/* * Copyright 2022 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_9.h" #include "amdgpu_ras.h" #include "nbio/nbio_7_9_0_offset.h" #include "nbio/nbio_7_9_0_sh_mask.h" #include "ivsrcid/nbio/irqsrcs_nbif_7_4.h" #include #define NPS_MODE_MASK 0x000000FFL /* Core 0 Port 0 counter */ #define smnPCIEP_NAK_COUNTER 0x1A340218 #define smnPCIE_PERF_CNTL_TXCLK3 0x1A38021c #define smnPCIE_PERF_CNTL_TXCLK7 0x1A380888 #define smnPCIE_PERF_COUNT_CNTL 0x1A380200 #define smnPCIE_PERF_COUNT0_TXCLK3 0x1A380220 #define smnPCIE_PERF_COUNT0_TXCLK7 0x1A38088C #define smnPCIE_PERF_COUNT0_UPVAL_TXCLK3 0x1A3808F8 #define smnPCIE_PERF_COUNT0_UPVAL_TXCLK7 0x1A380918 static void nbio_v7_9_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_9_get_rev_id(struct amdgpu_device *adev) { u32 tmp; tmp = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0); tmp = REG_GET_FIELD(tmp, RCC_STRAP0_RCC_DEV0_EPF0_STRAP0, STRAP_ATI_REV_ID_DEV0_F0); return tmp; } static void nbio_v7_9_mc_access_enable(struct amdgpu_device *adev, bool enable) { 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); } static u32 nbio_v7_9_get_memsize(struct amdgpu_device *adev) { return RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_RCC_CONFIG_MEMSIZE); } static void nbio_v7_9_sdma_doorbell_range(struct amdgpu_device *adev, int instance, bool use_doorbell, int doorbell_index, int doorbell_size) { u32 doorbell_range = 0, doorbell_ctrl = 0; int aid_id, dev_inst; dev_inst = GET_INST(SDMA0, instance); aid_id = adev->sdma.instance[instance].aid_id; if (use_doorbell == false) return; doorbell_range = REG_SET_FIELD(doorbell_range, DOORBELL0_CTRL_ENTRY_0, BIF_DOORBELL0_RANGE_OFFSET_ENTRY, doorbell_index); doorbell_range = REG_SET_FIELD(doorbell_range, DOORBELL0_CTRL_ENTRY_0, BIF_DOORBELL0_RANGE_SIZE_ENTRY, doorbell_size); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_ENABLE, 1); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_RANGE_SIZE, doorbell_size); switch (dev_inst % adev->sdma.num_inst_per_aid) { case 0: WREG32_SOC15_OFFSET(NBIO, 0, regDOORBELL0_CTRL_ENTRY_1, 4 * aid_id, doorbell_range); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_AWID, 0xe); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_RANGE_OFFSET, 0xe); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE, 0x1); WREG32_SOC15_EXT(NBIO, aid_id, regS2A_DOORBELL_ENTRY_1_CTRL, aid_id, doorbell_ctrl); break; case 1: WREG32_SOC15_OFFSET(NBIO, 0, regDOORBELL0_CTRL_ENTRY_2, 4 * aid_id, doorbell_range); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_AWID, 0x8); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_RANGE_OFFSET, 0x8); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE, 0x2); WREG32_SOC15_EXT(NBIO, aid_id, regS2A_DOORBELL_ENTRY_2_CTRL, aid_id, doorbell_ctrl); break; case 2: WREG32_SOC15_OFFSET(NBIO, 0, regDOORBELL0_CTRL_ENTRY_3, 4 * aid_id, doorbell_range); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_AWID, 0x9); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_RANGE_OFFSET, 0x9); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE, 0x8); WREG32_SOC15_EXT(NBIO, aid_id, regS2A_DOORBELL_ENTRY_5_CTRL, aid_id, doorbell_ctrl); break; case 3: WREG32_SOC15_OFFSET(NBIO, 0, regDOORBELL0_CTRL_ENTRY_4, 4 * aid_id, doorbell_range); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_AWID, 0xa); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_RANGE_OFFSET, 0xa); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE, 0x9); WREG32_SOC15_EXT(NBIO, aid_id, regS2A_DOORBELL_ENTRY_6_CTRL, aid_id, doorbell_ctrl); break; default: break; } return; } static void nbio_v7_9_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell, int doorbell_index, int instance) { u32 doorbell_range = 0, doorbell_ctrl = 0; u32 aid_id = instance; if (use_doorbell) { doorbell_range = REG_SET_FIELD(doorbell_range, DOORBELL0_CTRL_ENTRY_0, BIF_DOORBELL0_RANGE_OFFSET_ENTRY, doorbell_index); doorbell_range = REG_SET_FIELD(doorbell_range, DOORBELL0_CTRL_ENTRY_0, BIF_DOORBELL0_RANGE_SIZE_ENTRY, 0x9); if (aid_id) doorbell_range = REG_SET_FIELD(doorbell_range, DOORBELL0_CTRL_ENTRY_0, DOORBELL0_FENCE_ENABLE_ENTRY, 0x4); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_ENABLE, 1); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_AWID, 0x4); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_RANGE_OFFSET, 0x4); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_RANGE_SIZE, 0x9); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE, 0x4); WREG32_SOC15_OFFSET(NBIO, 0, regDOORBELL0_CTRL_ENTRY_17, aid_id, doorbell_range); WREG32_SOC15_EXT(NBIO, aid_id, regS2A_DOORBELL_ENTRY_4_CTRL, aid_id, doorbell_ctrl); } else { doorbell_range = REG_SET_FIELD(doorbell_range, DOORBELL0_CTRL_ENTRY_0, BIF_DOORBELL0_RANGE_SIZE_ENTRY, 0); doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_RANGE_SIZE, 0); WREG32_SOC15_OFFSET(NBIO, 0, regDOORBELL0_CTRL_ENTRY_17, aid_id, doorbell_range); WREG32_SOC15_EXT(NBIO, aid_id, regS2A_DOORBELL_ENTRY_4_CTRL, aid_id, doorbell_ctrl); } } static void nbio_v7_9_enable_doorbell_aperture(struct amdgpu_device *adev, bool enable) { /* Enable to allow doorbell pass thru on pre-silicon bare-metal */ WREG32_SOC15(NBIO, 0, regBIFC_DOORBELL_ACCESS_EN_PF, 0xfffff); WREG32_FIELD15_PREREG(NBIO, 0, RCC_DEV0_EPF0_RCC_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, enable ? 1 : 0); } static void nbio_v7_9_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_9_ih_doorbell_range(struct amdgpu_device *adev, bool use_doorbell, int doorbell_index) { u32 ih_doorbell_range = 0, ih_doorbell_ctrl = 0; if (use_doorbell) { ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, DOORBELL0_CTRL_ENTRY_0, BIF_DOORBELL0_RANGE_OFFSET_ENTRY, doorbell_index); ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, DOORBELL0_CTRL_ENTRY_0, BIF_DOORBELL0_RANGE_SIZE_ENTRY, 0x8); ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_ENABLE, 1); ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_AWID, 0); ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_RANGE_OFFSET, 0); ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_RANGE_SIZE, 0x8); ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE, 0); } else { ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, DOORBELL0_CTRL_ENTRY_0, BIF_DOORBELL0_RANGE_SIZE_ENTRY, 0); ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL, S2A_DOORBELL_PORT1_RANGE_SIZE, 0); } WREG32_SOC15(NBIO, 0, regDOORBELL0_CTRL_ENTRY_0, ih_doorbell_range); WREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_3_CTRL, ih_doorbell_ctrl); } static void nbio_v7_9_update_medium_grain_clock_gating(struct amdgpu_device *adev, bool enable) { } static void nbio_v7_9_update_medium_grain_light_sleep(struct amdgpu_device *adev, bool enable) { } static void nbio_v7_9_get_clockgating_state(struct amdgpu_device *adev, u64 *flags) { } static void nbio_v7_9_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 u32 nbio_v7_9_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_9_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_9_get_pcie_index_offset(struct amdgpu_device *adev) { return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_INDEX2); } static u32 nbio_v7_9_get_pcie_data_offset(struct amdgpu_device *adev) { return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_DATA2); } static u32 nbio_v7_9_get_pcie_index_hi_offset(struct amdgpu_device *adev) { return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_INDEX2_HI); } const struct nbio_hdp_flush_reg nbio_v7_9_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, .ref_and_mask_sdma2 