2 * Copyright 2016 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
24 #include "mmhub_v1_0.h"
26 #include "vega10/soc15ip.h"
27 #include "vega10/MMHUB/mmhub_1_0_offset.h"
28 #include "vega10/MMHUB/mmhub_1_0_sh_mask.h"
29 #include "vega10/MMHUB/mmhub_1_0_default.h"
30 #include "vega10/ATHUB/athub_1_0_offset.h"
31 #include "vega10/ATHUB/athub_1_0_sh_mask.h"
32 #include "vega10/ATHUB/athub_1_0_default.h"
33 #include "vega10/vega10_enum.h"
35 #include "soc15_common.h"
37 u64 mmhub_v1_0_get_fb_location(struct amdgpu_device *adev)
39 u64 base = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_FB_LOCATION_BASE));
41 base &= MC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
47 int mmhub_v1_0_gart_enable(struct amdgpu_device *adev)
55 /* Update configuration */
56 DRM_INFO("%s -- in\n", __func__);
57 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR),
58 adev->mc.vram_start >> 18);
59 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR),
60 adev->mc.vram_end >> 18);
61 value = adev->vram_scratch.gpu_addr - adev->mc.vram_start +
62 adev->vm_manager.vram_base_offset;
63 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
64 mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB),
66 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
67 mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB),
70 if (amdgpu_sriov_vf(adev)) {
71 /* MC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are VF copy registers so
72 vbios post doesn't program them, for SRIOV driver need to program them */
73 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_FB_LOCATION_BASE),
74 adev->mc.vram_start >> 24);
75 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_FB_LOCATION_TOP),
76 adev->mc.vram_end >> 24);
80 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_AGP_BASE), 0);
81 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_AGP_TOP), 0);
82 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_AGP_BOT), 0x00FFFFFF);
86 /* Setup TLB control */
87 tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL));
88 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
89 tmp = REG_SET_FIELD(tmp,
93 tmp = REG_SET_FIELD(tmp,
95 ENABLE_ADVANCED_DRIVER_MODEL,
97 tmp = REG_SET_FIELD(tmp,
99 SYSTEM_APERTURE_UNMAPPED_ACCESS,
101 tmp = REG_SET_FIELD(tmp,
102 MC_VM_MX_L1_TLB_CNTL,
105 tmp = REG_SET_FIELD(tmp,
106 MC_VM_MX_L1_TLB_CNTL,
108 MTYPE_UC);/* XXX for emulation. */
109 tmp = REG_SET_FIELD(tmp,
110 MC_VM_MX_L1_TLB_CNTL,
113 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL), tmp);
116 tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL));
117 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
118 tmp = REG_SET_FIELD(tmp,
120 ENABLE_L2_FRAGMENT_PROCESSING,
122 tmp = REG_SET_FIELD(tmp,
124 L2_PDE0_CACHE_TAG_GENERATION_MODE,
125 0);/* XXX for emulation, Refer to closed source code.*/
126 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 1);
127 tmp = REG_SET_FIELD(tmp,
129 CONTEXT1_IDENTITY_ACCESS_MODE,
131 tmp = REG_SET_FIELD(tmp,
133 IDENTITY_MODE_FRAGMENT_SIZE,
135 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL), tmp);
137 tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL2));
138 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
139 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
140 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL2), tmp);
142 tmp = mmVM_L2_CNTL3_DEFAULT;
143 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL3), tmp);
145 tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL4));
146 tmp = REG_SET_FIELD(tmp,
148 VMC_TAP_PDE_REQUEST_PHYSICAL,
150 tmp = REG_SET_FIELD(tmp,
152 VMC_TAP_PTE_REQUEST_PHYSICAL,
154 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL4), tmp);
157 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
158 mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32),
159 (u32)(adev->mc.gtt_start >> 12));
160 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
161 mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32),
162 (u32)(adev->mc.gtt_start >> 44));
164 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
165 mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32),
166 (u32)(adev->mc.gtt_end >> 12));
167 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
168 mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32),
169 (u32)(adev->mc.gtt_end >> 44));
171 BUG_ON(adev->gart.table_addr & (~0x0000FFFFFFFFF000ULL));
172 value = adev->gart.table_addr - adev->mc.vram_start +
173 adev->vm_manager.vram_base_offset;
174 value &= 0x0000FFFFFFFFF000ULL;
175 value |= 0x1; /* valid bit */
177 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
178 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32),
180 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
181 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32),
184 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
185 mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32),
186 (u32)(adev->dummy_page.addr >> 12));
187 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
188 mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32),
189 (u32)(adev->dummy_page.addr >> 44));
191 tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2));
192 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2,
193 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY,
195 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2), tmp);
197 addr = SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL);
200 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
201 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
202 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL), tmp);
206 /* Disable identity aperture.*/
207 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
208 mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32), 0XFFFFFFFF);
209 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
210 mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32), 0x0000000F);
212 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
213 mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32), 0);
214 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
215 mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32), 0);
217 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
218 mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32), 0);
219 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
