1 /*
2 * Copyright 2018 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23 #include "amdgpu.h"
24 #include "mmhub_v9_4.h"
25
26 #include "mmhub/mmhub_9_4_1_offset.h"
27 #include "mmhub/mmhub_9_4_1_sh_mask.h"
28 #include "mmhub/mmhub_9_4_1_default.h"
29 #include "athub/athub_1_0_offset.h"
30 #include "athub/athub_1_0_sh_mask.h"
31 #include "vega10_enum.h"
32
33 #include "soc15_common.h"
34
35 #define MMHUB_NUM_INSTANCES 2
36 #define MMHUB_INSTANCE_REGISTER_OFFSET 0x3000
37
mmhub_v9_4_get_fb_location(struct amdgpu_device * adev)38 u64 mmhub_v9_4_get_fb_location(struct amdgpu_device *adev)
39 {
40 /* The base should be same b/t 2 mmhubs on Acrturus. Read one here. */
41 u64 base = RREG32_SOC15(MMHUB, 0, mmVMSHAREDVC0_MC_VM_FB_LOCATION_BASE);
42 u64 top = RREG32_SOC15(MMHUB, 0, mmVMSHAREDVC0_MC_VM_FB_LOCATION_TOP);
43
44 base &= VMSHAREDVC0_MC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
45 base <<= 24;
46
47 top &= VMSHAREDVC0_MC_VM_FB_LOCATION_TOP__FB_TOP_MASK;
48 top <<= 24;
49
50 adev->gmc.fb_start = base;
51 adev->gmc.fb_end = top;
52
53 return base;
54 }
55
mmhub_v9_4_setup_vm_pt_regs(struct amdgpu_device * adev,int hubid,uint32_t vmid,uint64_t value)56 void mmhub_v9_4_setup_vm_pt_regs(struct amdgpu_device *adev, int hubid,
57 uint32_t vmid, uint64_t value)
58 {
59 /* two registers distance between mmVML2VC0_VM_CONTEXT0_* to
60 * mmVML2VC0_VM_CONTEXT1_*
61 */
62 int dist = mmVML2VC0_VM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32
63 - mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
64
65 WREG32_SOC15_OFFSET(MMHUB, 0,
66 mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
67 dist * vmid + hubid * MMHUB_INSTANCE_REGISTER_OFFSET,
68 lower_32_bits(value));
69
70 WREG32_SOC15_OFFSET(MMHUB, 0,
71 mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
72 dist * vmid + hubid * MMHUB_INSTANCE_REGISTER_OFFSET,
73 upper_32_bits(value));
74
75 }
76
mmhub_v9_4_init_gart_aperture_regs(struct amdgpu_device * adev,int hubid)77 static void mmhub_v9_4_init_gart_aperture_regs(struct amdgpu_device *adev,
78 int hubid)
79 {
80 uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
81
82 mmhub_v9_4_setup_vm_pt_regs(adev, hubid, 0, pt_base);
83
84 WREG32_SOC15_OFFSET(MMHUB, 0,
85 mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
86 hubid * MMHUB_INSTANCE_REGISTER_OFFSET,
87 (u32)(adev->gmc.gart_start >> 12));
88 WREG32_SOC15_OFFSET(MMHUB, 0,
89 mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
90 hubid * MMHUB_INSTANCE_REGISTER_OFFSET,
91 (u32)(adev->gmc.gart_start >> 44));
92
93 WREG32_SOC15_OFFSET(MMHUB, 0,
94 mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
95 hubid * MMHUB_INSTANCE_REGISTER_OFFSET,
96 (u32)(adev->gmc.gart_end >> 12));
97 WREG32_SOC15_OFFSET(MMHUB, 0,
98 mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
99 hubid * MMHUB_INSTANCE_REGISTER_OFFSET,
100 (u32)(adev->gmc.gart_end >> 44));
101 }
102
mmhub_v9_4_init_system_aperture_regs(struct amdgpu_device * adev,int hubid)103 static void mmhub_v9_4_init_system_aperture_regs(struct amdgpu_device *adev,
104 int hubid)
105 {
106 uint64_t value;
107 uint32_t tmp;
108
109 /* Program the AGP BAR */
110 WREG32_SOC15_OFFSET(MMHUB, 0, mmVMSHAREDVC0_MC_VM_AGP_BASE,
111 hubid * MMHUB_INSTANCE_REGISTER_OFFSET,
112 0);
113 WREG32_SOC15_OFFSET(MMHUB, 0, mmVMSHAREDVC0_MC_VM_AGP_TOP,
114 hubid * MMHUB_INSTANCE_REGISTER_OFFSET,
115 adev->gmc.agp_end >> 24);
116 WREG32_SOC15_OFFSET(MMHUB, 0, mmVMSHAREDVC0_MC_VM_AGP_BOT,
117 hubid * MMHUB_INSTANCE_REGISTER_OFFSET,