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG0_MASK, .ref_and_mask_sdma3 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG1_MASK, .ref_and_mask_sdma4 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG2_MASK, .ref_and_mask_sdma5 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG3_MASK, .ref_and_mask_sdma6 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG4_MASK, .ref_and_mask_sdma7 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG5_MASK, }; static void nbio_v7_9_enable_doorbell_interrupt(struct amdgpu_device *adev, bool enable) { WREG32_FIELD15_PREREG(NBIO, 0, BIF_BX0_BIF_DOORBELL_INT_CNTL, DOORBELL_INTERRUPT_DISABLE, enable ? 0 : 1); } static int nbio_v7_9_get_compute_partition_mode(struct amdgpu_device *adev) { u32 tmp, px; tmp = RREG32_SOC15(NBIO, 0, regBIF_BX_PF0_PARTITION_COMPUTE_STATUS); px = REG_GET_FIELD(tmp, BIF_BX_PF0_PARTITION_COMPUTE_STATUS, PARTITION_MODE); return px; } static u32 nbio_v7_9_get_memory_partition_mode(struct amdgpu_device *adev, u32 *supp_modes) { u32 tmp; tmp = RREG32_SOC15(NBIO, 0, regBIF_BX_PF0_PARTITION_MEM_STATUS); tmp = REG_GET_FIELD(tmp, BIF_BX_PF0_PARTITION_MEM_STATUS, NPS_MODE); if (supp_modes) { *supp_modes = RREG32_SOC15(NBIO, 0, regBIF_BX_PF0_PARTITION_MEM_CAP); } return ffs(tmp); } static void nbio_v7_9_init_registers(struct amdgpu_device *adev) { u32 inst_mask; int i; if (amdgpu_sriov_vf(adev)) adev->rmmio_remap.reg_offset = SOC15_REG_OFFSET( NBIO, 0, regBIF_BX_DEV0_EPF0_VF0_HDP_MEM_COHERENCY_FLUSH_CNTL) << 2; WREG32_SOC15(NBIO, 0, regXCC_DOORBELL_FENCE, 0xff & ~(adev->gfx.xcc_mask)); WREG32_SOC15(NBIO, 0, regBIFC_GFX_INT_MONITOR_MASK, 0x7ff); inst_mask = adev->aid_mask & ~1U; for_each_inst(i, inst_mask) { WREG32_SOC15_EXT(NBIO, i, regXCC_DOORBELL_FENCE, i, XCC_DOORBELL_FENCE__SHUB_SLV_MODE_MASK); } if (!amdgpu_sriov_vf(adev)) { u32 baco_cntl; for_each_inst(i, adev->aid_mask) { baco_cntl = RREG32_SOC15(NBIO, i, regBIF_BX0_BACO_CNTL); if (baco_cntl & (BIF_BX0_BACO_CNTL__BACO_DUMMY_EN_MASK | BIF_BX0_BACO_CNTL__BACO_EN_MASK)) { baco_cntl &= ~( BIF_BX0_BACO_CNTL__BACO_DUMMY_EN_MASK | BIF_BX0_BACO_CNTL__BACO_EN_MASK); dev_dbg(adev->dev, "Unsetting baco dummy mode %x", baco_cntl); WREG32_SOC15(NBIO, i, regBIF_BX0_BACO_CNTL, baco_cntl); } } } } static u64 nbio_v7_9_get_pcie_replay_count(struct amdgpu_device *adev) { u32 val, nak_r, nak_g; if (adev->flags & AMD_IS_APU) return 0; /* Get the number of NAKs received and generated */ val = RREG32_PCIE(smnPCIEP_NAK_COUNTER); nak_r = val & 0xFFFF; nak_g = val >> 16; /* Add the total number of NAKs, i.e the number of replays */ return (nak_r + nak_g); } static void nbio_v7_9_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0, uint64_t *count1) { uint32_t perfctrrx = 0; uint32_t perfctrtx = 0; /* This reports 0 on APUs, so return to avoid writing/reading registers * that may or may not be different from their GPU counterparts */ if (adev->flags & AMD_IS_APU) return; /* Use TXCLK3 counter group for rx event */ /* Use TXCLK7 counter group for tx event */ /* Set the 2 events that we wish to watch, defined above */ /* 40 is event# for received msgs */ /* 2 is event# of posted requests sent */ perfctrrx = REG_SET_FIELD(perfctrrx, PCIE_PERF_CNTL_TXCLK3, EVENT0_SEL, 40); perfctrtx = REG_SET_FIELD(perfctrtx, PCIE_PERF_CNTL_TXCLK7, EVENT0_SEL, 2); /* Write to enable desired perf counters */ WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3, perfctrrx); WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK7, perfctrtx); /* Zero out and enable SHADOW_WR * Write 0x6: * Bit 1 = Global Shadow wr(1) * Bit 2 = Global counter reset enable(1) */ WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000006); /* Enable Gloabl Counter * Write 0x1: * Bit 0 = Global