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-rw-r--r--drivers/edac/altera_edac.h398
1 files changed, 398 insertions, 0 deletions
diff --git a/drivers/edac/altera_edac.h b/drivers/edac/altera_edac.h
new file mode 100644
index 000000000..3727e72c8
--- /dev/null
+++ b/drivers/edac/altera_edac.h
@@ -0,0 +1,398 @@
+/* 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)
+
+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 **************/
+#define ALTR_S10_ECC_CTRL_SDRAM_OFST 0x00
+#define ALTR_S10_ECC_EN BIT(0)
+
+#define ALTR_S10_ECC_ERRINTEN_OFST 0x10
+#define ALTR_S10_ECC_ERRINTENS_OFST 0x14
+#define ALTR_S10_ECC_ERRINTENR_OFST 0x18
+#define ALTR_S10_ECC_SERRINTEN BIT(0)
+
+#define ALTR_S10_ECC_INTMODE_OFST 0x1C
+#define ALTR_S10_ECC_INTMODE BIT(0)
+
+#define ALTR_S10_ECC_INTSTAT_OFST 0x20
+#define ALTR_S10_ECC_SERRPENA BIT(0)
+#define ALTR_S10_ECC_DERRPENA BIT(8)
+#define ALTR_S10_ECC_ERRPENA_MASK (ALTR_S10_ECC_SERRPENA | \
+ ALTR_S10_ECC_DERRPENA)
+
+#define ALTR_S10_ECC_INTTEST_OFST 0x24
+#define ALTR_S10_ECC_TSERRA BIT(0)
+#define ALTR_S10_ECC_TDERRA BIT(8)
+#define ALTR_S10_ECC_TSERRB BIT(16)
+#define ALTR_S10_ECC_TDERRB BIT(24)
+
+#define ALTR_S10_DERR_ADDRA_OFST 0x2C
+
+/* Stratix10 ECC Manager Defines */
+#define S10_SYSMGR_ECC_INTMASK_CLR_OFST 0x98
+#define S10_SYSMGR_ECC_INTSTAT_DERR_OFST 0xA0
+
+/* Sticky registers for Uncorrected Errors */
+#define S10_SYSMGR_UE_VAL_OFST 0x220
+#define S10_SYSMGR_UE_ADDR_OFST 0x224
+
+#define S10_DDR0_IRQ_MASK BIT(16)
+#define S10_DBE_IRQ_MASK 0x3FFFE
+
+/* Define ECC Block Offsets for peripherals */
+#define ECC_BLK_ADDRESS_OFST 0x40
+#define ECC_BLK_RDATA0_OFST 0x44
+#define ECC_BLK_RDATA1_OFST 0x48
+#define ECC_BLK_RDATA2_OFST 0x4C
+#define ECC_BLK_RDATA3_OFST 0x50
+#define ECC_BLK_WDATA0_OFST 0x54
+#define ECC_BLK_WDATA1_OFST 0x58
+#define ECC_BLK_WDATA2_OFST 0x5C
+#define ECC_BLK_WDATA3_OFST 0x60
+#define ECC_BLK_RECC0_OFST 0x64
+#define ECC_BLK_RECC1_OFST 0x68
+#define ECC_BLK_WECC0_OFST 0x6C
+#define ECC_BLK_WECC1_OFST 0x70
+#define ECC_BLK_DBYTECTRL_OFST 0x74
+#define ECC_BLK_ACCCTRL_OFST 0x78
+#define ECC_BLK_STARTACC_OFST 0x7C
+
+#define ECC_XACT_KICK 0x10000
+#define ECC_WORD_WRITE 0xFF
+#define ECC_WRITE_DOVR 0x101
+#define ECC_WRITE_EDOVR 0x103
+#define ECC_READ_EOVR 0x2
+#define ECC_READ_EDOVR 0x3
+
+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;
+ struct notifier_block panic_notifier;
+};
+
+#endif /* #ifndef _ALTERA_EDAC_H */