1 /*
2 * Copyright 2019 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
24 #include "amdgpu.h"
25 #include "gfxhub_v2_1.h"
26
27 #include "gc/gc_10_3_0_offset.h"
28 #include "gc/gc_10_3_0_sh_mask.h"
29 #include "gc/gc_10_3_0_default.h"
30 #include "navi10_enum.h"
31
32 #include "soc15_common.h"
33
34 #define mmGCUTCL2_HARVEST_BYPASS_GROUPS_YELLOW_CARP 0x16f8
35 #define mmGCUTCL2_HARVEST_BYPASS_GROUPS_YELLOW_CARP_BASE_IDX 0
36
37 static const char *gfxhub_client_ids[] = {
38 "CB/DB",
39 "Reserved",
40 "GE1",
41 "GE2",
42 "CPF",
43 "CPC",
44 "CPG",
45 "RLC",
46 "TCP",
47 "SQC (inst)",
48 "SQC (data)",
49 "SQG",
50 "Reserved",
51 "SDMA0",
52 "SDMA1",
53 "GCR",
54 "SDMA2",
55 "SDMA3",
56 };
57
gfxhub_v2_1_get_invalidate_req(unsigned int vmid,uint32_t flush_type)58 static uint32_t gfxhub_v2_1_get_invalidate_req(unsigned int vmid,
59 uint32_t flush_type)
60 {
61 u32 req = 0;
62
63 /* invalidate using legacy mode on vmid*/
64 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,
65 PER_VMID_INVALIDATE_REQ, 1 << vmid);
66 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
67 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
68 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
69 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
70 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
71 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
72 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,
73 CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0);
74
75 return req;
76 }
77
78 static void
gfxhub_v2_1_print_l2_protection_fault_status(struct amdgpu_device * adev,uint32_t status)79 gfxhub_v2_1_print_l2_protection_fault_status(struct amdgpu_device *adev,
80 uint32_t status)
81 {
82 u32 cid = REG_GET_FIELD(status,
83 GCVM_L2_PROTECTION_FAULT_STATUS, CID);
84
85 dev_err(adev->dev,
86 "GCVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
87 status);
88 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
89 cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" : gfxhub_client_ids[cid],
90 cid);
91 dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
92 REG_GET_FIELD(status,
93 GCVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
94 dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
95 REG_GET_FIELD(status,
96 GCVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
97 dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
98 REG_GET_FIELD(status,
99 GCVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
100 dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
101 REG_GET_FIELD(status,
102 GCVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));
103 dev_err(adev->dev, "\t RW: 0x%lx\n",
104 REG_GET_FIELD(status,
105 GCVM_L2_PROTECTION_FAULT_STATUS, RW));
106 }
107
gfxhub_v2_1_get_fb_location(struct amdgpu_device * adev)108 static u64 gfxhub_v2_1_get_fb_location(struct amdgpu_device *adev)
109 {
110 u64 base = RREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_BASE);
111
112 base &= GCMC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
113 base <<= 24;
114
115 return base;
116 }
117
gfxhub_v2_1_get_mc_fb_offset(struct amdgpu_device * adev)118 static u64 gfxhub_v2_1_get_mc_fb_offset(struct amdgpu_device *adev)
119 {
120 return (u64)RREG32_SOC15(GC, 0, mmGCMC_VM_FB_OFFSET) << 24;
121 }
122
gfxhub_v2_1_setup_vm_pt_regs(struct amdgpu_device * adev,uint32_t vmid,uint64_t page_table_base)123 static void gfxhub_v2_1_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
124 uint64_t page_table_base)
125 {
126 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
127
128 WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
129 hub->ctx_addr_distance * vmid,
130 lower_32_bits(page_table_base));
131
132 WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
133 hub->ctx_addr_distance * vmid,
134 upper_32_bits(page_table_base));
135 }
136
gfxhub_v2_1_init_gart_aperture_regs(struct amdgpu_device * adev)137 static void gfxhub_v2_1_init_gart_aperture_regs(struct amdgpu_device *adev)
138 {
139 uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
140
141 gfxhub_v2_1_setup_vm_pt_regs(adev, 0, pt_base);
142
143 WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
144 (u32)(adev->gmc.gart_start >> 12));
145 WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
146 (u32)(adev->gmc.gart_start >> 44));
147
148 WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
149 (u32)(adev->gmc.gart_end >> 12));
150 WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
151 (u32)(adev->gmc.gart_end >> 44));
152 }
153
gfxhub_v2_1_init_system_aperture_regs(struct amdgpu_device * adev)154 static void gfxhub_v2_1_init_system_aperture_regs(struct amdgpu_device *adev)
155 {
156 uint64_t value;
157
158 /* Program the AGP BAR */
159 WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BASE, 0);
