| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (C) 2017-2018, Intel Corporation |
| * Copyright (C) 2015 Altera Corporation |
| */ |
| |
| #ifndef _ALTERA_EDAC_H |
| #define _ALTERA_EDAC_H |
| |
| #include <linux/arm-smccc.h> |
| #include <linux/edac.h> |
| #include <linux/types.h> |
| |
| /* SDRAM Controller CtrlCfg Register */ |
| #define CV_CTLCFG_OFST 0x00 |
| |
| /* SDRAM Controller CtrlCfg Register Bit Masks */ |
| #define CV_CTLCFG_ECC_EN 0x400 |
| #define CV_CTLCFG_ECC_CORR_EN 0x800 |
| #define CV_CTLCFG_GEN_SB_ERR 0x2000 |
| #define CV_CTLCFG_GEN_DB_ERR 0x4000 |
| |
| #define CV_CTLCFG_ECC_AUTO_EN (CV_CTLCFG_ECC_EN) |
| |
| /* SDRAM Controller Address Width Register */ |
| #define CV_DRAMADDRW_OFST 0x2C |
| |
| /* SDRAM Controller Address Widths Field Register */ |
| #define DRAMADDRW_COLBIT_MASK 0x001F |
| #define DRAMADDRW_COLBIT_SHIFT 0 |
| #define DRAMADDRW_ROWBIT_MASK 0x03E0 |
| #define DRAMADDRW_ROWBIT_SHIFT 5 |
| #define CV_DRAMADDRW_BANKBIT_MASK 0x1C00 |
| #define CV_DRAMADDRW_BANKBIT_SHIFT 10 |
| #define CV_DRAMADDRW_CSBIT_MASK 0xE000 |
| #define CV_DRAMADDRW_CSBIT_SHIFT 13 |
| |
| /* SDRAM Controller Interface Data Width Register */ |
| #define CV_DRAMIFWIDTH_OFST 0x30 |
| |
| /* SDRAM Controller Interface Data Width Defines */ |
| #define CV_DRAMIFWIDTH_16B_ECC 24 |
| #define CV_DRAMIFWIDTH_32B_ECC 40 |
| |
| /* SDRAM Controller DRAM Status Register */ |
| #define CV_DRAMSTS_OFST 0x38 |
| |
| /* SDRAM Controller DRAM Status Register Bit Masks */ |
| #define CV_DRAMSTS_SBEERR 0x04 |
| #define CV_DRAMSTS_DBEERR 0x08 |
| #define CV_DRAMSTS_CORR_DROP 0x10 |
| |
| /* SDRAM Controller DRAM IRQ Register */ |
| #define CV_DRAMINTR_OFST 0x3C |
| |
| /* SDRAM Controller DRAM IRQ Register Bit Masks */ |
| #define CV_DRAMINTR_INTREN 0x01 |
| #define CV_DRAMINTR_SBEMASK 0x02 |
| #define CV_DRAMINTR_DBEMASK 0x04 |
| #define CV_DRAMINTR_CORRDROPMASK 0x08 |
| #define CV_DRAMINTR_INTRCLR 0x10 |
| |
| /* SDRAM Controller Single Bit Error Count Register */ |
| #define CV_SBECOUNT_OFST 0x40 |
| |
| /* SDRAM Controller Double Bit Error Count Register */ |
| #define CV_DBECOUNT_OFST 0x44 |
| |
| /* SDRAM Controller ECC Error Address Register */ |
| #define CV_ERRADDR_OFST 0x48 |
| |
| /*-----------------------------------------*/ |
| |
| /* SDRAM Controller EccCtrl Register */ |
| #define A10_ECCCTRL1_OFST 0x00 |
| |
| /* SDRAM Controller EccCtrl Register Bit Masks */ |
| #define A10_ECCCTRL1_ECC_EN 0x001 |
| #define A10_ECCCTRL1_CNT_RST 0x010 |
| #define A10_ECCCTRL1_AWB_CNT_RST 0x100 |
| #define A10_ECC_CNT_RESET_MASK (A10_ECCCTRL1_CNT_RST | \ |
| A10_ECCCTRL1_AWB_CNT_RST) |
| |
| /* SDRAM Controller Address Width Register */ |
| #define CV_DRAMADDRW 0xFFC2502C |
| #define A10_DRAMADDRW 0xFFCFA0A8 |
| #define S10_DRAMADDRW 0xF80110E0 |
| |
| /* SDRAM Controller Address Widths Field Register */ |
| #define DRAMADDRW_COLBIT_MASK 0x001F |
