| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * Copyright (C) 2020-2023 Intel Corporation |
| */ |
| |
| #include "ivpu_drv.h" |
| #include "ivpu_fw.h" |
| #include "ivpu_hw_37xx_reg.h" |
| #include "ivpu_hw_reg_io.h" |
| #include "ivpu_hw.h" |
| #include "ivpu_ipc.h" |
| #include "ivpu_mmu.h" |
| #include "ivpu_pm.h" |
| |
| #define TILE_FUSE_ENABLE_BOTH 0x0 |
| #define TILE_SKU_BOTH_MTL 0x3630 |
| |
| /* Work point configuration values */ |
| #define CONFIG_1_TILE 0x01 |
| #define CONFIG_2_TILE 0x02 |
| #define PLL_RATIO_5_3 0x01 |
| #define PLL_RATIO_4_3 0x02 |
| #define WP_CONFIG(tile, ratio) (((tile) << 8) | (ratio)) |
| #define WP_CONFIG_1_TILE_5_3_RATIO WP_CONFIG(CONFIG_1_TILE, PLL_RATIO_5_3) |
| #define WP_CONFIG_1_TILE_4_3_RATIO WP_CONFIG(CONFIG_1_TILE, PLL_RATIO_4_3) |
| #define WP_CONFIG_2_TILE_5_3_RATIO WP_CONFIG(CONFIG_2_TILE, PLL_RATIO_5_3) |
| #define WP_CONFIG_2_TILE_4_3_RATIO WP_CONFIG(CONFIG_2_TILE, PLL_RATIO_4_3) |
| #define WP_CONFIG_0_TILE_PLL_OFF WP_CONFIG(0, 0) |
| |
| #define PLL_REF_CLK_FREQ (50 * 1000000) |
| #define PLL_SIMULATION_FREQ (10 * 1000000) |
| #define PLL_DEFAULT_EPP_VALUE 0x80 |
| |
| #define TIM_SAFE_ENABLE 0xf1d0dead |
| #define TIM_WATCHDOG_RESET_VALUE 0xffffffff |
| |
| #define TIMEOUT_US (150 * USEC_PER_MSEC) |
| #define PWR_ISLAND_STATUS_TIMEOUT_US (5 * USEC_PER_MSEC) |
| #define PLL_TIMEOUT_US (1500 * USEC_PER_MSEC) |
| #define IDLE_TIMEOUT_US (500 * USEC_PER_MSEC) |
| |
| #define ICB_0_IRQ_MASK ((REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, HOST_IPC_FIFO_INT)) | \ |
| (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_0_INT)) | \ |
| (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_1_INT)) | \ |
| (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_2_INT)) | \ |
| (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, NOC_FIREWALL_INT)) | \ |
| (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_0_INT)) | \ |
| (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_1_INT))) |
| |
| #define ICB_1_IRQ_MASK ((REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_1, CPU_INT_REDIRECT_2_INT)) | \ |
| (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_1, CPU_INT_REDIRECT_3_INT)) | \ |
| (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_1, CPU_INT_REDIRECT_4_INT))) |
| |
| #define ICB_0_1_IRQ_MASK ((((u64)ICB_1_IRQ_MASK) << 32) | ICB_0_IRQ_MASK) |
| |
| #define BUTTRESS_IRQ_MASK ((REG_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, FREQ_CHANGE)) | \ |
| (REG_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, ATS_ERR)) | \ |
| (REG_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, UFI_ERR))) |
| |
| #define BUTTRESS_IRQ_ENABLE_MASK ((u32)~BUTTRESS_IRQ_MASK) |
| #define BUTTRESS_IRQ_DISABLE_MASK ((u32)-1) |
| |
| #define ITF_FIREWALL_VIOLATION_MASK ((REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, CSS_ROM_CMX)) | \ |
| (REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, CSS_DBG)) | \ |
| (REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, CSS_CTRL)) | \ |
| (REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, DEC400)) | \ |
| (REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, MSS_NCE)) | \ |
| (REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, MSS_MBI)) | \ |
| (REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, MSS_MBI_CMX))) |
| |
| static char *ivpu_platform_to_str(u32 platform) |
| { |
| switch (platform) { |
| case IVPU_PLATFORM_SILICON: |
| return "IVPU_PLATFORM_SILICON"; |
| case IVPU_PLATFORM_SIMICS: |
| return "IVPU_PLATFORM_SIMICS"; |
| case IVPU_PLATFORM_FPGA: |
| return "IVPU_PLATFORM_FPGA"; |
| default: |
| return "Invalid platform"; |
| } |
| } |
| |
| static void ivpu_hw_read_platform(struct ivpu_device *vdev) |
| { |
| u32 gen_ctrl = REGV_RD32(VPU_37XX_HOST_SS_GEN_CTRL); |
| u32 platform = REG_GET_FLD(VPU_37XX_HOST_SS_GEN_CTRL, PS, gen_ctrl); |
| |
| if (platform == IVPU_PLATFORM_SIMICS || platform == IVPU_PLATFORM_FPGA) |
| vdev->platform = platform; |
| else |
| vdev->platform = IVPU_PLATFORM_SILICON; |
| |
| ivpu_dbg(vdev, MISC, "Platform type: %s (%d)\n", |
| ivpu_platform_to_str(vdev->platform), vdev->platform); |
| } |
| |
| static void ivpu_hw_wa_init(struct ivpu_device *vdev) |
| { |
| vdev->wa.punit_disabled = ivpu_is_fpga(vdev); |
| vdev->wa.clear_runtime_mem = false; |
| vdev->wa.d3hot_after_power_off = true; |
| |
| if (ivpu_device_id(vdev) == PCI_DEVICE_ID_MTL && ivpu_revision(vdev) < 4) |
