| /* |
| * Copyright 2016 Advanced Micro Devices, Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| */ |
| #include "amdgpu.h" |
| #include "amdgpu_atombios.h" |
| #include "nbio_v7_0.h" |
| |
| #include "nbio/nbio_7_0_default.h" |
| #include "nbio/nbio_7_0_offset.h" |
| #include "nbio/nbio_7_0_sh_mask.h" |
| #include "vega10_enum.h" |
| |
| #define smnNBIF_MGCG_CTRL_LCLK 0x1013a05c |
| |
| #define smnCPM_CONTROL 0x11180460 |
| #define smnPCIE_CNTL2 0x11180070 |
| |
| static u32 nbio_v7_0_get_rev_id(struct amdgpu_device *adev) |
| { |
| u32 tmp = RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_STRAP0); |
| |
| tmp &= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0_MASK; |
| tmp >>= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0__SHIFT; |
| |
| return tmp; |
| } |
| |
| static void nbio_v7_0_mc_access_enable(struct amdgpu_device *adev, bool enable) |
| { |
| if (enable) |
| WREG32_SOC15(NBIO, 0, mmBIF_FB_EN, |
| BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK); |
| else |
| WREG32_SOC15(NBIO, 0, mmBIF_FB_EN, 0); |
| } |
| |
| static void nbio_v7_0_hdp_flush(struct amdgpu_device *adev, |
| struct amdgpu_ring *ring) |
| { |
| if (!ring || !ring->funcs->emit_wreg) |
| WREG32_SOC15_NO_KIQ(NBIO, 0, mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0); |
| else |
| amdgpu_ring_emit_wreg(ring, SOC15_REG_OFFSET( |
| NBIO, 0, mmHDP_MEM_COHERENCY_FLUSH_CNTL), 0); |
| } |
| |
| static u32 nbio_v7_0_get_memsize(struct amdgpu_device *adev) |
| { |
| return RREG32_SOC15(NBIO, 0, mmRCC_CONFIG_MEMSIZE); |
| } |
| |
| static void nbio_v7_0_sdma_doorbell_range(struct amdgpu_device *adev, int instance, |
| bool use_doorbell, int doorbell_index) |
| { |
| u32 reg = instance == 0 ? SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA0_DOORBELL_RANGE) : |
| SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA1_DOORBELL_RANGE); |
| |
| u32 doorbell_range = RREG32(reg); |
| |
| if (use_doorbell) { |
| doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, OFFSET, doorbell_index); |
| doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, 2); |
| } else |
| doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, 0); |
| |
| WREG32(reg, doorbell_range); |
| } |
| |
| static void nbio_v7_0_enable_doorbell_aperture(struct amdgpu_device *adev, |
| bool enable) |
| { |
| WREG32_FIELD15(NBIO, 0, RCC_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, enable ? 1 : 0); |
| } |
| |
| static void nbio_v7_0_enable_doorbell_selfring_aperture(struct amdgpu_device *adev, |
| bool enable) |
| { |
| |
| } |
| |
| static void nbio_v7_0_ih_doorbell_range(struct amdgpu_device *adev, |
| bool use_doorbell, int doorbell_index) |
| { |
| u32 ih_doorbell_range = RREG32_SOC15(NBIO, 0 , mmBIF_IH_DOORBELL_RANGE); |
| |
| if (use_doorbell) { |
| ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, OFFSET, doorbell_index); |
| ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 2); |
| } else |
| ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 0); |
| |
| WREG32_SOC15(NBIO, 0, mmBIF_IH_DOORBELL_RANGE, ih_doorbell_range); |
| } |
| |
| static uint32_t nbio_7_0_read_syshub_ind_mmr(struct amdgpu_device *adev, uint32_t offset) |
| { |
| uint32_t data; |
| |
| WREG32_SOC15(NBIO, 0, mmSYSHUB_INDEX, offset); |