118 adev->gmc.agp_start >> 24);
119
120 /* Program the system aperture low logical page number. */
121 WREG32_SOC15_OFFSET(MMHUB, 0,
122 mmVMSHAREDVC0_MC_VM_SYSTEM_APERTURE_LOW_ADDR,
123 hubid * MMHUB_INSTANCE_REGISTER_OFFSET,
124 min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
125 WREG32_SOC15_OFFSET(MMHUB, 0,
126 mmVMSHAREDVC0_MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
127 hubid * MMHUB_INSTANCE_REGISTER_OFFSET,
128 max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
129
130 /* Set default page address. */
131 value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start +
132 adev->vm_manager.vram_base_offset;
133 WREG32_SOC15_OFFSET(MMHUB, 0,
134 mmVMSHAREDPF0_MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
135 hubid * MMHUB_INSTANCE_REGISTER_OFFSET,
136 (u32)(value >> 12));
137 WREG32_SOC15_OFFSET(MMHUB, 0,
138 mmVMSHAREDPF0_MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
139 hubid * MMHUB_INSTANCE_REGISTER_OFFSET,
140 (u32)(value >> 44));
141
142 /* Program "protection fault". */
143 WREG32_SOC15_OFFSET(MMHUB, 0,
144 mmVML2PF0_VM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
145 hubid * MMHUB_INSTANCE_REGISTER_OFFSET,
146 (u32)(adev->dummy_page_addr >> 12));
147 WREG32_SOC15_OFFSET(MMHUB, 0,
148 mmVML2PF0_VM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
149 hubid * MMHUB_INSTANCE_REGISTER_OFFSET,
150 (u32)((u64)adev->dummy_page_addr >> 44));
151
152 tmp = RREG32_SOC15_OFFSET(MMHUB, 0,
153 mmVML2PF0_VM_L2_PROTECTION_FAULT_CNTL2,
154 hubid * MMHUB_INSTANCE_REGISTER_OFFSET);
155 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL2,
156 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
157 WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_PROTECTION_FAULT_CNTL2,
158 hubid * MMHUB_INSTANCE_REGISTER_OFFSET, tmp);
159 }
160
mmhub_v9_4_init_tlb_regs(struct amdgpu_device * adev,int hubid)161 static void mmhub_v9_4_init_tlb_regs(struct amdgpu_device *adev, int hubid)
162 {
163 uint32_t tmp;
164
165 /* Setup TLB control */
166 tmp = RREG32_SOC15_OFFSET(MMHUB, 0,
167 mmVMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL,
168 hubid * MMHUB_INSTANCE_REGISTER_OFFSET);
169
170 tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL,
171 ENABLE_L1_TLB, 1);
172 tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL,
173 SYSTEM_ACCESS_MODE, 3);
174 tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL,
175 ENABLE_ADVANCED_DRIVER_MODEL, 1);
176 tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL,
177 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
178 tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL,
179 ECO_BITS, 0);
180 tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL,
181 MTYPE, MTYPE_UC);/* XXX for emulation. */
182 tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL,
183 ATC_EN, 1);
184
185 WREG32_SOC15_OFFSET(MMHUB, 0, mmVMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL,
186 hubid * MMHUB_INSTANCE_REGISTER_OFFSET, tmp);
187 }
188
mmhub_v9_4_init_cache_regs(struct amdgpu_device * adev,int hubid)189 static void mmhub_v9_4_init_cache_regs(struct amdgpu_device *adev, int hubid)
190 {
191 uint32_t tmp;
192
193 /* Setup L2 cache */
194 tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL,
195 hubid * MMHUB_INSTANCE_REGISTER_OFFSET);
196 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL,
197 ENABLE_L2_CACHE, 1);
198 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL,
199 ENABLE_L2_FRAGMENT_PROCESSING, 1);
