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 | |
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 |
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 | |
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 | |
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(bo: adev->gart.bo); |
146 | |
147 | mmhub_v3_0_2_setup_vm_pt_regs(adev, vmid: 0, page_table_base: 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 | |
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 = amdgpu_gmc_vram_mc2pa(adev, mc_addr: adev->mem_scratch.gpu_addr); |
185 | WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, |
186 | (u32)(value >> 12)); |
187 | WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, |
188 | (u32)(value >> 44)); |
189 | |
190 | /* Program "protection fault". */ |
191 | WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, |
192 | (u32)(adev->dummy_page_addr >> 12)); |
193 | WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, |
194 | (u32)((u64)adev->dummy_page_addr >> 44)); |
195 | |
196 | tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL2); |
197 | tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL2, |
198 | ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); |
199 | WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL2, tmp); |
200 | } |
201 | |
202 | static void mmhub_v3_0_2_init_tlb_regs(struct amdgpu_device *adev) |
203 | { |
204 | uint32_t tmp; |
205 | |
206 | /* Setup TLB control */ |
207 | tmp = RREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL); |
208 | |
209 | tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); |
210 | tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); |
211 | tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, |
212 | ENABLE_ADVANCED_DRIVER_MODEL, 1); |
213 | tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, |
214 | SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); |
215 | tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); |
216 | tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, |
217 | MTYPE, MTYPE_UC); /* UC, uncached */ |
218 | |
219 | WREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL, tmp); |
220 | } |
221 | |
222 | static void mmhub_v3_0_2_init_cache_regs(struct amdgpu_device *adev) |
223 | { |
224 | uint32_t tmp; |
225 | |
226 | /* These registers are not accessible to VF-SRIOV. |
227 | * The PF will program them instead. |
228 | */ |
229 | if (amdgpu_sriov_vf(adev)) |
230 | return; |
231 | |
232 | /* Setup L2 cache */ |
233 | tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL); |
234 | tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 1); |
235 | tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0); |
236 | tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, |
237 | ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); |
238 | /* XXX for emulation, Refer to closed source code.*/ |
239 | tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE, |
240 | 0); |
241 | tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0); |
242 | tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); |
243 | tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0); |
244 | WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL, tmp); |
245 | |
246 | tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL2); |
247 | tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); |
248 | tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); |
249 | WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL2, tmp); |
250 | |
251 | tmp = regMMVM_L2_CNTL3_DEFAULT; |
252 | if (adev->gmc.translate_further) { |
253 | tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 12); |
254 | tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, |
255 | L2_CACHE_BIGK_FRAGMENT_SIZE, 9); |
256 | } else { |
257 | tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 9); |
258 | tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, |
259 | L2_CACHE_BIGK_FRAGMENT_SIZE, 6); |
260 | } |
261 | WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL3, tmp); |
262 | |
263 | tmp = regMMVM_L2_CNTL4_DEFAULT; |
264 | tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0); |
265 | tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0); |
266 | WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL4, tmp); |
267 | |
268 | tmp = regMMVM_L2_CNTL5_DEFAULT; |
269 | tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0); |
270 | WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL5, tmp); |
271 | } |
272 | |
273 | static void mmhub_v3_0_2_enable_system_domain(struct amdgpu_device *adev) |
274 | { |
275 | uint32_t tmp; |
276 | |
277 | tmp = RREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_CNTL); |
278 | tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); |
279 | tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); |
280 | tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, |
281 | RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0); |
282 | WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_CNTL, tmp); |
283 | } |
284 | |
285 | static void mmhub_v3_0_2_disable_identity_aperture(struct amdgpu_device *adev) |
286 | { |
287 | /* These registers are not accessible to VF-SRIOV. |
288 | * The PF will program them instead. |
289 | */ |
290 | if (amdgpu_sriov_vf(adev)) |
291 | return; |
292 | |
293 | WREG32_SOC15(MMHUB, 0, |
294 | regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, |
295 | 0xFFFFFFFF); |
296 | WREG32_SOC15(MMHUB, 0, |
297 | regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, |
298 | 0x0000000F); |
299 | |
300 | WREG32_SOC15(MMHUB, 0, |
301 | regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0); |
302 | WREG32_SOC15(MMHUB, 0, |
303 | regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0); |
304 | |