| data = RREG32_SOC15(NBIO, 0, mmSYSHUB_DATA); |
| |
| return data; |
| } |
| |
| static void nbio_7_0_write_syshub_ind_mmr(struct amdgpu_device *adev, uint32_t offset, |
| uint32_t data) |
| { |
| WREG32_SOC15(NBIO, 0, mmSYSHUB_INDEX, offset); |
| WREG32_SOC15(NBIO, 0, mmSYSHUB_DATA, data); |
| } |
| |
| static void nbio_v7_0_update_medium_grain_clock_gating(struct amdgpu_device *adev, |
| bool enable) |
| { |
| uint32_t def, data; |
| |
| /* NBIF_MGCG_CTRL_LCLK */ |
| def = data = RREG32_PCIE(smnNBIF_MGCG_CTRL_LCLK); |
| |
| if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_MGCG)) |
| data |= NBIF_MGCG_CTRL_LCLK__NBIF_MGCG_EN_LCLK_MASK; |
| else |
| data &= ~NBIF_MGCG_CTRL_LCLK__NBIF_MGCG_EN_LCLK_MASK; |
| |
| if (def != data) |
| WREG32_PCIE(smnNBIF_MGCG_CTRL_LCLK, data); |
| |
| /* SYSHUB_MGCG_CTRL_SOCCLK */ |
| def = data = nbio_7_0_read_syshub_ind_mmr(adev, ixSYSHUB_MMREG_IND_SYSHUB_MGCG_CTRL_SOCCLK); |
| |
| if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_MGCG)) |
| data |= SYSHUB_MMREG_DIRECT_SYSHUB_MGCG_CTRL_SOCCLK__SYSHUB_MGCG_EN_SOCCLK_MASK; |
| else |
| data &= ~SYSHUB_MMREG_DIRECT_SYSHUB_MGCG_CTRL_SOCCLK__SYSHUB_MGCG_EN_SOCCLK_MASK; |
| |
| if (def != data) |
| nbio_7_0_write_syshub_ind_mmr(adev, ixSYSHUB_MMREG_IND_SYSHUB_MGCG_CTRL_SOCCLK, data); |
| |
| /* SYSHUB_MGCG_CTRL_SHUBCLK */ |
| def = data = nbio_7_0_read_syshub_ind_mmr(adev, ixSYSHUB_MMREG_IND_SYSHUB_MGCG_CTRL_SHUBCLK); |
| |
| if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_MGCG)) |
| data |= SYSHUB_MMREG_DIRECT_SYSHUB_MGCG_CTRL_SHUBCLK__SYSHUB_MGCG_EN_SHUBCLK_MASK; |
| else |
| data &= ~SYSHUB_MMREG_DIRECT_SYSHUB_MGCG_CTRL_SHUBCLK__SYSHUB_MGCG_EN_SHUBCLK_MASK; |
| |
| if (def != data) |
| nbio_7_0_write_syshub_ind_mmr(adev, ixSYSHUB_MMREG_IND_SYSHUB_MGCG_CTRL_SHUBCLK, data); |
| } |
| |
| static void nbio_v7_0_update_medium_grain_light_sleep(struct amdgpu_device *adev, |
| bool enable) |
| { |
| uint32_t def, data; |
| |
| def = data = RREG32_PCIE(smnPCIE_CNTL2); |
| if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) { |
| data |= (PCIE_CNTL2__SLV_MEM_LS_EN_MASK | |
| PCIE_CNTL2__MST_MEM_LS_EN_MASK | |
| PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK); |
| } else { |
| data &= ~(PCIE_CNTL2__SLV_MEM_LS_EN_MASK | |
| PCIE_CNTL2__MST_MEM_LS_EN_MASK | |
| PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK); |
| } |
| |
| if (def != data) |
| WREG32_PCIE(smnPCIE_CNTL2, data); |
| } |
| |
| static void nbio_v7_0_get_clockgating_state(struct amdgpu_device *adev, |
| u32 *flags) |
| { |
| int data; |
| |
| /* AMD_CG_SUPPORT_BIF_MGCG */ |
| data = RREG32_PCIE(smnCPM_CONTROL); |
| if (data & CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK) |
| *flags |= AMD_CG_SUPPORT_BIF_MGCG; |
| |
| /* AMD_CG_SUPPORT_BIF_LS */ |
| data = RREG32_PCIE(smnPCIE_CNTL2); |
| if (data & PCIE_CNTL2__SLV_MEM_LS_EN_MASK) |
| *flags |= AMD_CG_SUPPORT_BIF_LS; |
| } |
| |
| static void nbio_v7_0_ih_control(struct amdgpu_device *adev) |
| { |
| u32 interrupt_cntl; |
| |
| /* setup interrupt control */ |
| WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL2, adev->dummy_page_addr >> 8); |
| interrupt_cntl = RREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL); |
| /* INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi |
| * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN |
| */ |
| interrupt_cntl = REG_SET_FIELD(interrupt_cntl, INTERRUPT_CNTL, IH_DUMMY_RD_OVERRIDE, 0); |
| /* INTERRUPT_CNTL__IH_REQ_NONSNOOP_EN_MASK=1 if ring is in non-cacheable memory, e.g., vram */ |
| interrupt_cntl = REG_SET_FIELD(interrupt_cntl, INTERRUPT_CNTL, IH_REQ_NONSNOOP_EN, 0); |
| WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL, interrupt_cntl); |
| } |
| |
| static u32 nbio_v7_0_get_hdp_flush_req_offset(struct amdgpu_device *adev) |
| { |
| return SOC15_REG_OFFSET(NBIO, 0, mmGPU_HDP_FLUSH_REQ); |
| } |
| |
| static u32 nbio_v7_0_get_hdp_flush_done_offset(struct amdgpu_device *adev) |
| { |
| return SOC15_REG_OFFSET(NBIO, 0, mmGPU_HDP_FLUSH_DONE); |
| } |
| |
| static u32 nbio_v7_0_get_pcie_index_offset(struct amdgpu_device *adev) |
| { |
| return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_INDEX2); |
| } |
| |
| static u32 nbio_v7_0_get_pcie_data_offset(struct amdgpu_device *adev) |
| { |
| return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_DATA2); |
| } |
| |
| const struct nbio_hdp_flush_reg nbio_v7_0_hdp_flush_reg = { |
| .ref_and_mask_cp0 = GPU_HDP_FLUSH_DONE__CP0_MASK, |
| .ref_and_mask_cp1 = GPU_HDP_FLUSH_DONE__CP1_MASK, |
| .ref_and_mask_cp2 = GPU_HDP_FLUSH_DONE__CP2_MASK, |
| .ref_and_mask_cp3 = GPU_HDP_FLUSH_DONE__CP3_MASK, |
| .ref_and_mask_cp4 = GPU_HDP_FLUSH_DONE__CP4_MASK, |
| .ref_and_mask_cp5 = GPU_HDP_FLUSH_DONE__CP5_MASK, |
| .ref_and_mask_cp6 = GPU_HDP_FLUSH_DONE__CP6_MASK, |
| .ref_and_mask_cp7 = GPU_HDP_FLUSH_DONE__CP7_MASK, |
| .ref_and_mask_cp8 = GPU_HDP_FLUSH_DONE__CP8_MASK, |
| .ref_and_mask_cp9 = GPU_HDP_FLUSH_DONE__CP9_MASK, |
| .ref_and_mask_sdma0 = GPU_HDP_FLUSH_DONE__SDMA0_MASK, |
| .ref_and_mask_sdma1 = GPU_HDP_FLUSH_DONE__SDMA1_MASK, |
| }; |
| |
| static void nbio_v7_0_detect_hw_virt(struct amdgpu_device *adev) |
| { |
| if (is_virtual_machine()) /* passthrough mode exclus sriov mod */ |
| adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE; |
| } |
| |
| static void nbio_v7_0_init_registers(struct amdgpu_device *adev) |
| { |
| |
| } |
| |
| const struct amdgpu_nbio_funcs nbio_v7_0_funcs = { |
| .hdp_flush_reg = &nbio_v7_0_hdp_flush_reg, |
| .get_hdp_flush_req_offset = nbio_v7_0_get_hdp_flush_req_offset, |
| .get_hdp_flush_done_offset = nbio_v7_0_get_hdp_flush_done_offset, |
| .get_pcie_index_offset = nbio_v7_0_get_pcie_index_offset, |
| .get_pcie_data_offset = nbio_v7_0_get_pcie_data_offset, |
| .get_rev_id = nbio_v7_0_get_rev_id, |
| .mc_access_enable = nbio_v7_0_mc_access_enable, |
| .hdp_flush = nbio_v7_0_hdp_flush, |
| .get_memsize = nbio_v7_0_get_memsize, |
| .sdma_doorbell_range = nbio_v7_0_sdma_doorbell_range, |
| .enable_doorbell_aperture = nbio_v7_0_enable_doorbell_aperture, |
| .enable_doorbell_selfring_aperture = nbio_v7_0_enable_doorbell_selfring_aperture, |
| .ih_doorbell_range = nbio_v7_0_ih_doorbell_range, |
| .update_medium_grain_clock_gating = nbio_v7_0_update_medium_grain_clock_gating, |
| .update_medium_grain_light_sleep = nbio_v7_0_update_medium_grain_light_sleep, |
| .get_clockgating_state = nbio_v7_0_get_clockgating_state, |
| .ih_control = nbio_v7_0_ih_control, |
| .init_registers = nbio_v7_0_init_registers, |
| .detect_hw_virt = nbio_v7_0_detect_hw_virt, |
| }; |