200 /* XXX for emulation, Refer to closed source code.*/
201 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL,
202 L2_PDE0_CACHE_TAG_GENERATION_MODE, 0);
203 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL,
204 PDE_FAULT_CLASSIFICATION, 0);
205 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL,
206 CONTEXT1_IDENTITY_ACCESS_MODE, 1);
207 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL,
208 IDENTITY_MODE_FRAGMENT_SIZE, 0);
209 WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL,
210 hubid * MMHUB_INSTANCE_REGISTER_OFFSET, tmp);
211
212 tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL2,
213 hubid * MMHUB_INSTANCE_REGISTER_OFFSET);
214 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL2,
215 INVALIDATE_ALL_L1_TLBS, 1);
216 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL2,
217 INVALIDATE_L2_CACHE, 1);
218 WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL2,
219 hubid * MMHUB_INSTANCE_REGISTER_OFFSET, tmp);
220
221 tmp = mmVML2PF0_VM_L2_CNTL3_DEFAULT;
222 if (adev->gmc.translate_further) {
223 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL3, BANK_SELECT, 12);
224 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL3,
225 L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
226 } else {
227 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL3, BANK_SELECT, 9);
228 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL3,
229 L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
230 }
231 WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL3,
232 hubid * MMHUB_INSTANCE_REGISTER_OFFSET, tmp);
233
234 tmp = mmVML2PF0_VM_L2_CNTL4_DEFAULT;
235 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL4,
236 VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
237 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL4,
238 VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
239 WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL4,
240 hubid * MMHUB_INSTANCE_REGISTER_OFFSET, tmp);
241 }
242
mmhub_v9_4_enable_system_domain(struct amdgpu_device * adev,int hubid)243 static void mmhub_v9_4_enable_system_domain(struct amdgpu_device *adev,
244 int hubid)
245 {
246 uint32_t tmp;
247
248 tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmVML2VC0_VM_CONTEXT0_CNTL,
249 hubid * MMHUB_INSTANCE_REGISTER_OFFSET);
250 tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
251 tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
252 WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2VC0_VM_CONTEXT0_CNTL,
253 hubid * MMHUB_INSTANCE_REGISTER_OFFSET, tmp);
254 }
255
mmhub_v9_4_disable_identity_aperture(struct amdgpu_device * adev,int hubid)256 static void mmhub_v9_4_disable_identity_aperture(struct amdgpu_device *adev,
257 int hubid)
258 {
259 WREG32_SOC15_OFFSET(MMHUB, 0,
260 mmVML2PF0_VM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
261 hubid * MMHUB_INSTANCE_REGISTER_OFFSET, 0XFFFFFFFF);
262 WREG32_SOC15_OFFSET(MMHUB, 0,
263 mmVML2PF0_VM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
264 hubid * MMHUB_INSTANCE_REGISTER_OFFSET, 0x0000000F);
265
266 WREG32_SOC15_OFFSET(MMHUB, 0,
267 mmVML2PF0_VM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,
268 hubid * MMHUB_INSTANCE_REGISTER_OFFSET, 0);
269 WREG32_SOC15_OFFSET(MMHUB, 0,
270 mmVML2PF0_VM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,
271 hubid * MMHUB_INSTANCE_REGISTER_OFFSET, 0);
272
273 WREG32_SOC15_OFFSET(MMHUB, 0,
274 mmVML2PF0_VM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32,
275 hubid * MMHUB_INSTANCE_REGISTER_OFFSET, 0);