160 WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
161 WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
162
163 /* Program the system aperture low logical page number. */
164 WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_LOW_ADDR,
165 min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
166 WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
167 max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
168
169 /* Set default page address. */
170 value = amdgpu_gmc_vram_mc2pa(adev, adev->vram_scratch.gpu_addr);
171 WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
172 (u32)(value >> 12));
173 WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
174 (u32)(value >> 44));
175
176 /* Program "protection fault". */
177 WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
178 (u32)(adev->dummy_page_addr >> 12));
179 WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
180 (u32)((u64)adev->dummy_page_addr >> 44));
181
182 WREG32_FIELD15(GC, 0, GCVM_L2_PROTECTION_FAULT_CNTL2,
183 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
184 }
185
186
gfxhub_v2_1_init_tlb_regs(struct amdgpu_device * adev)187 static void gfxhub_v2_1_init_tlb_regs(struct amdgpu_device *adev)
188 {
189 uint32_t tmp;
190
191 /* Setup TLB control */
192 tmp = RREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL);
193
194 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
195 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
196 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
197 ENABLE_ADVANCED_DRIVER_MODEL, 1);
198 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
199 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
200 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
201 MTYPE, MTYPE_UC); /* UC, uncached */
202
203 WREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL, tmp);
204 }
205
gfxhub_v2_1_init_cache_regs(struct amdgpu_device * adev)206 static void gfxhub_v2_1_init_cache_regs(struct amdgpu_device *adev)
207 {
208 uint32_t tmp;
209
210 /* These registers are not accessible to VF-SRIOV.
211 * The PF will program them instead.
212 */
213 if (amdgpu_sriov_vf(adev))
214 return;
215
216 /* Setup L2 cache */
217 tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_CNTL);
218 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_CACHE, 1);
219 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0);
220 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,
221 ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
222 /* XXX for emulation, Refer to closed source code.*/
223 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,
224 L2_PDE0_CACHE_TAG_GENERATION_MODE, 0);
225 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
226 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
227 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
228 WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL, tmp);
229
230 tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_CNTL2);
231 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
232 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
233 WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL2, tmp);
234
235 tmp = mmGCVM_L2_CNTL3_DEFAULT;
236 if (adev->gmc.translate_further) {
237 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 12);
238 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,
239 L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
240 } else {
241 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 9);
242 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,
243 L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
244 }
245 WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL3, tmp);
246
247 tmp = mmGCVM_L2_CNTL4_DEFAULT;
248 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
249 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
250 WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL4, tmp);
251
252 tmp = mmGCVM_L2_CNTL5_DEFAULT;
253 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
254 WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL5, tmp);
255 }
256
gfxhub_v2_1_enable_system_domain(struct amdgpu_device * adev)257 static void gfxhub_v2_1_enable_system_domain(struct amdgpu_device *adev)
258 {
259 uint32_t tmp;
260
261 tmp = RREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_CNTL);
262 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
263 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
264 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL,
265 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
266 WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_CNTL, tmp);
267 }
268
gfxhub_v2_1_disable_identity_aperture(struct amdgpu_device * adev)269 static void gfxhub_v2_1_disable_identity_aperture(struct amdgpu_device *adev)
270 {
271 /* These registers are not accessible to VF-SRIOV.