Counter Enable(1) */ WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000001); drm_msleep(1000); /* Disable Global Counter, Reset and enable SHADOW_WR * Write 0x6: * Bit 1 = Global Shadow wr(1) * Bit 2 = Global counter reset enable(1) */ WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000006); /* Get the upper and lower count */ *count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK3) | ((uint64_t)RREG32_PCIE(smnPCIE_PERF_COUNT0_UPVAL_TXCLK3) << 32); *count1 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK7) | ((uint64_t)RREG32_PCIE(smnPCIE_PERF_COUNT0_UPVAL_TXCLK7) << 32); } const struct amdgpu_nbio_funcs nbio_v7_9_funcs = { .get_hdp_flush_req_offset = nbio_v7_9_get_hdp_flush_req_offset, .get_hdp_flush_done_offset = nbio_v7_9_get_hdp_flush_done_offset, .get_pcie_index_offset = nbio_v7_9_get_pcie_index_offset, .get_pcie_data_offset = nbio_v7_9_get_pcie_data_offset, .get_pcie_index_hi_offset = nbio_v7_9_get_pcie_index_hi_offset, .get_rev_id = nbio_v7_9_get_rev_id, .mc_access_enable = nbio_v7_9_mc_access_enable, .get_memsize = nbio_v7_9_get_memsize, .sdma_doorbell_range = nbio_v7_9_sdma_doorbell_range, .vcn_doorbell_range = nbio_v7_9_vcn_doorbell_range, .enable_doorbell_aperture = nbio_v7_9_enable_doorbell_aperture, .enable_doorbell_selfring_aperture = nbio_v7_9_enable_doorbell_selfring_aperture, .ih_doorbell_range = nbio_v7_9_ih_doorbell_range, .enable_doorbell_interrupt = nbio_v7_9_enable_doorbell_interrupt, .update_medium_grain_clock_gating = nbio_v7_9_update_medium_grain_clock_gating, .update_medium_grain_light_sleep = nbio_v7_9_update_medium_grain_light_sleep, .get_clockgating_state = nbio_v7_9_get_clockgating_state, .ih_control = nbio_v7_9_ih_control, .remap_hdp_registers = nbio_v7_9_remap_hdp_registers, .get_compute_partition_mode = nbio_v7_9_get_compute_partition_mode, .get_memory_partition_mode = nbio_v7_9_get_memory_partition_mode, .init_registers = nbio_v7_9_init_registers, .get_pcie_replay_count = nbio_v7_9_get_pcie_replay_count, .get_pcie_usage = nbio_v7_9_get_pcie_usage, }; static void nbio_v7_9_query_ras_error_count(struct amdgpu_device *adev, void *ras_error_status) { return; } static void nbio_v7_9_handle_ras_controller_intr_no_bifring(struct amdgpu_device *adev) { uint32_t bif_doorbell_intr_cntl; struct ras_manager *obj = amdgpu_ras_find_obj(adev, adev->nbio.ras_if); struct ras_err_data err_data = {0, 0, 0, NULL}; struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL); if (REG_GET_FIELD(bif_doorbell_intr_cntl, BIF_BX0_BIF_DOORBELL_INT_CNTL, RAS_CNTLR_INTERRUPT_STATUS)) { /* driver has to clear the interrupt status when bif ring is disabled */ bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl, BIF_BX0_BIF_DOORBELL_INT_CNTL, RAS_CNTLR_INTERRUPT_CLEAR, 1); WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl); if (!ras->disable_ras_err_cnt_harvest) { /* * clear error status after ras_controller_intr * according to hw team and count ue number * for query */ nbio_v7_9_query_ras_error_count(adev, &err_data); /* logging on error cnt and printing for awareness */ obj->err_data.ue_count += err_data.ue_count; obj->err_data.ce_count += err_data.ce_count; if (err_data.ce_count) dev_info(adev->dev, "%ld correctable hardware " "errors detected in %s block, " "no user action is needed.