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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
26#include "gc/gc_9_0_offset.h"
27#include "gc/gc_9_0_sh_mask.h"
28#include "gc/gc_9_0_default.h"
29#include "vega10_enum.h"
30
31#include "soc15_common.h"
32
33u64 gfxhub_v1_0_get_mc_fb_offset(struct amdgpu_device *adev)
34{
35 return (u64)RREG32_SOC15(GC, 0, mmMC_VM_FB_OFFSET) << 24;
36}
37
38void gfxhub_v1_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
39 uint64_t page_table_base)
40{
41 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
42
43 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
44 hub->ctx_addr_distance * vmid,
45 lower_32_bits(page_table_base));
46
47 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
48 hub->ctx_addr_distance * vmid,
49 upper_32_bits(page_table_base));
50}
51
52static void gfxhub_v1_0_init_gart_aperture_regs(struct amdgpu_device *adev)
53{
54 uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
55
56 gfxhub_v1_0_setup_vm_pt_regs(adev, 0, pt_base);
57
58 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
59 (u32)(adev->gmc.gart_start >> 12));
60 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
61 (u32)(adev->gmc.gart_start >> 44));
62
63 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
64 (u32)(adev->gmc.gart_end >> 12));
65 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
66 (u32)(adev->gmc.gart_end >> 44));
67}
68
69static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
70{
71 uint64_t value;
72
73 /* Program the AGP BAR */
74 WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_BASE, 0);
75 WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
76 WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
77
78 if (!amdgpu_sriov_vf(adev) || adev->asic_type <= CHIP_VEGA10) {
79 /* Program the system aperture low logical page number. */
80 WREG32_SOC15_RLC(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
81 min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
82
83 if (adev->apu_flags & AMD_APU_IS_RAVEN2)
84 /*
85 * Raven2 has a HW issue that it is unable to use the
86 * vram which is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR.
87 * So here is the workaround that increase system
88 * aperture high address (add 1) to get rid of the VM
89 * fault and hardware hang.
90 */
91 WREG32_SOC15_RLC(GC, 0,
92 mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
93 max((adev->gmc.fb_end >> 18) + 0x1,
94 adev->gmc.agp_end >> 18));
95 else
96 WREG32_SOC15_RLC(
97 GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
98 max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
99
100 /* Set default page address. */
101 value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start +
102 adev->vm_manager.vram_base_offset;
103 WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
104 (u32)(value >> 12));
105 WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
106 (u32)(value >> 44));
107
108 /* Program "protection fault". */
109 WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
110 (u32)(adev->dummy_page_addr >> 12));
111 WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
112 (u32)((u64)adev->dummy_page_addr >> 44));
113
114 WREG32_FIELD15(GC, 0, VM_L2_PROTECTION_FAULT_CNTL2,
115 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
116 }
117}
118
119static void gfxhub_v1_0_init_tlb_regs(struct amdgpu_device *adev)
120{
121 uint32_t tmp;
122
123 /* Setup TLB control */
124 tmp = RREG32_SOC15(GC, 0, mmMC_VM_MX_L1_TLB_CNTL);
125
126 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
127 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
128 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
129 ENABLE_ADVANCED_DRIVER_MODEL, 1);
130 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
131 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
132 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
133 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
134 MTYPE, MTYPE_UC);/* XXX for emulation. */
135 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1);
136
137 WREG32_SOC15_RLC(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
138}
139
140static void gfxhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
141{
142 uint32_t tmp;
143
144 /* Setup L2 cache */
145 tmp = RREG32_SOC15(GC, 0, mmVM_L2_CNTL);
146 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
147 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
148 /* XXX for emulation, Refer to closed source code.*/
149 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
150 0);
151 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
152 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
153 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
154 WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL, tmp);
155
156 tmp = RREG32_SOC15(GC, 0, mmVM_L2_CNTL2);
157 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
158 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
159 WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL2, tmp);
160
161 tmp = mmVM_L2_CNTL3_DEFAULT;
162 if (adev->gmc.translate_further) {
163 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12);
164 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
165 L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
166 } else {
167 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 9);
