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drm/amd/pp: Rename enable_per_cu_power_gating to powergate_gfx
[thirdparty/linux.git] / drivers / gpu / drm / amd / amdgpu / mmhub_v1_0.c
CommitLineData
e60f8db5
AX		 1/*
2 * Copyright 2016 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_v1_0.h"
25
65417d9f
FX		 26#include "mmhub/mmhub_1_0_offset.h"
27#include "mmhub/mmhub_1_0_sh_mask.h"
28#include "mmhub/mmhub_1_0_default.h"
6ce68225
FX		 29#include "athub/athub_1_0_offset.h"
30#include "athub/athub_1_0_sh_mask.h"
fb960bd2 31#include "vega10_enum.h"
e60f8db5
AX		 32
33#include "soc15_common.h"
34
2547a7aa
HR		 35#define mmDAGB0_CNTL_MISC2_RV 0x008f
36#define mmDAGB0_CNTL_MISC2_RV_BASE_IDX 0
37
e60f8db5
AX		 38u64 mmhub_v1_0_get_fb_location(struct amdgpu_device *adev)
39{
2a419183 40 u64 base = RREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_BASE);
e60f8db5
AX		 41
42 base &= MC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
43 base <<= 24;
44
45 return base;
46}
47
a51dca4f
HR		 48static void mmhub_v1_0_init_gart_pt_regs(struct amdgpu_device *adev)
49{
50 uint64_t value;
51
52 BUG_ON(adev->gart.table_addr & (~0x0000FFFFFFFFF000ULL));
770d13b1 53 value = adev->gart.table_addr - adev->gmc.vram_start +
a51dca4f
HR		 54 adev->vm_manager.vram_base_offset;
55 value &= 0x0000FFFFFFFFF000ULL;
56 value |= 0x1; /* valid bit */
57
2a419183
HR		 58 WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
59 lower_32_bits(value));
a51dca4f 60
2a419183
HR		 61 WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
62 upper_32_bits(value));
a51dca4f
HR		 63}
64
9bbad6fd
HR		 65static void mmhub_v1_0_init_gart_aperture_regs(struct amdgpu_device *adev)
66{
67 mmhub_v1_0_init_gart_pt_regs(adev);
68
2a419183 69 WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
770d13b1 70 (u32)(adev->gmc.gart_start >> 12));
2a419183 71 WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
770d13b1 72 (u32)(adev->gmc.gart_start >> 44));
2a419183
HR		 73
74 WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
770d13b1 75 (u32)(adev->gmc.gart_end >> 12));
2a419183 76 WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
770d13b1 77 (u32)(adev->gmc.gart_end >> 44));
9bbad6fd
HR		 78}
79
fc4b884b 80static void mmhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
e60f8db5 81{
fc4b884b
HR		 82 uint64_t value;
83 uint32_t tmp;
e60f8db5 84
fc4b884b 85 /* Disable AGP. */
2a419183
HR		 86 WREG32_SOC15(MMHUB, 0, mmMC_VM_AGP_BASE, 0);
87 WREG32_SOC15(MMHUB, 0, mmMC_VM_AGP_TOP, 0);
88 WREG32_SOC15(MMHUB, 0, mmMC_VM_AGP_BOT, 0x00FFFFFF);
a51dca4f 89
fc4b884b 90 /* Program the system aperture low logical page number. */
2a419183 91 WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
770d13b1 92 adev->gmc.vram_start >> 18);
2a419183 93 WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
770d13b1 94 adev->gmc.vram_end >> 18);
fc4b884b
HR		 95
96 /* Set default page address. */
770d13b1 97 value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start +
e60f8db5 98 adev->vm_manager.vram_base_offset;
2a419183
HR		 99 WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
100 (u32)(value >> 12));
101 WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
102 (u32)(value >> 44));
fc4b884b
HR		 103
104 /* Program "protection fault". */
2a419183 105 WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
92e71b06 106 (u32)(adev->dummy_page_addr >> 12));
2a419183 107 WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
92e71b06 108 (u32)((u64)adev->dummy_page_addr >> 44));
2a419183
HR		 109
110 tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2);
fc4b884b
HR		 111 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2,
112 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
2a419183 113 WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2, tmp);
fc4b884b
HR		 114}
115
34269839
HR		 116static void mmhub_v1_0_init_tlb_regs(struct amdgpu_device *adev)
117{
118 uint32_t tmp;
119
120 /* Setup TLB control */
2a419183 121 tmp = RREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL);
34269839
HR		 122
123 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
124 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
