);
617 WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG, data);
619 WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2, data1);
624 static void mmhub_v2_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
629 switch (adev->asic_type) {
630 case CHIP_SIENNA_CICHLID:
631 case CHIP_NAVY_FLOUNDER:
632 case CHIP_DIMGREY_CAVEFISH:
633 case CHIP_BEIGE_GOBY:
634 def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid);
637 def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG);
641 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
642 data |= MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
644 data &= ~MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
647 switch (adev->asic_type) {
648 case CHIP_SIENNA_CICHLID:
649 case CHIP_NAVY_FLOUNDER:
650 case CHIP_DIMGREY_CAVEFISH:
651 case CHIP_BEIGE_GOBY:
652 WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid, data);
655 WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG, data);
661 static int mmhub_v2_0_set_clockgating(struct amdgpu_device *adev,
662 enum amd_clockgating_state state)
664 if (amdgpu_sriov_vf(adev))
667 switch (adev->asic_type) {
671 case CHIP_SIENNA_CICHLID:
672 case CHIP_NAVY_FLOUNDER:
673 case CHIP_DIMGREY_CAVEFISH:
674 case CHIP_BEIGE_GOBY:
675 mmhub_v2_0_update_medium_grain_clock_gating(adev,
676 state == AMD_CG_STATE_GATE);
677 mmhub_v2_0_update_medium_grain_light_sleep(adev,
678 state == AMD_CG_STATE_GATE);
687 static void mmhub_v2_0_get_clockgating(struct amdgpu_device *adev, u32 *flags)
691 if (amdgpu_sriov_vf(adev))
694 switch (adev->asic_type) {
695 case CHIP_SIENNA_CICHLID:
696 case CHIP_NAVY_FLOUNDER:
697 case CHIP_DIMGREY_CAVEFISH:
698 case CHIP_BEIGE_GOBY:
699 data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid);
700 data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_Sienna_Cichlid);
703 data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG);
704 data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2);
708 /* AMD_CG_SUPPORT_MC_MGCG */
709 if ((data & MM_ATC_L2_MISC_CG__ENABLE_MASK) &&
710 !(data1 & (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
711 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
712 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
713 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
714 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
715 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK)))
716 *flags |= AMD_CG_SUPPORT_MC_MGCG;
718 /* AMD_CG_SUPPORT_MC_LS */
719 if (data & MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK)
720 *flags |= AMD_CG_SUPPORT_MC_LS;
723 const struct amdgpu_mmhub_funcs mmhub_v2_0_funcs = {
724 .init = mmhub_v2_0_init,
725 .gart_enable = mmhub_v2_0_gart_enable,
726 .set_fault_enable_default = mmhub_v2_0_set_fault_enable_default,
727 .gart_disable = mmhub_v2_0_gart_disable,
728 .set_clockgating = mmhub_v2_0_set_clockgating,
729 .get_clockgating = mmhub_v2_0_get_clockgating,
730 .setup_vm_pt_regs = mmhub_v2_0_setup_vm_pt_regs,