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 "mmhub_v2_0.h"
26
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"
31
32 #include "gc/gc_10_1_0_offset.h"
33 #include "soc15_common.h"
34
35 #define mmMM_ATC_L2_MISC_CG_Sienna_Cichlid 0x064d
36 #define mmMM_ATC_L2_MISC_CG_Sienna_Cichlid_BASE_IDX 0
37 #define mmDAGB0_CNTL_MISC2_Sienna_Cichlid 0x0070
38 #define mmDAGB0_CNTL_MISC2_Sienna_Cichlid_BASE_IDX 0
39
40 static const char *mmhub_client_ids_navi1x[][2] = {
41 [3][0] = "DCEDMC",
42 [4][0] = "DCEVGA",
43 [5][0] = "MP0",
44 [6][0] = "MP1",
45 [13][0] = "VMC",
46 [14][0] = "HDP",
47 [15][0] = "OSS",
48 [16][0] = "VCNU",
49 [17][0] = "JPEG",
50 [18][0] = "VCN",
51 [3][1] = "DCEDMC",
52 [4][1] = "DCEXFC",
53 [5][1] = "DCEVGA",
54 [6][1] = "DCEDWB",
55 [7][1] = "MP0",
56 [8][1] = "MP1",
57 [9][1] = "DBGU1",
58 [10][1] = "DBGU0",
59 [11][1] = "XDP",
60 [14][1] = "HDP",
61 [15][1] = "OSS",
62 [16][1] = "VCNU",
63 [17][1] = "JPEG",
64 [18][1] = "VCN",
65 };
66
67 static const char *mmhub_client_ids_sienna_cichlid[][2] = {
68 [3][0] = "DCEDMC",
69 [4][0] = "DCEVGA",
70 [5][0] = "MP0",
71 [6][0] = "MP1",
72 [8][0] = "VMC",
73 [9][0] = "VCNU0",
74 [10][0] = "JPEG",
75 [12][0] = "VCNU1",
76 [13][0] = "VCN1",
77 [14][0] = "HDP",
78 [15][0] = "OSS",
79 [32+11][0] = "VCN0",
80 [0][1] = "DBGU0",
81 [1][1] = "DBGU1",
82 [2][1] = "DCEDWB",
83 [3][1] = "DCEDMC",
84 [4][1] = "DCEVGA",
85 [5][1] = "MP0",
86 [6][1] = "MP1",
87 [7][1] = "XDP",
88 [9][1] = "VCNU0",
89 [10][1] = "JPEG",
90 [11][1] = "VCN0",
91 [12][1] = "VCNU1",
92 [13][1] = "VCN1",
93 [14][1] = "HDP",
94 [15][1] = "OSS",
95 };
96
97 static const char *mmhub_client_ids_beige_goby[][2] = {
98 [3][0] = "DCEDMC",
99 [4][0] = "DCEVGA",
100 [5][0] = "MP0",
101 [6][0] = "MP1",
102 [8][0] = "VMC",
103 [9][0] = "VCNU0",
104 [11][0] = "VCN0",
105 [14][0] = "HDP",
106 [15][0] = "OSS",
107 [0][1] = "DBGU0",
108 [1][1] = "DBGU1",
109 [2][1] = "DCEDWB",
110 [3][1] = "DCEDMC",
111 [4][1] = "DCEVGA",
112 [5][1] = "MP0",
113 [6][1] = "MP1",
114 [7][1] = "XDP",
115 [9][1] = "VCNU0",
116 [11][1] = "VCN0",
117 [14][1] = "HDP",
118 [15][1] = "OSS",
119 };
120
mmhub_v2_0_get_invalidate_req(unsigned int vmid,uint32_t flush_type)121 static uint32_t mmhub_v2_0_get_invalidate_req(unsigned int vmid,
122 uint32_t flush_type)
123 {
124 u32 req = 0;
125
126 /* invalidate using legacy mode on vmid*/
127 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ,
128 PER_VMID_INVALIDATE_REQ, 1 << vmid);
129 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
130 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
131 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
132 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
133 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
134 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
135 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ,
136 CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0);
137
138 return req;
139 }
140
141 static void
mmhub_v2_0_print_l2_protection_fault_status(struct amdgpu_device * adev,uint32_t status)142 mmhub_v2_0_print_l2_protection_fault_status(struct amdgpu_device *adev,
143 uint32_t status)
144 {
145 uint32_t cid, rw;
146 const char *mmhub_cid = NULL;
147
148 cid = REG_GET_FIELD(status,
149 MMVM_L2_PROTECTION_FAULT_STATUS, CID);
150 rw = REG_GET_FIELD(status,
151 MMVM_L2_PROTECTION_FAULT_STATUS, RW);
152
153 dev_err(adev->dev,
154 "MMVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
155 status);
156 switch (adev->asic_type) {
157 case CHIP_NAVI10:
158 case CHIP_NAVI12:
159 case CHIP_NAVI14:
160 mmhub_cid = mmhub_client_ids_navi1x[cid][rw];
161 break;
162 case CHIP_SIENNA_CICHLID:
163 case CHIP_NAVY_FLOUNDER:
164 case CHIP_DIMGREY_CAVEFISH:
165 mmhub_cid = mmhub_client_ids_sienna_cichlid[cid][rw];