272 * The PF will program them instead.
273 */
274 if (amdgpu_sriov_vf(adev))
275 return;
276
277 WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
278 0xFFFFFFFF);
279 WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
280 0x0000000F);
281
282 WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,
283 0);
284 WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,
285 0);
286
287 WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);
288 WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);
289
290 }
291
gfxhub_v2_1_setup_vmid_config(struct amdgpu_device * adev)292 static void gfxhub_v2_1_setup_vmid_config(struct amdgpu_device *adev)
293 {
294 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
295 int i;
296 uint32_t tmp;
297
298 for (i = 0; i <= 14; i++) {
299 tmp = RREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_CNTL, i);
300 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
301 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
302 adev->vm_manager.num_level);
303 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
304 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
305 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
306 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
307 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
308 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
309 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
310 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
311 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
312 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
313 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
314 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
315 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
316 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
317 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
318 PAGE_TABLE_BLOCK_SIZE,
319 adev->vm_manager.block_size - 9);
320 /* Send no-retry XNACK on fault to suppress VM fault storm. */
321 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
322 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
323 !adev->gmc.noretry);
324 WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_CNTL,
325 i * hub->ctx_distance, tmp);
326 WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
327 i * hub->ctx_addr_distance, 0);
328 WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
329 i * hub->ctx_addr_distance, 0);
330 WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
331 i * hub->ctx_addr_distance,
332 lower_32_bits(adev->vm_manager.max_pfn - 1));
333 WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
334 i * hub->ctx_addr_distance,
335 upper_32_bits(adev->vm_manager.max_pfn - 1));
336 }
337 }
338
gfxhub_v2_1_program_invalidation(struct amdgpu_device * adev)339 static void gfxhub_v2_1_program_invalidation(struct amdgpu_device *adev)
340 {
341 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
342 unsigned i;
343
344 for (i = 0 ; i < 18; ++i) {
345 WREG32_SOC15_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
346 i * hub->eng_addr_distance, 0xffffffff);
347 WREG32_SOC15_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
348 i * hub->eng_addr_distance, 0x1f);
349 }
350 }
351
gfxhub_v2_1_gart_enable(struct amdgpu_device * adev)352 static int gfxhub_v2_1_gart_enable(struct amdgpu_device *adev)
353 {
354 if (amdgpu_sriov_vf(adev)) {
355 /*
356 * GCMC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are
357 * VF copy registers so vbios post doesn't program them, for
358 * SRIOV driver need to program them
359 */
360 WREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_BASE,
361 adev->gmc.vram_start >> 24);
362 WREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_TOP,
363 adev->gmc.vram_end >> 24);
364 }
365
366 /* GART Enable. */
367 gfxhub_v2_1_init_gart_aperture_regs(adev);
368 gfxhub_v2_1_init_system_aperture_regs(adev);
369 gfxhub_v2_1_init_tlb_regs(adev);
370 gfxhub_v2_1_init_cache_regs(adev);
371
372 gfxhub_v2_1_enable_system_domain(adev);
373 gfxhub_v2_1_disable_identity_aperture(adev);
374 gfxhub_v2_1_setup_vmid_config(adev);
375 gfxhub_v2_1_program_invalidation(adev);
376
377 return 0;
378 }
379
gfxhub_v2_1_gart_disable(struct amdgpu_device * adev)380 static void gfxhub_v2_1_gart_disable(struct amdgpu_device *adev)
381 {
382 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
383 u32 tmp;
384 u32 i;
385
386 /* Disable all tables */
387 for (i = 0; i < 16; i++)
388 WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_CNTL,
389 i * hub->ctx_distance, 0);
390
391 /* Setup TLB control */
392 tmp = RREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL);
393 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
394 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
395 ENABLE_ADVANCED_DRIVER_MODEL, 0);
396 WREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL, tmp);
397
398 /* Setup L2 cache */
399 WREG32_FIELD15(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0);
400 WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL3, 0);
401 }
402
403 /**
404 * gfxhub_v2_1_set_fault_enable_default - update GART/VM fault handling
405 *
406 * @adev: amdgpu_device pointer
407 * @value: true redirects VM faults to the default page
408 */
gfxhub_v2_1_set_fault_enable_default(struct amdgpu_device * adev,bool value)409 static void gfxhub_v2_1_set_fault_enable_default(struct amdgpu_device *adev,
410 bool value)
411 {
412 u32 tmp;
413
414 /* These registers are not accessible to VF-SRIOV.