| vdev->wa.interrupt_clear_with_0 = true; |
| } |
| |
| static void ivpu_hw_timeouts_init(struct ivpu_device *vdev) |
| { |
| if (ivpu_is_simics(vdev) || ivpu_is_fpga(vdev)) { |
| vdev->timeout.boot = 100000; |
| vdev->timeout.jsm = 50000; |
| vdev->timeout.tdr = 2000000; |
| vdev->timeout.reschedule_suspend = 1000; |
| } else { |
| vdev->timeout.boot = 1000; |
| vdev->timeout.jsm = 500; |
| vdev->timeout.tdr = 2000; |
| vdev->timeout.reschedule_suspend = 10; |
| } |
| } |
| |
| static int ivpu_pll_wait_for_cmd_send(struct ivpu_device *vdev) |
| { |
| return REGB_POLL_FLD(VPU_37XX_BUTTRESS_WP_REQ_CMD, SEND, 0, PLL_TIMEOUT_US); |
| } |
| |
| /* Send KMD initiated workpoint change */ |
| static int ivpu_pll_cmd_send(struct ivpu_device *vdev, u16 min_ratio, u16 max_ratio, |
| u16 target_ratio, u16 config) |
| { |
| int ret; |
| u32 val; |
| |
| ret = ivpu_pll_wait_for_cmd_send(vdev); |
| if (ret) { |
| ivpu_err(vdev, "Failed to sync before WP request: %d\n", ret); |
| return ret; |
| } |
| |
| val = REGB_RD32(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD0); |
| val = REG_SET_FLD_NUM(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD0, MIN_RATIO, min_ratio, val); |
| val = REG_SET_FLD_NUM(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD0, MAX_RATIO, max_ratio, val); |
| REGB_WR32(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD0, val); |
| |
| val = REGB_RD32(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD1); |
| val = REG_SET_FLD_NUM(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD1, TARGET_RATIO, target_ratio, val); |
| val = REG_SET_FLD_NUM(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD1, EPP, PLL_DEFAULT_EPP_VALUE, val); |
| REGB_WR32(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD1, val); |
| |
| val = REGB_RD32(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD2); |
| val = REG_SET_FLD_NUM(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD2, CONFIG, config, val); |
| REGB_WR32(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD2, val); |
| |
| val = REGB_RD32(VPU_37XX_BUTTRESS_WP_REQ_CMD); |
| val = REG_SET_FLD(VPU_37XX_BUTTRESS_WP_REQ_CMD, SEND, val); |
| REGB_WR32(VPU_37XX_BUTTRESS_WP_REQ_CMD, val); |
| |
| ret = ivpu_pll_wait_for_cmd_send(vdev); |
| if (ret) |
| ivpu_err(vdev, "Failed to sync after WP request: %d\n", ret); |
| |
| return ret; |
| } |
| |
| static int ivpu_pll_wait_for_lock(struct ivpu_device *vdev, bool enable) |
| { |
| u32 exp_val = enable ? 0x1 : 0x0; |
| |
| if (IVPU_WA(punit_disabled)) |
| return 0; |
| |
| return REGB_POLL_FLD(VPU_37XX_BUTTRESS_PLL_STATUS, LOCK, exp_val, PLL_TIMEOUT_US); |
| } |
| |
| static int ivpu_pll_wait_for_status_ready(struct ivpu_device *vdev) |
| { |
| if (IVPU_WA(punit_disabled)) |
| return 0; |
| |
| return REGB_POLL_FLD(VPU_37XX_BUTTRESS_VPU_STATUS, READY, 1, PLL_TIMEOUT_US); |
| } |
| |
| static void ivpu_pll_init_frequency_ratios(struct ivpu_device *vdev) |
| { |
| struct ivpu_hw_info *hw = vdev->hw; |
| u8 fuse_min_ratio, fuse_max_ratio, fuse_pn_ratio; |
| u32 fmin_fuse, fmax_fuse; |
| |
| fmin_fuse = REGB_RD32(VPU_37XX_BUTTRESS_FMIN_FUSE); |
| fuse_min_ratio = REG_GET_FLD(VPU_37XX_BUTTRESS_FMIN_FUSE, MIN_RATIO, fmin_fuse); |
| fuse_pn_ratio = REG_GET_FLD(VPU_37XX_BUTTRESS_FMIN_FUSE, PN_RATIO, fmin_fuse); |
| |
| fmax_fuse = REGB_RD32(VPU_37XX_BUTTRESS_FMAX_FUSE); |
| fuse_max_ratio = REG_GET_FLD(VPU_37XX_BUTTRESS_FMAX_FUSE, MAX_RATIO, fmax_fuse); |
| |
| hw->pll.min_ratio = clamp_t(u8, ivpu_pll_min_ratio, fuse_min_ratio, fuse_max_ratio); |
| hw->pll.max_ratio = clamp_t(u8, ivpu_pll_max_ratio, hw->pll.min_ratio, fuse_max_ratio); |
| hw->pll.pn_ratio = clamp_t(u8, fuse_pn_ratio, hw->pll.min_ratio, hw->pll.max_ratio); |
| } |
| |
| static int ivpu_hw_37xx_wait_for_vpuip_bar(struct ivpu_device *vdev) |
| { |
| return REGV_POLL_FLD(VPU_37XX_HOST_SS_CPR_RST_CLR, AON, 0, 100); |
| } |
| |
| static int ivpu_pll_drive(struct ivpu_device *vdev, bool enable) |
| { |
| struct ivpu_hw_info *hw = vdev->hw; |
| u16 target_ratio; |
| u16 config; |
| int ret; |
| |
| if (IVPU_WA(punit_disabled)) { |
| ivpu_dbg(vdev, PM, "Skipping PLL request on %s\n", |
| ivpu_platform_to_str(vdev->platform)); |
| return 0; |
| } |
| |
| if (enable) { |
| target_ratio = hw->pll.pn_ratio; |
| config = hw->config; |
| } else { |
| target_ratio = 0; |
| config = 0; |
| } |
| |
| ivpu_dbg(vdev, PM, "PLL workpoint request: config 0x%04x pll ratio 0x%x\n", |
| config, target_ratio); |
| |