166 break;
167 case CHIP_BEIGE_GOBY:
168 mmhub_cid = mmhub_client_ids_beige_goby[cid][rw];
169 break;
170 default:
171 mmhub_cid = NULL;
172 break;
173 }
174 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
175 mmhub_cid ? mmhub_cid : "unknown", cid);
176 dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
177 REG_GET_FIELD(status,
178 MMVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
179 dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
180 REG_GET_FIELD(status,
181 MMVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
182 dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
183 REG_GET_FIELD(status,
184 MMVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
185 dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
186 REG_GET_FIELD(status,
187 MMVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));
188 dev_err(adev->dev, "\t RW: 0x%x\n", rw);
189 }
190
mmhub_v2_0_setup_vm_pt_regs(struct amdgpu_device * adev,uint32_t vmid,uint64_t page_table_base)191 static void mmhub_v2_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
192 uint64_t page_table_base)
193 {
194 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
195
196 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
197 hub->ctx_addr_distance * vmid,
198 lower_32_bits(page_table_base));
199
200 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
201 hub->ctx_addr_distance * vmid,
202 upper_32_bits(page_table_base));
203 }
204
mmhub_v2_0_init_gart_aperture_regs(struct amdgpu_device * adev)205 static void mmhub_v2_0_init_gart_aperture_regs(struct amdgpu_device *adev)
206 {
207 uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
208
209 mmhub_v2_0_setup_vm_pt_regs(adev, 0, pt_base);
210
211 WREG32_SOC15_RLC(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
212 (u32)(adev->gmc.gart_start >> 12));
213 WREG32_SOC15_RLC(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
214 (u32)(adev->gmc.gart_start >> 44));
215
216 WREG32_SOC15_RLC(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
217 (u32)(adev->gmc.gart_end >> 12));
218 WREG32_SOC15_RLC(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
219 (u32)(adev->gmc.gart_end >> 44));
220 }
221
mmhub_v2_0_init_system_aperture_regs(struct amdgpu_device * adev)222 static void mmhub_v2_0_init_system_aperture_regs(struct amdgpu_device *adev)
223 {
224 uint64_t value;
225 uint32_t tmp;
226
227 if (!amdgpu_sriov_vf(adev)) {
228 /* Program the AGP BAR */
229 WREG32_SOC15_RLC(MMHUB, 0, mmMMMC_VM_AGP_BASE, 0);
230 WREG32_SOC15_RLC(MMHUB, 0, mmMMMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
231 WREG32_SOC15_RLC(MMHUB, 0, mmMMMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
232
233 /* Program the system aperture low logical page number. */
234 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_LOW_ADDR,
235 min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
236 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
237 max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
238 }
239
240 /* Set default page address. */
241 value = amdgpu_gmc_vram_mc2pa(adev, adev->vram_scratch.gpu_addr);
242 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
243 (u32)(value >> 12));
244 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
245 (u32)(value >> 44));
246
247 /* Program "protection fault". */
248 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
249 (u32)(adev->dummy_page_addr >> 12));
250 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
251 (u32)((u64)adev->dummy_page_addr >> 44));
252
253 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL2);
254 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL2,
255 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
256 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL2, tmp);
