2 * Copyright 2022 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_v3_0_1.h"
27 #include "mmhub/mmhub_3_0_1_offset.h"
28 #include "mmhub/mmhub_3_0_1_sh_mask.h"
29 #include "navi10_enum.h"
31 #include "soc15_common.h"
33 #define regMMVM_L2_CNTL3_DEFAULT 0x80100007
34 #define regMMVM_L2_CNTL4_DEFAULT 0x000000c1
35 #define regMMVM_L2_CNTL5_DEFAULT 0x00003fe0
37 static const char *mmhub_client_ids_v3_0_1[][2] = {
75 static uint32_t mmhub_v3_0_1_get_invalidate_req(unsigned int vmid,
80 /* invalidate using legacy mode on vmid*/
81 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ,
82 PER_VMID_INVALIDATE_REQ, 1 << vmid);
83 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
84 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
85 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
86 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
87 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
88 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
89 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ,
90 CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0);
96 mmhub_v3_0_1_print_l2_protection_fault_status(struct amdgpu_device *adev,
100 const char *mmhub_cid = NULL;
102 cid = REG_GET_FIELD(status,
103 MMVM_L2_PROTECTION_FAULT_STATUS, CID);
104 rw = REG_GET_FIELD(status,
105 MMVM_L2_PROTECTION_FAULT_STATUS, RW);
108 "MMVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
111 switch (amdgpu_ip_version(adev, MMHUB_HWIP, 0)) {
112 case IP_VERSION(3, 0, 1):
113 mmhub_cid = mmhub_client_ids_v3_0_1[cid][rw];
120 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
121 mmhub_cid ? mmhub_cid : "unknown", cid);
122 dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
123 REG_GET_FIELD(status,
124 MMVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
125 dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
126 REG_GET_FIELD(status,
127 MMVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
128 dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
129 REG_GET_FIELD(status,
130 MMVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
131 dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
132 REG_GET_FIELD(status,
133 MMVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));
134 dev_err(adev->dev, "\t RW: 0x%x\n", rw);
137 static void mmhub_v3_0_1_setup_vm_pt_regs(struct amdgpu_device *adev,
139 uint64_t page_table_base)
141 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
143 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
144 hub->ctx_addr_distance * vmid,
145 lower_32_bits(page_table_base));
147 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
148 hub->ctx_addr_distance * vmid,
149 upper_32_bits(page_table_base));
152 static void mmhub_v3_0_1_init_gart_aperture_regs(struct amdgpu_device *adev)
154 uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
156 mmhub_v3_0_1_setup_vm_pt_regs(adev, 0, pt_base);
158 WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
159 (u32)(adev->gmc.gart_start >> 12));
160 WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
161 (u32)(adev->gmc.gart_start >> 44));
163 WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
164 (u32)(adev->gmc.gart_end >> 12));
165 WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
166 (u32)(adev->gmc.gart_end >> 44));
169 static void mmhub_v3_0_1_init_system_aperture_regs(struct amdgpu_device *adev)
174 /* Program the AGP BAR */
175 WREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_BASE, 0);
176 WREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
177 WREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
180 * the new L1 policy will block SRIOV guest from writing
181 * these regs, and they will be programed at host.
182 * so skip programing these regs.