| #define DRAMADDRW_COLBIT_SHIFT 0 |
| #define DRAMADDRW_ROWBIT_MASK 0x03E0 |
| #define DRAMADDRW_ROWBIT_SHIFT 5 |
| #define CV_DRAMADDRW_BANKBIT_MASK 0x1C00 |
| #define CV_DRAMADDRW_BANKBIT_SHIFT 10 |
| #define CV_DRAMADDRW_CSBIT_MASK 0xE000 |
| #define CV_DRAMADDRW_CSBIT_SHIFT 13 |
| |
| #define A10_DRAMADDRW_BANKBIT_MASK 0x3C00 |
| #define A10_DRAMADDRW_BANKBIT_SHIFT 10 |
| #define A10_DRAMADDRW_GRPBIT_MASK 0xC000 |
| #define A10_DRAMADDRW_GRPBIT_SHIFT 14 |
| #define A10_DRAMADDRW_CSBIT_MASK 0x70000 |
| #define A10_DRAMADDRW_CSBIT_SHIFT 16 |
| |
| /* SDRAM Controller Interface Data Width Register */ |
| #define CV_DRAMIFWIDTH 0xFFC25030 |
| #define A10_DRAMIFWIDTH 0xFFCFB008 |
| #define S10_DRAMIFWIDTH 0xF8011008 |
| |
| /* SDRAM Controller Interface Data Width Defines */ |
| #define CV_DRAMIFWIDTH_16B_ECC 24 |
| #define CV_DRAMIFWIDTH_32B_ECC 40 |
| |
| #define A10_DRAMIFWIDTH_16B 0x0 |
| #define A10_DRAMIFWIDTH_32B 0x1 |
| #define A10_DRAMIFWIDTH_64B 0x2 |
| |
| /* SDRAM Controller DRAM IRQ Register */ |
| #define A10_ERRINTEN_OFST 0x10 |
| |
| /* SDRAM Controller DRAM IRQ Register Bit Masks */ |
| #define A10_ERRINTEN_SERRINTEN 0x01 |
| #define A10_ERRINTEN_DERRINTEN 0x02 |
| #define A10_ECC_IRQ_EN_MASK (A10_ERRINTEN_SERRINTEN | \ |
| A10_ERRINTEN_DERRINTEN) |
| |
| /* SDRAM Interrupt Mode Register */ |
| #define A10_INTMODE_OFST 0x1C |
| #define A10_INTMODE_SB_INT 1 |
| |
| /* SDRAM Controller Error Status Register */ |
| #define A10_INTSTAT_OFST 0x20 |
| |
| /* SDRAM Controller Error Status Register Bit Masks */ |
| #define A10_INTSTAT_SBEERR 0x01 |
| #define A10_INTSTAT_DBEERR 0x02 |
| |
| /* SDRAM Controller ECC Error Address Register */ |
| #define A10_DERRADDR_OFST 0x2C |
| #define A10_SERRADDR_OFST 0x30 |
| |
| /* SDRAM Controller ECC Diagnostic Register */ |
| #define A10_DIAGINTTEST_OFST 0x24 |
| |
| #define A10_DIAGINT_TSERRA_MASK 0x0001 |
| #define A10_DIAGINT_TDERRA_MASK 0x0100 |
| |
| #define A10_SBERR_IRQ 34 |
| #define A10_DBERR_IRQ 32 |
| |
| /* SDRAM Single Bit Error Count Compare Set Register */ |
| #define A10_SERRCNTREG_OFST 0x3C |
| |
| #define A10_SYMAN_INTMASK_CLR 0xFFD06098 |
| #define A10_INTMASK_CLR_OFST 0x10 |
| #define A10_DDR0_IRQ_MASK BIT(17) |
| |
| /************* Stratix10 Defines **************/ |
| |
| /* SDRAM Controller EccCtrl Register */ |
| #define S10_ECCCTRL1_OFST 0xF8011100 |
| |
| /* SDRAM Controller DRAM IRQ Register */ |
| #define S10_ERRINTEN_OFST 0xF8011110 |
| |
| /* SDRAM Interrupt Mode Register */ |
| #define S10_INTMODE_OFST 0xF801111C |
| |
| /* SDRAM Controller Error Status Register */ |
| #define S10_INTSTAT_OFST 0xF8011120 |
| |
| /* SDRAM Controller ECC Error Address Register */ |
| #define S10_DERRADDR_OFST 0xF801112C |
| #define S10_SERRADDR_OFST 0xF8011130 |
| |
| /* SDRAM Controller ECC Diagnostic Register */ |
| #define S10_DIAGINTTEST_OFST 0xF8011124 |
| |
| /* SDRAM Single Bit Error Count Compare Set Register */ |
