/* * Copyright 2020 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_2.h" #include "nbio/nbio_7_2_0_offset.h" #include "nbio/nbio_7_2_0_sh_mask.h" #include <uapi/linux/kfd_ioctl.h> #define regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0_YC 0x0015 #define regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0_YC_BASE_IDX 2 #define regBIF_BX0_BIF_FB_EN_YC 0x0100 #define regBIF_BX0_BIF_FB_EN_YC_BASE_IDX 2 #define regBIF1_PCIE_MST_CTRL_3 0x4601c6 #define regBIF1_PCIE_MST_CTRL_3_BASE_IDX 5 #define BIF1_PCIE_MST_CTRL_3__CI_SWUS_MAX_READ_REQUEST_SIZE_MODE__SHIFT \ 0x1b #define BIF1_PCIE_MST_CTRL_3__CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV__SHIFT \ 0x1c #define BIF1_PCIE_MST_CTRL_3__CI_SWUS_MAX_READ_REQUEST_SIZE_MODE_MASK \ 0x08000000L #define BIF1_PCIE_MST_CTRL_3__CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV_MASK \ 0x30000000L #define regBIF1_PCIE_TX_POWER_CTRL_1 0x460187 #define regBIF1_PCIE_TX_POWER_CTRL_1_BASE_IDX 5 #define BIF1_PCIE_TX_POWER_CTRL_1__MST_MEM_LS_EN_MASK 0x00000001L #define BIF1_PCIE_TX_POWER_CTRL_1__REPLAY_MEM_LS_EN_MASK 0x00000008L static void nbio_v7_2_remap_hdp_registers(struct amdgpu_device *adev) { WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL, adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL); WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_REG_FLUSH_CNTL, adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL); } static u32 nbio_v7_2_get_rev_id(struct amdgpu_device *adev) { u32 tmp; switch (adev->ip_versions[NBIO_HWIP][0]) { case IP_VERSION(7, 2, 1): case IP_VERSION(7, 3, 0): case IP_VERSION(7, 5, 0): tmp = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0_YC); break; default: tmp = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0); break; } tmp &= RCC_STRAP0_RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0_MASK; tmp >>= RCC_STRAP0_RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0__SHIFT; return tmp; } static void nbio_v7_2_mc_access_enable(struct amdgpu_device *adev, bool enable) { switch (adev->ip_versions[NBIO_HWIP][0]) { case IP_VERSION(7, 2, 1): case IP_VERSION(7, 3, 0): case IP_VERSION(7, 5, 0): if (enable) WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN_YC, BIF_BX0_BIF_FB_EN__FB_READ_EN_MASK | BIF_BX0_BIF_FB_EN__FB_WRITE_EN_MASK); else WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN_YC, 0); break; default: if (enable) WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN, BIF_BX0_BIF_FB_EN__FB_READ_EN_MASK | BIF_BX0_BIF_FB_EN__FB_WRITE_EN_MASK); else WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN, 0); break; } } static u32 nbio_v7_2_get_memsize(struct amdgpu_device *adev) { return RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_0_RCC_CONFIG_MEMSIZE); } static void nbio_v7_2_sdma_doorbell_range(struct amdgpu_device *adev, int instance, bool use_doorbell, int doorbell_index, int doorbell_size) { u32 reg = SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_SDMA0_DOORBELL_RANGE); u32 doorbell_range = RREG32_PCIE_PORT(reg); if (use_doorbell) { doorbell_range = REG_SET_FIELD(doorbell_range, GDC0_BIF_SDMA0_DOORBELL_RANGE, OFFSET, doorbell_index); doorbell_range = REG_SET_FIELD(doorbell_range, GDC0_BIF_SDMA0_DOORBELL_RANGE, SIZE, doorbell_size); } else { doorbell_range = REG_SET_FIELD(doorbell_range, GDC0_BIF_SDMA0_DOORBELL_RANGE, SIZE, 0); } WREG32_PCIE_PORT(reg, doorbell_range); } static void nbio_v7_2_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell, int doorbell_index, int instance) { u32 reg = SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_VCN0_DOORBELL_RANGE); u32 doorbell_range = RREG32_PCIE_PORT(reg); if (use_doorbell) { doorbell_range = REG_SET_FIELD(doorbell_range, GDC0_BIF_VCN0_DOORBELL_RANGE, OFFSET, doorbell_index); doorbell_range = REG_SET_FIELD(doorbell_range, GDC0_BIF_VCN0_DOORBELL_RANGE, SIZE, 8); } else { doorbell_range = REG_SET_FIELD(doorbell_range, GDC0_BIF_VCN0_DOORBELL_RANGE, SIZE, 0); } WREG32_PCIE_PORT(reg, doorbell_range); } static void nbio_v7_2_enable_doorbell_aperture(struct amdgpu_device *adev, bool enable) { u32 reg; reg = RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_0_RCC_DOORBELL_APER_EN); reg = REG_SET_FIELD(reg, RCC_DEV0_EPF0_0_RCC_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, enable ? 