220 mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32), 0);
222 for (i = 0; i <= 14; i++) {
223 tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL)
225 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
227 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
228 PAGE_TABLE_DEPTH, adev->vm_manager.num_level);
229 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
230 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
231 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
232 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
233 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
234 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
235 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
236 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
237 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
238 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
239 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
240 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
241 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
242 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
243 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
244 PAGE_TABLE_BLOCK_SIZE,
245 amdgpu_vm_block_size - 9);
246 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL) + i, tmp);
247 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32) + i*2, 0);
248 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32) + i*2, 0);
249 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32) + i*2,
250 lower_32_bits(adev->vm_manager.max_pfn - 1));
251 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32) + i*2,
252 upper_32_bits(adev->vm_manager.max_pfn - 1));
258 void mmhub_v1_0_gart_disable(struct amdgpu_device *adev)
263 /* Disable all tables */
264 for (i = 0; i < 16; i++)
265 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL) + i, 0);
267 /* Setup TLB control */
268 tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL));
269 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
270 tmp = REG_SET_FIELD(tmp,
271 MC_VM_MX_L1_TLB_CNTL,
272 ENABLE_ADVANCED_DRIVER_MODEL,
274 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL), tmp);
277 tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL));
278 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
279 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL), tmp);
280 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL3), 0);
284 * mmhub_v1_0_set_fault_enable_default - update GART/VM fault handling
286 * @adev: amdgpu_device pointer
287 * @value: true redirects VM faults to the default page
289 void mmhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev, bool value)
292 tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL));
293 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
294 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
295 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
296 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
297 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
298 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
299 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
300 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
301 tmp = REG_SET_FIELD(tmp,
302 VM_L2_PROTECTION_FAULT_CNTL,
303 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
305 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
306 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
307 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
308 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
309 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
310 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
311 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
312 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
313 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
314 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
315 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
316 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
317 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL), tmp);
320 static uint32_t mmhub_v1_0_get_invalidate_req(unsigned int vm_id)
324 /* invalidate using legacy mode on vm_id*/
325 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
326 PER_VMID_INVALIDATE_REQ, 1 << vm_id);
327 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, 0);
328 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
329 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
330 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
331 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
332 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
333 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
334 CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0);
339 static uint32_t mmhub_v1_0_get_vm_protection_bits(void)
341 return (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
342 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
343 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
344 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
345 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
346 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
347 VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK);
350 static int mmhub_v1_0_early_init(void *handle)
355 static int mmhub_v1_0_late_init(void *handle)
360 static int mmhub_v1_0_sw_init(void *handle)
362 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
363 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB];
365 hub->ctx0_ptb_addr_lo32 =
366 SOC15_REG_OFFSET(MMHUB, 0,
367 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
368 hub->ctx0_ptb_addr_hi32 =
369 SOC15_REG_OFFSET(MMHUB, 0,
370 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
371 hub->vm_inv_eng0_req =
372 SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_REQ);
373 hub->vm_inv_eng0_ack =
374 SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ACK);
375 hub->vm_context0_cntl =
376 SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL);
377 hub->vm_l2_pro_fault_status =
378 SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_STATUS);
379 hub->vm_l2_pro_fault_cntl =
380 SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
382 hub->get_invalidate_req = mmhub_v1_0_get_invalidate_req;
383 hub->get_vm_protection_bits = mmhub_v1_0_get_vm_protection_bits;