| #define S10_SERRCNTREG_OFST 0xF801113C |
| |
| /* Sticky registers for Uncorrected Errors */ |
| #define S10_SYSMGR_UE_VAL_OFST 0xFFD12220 |
| #define S10_SYSMGR_UE_ADDR_OFST 0xFFD12224 |
| |
| struct altr_sdram_prv_data { |
| int ecc_ctrl_offset; |
| int ecc_ctl_en_mask; |
| int ecc_cecnt_offset; |
| int ecc_uecnt_offset; |
| int ecc_stat_offset; |
| int ecc_stat_ce_mask; |
| int ecc_stat_ue_mask; |
| int ecc_saddr_offset; |
| int ecc_daddr_offset; |
| int ecc_irq_en_offset; |
| int ecc_irq_en_mask; |
| int ecc_irq_clr_offset; |
| int ecc_irq_clr_mask; |
| int ecc_cnt_rst_offset; |
| int ecc_cnt_rst_mask; |
| struct edac_dev_sysfs_attribute *eccmgr_sysfs_attr; |
| int ecc_enable_mask; |
| int ce_set_mask; |
| int ue_set_mask; |
| int ce_ue_trgr_offset; |
| }; |
| |
| /* Altera SDRAM Memory Controller data */ |
| struct altr_sdram_mc_data { |
| struct regmap *mc_vbase; |
| int sb_irq; |
| int db_irq; |
| const struct altr_sdram_prv_data *data; |
| }; |
| |
| /************************** EDAC Device Defines **************************/ |
| /***** General Device Trigger Defines *****/ |
| #define ALTR_UE_TRIGGER_CHAR 'U' /* Trigger for UE */ |
| #define ALTR_TRIGGER_READ_WRD_CNT 32 /* Line size x 4 */ |
| #define ALTR_TRIG_OCRAM_BYTE_SIZE 128 /* Line size x 4 */ |
| #define ALTR_TRIG_L2C_BYTE_SIZE 4096 /* Full Page */ |
| |
| /******* Cyclone5 and Arria5 Defines *******/ |
| /* OCRAM ECC Management Group Defines */ |
| #define ALTR_MAN_GRP_OCRAM_ECC_OFFSET 0x04 |
| #define ALTR_OCR_ECC_REG_OFFSET 0x00 |
| #define ALTR_OCR_ECC_EN BIT(0) |
| #define ALTR_OCR_ECC_INJS BIT(1) |
| #define ALTR_OCR_ECC_INJD BIT(2) |
| #define ALTR_OCR_ECC_SERR BIT(3) |
| #define ALTR_OCR_ECC_DERR BIT(4) |
| |
| /* L2 ECC Management Group Defines */ |
| #define ALTR_MAN_GRP_L2_ECC_OFFSET 0x00 |
| #define ALTR_L2_ECC_REG_OFFSET 0x00 |
| #define ALTR_L2_ECC_EN BIT(0) |
| #define ALTR_L2_ECC_INJS BIT(1) |
| #define ALTR_L2_ECC_INJD BIT(2) |
| |
| /* Arria10 General ECC Block Module Defines */ |
| #define ALTR_A10_ECC_CTRL_OFST 0x08 |
| #define ALTR_A10_ECC_EN BIT(0) |
| #define ALTR_A10_ECC_INITA BIT(16) |
| #define ALTR_A10_ECC_INITB BIT(24) |
| |
| #define ALTR_A10_ECC_INITSTAT_OFST 0x0C |
| #define ALTR_A10_ECC_INITCOMPLETEA BIT(0) |
| #define ALTR_A10_ECC_INITCOMPLETEB BIT(8) |
| |
| #define ALTR_A10_ECC_ERRINTEN_OFST 0x10 |
| #define ALTR_A10_ECC_ERRINTENS_OFST 0x14 |
| #define ALTR_A10_ECC_ERRINTENR_OFST 0x18 |
| #define ALTR_A10_ECC_SERRINTEN BIT(0) |
| |
| #define ALTR_A10_ECC_INTMODE_OFST 0x1C |
| #define ALTR_A10_ECC_INTMODE BIT(0) |
| |
| #define ALTR_A10_ECC_INTSTAT_OFST 0x20 |
| #define ALTR_A10_ECC_SERRPENA BIT(0) |
| #define ALTR_A10_ECC_DERRPENA BIT(8) |
| #define ALTR_A10_ECC_ERRPENA_MASK (ALTR_A10_ECC_SERRPENA | \ |
| ALTR_A10_ECC_DERRPENA) |
| #define ALTR_A10_ECC_SERRPENB BIT(16) |
| #define ALTR_A10_ECC_DERRPENB BIT(24) |
