1 /* 2 * Copyright 2020 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 "amdgpu_atombios.h" 25 #include "nbio_v7_2.h" 26 27 #include "nbio/nbio_7_2_0_offset.h" 28 #include "nbio/nbio_7_2_0_sh_mask.h" 29 #include <uapi/linux/kfd_ioctl.h> 30 31 #define regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0_YC 0x0015 32 #define regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0_YC_BASE_IDX 2 33 #define regBIF_BX0_BIF_FB_EN_YC 0x0100 34 #define regBIF_BX0_BIF_FB_EN_YC_BASE_IDX 2 35 #define regBIF1_PCIE_MST_CTRL_3 0x4601c6 36 #define regBIF1_PCIE_MST_CTRL_3_BASE_IDX 5 37 #define BIF1_PCIE_MST_CTRL_3__CI_SWUS_MAX_READ_REQUEST_SIZE_MODE__SHIFT \ 38 0x1b 39 #define BIF1_PCIE_MST_CTRL_3__CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV__SHIFT \ 40 0x1c 41 #define BIF1_PCIE_MST_CTRL_3__CI_SWUS_MAX_READ_REQUEST_SIZE_MODE_MASK \ 42 0x08000000L 43 #define BIF1_PCIE_MST_CTRL_3__CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV_MASK \ 44 0x30000000L 45 #define regBIF1_PCIE_TX_POWER_CTRL_1 0x460187 46 #define regBIF1_PCIE_TX_POWER_CTRL_1_BASE_IDX 5 47 #define BIF1_PCIE_TX_POWER_CTRL_1__MST_MEM_LS_EN_MASK 0x00000001L 48 #define BIF1_PCIE_TX_POWER_CTRL_1__REPLAY_MEM_LS_EN_MASK 0x00000008L 49 50 static void nbio_v7_2_remap_hdp_registers(struct amdgpu_device *adev) 51 { 52 WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL, 53 adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL); 54 WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_REG_FLUSH_CNTL, 55 adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL); 56 } 57 58 static u32 nbio_v7_2_get_rev_id(struct amdgpu_device *adev) 59 { 60 u32 tmp; 61 62 switch (amdgpu_ip_version(adev, NBIO_HWIP, 0)) { 63 case IP_VERSION(7, 2, 1): 64 case IP_VERSION(7, 3, 0): 65 case IP_VERSION(7, 5, 0): 66 tmp = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0_YC); 67 break; 68 default: 69 tmp = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0); 70 break; 71 } 72 73 tmp &= RCC_STRAP0_RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0_MASK; 74 tmp >>= RCC_STRAP0_RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0__SHIFT; 75 76 return tmp; 77 } 78 79 static void nbio_v7_2_mc_access_enable(struct amdgpu_device *adev, bool enable) 80 { 81 switch (amdgpu_ip_version(adev, NBIO_HWIP, 0)) { 82 case IP_VERSION(7, 2, 1): 83 case IP_VERSION(7, 3, 0): 84 case IP_VERSION(7, 5, 0): 85 if (enable) 86 WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN_YC, 87 BIF_BX0_BIF_FB_EN__FB_READ_EN_MASK | 88 BIF_BX0_BIF_FB_EN__FB_WRITE_EN_MASK); 89 else 90 WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN_YC, 0); 91 break; 92 default: 93 if (enable) 94 WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN, 95 BIF_BX0_BIF_FB_EN__FB_READ_EN_MASK | 96 BIF_BX0_BIF_FB_EN__FB_WRITE_EN_MASK); 97 else 98 WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN, 0); 99 break; 100 } 101 } 102 103 static u32 nbio_v7_2_get_memsize(struct amdgpu_device *adev) 104 { 105 return RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_0_RCC_CONFIG_MEMSIZE); 106 } 107 108 static void nbio_v7_2_sdma_doorbell_range(struct amdgpu_device *adev, int instance, 109 bool use_doorbell, int doorbell_index, 110 int doorbell_size) 111 { 112 u32 reg = SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_SDMA0_DOORBELL_RANGE); 113 u32 doorbell_range = RREG32_PCIE_PORT(reg); 114 115 if (use_doorbell) { 116 doorbell_range = REG_SET_FIELD(doorbell_range, 117 GDC0_BIF_SDMA0_DOORBELL_RANGE, 118 OFFSET, doorbell_index); 119 doorbell_range = REG_SET_FIELD(doorbell_range, 120 GDC0_BIF_SDMA0_DOORBELL_RANGE, 121 SIZE, doorbell_size); 122 } else { 123 doorbell_range = REG_SET_FIELD(doorbell_range, 124 GDC0_BIF_SDMA0_DOORBELL_RANGE, 125 SIZE, 0); 126 } 127 128 WREG32_PCIE_PORT(reg, doorbell_range); 129 } 130 131 static void nbio_v7_2_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell, 132 int doorbell_index, int instance) 133 { 134 u32 reg = SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_VCN0_DOORBELL_RANGE); 