| ret = ivpu_pll_cmd_send(vdev, hw->pll.min_ratio, hw->pll.max_ratio, target_ratio, config); |
| if (ret) { |
| ivpu_err(vdev, "Failed to send PLL workpoint request: %d\n", ret); |
| return ret; |
| } |
| |
| ret = ivpu_pll_wait_for_lock(vdev, enable); |
| if (ret) { |
| ivpu_err(vdev, "Timed out waiting for PLL lock\n"); |
| return ret; |
| } |
| |
| if (enable) { |
| ret = ivpu_pll_wait_for_status_ready(vdev); |
| if (ret) { |
| ivpu_err(vdev, "Timed out waiting for PLL ready status\n"); |
| return ret; |
| } |
| |
| ret = ivpu_hw_37xx_wait_for_vpuip_bar(vdev); |
| if (ret) { |
| ivpu_err(vdev, "Timed out waiting for VPUIP bar\n"); |
| return ret; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int ivpu_pll_enable(struct ivpu_device *vdev) |
| { |
| return ivpu_pll_drive(vdev, true); |
| } |
| |
| static int ivpu_pll_disable(struct ivpu_device *vdev) |
| { |
| return ivpu_pll_drive(vdev, false); |
| } |
| |
| static void ivpu_boot_host_ss_rst_clr_assert(struct ivpu_device *vdev) |
| { |
| u32 val = 0; |
| |
| val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_RST_CLR, TOP_NOC, val); |
| val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_RST_CLR, DSS_MAS, val); |
| val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_RST_CLR, MSS_MAS, val); |
| |
| REGV_WR32(VPU_37XX_HOST_SS_CPR_RST_CLR, val); |
| } |
| |
| static void ivpu_boot_host_ss_rst_drive(struct ivpu_device *vdev, bool enable) |
| { |
| u32 val = REGV_RD32(VPU_37XX_HOST_SS_CPR_RST_SET); |
| |
| if (enable) { |
| val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_RST_SET, TOP_NOC, val); |
| val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_RST_SET, DSS_MAS, val); |
| val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_RST_SET, MSS_MAS, val); |
| } else { |
| val = REG_CLR_FLD(VPU_37XX_HOST_SS_CPR_RST_SET, TOP_NOC, val); |
| val = REG_CLR_FLD(VPU_37XX_HOST_SS_CPR_RST_SET, DSS_MAS, val); |
| val = REG_CLR_FLD(VPU_37XX_HOST_SS_CPR_RST_SET, MSS_MAS, val); |
| } |
| |
| REGV_WR32(VPU_37XX_HOST_SS_CPR_RST_SET, val); |
| } |
| |
| static void ivpu_boot_host_ss_clk_drive(struct ivpu_device *vdev, bool enable) |
| { |
| u32 val = REGV_RD32(VPU_37XX_HOST_SS_CPR_CLK_SET); |
| |
| if (enable) { |
| val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_CLK_SET, TOP_NOC, val); |
| val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_CLK_SET, DSS_MAS, val); |
| val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_CLK_SET, MSS_MAS, val); |
| } else { |
| val = REG_CLR_FLD(VPU_37XX_HOST_SS_CPR_CLK_SET, TOP_NOC, val); |
| val = REG_CLR_FLD(VPU_37XX_HOST_SS_CPR_CLK_SET, DSS_MAS, val); |
| val = REG_CLR_FLD(VPU_37XX_HOST_SS_CPR_CLK_SET, MSS_MAS, val); |
| } |
| |
| REGV_WR32(VPU_37XX_HOST_SS_CPR_CLK_SET, val); |
| } |
| |
| static int ivpu_boot_noc_qreqn_check(struct ivpu_device *vdev, u32 exp_val) |
| { |
| u32 val = REGV_RD32(VPU_37XX_HOST_SS_NOC_QREQN); |
| |
| if (!REG_TEST_FLD_NUM(VPU_37XX_HOST_SS_NOC_QREQN, TOP_SOCMMIO, exp_val, val)) |
| return -EIO; |
| |
| return 0; |
| } |
| |
| static int ivpu_boot_noc_qacceptn_check(struct ivpu_device *vdev, u32 exp_val) |
| { |
| u32 val = REGV_RD32(VPU_37XX_HOST_SS_NOC_QACCEPTN); |
| |
| if (!REG_TEST_FLD_NUM(VPU_37XX_HOST_SS_NOC_QACCEPTN, TOP_SOCMMIO, exp_val, val)) |
| return -EIO; |
| |
| return 0; |
| } |
| |
| static int ivpu_boot_noc_qdeny_check(struct ivpu_device *vdev, u32 exp_val) |
| { |
| u32 val = REGV_RD32(VPU_37XX_HOST_SS_NOC_QDENY); |
| |
| if (!REG_TEST_FLD_NUM(VPU_37XX_HOST_SS_NOC_QDENY, TOP_SOCMMIO, exp_val, val)) |
| return -EIO; |
| |
| return 0; |
| } |
| |
| static int ivpu_boot_top_noc_qrenqn_check(struct ivpu_device *vdev, u32 exp_val) |
| { |
| u32 val = REGV_RD32(MTL_VPU_TOP_NOC_QREQN); |
| |
| if (!REG_TEST_FLD_NUM(MTL_VPU_TOP_NOC_QREQN, CPU_CTRL, exp_val, val) || |
| !REG_TEST_FLD_NUM(MTL_VPU_TOP_NOC_QREQN, HOSTIF_L2CACHE, exp_val, val)) |
| return -EIO; |
| |
| return 0; |
| } |
| |
| static int ivpu_boot_top_noc_qacceptn_check(struct ivpu_device *vdev, u32 exp_val) |
| { |
| u32 val = REGV_RD32(MTL_VPU_TOP_NOC_QACCEPTN); |
| |
| if (!REG_TEST_FLD_NUM(MTL_VPU_TOP_NOC_QACCEPTN, CPU_CTRL, exp_val, val) || |
| !REG_TEST_FLD_NUM(MTL_VPU_TOP_NOC_QACCEPTN, HOSTIF_L2CACHE, exp_val, val)) |
| return -EIO; |
| |
| return 0; |
| } |
| |
| static int ivpu_boot_top_noc_qdeny_check(struct ivpu_device *vdev, u32 exp_val) |
| { |
| u32 val = REGV_RD32(MTL_VPU_TOP_NOC_QDENY); |
| |
| if (!REG_TEST_FLD_NUM(MTL_VPU_TOP_NOC_QDENY, CPU_CTRL, exp_val, val) || |