168 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
169 L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
170 }
171 WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL3, tmp);
172
173 tmp = mmVM_L2_CNTL4_DEFAULT;
174 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
175 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
176 WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL4, tmp);
177}
178
179static void gfxhub_v1_0_enable_system_domain(struct amdgpu_device *adev)
180{
181 uint32_t tmp;
182
183 tmp = RREG32_SOC15(GC, 0, mmVM_CONTEXT0_CNTL);
184 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
185 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
186 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL,
187 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
188 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_CNTL, tmp);
189}
190
191static void gfxhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev)
192{
193 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
194 0XFFFFFFFF);
195 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
196 0x0000000F);
197
198 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,
199 0);
200 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,
201 0);
202
203 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);
204 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);
205
206}
207
208static void gfxhub_v1_0_setup_vmid_config(struct amdgpu_device *adev)
209{
210 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
211 unsigned num_level, block_size;
212 uint32_t tmp;
213 int i;
214
215 num_level = adev->vm_manager.num_level;
216 block_size = adev->vm_manager.block_size;
217 if (adev->gmc.translate_further)
218 num_level -= 1;
219 else
220 block_size -= 9;
221
222 for (i = 0; i <= 14; i++) {
223 tmp = RREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL, i);
224 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
225 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
226 num_level);
227 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
228 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
229 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
230 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
231 1);
232 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
233 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
234 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
235 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
236 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
237 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
238 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
239 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
240 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
241 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
242 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
243 PAGE_TABLE_BLOCK_SIZE,
244 block_size);
245 /* Send no-retry XNACK on fault to suppress VM fault storm. */
246 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
247 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
248 !amdgpu_noretry);
249 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL,
250 i * hub->ctx_distance, tmp);
251 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
252 i * hub->ctx_addr_distance, 0);
253 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
254 i * hub->ctx_addr_distance, 0);
255 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
256 i * hub->ctx_addr_distance,
257 lower_32_bits(adev->vm_manager.max_pfn - 1));
258 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
259 i * hub->ctx_addr_distance,
260 upper_32_bits(adev->vm_manager.max_pfn - 1));
261 }
262}
263
264static void gfxhub_v1_0_program_invalidation(struct amdgpu_device *adev)
265{
266 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
267 unsigned i;
268
269 for (i = 0 ; i < 18; ++i) {
270 WREG32_SOC15_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
271 i * hub->eng_addr_distance, 0xffffffff);
272 WREG32_SOC15_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
273 i * hub->eng_addr_distance, 0x1f);
274 }
275}
276
277int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev)
278{
279 if (amdgpu_sriov_vf(adev) && adev->asic_type != CHIP_ARCTURUS) {
280 /*
281 * MC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are
282 * VF copy registers so vbios post doesn't program them, for
283 * SRIOV driver need to program them
284 */
285 WREG32_SOC15_RLC(GC, 0, mmMC_VM_FB_LOCATION_BASE,
286 adev->gmc.vram_start >> 24);
287 WREG32_SOC15_RLC(GC, 0, mmMC_VM_FB_LOCATION_TOP,
288 adev->gmc.vram_end >> 24);
289 }
290
291 /* GART Enable. */
292 gfxhub_v1_0_init_gart_aperture_regs(adev);
293 gfxhub_v1_0_init_system_aperture_regs(adev);
294 gfxhub_v1_0_init_tlb_regs(adev);
295 if (!amdgpu_sriov_vf(adev))
296 gfxhub_v1_0_init_cache_regs(adev);
297
298 gfxhub_v1_0_enable_system_domain(adev);
299 if (!amdgpu_sriov_vf(adev))
300 gfxhub_v1_0_disable_identity_aperture(adev);
301 gfxhub_v1_0_setup_vmid_config(adev);
302 gfxhub_v1_0_program_invalidation(adev);
303
304 return 0;
305}
306
307void gfxhub_v1_0_gart_disable(struct amdgpu_device *adev)
308{
309 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
310 u32 tmp;
311 u32 i;
312
313 /* Disable all tables */
314 for (i = 0; i < 16; i++)