276 WREG32_SOC15_OFFSET(MMHUB, 0,
277 mmVML2PF0_VM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32,
278 hubid * MMHUB_INSTANCE_REGISTER_OFFSET, 0);
279 }
280
mmhub_v9_4_setup_vmid_config(struct amdgpu_device * adev,int hubid)281 static void mmhub_v9_4_setup_vmid_config(struct amdgpu_device *adev, int hubid)
282 {
283 uint32_t tmp;
284 int i;
285
286 for (i = 0; i <= 14; i++) {
287 tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmVML2VC0_VM_CONTEXT1_CNTL,
288 hubid * MMHUB_INSTANCE_REGISTER_OFFSET + i);
289 tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL,
290 ENABLE_CONTEXT, 1);
291 tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL,
292 PAGE_TABLE_DEPTH,
293 adev->vm_manager.num_level);
294 tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL,
295 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
296 tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL,
297 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
298 1);
299 tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL,
300 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
301 tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL,
302 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
303 tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL,
304 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
305 tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL,
306 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
307 tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL,
308 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
309 tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL,
310 PAGE_TABLE_BLOCK_SIZE,
311 adev->vm_manager.block_size - 9);
312 /* Send no-retry XNACK on fault to suppress VM fault storm. */
313 tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL,
314 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
315 WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2VC0_VM_CONTEXT1_CNTL,
316 hubid * MMHUB_INSTANCE_REGISTER_OFFSET + i,
317 tmp);
318 WREG32_SOC15_OFFSET(MMHUB, 0,
319 mmVML2VC0_VM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
320 hubid * MMHUB_INSTANCE_REGISTER_OFFSET + i*2, 0);
321 WREG32_SOC15_OFFSET(MMHUB, 0,
322 mmVML2VC0_VM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
323 hubid * MMHUB_INSTANCE_REGISTER_OFFSET + i*2, 0);
324 WREG32_SOC15_OFFSET(MMHUB, 0,
325 mmVML2VC0_VM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
326 hubid * MMHUB_INSTANCE_REGISTER_OFFSET + i*2,
327 lower_32_bits(adev->vm_manager.max_pfn - 1));
328 WREG32_SOC15_OFFSET(MMHUB, 0,
329 mmVML2VC0_VM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
330 hubid * MMHUB_INSTANCE_REGISTER_OFFSET + i*2,
331 upper_32_bits(adev->vm_manager.max_pfn - 1));
332 }
333 }
334
mmhub_v9_4_program_invalidation(struct amdgpu_device * adev,int hubid)335 static void mmhub_v9_4_program_invalidation(struct amdgpu_device *adev,
336 int hubid)
337 {
338 unsigned i;
339
340 for (i = 0; i < 18; ++i) {
341 WREG32_SOC15_OFFSET(MMHUB, 0,
342 mmVML2VC0_VM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
343 hubid * MMHUB_INSTANCE_REGISTER_OFFSET + 2 * i,
344 0xffffffff);
345 WREG32_SOC15_OFFSET(MMHUB, 0,
346 mmVML2VC0_VM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
347 hubid * MMHUB_INSTANCE_REGISTER_OFFSET + 2 * i,
348 0x1f);
349 }
350 }
351
mmhub_v9_4_gart_enable(struct amdgpu_device * adev)352 int mmhub_v9_4_gart_enable(struct amdgpu_device *adev)
353 {
354 int i;
355