125 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
126 ENABLE_ADVANCED_DRIVER_MODEL, 1);
127 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
128 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
129 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
130 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
131 MTYPE, MTYPE_UC);/* XXX for emulation. */
132 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1);
133
2a419183 134 WREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
34269839
HR		 135}
136
41f6f311
HR		 137static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
138{
a3ce3645 139 uint32_t tmp;
41f6f311
HR		 140
141 /* Setup L2 cache */
2a419183 142 tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL);
41f6f311 143 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
6be7adb3 144 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
41f6f311
HR		 145 /* XXX for emulation, Refer to closed source code.*/
146 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
147 0);
148 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 1);
149 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
150 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
2a419183 151 WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL, tmp);
41f6f311 152
2a419183 153 tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL2);
41f6f311
HR		 154 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
155 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
2a419183 156 WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL2, tmp);
41f6f311 157
770d13b1 158 if (adev->gmc.translate_further) {
6a42fd6f
CK		 159 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12);
160 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
161 L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
162 } else {
163 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 9);
164 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
165 L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
166 }
41f6f311
HR		 167
168 tmp = mmVM_L2_CNTL4_DEFAULT;
169 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
170 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
2a419183 171 WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL4, tmp);
41f6f311
HR		 172}
173
02c4704b
HR		 174static void mmhub_v1_0_enable_system_domain(struct amdgpu_device *adev)
175{
176 uint32_t tmp;
177
2a419183 178 tmp = RREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_CNTL);
02c4704b
HR		 179 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
180 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
2a419183 181 WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_CNTL, tmp);
02c4704b
HR		 182}
183
d5c87390
HR		 184static void mmhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev)
185{
2a419183
HR		 186 WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
187 0XFFFFFFFF);
188 WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
189 0x0000000F);
190
191 WREG32_SOC15(MMHUB, 0,
192 mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0);
193 WREG32_SOC15(MMHUB, 0,
194 mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0);
195
196 WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32,
197 0);
198 WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32,
199 0);
d5c87390
HR		 200}
201
3dff4cc4 202static void mmhub_v1_0_setup_vmid_config(struct amdgpu_device *adev)
fc4b884b 203{
6a42fd6f 204 unsigned num_level, block_size;
3dff4cc4 205 uint32_t tmp;
6a42fd6f
CK		 206 int i;
207
208 num_level = adev->vm_manager.num_level;
209 block_size = adev->vm_manager.block_size;
770d13b1 210 if (adev->gmc.translate_further)
6a42fd6f
CK		 211 num_level -= 1;
212 else
213 block_size -= 9;
e60f8db5
AX		 214
215 for (i = 0; i <= 14; i++) {
deca8322 216 tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL, i);
6a42fd6f
CK		 217 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
218 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
219 num_level);
e60f8db5 220 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
6a42fd6f 221 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
e60f8db5 222 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
6a42fd6f