1 : 0); WREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_0_RCC_DOORBELL_APER_EN, reg); } static void nbio_v7_2_enable_doorbell_selfring_aperture(struct amdgpu_device *adev, bool enable) { u32 tmp = 0; if (enable) { tmp = REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_EN, 1) | REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_MODE, 1) | REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_SIZE, 0); WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_LOW, lower_32_bits(adev->doorbell.base)); WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_HIGH, upper_32_bits(adev->doorbell.base)); } WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, tmp); } static void nbio_v7_2_ih_doorbell_range(struct amdgpu_device *adev, bool use_doorbell, int doorbell_index) { u32 ih_doorbell_range = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_IH_DOORBELL_RANGE)); if (use_doorbell) { ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, GDC0_BIF_IH_DOORBELL_RANGE, OFFSET, doorbell_index); ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, GDC0_BIF_IH_DOORBELL_RANGE, SIZE, 2); } else { ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, GDC0_BIF_IH_DOORBELL_RANGE, SIZE, 0); } WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_IH_DOORBELL_RANGE), ih_doorbell_range); } static void nbio_v7_2_ih_control(struct amdgpu_device *adev) { u32 interrupt_cntl; /* setup interrupt control */ WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL2, adev->dummy_page_addr >> 8); interrupt_cntl = RREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_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, BIF_BX0_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, BIF_BX0_INTERRUPT_CNTL, IH_REQ_NONSNOOP_EN, 0); WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL, interrupt_cntl); } static void nbio_v7_2_update_medium_grain_clock_gating(struct amdgpu_device *adev, bool enable) { uint32_t def, data; def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regCPM_CONTROL)); if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_MGCG)) { data |= (CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK | CPM_CONTROL__TXCLK_DYN_GATE_ENABLE_MASK | CPM_CONTROL__TXCLK_LCNT_GATE_ENABLE_MASK | CPM_CONTROL__TXCLK_REGS_GATE_ENABLE_MASK | CPM_CONTROL__TXCLK_PRBS_GATE_ENABLE_MASK | CPM_CONTROL__REFCLK_REGS_GATE_ENABLE_MASK); } else { data &= ~(CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK | CPM_CONTROL__TXCLK_DYN_GATE_ENABLE_MASK | CPM_CONTROL__TXCLK_LCNT_GATE_ENABLE_MASK | CPM_CONTROL__TXCLK_REGS_GATE_ENABLE_MASK | CPM_CONTROL__TXCLK_PRBS_GATE_ENABLE_MASK | CPM_CONTROL__REFCLK_REGS_GATE_ENABLE_MASK); } if (def != data) WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regCPM_CONTROL), data); } static void nbio_v7_2_update_medium_grain_light_sleep(struct amdgpu_device *adev, bool enable) { uint32_t def, data; switch (adev->ip_versions[NBIO_HWIP][0]) { case IP_VERSION(7, 2, 1): case IP_VERSION(7, 3, 0): case IP_VERSION(7, 5, 0): def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CNTL2)); if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) data |= PCIE_CNTL2__SLV_MEM_LS_EN_MASK; else data &= ~PCIE_CNTL2__SLV_MEM_LS_EN_MASK; if (def != data) WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CNTL2), data); def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regBIF1_PCIE_TX_POWER_CTRL_1)); if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) data |= (BIF1_PCIE_TX_POWER_CTRL_1__MST_MEM_LS_EN_MASK | BIF1_PCIE_TX_POWER_CTRL_1__REPLAY_MEM_LS_EN_MASK); else data &= ~(BIF1_PCIE_TX_POWER_CTRL_1__MST_MEM_LS_EN_MASK | BIF1_PCIE_TX_POWER_CTRL_1__REPLAY_MEM_LS_EN_MASK); if (def != data) WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regBIF1_PCIE_TX_POWER_CTRL_1), data); break; default: def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_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_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CNTL2), data); break; } } static void nbio_v7_2_get_clockgating_state(struct amdgpu_device *adev, u64 *flags) { int data; /* AMD_CG_SUPPORT_BIF_MGCG */ data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regCPM_CONTROL)); if (data & CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK) *flags |= AMD_CG_SUPPORT_BIF_MGCG; /* AMD_CG_SUPPORT_BIF_LS */ data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CNTL2)); if (data & PCIE_CNTL2__SLV_MEM_LS_EN_MASK) *flags |= AMD_CG_SUPPORT_BIF_LS; } static u32 nbio_v7_2_get_hdp_flush_req_offset(struct amdgpu_device *adev) { return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_REQ); } static