305 | WREG32_SOC15(MMHUB, 0, regMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, |
306 | 0); |
307 | WREG32_SOC15(MMHUB, 0, regMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, |
308 | 0); |
309 | } |
310 | |
311 | static void mmhub_v3_0_2_setup_vmid_config(struct amdgpu_device *adev) |
312 | { |
313 | struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; |
314 | int i; |
315 | uint32_t tmp; |
316 | |
317 | for (i = 0; i <= 14; i++) { |
318 | tmp = RREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_CNTL, i * hub->ctx_distance); |
319 | tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); |
320 | tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, |
321 | adev->vm_manager.num_level); |
322 | tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, |
323 | RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
324 | tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, |
325 | DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, |
326 | 1); |
327 | tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, |
328 | PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
329 | tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, |
330 | VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
331 | tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, |
332 | READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
333 | tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, |
334 | WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
335 | tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, |
336 | EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
337 | tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, |
338 | PAGE_TABLE_BLOCK_SIZE, |
339 | adev->vm_manager.block_size - 9); |
340 | /* Send no-retry XNACK on fault to suppress VM fault storm. */ |
341 | tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, |
342 | RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, |
343 | !amdgpu_noretry); |
344 | WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_CNTL, |
345 | i * hub->ctx_distance, tmp); |
346 | WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, |
347 | i * hub->ctx_addr_distance, 0); |
348 | WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, |
349 | i * hub->ctx_addr_distance, 0); |
350 | WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, |
351 | i * hub->ctx_addr_distance, |
352 | lower_32_bits(adev->vm_manager.max_pfn - 1)); |
353 | WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, |
354 | i * hub->ctx_addr_distance, |
355 | upper_32_bits(adev->vm_manager.max_pfn - 1)); |
356 | } |
357 | |
358 | hub->vm_cntx_cntl = tmp; |
359 | } |
360 | |
361 | static void mmhub_v3_0_2_program_invalidation(struct amdgpu_device *adev) |
362 | { |
363 | struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; |
364 | unsigned i; |
365 | |
366 | for (i = 0; i < 18; ++i) { |
367 | WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32, |
368 | i * hub->eng_addr_distance, 0xffffffff); |
369 | WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ADDR_RANGE_HI32, |
370 | i * hub->eng_addr_distance, 0x1f); |
371 | } |
372 | } |
373 | |
374 | static int mmhub_v3_0_2_gart_enable(struct amdgpu_device *adev) |
375 | { |
376 | /* GART Enable. */ |
377 | mmhub_v3_0_2_init_gart_aperture_regs(adev); |
378 | mmhub_v3_0_2_init_system_aperture_regs(adev); |
379 | mmhub_v3_0_2_init_tlb_regs(adev); |
380 | mmhub_v3_0_2_init_cache_regs(adev); |
381 | |
382 | mmhub_v3_0_2_enable_system_domain(adev); |
383 | mmhub_v3_0_2_disable_identity_aperture(adev); |
384 | mmhub_v3_0_2_setup_vmid_config(adev); |
385 | mmhub_v3_0_2_program_invalidation(adev); |
386 | |
387 | return 0; |
388 | } |
389 | |
390 | static void mmhub_v3_0_2_gart_disable(struct amdgpu_device *adev) |
391 | { |
392 | struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; |
393 | u32 tmp; |
394 | u32 i; |
395 | |
396 | /* Disable all tables */ |
397 | for (i = 0; i < 16; i++) |
398 | WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_CNTL, |
399 | i * hub->ctx_distance, 0); |
400 | |
401 | /* Setup TLB control */ |
402 | tmp = RREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL); |
403 | tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); |
404 | tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, |
405 | ENABLE_ADVANCED_DRIVER_MODEL, 0); |
406 | WREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL, tmp); |
407 | |
408 | /* Setup L2 cache */ |
409 | tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL); |
410 | tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 0); |
411 | WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL, tmp); |
412 | WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL3, 0); |
413 | } |
414 | |
415 | /** |
416 | * mmhub_v3_0_2_set_fault_enable_default - update GART/VM fault handling |
417 | * |
418 | * @adev: amdgpu_device pointer |
419 | * @value: true redirects VM faults to the default page |
420 | */ |
421 | static void mmhub_v3_0_2_set_fault_enable_default(struct amdgpu_device *adev, bool value) |
422 | { |
423 | u32 tmp; |
424 | |
425 | /* These registers are not accessible to VF-SRIOV. |
426 | * The PF will program them instead. |
427 | */ |
428 | if (amdgpu_sriov_vf(adev)) |
429 | return; |
430 | |
431 | tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL); |
432 | tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
433 | RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
434 | tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
435 | PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
436 | tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
437 | PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
438 | tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