| !REG_TEST_FLD_NUM(MTL_VPU_TOP_NOC_QDENY, HOSTIF_L2CACHE, exp_val, val)) |
| return -EIO; |
| |
| return 0; |
| } |
| |
| static int ivpu_boot_host_ss_configure(struct ivpu_device *vdev) |
| { |
| ivpu_boot_host_ss_rst_clr_assert(vdev); |
| |
| return ivpu_boot_noc_qreqn_check(vdev, 0x0); |
| } |
| |
| static void ivpu_boot_vpu_idle_gen_disable(struct ivpu_device *vdev) |
| { |
| REGV_WR32(VPU_37XX_HOST_SS_AON_VPU_IDLE_GEN, 0x0); |
| } |
| |
| static int ivpu_boot_host_ss_axi_drive(struct ivpu_device *vdev, bool enable) |
| { |
| int ret; |
| u32 val; |
| |
| val = REGV_RD32(VPU_37XX_HOST_SS_NOC_QREQN); |
| if (enable) |
| val = REG_SET_FLD(VPU_37XX_HOST_SS_NOC_QREQN, TOP_SOCMMIO, val); |
| else |
| val = REG_CLR_FLD(VPU_37XX_HOST_SS_NOC_QREQN, TOP_SOCMMIO, val); |
| REGV_WR32(VPU_37XX_HOST_SS_NOC_QREQN, val); |
| |
| ret = ivpu_boot_noc_qacceptn_check(vdev, enable ? 0x1 : 0x0); |
| if (ret) { |
| ivpu_err(vdev, "Failed qacceptn check: %d\n", ret); |
| return ret; |
| } |
| |
| ret = ivpu_boot_noc_qdeny_check(vdev, 0x0); |
| if (ret) |
| ivpu_err(vdev, "Failed qdeny check: %d\n", ret); |
| |
| return ret; |
| } |
| |
| static int ivpu_boot_host_ss_axi_enable(struct ivpu_device *vdev) |
| { |
| return ivpu_boot_host_ss_axi_drive(vdev, true); |
| } |
| |
| static int ivpu_boot_host_ss_top_noc_drive(struct ivpu_device *vdev, bool enable) |
| { |
| int ret; |
| u32 val; |
| |
| val = REGV_RD32(MTL_VPU_TOP_NOC_QREQN); |
| if (enable) { |
| val = REG_SET_FLD(MTL_VPU_TOP_NOC_QREQN, CPU_CTRL, val); |
| val = REG_SET_FLD(MTL_VPU_TOP_NOC_QREQN, HOSTIF_L2CACHE, val); |
| } else { |
| val = REG_CLR_FLD(MTL_VPU_TOP_NOC_QREQN, CPU_CTRL, val); |
| val = REG_CLR_FLD(MTL_VPU_TOP_NOC_QREQN, HOSTIF_L2CACHE, val); |
| } |
| REGV_WR32(MTL_VPU_TOP_NOC_QREQN, val); |
| |
| ret = ivpu_boot_top_noc_qacceptn_check(vdev, enable ? 0x1 : 0x0); |
| if (ret) { |
| ivpu_err(vdev, "Failed qacceptn check: %d\n", ret); |
| return ret; |
| } |
| |
| ret = ivpu_boot_top_noc_qdeny_check(vdev, 0x0); |
| if (ret) |
| ivpu_err(vdev, "Failed qdeny check: %d\n", ret); |
| |
| return ret; |
| } |
| |
| static int ivpu_boot_host_ss_top_noc_enable(struct ivpu_device *vdev) |
| { |
| return ivpu_boot_host_ss_top_noc_drive(vdev, true); |
| } |
| |
| static void ivpu_boot_pwr_island_trickle_drive(struct ivpu_device *vdev, bool enable) |
| { |
| u32 val = REGV_RD32(VPU_37XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0); |
| |
| if (enable) |
| val = REG_SET_FLD(VPU_37XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0, MSS_CPU, val); |
| else |
| val = REG_CLR_FLD(VPU_37XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0, MSS_CPU, val); |
| |
| REGV_WR32(VPU_37XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0, val); |
| } |
| |
| static void ivpu_boot_pwr_island_drive(struct ivpu_device *vdev, bool enable) |
| { |
| u32 val = REGV_RD32(VPU_37XX_HOST_SS_AON_PWR_ISLAND_EN0); |
| |
| if (enable) |
| val = REG_SET_FLD(VPU_37XX_HOST_SS_AON_PWR_ISLAND_EN0, MSS_CPU, val); |
| else |
| val = REG_CLR_FLD(VPU_37XX_HOST_SS_AON_PWR_ISLAND_EN0, MSS_CPU, val); |
| |
| REGV_WR32(VPU_37XX_HOST_SS_AON_PWR_ISLAND_EN0, val); |
| } |
| |
| static int ivpu_boot_wait_for_pwr_island_status(struct ivpu_device *vdev, u32 exp_val) |
| { |
| /* FPGA model (UPF) is not power aware, skipped Power Island polling */ |
| if (ivpu_is_fpga(vdev)) |
| return 0; |
| |
| return REGV_POLL_FLD(VPU_37XX_HOST_SS_AON_PWR_ISLAND_STATUS0, MSS_CPU, |
| exp_val, PWR_ISLAND_STATUS_TIMEOUT_US); |
| } |
| |
| static void ivpu_boot_pwr_island_isolation_drive(struct ivpu_device *vdev, bool enable) |
| { |
| u32 val = REGV_RD32(VPU_37XX_HOST_SS_AON_PWR_ISO_EN0); |
| |
| if (enable) |
| val = REG_SET_FLD(VPU_37XX_HOST_SS_AON_PWR_ISO_EN0, MSS_CPU, val); |
| else |
| val = REG_CLR_FLD(VPU_37XX_HOST_SS_AON_PWR_ISO_EN0, MSS_CPU, val); |
| |
| REGV_WR32(VPU_37XX_HOST_SS_AON_PWR_ISO_EN0, val); |
| } |
| |
| static void ivpu_boot_dpu_active_drive(struct ivpu_device *vdev, bool enable) |
| { |
| u32 val = REGV_RD32(VPU_37XX_HOST_SS_AON_DPU_ACTIVE); |
| |
| if (enable) |
| val = REG_SET_FLD(VPU_37XX_HOST_SS_AON_DPU_ACTIVE, DPU_ACTIVE, val); |
| else |
| val = REG_CLR_FLD(VPU_37XX_HOST_SS_AON_DPU_ACTIVE, DPU_ACTIVE, val); |
| |
| REGV_WR32(VPU_37XX_HOST_SS_AON_DPU_ACTIVE, val); |
| } |
| |
| static int ivpu_boot_pwr_domain_enable(struct ivpu_device *vdev) |
| { |
| int ret; |
| |
| ivpu_boot_pwr_island_trickle_drive(vdev, true); |