315 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL,
316 i * hub->ctx_distance, 0);
317
318 /* Setup TLB control */
319 tmp = RREG32_SOC15(GC, 0, mmMC_VM_MX_L1_TLB_CNTL);
320 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
321 tmp = REG_SET_FIELD(tmp,
322 MC_VM_MX_L1_TLB_CNTL,
323 ENABLE_ADVANCED_DRIVER_MODEL,
324 0);
325 WREG32_SOC15_RLC(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
326
327 /* Setup L2 cache */
328 WREG32_FIELD15(GC, 0, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
329 WREG32_SOC15(GC, 0, mmVM_L2_CNTL3, 0);
330}
331
332/**
333 * gfxhub_v1_0_set_fault_enable_default - update GART/VM fault handling
334 *
335 * @adev: amdgpu_device pointer
336 * @value: true redirects VM faults to the default page
337 */
338void gfxhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev,
339 bool value)
340{
341 u32 tmp;
342 tmp = RREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
343 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
344 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
345 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
346 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
347 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
348 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
349 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
350 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
351 tmp = REG_SET_FIELD(tmp,
352 VM_L2_PROTECTION_FAULT_CNTL,
353 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
354 value);
355 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
356 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
357 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
358 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
359 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
360 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
361 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
362 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
363 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
364 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
365 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
366 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
367 if (!value) {
368 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
369 CRASH_ON_NO_RETRY_FAULT, 1);
370 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
371 CRASH_ON_RETRY_FAULT, 1);
372 }
373 WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp);
374}
375
376void gfxhub_v1_0_init(struct amdgpu_device *adev)
377{
378 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
379
380 hub->ctx0_ptb_addr_lo32 =
381 SOC15_REG_OFFSET(GC, 0,
382 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
383 hub->ctx0_ptb_addr_hi32 =
384 SOC15_REG_OFFSET(GC, 0,
385 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
386 hub->vm_inv_eng0_sem =
387 SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_SEM);
388 hub->vm_inv_eng0_req =
389 SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_REQ);
390 hub->vm_inv_eng0_ack =
391 SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ACK);
392 hub->vm_context0_cntl =
393 SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL);
394 hub->vm_l2_pro_fault_status =
395 SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_STATUS);
396 hub->vm_l2_pro_fault_cntl =
397 SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
398
399 hub->ctx_distance = mmVM_CONTEXT1_CNTL - mmVM_CONTEXT0_CNTL;
400 hub->ctx_addr_distance = mmVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
401 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
402 hub->eng_distance = mmVM_INVALIDATE_ENG1_REQ - mmVM_INVALIDATE_ENG0_REQ;
403 hub->eng_addr_distance = mmVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
404 mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
405}
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(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
91static 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 /*
107 * Raven2 has a HW issue that it is unable to use the
108 * vram which is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR.
109 * So here is the workaround that increase system
110 * aperture high address (add 1) to get rid of the VM
111 * fault and hardware hang.
112 */
113 WREG32_SOC15_RLC(GC, 0,
114 mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
115 max((adev->gmc.fb_end >> 18) + 0x1,
116 adev->gmc.agp_end >> 18));
117 else
118 WREG32_SOC15_RLC(
119 GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
120 max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
121
122 /* Set default page address. */
123 value = amdgpu_gmc_vram_mc2pa(adev, adev->vram_scratch.gpu_addr);
124 WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
125 (u32)(value >> 12));
126 WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
127 (u32)(value >> 44));
128
129 /* Program "protection fault". */
130 WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
131 (u32)(adev->dummy_page_addr >> 12));
132 WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
133 (u32)((u64)adev->dummy_page_addr >> 44));
134
135 WREG32_FIELD15(GC, 0, VM_L2_PROTECTION_FAULT_CNTL2,
136 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
137 }
138
139 /* In the case squeezing vram into GART aperture, we don't use
140 * FB aperture and AGP aperture. Disable them.