\n", obj->err_data.ce_count, get_ras_block_str(adev->nbio.ras_if)); if (err_data.ue_count) dev_info(adev->dev, "%ld uncorrectable hardware " "errors detected in %s block\n", obj->err_data.ue_count, get_ras_block_str(adev->nbio.ras_if)); } dev_info(adev->dev, "RAS controller interrupt triggered " "by NBIF error\n"); } } static void nbio_v7_9_handle_ras_err_event_athub_intr_no_bifring(struct amdgpu_device *adev) { uint32_t bif_doorbell_intr_cntl; bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL); if (REG_GET_FIELD(bif_doorbell_intr_cntl, BIF_BX0_BIF_DOORBELL_INT_CNTL, RAS_ATHUB_ERR_EVENT_INTERRUPT_STATUS)) { /* driver has to clear the interrupt status when bif ring is disabled */ bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl, BIF_BX0_BIF_DOORBELL_INT_CNTL, RAS_ATHUB_ERR_EVENT_INTERRUPT_CLEAR, 1); WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl); amdgpu_ras_global_ras_isr(adev); } } static int nbio_v7_9_set_ras_controller_irq_state(struct amdgpu_device *adev, struct amdgpu_irq_src *src, unsigned type, enum amdgpu_interrupt_state state) { /* Dummy function, there is no initialization operation in driver */ return 0; } static int nbio_v7_9_process_ras_controller_irq(struct amdgpu_device *adev, struct amdgpu_irq_src *source, struct amdgpu_iv_entry *entry) { /* By design, the ih cookie for ras_controller_irq should be written * to BIFring instead of general iv ring. However, due to known bif ring * hw bug, it has to be disabled. There is no chance the process function * will be involked. Just left it as a dummy one. */ return 0; } static int nbio_v7_9_set_ras_err_event_athub_irq_state(struct amdgpu_device *adev, struct amdgpu_irq_src *src, unsigned type, enum amdgpu_interrupt_state state) { /* Dummy function, there is no initialization operation in driver */ return 0; } static int nbio_v7_9_process_err_event_athub_irq(struct amdgpu_device *adev, struct amdgpu_irq_src *source, struct amdgpu_iv_entry *entry) { /* By design, the ih cookie for err_event_athub_irq should be written * to BIFring instead of general iv ring. However, due to known bif ring * hw bug, it has to be disabled. There is no chance the process function * will be involked. Just left it as a dummy one. */ return 0; } static const struct amdgpu_irq_src_funcs nbio_v7_9_ras_controller_irq_funcs = { .set = nbio_v7_9_set_ras_controller_irq_state, .process = nbio_v7_9_process_ras_controller_irq, }; static const struct amdgpu_irq_src_funcs nbio_v7_9_ras_err_event_athub_irq_funcs = { .set = nbio_v7_9_set_ras_err_event_athub_irq_state, .process = nbio_v7_9_process_err_event_athub_irq, }; static int nbio_v7_9_init_ras_controller_interrupt (struct amdgpu_device *adev) { int r; /* init the irq funcs */ adev->nbio.ras_controller_irq.funcs = &nbio_v7_9_ras_controller_irq_funcs; adev->nbio.ras_controller_irq.num_types = 1; /* register ras controller interrupt */ r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF, NBIF_7_4__SRCID__RAS_CONTROLLER_INTERRUPT, &adev->nbio.ras_controller_irq); return r; } static int nbio_v7_9_init_ras_err_event_athub_interrupt (struct amdgpu_device *adev) { int r; /* init the irq funcs */ adev->nbio.ras_err_event_athub_irq.funcs = &nbio_v7_9_ras_err_event_athub_irq_funcs; adev->nbio.ras_err_event_athub_irq.num_types = 1; /* register ras err event athub interrupt */ r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF, NBIF_7_4__SRCID__ERREVENT_ATHUB_INTERRUPT, &adev->nbio.ras_err_event_athub_irq); return r; } const struct amdgpu_ras_block_hw_ops nbio_v7_9_ras_hw_ops = { .query_ras_error_count = nbio_v7_9_query_ras_error_count, }; struct amdgpu_nbio_ras nbio_v7_9_ras = { .ras_block = { .ras_comm = { .name = "pcie_bif", .block = AMDGPU_RAS_BLOCK__PCIE_BIF, .type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE, }, .hw_ops = &nbio_v7_9_ras_hw_ops, .ras_late_init = amdgpu_nbio_ras_late_init, }, .handle_ras_controller_intr_no_bifring = nbio_v7_9_handle_ras_controller_intr_no_bifring, .handle_ras_err_event_athub_intr_no_bifring = nbio_v7_9_handle_ras_err_event_athub_intr_no_bifring, .init_ras_controller_interrupt = nbio_v7_9_init_ras_controller_interrupt, .init_ras_err_event_athub_interrupt = nbio_v7_9_init_ras_err_event_athub_interrupt, };