| #define ALTR_A10_ECC_ERRPENB_MASK (ALTR_A10_ECC_SERRPENB | \ |
| ALTR_A10_ECC_DERRPENB) |
| |
| #define ALTR_A10_ECC_INTTEST_OFST 0x24 |
| #define ALTR_A10_ECC_TSERRA BIT(0) |
| #define ALTR_A10_ECC_TDERRA BIT(8) |
| #define ALTR_A10_ECC_TSERRB BIT(16) |
| #define ALTR_A10_ECC_TDERRB BIT(24) |
| |
| /* ECC Manager Defines */ |
| #define A10_SYSMGR_ECC_INTMASK_SET_OFST 0x94 |
| #define A10_SYSMGR_ECC_INTMASK_CLR_OFST 0x98 |
| #define A10_SYSMGR_ECC_INTMASK_OCRAM BIT(1) |
| |
| #define A10_SYSMGR_ECC_INTSTAT_SERR_OFST 0x9C |
| #define A10_SYSMGR_ECC_INTSTAT_DERR_OFST 0xA0 |
| #define A10_SYSMGR_ECC_INTSTAT_L2 BIT(0) |
| #define A10_SYSMGR_ECC_INTSTAT_OCRAM BIT(1) |
| |
| #define A10_SYSGMR_MPU_CLEAR_L2_ECC_OFST 0xA8 |
| #define A10_SYSGMR_MPU_CLEAR_L2_ECC_SB BIT(15) |
| #define A10_SYSGMR_MPU_CLEAR_L2_ECC_MB BIT(31) |
| |
| /* Arria 10 L2 ECC Management Group Defines */ |
| #define ALTR_A10_L2_ECC_CTL_OFST 0x0 |
| #define ALTR_A10_L2_ECC_EN_CTL BIT(0) |
| |
| #define ALTR_A10_L2_ECC_STATUS 0xFFD060A4 |
| #define ALTR_A10_L2_ECC_STAT_OFST 0xA4 |
| #define ALTR_A10_L2_ECC_SERR_PEND BIT(0) |
| #define ALTR_A10_L2_ECC_MERR_PEND BIT(0) |
| |
| #define ALTR_A10_L2_ECC_CLR_OFST 0x4 |
| #define ALTR_A10_L2_ECC_SERR_CLR BIT(15) |
| #define ALTR_A10_L2_ECC_MERR_CLR BIT(31) |
| |
| #define ALTR_A10_L2_ECC_INJ_OFST ALTR_A10_L2_ECC_CTL_OFST |
| #define ALTR_A10_L2_ECC_CE_INJ_MASK 0x00000101 |
| #define ALTR_A10_L2_ECC_UE_INJ_MASK 0x00010101 |
| |
| /* Arria 10 OCRAM ECC Management Group Defines */ |
| #define ALTR_A10_OCRAM_ECC_EN_CTL (BIT(1) | BIT(0)) |
| |
| /* Arria 10 Ethernet ECC Management Group Defines */ |
| #define ALTR_A10_COMMON_ECC_EN_CTL BIT(0) |
| |
| /* Arria 10 SDMMC ECC Management Group Defines */ |
| #define ALTR_A10_SDMMC_IRQ_MASK (BIT(16) | BIT(15)) |
| |
| /* A10 ECC Controller memory initialization timeout */ |
| #define ALTR_A10_ECC_INIT_WATCHDOG_10US 10000 |
| |
| /************* Stratix10 Defines **************/ |
| |
| /* Stratix10 ECC Manager Defines */ |
| #define S10_SYSMGR_ECC_INTMASK_VAL_OFST 0xFFD12090 |
| #define S10_SYSMGR_ECC_INTMASK_SET_OFST 0xFFD12094 |
| #define S10_SYSMGR_ECC_INTMASK_CLR_OFST 0xFFD12098 |
| |
| #define S10_SYSMGR_ECC_INTSTAT_SERR_OFST 0xFFD1209C |
| #define S10_SYSMGR_ECC_INTSTAT_DERR_OFST 0xFFD120A0 |
| |
| #define S10_DDR0_IRQ_MASK BIT(16) |
| |
| struct altr_edac_device_dev; |
| |
| struct edac_device_prv_data { |
| int (*setup)(struct altr_edac_device_dev *device); |
| int ce_clear_mask; |
| int ue_clear_mask; |
| int irq_status_mask; |
| void * (*alloc_mem)(size_t size, void **other); |
| void (*free_mem)(void *p, size_t size, void *other); |
| int ecc_enable_mask; |
| int ecc_en_ofst; |
| int ce_set_mask; |
| int ue_set_mask; |
| int set_err_ofst; |
| irqreturn_t (*ecc_irq_handler)(int irq, void *dev_id); |
| int trig_alloc_sz; |
| const struct file_operations *inject_fops; |
| bool panic; |
| }; |
| |
| struct altr_edac_device_dev { |
