1 /*
2 * Copyright 2022 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_v3_0_2.h"
26
27 #include "mmhub/mmhub_3_0_2_offset.h"
28 #include "mmhub/mmhub_3_0_2_sh_mask.h"
29 #include "navi10_enum.h"
30
31 #include "soc15_common.h"
32
33 #define regMMVM_L2_CNTL3_DEFAULT 0x80100007
34 #define regMMVM_L2_CNTL4_DEFAULT 0x000000c1
35 #define regMMVM_L2_CNTL5_DEFAULT 0x00003fe0
36
37 static const char *mmhub_client_ids_v3_0_2[][2] = {
38 [0][0] = "VMC",
39 [4][0] = "DCEDMC",
40 [5][0] = "DCEVGA",
41 [6][0] = "MP0",
42 [7][0] = "MP1",
43 [8][0] = "MPIO",
44 [16][0] = "HDP",
45 [17][0] = "LSDMA",
46 [18][0] = "JPEG",
47 [19][0] = "VCNU0",
48 [21][0] = "VSCH",
49 [22][0] = "VCNU1",
50 [23][0] = "VCN1",
51 [32+20][0] = "VCN0",
52 [2][1] = "DBGUNBIO",
53 [3][1] = "DCEDWB",
54 [4][1] = "DCEDMC",
55 [5][1] = "DCEVGA",
56 [6][1] = "MP0",
57 [7][1] = "MP1",
58 [8][1] = "MPIO",
59 [10][1] = "DBGU0",
60 [11][1] = "DBGU1",
61 [12][1] = "DBGU2",
62 [13][1] = "DBGU3",
63 [14][1] = "XDP",
64 [15][1] = "OSSSYS",
65 [16][1] = "HDP",
66 [17][1] = "LSDMA",
67 [18][1] = "JPEG",
68 [19][1] = "VCNU0",
69 [20][1] = "VCN0",
70 [21][1] = "VSCH",
71 [22][1] = "VCNU1",
72 [23][1] = "VCN1",
73 };
74
mmhub_v3_0_2_get_invalidate_req(unsigned int vmid,uint32_t flush_type)75 static uint32_t mmhub_v3_0_2_get_invalidate_req(unsigned int vmid,
76 uint32_t flush_type)
77 {
78 u32 req = 0;
79
80 /* invalidate using legacy mode on vmid*/
81 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ,
82 PER_VMID_INVALIDATE_REQ, 1 << vmid);
83 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
84 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
85 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
86 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
87 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
88 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
89 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ,
90 CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0);
91
92 return req;
93 }
94
95 static void
mmhub_v3_0_2_print_l2_protection_fault_status(struct amdgpu_device * adev,uint32_t status)96 mmhub_v3_0_2_print_l2_protection_fault_status(struct amdgpu_device *adev,
97 uint32_t status)
98 {
99 uint32_t cid, rw;
100 const char *mmhub_cid = NULL;
101
102 cid = REG_GET_FIELD(status,
103 MMVM_L2_PROTECTION_FAULT_STATUS, CID);
104 rw = REG_GET_FIELD(status,
105 MMVM_L2_PROTECTION_FAULT_STATUS, RW);
106
107 dev_err(adev->dev,
108 "MMVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
109 status);
110
111 mmhub_cid = mmhub_client_ids_v3_0_2[cid][rw];
112 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
113 mmhub_cid ? mmhub_cid : "unknown", cid);
114 dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
115 REG_GET_FIELD(status,
116 MMVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
117 dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
118 REG_GET_FIELD(status,
119 MMVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
120 dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
121 REG_GET_FIELD(status,
122 MMVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
123 dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
124 REG_GET_FIELD(status,
125 MMVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));
126 dev_err(adev->dev, "\t RW: 0x%x\n", rw);
127 }
128
mmhub_v3_0_2_setup_vm_pt_regs(struct amdgpu_device * adev,uint32_t vmid,uint64_t page_table_base)129 static void mmhub_v3_0_2_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
130 uint64_t page_table_base)
131 {
132 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
133
134 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
135 hub->ctx_addr_distance * vmid,
136 lower_32_bits(page_table_base));
137
138 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
139 hub->ctx_addr_distance * vmid,
140 upper_32_bits(page_table_base));
141 }
142
mmhub_v3_0_2_init_gart_aperture_regs(struct amdgpu_device * adev)143 static void mmhub_v3_0_2_init_gart_aperture_regs(struct amdgpu_device *adev)
144 {
145 uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
146
147 mmhub_v3_0_2_setup_vm_pt_regs(adev, 0, pt_base);
148
149 WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
150 (u32)(adev->gmc.gart_start >> 12));
151 WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
152 (u32)(adev->gmc.gart_start >> 44));
153
154 WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
155 (u32)(adev->gmc.gart_end >> 12));
156 WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
157 (u32)(adev->gmc.gart_end >> 44));
158 }
159
mmhub_v3_0_2_init_system_aperture_regs(struct amdgpu_device * adev)160 static void mmhub_v3_0_2_init_system_aperture_regs(struct amdgpu_device *adev)
161 {
162 uint64_t value;
163 uint32_t tmp;
164
165 /* Program the AGP BAR */
166 WREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_BASE, 0);
167 WREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
168 WREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
169
170 if (!amdgpu_sriov_vf(adev)) {
171 /*
172 * the new L1 policy will block SRIOV guest from writing
173 * these regs, and they will be programed at host.