184 /* Program the system aperture low logical page number. */
185 WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_LOW_ADDR,
186 min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
187 WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
188 max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
190 /* Set default page address. */
191 value = amdgpu_gmc_vram_mc2pa(adev, adev->mem_scratch.gpu_addr);
192 WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
194 WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
197 /* Program "protection fault". */
198 WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
199 (u32)(adev->dummy_page_addr >> 12));
200 WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
201 (u32)((u64)adev->dummy_page_addr >> 44));
203 tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL2);
204 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL2,
205 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
206 WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL2, tmp);
209 static void mmhub_v3_0_1_init_tlb_regs(struct amdgpu_device *adev)
213 /* Setup TLB control */
214 tmp = RREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL);
216 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
217 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
218 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
219 ENABLE_ADVANCED_DRIVER_MODEL, 1);
220 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
221 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
222 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
223 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
224 MTYPE, MTYPE_UC); /* UC, uncached */
226 WREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL, tmp);
229 static void mmhub_v3_0_1_init_cache_regs(struct amdgpu_device *adev)
234 tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL);
235 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 1);
236 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0);
237 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL,
238 ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
239 /* XXX for emulation, Refer to closed source code.*/
240 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
242 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
243 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
244 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
245 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL, tmp);
247 tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL2);
248 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
249 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
250 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL2, tmp);
252 tmp = regMMVM_L2_CNTL3_DEFAULT;
253 if (adev->gmc.translate_further) {
254 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 12);
255 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3,
256 L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
258 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 9);
259 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3,
260 L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
262 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL3, tmp);
264 tmp = regMMVM_L2_CNTL4_DEFAULT;
265 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
266 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
267 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL4, tmp);
269 tmp = regMMVM_L2_CNTL5_DEFAULT;
270 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
271 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL5, tmp);
274 static void mmhub_v3_0_1_enable_system_domain(struct amdgpu_device *adev)
278 tmp = RREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_CNTL);
279 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
280 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
281 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL,
282 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
283 WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_CNTL, tmp);
286 static void mmhub_v3_0_1_disable_identity_aperture(struct amdgpu_device *adev)
288 WREG32_SOC15(MMHUB, 0,
289 regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
291 WREG32_SOC15(MMHUB, 0,
292 regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
295 WREG32_SOC15(MMHUB, 0,
296 regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0);
297 WREG32_SOC15(MMHUB, 0,
298 regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0);
300 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32,
302 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32,
306 static void mmhub_v3_0_1_setup_vmid_config(struct amdgpu_device *adev)
308 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
312 for (i = 0; i <= 14; i++) {
313 tmp = RREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_CNTL, i * hub->ctx_distance);
314 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
315 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
316 adev->vm_manager.num_level);
317 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
318 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
319 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
320 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
322 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
323 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
324 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
325 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
326 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
327 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
328 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
329 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
330 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
331 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
332 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
333 PAGE_TABLE_BLOCK_SIZE,
334 adev->vm_manager.block_size - 9);
335 /* Send no-retry XNACK on fault to suppress VM fault storm. */
336 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
337 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
339 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_CNTL,
340 i * hub->ctx_distance, tmp);
341 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
342 i * hub->ctx_addr_distance, 0);
343 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
344 i * hub->ctx_addr_distance, 0);
345 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
346 i * hub->ctx_addr_distance,
347 lower_32_bits(adev->vm_manager.max_pfn - 1));
348 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
349 i * hub->ctx_addr_distance,
350 upper_32_bits(adev->vm_manager.max_pfn - 1));
353 hub->vm_cntx_cntl = tmp;
356 static void mmhub_v3_0_1_program_invalidation(struct amdgpu_device *adev)
358 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
361 for (i = 0; i < 18; ++i) {
362 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
363 i * hub->eng_addr_distance, 0xffffffff);
364 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
365 i * hub->eng_addr_distance, 0x1f);
369 static int mmhub_v3_0_1_gart_enable(struct amdgpu_device *adev)
372 mmhub_v3_0_1_init_gart_aperture_regs(adev);
373 mmhub_v3_0_1_init_system_aperture_regs(adev);
374 mmhub_v3_0_1_init_tlb_regs(adev);
375 mmhub_v3_0_1_init_cache_regs(adev);