| ivpu_boot_pwr_island_drive(vdev, true); |
| |
| ret = ivpu_boot_wait_for_pwr_island_status(vdev, 0x1); |
| if (ret) { |
| ivpu_err(vdev, "Timed out waiting for power island status\n"); |
| return ret; |
| } |
| |
| ret = ivpu_boot_top_noc_qrenqn_check(vdev, 0x0); |
| if (ret) { |
| ivpu_err(vdev, "Failed qrenqn check %d\n", ret); |
| return ret; |
| } |
| |
| ivpu_boot_host_ss_clk_drive(vdev, true); |
| ivpu_boot_pwr_island_isolation_drive(vdev, false); |
| ivpu_boot_host_ss_rst_drive(vdev, true); |
| ivpu_boot_dpu_active_drive(vdev, true); |
| |
| return ret; |
| } |
| |
| static void ivpu_boot_no_snoop_enable(struct ivpu_device *vdev) |
| { |
| u32 val = REGV_RD32(VPU_37XX_HOST_IF_TCU_PTW_OVERRIDES); |
| |
| val = REG_SET_FLD(VPU_37XX_HOST_IF_TCU_PTW_OVERRIDES, NOSNOOP_OVERRIDE_EN, val); |
| val = REG_SET_FLD(VPU_37XX_HOST_IF_TCU_PTW_OVERRIDES, AW_NOSNOOP_OVERRIDE, val); |
| val = REG_SET_FLD(VPU_37XX_HOST_IF_TCU_PTW_OVERRIDES, AR_NOSNOOP_OVERRIDE, val); |
| |
| REGV_WR32(VPU_37XX_HOST_IF_TCU_PTW_OVERRIDES, val); |
| } |
| |
| static void ivpu_boot_tbu_mmu_enable(struct ivpu_device *vdev) |
| { |
| u32 val = REGV_RD32(VPU_37XX_HOST_IF_TBU_MMUSSIDV); |
| |
| val = REG_SET_FLD(VPU_37XX_HOST_IF_TBU_MMUSSIDV, TBU0_AWMMUSSIDV, val); |
| val = REG_SET_FLD(VPU_37XX_HOST_IF_TBU_MMUSSIDV, TBU0_ARMMUSSIDV, val); |
| val = REG_SET_FLD(VPU_37XX_HOST_IF_TBU_MMUSSIDV, TBU2_AWMMUSSIDV, val); |
| val = REG_SET_FLD(VPU_37XX_HOST_IF_TBU_MMUSSIDV, TBU2_ARMMUSSIDV, val); |
| |
| REGV_WR32(VPU_37XX_HOST_IF_TBU_MMUSSIDV, val); |
| } |
| |
| static void ivpu_boot_soc_cpu_boot(struct ivpu_device *vdev) |
| { |
| u32 val; |
| |
| val = REGV_RD32(MTL_VPU_CPU_SS_MSSCPU_CPR_LEON_RT_VEC); |
| val = REG_SET_FLD(MTL_VPU_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, IRQI_RSTRUN0, val); |
| |
| val = REG_CLR_FLD(MTL_VPU_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, IRQI_RSTVEC, val); |
| REGV_WR32(MTL_VPU_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, val); |
| |
| val = REG_SET_FLD(MTL_VPU_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, IRQI_RESUME0, val); |
| REGV_WR32(MTL_VPU_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, val); |
| |
| val = REG_CLR_FLD(MTL_VPU_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, IRQI_RESUME0, val); |
| REGV_WR32(MTL_VPU_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, val); |
| |
| val = vdev->fw->entry_point >> 9; |
| REGV_WR32(VPU_37XX_HOST_SS_LOADING_ADDRESS_LO, val); |
| |
| val = REG_SET_FLD(VPU_37XX_HOST_SS_LOADING_ADDRESS_LO, DONE, val); |
| REGV_WR32(VPU_37XX_HOST_SS_LOADING_ADDRESS_LO, val); |
| |
| ivpu_dbg(vdev, PM, "Booting firmware, mode: %s\n", |
| vdev->fw->entry_point == vdev->fw->cold_boot_entry_point ? "cold boot" : "resume"); |
| } |
| |
| static int ivpu_boot_d0i3_drive(struct ivpu_device *vdev, bool enable) |
| { |
| int ret; |
| u32 val; |
| |
| ret = REGB_POLL_FLD(VPU_37XX_BUTTRESS_VPU_D0I3_CONTROL, INPROGRESS, 0, TIMEOUT_US); |
| if (ret) { |
| ivpu_err(vdev, "Failed to sync before D0i3 transition: %d\n", ret); |
| return ret; |
| } |
| |
| val = REGB_RD32(VPU_37XX_BUTTRESS_VPU_D0I3_CONTROL); |
| if (enable) |
| val = REG_SET_FLD(VPU_37XX_BUTTRESS_VPU_D0I3_CONTROL, I3, val); |
| else |
| val = REG_CLR_FLD(VPU_37XX_BUTTRESS_VPU_D0I3_CONTROL, I3, val); |
| REGB_WR32(VPU_37XX_BUTTRESS_VPU_D0I3_CONTROL, val); |
| |
| ret = REGB_POLL_FLD(VPU_37XX_BUTTRESS_VPU_D0I3_CONTROL, INPROGRESS, 0, TIMEOUT_US); |
| if (ret) |
| ivpu_err(vdev, "Failed to sync after D0i3 transition: %d\n", ret); |
| |
| return ret; |
| } |
| |
| static int ivpu_hw_37xx_info_init(struct ivpu_device *vdev) |
| { |
| struct ivpu_hw_info *hw = vdev->hw; |
| |
| hw->tile_fuse = TILE_FUSE_ENABLE_BOTH; |
| hw->sku = TILE_SKU_BOTH_MTL; |
| hw->config = WP_CONFIG_2_TILE_4_3_RATIO; |
| |
| ivpu_pll_init_frequency_ratios(vdev); |
| |
| ivpu_hw_init_range(&hw->ranges.global, 0x80000000, SZ_512M); |
| ivpu_hw_init_range(&hw->ranges.user, 0xc0000000, 255 * SZ_1M); |
| ivpu_hw_init_range(&hw->ranges.shave, 0x180000000, SZ_2G); |
| ivpu_hw_init_range(&hw->ranges.dma, 0x200000000, SZ_8G); |
| |
| return 0; |
| } |
| |
| static int ivpu_hw_37xx_reset(struct ivpu_device *vdev) |
| { |
| int ret; |
| u32 val; |
| |
| if (IVPU_WA(punit_disabled)) |
| return 0; |
| |
| ret = REGB_POLL_FLD(VPU_37XX_BUTTRESS_VPU_IP_RESET, TRIGGER, 0, TIMEOUT_US); |
| if (ret) { |
| ivpu_err(vdev, "Timed out waiting for TRIGGER bit\n"); |
| return ret; |
| } |
