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
34static 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
39static 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
54static 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(bo: adev->gmc.pdb0_bo);
60 else
61 pt_base = amdgpu_gmc_pd_addr(bo: adev->gart.bo);
62
63 gfxhub_v1_0_setup_vm_pt_regs(adev, vmid: 0, page_table_base: 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
91static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
92{
93 uint64_t value;
94
95 if (!amdgpu_sriov_vf(adev) || adev->asic_type <= CHIP_VEGA10) {
96 /* Program the AGP BAR */
97 WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_BASE, 0);
98 WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
99 WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
100
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, mc_addr: 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
154static 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
174static 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
218static 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
233static 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
250static 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 * hub->ctx_distance);
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
310static 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
323static 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
341static 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 */
376static 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
415static 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
446const struct amdgpu_gfxhub_funcs gfxhub_v1_0_funcs = {
447 .get_mc_fb_offset = gfxhub_v1_0_get_mc_fb_offset,
448 .setup_vm_pt_regs = gfxhub_v1_0_setup_vm_pt_regs,
449 .gart_enable = gfxhub_v1_0_gart_enable,
450 .gart_disable = gfxhub_v1_0_gart_disable,
451 .set_fault_enable_default = gfxhub_v1_0_set_fault_enable_default,
452 .init = gfxhub_v1_0_init,
453 .get_xgmi_info = gfxhub_v1_1_get_xgmi_info,
454};
455

source code of linux/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c