415 * The PF will program them instead.
416 */
417 if (amdgpu_sriov_vf(adev))
418 return;
419
420 tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL);
421 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
422 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
423 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
424 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
425 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
426 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
427 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
428 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
429 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
430 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
431 value);
432 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
433 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
434 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
435 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
436 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
437 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
438 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
439 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
440 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
441 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
442 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
443 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
444 if (!value) {
445 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
446 CRASH_ON_NO_RETRY_FAULT, 1);
447 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
448 CRASH_ON_RETRY_FAULT, 1);
449 }
450 WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL, tmp);
451 }
452
453 static const struct amdgpu_vmhub_funcs gfxhub_v2_1_vmhub_funcs = {
454 .print_l2_protection_fault_status = gfxhub_v2_1_print_l2_protection_fault_status,
455 .get_invalidate_req = gfxhub_v2_1_get_invalidate_req,
456 };
457
gfxhub_v2_1_init(struct amdgpu_device * adev)458 static void gfxhub_v2_1_init(struct amdgpu_device *adev)
459 {
460 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
461
462 hub->ctx0_ptb_addr_lo32 =
463 SOC15_REG_OFFSET(GC, 0,
464 mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
465 hub->ctx0_ptb_addr_hi32 =
466 SOC15_REG_OFFSET(GC, 0,
467 mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
468 hub->vm_inv_eng0_sem =
469 SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_SEM);
470 hub->vm_inv_eng0_req =
471 SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_REQ);
472 hub->vm_inv_eng0_ack =
473 SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ACK);
474 hub->vm_context0_cntl =
475 SOC15_REG_OFFSET(GC, 0, mmGCVM_CONTEXT0_CNTL);
476 hub->vm_l2_pro_fault_status =
477 SOC15_REG_OFFSET(GC, 0, mmGCVM_L2_PROTECTION_FAULT_STATUS);
478 hub->vm_l2_pro_fault_cntl =
479 SOC15_REG_OFFSET(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL);
480
481 hub->ctx_distance = mmGCVM_CONTEXT1_CNTL - mmGCVM_CONTEXT0_CNTL;
482 hub->ctx_addr_distance = mmGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
483 mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
484 hub->eng_distance = mmGCVM_INVALIDATE_ENG1_REQ -
485 mmGCVM_INVALIDATE_ENG0_REQ;
486 hub->eng_addr_distance = mmGCVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
487 mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
488
489 hub->vm_cntx_cntl_vm_fault = GCVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
