diff options
Diffstat (limited to 'drivers/accel/ivpu/ivpu_hw_40xx.c')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_hw_40xx.c | 1250 |
1 files changed, 0 insertions, 1250 deletions
diff --git a/drivers/accel/ivpu/ivpu_hw_40xx.c b/drivers/accel/ivpu/ivpu_hw_40xx.c deleted file mode 100644 index b0b88d4c8926..000000000000 --- a/drivers/accel/ivpu/ivpu_hw_40xx.c +++ /dev/null @@ -1,1250 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2020-2023 Intel Corporation - */ - -#include "ivpu_drv.h" -#include "ivpu_fw.h" -#include "ivpu_hw.h" -#include "ivpu_hw_40xx_reg.h" -#include "ivpu_hw_reg_io.h" -#include "ivpu_ipc.h" -#include "ivpu_mmu.h" -#include "ivpu_pm.h" - -#include <linux/dmi.h> - -#define TILE_MAX_NUM 6 -#define TILE_MAX_MASK 0x3f - -#define LNL_HW_ID 0x4040 - -#define SKU_TILE_SHIFT 0u -#define SKU_TILE_MASK 0x0000ffffu -#define SKU_HW_ID_SHIFT 16u -#define SKU_HW_ID_MASK 0xffff0000u - -#define PLL_CONFIG_DEFAULT 0x0 -#define PLL_CDYN_DEFAULT 0x80 -#define PLL_EPP_DEFAULT 0x80 -#define PLL_REF_CLK_FREQ (50 * 1000000) -#define PLL_RATIO_TO_FREQ(x) ((x) * PLL_REF_CLK_FREQ) - -#define PLL_PROFILING_FREQ_DEFAULT 38400000 -#define PLL_PROFILING_FREQ_HIGH 400000000 - -#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 (5 * USEC_PER_MSEC) - -#define WEIGHTS_DEFAULT 0xf711f711u -#define WEIGHTS_ATS_DEFAULT 0x0000f711u - -#define ICB_0_IRQ_MASK ((REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, HOST_IPC_FIFO_INT)) | \ - (REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_0_INT)) | \ - (REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_1_INT)) | \ - (REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_2_INT)) | \ - (REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, NOC_FIREWALL_INT)) | \ - (REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_0_INT)) | \ - (REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_1_INT))) - -#define ICB_1_IRQ_MASK ((REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_1, CPU_INT_REDIRECT_2_INT)) | \ - (REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_1, CPU_INT_REDIRECT_3_INT)) | \ - (REG_FLD(VPU_40XX_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_40XX_BUTTRESS_INTERRUPT_STAT, ATS_ERR)) | \ - (REG_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, CFI0_ERR)) | \ - (REG_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, CFI1_ERR)) | \ - (REG_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, IMR0_ERR)) | \ - (REG_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, IMR1_ERR)) | \ - (REG_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, SURV_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_40XX_HOST_SS_FW_SOC_IRQ_EN, CSS_ROM_CMX)) | \ - (REG_FLD(VPU_40XX_HOST_SS_FW_SOC_IRQ_EN, CSS_DBG)) | \ - (REG_FLD(VPU_40XX_HOST_SS_FW_SOC_IRQ_EN, CSS_CTRL)) | \ - (REG_FLD(VPU_40XX_HOST_SS_FW_SOC_IRQ_EN, DEC400)) | \ - (REG_FLD(VPU_40XX_HOST_SS_FW_SOC_IRQ_EN, MSS_NCE)) | \ - (REG_FLD(VPU_40XX_HOST_SS_FW_SOC_IRQ_EN, MSS_MBI)) | \ - (REG_FLD(VPU_40XX_HOST_SS_FW_SOC_IRQ_EN, MSS_MBI_CMX))) - -static char *ivpu_platform_to_str(u32 platform) -{ - switch (platform) { - case IVPU_PLATFORM_SILICON: - return "SILICON"; - case IVPU_PLATFORM_SIMICS: - return "SIMICS"; - case IVPU_PLATFORM_FPGA: - return "FPGA"; - default: - return "Invalid platform"; - } -} - -static const struct dmi_system_id ivpu_dmi_platform_simulation[] = { - { - .ident = "Intel Simics", - .matches = { - DMI_MATCH(DMI_BOARD_NAME, "lnlrvp"), - DMI_MATCH(DMI_BOARD_VERSION, "1.0"), - DMI_MATCH(DMI_BOARD_SERIAL, "123456789"), - }, - }, - { - .ident = "Intel Simics", - .matches = { - DMI_MATCH(DMI_BOARD_NAME, "Simics"), - }, - }, - { } -}; - -static void ivpu_hw_read_platform(struct ivpu_device *vdev) -{ - if (dmi_check_system(ivpu_dmi_platform_simulation)) - vdev->platform = IVPU_PLATFORM_SIMICS; - 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; - - if (ivpu_hw_gen(vdev) == IVPU_HW_40XX) - vdev->wa.disable_clock_relinquish = true; - - IVPU_PRINT_WA(punit_disabled); - IVPU_PRINT_WA(clear_runtime_mem); - IVPU_PRINT_WA(disable_clock_relinquish); -} - -static void ivpu_hw_timeouts_init(struct ivpu_device *vdev) -{ - if (ivpu_is_fpga(vdev)) { - vdev->timeout.boot = 