CK		 223 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
224 1);
e60f8db5 225 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
6a42fd6f 226 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
e60f8db5 227 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
6a42fd6f 228 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
e60f8db5 229 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
6a42fd6f 230 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
e60f8db5 231 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
6a42fd6f 232 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
e60f8db5 233 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
6a42fd6f 234 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
e60f8db5 235 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
6a42fd6f
CK		 236 PAGE_TABLE_BLOCK_SIZE,
237 block_size);
9f57f7b4
JC		 238 /* Send no-retry XNACK on fault to suppress VM fault storm. */
239 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
240 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
deca8322
TSD		 241 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL, i, tmp);
242 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, i*2, 0);
243 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, i*2, 0);
244 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, i*2,
22770e5a 245 lower_32_bits(adev->vm_manager.max_pfn - 1));
deca8322 246 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, i*2,
22770e5a 247 upper_32_bits(adev->vm_manager.max_pfn - 1));
e60f8db5 248 }
3dff4cc4
HR		 249}
250
1e4eccda
HR		 251static void mmhub_v1_0_program_invalidation(struct amdgpu_device *adev)
252{
253 unsigned i;
254
255 for (i = 0; i < 18; ++i) {
deca8322
TSD		 256 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
257 2 * i, 0xffffffff);
258 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
259 2 * i, 0x1f);
1e4eccda
HR		 260 }
261}
262
2fcd43ce 263struct pctl_data {
a69c7e01
HZ		 264 uint32_t index;
265 uint32_t data;
2fcd43ce
HZ		 266};
267
606ce3c0 268static const struct pctl_data pctl0_data[] = {
a69c7e01
HZ		 269 {0x0, 0x7a640},
270 {0x9, 0x2a64a},
271 {0xd, 0x2a680},
272 {0x11, 0x6a684},
273 {0x19, 0xea68e},
274 {0x29, 0xa69e},
c8553f4b
YZ		 275 {0x2b, 0x0010a6c0},
276 {0x3d, 0x83a707},
277 {0xc2, 0x8a7a4},
278 {0xcc, 0x1a7b8},
279 {0xcf, 0xfa7cc},
280 {0xe0, 0x17a7dd},
281 {0xf9, 0xa7dc},
282 {0xfb, 0x12a7f5},
283 {0x10f, 0xa808},
284 {0x111, 0x12a810},
285 {0x125, 0x7a82c}
2fcd43ce 286};
376b6a1f 287#define PCTL0_DATA_LEN (ARRAY_SIZE(pctl0_data))
2fcd43ce 288
c8553f4b 289#define PCTL0_RENG_EXEC_END_PTR 0x12d
2fcd43ce
HZ		 290#define PCTL0_STCTRL_REG_SAVE_RANGE0_BASE 0xa640
291#define PCTL0_STCTRL_REG_SAVE_RANGE0_LIMIT 0xa833
292
606ce3c0 293static const struct pctl_data pctl1_data[] = {
a69c7e01
HZ		 294 {0x0, 0x39a000},
295 {0x3b, 0x44a040},
296 {0x81, 0x2a08d},
297 {0x85, 0x6ba094},
298 {0xf2, 0x18a100},
299 {0x10c, 0x4a132},
300 {0x112, 0xca141},
301 {0x120, 0x2fa158},
302 {0x151, 0x17a1d0},
303 {0x16a, 0x1a1e9},
304 {0x16d, 0x13a1ec},
305 {0x182, 0x7a201},
306 {0x18b, 0x3a20a},
307 {0x190, 0x7a580},
308 {0x199, 0xa590},
309 {0x19b, 0x4a594},
310 {0x1a1, 0x1a59c},
311 {0x1a4, 0x7a82c},
312 {0x1ad, 0xfa7cc},
313 {0x1be, 0x17a7dd},
314 {0x1d7, 0x12a810},
315 {0x1eb, 0x4000a7e1},
316 {0x1ec, 0x5000a7f5},
317 {0x1ed, 0x4000a7e2},
318 {0x1ee, 0x5000a7dc},
319 {0x1ef, 0x4000a7e3},
320 {0x1f0, 0x5000a7f6},
321 {0x1f1, 0x5000a7e4}
2fcd43ce 322};
376b6a1f 323#define PCTL1_DATA_LEN (ARRAY_SIZE(pctl1_data))
2fcd43ce 324
a69c7e01 325#define PCTL1_RENG_EXEC_END_PTR 0x1f1
2fcd43ce
HZ		 326#define PCTL1_STCTRL_REG_SAVE_RANGE0_BASE 0xa000
327#define PCTL1_STCTRL_REG_SAVE_RANGE0_LIMIT 0xa20d
328#define PCTL1_STCTRL_REG_SAVE_RANGE1_BASE 0xa580
329#define PCTL1_STCTRL_REG_SAVE_RANGE1_LIMIT 0xa59d
330#define PCTL1_STCTRL_REG_SAVE_RANGE2_BASE 0xa82c
331#define PCTL1_STCTRL_REG_SAVE_RANGE2_LIMIT 0xa833
332
333static void mmhub_v1_0_power_gating_write_save_ranges(struct amdgpu_device *adev)
334{
335 uint32_t tmp = 0;
336
337 /* PCTL0_STCTRL_REGISTER_SAVE_RANGE0 */
338 tmp = REG_SET_FIELD(tmp, PCTL0_STCTRL_REGISTER_SAVE_RANGE0,
339 STCTRL_REGISTER_SAVE_BASE,
340 PCTL0_STCTRL_REG_SAVE_RANGE0_BASE);