174 * so skip programing these regs.
175 */
176 /* Program the system aperture low logical page number. */
177 WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_LOW_ADDR,
178 min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
179 WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
180 max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
181 }
182
183 /* Set default page address. */
184 value = adev->mem_scratch.gpu_addr - adev->gmc.vram_start +
185 adev->vm_manager.vram_base_offset;
186 WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
187 (u32)(value >> 12));
188 WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
189 (u32)(value >> 44));
190
191 /* Program "protection fault". */
192 WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
193 (u32)(adev->dummy_page_addr >> 12));
194 WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
195 (u32)((u64)adev->dummy_page_addr >> 44));
196
197 tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL2);
198 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL2,
199 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
200 WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL2, tmp);
201 }
202
mmhub_v3_0_2_init_tlb_regs(struct amdgpu_device * adev)203 static void mmhub_v3_0_2_init_tlb_regs(struct amdgpu_device *adev)
204 {
205 uint32_t tmp;
206
207 /* Setup TLB control */
208 tmp = RREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL);
209
210 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
211 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
212 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
213 ENABLE_ADVANCED_DRIVER_MODEL, 1);
214 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
215 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
216 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
217 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
218 MTYPE, MTYPE_UC); /* UC, uncached */
219
220 WREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL, tmp);
221 }
222
mmhub_v3_0_2_init_cache_regs(struct amdgpu_device * adev)223 static void mmhub_v3_0_2_init_cache_regs(struct amdgpu_device *adev)
224 {
225 uint32_t tmp;
226
227 /* These registers are not accessible to VF-SRIOV.
228 * The PF will program them instead.
229 */
230 if (amdgpu_sriov_vf(adev))
231 return;
232
233 /* Setup L2 cache */
234 tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL);
235 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 1);
236 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0);
237 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL,
238 ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
239 /* XXX for emulation, Refer to closed source code.*/
240 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
241 0);
242 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
243 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
244 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
245 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL, tmp);
246
247 tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL2);
248 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
249 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
250 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL2, tmp);
251
252 tmp = regMMVM_L2_CNTL3_DEFAULT;
253 if (adev->gmc.translate_further) {
254 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 12);
255 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3,
256 L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
257 } else {
258 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 9);
259 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3,
260 L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
261 }
262 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL3, tmp);
263
264 tmp = regMMVM_L2_CNTL4_DEFAULT;
265 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
266 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
267 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL4, tmp);
268
269 tmp = regMMVM_L2_CNTL5_DEFAULT;
270 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
271 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL5, tmp);
272 }
273
mmhub_v3_0_2_enable_system_domain(struct amdgpu_device * adev)274 static void mmhub_v3_0_2_enable_system_domain(struct amdgpu_device *adev)
275 {
276 uint32_t tmp;
277
278 tmp = RREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_CNTL);
279 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
280 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
281 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL,
282 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
283 WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_CNTL, tmp);
284 }
285
mmhub_v3_0_2_disable_identity_aperture(struct amdgpu_device * adev)286 static void mmhub_v3_0_2_disable_identity_aperture(struct amdgpu_device *adev)
287 {
288 /* These registers are not accessible to VF-SRIOV.
289 * The PF will program them instead.