257 }
258
mmhub_v2_0_init_tlb_regs(struct amdgpu_device * adev)259 static void mmhub_v2_0_init_tlb_regs(struct amdgpu_device *adev)
260 {
261 uint32_t tmp;
262
263 /* Setup TLB control */
264 tmp = RREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL);
265
266 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
267 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
268 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
269 ENABLE_ADVANCED_DRIVER_MODEL, 1);
270 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
271 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
272 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
273 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
274 MTYPE, MTYPE_UC); /* UC, uncached */
275
276 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL, tmp);
277 }
278
mmhub_v2_0_init_cache_regs(struct amdgpu_device * adev)279 static void mmhub_v2_0_init_cache_regs(struct amdgpu_device *adev)
280 {
281 uint32_t tmp;
282
283 /* These registers are not accessible to VF-SRIOV.
284 * The PF will program them instead.
285 */
286 if (amdgpu_sriov_vf(adev))
287 return;
288
289 /* Setup L2 cache */
290 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL);
291 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 1);
292 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0);
293 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL,
294 ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
295 /* XXX for emulation, Refer to closed source code.*/
296 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
297 0);
298 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
299 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
300 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
301 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL, tmp);
302
303 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL2);
304 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
305 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
306 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL2, tmp);
307
308 tmp = mmMMVM_L2_CNTL3_DEFAULT;
309 if (adev->gmc.translate_further) {
310 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 12);
311 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3,
312 L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
313 } else {
314 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 9);
315 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3,
316 L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
317 }
318 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL3, tmp);
319
320 tmp = mmMMVM_L2_CNTL4_DEFAULT;
321 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
322 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
323 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL4, tmp);
324
325 tmp = mmMMVM_L2_CNTL5_DEFAULT;
326 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
327 WREG32_SOC15(GC, 0, mmMMVM_L2_CNTL5, tmp);
328 }
329
mmhub_v2_0_enable_system_domain(struct amdgpu_device * adev)330 static void mmhub_v2_0_enable_system_domain(struct amdgpu_device *adev)
331 {
332 uint32_t tmp;
333
334 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_CNTL);
335 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
336 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
337 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL,
338 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
339 WREG32_SOC15_RLC(MMHUB, 0, mmMMVM_CONTEXT0_CNTL, tmp);
340 }
341
mmhub_v2_0_disable_identity_aperture(struct amdgpu_device * adev)342 static void mmhub_v2_0_disable_identity_aperture(struct amdgpu_device *adev)
343 {
344 /* These registers are not accessible to VF-SRIOV.
345 * The PF will program them instead.