377 mmhub_v3_0_1_enable_system_domain(adev);
378 mmhub_v3_0_1_disable_identity_aperture(adev);
379 mmhub_v3_0_1_setup_vmid_config(adev);
380 mmhub_v3_0_1_program_invalidation(adev);
385 static void mmhub_v3_0_1_gart_disable(struct amdgpu_device *adev)
387 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
391 /* Disable all tables */
392 for (i = 0; i < 16; i++)
393 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_CNTL,
394 i * hub->ctx_distance, 0);
396 /* Setup TLB control */
397 tmp = RREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL);
398 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
399 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
400 ENABLE_ADVANCED_DRIVER_MODEL, 0);
401 WREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL, tmp);
404 tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL);
405 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 0);
406 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL, tmp);
407 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL3, 0);
411 * mmhub_v3_0_1_set_fault_enable_default - update GART/VM fault handling
413 * @adev: amdgpu_device pointer
414 * @value: true redirects VM faults to the default page
416 static void mmhub_v3_0_1_set_fault_enable_default(struct amdgpu_device *adev,
421 tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL);
422 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
423 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
424 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
425 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
426 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
427 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
428 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
429 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
430 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
431 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
433 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
434 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
435 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
436 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
437 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
438 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
439 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
440 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
441 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
442 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
443 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
444 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
446 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
447 CRASH_ON_NO_RETRY_FAULT, 1);
448 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
449 CRASH_ON_RETRY_FAULT, 1);
451 WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL, tmp);
454 static const struct amdgpu_vmhub_funcs mmhub_v3_0_1_vmhub_funcs = {
455 .print_l2_protection_fault_status = mmhub_v3_0_1_print_l2_protection_fault_status,
456 .get_invalidate_req = mmhub_v3_0_1_get_invalidate_req,
459 static void mmhub_v3_0_1_init(struct amdgpu_device *adev)
461 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
463 hub->ctx0_ptb_addr_lo32 =
464 SOC15_REG_OFFSET(MMHUB, 0,
465 regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
466 hub->ctx0_ptb_addr_hi32 =
467 SOC15_REG_OFFSET(MMHUB, 0,
468 regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
469 hub->vm_inv_eng0_sem =
470 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_SEM);
471 hub->vm_inv_eng0_req =
472 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_REQ);
473 hub->vm_inv_eng0_ack =
474 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ACK);
475 hub->vm_context0_cntl =
476 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_CNTL);
477 hub->vm_l2_pro_fault_status =
478 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_STATUS);
479 hub->vm_l2_pro_fault_cntl =
480 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL);
482 hub->ctx_distance = regMMVM_CONTEXT1_CNTL - regMMVM_CONTEXT0_CNTL;
483 hub->ctx_addr_distance = regMMVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
484 regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
485 hub->eng_distance = regMMVM_INVALIDATE_ENG1_REQ -
486 regMMVM_INVALIDATE_ENG0_REQ;
487 hub->eng_addr_distance = regMMVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
488 regMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
490 hub->vm_cntx_cntl_vm_fault = MMVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
491 MMVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
492 MMVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
493 MMVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
494 MMVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
495 MMVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
496 MMVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
498 hub->vmhub_funcs = &mmhub_v3_0_1_vmhub_funcs;
501 static u64 mmhub_v3_0_1_get_fb_location(struct amdgpu_device *adev)
505 base = RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_LOCATION_BASE);
506 base &= MMMC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
512 static u64 mmhub_v3_0_1_get_mc_fb_offset(struct amdgpu_device *adev)
514 return (u64)RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_OFFSET) << 24;
517 static void mmhub_v3_0_1_update_medium_grain_clock_gating(struct amdgpu_device *adev,
522 def = data = RREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG);
525 data |= MM_ATC_L2_MISC_CG__ENABLE_MASK;
527 data &= ~MM_ATC_L2_MISC_CG__ENABLE_MASK;
530 WREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG, data);
533 static void mmhub_v3_0_1_update_medium_grain_light_sleep(struct amdgpu_device *adev,
538 def = data = RREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG);
541 data |= MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
543 data &= ~MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
546 WREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG, data);
549 static int mmhub_v3_0_1_set_clockgating(struct amdgpu_device *adev,
550 enum amd_clockgating_state state)
552 if (amdgpu_sriov_vf(adev))
555 mmhub_v3_0_1_update_medium_grain_clock_gating(adev,
556 state == AMD_CG_STATE_GATE);
557 mmhub_v3_0_1_update_medium_grain_light_sleep(adev,
558 state == AMD_CG_STATE_GATE);
562 static void mmhub_v3_0_1_get_clockgating(struct amdgpu_device *adev, u64 *flags)
566 if (amdgpu_sriov_vf(adev))
569 data = RREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG);
571 /* AMD_CG_SUPPORT_MC_MGCG */
572 if (data & MM_ATC_L2_MISC_CG__ENABLE_MASK)
573 *flags |= AMD_CG_SUPPORT_MC_MGCG;
575 /* AMD_CG_SUPPORT_MC_LS */
576 if (data & MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK)
577 *flags |= AMD_CG_SUPPORT_MC_LS;
580 const struct amdgpu_mmhub_funcs mmhub_v3_0_1_funcs = {
581 .init = mmhub_v3_0_1_init,
582 .get_fb_location = mmhub_v3_0_1_get_fb_location,
583 .get_mc_fb_offset = mmhub_v3_0_1_get_mc_fb_offset,
584 .gart_enable = mmhub_v3_0_1_gart_enable,
585 .set_fault_enable_default = mmhub_v3_0_1_set_fault_enable_default,
586 .gart_disable = mmhub_v3_0_1_gart_disable,
587 .set_clockgating = mmhub_v3_0_1_set_clockgating,
588 .get_clockgating = mmhub_v3_0_1_get_clockgating,
589 .setup_vm_pt_regs = mmhub_v3_0_1_setup_vm_pt_regs,