| |
| val = REGB_RD32(VPU_37XX_BUTTRESS_VPU_IP_RESET); |
| val = REG_SET_FLD(VPU_37XX_BUTTRESS_VPU_IP_RESET, TRIGGER, val); |
| REGB_WR32(VPU_37XX_BUTTRESS_VPU_IP_RESET, val); |
| |
| ret = REGB_POLL_FLD(VPU_37XX_BUTTRESS_VPU_IP_RESET, TRIGGER, 0, TIMEOUT_US); |
| if (ret) |
| ivpu_err(vdev, "Timed out waiting for RESET completion\n"); |
| |
| return ret; |
| } |
| |
| static int ivpu_hw_37xx_d0i3_enable(struct ivpu_device *vdev) |
| { |
| int ret; |
| |
| ret = ivpu_boot_d0i3_drive(vdev, true); |
| if (ret) |
| ivpu_err(vdev, "Failed to enable D0i3: %d\n", ret); |
| |
| udelay(5); /* VPU requires 5 us to complete the transition */ |
| |
| return ret; |
| } |
| |
| static int ivpu_hw_37xx_d0i3_disable(struct ivpu_device *vdev) |
| { |
| int ret; |
| |
| ret = ivpu_boot_d0i3_drive(vdev, false); |
| if (ret) |
| ivpu_err(vdev, "Failed to disable D0i3: %d\n", ret); |
| |
| return ret; |
| } |
| |
| static int ivpu_hw_37xx_power_up(struct ivpu_device *vdev) |
| { |
| int ret; |
| |
| ivpu_hw_read_platform(vdev); |
| ivpu_hw_wa_init(vdev); |
| ivpu_hw_timeouts_init(vdev); |
| |
| ret = ivpu_hw_37xx_reset(vdev); |
| if (ret) |
| ivpu_warn(vdev, "Failed to reset HW: %d\n", ret); |
| |
| ret = ivpu_hw_37xx_d0i3_disable(vdev); |
| if (ret) |
| ivpu_warn(vdev, "Failed to disable D0I3: %d\n", ret); |
| |
| ret = ivpu_pll_enable(vdev); |
| if (ret) { |
| ivpu_err(vdev, "Failed to enable PLL: %d\n", ret); |
| return ret; |
| } |
| |
| ret = ivpu_boot_host_ss_configure(vdev); |
| if (ret) { |
| ivpu_err(vdev, "Failed to configure host SS: %d\n", ret); |
| return ret; |
| } |
| |
| /* |
| * The control circuitry for vpu_idle indication logic powers up active. |
| * To ensure unnecessary low power mode signal from LRT during bring up, |
| * KMD disables the circuitry prior to bringing up the Main Power island. |
| */ |
| ivpu_boot_vpu_idle_gen_disable(vdev); |
| |
| ret = ivpu_boot_pwr_domain_enable(vdev); |
| if (ret) { |
| ivpu_err(vdev, "Failed to enable power domain: %d\n", ret); |
| return ret; |
| } |
| |
| ret = ivpu_boot_host_ss_axi_enable(vdev); |
| if (ret) { |
| ivpu_err(vdev, "Failed to enable AXI: %d\n", ret); |
| return ret; |
| } |
| |
| ret = ivpu_boot_host_ss_top_noc_enable(vdev); |
| if (ret) |
| ivpu_err(vdev, "Failed to enable TOP NOC: %d\n", ret); |
| |
| return ret; |
| } |
| |
| static int ivpu_hw_37xx_boot_fw(struct ivpu_device *vdev) |
| { |
| ivpu_boot_no_snoop_enable(vdev); |
| ivpu_boot_tbu_mmu_enable(vdev); |
| ivpu_boot_soc_cpu_boot(vdev); |
| |
| return 0; |
| } |
| |
| static bool ivpu_hw_37xx_is_idle(struct ivpu_device *vdev) |
| { |
| u32 val; |
| |
| if (IVPU_WA(punit_disabled)) |
| return true; |
| |
| val = REGB_RD32(VPU_37XX_BUTTRESS_VPU_STATUS); |
| return REG_TEST_FLD(VPU_37XX_BUTTRESS_VPU_STATUS, READY, val) && |
| REG_TEST_FLD(VPU_37XX_BUTTRESS_VPU_STATUS, IDLE, val); |
| } |
| |
| static int ivpu_hw_37xx_power_down(struct ivpu_device *vdev) |
| { |
| int ret = 0; |
| |
| if (!ivpu_hw_37xx_is_idle(vdev) && ivpu_hw_37xx_reset(vdev)) |
| ivpu_err(vdev, "Failed to reset the VPU\n"); |
| |
| if (ivpu_pll_disable(vdev)) { |
| ivpu_err(vdev, "Failed to disable PLL\n"); |
| ret = -EIO; |
| } |
| |
| if (ivpu_hw_37xx_d0i3_enable(vdev)) { |
| ivpu_err(vdev, "Failed to enter D0I3\n"); |
| ret = -EIO; |
| } |
| |
| return ret; |
| } |
| |
| static void ivpu_hw_37xx_wdt_disable(struct ivpu_device *vdev) |
| { |
| u32 val; |
| |
| /* Enable writing and set non-zero WDT value */ |
| REGV_WR32(MTL_VPU_CPU_SS_TIM_SAFE, TIM_SAFE_ENABLE); |
| REGV_WR32(MTL_VPU_CPU_SS_TIM_WATCHDOG, TIM_WATCHDOG_RESET_VALUE); |
| |
| /* Enable writing and disable watchdog timer */ |
| REGV_WR32(MTL_VPU_CPU_SS_TIM_SAFE, TIM_SAFE_ENABLE); |
| REGV_WR32(MTL_VPU_CPU_SS_TIM_WDOG_EN, 0); |
| |
| /* Now clear the timeout interrupt */ |
| val = REGV_RD32(MTL_VPU_CPU_SS_TIM_GEN_CONFIG); |
| val = REG_CLR_FLD(MTL_VPU_CPU_SS_TIM_GEN_CONFIG, WDOG_TO_INT_CLR, val); |
| REGV_WR32(MTL_VPU_CPU_SS_TIM_GEN_CONFIG, val); |
| } |
| |
| static u32 ivpu_hw_37xx_pll_to_freq(u32 ratio, u32 config) |
| { |
| u32 pll_clock = PLL_REF_CLK_FREQ * ratio; |
| u32 cpu_clock; |
| |
| if ((config & 0xff) == PLL_RATIO_4_3) |
| cpu_clock = pll_clock * 2 / 4; |
| else |
| cpu_clock = pll_clock * 2 / 5; |
| |
| return cpu_clock; |
| } |
| |
| /* Register indirect accesses */ |
| static u32 ivpu_hw_37xx_reg_pll_freq_get(struct ivpu_device *vdev) |
| { |
| u32 pll_curr_ratio; |
| |
| pll_curr_ratio = REGB_RD32(VPU_37XX_BUTTRESS_CURRENT_PLL); |