346 */
347 if (amdgpu_sriov_vf(adev))
348 return;
349
350 WREG32_SOC15(MMHUB, 0,
351 mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
352 0xFFFFFFFF);
353 WREG32_SOC15(MMHUB, 0,
354 mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
355 0x0000000F);
356
357 WREG32_SOC15(MMHUB, 0,
358 mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0);
359 WREG32_SOC15(MMHUB, 0,
360 mmMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0);
361
362 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32,
363 0);
364 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32,
365 0);
366 }
367
mmhub_v2_0_setup_vmid_config(struct amdgpu_device * adev)368 static void mmhub_v2_0_setup_vmid_config(struct amdgpu_device *adev)
369 {
370 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
371 int i;
372 uint32_t tmp;
373
374 for (i = 0; i <= 14; i++) {
375 tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_CNTL, i);
376 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
377 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
378 adev->vm_manager.num_level);
379 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
380 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
381 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
382 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
383 1);
384 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
385 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
386 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
387 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
388 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
389 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
390 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
391 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
392 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
393 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
394 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
395 PAGE_TABLE_BLOCK_SIZE,
396 adev->vm_manager.block_size - 9);
397 /* Send no-retry XNACK on fault to suppress VM fault storm. */
398 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
399 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
400 !adev->gmc.noretry);
401 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_CONTEXT1_CNTL,
402 i * hub->ctx_distance, tmp);
403 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
404 i * hub->ctx_addr_distance, 0);
405 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
406 i * hub->ctx_addr_distance, 0);
407 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
408 i * hub->ctx_addr_distance,
409 lower_32_bits(adev->vm_manager.max_pfn - 1));
410 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
411 i * hub->ctx_addr_distance,
412 upper_32_bits(adev->vm_manager.max_pfn - 1));
413 }
414 }
415
mmhub_v2_0_program_invalidation(struct amdgpu_device * adev)416 static void mmhub_v2_0_program_invalidation(struct amdgpu_device *adev)
417 {
418 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
419 unsigned i;
420
421 for (i = 0; i < 18; ++i) {
422 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
423 i * hub->eng_addr_distance, 0xffffffff);
424 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
425 i * hub->eng_addr_distance, 0x1f);
426 }
427 }
428
mmhub_v2_0_gart_enable(struct amdgpu_device * adev)429 static int mmhub_v2_0_gart_enable(struct amdgpu_device *adev)
430 {
431 /* GART Enable. */
432 mmhub_v2_0_init_gart_aperture_regs(adev);
433 mmhub_v2_0_init_system_aperture_regs(adev);
434 mmhub_v2_0_init_tlb_regs(adev);
435 mmhub_v2_0_init_cache_regs(adev);
436
437 mmhub_v2_0_enable_system_domain(adev);
438 mmhub_v2_0_disable_identity_aperture(adev);
439 mmhub_v2_0_setup_vmid_config(adev);
440 mmhub_v2_0_program_invalidation(adev);
441
442 return 0;
443 }
444
mmhub_v2_0_gart_disable(struct amdgpu_device * adev)445 static void mmhub_v2_0_gart_disable(struct amdgpu_device *adev)
446 {
447 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
448 u32 tmp;
449 u32 i;
450
451 /* Disable all tables */
452 for (i = 0; i < AMDGPU_NUM_VMID; i++)
453 WREG32_SOC15_OFFSET_RLC(MMHUB, 0, mmMMVM_CONTEXT0_CNTL,
454 i * hub->ctx_distance, 0);
455
456 /* Setup TLB control */
457 tmp = RREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL);
458 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
459 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
460 ENABLE_ADVANCED_DRIVER_MODEL, 0);
461 WREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL, tmp);
462
463 /* Setup L2 cache */
464 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL);
465 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 0);
466 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL, tmp);
467 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL3, 0);
468 }
469
470 /**
471 * mmhub_v2_0_set_fault_enable_default - update GART/VM fault handling
472 *
473 * @adev: amdgpu_device pointer
474 * @value: true redirects VM faults to the default page
475 */
mmhub_v2_0_set_fault_enable_default(struct amdgpu_device * adev,bool value)476 static void mmhub_v2_0_set_fault_enable_default(struct amdgpu_device *adev, bool value)
477 {
478 u32 tmp;
479
480 /* These registers are not accessible to VF-SRIOV.
481 * The PF will program them instead.