439 | PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
440 | tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
441 | TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT, |
442 | value); |
443 | tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
444 | NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
445 | tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
446 | DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
447 | tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
448 | VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
449 | tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
450 | READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
451 | tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
452 | WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
453 | tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
454 | EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
455 | if (!value) { |
456 | tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
457 | CRASH_ON_NO_RETRY_FAULT, 1); |
458 | tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
459 | CRASH_ON_RETRY_FAULT, 1); |
460 | } |
461 | WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL, tmp); |
462 | } |
463 | |
464 | static const struct amdgpu_vmhub_funcs mmhub_v3_0_2_vmhub_funcs = { |
465 | .print_l2_protection_fault_status = mmhub_v3_0_2_print_l2_protection_fault_status, |
466 | .get_invalidate_req = mmhub_v3_0_2_get_invalidate_req, |
467 | }; |
468 | |
469 | static void mmhub_v3_0_2_init(struct amdgpu_device *adev) |
470 | { |
471 | struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; |
472 | |
473 | hub->ctx0_ptb_addr_lo32 = |
474 | SOC15_REG_OFFSET(MMHUB, 0, |
475 | regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32); |
476 | hub->ctx0_ptb_addr_hi32 = |
477 | SOC15_REG_OFFSET(MMHUB, 0, |
478 | regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32); |
479 | hub->vm_inv_eng0_sem = |
480 | SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_SEM); |
481 | hub->vm_inv_eng0_req = |
482 | SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_REQ); |
483 | hub->vm_inv_eng0_ack = |
484 | SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ACK); |
485 | hub->vm_context0_cntl = |
486 | SOC15_REG_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_CNTL); |
487 | hub->vm_l2_pro_fault_status = |
488 | SOC15_REG_OFFSET(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_STATUS); |
489 | hub->vm_l2_pro_fault_cntl = |
490 | SOC15_REG_OFFSET(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL); |
491 | |
492 | hub->ctx_distance = regMMVM_CONTEXT1_CNTL - regMMVM_CONTEXT0_CNTL; |
493 | hub->ctx_addr_distance = regMMVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 - |
494 | regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32; |
495 | hub->eng_distance = regMMVM_INVALIDATE_ENG1_REQ - |
496 | regMMVM_INVALIDATE_ENG0_REQ; |
497 | hub->eng_addr_distance = regMMVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 - |
498 | regMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32; |
499 | |
500 | hub->vm_cntx_cntl_vm_fault = MMVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | |
501 | MMVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | |
502 | MMVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | |
503 | MMVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | |
504 | MMVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | |
505 | MMVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | |
506 | MMVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK; |
507 | |
508 | hub->vm_l2_bank_select_reserved_cid2 = |
509 | SOC15_REG_OFFSET(MMHUB, 0, regMMVM_L2_BANK_SELECT_RESERVED_CID2); |
510 | |
511 | hub->vmhub_funcs = &mmhub_v3_0_2_vmhub_funcs; |
512 | } |
513 | |
514 | static u64 mmhub_v3_0_2_get_fb_location(struct amdgpu_device *adev) |
515 | { |
516 | u64 base; |
517 | |
518 | base = RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_LOCATION_BASE); |
519 | base &= MMMC_VM_FB_LOCATION_BASE__FB_BASE_MASK; |
520 | base <<= 24; |
521 | |
522 | return base; |
523 | } |
524 | |
525 | static u64 mmhub_v3_0_2_get_mc_fb_offset(struct amdgpu_device *adev) |
526 | { |
527 | return (u64)RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_OFFSET) << 24; |
528 | } |
529 | |
530 | static void mmhub_v3_0_2_update_medium_grain_clock_gating(struct amdgpu_device *adev, |
531 | bool enable) |
532 | { |
533 | //TODO |
534 | } |
535 | |
536 | static void mmhub_v3_0_2_update_medium_grain_light_sleep(struct amdgpu_device *adev, |
537 | bool enable) |
538 | { |
539 | //TODO |
540 | } |
541 | |
542 | static int mmhub_v3_0_2_set_clockgating(struct amdgpu_device *adev, |
543 | enum amd_clockgating_state state) |
544 | { |
545 | if (amdgpu_sriov_vf(adev)) |
546 | return 0; |
547 | |
548 | mmhub_v3_0_2_update_medium_grain_clock_gating(adev, |
549 | enable: state == AMD_CG_STATE_GATE); |
550 | mmhub_v3_0_2_update_medium_grain_light_sleep(adev, |
551 | enable: state == AMD_CG_STATE_GATE); |
552 | return 0; |
553 | } |
554 | |
555 | static void mmhub_v3_0_2_get_clockgating(struct amdgpu_device *adev, u64 *flags) |
556 | { |
557 | //TODO |
558 | } |
559 | |
560 | const struct amdgpu_mmhub_funcs mmhub_v3_0_2_funcs = { |
561 | .init = mmhub_v3_0_2_init, |
562 | .get_fb_location = mmhub_v3_0_2_get_fb_location, |
563 | .get_mc_fb_offset = mmhub_v3_0_2_get_mc_fb_offset, |
564 | .gart_enable = mmhub_v3_0_2_gart_enable, |
565 | .set_fault_enable_default = mmhub_v3_0_2_set_fault_enable_default, |
566 | .gart_disable = mmhub_v3_0_2_gart_disable, |
567 | .set_clockgating = mmhub_v3_0_2_set_clockgating, |
568 | .get_clockgating = mmhub_v3_0_2_get_clockgating, |
569 | .setup_vm_pt_regs = mmhub_v3_0_2_setup_vm_pt_regs, |
570 | }; |
571 | |