490 GCVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
491 GCVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
492 GCVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
493 GCVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
494 GCVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
495 GCVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
496
497 hub->vmhub_funcs = &gfxhub_v2_1_vmhub_funcs;
498 }
499
gfxhub_v2_1_get_xgmi_info(struct amdgpu_device * adev)500 static int gfxhub_v2_1_get_xgmi_info(struct amdgpu_device *adev)
501 {
502 u32 xgmi_lfb_cntl = RREG32_SOC15(GC, 0, mmGCMC_VM_XGMI_LFB_CNTL);
503 u32 max_region =
504 REG_GET_FIELD(xgmi_lfb_cntl, GCMC_VM_XGMI_LFB_CNTL, PF_MAX_REGION);
505 u32 max_num_physical_nodes = 0;
506 u32 max_physical_node_id = 0;
507
508 switch (adev->ip_versions[XGMI_HWIP][0]) {
509 case IP_VERSION(4, 8, 0):
510 max_num_physical_nodes = 4;
511 max_physical_node_id = 3;
512 break;
513 default:
514 return -EINVAL;
515 }
516
517 /* PF_MAX_REGION=0 means xgmi is disabled */
518 if (max_region) {
519 adev->gmc.xgmi.num_physical_nodes = max_region + 1;
520 if (adev->gmc.xgmi.num_physical_nodes > max_num_physical_nodes)
521 return -EINVAL;
522
523 adev->gmc.xgmi.physical_node_id =
524 REG_GET_FIELD(xgmi_lfb_cntl, GCMC_VM_XGMI_LFB_CNTL, PF_LFB_REGION);
525 if (adev->gmc.xgmi.physical_node_id > max_physical_node_id)
526 return -EINVAL;
527
528 adev->gmc.xgmi.node_segment_size = REG_GET_FIELD(
529 RREG32_SOC15(GC, 0, mmGCMC_VM_XGMI_LFB_SIZE),
530 GCMC_VM_XGMI_LFB_SIZE, PF_LFB_SIZE) << 24;
531 }
532
533 return 0;
534 }
535
gfxhub_v2_1_utcl2_harvest(struct amdgpu_device * adev)536 static void gfxhub_v2_1_utcl2_harvest(struct amdgpu_device *adev)
537 {
538 int i;
539 u32 tmp = 0, disabled_sa = 0;
540 u32 efuse_setting, vbios_setting;
541
542 u32 max_sa_mask = amdgpu_gfx_create_bitmask(
543 adev->gfx.config.max_sh_per_se *
544 adev->gfx.config.max_shader_engines);
545
546 if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(10, 3, 3)) {
547 /* Get SA disabled bitmap from eFuse setting */
548 efuse_setting = RREG32_SOC15(GC, 0, mmCC_GC_SA_UNIT_DISABLE);
549 efuse_setting &= CC_GC_SA_UNIT_DISABLE__SA_DISABLE_MASK;
550 efuse_setting >>= CC_GC_SA_UNIT_DISABLE__SA_DISABLE__SHIFT;
551
552 /* Get SA disabled bitmap from VBIOS setting */
553 vbios_setting = RREG32_SOC15(GC, 0, mmGC_USER_SA_UNIT_DISABLE);
554 vbios_setting &= GC_USER_SA_UNIT_DISABLE__SA_DISABLE_MASK;
555 vbios_setting >>= GC_USER_SA_UNIT_DISABLE__SA_DISABLE__SHIFT;
556
557 disabled_sa |= efuse_setting | vbios_setting;
558 /* Make sure not to report harvested SAs beyond the max SA count */
559 disabled_sa &= max_sa_mask;
560
561 for (i = 0; disabled_sa > 0; i++) {
562 if (disabled_sa & 1)
563 tmp |= 0x3 << (i * 2);
564 disabled_sa >>= 1;
565 }
566 disabled_sa = tmp;
567
568 WREG32_SOC15(GC, 0, mmGCUTCL2_HARVEST_BYPASS_GROUPS_YELLOW_CARP, disabled_sa);
569 }
570 }
571
572 const struct amdgpu_gfxhub_funcs gfxhub_v2_1_funcs = {
573 .get_fb_location = gfxhub_v2_1_get_fb_location,
574 .get_mc_fb_offset = gfxhub_v2_1_get_mc_fb_offset,
575 .setup_vm_pt_regs = gfxhub_v2_1_setup_vm_pt_regs,
576 .gart_enable = gfxhub_v2_1_gart_enable,
577 .gart_disable = gfxhub_v2_1_gart_disable,
578 .set_fault_enable_default = gfxhub_v2_1_set_fault_enable_default,
579 .init = gfxhub_v2_1_init,
580 .get_xgmi_info = gfxhub_v2_1_get_xgmi_info,
581 .utcl2_harvest = gfxhub_v2_1_utcl2_harvest,
582 };
583