482 */
483 if (amdgpu_sriov_vf(adev))
484 return;
485
486 tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL);
487 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
488 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
489 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
490 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
491 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
492 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
493 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
494 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
495 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
496 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
497 value);
498 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
499 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
500 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
501 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
502 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
503 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
504 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
505 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
506 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
507 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
508 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
509 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
510 if (!value) {
511 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
512 CRASH_ON_NO_RETRY_FAULT, 1);
513 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
514 CRASH_ON_RETRY_FAULT, 1);
515 }
516 WREG32_SOC15(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL, tmp);
517 }
518
519 static const struct amdgpu_vmhub_funcs mmhub_v2_0_vmhub_funcs = {
520 .print_l2_protection_fault_status = mmhub_v2_0_print_l2_protection_fault_status,
521 .get_invalidate_req = mmhub_v2_0_get_invalidate_req,
522 };
523
mmhub_v2_0_init(struct amdgpu_device * adev)524 static void mmhub_v2_0_init(struct amdgpu_device *adev)
525 {
526 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
527
528 hub->ctx0_ptb_addr_lo32 =
529 SOC15_REG_OFFSET(MMHUB, 0,
530 mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
531 hub->ctx0_ptb_addr_hi32 =
532 SOC15_REG_OFFSET(MMHUB, 0,
533 mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
534 hub->vm_inv_eng0_sem =
535 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_SEM);
536 hub->vm_inv_eng0_req =
537 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_REQ);
538 hub->vm_inv_eng0_ack =
539 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_ACK);
540 hub->vm_context0_cntl =
541 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_CNTL);
542 hub->vm_l2_pro_fault_status =
543 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_STATUS);
544 hub->vm_l2_pro_fault_cntl =
545 SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_L2_PROTECTION_FAULT_CNTL);
546
547 hub->ctx_distance = mmMMVM_CONTEXT1_CNTL - mmMMVM_CONTEXT0_CNTL;
548 hub->ctx_addr_distance = mmMMVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
549 mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
550 hub->eng_distance = mmMMVM_INVALIDATE_ENG1_REQ -
551 mmMMVM_INVALIDATE_ENG0_REQ;
552 hub->eng_addr_distance = mmMMVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
553 mmMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
554
555 hub->vm_cntx_cntl_vm_fault = MMVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
556 MMVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
557 MMVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
558 MMVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
559 MMVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
560 MMVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
561 MMVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
562
563 hub->vmhub_funcs = &mmhub_v2_0_vmhub_funcs;
564 }
565
mmhub_v2_0_update_medium_grain_clock_gating(struct amdgpu_device * adev,bool enable)566 static void mmhub_v2_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
567 bool enable)
568 {
569 uint32_t def, data, def1, data1;
570
571 if (!(adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG))
572 return;
573
574 switch (adev->asic_type) {
575 case CHIP_SIENNA_CICHLID:
576 case CHIP_NAVY_FLOUNDER:
577 case CHIP_DIMGREY_CAVEFISH:
578 case CHIP_BEIGE_GOBY:
579 def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid);
580 def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_Sienna_Cichlid);
581 break;
582 default:
583 def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG);
584 def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2);
585 break;
586 }
587
588 if (enable) {
589 data |= MM_ATC_L2_MISC_CG__ENABLE_MASK;
590
591 data1 &= ~(DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
592 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