135 u32 doorbell_range = RREG32_PCIE_PORT(reg); 136 137 if (use_doorbell) { 138 doorbell_range = REG_SET_FIELD(doorbell_range, 139 GDC0_BIF_VCN0_DOORBELL_RANGE, OFFSET, 140 doorbell_index); 141 doorbell_range = REG_SET_FIELD(doorbell_range, 142 GDC0_BIF_VCN0_DOORBELL_RANGE, SIZE, 8); 143 } else { 144 doorbell_range = REG_SET_FIELD(doorbell_range, 145 GDC0_BIF_VCN0_DOORBELL_RANGE, SIZE, 0); 146 } 147 148 WREG32_PCIE_PORT(reg, doorbell_range); 149 } 150 151 static void nbio_v7_2_enable_doorbell_aperture(struct amdgpu_device *adev, 152 bool enable) 153 { 154 u32 reg; 155 156 reg = RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_0_RCC_DOORBELL_APER_EN); 157 reg = REG_SET_FIELD(reg, RCC_DEV0_EPF0_0_RCC_DOORBELL_APER_EN, 158 BIF_DOORBELL_APER_EN, enable ? 1 : 0); 159 160 WREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_0_RCC_DOORBELL_APER_EN, reg); 161 } 162 163 static void nbio_v7_2_enable_doorbell_selfring_aperture(struct amdgpu_device *adev, 164 bool enable) 165 { 166 u32 tmp = 0; 167 168 if (enable) { 169 tmp = REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, 170 DOORBELL_SELFRING_GPA_APER_EN, 1) | 171 REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, 172 DOORBELL_SELFRING_GPA_APER_MODE, 1) | 173 REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, 174 DOORBELL_SELFRING_GPA_APER_SIZE, 0); 175 176 WREG32_SOC15(NBIO, 0, 177 regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_LOW, 178 lower_32_bits(adev->doorbell.base)); 179 WREG32_SOC15(NBIO, 0, 180 regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_HIGH, 181 upper_32_bits(adev->doorbell.base)); 182 } 183 184 WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, 185 tmp); 186 } 187 188 189 static void nbio_v7_2_ih_doorbell_range(struct amdgpu_device *adev, 190 bool use_doorbell, int doorbell_index) 191 { 192 u32 ih_doorbell_range = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_IH_DOORBELL_RANGE)); 193 194 if (use_doorbell) { 195 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, 196 GDC0_BIF_IH_DOORBELL_RANGE, OFFSET, 197 doorbell_index); 198 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, 199 GDC0_BIF_IH_DOORBELL_RANGE, SIZE, 200 2); 201 } else { 202 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, 203 GDC0_BIF_IH_DOORBELL_RANGE, SIZE, 204 0); 205 } 206 207 WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_IH_DOORBELL_RANGE), 208 ih_doorbell_range); 209 } 210 211 static void nbio_v7_2_ih_control(struct amdgpu_device *adev) 212 { 213 u32 interrupt_cntl; 214 215 /* setup interrupt control */ 216 WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL2, 217 adev->dummy_page_addr >> 8); 218 219 interrupt_cntl = RREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL); 220 /* 221 * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi 222 * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN 223 */ 224 interrupt_cntl = REG_SET_FIELD(interrupt_cntl, BIF_BX0_INTERRUPT_CNTL, 225 IH_DUMMY_RD_OVERRIDE, 0); 226 227 /* INTERRUPT_CNTL__IH_REQ_NONSNOOP_EN_MASK=1 if ring is in non-cacheable memory, e.g., vram */ 228 interrupt_cntl = REG_SET_FIELD(interrupt_cntl, BIF_BX0_INTERRUPT_CNTL, 229 IH_REQ_NONSNOOP_EN, 0); 230 231 WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL, interrupt_cntl); 232 } 233 234 static void nbio_v7_2_update_medium_grain_clock_gating(struct amdgpu_device *adev, 235 bool enable) 236 { 237 uint32_t def, data; 238 239 def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regCPM_CONTROL)); 240 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_MGCG)) { 241 data |= (CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK | 242 CPM_CONTROL__TXCLK_DYN_GATE_ENABLE_MASK | 243 CPM_CONTROL__TXCLK_LCNT_GATE_ENABLE_MASK | 244 CPM_CONTROL__TXCLK_REGS_GATE_ENABLE_MASK | 245 CPM_CONTROL__TXCLK_PRBS_GATE_ENABLE_MASK | 246 CPM_CONTROL__REFCLK_REGS_GATE_ENABLE_MASK); 247 } else { 248 data &= ~(CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK | 249 