356 for (i = 0; i < MMHUB_NUM_INSTANCES; i++) {
357 if (amdgpu_sriov_vf(adev)) {
358 /*
359 * MC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase
360 * they are VF copy registers so vbios post doesn't
361 * program them, for SRIOV driver need to program them
362 */
363 WREG32_SOC15_OFFSET(MMHUB, 0,
364 mmVMSHAREDVC0_MC_VM_FB_LOCATION_BASE,
365 i * MMHUB_INSTANCE_REGISTER_OFFSET,
366 adev->gmc.vram_start >> 24);
367 WREG32_SOC15_OFFSET(MMHUB, 0,
368 mmVMSHAREDVC0_MC_VM_FB_LOCATION_TOP,
369 i * MMHUB_INSTANCE_REGISTER_OFFSET,
370 adev->gmc.vram_end >> 24);
371 }
372
373 /* GART Enable. */
374 mmhub_v9_4_init_gart_aperture_regs(adev, i);
375 mmhub_v9_4_init_system_aperture_regs(adev, i);
376 mmhub_v9_4_init_tlb_regs(adev, i);
377 mmhub_v9_4_init_cache_regs(adev, i);
378
379 mmhub_v9_4_enable_system_domain(adev, i);
380 mmhub_v9_4_disable_identity_aperture(adev, i);
381 mmhub_v9_4_setup_vmid_config(adev, i);
382 mmhub_v9_4_program_invalidation(adev, i);
383 }
384
385 return 0;
386 }
387
mmhub_v9_4_gart_disable(struct amdgpu_device * adev)388 void mmhub_v9_4_gart_disable(struct amdgpu_device *adev)
389 {
390 u32 tmp;
391 u32 i, j;
392
393 for (j = 0; j < MMHUB_NUM_INSTANCES; j++) {
394 /* Disable all tables */
395 for (i = 0; i < 16; i++)
396 WREG32_SOC15_OFFSET(MMHUB, 0,
397 mmVML2VC0_VM_CONTEXT0_CNTL,
398 j * MMHUB_INSTANCE_REGISTER_OFFSET +
399 i, 0);
400
401 /* Setup TLB control */
402 tmp = RREG32_SOC15_OFFSET(MMHUB, 0,
403 mmVMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL,
404 j * MMHUB_INSTANCE_REGISTER_OFFSET);
405 tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL,
406 ENABLE_L1_TLB, 0);
407 tmp = REG_SET_FIELD(tmp,
408 VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL,
409 ENABLE_ADVANCED_DRIVER_MODEL, 0);
410 WREG32_SOC15_OFFSET(MMHUB, 0,
411 mmVMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL,
412 j * MMHUB_INSTANCE_REGISTER_OFFSET, tmp);
413
414 /* Setup L2 cache */
415 tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL,
416 j * MMHUB_INSTANCE_REGISTER_OFFSET);
417 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL,
418 ENABLE_L2_CACHE, 0);
419 WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL,
420 j * MMHUB_INSTANCE_REGISTER_OFFSET, tmp);
421 WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL3,
422 j * MMHUB_INSTANCE_REGISTER_OFFSET, 0);
423 }
424 }
425
426 /**
427 * mmhub_v1_0_set_fault_enable_default - update GART/VM fault handling
428 *
429 * @adev: amdgpu_device pointer
430 * @value: true redirects VM faults to the default page
431 */
mmhub_v9_4_set_fault_enable_default(struct amdgpu_device * adev,bool value)432 void mmhub_v9_4_set_fault_enable_default(struct amdgpu_device *adev, bool value)
433 {
434 u32 tmp;
435 int i;
436
437 for (i = 0; i < MMHUB_NUM_INSTANCES; i++) {
438 tmp = RREG32_SOC15_OFFSET(MMHUB, 0,
439 mmVML2PF0_VM_L2_PROTECTION_FAULT_CNTL,
440 i * MMHUB_INSTANCE_REGISTER_OFFSET);
441 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL,
442 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT,
443 value);
444 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL,
445 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT,
446 value);
447 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL,
448 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT,
449 value);
450 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL,
451 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT,
452 value);
453 tmp = REG_SET_FIELD(tmp,
454 VML2PF0_VM_L2_PROTECTION_FAULT_CNTL,