388 static int mmhub_v1_0_sw_fini(void *handle)
393 static int mmhub_v1_0_hw_init(void *handle)
395 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
398 for (i = 0; i < 18; ++i) {
399 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
400 mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32) +
402 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
403 mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32) +
410 static int mmhub_v1_0_hw_fini(void *handle)
415 static int mmhub_v1_0_suspend(void *handle)
420 static int mmhub_v1_0_resume(void *handle)
425 static bool mmhub_v1_0_is_idle(void *handle)
430 static int mmhub_v1_0_wait_for_idle(void *handle)
435 static int mmhub_v1_0_soft_reset(void *handle)
440 static void mmhub_v1_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
443 uint32_t def, data, def1, data1, def2, data2;
445 def = data = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmATC_L2_MISC_CG));
446 def1 = data1 = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB0_CNTL_MISC2));
447 def2 = data2 = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB1_CNTL_MISC2));
449 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
450 data |= ATC_L2_MISC_CG__ENABLE_MASK;
452 data1 &= ~(DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
453 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
454 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
455 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
456 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
457 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
459 data2 &= ~(DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
460 DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
461 DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
462 DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
463 DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
464 DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
466 data &= ~ATC_L2_MISC_CG__ENABLE_MASK;
468 data1 |= (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
469 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
470 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
471 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
472 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
473 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
475 data2 |= (DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
476 DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
477 DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
478 DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
479 DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
480 DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
484 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmATC_L2_MISC_CG), data);
487 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB0_CNTL_MISC2), data1);
490 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB1_CNTL_MISC2), data2);
493 static void athub_update_medium_grain_clock_gating(struct amdgpu_device *adev,
498 def = data = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATHUB_MISC_CNTL));
500 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG))
501 data |= ATHUB_MISC_CNTL__CG_ENABLE_MASK;
503 data &= ~ATHUB_MISC_CNTL__CG_ENABLE_MASK;
506 WREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATHUB_MISC_CNTL), data);
509 static void mmhub_v1_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
514 def = data = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmATC_L2_MISC_CG));
516 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
517 data |= ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
519 data &= ~ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
522 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmATC_L2_MISC_CG), data);
525 static void athub_update_medium_grain_light_sleep(struct amdgpu_device *adev,
530 def = data = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATHUB_MISC_CNTL));
532 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS) &&
533 (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
534 data |= ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
536 data &= ~ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
539 WREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATHUB_MISC_CNTL), data);
542 static int mmhub_v1_0_set_clockgating_state(void *handle,
543 enum amd_clockgating_state state)
545 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
547 switch (adev->asic_type) {
549 mmhub_v1_0_update_medium_grain_clock_gating(adev,
550 state == AMD_CG_STATE_GATE ? true : false);
551 athub_update_medium_grain_clock_gating(adev,
552 state == AMD_CG_STATE_GATE ? true : false);
553 mmhub_v1_0_update_medium_grain_light_sleep(adev,
554 state == AMD_CG_STATE_GATE ? true : false);
555 athub_update_medium_grain_light_sleep(adev,
556 state == AMD_CG_STATE_GATE ? true : false);
565 static void mmhub_v1_0_get_clockgating_state(void *handle, u32 *flags)
567 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
570 if (amdgpu_sriov_vf(adev))
573 /* AMD_CG_SUPPORT_MC_MGCG */
574 data = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATHUB_MISC_CNTL));
575 if (data & ATHUB_MISC_CNTL__CG_ENABLE_MASK)
576 *flags |= AMD_CG_SUPPORT_MC_MGCG;
578 /* AMD_CG_SUPPORT_MC_LS */
579 data = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmATC_L2_MISC_CG));
580 if (data & ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK)
581 *flags |= AMD_CG_SUPPORT_MC_LS;
584 static int mmhub_v1_0_set_powergating_state(void *handle,
585 enum amd_powergating_state state)
590 const struct amd_ip_funcs mmhub_v1_0_ip_funcs = {
591 .name = "mmhub_v1_0",
592 .early_init = mmhub_v1_0_early_init,
593 .late_init = mmhub_v1_0_late_init,
594 .sw_init = mmhub_v1_0_sw_init,
595 .sw_fini = mmhub_v1_0_sw_fini,
596 .hw_init = mmhub_v1_0_hw_init,
597 .hw_fini = mmhub_v1_0_hw_fini,
598 .suspend = mmhub_v1_0_suspend,
599 .resume = mmhub_v1_0_resume,
600 .is_idle = mmhub_v1_0_is_idle,
601 .wait_for_idle = mmhub_v1_0_wait_for_idle,
602 .soft_reset = mmhub_v1_0_soft_reset,
603 .set_clockgating_state = mmhub_v1_0_set_clockgating_state,
604 .set_powergating_state = mmhub_v1_0_set_powergating_state,
605 .get_clockgating_state = mmhub_v1_0_get_clockgating_state,
608 const struct amdgpu_ip_block_version mmhub_v1_0_ip_block =
610 .type = AMD_IP_BLOCK_TYPE_MMHUB,
614 .funcs = &mmhub_v1_0_ip_funcs,