u32 nbio_v7_2_get_hdp_flush_done_offset(struct amdgpu_device *adev) { return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_DONE); } static u32 nbio_v7_2_get_pcie_index_offset(struct amdgpu_device *adev) { return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_INDEX2); } static u32 nbio_v7_2_get_pcie_data_offset(struct amdgpu_device *adev) { return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_DATA2); } static u32 nbio_v7_2_get_pcie_port_index_offset(struct amdgpu_device *adev) { return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_RSMU_INDEX); } static u32 nbio_v7_2_get_pcie_port_data_offset(struct amdgpu_device *adev) { return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_RSMU_DATA); } const struct nbio_hdp_flush_reg nbio_v7_2_hdp_flush_reg = { .ref_and_mask_cp0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP0_MASK, .ref_and_mask_cp1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP1_MASK, .ref_and_mask_cp2 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP2_MASK, .ref_and_mask_cp3 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP3_MASK, .ref_and_mask_cp4 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP4_MASK, .ref_and_mask_cp5 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP5_MASK, .ref_and_mask_cp6 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP6_MASK, .ref_and_mask_cp7 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP7_MASK, .ref_and_mask_cp8 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP8_MASK, .ref_and_mask_cp9 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP9_MASK, .ref_and_mask_sdma0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA0_MASK, .ref_and_mask_sdma1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA1_MASK, }; static void nbio_v7_2_init_registers(struct amdgpu_device *adev) { uint32_t def, data; switch (adev->ip_versions[NBIO_HWIP][0]) { case IP_VERSION(7, 2, 1): case IP_VERSION(7, 3, 0): case IP_VERSION(7, 5, 0): def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regBIF1_PCIE_MST_CTRL_3)); data = REG_SET_FIELD(data, BIF1_PCIE_MST_CTRL_3, CI_SWUS_MAX_READ_REQUEST_SIZE_MODE, 1); data = REG_SET_FIELD(data, BIF1_PCIE_MST_CTRL_3, CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV, 1); if (def != data) WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regBIF1_PCIE_MST_CTRL_3), data); break; default: def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CONFIG_CNTL)); data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL, CI_SWUS_MAX_READ_REQUEST_SIZE_MODE, 1); data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL, CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV, 1); if (def != data) WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CONFIG_CNTL), data); break; } switch (adev->ip_versions[NBIO_HWIP][0]) { case IP_VERSION(7, 3, 0): case IP_VERSION(7, 5, 1): data = RREG32_SOC15(NBIO, 0, regRCC_DEV2_EPF0_STRAP2); data &= ~RCC_DEV2_EPF0_STRAP2__STRAP_NO_SOFT_RESET_DEV2_F0_MASK; WREG32_SOC15(NBIO, 0, regRCC_DEV2_EPF0_STRAP2, data); break; } if (amdgpu_sriov_vf(adev)) adev->rmmio_remap.reg_offset = SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_HDP_MEM_COHERENCY_FLUSH_CNTL) << 2; } const struct amdgpu_nbio_funcs nbio_v7_2_funcs = { .get_hdp_flush_req_offset = nbio_v7_2_get_hdp_flush_req_offset, .get_hdp_flush_done_offset = nbio_v7_2_get_hdp_flush_done_offset, .get_pcie_index_offset = nbio_v7_2_get_pcie_index_offset, .get_pcie_data_offset = nbio_v7_2_get_pcie_data_offset, .get_pcie_port_index_offset = nbio_v7_2_get_pcie_port_index_offset, .get_pcie_port_data_offset = nbio_v7_2_get_pcie_port_data_offset, .get_rev_id = nbio_v7_2_get_rev_id, .mc_access_enable = nbio_v7_2_mc_access_enable, .get_memsize = nbio_v7_2_get_memsize, .sdma_doorbell_range = nbio_v7_2_sdma_doorbell_range, .vcn_doorbell_range = nbio_v7_2_vcn_doorbell_range, .enable_doorbell_aperture = nbio_v7_2_enable_doorbell_aperture, .enable_doorbell_selfring_aperture = nbio_v7_2_enable_doorbell_selfring_aperture, .ih_doorbell_range = nbio_v7_2_ih_doorbell_range, .update_medium_grain_clock_gating = nbio_v7_2_update_medium_grain_clock_gating, .update_medium_grain_light_sleep = nbio_v7_2_update_medium_grain_light_sleep, .get_clockgating_state = nbio_v7_2_get_clockgating_state, .ih_control = nbio_v7_2_ih_control, .init_registers = nbio_v7_2_init_registers, .remap_hdp_registers = nbio_v7_2_remap_hdp_registers, };