290 */
291 if (amdgpu_sriov_vf(adev))
292 return;
293
294 WREG32_SOC15(MMHUB, 0,
295 regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
296 0xFFFFFFFF);
297 WREG32_SOC15(MMHUB, 0,
298 regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
299 0x0000000F);
300
301 WREG32_SOC15(MMHUB, 0,
302 regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0);
303 WREG32_SOC15(MMHUB, 0,
304 regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0);
305
306 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32,
307 0);
308 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32,
309 0);
310 }
311
mmhub_v3_0_2_setup_vmid_config(struct amdgpu_device * adev)312 static void mmhub_v3_0_2_setup_vmid_config(struct amdgpu_device *adev)
313 {
314 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
315 int i;
316 uint32_t tmp;
317
318 for (i = 0; i <= 14; i++) {
319 tmp = RREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_CNTL, i);
320 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
321 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
322 adev->vm_manager.num_level);
323 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
324 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
325 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
326 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
327 1);
328 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
329 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
330 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
331 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
332 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
333 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
334 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
335 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
336 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
337 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
338 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
339 PAGE_TABLE_BLOCK_SIZE,
340 adev->vm_manager.block_size - 9);
341 /* Send no-retry XNACK on fault to suppress VM fault storm. */
342 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
343 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
344 !amdgpu_noretry);
345 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_CNTL,
346 i * hub->ctx_distance, tmp);
347 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
348 i * hub->ctx_addr_distance, 0);
349 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
350 i * hub->ctx_addr_distance, 0);
351 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
352 i * hub->ctx_addr_distance,
353 lower_32_bits(adev->vm_manager.max_pfn - 1));
354 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
355 i * hub->ctx_addr_distance,
356 upper_32_bits(adev->vm_manager.max_pfn - 1));
357 }
358
359 hub->vm_cntx_cntl = tmp;
360 }
361
mmhub_v3_0_2_program_invalidation(struct amdgpu_device * adev)362 static void mmhub_v3_0_2_program_invalidation(struct amdgpu_device *adev)
363 {
364 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
365 unsigned i;
366
367 for (i = 0; i < 18; ++i) {
368 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
369 i * hub->eng_addr_distance, 0xffffffff);
370 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
371 i * hub->eng_addr_distance, 0x1f);
372 }
373 }
374
mmhub_v3_0_2_gart_enable(struct amdgpu_device * adev)375 static int mmhub_v3_0_2_gart_enable(struct amdgpu_device *adev)
376 {
377 /* GART Enable. */
378 mmhub_v3_0_2_init_gart_aperture_regs(adev);
379 mmhub_v3_0_2_init_system_aperture_regs(adev);
380 mmhub_v3_0_2_init_tlb_regs(adev);
381 mmhub_v3_0_2_init_cache_regs(adev);
382
383 mmhub_v3_0_2_enable_system_domain(adev);
384 mmhub_v3_0_2_disable_identity_aperture(adev);
385 mmhub_v3_0_2_setup_vmid_config(adev);
386 mmhub_v3_0_2_program_invalidation(adev);
387
388 return 0;
389 }
390
mmhub_v3_0_2_gart_disable(struct amdgpu_device * adev)391 static void mmhub_v3_0_2_gart_disable(struct amdgpu_device *adev)
392 {
393 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
394 u32 tmp;
395 u32 i;
396
397 /* Disable all tables */
398 for (i = 0; i < 16; i++)
399 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_CNTL,
400 i * hub->ctx_distance, 0);
401
402 /* Setup TLB control */
403 tmp = RREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL);
404 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
405 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
406 ENABLE_ADVANCED_DRIVER_MODEL, 0);
407 WREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL, tmp);
408
409 /* Setup L2 cache */
410 tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL);
411 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 0);
412 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL, tmp);
413 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL3, 0);
414 }
415
416 /**
417 * mmhub_v3_0_2_set_fault_enable_default - update GART/VM fault handling
418 *
419 * @adev: amdgpu_device pointer
420 * @value: true redirects VM faults to the default page
421 */
mmhub_v3_0_2_set_fault_enable_default(struct amdgpu_device * adev,bool value)422 static void mmhub_v3_0_2_set_fault_enable_default(struct amdgpu_device *adev, bool value)
423 {
424 u32 tmp;
425
426 /* These registers are not accessible to VF-SRIOV.
427 * The PF will program them instead.