| struct list_head next; |
| void __iomem *base; |
| int sb_irq; |
| int db_irq; |
| const struct edac_device_prv_data *data; |
| struct dentry *debugfs_dir; |
| char *edac_dev_name; |
| struct altr_arria10_edac *edac; |
| struct edac_device_ctl_info *edac_dev; |
| struct device ddev; |
| int edac_idx; |
| }; |
| |
| struct altr_arria10_edac { |
| struct device *dev; |
| struct regmap *ecc_mgr_map; |
| int sb_irq; |
| int db_irq; |
| struct irq_domain *domain; |
| struct irq_chip irq_chip; |
| struct list_head a10_ecc_devices; |
| }; |
| |
| /* |
| * Functions specified by ARM SMC Calling convention: |
| * |
| * FAST call executes atomic operations, returns when the requested operation |
| * has completed. |
| * STD call starts a operation which can be preempted by a non-secure |
| * interrupt. The call can return before the requested operation has |
| * completed. |
| * |
| * a0..a7 is used as register names in the descriptions below, on arm32 |
| * that translates to r0..r7 and on arm64 to w0..w7. |
| */ |
| |
| #define INTEL_SIP_SMC_STD_CALL_VAL(func_num) \ |
| ARM_SMCCC_CALL_VAL(ARM_SMCCC_STD_CALL, ARM_SMCCC_SMC_64, \ |
| ARM_SMCCC_OWNER_SIP, (func_num)) |
| |
| #define INTEL_SIP_SMC_FAST_CALL_VAL(func_num) \ |
| ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, ARM_SMCCC_SMC_64, \ |
| ARM_SMCCC_OWNER_SIP, (func_num)) |
| |
| #define INTEL_SIP_SMC_RETURN_UNKNOWN_FUNCTION 0xFFFFFFFF |
| #define INTEL_SIP_SMC_STATUS_OK 0x0 |
| #define INTEL_SIP_SMC_REG_ERROR 0x5 |
| |
| /* |
| * Request INTEL_SIP_SMC_REG_READ |
| * |
| * Read a protected register using SMCCC |
| * |
| * Call register usage: |
| * a0: INTEL_SIP_SMC_REG_READ. |
| * a1: register address. |
| * a2-7: not used. |
| * |
| * Return status: |
| * a0: INTEL_SIP_SMC_STATUS_OK, INTEL_SIP_SMC_REG_ERROR, or |
| * INTEL_SIP_SMC_RETURN_UNKNOWN_FUNCTION |
| * a1: Value in the register |
| * a2-3: not used. |
| */ |
| #define INTEL_SIP_SMC_FUNCID_REG_READ 7 |
| #define INTEL_SIP_SMC_REG_READ \ |
| INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_REG_READ) |
| |
| /* |
| * Request INTEL_SIP_SMC_REG_WRITE |
| * |
| * Write a protected register using SMCCC |
| * |
| * Call register usage: |
| * a0: INTEL_SIP_SMC_REG_WRITE. |
| * a1: register address |
| * a2: value to program into register. |
| * a3-7: not used. |
| * |
| * Return status: |
| * a0: INTEL_SIP_SMC_STATUS_OK, INTEL_SIP_SMC_REG_ERROR, or |
| * INTEL_SIP_SMC_RETURN_UNKNOWN_FUNCTION |
| * a1-3: not used. |
| */ |
| #define INTEL_SIP_SMC_FUNCID_REG_WRITE 8 |
| #define INTEL_SIP_SMC_REG_WRITE \ |
| INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_REG_WRITE) |
| |
| struct altr_stratix10_edac { |
| struct device *dev; |
| int sb_irq; |
| struct irq_domain *domain; |
| struct irq_chip irq_chip; |
| struct list_head s10_ecc_devices; |
| struct notifier_block panic_notifier; |
| }; |
| |
| #endif /* #ifndef _ALTERA_EDAC_H */ |