455 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
456 value);
457 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL,
458 NACK_PROTECTION_FAULT_ENABLE_DEFAULT,
459 value);
460 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL,
461 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
462 value);
463 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL,
464 VALID_PROTECTION_FAULT_ENABLE_DEFAULT,
465 value);
466 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL,
467 READ_PROTECTION_FAULT_ENABLE_DEFAULT,
468 value);
469 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL,
470 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT,
471 value);
472 tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL,
473 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT,
474 value);
475 if (!value) {
476 tmp = REG_SET_FIELD(tmp,
477 VML2PF0_VM_L2_PROTECTION_FAULT_CNTL,
478 CRASH_ON_NO_RETRY_FAULT, 1);
479 tmp = REG_SET_FIELD(tmp,
480 VML2PF0_VM_L2_PROTECTION_FAULT_CNTL,
481 CRASH_ON_RETRY_FAULT, 1);
482 }
483
484 WREG32_SOC15_OFFSET(MMHUB, 0,
485 mmVML2PF0_VM_L2_PROTECTION_FAULT_CNTL,
486 i * MMHUB_INSTANCE_REGISTER_OFFSET, tmp);
487 }
488 }
489
mmhub_v9_4_init(struct amdgpu_device * adev)490 void mmhub_v9_4_init(struct amdgpu_device *adev)
491 {
492 struct amdgpu_vmhub *hub[MMHUB_NUM_INSTANCES] =
493 {&adev->vmhub[AMDGPU_MMHUB_0], &adev->vmhub[AMDGPU_MMHUB_1]};
494 int i;
495
496 for (i = 0; i < MMHUB_NUM_INSTANCES; i++) {
497 hub[i]->ctx0_ptb_addr_lo32 =
498 SOC15_REG_OFFSET(MMHUB, 0,
499 mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32) +
500 i * MMHUB_INSTANCE_REGISTER_OFFSET;
501 hub[i]->ctx0_ptb_addr_hi32 =
502 SOC15_REG_OFFSET(MMHUB, 0,
503 mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32) +
504 i * MMHUB_INSTANCE_REGISTER_OFFSET;
505 hub[i]->vm_inv_eng0_sem =
506 SOC15_REG_OFFSET(MMHUB, 0,
507 mmVML2VC0_VM_INVALIDATE_ENG0_SEM) +
508 i * MMHUB_INSTANCE_REGISTER_OFFSET;
509 hub[i]->vm_inv_eng0_req =
510 SOC15_REG_OFFSET(MMHUB, 0,
511 mmVML2VC0_VM_INVALIDATE_ENG0_REQ) +
512 i * MMHUB_INSTANCE_REGISTER_OFFSET;
513 hub[i]->vm_inv_eng0_ack =
514 SOC15_REG_OFFSET(MMHUB, 0,
515 mmVML2VC0_VM_INVALIDATE_ENG0_ACK) +
516 i * MMHUB_INSTANCE_REGISTER_OFFSET;
517 hub[i]->vm_context0_cntl =
518 SOC15_REG_OFFSET(MMHUB, 0,
519 mmVML2VC0_VM_CONTEXT0_CNTL) +
520 i * MMHUB_INSTANCE_REGISTER_OFFSET;
521 hub[i]->vm_l2_pro_fault_status =
522 SOC15_REG_OFFSET(MMHUB, 0,
523 mmVML2PF0_VM_L2_PROTECTION_FAULT_STATUS) +
524 i * MMHUB_INSTANCE_REGISTER_OFFSET;
525 hub[i]->vm_l2_pro_fault_cntl =
526 SOC15_REG_OFFSET(MMHUB, 0,
527 mmVML2PF0_VM_L2_PROTECTION_FAULT_CNTL) +
528 i * MMHUB_INSTANCE_REGISTER_OFFSET;
529 }
530 }
531
mmhub_v9_4_update_medium_grain_clock_gating(struct amdgpu_device * adev,bool enable)532 static void mmhub_v9_4_update_medium_grain_clock_gating(struct amdgpu_device *adev,
533 bool enable)
534 {
535 uint32_t def, data, def1, data1;
536 int i, j;
537 int dist = mmDAGB1_CNTL_MISC2 - mmDAGB0_CNTL_MISC2;
538
539 for (i = 0; i < MMHUB_NUM_INSTANCES; i++) {
540 def = data = RREG32_SOC15_OFFSET(MMHUB, 0,
541 mmATCL2_0_ATC_L2_MISC_CG,
542 i * MMHUB_INSTANCE_REGISTER_OFFSET);
543
544 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG))
545 data |= ATCL2_0_ATC_L2_MISC_CG__ENABLE_MASK;
546 else
547 data &= ~ATCL2_0_ATC_L2_MISC_CG__ENABLE_MASK;
548
549 if (def != data)
550 WREG32_SOC15_OFFSET(MMHUB, 0, mmATCL2_0_ATC_L2_MISC_CG,
551 i * MMHUB_INSTANCE_REGISTER_OFFSET, data);
552
553 for (j = 0; j < 5; j++) {