100000; - vdev->timeout.jsm = 50000; - vdev->timeout.tdr = 2000000; - vdev->timeout.reschedule_suspend = 1000; - vdev->timeout.autosuspend = -1; - vdev->timeout.d0i3_entry_msg = 500; - } else if (ivpu_is_simics(vdev)) { - vdev->timeout.boot = 50; - vdev->timeout.jsm = 500; - vdev->timeout.tdr = 10000; - vdev->timeout.reschedule_suspend = 10; - vdev->timeout.autosuspend = -1; - vdev->timeout.d0i3_entry_msg = 100; - } else { - vdev->timeout.boot = 1000; - vdev->timeout.jsm = 500; - vdev->timeout.tdr = 2000; - vdev->timeout.reschedule_suspend = 10; - vdev->timeout.autosuspend = 10; - vdev->timeout.d0i3_entry_msg = 5; - } -} - -static int ivpu_pll_wait_for_cmd_send(struct ivpu_device *vdev) -{ - return REGB_POLL_FLD(VPU_40XX_BUTTRESS_WP_REQ_CMD, SEND, 0, PLL_TIMEOUT_US); -} - -static int ivpu_pll_cmd_send(struct ivpu_device *vdev, u16 min_ratio, u16 max_ratio, - u16 target_ratio, u16 epp, u16 config, u16 cdyn) -{ - 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_40XX_BUTTRESS_WP_REQ_PAYLOAD0); - val = REG_SET_FLD_NUM(VPU_40XX_BUTTRESS_WP_REQ_PAYLOAD0, MIN_RATIO, min_ratio, val); - val = REG_SET_FLD_NUM(VPU_40XX_BUTTRESS_WP_REQ_PAYLOAD0, MAX_RATIO, max_ratio, val); - REGB_WR32(VPU_40XX_BUTTRESS_WP_REQ_PAYLOAD0, val); - - val = REGB_RD32(VPU_40XX_BUTTRESS_WP_REQ_PAYLOAD1); - val = REG_SET_FLD_NUM(VPU_40XX_BUTTRESS_WP_REQ_PAYLOAD1, TARGET_RATIO, target_ratio, val); - val = REG_SET_FLD_NUM(VPU_40XX_BUTTRESS_WP_REQ_PAYLOAD1, EPP, epp, val); - REGB_WR32(VPU_40XX_BUTTRESS_WP_REQ_PAYLOAD1, val); - - val = REGB_RD32(VPU_40XX_BUTTRESS_WP_REQ_PAYLOAD2); - val = REG_SET_FLD_NUM(VPU_40XX_BUTTRESS_WP_REQ_PAYLOAD2, CONFIG, config, val); - val = REG_SET_FLD_NUM(VPU_40XX_BUTTRESS_WP_REQ_PAYLOAD2, CDYN, cdyn, val); - REGB_WR32(VPU_40XX_BUTTRESS_WP_REQ_PAYLOAD2, val); - - val = REGB_RD32(VPU_40XX_BUTTRESS_WP_REQ_CMD); - val = REG_SET_FLD(VPU_40XX_BUTTRESS_WP_REQ_CMD, SEND, val); - REGB_WR32(VPU_40XX_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_status_ready(struct ivpu_device *vdev) -{ - return REGB_POLL_FLD(VPU_40XX_BUTTRESS_VPU_STATUS, READY, 1, PLL_TIMEOUT_US); -} - -static int ivpu_wait_for_clock_own_resource_ack(struct ivpu_device *vdev) -{ - if (ivpu_is_simics(vdev)) - return 0; - - return REGB_POLL_FLD(VPU_40XX_BUTTRESS_VPU_STATUS, CLOCK_RESOURCE_OWN_ACK, 1, 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_pn_ratio, fuse_max_ratio; - u32 fmin_fuse, fmax_fuse; - - fmin_fuse = REGB_RD32(VPU_40XX_BUTTRESS_FMIN_FUSE); - fuse_min_ratio = REG_GET_FLD(VPU_40XX_BUTTRESS_FMIN_FUSE, MIN_RATIO, fmin_fuse); - fuse_pn_ratio = REG_GET_FLD(VPU_40XX_BUTTRESS_FMIN_FUSE, PN_RATIO, fmin_fuse); - - fmax_fuse = REGB_RD32(VPU_40XX_BUTTRESS_FMAX_FUSE); - fuse_max_ratio = REG_GET_FLD(VPU_40XX_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_pll_drive(struct ivpu_device *vdev, bool enable) -{ - u16 config = enable ? PLL_CONFIG_DEFAULT : 0; - u16 cdyn = enable ? PLL_CDYN_DEFAULT : 0; - u16 epp = enable ? PLL_EPP_DEFAULT : 0; - struct ivpu_hw_info *hw = vdev->hw; - u16 target_ratio = hw->pll.pn_ratio; - int ret; - - ivpu_dbg(vdev, PM, "PLL workpoint request: %u Hz, epp: 0x%x, config: 0x%x, cdyn: 0x%x\n", - PLL_RATIO_TO_FREQ(target_ratio), epp, config, cdyn); - - ret = ivpu_pll_cmd_send(vdev, hw->pll.min_ratio, hw->pll.max_ratio, - target_ratio, epp, config, cdyn); - if (ret) { - ivpu_err(vdev, "Failed to send PLL workpoint request: %d\n", ret); - 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; - } - } - - 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_drive(struct ivpu_device *vdev, bool enable) -{ - u32 val = REGV_RD32(VPU_40XX_HOST_SS_CPR_RST_EN); - - if (enable) { - val = REG_SET_FLD(VPU_40XX_HOST_SS_CPR_RST_EN, TOP_NOC, val); - val = REG_SET_FLD(VPU_40XX_HOST_SS_CPR_RST_EN, DSS_MAS, val); - val = REG_SET_FLD(VPU_40XX_HOST_SS_CPR_RST_EN, CSS_MAS, val); - } else { - val = REG_CLR_FLD(VPU_40XX_HOST_SS_CPR_RST_EN, TOP_NOC, val); - val = REG_CLR_FLD(VPU_40XX_HOST_SS_CPR_RST_EN, DSS_MAS, val); - val = REG_CLR_FLD(VPU_40XX_HOST_SS_CPR_RST_EN, CSS_MAS, val); - } - - REGV_WR32(VPU_40XX_HOST_SS_CPR_RST_EN, val); -} - -static void ivpu_boot_host_ss_clk_drive(struct ivpu_device *vdev, bool enable) -{ - u32 val = REGV_RD32(VPU_40XX_HOST_SS_CPR_CLK_EN); - - if (enable) { - val = REG_SET_FLD(VPU_40XX_HOST_SS_CPR_CLK_EN, TOP_NOC, val); - val = REG_SET_FLD(VPU_40XX_HOST_SS_CPR_CLK_EN, DSS_MAS, val); - val = REG_SET_FLD(VPU_40XX_HOST_SS_CPR_CLK_EN, CSS_MAS, val); - } else { - val = REG_CLR_FLD(VPU_40XX_HOST_SS_CPR_CLK_EN, TOP_NOC, val); - val = REG_CLR_FLD(VPU_40XX_HOST_SS_CPR_CLK_EN, DSS_MAS, val); - val = REG_CLR_FLD(VPU_40XX_HOST_SS_CPR_CLK_EN, CSS_MAS, val); - } - - REGV_WR32(VPU_40XX_HOST_SS_CPR_CLK_EN, val); -} - -static int ivpu_boot_noc_qreqn_check(struct ivpu_device *vdev, u32 exp_val) -{ - u32 val = REGV_RD32(VPU_40XX_HOST_SS_NOC_QREQN); - - if (!REG_TEST_FLD_NUM(VPU_40XX_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_40XX_HOST_SS_NOC_QACCEPTN); - - if (!REG_TEST_FLD_NUM(VPU_40XX_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_40XX_HOST_SS_NOC_QDENY); - - if (!REG_TEST_FLD_NUM(VPU_40XX_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(VPU_40XX_TOP_NOC_QREQN); - - if (!REG_TEST_FLD_NUM(VPU_40XX_TOP_NOC_QREQN, CPU_CTRL, exp_val, val) || - !REG_TEST_FLD_NUM(VPU_40XX_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(VPU_40XX_TOP_NOC_QACCEPTN); - - if (!REG_TEST_FLD_NUM(VPU_40XX_TOP_NOC_QACCEPTN, CPU_CTRL, exp_val, val) || - !REG_TEST_FLD_NUM(VPU_40XX_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(VPU_40XX_TOP_NOC_QDENY); - - if (!REG_TEST_FLD_NUM(VPU_40XX_TOP_NOC_QDENY, CPU_CTRL, exp_val, val) || - !REG_TEST_FLD_NUM(VPU_40XX_TOP_NOC_QDENY, HOSTIF_L2CACHE, exp_val, val)) - return -EIO; - - return 0; -} - -static void ivpu_boot_idle_gen_drive(struct ivpu_device *vdev, bool enable) -{ - u32 val = REGV_RD32(VPU_40XX_HOST_SS_AON_IDLE_GEN); - - if (enable) - val = REG_SET_FLD(VPU_40XX_HOST_SS_AON_IDLE_GEN, EN, val); - else - val = REG_CLR_FLD(VPU_40XX_HOST_SS_AON_IDLE_GEN, EN, val); - - REGV_WR32(VPU_40XX_HOST_SS_AON_IDLE_GEN, val); -} - -static int ivpu_boot_host_ss_check(struct ivpu_device *vdev) -{ - int ret; - - ret = ivpu_boot_noc_qreqn_check(vdev, 0x0); - if (ret) { - ivpu_err(vdev, "Failed qreqn check: %d\n", ret); - return ret; - } - - ret = ivpu_boot_noc_qacceptn_check(vdev, 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_drive(struct ivpu_device *vdev, bool enable) -{ - int ret; - u32 val; - - val = REGV_RD32(VPU_40XX_HOST_SS_NOC_QREQN); - if (enable) - val = REG_SET_FLD(VPU_40XX_HOST_SS_NOC_QREQN, TOP_SOCMMIO, val); - else - val = REG_CLR_FLD(VPU_40XX_HOST_SS_NOC_QREQN, TOP_SOCMMIO, val); - REGV_WR32(VPU_40XX_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; - } - - if (enable) { - REGB_WR32(VPU_40XX_BUTTRESS_PORT_ARBITRATION_WEIGHTS, WEIGHTS_DEFAULT); - REGB_WR32(VPU_40XX_BUTTRESS_PORT_ARBITRATION_WEIGHTS_ATS, WEIGHTS_ATS_DEFAULT); - } - - 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(VPU_40XX_TOP_NOC_QREQN); - if (enable) { - val = REG_SET_FLD(VPU_40XX_TOP_NOC_QREQN, CPU_CTRL, val); - val = REG_SET_FLD(VPU_40XX_TOP_NOC_QREQN, HOSTIF_L2CACHE, val); - } else { - val = REG_CLR_FLD(VPU_40XX_TOP_NOC_QREQN, CPU_CTRL, val); - val = REG_CLR_FLD(VPU_40XX_TOP_NOC_QREQN, HOSTIF_L2CACHE, val); - } - REGV_WR32(VPU_40XX_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_40XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0); - - if (enable) - val = REG_SET_FLD(VPU_40XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0, CSS_CPU, val); - else - val = REG_CLR_FLD(VPU_40XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0, CSS_CPU, val); - - REGV_WR32(VPU_40XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0, val); - - if (enable) - ndelay(500); -} - -static void ivpu_boot_pwr_island_drive(struct ivpu_device *vdev, bool enable) -{ - u32 val = REGV_RD32(VPU_40XX_HOST_SS_AON_PWR_ISLAND_EN0); - - if (enable) - val = REG_SET_FLD(VPU_40XX_HOST_SS_AON_PWR_ISLAND_EN0, CSS_CPU, val); - else - val = REG_CLR_FLD(VPU_40XX_HOST_SS_AON_PWR_ISLAND_EN0, CSS_CPU, val); - - REGV_WR32(VPU_40XX_HOST_SS_AON_PWR_ISLAND_EN0, val); - - if (!enable) - ndelay(500); -} - -static int ivpu_boot_wait_for_pwr_island_status(struct ivpu_device *vdev, u32 exp_val) -{ - if (ivpu_is_fpga(vdev)) - return 0; - - return REGV_POLL_FLD(VPU_40XX_HOST_SS_AON_PWR_ISLAND_STATUS0, CSS_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_40XX_HOST_SS_AON_PWR_ISO_EN0); - - if (enable) - val = REG_SET_FLD(VPU_40XX_HOST_SS_AON_PWR_ISO_EN0, CSS_CPU, val); - else - val = REG_CLR_FLD(VPU_40XX_HOST_SS_AON_PWR_ISO_EN0, CSS_CPU, val); - - REGV_WR32(VPU_40XX_HOST_SS_AON_PWR_ISO_EN0, val); -} - -static void ivpu_boot_no_snoop_enable(struct ivpu_device *vdev) -{ - u32 val = REGV_RD32(VPU_40XX_HOST_IF_TCU_PTW_OVERRIDES); - - val = REG_SET_FLD(VPU_40XX_HOST_IF_TCU_PTW_OVERRIDES, SNOOP_OVERRIDE_EN, val); - val = REG_SET_FLD(VPU_40XX_HOST_IF_TCU_PTW_OVERRIDES, AW_SNOOP_OVERRIDE, val); - val = REG_CLR_FLD(VPU_40XX_HOST_IF_TCU_PTW_OVERRIDES, AR_SNOOP_OVERRIDE, val); - - REGV_WR32(VPU_40XX_HOST_IF_TCU_PTW_OVERRIDES, val); -} - -static void ivpu_boot_tbu_mmu_enable(struct ivpu_device *vdev) -{ - u32 val = REGV_RD32(VPU_40XX_HOST_IF_TBU_MMUSSIDV); - - val = REG_SET_FLD(VPU_40XX_HOST_IF_TBU_MMUSSIDV, TBU0_AWMMUSSIDV, val); - val = REG_SET_FLD(VPU_40XX_HOST_IF_TBU_MMUSSIDV, TBU0_ARMMUSSIDV, val); - val = REG_SET_FLD(VPU_40XX_HOST_IF_TBU_MMUSSIDV, TBU1_AWMMUSSIDV, val); - val = REG_SET_FLD(VPU_40XX_HOST_IF_TBU_MMUSSIDV, TBU1_ARMMUSSIDV, val); - val = REG_SET_FLD(VPU_40XX_HOST_IF_TBU_MMUSSIDV, TBU2_AWMMUSSIDV, val); - val = REG_SET_FLD(VPU_40XX_HOST_IF_TBU_MMUSSIDV, TBU2_ARMMUSSIDV, val); - - REGV_WR32(VPU_40XX_HOST_IF_TBU_MMUSSIDV, val); -} - -static int ivpu_boot_cpu_noc_qacceptn_check(struct ivpu_device *vdev, u32 exp_val) -{ - u32 val = REGV_RD32(VPU_40XX_CPU_SS_CPR_NOC_QACCEPTN); - - if (!REG_TEST_FLD_NUM(VPU_40XX_CPU_SS_CPR_NOC_QACCEPTN, TOP_MMIO, exp_val, val)) - return -EIO; - - return 0; -} - -static int ivpu_boot_cpu_noc_qdeny_check(struct ivpu_device *vdev, u32 exp_val) -{ - u32 val = REGV_RD32(VPU_40XX_CPU_SS_CPR_NOC_QDENY); - - if (!REG_TEST_FLD_NUM(VPU_40XX_CPU_SS_CPR_NOC_QDENY, TOP_MMIO, exp_val, val)) - return -EIO; - - return 0; -} - -static int ivpu_boot_pwr_domain_enable(struct ivpu_device *vdev) -{ - int ret; - - ret = ivpu_wait_for_clock_own_resource_ack(vdev); - if (ret) { - ivpu_err(vdev, "Timed out waiting for clock own resource ACK\n"); - return 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_host_ss_rst_drive(vdev, true); - ivpu_boot_pwr_island_isolation_drive(vdev, false); - - return ret; -} - -static int ivpu_boot_soc_cpu_drive(struct ivpu_device *vdev, bool enable) -{ - int ret; - u32 val; - - val = REGV_RD32(VPU_40XX_CPU_SS_CPR_NOC_QREQN); - if (enable) - val = REG_SET_FLD(VPU_40XX_CPU_SS_CPR_NOC_QREQN, TOP_MMIO, val); - else - val = REG_CLR_FLD(VPU_40XX_CPU_SS_CPR_NOC_QREQN, TOP_MMIO, val); - REGV_WR32(VPU_40XX_CPU_SS_CPR_NOC_QREQN, val); - - ret = ivpu_boot_cpu_noc_qacceptn_check(vdev, enable ? 0x1 : 0x0); - if (ret) { - ivpu_err(vdev, "Failed qacceptn check: %d\n", ret); - return ret; - } - - ret = ivpu_boot_cpu_noc_qdeny_check(vdev, 0x0); - if (ret) - ivpu_err(vdev, "Failed qdeny check: %d\n", ret); - - return ret; -} - -static int ivpu_boot_soc_cpu_enable(struct ivpu_device *vdev) -{ - return ivpu_boot_soc_cpu_drive(vdev, true); -} - -static int ivpu_boot_soc_cpu_boot(struct ivpu_device *vdev) -{ - int ret; - u32 val; - u64 val64; - - ret = ivpu_boot_soc_cpu_enable(vdev); - if (ret) { - ivpu_err(vdev, "Failed to enable SOC CPU: %d\n", ret); - return ret; - } - - val64 = vdev->fw->entry_point; - val64 <<= ffs(VPU_40XX_HOST_SS_VERIFICATION_ADDRESS_LO_IMAGE_LOCATION_MASK) - 1; - REGV_WR64(VPU_40XX_HOST_SS_VERIFICATION_ADDRESS_LO, val64); - - val = REGV_RD32(VPU_40XX_HOST_SS_VERIFICATION_ADDRESS_LO); - val = REG_SET_FLD(VPU_40XX_HOST_SS_VERIFICATION_ADDRESS_LO, DONE, val); - REGV_WR32(VPU_40XX_HOST_SS_VERIFICATION_ADDRESS_LO, val); - - ivpu_dbg(vdev, PM, "Booting firmware, mode: %s\n", - ivpu_fw_is_cold_boot(vdev) ? "cold boot" : "resume"); - - return 0; -} - -static int ivpu_boot_d0i3_drive(struct ivpu_device *vdev, bool enable) -{ - int ret; - u32 val; - - ret = REGB_POLL_FLD(VPU_40XX_BUTTRESS_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_40XX_BUTTRESS_D0I3_CONTROL); - if (enable) - val = REG_SET_FLD(VPU_40XX_BUTTRESS_D0I3_CONTROL, I3, val); - else - val = REG_CLR_FLD(VPU_40XX_BUTTRESS_D0I3_CONTROL, I3, val); - REGB_WR32(VPU_40XX_BUTTRESS_D0I3_CONTROL, val); - - ret = REGB_POLL_FLD(VPU_40XX_BUTTRESS_D0I3_CONTROL, INPROGRESS, 0, TIMEOUT_US); - if (ret) { - ivpu_err(vdev, "Failed to sync after D0i3 transition: %d\n", ret); - return ret; - } - - return 0; -} - -static bool ivpu_tile_disable_check(u32 config) -{ - /* Allowed values: 0 or one bit from range 0-5 (6 tiles) */ - if (config == 0) - return true; - - if (config > BIT(TILE_MAX_NUM - 1)) - return false; - - if ((config & (config - 1)) == 0) - return true; - - return false; -} - -static int ivpu_hw_40xx_info_init(struct ivpu_device *vdev) -{ - struct ivpu_hw_info *hw = vdev->hw; - u32 tile_disable; - u32 fuse; - - fuse = REGB_RD32(VPU_40XX_BUTTRESS_TILE_FUSE); - if (!REG_TEST_FLD(VPU_40XX_BUTTRESS_TILE_FUSE, VALID, fuse)) { - ivpu_err(vdev, "Fuse: invalid (0x%x)\n", fuse); - return -EIO; - } - - tile_disable = REG_GET_FLD(VPU_40XX_BUTTRESS_TILE_FUSE, CONFIG, fuse); - if (!ivpu_tile_disable_check(tile_disable)) { - ivpu_err(vdev, "Fuse: Invalid tile disable config (0x%x)\n", tile_disable); - return -EIO; - } - - if (tile_disable) - ivpu_dbg(vdev, MISC, "Fuse: %d tiles enabled. Tile number %d disabled\n", - TILE_MAX_NUM - 1, ffs(tile_disable) - 1); - else - ivpu_dbg(vdev, MISC, "Fuse: All %d tiles enabled\n", TILE_MAX_NUM); - - hw->tile_fuse = tile_disable; - hw->pll.profiling_freq = PLL_PROFILING_FREQ_DEFAULT; - - ivpu_pll_init_frequency_ratios(vdev); - - ivpu_hw_init_range(&vdev->hw->ranges.global, 0x80000000, SZ_512M); - ivpu_hw_init_range(&vdev->hw->ranges.user, 0x80000000, SZ_256M); - ivpu_hw_init_range(&vdev->hw->ranges.shave, 0x80000000 + SZ_256M, SZ_2G - SZ_256M); - ivpu_hw_init_range(&vdev->hw->ranges.dma, 0x200000000, SZ_8G); - - ivpu_hw_read_platform(vdev); - ivpu_hw_wa_init(vdev); - ivpu_hw_timeouts_init(vdev); - - return 0; -} - -static int ivpu_hw_40xx_ip_reset(struct ivpu_device *vdev) -{ - int ret; - u32 val; - - ret = REGB_POLL_FLD(VPU_40XX_BUTTRESS_IP_RESET, TRIGGER, 0, TIMEOUT_US); - if (ret) { - ivpu_err(vdev, "Wait for *_TRIGGER timed out\n"); - return ret; - } - - val = REGB_RD32(VPU_40XX_BUTTRESS_IP_RESET); - val = REG_SET_FLD(VPU_40XX_BUTTRESS_IP_RESET, TRIGGER, val); - REGB_WR32(VPU_40XX_BUTTRESS_IP_RESET, val); - - ret = REGB_POLL_FLD(VPU_40XX_BUTTRESS_IP_RESET, TRIGGER, 0, TIMEOUT_US); - if (ret) - ivpu_err(vdev, "Timed out waiting for RESET completion\n"); - - return ret; -} - -static int ivpu_hw_40xx_reset(struct ivpu_device *vdev) -{ - int ret = 0; - - if (ivpu_hw_40xx_ip_reset(vdev)) { - ivpu_err(vdev, "Failed to reset NPU IP\n"); - ret = -EIO; - } - - if (ivpu_pll_disable(vdev)) { - ivpu_err(vdev, "Failed to disable PLL\n"); - ret = -EIO; - } - - return ret; -} - -static int ivpu_hw_40xx_d0i3_enable(struct ivpu_device *vdev) -{ - int ret; - - if (IVPU_WA(punit_disabled)) - return 0; - - 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_40xx_d0i3_disable(struct ivpu_device *vdev) -{ - int ret; - - if (IVPU_WA(punit_disabled)) - return 0; - - ret = ivpu_boot_d0i3_drive(vdev, false); - if (ret) - ivpu_err(vdev, "Failed to disable D0i3: %d\n", ret); - - return ret; -} - -static void ivpu_hw_40xx_profiling_freq_reg_set(struct ivpu_device *vdev) -{ - u32 val = REGB_RD32(VPU_40XX_BUTTRESS_VPU_STATUS); - - if (vdev->hw->pll.profiling_freq == PLL_PROFILING_FREQ_DEFAULT) - val = REG_CLR_FLD(VPU_40XX_BUTTRESS_VPU_STATUS, PERF_CLK, val); - else - val = REG_SET_FLD(VPU_40XX_BUTTRESS_VPU_STATUS, PERF_CLK, val); - - REGB_WR32(VPU_40XX_BUTTRESS_VPU_STATUS, val); -} - -static void ivpu_hw_40xx_ats_print(struct ivpu_device *vdev) -{ - ivpu_dbg(vdev, MISC, "Buttress ATS: %s\n", - REGB_RD32(VPU_40XX_BUTTRESS_HM_ATS) ? "Enable" : "Disable"); -} - -static void ivpu_hw_40xx_clock_relinquish_disable(struct ivpu_device *vdev) -{ - u32 val = REGB_RD32(VPU_40XX_BUTTRESS_VPU_STATUS); - - val = REG_SET_FLD(VPU_40XX_BUTTRESS_VPU_STATUS, DISABLE_CLK_RELINQUISH, val); - REGB_WR32(VPU_40XX_BUTTRESS_VPU_STATUS, val); -} - -static int ivpu_hw_40xx_power_up(struct ivpu_device *vdev) -{ - int ret; - - ret = ivpu_hw_40xx_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; - } - - if (IVPU_WA(disable_clock_relinquish)) - ivpu_hw_40xx_clock_relinquish_disable(vdev); - ivpu_hw_40xx_profiling_freq_reg_set(vdev); - ivpu_hw_40xx_ats_print(vdev); - - ret = ivpu_boot_host_ss_check(vdev); - if (ret) { - ivpu_err(vdev, "Failed