141 */
142 if (adev->gmc.pdb0_bo) {
143 WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_TOP, 0);
144 WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_BASE, 0x00FFFFFF);
145 WREG32_SOC15(GC, 0, mmMC_VM_AGP_TOP, 0);
146 WREG32_SOC15(GC, 0, mmMC_VM_AGP_BOT, 0xFFFFFF);
147 WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x3FFFFFFF);
148 WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0);
149 }
150}
151
152static void gfxhub_v1_0_init_tlb_regs(struct amdgpu_device *adev)
153{
154 uint32_t tmp;
155
156 /* Setup TLB control */
157 tmp = RREG32_SOC15(GC, 0, mmMC_VM_MX_L1_TLB_CNTL);
158
159 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
160 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
161 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
162 ENABLE_ADVANCED_DRIVER_MODEL, 1);
163 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
164 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
165 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
166 MTYPE, MTYPE_UC);/* XXX for emulation. */
167 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1);
168
169 WREG32_SOC15_RLC(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
170}
171
172static void gfxhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
173{
174 uint32_t tmp;
175
176 /* Setup L2 cache */
177 tmp = RREG32_SOC15(GC, 0, mmVM_L2_CNTL);
178 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
179 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
180 /* XXX for emulation, Refer to closed source code.*/
181 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
182 0);
183 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
184 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
185 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
186 WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL, tmp);
187
188 tmp = RREG32_SOC15(GC, 0, mmVM_L2_CNTL2);
189 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
190 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
191 WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL2, tmp);
192
193 tmp = mmVM_L2_CNTL3_DEFAULT;
194 if (adev->gmc.translate_further) {
195 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12);
196 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
197 L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
198 } else {
199 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 9);
200 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
201 L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
202 }
203 WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL3, tmp);
204
205 tmp = mmVM_L2_CNTL4_DEFAULT;
206 if (adev->gmc.xgmi.connected_to_cpu) {
207 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 1);
208 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 1);
209 } else {
210 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
211 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
212 }
213 WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL4, tmp);
214}
215
216static void gfxhub_v1_0_enable_system_domain(struct amdgpu_device *adev)
217{
218 uint32_t tmp;
219
220 tmp = RREG32_SOC15(GC, 0, mmVM_CONTEXT0_CNTL);
221 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
222 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH,
223 adev->gmc.vmid0_page_table_depth);
224 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_BLOCK_SIZE,
225 adev->gmc.vmid0_page_table_block_size);
226 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL,
227 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
228 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_CNTL, tmp);
229}
230
231static void gfxhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev)
232{
233 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
234 0XFFFFFFFF);
235 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
236 0x0000000F);
237
238 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,
239 0);
240 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,
241 0);
242
243 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);
244 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);
245
246}
247
248static void gfxhub_v1_0_setup_vmid_config(struct amdgpu_device *adev)
249{
250 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
251 unsigned num_level, block_size;
252 uint32_t tmp;
253 int i;
254
255 num_level = adev->vm_manager.num_level;
256 block_size = adev->vm_manager.block_size;
257 if (adev->gmc.translate_further)
258 num_level -= 1;
259 else
260 block_size -= 9;
261
262 for (i = 0; i <= 14; i++) {
263 tmp = RREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL, i);
264 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
265 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
266 num_level);
267 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
268 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
269 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
270 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
271 1);
272 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
273 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
274 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
275 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
276 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
277 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
278 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
279 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
280 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
281 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
282 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
283 PAGE_TABLE_BLOCK_SIZE,
284 block_size);
285 /* Send no-retry XNACK on fault to suppress VM fault storm.
286 * On Aldebaran, XNACK can be enabled in the SQ per-process.
287 * Retry faults need to be enabled for that to work.