341 tmp = REG_SET_FIELD(tmp, PCTL0_STCTRL_REGISTER_SAVE_RANGE0,
342 STCTRL_REGISTER_SAVE_LIMIT,
343 PCTL0_STCTRL_REG_SAVE_RANGE0_LIMIT);
344 WREG32_SOC15(MMHUB, 0, mmPCTL0_STCTRL_REGISTER_SAVE_RANGE0, tmp);
345
346 /* PCTL1_STCTRL_REGISTER_SAVE_RANGE0 */
347 tmp = 0;
348 tmp = REG_SET_FIELD(tmp, PCTL1_STCTRL_REGISTER_SAVE_RANGE0,
349 STCTRL_REGISTER_SAVE_BASE,
350 PCTL1_STCTRL_REG_SAVE_RANGE0_BASE);
351 tmp = REG_SET_FIELD(tmp, PCTL1_STCTRL_REGISTER_SAVE_RANGE0,
352 STCTRL_REGISTER_SAVE_LIMIT,
353 PCTL1_STCTRL_REG_SAVE_RANGE0_LIMIT);
354 WREG32_SOC15(MMHUB, 0, mmPCTL1_STCTRL_REGISTER_SAVE_RANGE0, tmp);
355
356 /* PCTL1_STCTRL_REGISTER_SAVE_RANGE1 */
357 tmp = 0;
358 tmp = REG_SET_FIELD(tmp, PCTL1_STCTRL_REGISTER_SAVE_RANGE1,
359 STCTRL_REGISTER_SAVE_BASE,
360 PCTL1_STCTRL_REG_SAVE_RANGE1_BASE);
361 tmp = REG_SET_FIELD(tmp, PCTL1_STCTRL_REGISTER_SAVE_RANGE1,
362 STCTRL_REGISTER_SAVE_LIMIT,
363 PCTL1_STCTRL_REG_SAVE_RANGE1_LIMIT);
364 WREG32_SOC15(MMHUB, 0, mmPCTL1_STCTRL_REGISTER_SAVE_RANGE1, tmp);
365
366 /* PCTL1_STCTRL_REGISTER_SAVE_RANGE2 */
367 tmp = 0;
368 tmp = REG_SET_FIELD(tmp, PCTL1_STCTRL_REGISTER_SAVE_RANGE2,
369 STCTRL_REGISTER_SAVE_BASE,
370 PCTL1_STCTRL_REG_SAVE_RANGE2_BASE);
371 tmp = REG_SET_FIELD(tmp, PCTL1_STCTRL_REGISTER_SAVE_RANGE2,
372 STCTRL_REGISTER_SAVE_LIMIT,
373 PCTL1_STCTRL_REG_SAVE_RANGE2_LIMIT);
374 WREG32_SOC15(MMHUB, 0, mmPCTL1_STCTRL_REGISTER_SAVE_RANGE2, tmp);
375}
376
377void mmhub_v1_0_initialize_power_gating(struct amdgpu_device *adev)
378{
379 uint32_t pctl0_misc = 0;
380 uint32_t pctl0_reng_execute = 0;
381 uint32_t pctl1_misc = 0;
382 uint32_t pctl1_reng_execute = 0;
383 int i = 0;
384
385 if (amdgpu_sriov_vf(adev))
386 return;
387
c8553f4b 388 /****************** pctl0 **********************/
2fcd43ce
HZ		 389 pctl0_misc = RREG32_SOC15(MMHUB, 0, mmPCTL0_MISC);
390 pctl0_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE);
2fcd43ce
HZ		 391
392 /* Light sleep must be disabled before writing to pctl0 registers */
393 pctl0_misc &= ~PCTL0_MISC__RENG_MEM_LS_ENABLE_MASK;
394 WREG32_SOC15(MMHUB, 0, mmPCTL0_MISC, pctl0_misc);
395
396 /* Write data used to access ram of register engine */
397 for (i = 0; i < PCTL0_DATA_LEN; i++) {
398 WREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_RAM_INDEX,
399 pctl0_data[i].index);
400 WREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_RAM_DATA,
401 pctl0_data[i].data);
402 }
403
c8553f4b
YZ		 404 /* Re-enable light sleep */
405 pctl0_misc |= PCTL0_MISC__RENG_MEM_LS_ENABLE_MASK;
406 WREG32_SOC15(MMHUB, 0, mmPCTL0_MISC, pctl0_misc);
407
408 /****************** pctl1 **********************/
409 pctl1_misc = RREG32_SOC15(MMHUB, 0, mmPCTL1_MISC);
410 pctl1_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE);
2fcd43ce
HZ		 411
412 /* Light sleep must be disabled before writing to pctl1 registers */
413 pctl1_misc &= ~PCTL1_MISC__RENG_MEM_LS_ENABLE_MASK;
414 WREG32_SOC15(MMHUB, 0, mmPCTL1_MISC, pctl1_misc);
415
416 /* Write data used to access ram of register engine */
417 for (i = 0; i < PCTL1_DATA_LEN; i++) {
418 WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_RAM_INDEX,
419 pctl1_data[i].index);
420 WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_RAM_DATA,
421 pctl1_data[i].data);
422 }
423
c8553f4b
YZ		 424 /* Re-enable light sleep */
425 pctl1_misc |= PCTL1_MISC__RENG_MEM_LS_ENABLE_MASK;
426 WREG32_SOC15(MMHUB, 0, mmPCTL1_MISC, pctl1_misc);
427
428 mmhub_v1_0_power_gating_write_save_ranges(adev);
429
430 /* Set the reng execute end ptr for pctl0 */
431 pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute,
432 PCTL0_RENG_EXECUTE,
433 RENG_EXECUTE_END_PTR,
434 PCTL0_RENG_EXEC_END_PTR);
435 WREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE, pctl0_reng_execute);
436
2fcd43ce
HZ		 437 /* Set the reng execute end ptr for pctl1 */
438 pctl1_reng_execute = REG_SET_FIELD(pctl1_reng_execute,
439 PCTL1_RENG_EXECUTE,
440 RENG_EXECUTE_END_PTR,
441 PCTL1_RENG_EXEC_END_PTR);
442 WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE, pctl1_reng_execute);
2fcd43ce
HZ		 443}
444
a95890b4
HZ		 445void mmhub_v1_0_update_power_gating(struct amdgpu_device *adev,
446 bool enable)
447{
448 uint32_t pctl0_reng_execute = 0;
449 uint32_t pctl1_reng_execute = 0;