CPM_CONTROL__TXCLK_DYN_GATE_ENABLE_MASK | 250 CPM_CONTROL__TXCLK_LCNT_GATE_ENABLE_MASK | 251 CPM_CONTROL__TXCLK_REGS_GATE_ENABLE_MASK | 252 CPM_CONTROL__TXCLK_PRBS_GATE_ENABLE_MASK | 253 CPM_CONTROL__REFCLK_REGS_GATE_ENABLE_MASK); 254 } 255 256 if (def != data) 257 WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regCPM_CONTROL), data); 258 } 259 260 static void nbio_v7_2_update_medium_grain_light_sleep(struct amdgpu_device *adev, 261 bool enable) 262 { 263 uint32_t def, data; 264 265 switch (amdgpu_ip_version(adev, NBIO_HWIP, 0)) { 266 case IP_VERSION(7, 2, 1): 267 case IP_VERSION(7, 3, 0): 268 case IP_VERSION(7, 5, 0): 269 def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CNTL2)); 270 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) 271 data |= PCIE_CNTL2__SLV_MEM_LS_EN_MASK; 272 else 273 data &= ~PCIE_CNTL2__SLV_MEM_LS_EN_MASK; 274 275 if (def != data) 276 WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CNTL2), data); 277 278 def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, 279 regBIF1_PCIE_TX_POWER_CTRL_1)); 280 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) 281 data |= (BIF1_PCIE_TX_POWER_CTRL_1__MST_MEM_LS_EN_MASK | 282 BIF1_PCIE_TX_POWER_CTRL_1__REPLAY_MEM_LS_EN_MASK); 283 else 284 data &= ~(BIF1_PCIE_TX_POWER_CTRL_1__MST_MEM_LS_EN_MASK | 285 BIF1_PCIE_TX_POWER_CTRL_1__REPLAY_MEM_LS_EN_MASK); 286 287 if (def != data) 288 WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regBIF1_PCIE_TX_POWER_CTRL_1), 289 data); 290 break; 291 default: 292 def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CNTL2)); 293 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) 294 data |= (PCIE_CNTL2__SLV_MEM_LS_EN_MASK | 295 PCIE_CNTL2__MST_MEM_LS_EN_MASK | 296 PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK); 297 else 298 data &= ~(PCIE_CNTL2__SLV_MEM_LS_EN_MASK | 299 PCIE_CNTL2__MST_MEM_LS_EN_MASK | 300 PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK); 301 302 if (def != data) 303 WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CNTL2), data); 304 break; 305 } 306 } 307 308 static void nbio_v7_2_get_clockgating_state(struct amdgpu_device *adev, 309 u64 *flags) 310 { 311 int data; 312 313 /* AMD_CG_SUPPORT_BIF_MGCG */ 314 data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regCPM_CONTROL)); 315 if (data & CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK) 316 *flags |= AMD_CG_SUPPORT_BIF_MGCG; 317 318 /* AMD_CG_SUPPORT_BIF_LS */ 319 data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CNTL2)); 320 if (data & PCIE_CNTL2__SLV_MEM_LS_EN_MASK) 321 *flags |= AMD_CG_SUPPORT_BIF_LS; 322 } 323 324 static u32 nbio_v7_2_get_hdp_flush_req_offset(struct amdgpu_device *adev) 325 { 326 return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_REQ); 327 } 328 329 static u32 nbio_v7_2_get_hdp_flush_done_offset(struct amdgpu_device *adev) 330 { 331 return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_DONE); 332 } 333 334 static u32 nbio_v7_2_get_pcie_index_offset(struct amdgpu_device *adev) 335 { 336 return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_INDEX2); 337 } 338 339 static u32 nbio_v7_2_get_pcie_data_offset(struct amdgpu_device *adev) 340 { 341 return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_DATA2); 342 } 343 344 static u32 nbio_v7_2_get_pcie_port_index_offset(struct amdgpu_device *adev) 345 { 346 return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_RSMU_INDEX); 347 } 348 349 static u32 nbio_v7_2_get_pcie_port_data_offset(struct amdgpu_device *adev) 350 { 351 return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_RSMU_DATA); 352 } 353 354 const struct nbio_hdp_flush_reg nbio_v7_2_hdp_flush_reg = { 355 .ref_and_mask_cp0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP0_MASK, 356 .ref_and_mask_cp1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP1_MASK, 357 .ref_and_mask_cp2 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP2_MASK, 358 .ref_and_mask_cp3 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP3_MASK, 