288 */
289 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
290 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
291 !adev->gmc.noretry ||
292 adev->asic_type == CHIP_ALDEBARAN);
293 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL,
294 i * hub->ctx_distance, tmp);
295 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
296 i * hub->ctx_addr_distance, 0);
297 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
298 i * hub->ctx_addr_distance, 0);
299 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
300 i * hub->ctx_addr_distance,
301 lower_32_bits(adev->vm_manager.max_pfn - 1));
302 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
303 i * hub->ctx_addr_distance,
304 upper_32_bits(adev->vm_manager.max_pfn - 1));
305 }
306}
307
308static void gfxhub_v1_0_program_invalidation(struct amdgpu_device *adev)
309{
310 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
311 unsigned i;
312
313 for (i = 0 ; i < 18; ++i) {
314 WREG32_SOC15_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
315 i * hub->eng_addr_distance, 0xffffffff);
316 WREG32_SOC15_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
317 i * hub->eng_addr_distance, 0x1f);
318 }
319}
320
321static int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev)
322{
323 /* GART Enable. */
324 gfxhub_v1_0_init_gart_aperture_regs(adev);
325 gfxhub_v1_0_init_system_aperture_regs(adev);
326 gfxhub_v1_0_init_tlb_regs(adev);
327 if (!amdgpu_sriov_vf(adev))
328 gfxhub_v1_0_init_cache_regs(adev);
329
330 gfxhub_v1_0_enable_system_domain(adev);
331 if (!amdgpu_sriov_vf(adev))
332 gfxhub_v1_0_disable_identity_aperture(adev);
333 gfxhub_v1_0_setup_vmid_config(adev);
334 gfxhub_v1_0_program_invalidation(adev);
335
336 return 0;
337}
338
339static void gfxhub_v1_0_gart_disable(struct amdgpu_device *adev)
340{
341 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
342 u32 tmp;
343 u32 i;
344
345 /* Disable all tables */
346 for (i = 0; i < 16; i++)
347 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL,
348 i * hub->ctx_distance, 0);
349
350 if (amdgpu_sriov_vf(adev))
351 /* Avoid write to GMC registers */
352 return;
353
354 /* Setup TLB control */
355 tmp = RREG32_SOC15(GC, 0, mmMC_VM_MX_L1_TLB_CNTL);
356 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
357 tmp = REG_SET_FIELD(tmp,
358 MC_VM_MX_L1_TLB_CNTL,
359 ENABLE_ADVANCED_DRIVER_MODEL,
360 0);
361 WREG32_SOC15_RLC(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
362
363 /* Setup L2 cache */
364 WREG32_FIELD15(GC, 0, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
365 WREG32_SOC15(GC, 0, mmVM_L2_CNTL3, 0);
366}
367
368/**
369 * gfxhub_v1_0_set_fault_enable_default - update GART/VM fault handling
370 *
371 * @adev: amdgpu_device pointer
372 * @value: true redirects VM faults to the default page
373 */
374static void gfxhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev,
375 bool value)
376{
377 u32 tmp;
378 tmp = RREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
379 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
380 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
381 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
382 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
383 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
384 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
385 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
386 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
387 tmp = REG_SET_FIELD(tmp,
388 VM_L2_PROTECTION_FAULT_CNTL,
389 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
390 value);
391 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
392 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
393 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
394 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
395 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
396 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
397 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
398 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
399 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
400 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
401 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
402 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
403 if (!value) {
404 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
405 CRASH_ON_NO_RETRY_FAULT, 1);
406 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
407 CRASH_ON_RETRY_FAULT, 1);
408 }
409 WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp);
410}
411
412static void gfxhub_v1_0_init(struct amdgpu_device *adev)
413{
414 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
415
416 hub->ctx0_ptb_addr_lo32 =
417 SOC15_REG_OFFSET(GC, 0,
418 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
419 hub->ctx0_ptb_addr_hi32 =
420 SOC15_REG_OFFSET(GC, 0,
421 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
422 hub->vm_inv_eng0_sem =
423 SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_SEM);
424 hub->vm_inv_eng0_req =
425 SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_REQ);
426 hub->vm_inv_eng0_ack =
427 SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ACK);
428 hub->vm_context0_cntl =
429 SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL);
430 hub->vm_l2_pro_fault_status =
431 SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_STATUS);
432 hub->vm_l2_pro_fault_cntl =
433 SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
434
435 hub->ctx_distance = mmVM_CONTEXT1_CNTL - mmVM_CONTEXT0_CNTL;
436 hub->ctx_addr_distance = mmVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
437 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
438 hub->eng_distance = mmVM_INVALIDATE_ENG1_REQ - mmVM_INVALIDATE_ENG0_REQ;
439 hub->eng_addr_distance = mmVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
440 mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
441}
442
443
444const struct amdgpu_gfxhub_funcs gfxhub_v1_0_funcs = {
445 .get_mc_fb_offset = gfxhub_v1_0_get_mc_fb_offset,
446 .setup_vm_pt_regs = gfxhub_v1_0_setup_vm_pt_regs,
447 .gart_enable = gfxhub_v1_0_gart_enable,
448 .gart_disable = gfxhub_v1_0_gart_disable,
449 .set_fault_enable_default = gfxhub_v1_0_set_fault_enable_default,
450 .init = gfxhub_v1_0_init,
451 .get_xgmi_info = gfxhub_v1_1_get_xgmi_info,
452};