450
451 if (amdgpu_sriov_vf(adev))
452 return;
453
454 pctl0_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE);
455 pctl1_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE);
456
f8386b35 457 if (enable && adev->pg_flags & AMD_PG_SUPPORT_MMHUB) {
a95890b4
HZ		 458 pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute,
459 PCTL0_RENG_EXECUTE,
460 RENG_EXECUTE_ON_PWR_UP, 1);
461 pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute,
462 PCTL0_RENG_EXECUTE,
463 RENG_EXECUTE_ON_REG_UPDATE, 1);
464 WREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE, pctl0_reng_execute);
465
466 pctl1_reng_execute = REG_SET_FIELD(pctl1_reng_execute,
467 PCTL1_RENG_EXECUTE,
468 RENG_EXECUTE_ON_PWR_UP, 1);
469 pctl1_reng_execute = REG_SET_FIELD(pctl1_reng_execute,
470 PCTL1_RENG_EXECUTE,
471 RENG_EXECUTE_ON_REG_UPDATE, 1);
472 WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE, pctl1_reng_execute);
473
a8da8ff3
RZ		 474 if (adev->powerplay.pp_funcs->powergate_mmhub)
475 amdgpu_dpm_powergate_mmhub(adev);
7e452ce9 476
a95890b4
HZ		 477 } else {
478 pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute,
479 PCTL0_RENG_EXECUTE,
480 RENG_EXECUTE_ON_PWR_UP, 0);
481 pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute,
482 PCTL0_RENG_EXECUTE,
483 RENG_EXECUTE_ON_REG_UPDATE, 0);
484 WREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE, pctl0_reng_execute);
485
486 pctl1_reng_execute = REG_SET_FIELD(pctl1_reng_execute,
487 PCTL1_RENG_EXECUTE,
488 RENG_EXECUTE_ON_PWR_UP, 0);
489 pctl1_reng_execute = REG_SET_FIELD(pctl1_reng_execute,
490 PCTL1_RENG_EXECUTE,
491 RENG_EXECUTE_ON_REG_UPDATE, 0);
492 WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE, pctl1_reng_execute);
493 }
494}
495
3dff4cc4
HR		 496int mmhub_v1_0_gart_enable(struct amdgpu_device *adev)
497{
498 if (amdgpu_sriov_vf(adev)) {
499 /*
500 * MC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are
501 * VF copy registers so vbios post doesn't program them, for
502 * SRIOV driver need to program them
503 */
2a419183 504 WREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_BASE,
770d13b1 505 adev->gmc.vram_start >> 24);
2a419183 506 WREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_TOP,
770d13b1 507 adev->gmc.vram_end >> 24);
3dff4cc4
HR		 508 }
509
510 /* GART Enable. */
511 mmhub_v1_0_init_gart_aperture_regs(adev);
512 mmhub_v1_0_init_system_aperture_regs(adev);
513 mmhub_v1_0_init_tlb_regs(adev);
514 mmhub_v1_0_init_cache_regs(adev);
515
516 mmhub_v1_0_enable_system_domain(adev);
517 mmhub_v1_0_disable_identity_aperture(adev);
518 mmhub_v1_0_setup_vmid_config(adev);
1e4eccda 519 mmhub_v1_0_program_invalidation(adev);
e60f8db5
AX		 520
521 return 0;
522}
523
524void mmhub_v1_0_gart_disable(struct amdgpu_device *adev)
525{
526 u32 tmp;
527 u32 i;
528
529 /* Disable all tables */
530 for (i = 0; i < 16; i++)
deca8322 531 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL, i, 0);
e60f8db5
AX		 532
533 /* Setup TLB control */
2a419183 534 tmp = RREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL);
e60f8db5
AX		 535 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
536 tmp = REG_SET_FIELD(tmp,
537 MC_VM_MX_L1_TLB_CNTL,
538 ENABLE_ADVANCED_DRIVER_MODEL,
539 0);
2a419183 540 WREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
e60f8db5
AX		 541
542 /* Setup L2 cache */
2a419183 543 tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL);
e60f8db5 544 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
2a419183
HR		 545 WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL, tmp);
546 WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, 0);
e60f8db5
AX		 547}
548
549/**
550 * mmhub_v1_0_set_fault_enable_default - update GART/VM fault handling
551 *
552 * @adev: amdgpu_device pointer
553 * @value: true redirects VM faults to the default page
554 */
555void mmhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev, bool value)
556{
557 u32 tmp;
2a419183 558 tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
e60f8db5
AX		 559 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
560 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
561 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