593 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
594 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
595 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
596 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
597
598 } else {
599 data &= ~MM_ATC_L2_MISC_CG__ENABLE_MASK;
600
601 data1 |= (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
602 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
603 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
604 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
605 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
606 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
607 }
608
609 switch (adev->asic_type) {
610 case CHIP_SIENNA_CICHLID:
611 case CHIP_NAVY_FLOUNDER:
612 case CHIP_DIMGREY_CAVEFISH:
613 case CHIP_BEIGE_GOBY:
614 if (def != data)
615 WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid, data);
616 if (def1 != data1)
617 WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_Sienna_Cichlid, data1);
618 break;
619 default:
620 if (def != data)
621 WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG, data);
622 if (def1 != data1)
623 WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2, data1);
624 break;
625 }
626 }
627
mmhub_v2_0_update_medium_grain_light_sleep(struct amdgpu_device * adev,bool enable)628 static void mmhub_v2_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
629 bool enable)
630 {
631 uint32_t def, data;
632
633 if (!(adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
634 return;
635
636 switch (adev->asic_type) {
637 case CHIP_SIENNA_CICHLID:
638 case CHIP_NAVY_FLOUNDER:
639 case CHIP_DIMGREY_CAVEFISH:
640 case CHIP_BEIGE_GOBY:
641 def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid);
642 break;
643 default:
644 def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG);
645 break;
646 }
647
648 if (enable)
649 data |= MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
650 else
651 data &= ~MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
652
653 if (def != data) {
654 switch (adev->asic_type) {
655 case CHIP_SIENNA_CICHLID:
656 case CHIP_NAVY_FLOUNDER:
657 case CHIP_DIMGREY_CAVEFISH:
658 case CHIP_BEIGE_GOBY:
659 WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid, data);
660 break;
661 default:
662 WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG, data);
663 break;
664 }
665 }
666 }
667
mmhub_v2_0_set_clockgating(struct amdgpu_device * adev,enum amd_clockgating_state state)668 static int mmhub_v2_0_set_clockgating(struct amdgpu_device *adev,
669 enum amd_clockgating_state state)
670 {
671 if (amdgpu_sriov_vf(adev))
672 return 0;
673
674 switch (adev->asic_type) {
675 case CHIP_NAVI10:
676 case CHIP_NAVI14:
677 case CHIP_NAVI12:
678 case CHIP_SIENNA_CICHLID:
679 case CHIP_NAVY_FLOUNDER:
680 case CHIP_DIMGREY_CAVEFISH:
681 case CHIP_BEIGE_GOBY:
682 mmhub_v2_0_update_medium_grain_clock_gating(adev,
683 state == AMD_CG_STATE_GATE);
684 mmhub_v2_0_update_medium_grain_light_sleep(adev,
685 state == AMD_CG_STATE_GATE);
686 break;
687 default:
688 break;
689 }
690
691 return 0;
692 }
693
mmhub_v2_0_get_clockgating(struct amdgpu_device * adev,u32 * flags)694 static void mmhub_v2_0_get_clockgating(struct amdgpu_device *adev, u32 *flags)
695 {
696 int data, data1;
697
698 if (amdgpu_sriov_vf(adev))
699 *flags = 0;
700
701 switch (adev->asic_type) {
702 case CHIP_SIENNA_CICHLID:
703 case CHIP_NAVY_FLOUNDER:
704 case CHIP_DIMGREY_CAVEFISH:
705 case CHIP_BEIGE_GOBY:
706 data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG_Sienna_Cichlid);
707 data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_Sienna_Cichlid);
708 break;
709 default:
710 data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG);
711 data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2);
712 break;
713 }
714
715 /* AMD_CG_SUPPORT_MC_MGCG */
716 if ((data & MM_ATC_L2_MISC_CG__ENABLE_MASK) &&
717 !(data1 & (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
718 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
719 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
720 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
721 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
722 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK)))
723 *flags |= AMD_CG_SUPPORT_MC_MGCG;
724
725 /* AMD_CG_SUPPORT_MC_LS */
726 if (data & MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK)
727 *flags |= AMD_CG_SUPPORT_MC_LS;
728 }
729
730 const struct amdgpu_mmhub_funcs mmhub_v2_0_funcs = {
731 .init = mmhub_v2_0_init,
732 .gart_enable = mmhub_v2_0_gart_enable,
733 .set_fault_enable_default = mmhub_v2_0_set_fault_enable_default,
734 .gart_disable = mmhub_v2_0_gart_disable,
735 .set_clockgating = mmhub_v2_0_set_clockgating,
736 .get_clockgating = mmhub_v2_0_get_clockgating,
737 .setup_vm_pt_regs = mmhub_v2_0_setup_vm_pt_regs,
738 };
739