| pll_curr_ratio &= VPU_37XX_BUTTRESS_CURRENT_PLL_RATIO_MASK; |
| |
| if (!ivpu_is_silicon(vdev)) |
| return PLL_SIMULATION_FREQ; |
| |
| return ivpu_hw_37xx_pll_to_freq(pll_curr_ratio, vdev->hw->config); |
| } |
| |
| static u32 ivpu_hw_37xx_reg_telemetry_offset_get(struct ivpu_device *vdev) |
| { |
| return REGB_RD32(VPU_37XX_BUTTRESS_VPU_TELEMETRY_OFFSET); |
| } |
| |
| static u32 ivpu_hw_37xx_reg_telemetry_size_get(struct ivpu_device *vdev) |
| { |
| return REGB_RD32(VPU_37XX_BUTTRESS_VPU_TELEMETRY_SIZE); |
| } |
| |
| static u32 ivpu_hw_37xx_reg_telemetry_enable_get(struct ivpu_device *vdev) |
| { |
| return REGB_RD32(VPU_37XX_BUTTRESS_VPU_TELEMETRY_ENABLE); |
| } |
| |
| static void ivpu_hw_37xx_reg_db_set(struct ivpu_device *vdev, u32 db_id) |
| { |
| u32 reg_stride = MTL_VPU_CPU_SS_DOORBELL_1 - MTL_VPU_CPU_SS_DOORBELL_0; |
| u32 val = REG_FLD(MTL_VPU_CPU_SS_DOORBELL_0, SET); |
| |
| REGV_WR32I(MTL_VPU_CPU_SS_DOORBELL_0, reg_stride, db_id, val); |
| } |
| |
| static u32 ivpu_hw_37xx_reg_ipc_rx_addr_get(struct ivpu_device *vdev) |
| { |
| return REGV_RD32(VPU_37XX_HOST_SS_TIM_IPC_FIFO_ATM); |
| } |
| |
| static u32 ivpu_hw_37xx_reg_ipc_rx_count_get(struct ivpu_device *vdev) |
| { |
| u32 count = REGV_RD32_SILENT(VPU_37XX_HOST_SS_TIM_IPC_FIFO_STAT); |
| |
| return REG_GET_FLD(VPU_37XX_HOST_SS_TIM_IPC_FIFO_STAT, FILL_LEVEL, count); |
| } |
| |
| static void ivpu_hw_37xx_reg_ipc_tx_set(struct ivpu_device *vdev, u32 vpu_addr) |
| { |
| REGV_WR32(MTL_VPU_CPU_SS_TIM_IPC_FIFO, vpu_addr); |
| } |
| |
| static void ivpu_hw_37xx_irq_clear(struct ivpu_device *vdev) |
| { |
| REGV_WR64(VPU_37XX_HOST_SS_ICB_CLEAR_0, ICB_0_1_IRQ_MASK); |
| } |
| |
| static void ivpu_hw_37xx_irq_enable(struct ivpu_device *vdev) |
| { |
| REGV_WR32(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, ITF_FIREWALL_VIOLATION_MASK); |
| REGV_WR64(VPU_37XX_HOST_SS_ICB_ENABLE_0, ICB_0_1_IRQ_MASK); |
| REGB_WR32(VPU_37XX_BUTTRESS_LOCAL_INT_MASK, BUTTRESS_IRQ_ENABLE_MASK); |
| REGB_WR32(VPU_37XX_BUTTRESS_GLOBAL_INT_MASK, 0x0); |
| } |
| |
| static void ivpu_hw_37xx_irq_disable(struct ivpu_device *vdev) |
| { |
| REGB_WR32(VPU_37XX_BUTTRESS_GLOBAL_INT_MASK, 0x1); |
| REGB_WR32(VPU_37XX_BUTTRESS_LOCAL_INT_MASK, BUTTRESS_IRQ_DISABLE_MASK); |
| REGV_WR64(VPU_37XX_HOST_SS_ICB_ENABLE_0, 0x0ull); |
| REGV_WR32(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, 0x0); |
| } |
| |
| static void ivpu_hw_37xx_irq_wdt_nce_handler(struct ivpu_device *vdev) |
| { |
| ivpu_err_ratelimited(vdev, "WDT NCE irq\n"); |
| |
| ivpu_pm_schedule_recovery(vdev); |
| } |
| |
| static void ivpu_hw_37xx_irq_wdt_mss_handler(struct ivpu_device *vdev) |
| { |
| ivpu_err_ratelimited(vdev, "WDT MSS irq\n"); |
| |
| ivpu_hw_wdt_disable(vdev); |
| ivpu_pm_schedule_recovery(vdev); |
| } |
| |
| static void ivpu_hw_37xx_irq_noc_firewall_handler(struct ivpu_device *vdev) |
| { |
| ivpu_err_ratelimited(vdev, "NOC Firewall irq\n"); |
| |
| ivpu_pm_schedule_recovery(vdev); |
| } |
| |
| /* Handler for IRQs from VPU core (irqV) */ |
| static u32 ivpu_hw_37xx_irqv_handler(struct ivpu_device *vdev, int irq) |
| { |
| u32 status = REGV_RD32(VPU_37XX_HOST_SS_ICB_STATUS_0) & ICB_0_IRQ_MASK; |
| |
| REGV_WR32(VPU_37XX_HOST_SS_ICB_CLEAR_0, status); |
| |
| if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_0_INT, status)) |
| ivpu_mmu_irq_evtq_handler(vdev); |
| |
| if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, HOST_IPC_FIFO_INT, status)) |
| ivpu_ipc_irq_handler(vdev); |
| |
| if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_1_INT, status)) |
| ivpu_dbg(vdev, IRQ, "MMU sync complete\n"); |
| |
| if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_2_INT, status)) |
| ivpu_mmu_irq_gerr_handler(vdev); |
| |
| if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_0_INT, status)) |
| ivpu_hw_37xx_irq_wdt_mss_handler(vdev); |
| |
| if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_1_INT, status)) |
| ivpu_hw_37xx_irq_wdt_nce_handler(vdev); |
| |
| if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, NOC_FIREWALL_INT, status)) |
| ivpu_hw_37xx_irq_noc_firewall_handler(vdev); |
| |
| return status; |
| } |
| |
| /* Handler for IRQs from Buttress core (irqB) */ |
| static u32 ivpu_hw_37xx_irqb_handler(struct ivpu_device *vdev, int irq) |
| { |
| u32 status = REGB_RD32(VPU_37XX_BUTTRESS_INTERRUPT_STAT) & BUTTRESS_IRQ_MASK; |
| bool schedule_recovery = false; |
| |
| if (status == 0) |