to configure host SS: %d\n", ret); - return ret; - } - - ivpu_boot_idle_gen_drive(vdev, false); - - 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_40xx_boot_fw(struct ivpu_device *vdev) -{ - int ret; - - ivpu_boot_no_snoop_enable(vdev); - ivpu_boot_tbu_mmu_enable(vdev); - - ret = ivpu_boot_soc_cpu_boot(vdev); - if (ret) - ivpu_err(vdev, "Failed to boot SOC CPU: %d\n", ret); - - return ret; -} - -static bool ivpu_hw_40xx_is_idle(struct ivpu_device *vdev) -{ - u32 val; - - if (IVPU_WA(punit_disabled)) - return true; - - val = REGB_RD32(VPU_40XX_BUTTRESS_VPU_STATUS); - return REG_TEST_FLD(VPU_40XX_BUTTRESS_VPU_STATUS, READY, val) && - REG_TEST_FLD(VPU_40XX_BUTTRESS_VPU_STATUS, IDLE, val); -} - -static int ivpu_hw_40xx_wait_for_idle(struct ivpu_device *vdev) -{ - return REGB_POLL_FLD(VPU_40XX_BUTTRESS_VPU_STATUS, IDLE, 0x1, IDLE_TIMEOUT_US); -} - -static void ivpu_hw_40xx_save_d0i3_entry_timestamp(struct ivpu_device *vdev) -{ - vdev->hw->d0i3_entry_host_ts = ktime_get_boottime(); - vdev->hw->d0i3_entry_vpu_ts = REGV_RD64(VPU_40XX_CPU_SS_TIM_PERF_EXT_FREE_CNT); -} - -static int ivpu_hw_40xx_power_down(struct ivpu_device *vdev) -{ - int ret = 0; - - ivpu_hw_40xx_save_d0i3_entry_timestamp(vdev); - - if (!ivpu_hw_40xx_is_idle(vdev) && ivpu_hw_40xx_ip_reset(vdev)) - ivpu_warn(vdev, "Failed to reset the NPU\n"); - - if (ivpu_pll_disable(vdev)) { - ivpu_err(vdev, "Failed to disable PLL\n"); - ret = -EIO; - } - - if (ivpu_hw_40xx_d0i3_enable(vdev)) { - ivpu_err(vdev, "Failed to enter D0I3\n"); - ret = -EIO; - } - - return ret; -} - -static void ivpu_hw_40xx_wdt_disable(struct ivpu_device *vdev) -{ - u32 val; - - REGV_WR32(VPU_40XX_CPU_SS_TIM_SAFE, TIM_SAFE_ENABLE); - REGV_WR32(VPU_40XX_CPU_SS_TIM_WATCHDOG, TIM_WATCHDOG_RESET_VALUE); - - REGV_WR32(VPU_40XX_CPU_SS_TIM_SAFE, TIM_SAFE_ENABLE); - REGV_WR32(VPU_40XX_CPU_SS_TIM_WDOG_EN, 0); - - val = REGV_RD32(VPU_40XX_CPU_SS_TIM_GEN_CONFIG); - val = REG_CLR_FLD(VPU_40XX_CPU_SS_TIM_GEN_CONFIG, WDOG_TO_INT_CLR, val); - REGV_WR32(VPU_40XX_CPU_SS_TIM_GEN_CONFIG, val); -} - -static u32 ivpu_hw_40xx_profiling_freq_get(struct ivpu_device *vdev) -{ - return vdev->hw->pll.profiling_freq; -} - -static void ivpu_hw_40xx_profiling_freq_drive(struct ivpu_device *vdev, bool enable) -{ - if (enable) - vdev->hw->pll.profiling_freq = PLL_PROFILING_FREQ_HIGH; - else - vdev->hw->pll.profiling_freq = PLL_PROFILING_FREQ_DEFAULT; -} - -/* Register indirect accesses */ -static u32 ivpu_hw_40xx_reg_pll_freq_get(struct ivpu_device *vdev) -{ - u32 pll_curr_ratio; - - pll_curr_ratio = REGB_RD32(VPU_40XX_BUTTRESS_PLL_FREQ); - pll_curr_ratio &= VPU_40XX_BUTTRESS_PLL_FREQ_RATIO_MASK; - - return PLL_RATIO_TO_FREQ(pll_curr_ratio); -} - -static u32 ivpu_hw_40xx_ratio_to_freq(struct ivpu_device *vdev, u32 ratio) -{ - return PLL_RATIO_TO_FREQ(ratio); -} - -static u32 ivpu_hw_40xx_reg_telemetry_offset_get(struct ivpu_device *vdev) -{ - return REGB_RD32(VPU_40XX_BUTTRESS_VPU_TELEMETRY_OFFSET); -} - -static u32 ivpu_hw_40xx_reg_telemetry_size_get(struct ivpu_device *vdev) -{ - return REGB_RD32(VPU_40XX_BUTTRESS_VPU_TELEMETRY_SIZE); -} - -static u32 ivpu_hw_40xx_reg_telemetry_enable_get(struct ivpu_device *vdev) -{ - return REGB_RD32(VPU_40XX_BUTTRESS_VPU_TELEMETRY_ENABLE); -} - -static void ivpu_hw_40xx_reg_db_set(struct ivpu_device *vdev, u32 db_id) -{ - u32 reg_stride = VPU_40XX_CPU_SS_DOORBELL_1 - VPU_40XX_CPU_SS_DOORBELL_0; - u32 val = REG_FLD(VPU_40XX_CPU_SS_DOORBELL_0, SET); - - REGV_WR32I(VPU_40XX_CPU_SS_DOORBELL_0, reg_stride, db_id, val); -} - -static u32 ivpu_hw_40xx_reg_ipc_rx_addr_get(struct ivpu_device *vdev) -{ - return REGV_RD32(VPU_40XX_HOST_SS_TIM_IPC_FIFO_ATM); -} - -static u32 ivpu_hw_40xx_reg_ipc_rx_count_get(struct ivpu_device *vdev) -{ - u32 count = REGV_RD32_SILENT(VPU_40XX_HOST_SS_TIM_IPC_FIFO_STAT); - - return REG_GET_FLD(VPU_40XX_HOST_SS_TIM_IPC_FIFO_STAT, FILL_LEVEL, count); -} - -static void ivpu_hw_40xx_reg_ipc_tx_set(struct ivpu_device *vdev, u32 vpu_addr) -{ - REGV_WR32(VPU_40XX_CPU_SS_TIM_IPC_FIFO, vpu_addr); -} - -static void ivpu_hw_40xx_irq_clear(struct ivpu_device *vdev) -{ - REGV_WR64(VPU_40XX_HOST_SS_ICB_CLEAR_0, ICB_0_1_IRQ_MASK); -} - -static void ivpu_hw_40xx_irq_enable(struct