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/*
*
* Copyright (C) 2015 Altera Corporation
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ALTERA_EDAC_H
#define _ALTERA_EDAC_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
/* 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
/* 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_SERRINTEN 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)
/* 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))
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;
char dbgfs_name[20];
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)(struct altr_edac_device_dev *dci,
bool sb);
int trig_alloc_sz;
const struct file_operations *inject_fops;
};
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 list_head a10_ecc_devices;
};
#endif /* #ifndef _ALTERA_EDAC_H */
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