562 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
563 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
564 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
565 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
566 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
567 tmp = REG_SET_FIELD(tmp,
568 VM_L2_PROTECTION_FAULT_CNTL,
569 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
570 value);
571 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
572 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
573 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
574 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
575 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
576 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
577 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
578 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
579 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
580 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
581 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
582 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
4bd9a67e
ML		 583 if (!value) {
584 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
585 CRASH_ON_NO_RETRY_FAULT, 1);
586 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
587 CRASH_ON_RETRY_FAULT, 1);
588 }
589
2a419183 590 WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp);
e60f8db5
AX		 591}
592
77f6c763 593void mmhub_v1_0_init(struct amdgpu_device *adev)
e60f8db5 594{
e60f8db5
AX		 595 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB];
596
597 hub->ctx0_ptb_addr_lo32 =
598 SOC15_REG_OFFSET(MMHUB, 0,
599 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
600 hub->ctx0_ptb_addr_hi32 =
601 SOC15_REG_OFFSET(MMHUB, 0,
602 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
603 hub->vm_inv_eng0_req =
604 SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_REQ);
605 hub->vm_inv_eng0_ack =
606 SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ACK);
607 hub->vm_context0_cntl =
608 SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL);
609 hub->vm_l2_pro_fault_status =
610 SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_STATUS);
611 hub->vm_l2_pro_fault_cntl =
612 SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
613
77f6c763
HR		 614}
615
e60f8db5
AX		 616static void mmhub_v1_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
617 bool enable)
618{
2547a7aa 619 uint32_t def, data, def1, data1, def2 = 0, data2 = 0;
e60f8db5 620
2a419183 621 def = data = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG);
2547a7aa
HR		 622
623 if (adev->asic_type != CHIP_RAVEN) {
2a419183
HR		 624 def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2);
625 def2 = data2 = RREG32_SOC15(MMHUB, 0, mmDAGB1_CNTL_MISC2);
2547a7aa 626 } else
2a419183 627 def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_RV);
e60f8db5
AX		 628
629 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
630 data |= ATC_L2_MISC_CG__ENABLE_MASK;
631
632 data1 &= ~(DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
633 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
634 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
635 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
636 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
637 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
638
2547a7aa
HR		 639 if (adev->asic_type != CHIP_RAVEN)
640 data2 &= ~(DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
641 DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
642 DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
643 DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
644 DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
645 DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
e60f8db5
AX		 646 } else {
647 data &= ~ATC_L2_MISC_CG__ENABLE_MASK;
648
649 data1 |= (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
650 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
651 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
652 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
653 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
654 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