428 */
429 if (amdgpu_sriov_vf(adev))
430 return;
431
432 tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL);
433 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
434 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
435 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
436 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
437 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
438 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
439 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
440 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
441 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
442 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
443 value);
444 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
445 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
446 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
447 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
448 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
449 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
450 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
451 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
452 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
453 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
454 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
455 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
456 if (!value) {
457 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
458 CRASH_ON_NO_RETRY_FAULT, 1);
459 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
460 CRASH_ON_RETRY_FAULT, 1);
461 }
462 WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL, tmp);
463 }
464
465 static const struct amdgpu_vmhub_funcs mmhub_v3_0_2_vmhub_funcs = {
466 .print_l2_protection_fault_status = mmhub_v3_0_2_print_l2_protection_fault_status,
467 .get_invalidate_req = mmhub_v3_0_2_get_invalidate_req,
468 };
469
mmhub_v3_0_2_init(struct amdgpu_device * adev)470 static void mmhub_v3_0_2_init(struct amdgpu_device *adev)
471 {
472 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
473
474 hub->ctx0_ptb_addr_lo32 =
475 SOC15_REG_OFFSET(MMHUB, 0,
476 regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
477 hub->ctx0_ptb_addr_hi32 =
478 SOC15_REG_OFFSET(MMHUB, 0,
479 regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
480 hub->vm_inv_eng0_sem =
481 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_SEM);
482 hub->vm_inv_eng0_req =
483 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_REQ);
484 hub->vm_inv_eng0_ack =
485 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ACK);
486 hub->vm_context0_cntl =
487 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_CNTL);
488 hub->vm_l2_pro_fault_status =
489 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_STATUS);
490 hub->vm_l2_pro_fault_cntl =
491 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL);
492
493 hub->ctx_distance = regMMVM_CONTEXT1_CNTL - regMMVM_CONTEXT0_CNTL;
494 hub->ctx_addr_distance = regMMVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
495 regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
496 hub->eng_distance = regMMVM_INVALIDATE_ENG1_REQ -
497 regMMVM_INVALIDATE_ENG0_REQ;
498 hub->eng_addr_distance = regMMVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
499 regMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
500
501 hub->vm_cntx_cntl_vm_fault = MMVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
502 MMVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
503 MMVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
504 MMVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
505 MMVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
506 MMVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
507 MMVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
508
509 hub->vm_l2_bank_select_reserved_cid2 =
510 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_L2_BANK_SELECT_RESERVED_CID2);
511
512 hub->vmhub_funcs = &mmhub_v3_0_2_vmhub_funcs;
513 }
514
mmhub_v3_0_2_get_fb_location(struct amdgpu_device * adev)515 static u64 mmhub_v3_0_2_get_fb_location(struct amdgpu_device *adev)
516 {
517 u64 base;
518
519 base = RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_LOCATION_BASE);
520 base &= MMMC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
521 base <<= 24;
522
523 return base;
524 }
525
mmhub_v3_0_2_get_mc_fb_offset(struct amdgpu_device * adev)526 static u64 mmhub_v3_0_2_get_mc_fb_offset(struct amdgpu_device *adev)
527 {
528 return (u64)RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_OFFSET) << 24;
529 }
530
mmhub_v3_0_2_update_medium_grain_clock_gating(struct amdgpu_device * adev,bool enable)531 static void mmhub_v3_0_2_update_medium_grain_clock_gating(struct amdgpu_device *adev,
532 bool enable)
533 {
534 //TODO
535 }
536
mmhub_v3_0_2_update_medium_grain_light_sleep(struct amdgpu_device * adev,bool enable)537 static void mmhub_v3_0_2_update_medium_grain_light_sleep(struct amdgpu_device *adev,
538 bool enable)
539 {
540 //TODO
541 }
542
mmhub_v3_0_2_set_clockgating(struct amdgpu_device * adev,enum amd_clockgating_state state)543 static int mmhub_v3_0_2_set_clockgating(struct amdgpu_device *adev,
544 enum amd_clockgating_state state)
545 {
546 if (amdgpu_sriov_vf(adev))
547 return 0;
548
549 mmhub_v3_0_2_update_medium_grain_clock_gating(adev,
550 state == AMD_CG_STATE_GATE);
551 mmhub_v3_0_2_update_medium_grain_light_sleep(adev,
552 state == AMD_CG_STATE_GATE);
553 return 0;
554 }
555
mmhub_v3_0_2_get_clockgating(struct amdgpu_device * adev,u64 * flags)556 static void mmhub_v3_0_2_get_clockgating(struct amdgpu_device *adev, u64 *flags)
557 {
558 //TODO
559 }
560
561 const struct amdgpu_mmhub_funcs mmhub_v3_0_2_funcs = {
562 .init = mmhub_v3_0_2_init,
563 .get_fb_location = mmhub_v3_0_2_get_fb_location,
564 .get_mc_fb_offset = mmhub_v3_0_2_get_mc_fb_offset,
565 .gart_enable = mmhub_v3_0_2_gart_enable,
566 .set_fault_enable_default = mmhub_v3_0_2_set_fault_enable_default,
567 .gart_disable = mmhub_v3_0_2_gart_disable,
568 .set_clockgating = mmhub_v3_0_2_set_clockgating,
569 .get_clockgating = mmhub_v3_0_2_get_clockgating,
570 .setup_vm_pt_regs = mmhub_v3_0_2_setup_vm_pt_regs,
571 };
572