ivpu_device *vdev) -{ - REGV_WR32(VPU_40XX_HOST_SS_FW_SOC_IRQ_EN, ITF_FIREWALL_VIOLATION_MASK); - REGV_WR64(VPU_40XX_HOST_SS_ICB_ENABLE_0, ICB_0_1_IRQ_MASK); - REGB_WR32(VPU_40XX_BUTTRESS_LOCAL_INT_MASK, BUTTRESS_IRQ_ENABLE_MASK); - REGB_WR32(VPU_40XX_BUTTRESS_GLOBAL_INT_MASK, 0x0); -} - -static void ivpu_hw_40xx_irq_disable(struct ivpu_device *vdev) -{ - REGB_WR32(VPU_40XX_BUTTRESS_GLOBAL_INT_MASK, 0x1); - REGB_WR32(VPU_40XX_BUTTRESS_LOCAL_INT_MASK, BUTTRESS_IRQ_DISABLE_MASK); - REGV_WR64(VPU_40XX_HOST_SS_ICB_ENABLE_0, 0x0ull); - REGV_WR32(VPU_40XX_HOST_SS_FW_SOC_IRQ_EN, 0x0ul); -} - -static void ivpu_hw_40xx_irq_wdt_nce_handler(struct ivpu_device *vdev) -{ - /* TODO: For LNN hang consider engine reset instead of full recovery */ - ivpu_pm_trigger_recovery(vdev, "WDT NCE IRQ"); -} - -static void ivpu_hw_40xx_irq_wdt_mss_handler(struct ivpu_device *vdev) -{ - ivpu_hw_wdt_disable(vdev); - ivpu_pm_trigger_recovery(vdev, "WDT MSS IRQ"); -} - -static void ivpu_hw_40xx_irq_noc_firewall_handler(struct ivpu_device *vdev) -{ - ivpu_pm_trigger_recovery(vdev, "NOC Firewall IRQ"); -} - -/* Handler for IRQs from VPU core (irqV) */ -static bool ivpu_hw_40xx_irqv_handler(struct ivpu_device *vdev, int irq, bool *wake_thread) -{ - u32 status = REGV_RD32(VPU_40XX_HOST_SS_ICB_STATUS_0) & ICB_0_IRQ_MASK; - - if (!status) - return false; - - REGV_WR32(VPU_40XX_HOST_SS_ICB_CLEAR_0, status); - - if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_0_INT, status)) - ivpu_mmu_irq_evtq_handler(vdev); - - if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, HOST_IPC_FIFO_INT, status)) - ivpu_ipc_irq_handler(vdev, wake_thread); - - if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_1_INT, status)) - ivpu_dbg(vdev, IRQ, "MMU sync complete\n"); - - if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_2_INT, status)) - ivpu_mmu_irq_gerr_handler(vdev); - - if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_0_INT, status)) - ivpu_hw_40xx_irq_wdt_mss_handler(vdev); - - if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_1_INT, status)) - ivpu_hw_40xx_irq_wdt_nce_handler(vdev); - - if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, NOC_FIREWALL_INT, status)) - ivpu_hw_40xx_irq_noc_firewall_handler(vdev); - - return true; -} - -/* Handler for IRQs from Buttress core (irqB) */ -static bool ivpu_hw_40xx_irqb_handler(struct ivpu_device *vdev, int irq) -{ - bool schedule_recovery = false; - u32 status = REGB_RD32(VPU_40XX_BUTTRESS_INTERRUPT_STAT) & BUTTRESS_IRQ_MASK; - - if (!status) - return false; - - if (REG_TEST_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, FREQ_CHANGE, status)) - ivpu_dbg(vdev, IRQ, "FREQ_CHANGE"); - - if (REG_TEST_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, ATS_ERR, status)) { - ivpu_err(vdev, "ATS_ERR LOG1 0x%08x ATS_ERR_LOG2 0x%08x\n", - REGB_RD32(VPU_40XX_BUTTRESS_ATS_ERR_LOG1), - REGB_RD32(VPU_40XX_BUTTRESS_ATS_ERR_LOG2)); - REGB_WR32(VPU_40XX_BUTTRESS_ATS_ERR_CLEAR, 0x1); - schedule_recovery = true; - } - - if (REG_TEST_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, CFI0_ERR, status)) { - ivpu_err(vdev, "CFI0_ERR 0x%08x", REGB_RD32(VPU_40XX_BUTTRESS_CFI0_ERR_LOG)); - REGB_WR32(VPU_40XX_BUTTRESS_CFI0_ERR_CLEAR, 0x1); - schedule_recovery = true; - } - - if (REG_TEST_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, CFI1_ERR, status)) { - ivpu_err(vdev, "CFI1_ERR 0x%08x", REGB_RD32(VPU_40XX_BUTTRESS_CFI1_ERR_LOG)); - REGB_WR32(VPU_40XX_BUTTRESS_CFI1_ERR_CLEAR, 0x1); - schedule_recovery = true; - } - - if (REG_TEST_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, IMR0_ERR, status)) { - ivpu_err(vdev, "IMR_ERR_CFI0 LOW: 0x%08x HIGH: 0x%08x", - REGB_RD32(VPU_40XX_BUTTRESS_IMR_ERR_CFI0_LOW), - REGB_RD32(VPU_40XX_BUTTRESS_IMR_ERR_CFI0_HIGH)); - REGB_WR32(VPU_40XX_BUTTRESS_IMR_ERR_CFI0_CLEAR, 0x1); - schedule_recovery = true; - } - - if (REG_TEST_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, IMR1_ERR, status)) { - ivpu_err(vdev, "IMR_ERR_CFI1 LOW: 0x%08x HIGH: 0x%08x", - REGB_RD32(VPU_40XX_BUTTRESS_IMR_ERR_CFI1_LOW), - REGB_RD32(VPU_40XX_BUTTRESS_IMR_ERR_CFI1_HIGH)); - REGB_WR32(VPU_40XX_BUTTRESS_IMR_ERR_CFI1_CLEAR, 0x1); - schedule_recovery = true; - } - - if (REG_TEST_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, SURV_ERR, status)) { - ivpu_err(vdev, "Survivability error detected\n"); - schedule_recovery = true; - } - - /* This must be done after interrupts are cleared at the source. */ - REGB_WR32(VPU_40XX_BUTTRESS_INTERRUPT_STAT, status); - - if (schedule_recovery) - ivpu_pm_trigger_recovery(vdev, "Buttress IRQ"); - - return true; -} - -static irqreturn_t ivpu_hw_40xx_irq_handler(int irq, void *ptr) -{ - bool irqv_handled, irqb_handled, wake_thread = false; - struct ivpu_device *vdev = ptr; - - REGB_WR32(VPU_40XX_BUTTRESS_GLOBAL_INT_MASK, 0x1); - - irqv_handled = ivpu_hw_40xx_irqv_handler(vdev, irq, &wake_thread); - irqb_handled = ivpu_hw_40xx_irqb_handler(vdev, irq); - - /* Re-enable global interrupts to re-trigger MSI for pending interrupts */ - REGB_WR32(VPU_40XX_BUTTRESS_GLOBAL_INT_MASK, 0x0); - - if (wake_thread) - return IRQ_WAKE_THREAD; - if (irqv_handled || irqb_handled) - return IRQ_HANDLED; - return IRQ_NONE; -} - -static void ivpu_hw_40xx_diagnose_failure(struct ivpu_device *vdev) -{ - u32 irqv = REGV_RD32(VPU_40XX_HOST_SS_ICB_STATUS_0) & ICB_0_IRQ_MASK; - u32 irqb = REGB_RD32(VPU_40XX_BUTTRESS_INTERRUPT_STAT) & BUTTRESS_IRQ_MASK; - - if (ivpu_hw_40xx_reg_ipc_rx_count_get(vdev)) - ivpu_err(vdev, "IPC FIFO queue not empty, missed IPC IRQ"); - - if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_0_INT, irqv)) - ivpu_err(vdev, "WDT MSS timeout detected\n"); - - if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_1_INT, irqv)) - ivpu_err(vdev, "WDT NCE timeout detected\n"); - - if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, NOC_FIREWALL_INT, irqv)) - ivpu_err(vdev, "NOC Firewall irq detected\n"); - - if (REG_TEST_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, ATS_ERR, irqb)) { - ivpu_err(vdev, "ATS_ERR_LOG1 0x%08x ATS_ERR_LOG2 0x%08x\n", - REGB_RD32(VPU_40XX_BUTTRESS_ATS_ERR_LOG1), - REGB_RD32(VPU_40XX_BUTTRESS_ATS_ERR_LOG2)); - } - - if (REG_TEST_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, CFI0_ERR, irqb)) - ivpu_err(vdev, "CFI0_ERR_LOG 0x%08x\n", REGB_RD32(VPU_40XX_BUTTRESS_CFI0_ERR_LOG)); - - if (REG_TEST_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, CFI1_ERR, irqb)) - ivpu_err(vdev, "CFI1_ERR_LOG 0x%08x\n", REGB_RD32(VPU_40XX_BUTTRESS_CFI1_ERR_LOG)); - - if (REG_TEST_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, IMR0_ERR, irqb)) - ivpu_err(vdev, "IMR_ERR_CFI0 LOW: 0x%08x HIGH: 0x%08x\n", - REGB_RD32(VPU_40XX_BUTTRESS_IMR_ERR_CFI0_LOW), - REGB_RD32(VPU_40XX_BUTTRESS_IMR_ERR_CFI0_HIGH)); - - if (REG_TEST_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, IMR1_ERR, irqb)) - ivpu_err(vdev, "IMR_ERR_CFI1 LOW: 0x%08x HIGH: 0x%08x\n", - REGB_RD32(VPU_40XX_BUTTRESS_IMR_ERR_CFI1_LOW), - REGB_RD32(VPU_40XX_BUTTRESS_IMR_ERR_CFI1_HIGH)); - - if (REG_TEST_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, SURV_ERR, irqb)) - ivpu_err(vdev, "Survivability error detected\n"); -} - -const struct ivpu_hw_ops ivpu_hw_40xx_ops = { - .info_init = ivpu_hw_40xx_info_init, - .power_up = ivpu_hw_40xx_power_up, - .is_idle = ivpu_hw_40xx_is_idle, - .wait_for_idle = ivpu_hw_40xx_wait_for_idle, - .power_down = ivpu_hw_40xx_power_down, - .reset = ivpu_hw_40xx_reset, - .boot_fw = ivpu_hw_40xx_boot_fw, - .wdt_disable = ivpu_hw_40xx_wdt_disable, - .diagnose_failure = ivpu_hw_40xx_diagnose_failure, - .profiling_freq_get = ivpu_hw_40xx_profiling_freq_get, - .profiling_freq_drive = ivpu_hw_40xx_profiling_freq_drive, - .reg_pll_freq_get = ivpu_hw_40xx_reg_pll_freq_get, - .ratio_to_freq = ivpu_hw_40xx_ratio_to_freq, - .reg_telemetry_offset_get = ivpu_hw_40xx_reg_telemetry_offset_get, - .reg_telemetry_size_get = ivpu_hw_40xx_reg_telemetry_size_get, - .reg_telemetry_enable_get = ivpu_hw_40xx_reg_telemetry_enable_get, - .reg_db_set = ivpu_hw_40xx_reg_db_set, - .reg_ipc_rx_addr_get = ivpu_hw_40xx_reg_ipc_rx_addr_get, - .reg_ipc_rx_count_get = ivpu_hw_40xx_reg_ipc_rx_count_get, - .reg_ipc_tx_set = ivpu_hw_40xx_reg_ipc_tx_set, - .irq_clear = ivpu_hw_40xx_irq_clear, - .irq_enable = ivpu_hw_40xx_irq_enable, - .irq_disable = ivpu_hw_40xx_irq_disable, - .irq_handler = ivpu_hw_40xx_irq_handler, -}; 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