655
2547a7aa
HR		 656 if (adev->asic_type != CHIP_RAVEN)
657 data2 |= (DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
658 DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
659 DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
660 DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
661 DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
662 DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
e60f8db5
AX		 663 }
664
665 if (def != data)
2a419183 666 WREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG, data);
e60f8db5 667
2547a7aa
HR		 668 if (def1 != data1) {
669 if (adev->asic_type != CHIP_RAVEN)
2a419183 670 WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2, data1);
2547a7aa 671 else
2a419183 672 WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_RV, data1);
2547a7aa 673 }
e60f8db5 674
2547a7aa 675 if (adev->asic_type != CHIP_RAVEN && def2 != data2)
2a419183 676 WREG32_SOC15(MMHUB, 0, mmDAGB1_CNTL_MISC2, data2);
e60f8db5
AX		 677}
678
679static void athub_update_medium_grain_clock_gating(struct amdgpu_device *adev,
680 bool enable)
681{
682 uint32_t def, data;
683
2a419183 684 def = data = RREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL);
e60f8db5
AX		 685
686 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG))
687 data |= ATHUB_MISC_CNTL__CG_ENABLE_MASK;
688 else
689 data &= ~ATHUB_MISC_CNTL__CG_ENABLE_MASK;
690
691 if (def != data)
2a419183 692 WREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL, data);
e60f8db5
AX		 693}
694
695static void mmhub_v1_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
696 bool enable)
697{
698 uint32_t def, data;
699
2a419183 700 def = data = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG);
e60f8db5
AX		 701
702 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
703 data |= ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
704 else
705 data &= ~ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
706
707 if (def != data)
2a419183 708 WREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG, data);
e60f8db5
AX		 709}
710
711static void athub_update_medium_grain_light_sleep(struct amdgpu_device *adev,
712 bool enable)
713{
714 uint32_t def, data;
715
2a419183 716 def = data = RREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL);
e60f8db5
AX		 717
718 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS) &&
719 (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
720 data |= ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
721 else
722 data &= ~ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
723
724 if(def != data)
2a419183 725 WREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL, data);
e60f8db5
AX		 726}
727
d5583d4f
HR		 728int mmhub_v1_0_set_clockgating(struct amdgpu_device *adev,
729 enum amd_clockgating_state state)
e60f8db5 730{
98c24b24
XY		 731 if (amdgpu_sriov_vf(adev))
732 return 0;
733
e60f8db5
AX		 734 switch (adev->asic_type) {
735 case CHIP_VEGA10:
f8d27677 736 case CHIP_VEGA12:
c2d7fd2b 737 case CHIP_VEGA20:
2547a7aa 738 case CHIP_RAVEN:
e60f8db5
AX		 739 mmhub_v1_0_update_medium_grain_clock_gating(adev,
740 state == AMD_CG_STATE_GATE ? true : false);
741 athub_update_medium_grain_clock_gating(adev,
742 state == AMD_CG_STATE_GATE ? true : false);
743 mmhub_v1_0_update_medium_grain_light_sleep(adev,
744 state == AMD_CG_STATE_GATE ? true : false);
745 athub_update_medium_grain_light_sleep(adev,
746 state == AMD_CG_STATE_GATE ? true : false);
747 break;
748 default:
749 break;
750 }
751
752 return 0;
753}
754
13052be5 755void mmhub_v1_0_get_clockgating(struct amdgpu_device *adev, u32 *flags)
e2a4cd69 756{
e2a4cd69
HR		 757 int data;
758
759 if (amdgpu_sriov_vf(adev))
760 *flags = 0;
761
762 /* AMD_CG_SUPPORT_MC_MGCG */
2a419183 763 data = RREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL);
e2a4cd69
HR		 764 if (data & ATHUB_MISC_CNTL__CG_ENABLE_MASK)
765 *flags |= AMD_CG_SUPPORT_MC_MGCG;
766
767 /* AMD_CG_SUPPORT_MC_LS */
2a419183 768 data = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG);
e2a4cd69
HR		 769 if (data & ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK)
770 *flags |= AMD_CG_SUPPORT_MC_LS;
771}
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