554 def1 = data1 = RREG32_SOC15_OFFSET(MMHUB, 0,
555 mmDAGB0_CNTL_MISC2,
556 i * MMHUB_INSTANCE_REGISTER_OFFSET +
557 j * dist);
558 if (enable &&
559 (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
560 data1 &=
561 ~(DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
562 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
563 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
564 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
565 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
566 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
567 } else {
568 data1 |=
569 (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
570 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
571 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
572 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
573 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
574 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
575 }
576
577 if (def1 != data1)
578 WREG32_SOC15_OFFSET(MMHUB, 0,
579 mmDAGB0_CNTL_MISC2,
580 i * MMHUB_INSTANCE_REGISTER_OFFSET +
581 j * dist, data1);
582
583 if (i == 1 && j == 3)
584 break;
585 }
586 }
587 }
588
mmhub_v9_4_update_medium_grain_light_sleep(struct amdgpu_device * adev,bool enable)589 static void mmhub_v9_4_update_medium_grain_light_sleep(struct amdgpu_device *adev,
590 bool enable)
591 {
592 uint32_t def, data;
593 int i;
594
595 for (i = 0; i < MMHUB_NUM_INSTANCES; i++) {
596 def = data = RREG32_SOC15_OFFSET(MMHUB, 0,
597 mmATCL2_0_ATC_L2_MISC_CG,
598 i * MMHUB_INSTANCE_REGISTER_OFFSET);
599
600 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
601 data |= ATCL2_0_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
602 else
603 data &= ~ATCL2_0_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
604
605 if (def != data)
606 WREG32_SOC15_OFFSET(MMHUB, 0, mmATCL2_0_ATC_L2_MISC_CG,
607 i * MMHUB_INSTANCE_REGISTER_OFFSET, data);
608 }
609 }
610
mmhub_v9_4_set_clockgating(struct amdgpu_device * adev,enum amd_clockgating_state state)611 int mmhub_v9_4_set_clockgating(struct amdgpu_device *adev,
612 enum amd_clockgating_state state)
613 {
614 if (amdgpu_sriov_vf(adev))
615 return 0;
616
617 switch (adev->asic_type) {
618 case CHIP_ARCTURUS:
619 mmhub_v9_4_update_medium_grain_clock_gating(adev,
620 state == AMD_CG_STATE_GATE ? true : false);
621 mmhub_v9_4_update_medium_grain_light_sleep(adev,
622 state == AMD_CG_STATE_GATE ? true : false);
623 break;
624 default:
625 break;
626 }
627
628 return 0;
629 }
630
mmhub_v9_4_get_clockgating(struct amdgpu_device * adev,u32 * flags)631 void mmhub_v9_4_get_clockgating(struct amdgpu_device *adev, u32 *flags)
632 {
633 int data, data1;
634
635 if (amdgpu_sriov_vf(adev))
636 *flags = 0;
637
638 /* AMD_CG_SUPPORT_MC_MGCG */
639 data = RREG32_SOC15(MMHUB, 0, mmATCL2_0_ATC_L2_MISC_CG);
640
641 data1 = RREG32_SOC15(MMHUB, 0, mmATCL2_0_ATC_L2_MISC_CG);
642
643 if ((data & ATCL2_0_ATC_L2_MISC_CG__ENABLE_MASK) &&
644 !(data1 & (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
645 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
646 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
647 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
648 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
649 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK)))
650 *flags |= AMD_CG_SUPPORT_MC_MGCG;
651
652 /* AMD_CG_SUPPORT_MC_LS */
653 if (data & ATCL2_0_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK)
654 *flags |= AMD_CG_SUPPORT_MC_LS;
655 }
656