| return 0; |
| |
| /* Disable global interrupt before handling local buttress interrupts */ |
| REGB_WR32(VPU_37XX_BUTTRESS_GLOBAL_INT_MASK, 0x1); |
| |
| if (REG_TEST_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, FREQ_CHANGE, status)) |
| ivpu_dbg(vdev, IRQ, "FREQ_CHANGE irq: %08x", |
| REGB_RD32(VPU_37XX_BUTTRESS_CURRENT_PLL)); |
| |
| if (REG_TEST_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, ATS_ERR, status)) { |
| ivpu_err(vdev, "ATS_ERR irq 0x%016llx", REGB_RD64(VPU_37XX_BUTTRESS_ATS_ERR_LOG_0)); |
| REGB_WR32(VPU_37XX_BUTTRESS_ATS_ERR_CLEAR, 0x1); |
| schedule_recovery = true; |
| } |
| |
| if (REG_TEST_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, UFI_ERR, status)) { |
| u32 ufi_log = REGB_RD32(VPU_37XX_BUTTRESS_UFI_ERR_LOG); |
| |
| ivpu_err(vdev, "UFI_ERR irq (0x%08x) opcode: 0x%02lx axi_id: 0x%02lx cq_id: 0x%03lx", |
| ufi_log, REG_GET_FLD(VPU_37XX_BUTTRESS_UFI_ERR_LOG, OPCODE, ufi_log), |
| REG_GET_FLD(VPU_37XX_BUTTRESS_UFI_ERR_LOG, AXI_ID, ufi_log), |
| REG_GET_FLD(VPU_37XX_BUTTRESS_UFI_ERR_LOG, CQ_ID, ufi_log)); |
| REGB_WR32(VPU_37XX_BUTTRESS_UFI_ERR_CLEAR, 0x1); |
| schedule_recovery = true; |
| } |
| |
| /* This must be done after interrupts are cleared at the source. */ |
| if (IVPU_WA(interrupt_clear_with_0)) |
| /* |
| * Writing 1 triggers an interrupt, so we can't perform read update write. |
| * Clear local interrupt status by writing 0 to all bits. |
| */ |
| REGB_WR32(VPU_37XX_BUTTRESS_INTERRUPT_STAT, 0x0); |
| else |
| REGB_WR32(VPU_37XX_BUTTRESS_INTERRUPT_STAT, status); |
| |
| /* Re-enable global interrupt */ |
| REGB_WR32(VPU_37XX_BUTTRESS_GLOBAL_INT_MASK, 0x0); |
| |
| if (schedule_recovery) |
| ivpu_pm_schedule_recovery(vdev); |
| |
| return status; |
| } |
| |
| static irqreturn_t ivpu_hw_37xx_irq_handler(int irq, void *ptr) |
| { |
| struct ivpu_device *vdev = ptr; |
| u32 ret_irqv, ret_irqb; |
| |
| ret_irqv = ivpu_hw_37xx_irqv_handler(vdev, irq); |
| ret_irqb = ivpu_hw_37xx_irqb_handler(vdev, irq); |
| |
| return IRQ_RETVAL(ret_irqb | ret_irqv); |
| } |
| |
| static void ivpu_hw_37xx_diagnose_failure(struct ivpu_device *vdev) |
| { |
| u32 irqv = REGV_RD32(VPU_37XX_HOST_SS_ICB_STATUS_0) & ICB_0_IRQ_MASK; |
| u32 irqb = REGB_RD32(VPU_37XX_BUTTRESS_INTERRUPT_STAT) & BUTTRESS_IRQ_MASK; |
| |
| if (ivpu_hw_37xx_reg_ipc_rx_count_get(vdev)) |
| ivpu_err(vdev, "IPC FIFO queue not empty, missed IPC IRQ"); |
| |
| if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_0_INT, irqv)) |
| ivpu_err(vdev, "WDT MSS timeout detected\n"); |
| |
| if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_1_INT, irqv)) |
| ivpu_err(vdev, "WDT NCE timeout detected\n"); |
| |
| if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, NOC_FIREWALL_INT, irqv)) |
| ivpu_err(vdev, "NOC Firewall irq detected\n"); |
| |
| if (REG_TEST_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, ATS_ERR, irqb)) |
| ivpu_err(vdev, "ATS_ERR irq 0x%016llx", REGB_RD64(VPU_37XX_BUTTRESS_ATS_ERR_LOG_0)); |
| |
| if (REG_TEST_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, UFI_ERR, irqb)) { |
| u32 ufi_log = REGB_RD32(VPU_37XX_BUTTRESS_UFI_ERR_LOG); |
| |
| ivpu_err(vdev, "UFI_ERR irq (0x%08x) opcode: 0x%02lx axi_id: 0x%02lx cq_id: 0x%03lx", |
| ufi_log, REG_GET_FLD(VPU_37XX_BUTTRESS_UFI_ERR_LOG, OPCODE, ufi_log), |
| REG_GET_FLD(VPU_37XX_BUTTRESS_UFI_ERR_LOG, AXI_ID, ufi_log), |
| REG_GET_FLD(VPU_37XX_BUTTRESS_UFI_ERR_LOG, CQ_ID, ufi_log)); |
| } |
| } |
| |
| const struct ivpu_hw_ops ivpu_hw_37xx_ops = { |
| .info_init = ivpu_hw_37xx_info_init, |
| .power_up = ivpu_hw_37xx_power_up, |
| .is_idle = ivpu_hw_37xx_is_idle, |
| .power_down = ivpu_hw_37xx_power_down, |
| .boot_fw = ivpu_hw_37xx_boot_fw, |
| .wdt_disable = ivpu_hw_37xx_wdt_disable, |
| .diagnose_failure = ivpu_hw_37xx_diagnose_failure, |
| .reg_pll_freq_get = ivpu_hw_37xx_reg_pll_freq_get, |
| .reg_telemetry_offset_get = ivpu_hw_37xx_reg_telemetry_offset_get, |
| .reg_telemetry_size_get = ivpu_hw_37xx_reg_telemetry_size_get, |
| .reg_telemetry_enable_get = ivpu_hw_37xx_reg_telemetry_enable_get, |
| .reg_db_set = ivpu_hw_37xx_reg_db_set, |
| .reg_ipc_rx_addr_get = ivpu_hw_37xx_reg_ipc_rx_addr_get, |
| .reg_ipc_rx_count_get = ivpu_hw_37xx_reg_ipc_rx_count_get, |
| .reg_ipc_tx_set = ivpu_hw_37xx_reg_ipc_tx_set, |
| .irq_clear = ivpu_hw_37xx_irq_clear, |
| .irq_enable = ivpu_hw_37xx_irq_enable, |
| .irq_disable = ivpu_hw_37xx_irq_disable, |
| .irq_handler = ivpu_hw_37xx_irq_handler, |
| }; |