359 .ref_and_mask_cp4 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP4_MASK, 360 .ref_and_mask_cp5 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP5_MASK, 361 .ref_and_mask_cp6 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP6_MASK, 362 .ref_and_mask_cp7 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP7_MASK, 363 .ref_and_mask_cp8 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP8_MASK, 364 .ref_and_mask_cp9 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP9_MASK, 365 .ref_and_mask_sdma0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA0_MASK, 366 .ref_and_mask_sdma1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA1_MASK, 367 }; 368 369 static void nbio_v7_2_init_registers(struct amdgpu_device *adev) 370 { 371 uint32_t def, data; 372 switch (amdgpu_ip_version(adev, NBIO_HWIP, 0)) { 373 case IP_VERSION(7, 2, 1): 374 case IP_VERSION(7, 3, 0): 375 case IP_VERSION(7, 5, 0): 376 def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regBIF1_PCIE_MST_CTRL_3)); 377 data = REG_SET_FIELD(data, BIF1_PCIE_MST_CTRL_3, 378 CI_SWUS_MAX_READ_REQUEST_SIZE_MODE, 1); 379 data = REG_SET_FIELD(data, BIF1_PCIE_MST_CTRL_3, 380 CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV, 1); 381 382 if (def != data) 383 WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regBIF1_PCIE_MST_CTRL_3), data); 384 break; 385 default: 386 def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CONFIG_CNTL)); 387 data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL, 388 CI_SWUS_MAX_READ_REQUEST_SIZE_MODE, 1); 389 data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL, 390 CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV, 1); 391 392 if (def != data) 393 WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CONFIG_CNTL), data); 394 break; 395 } 396 397 switch (amdgpu_ip_version(adev, NBIO_HWIP, 0)) { 398 case IP_VERSION(7, 3, 0): 399 case IP_VERSION(7, 5, 1): 400 data = RREG32_SOC15(NBIO, 0, regRCC_DEV2_EPF0_STRAP2); 401 data &= ~RCC_DEV2_EPF0_STRAP2__STRAP_NO_SOFT_RESET_DEV2_F0_MASK; 402 WREG32_SOC15(NBIO, 0, regRCC_DEV2_EPF0_STRAP2, data); 403 break; 404 } 405 } 406 407 #define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE) 408 409 static void nbio_v7_2_set_reg_remap(struct amdgpu_device *adev) 410 { 411 if (!amdgpu_sriov_vf(adev) && (PAGE_SIZE <= 4096)) { 412 adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET; 413 adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET; 414 } else { 415 adev->rmmio_remap.reg_offset = 416 SOC15_REG_OFFSET(NBIO, 0, 417 regBIF_BX_PF0_HDP_MEM_COHERENCY_FLUSH_CNTL) << 2; 418 adev->rmmio_remap.bus_addr = 0; 419 } 420 } 421 422 const struct amdgpu_nbio_funcs nbio_v7_2_funcs = { 423 .get_hdp_flush_req_offset = nbio_v7_2_get_hdp_flush_req_offset, 424 .get_hdp_flush_done_offset = nbio_v7_2_get_hdp_flush_done_offset, 425 .get_pcie_index_offset = nbio_v7_2_get_pcie_index_offset, 426 .get_pcie_data_offset = nbio_v7_2_get_pcie_data_offset, 427 .get_pcie_port_index_offset = nbio_v7_2_get_pcie_port_index_offset, 428 .get_pcie_port_data_offset = nbio_v7_2_get_pcie_port_data_offset, 429 .get_rev_id = nbio_v7_2_get_rev_id, 430 .mc_access_enable = nbio_v7_2_mc_access_enable, 431 .get_memsize = nbio_v7_2_get_memsize, 432 .sdma_doorbell_range = nbio_v7_2_sdma_doorbell_range, 433 .vcn_doorbell_range = nbio_v7_2_vcn_doorbell_range, 434 .enable_doorbell_aperture = nbio_v7_2_enable_doorbell_aperture, 435 .enable_doorbell_selfring_aperture = nbio_v7_2_enable_doorbell_selfring_aperture, 436 .ih_doorbell_range = nbio_v7_2_ih_doorbell_range, 437 .update_medium_grain_clock_gating = nbio_v7_2_update_medium_grain_clock_gating, 438 .update_medium_grain_light_sleep = nbio_v7_2_update_medium_grain_light_sleep, 439 .get_clockgating_state = nbio_v7_2_get_clockgating_state, 440 .ih_control = nbio_v7_2_ih_control, 441 .init_registers = nbio_v7_2_init_registers, 442 .remap_hdp_registers = nbio_v7_2_remap_hdp_registers, 443 .set_reg_remap = nbio_v7_2_set_reg_remap, 444 }; 445