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941fd2e709
The bootloader may or may not enable the ECC_CORR_EN bit. By not enabling ECC_CORR_EN, when error happens, it is the user's responsibility to perform a full SDRAM scrub. Remove the check for ECC_CORR_EN. Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com> Cc: linux-edac <linux-edac@vger.kernel.org> Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Cc: Thor Thayer <tthayer@opensource.altera.com> Link: http://lkml.kernel.org/r/1444864456-21778-1-git-send-email-dinguyen@opensource.altera.com Signed-off-by: Borislav Petkov <bp@suse.de>
199 lines
6.0 KiB
C
199 lines
6.0 KiB
C
/*
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*
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* Copyright (C) 2015 Altera Corporation
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _ALTERA_EDAC_H
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#define _ALTERA_EDAC_H
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#include <linux/edac.h>
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#include <linux/types.h>
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/* SDRAM Controller CtrlCfg Register */
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#define CV_CTLCFG_OFST 0x00
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/* SDRAM Controller CtrlCfg Register Bit Masks */
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#define CV_CTLCFG_ECC_EN 0x400
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#define CV_CTLCFG_ECC_CORR_EN 0x800
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#define CV_CTLCFG_GEN_SB_ERR 0x2000
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#define CV_CTLCFG_GEN_DB_ERR 0x4000
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#define CV_CTLCFG_ECC_AUTO_EN (CV_CTLCFG_ECC_EN)
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/* SDRAM Controller Address Width Register */
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#define CV_DRAMADDRW_OFST 0x2C
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/* SDRAM Controller Address Widths Field Register */
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#define DRAMADDRW_COLBIT_MASK 0x001F
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#define DRAMADDRW_COLBIT_SHIFT 0
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#define DRAMADDRW_ROWBIT_MASK 0x03E0
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#define DRAMADDRW_ROWBIT_SHIFT 5
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#define CV_DRAMADDRW_BANKBIT_MASK 0x1C00
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#define CV_DRAMADDRW_BANKBIT_SHIFT 10
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#define CV_DRAMADDRW_CSBIT_MASK 0xE000
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#define CV_DRAMADDRW_CSBIT_SHIFT 13
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/* SDRAM Controller Interface Data Width Register */
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#define CV_DRAMIFWIDTH_OFST 0x30
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/* SDRAM Controller Interface Data Width Defines */
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#define CV_DRAMIFWIDTH_16B_ECC 24
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#define CV_DRAMIFWIDTH_32B_ECC 40
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/* SDRAM Controller DRAM Status Register */
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#define CV_DRAMSTS_OFST 0x38
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/* SDRAM Controller DRAM Status Register Bit Masks */
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#define CV_DRAMSTS_SBEERR 0x04
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#define CV_DRAMSTS_DBEERR 0x08
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#define CV_DRAMSTS_CORR_DROP 0x10
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/* SDRAM Controller DRAM IRQ Register */
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#define CV_DRAMINTR_OFST 0x3C
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/* SDRAM Controller DRAM IRQ Register Bit Masks */
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#define CV_DRAMINTR_INTREN 0x01
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#define CV_DRAMINTR_SBEMASK 0x02
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#define CV_DRAMINTR_DBEMASK 0x04
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#define CV_DRAMINTR_CORRDROPMASK 0x08
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#define CV_DRAMINTR_INTRCLR 0x10
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/* SDRAM Controller Single Bit Error Count Register */
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#define CV_SBECOUNT_OFST 0x40
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/* SDRAM Controller Double Bit Error Count Register */
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#define CV_DBECOUNT_OFST 0x44
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/* SDRAM Controller ECC Error Address Register */
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#define CV_ERRADDR_OFST 0x48
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/*-----------------------------------------*/
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/* SDRAM Controller EccCtrl Register */
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#define A10_ECCCTRL1_OFST 0x00
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/* SDRAM Controller EccCtrl Register Bit Masks */
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#define A10_ECCCTRL1_ECC_EN 0x001
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#define A10_ECCCTRL1_CNT_RST 0x010
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#define A10_ECCCTRL1_AWB_CNT_RST 0x100
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#define A10_ECC_CNT_RESET_MASK (A10_ECCCTRL1_CNT_RST | \
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A10_ECCCTRL1_AWB_CNT_RST)
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/* SDRAM Controller Address Width Register */
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#define CV_DRAMADDRW 0xFFC2502C
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#define A10_DRAMADDRW 0xFFCFA0A8
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/* SDRAM Controller Address Widths Field Register */
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#define DRAMADDRW_COLBIT_MASK 0x001F
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#define DRAMADDRW_COLBIT_SHIFT 0
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#define DRAMADDRW_ROWBIT_MASK 0x03E0
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#define DRAMADDRW_ROWBIT_SHIFT 5
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#define CV_DRAMADDRW_BANKBIT_MASK 0x1C00
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#define CV_DRAMADDRW_BANKBIT_SHIFT 10
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#define CV_DRAMADDRW_CSBIT_MASK 0xE000
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#define CV_DRAMADDRW_CSBIT_SHIFT 13
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#define A10_DRAMADDRW_BANKBIT_MASK 0x3C00
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#define A10_DRAMADDRW_BANKBIT_SHIFT 10
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#define A10_DRAMADDRW_GRPBIT_MASK 0xC000
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#define A10_DRAMADDRW_GRPBIT_SHIFT 14
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#define A10_DRAMADDRW_CSBIT_MASK 0x70000
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#define A10_DRAMADDRW_CSBIT_SHIFT 16
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/* SDRAM Controller Interface Data Width Register */
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#define CV_DRAMIFWIDTH 0xFFC25030
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#define A10_DRAMIFWIDTH 0xFFCFB008
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/* SDRAM Controller Interface Data Width Defines */
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#define CV_DRAMIFWIDTH_16B_ECC 24
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#define CV_DRAMIFWIDTH_32B_ECC 40
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#define A10_DRAMIFWIDTH_16B 0x0
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#define A10_DRAMIFWIDTH_32B 0x1
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#define A10_DRAMIFWIDTH_64B 0x2
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/* SDRAM Controller DRAM IRQ Register */
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#define A10_ERRINTEN_OFST 0x10
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/* SDRAM Controller DRAM IRQ Register Bit Masks */
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#define A10_ERRINTEN_SERRINTEN 0x01
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#define A10_ERRINTEN_DERRINTEN 0x02
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#define A10_ECC_IRQ_EN_MASK (A10_ERRINTEN_SERRINTEN | \
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A10_ERRINTEN_DERRINTEN)
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/* SDRAM Interrupt Mode Register */
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#define A10_INTMODE_OFST 0x1C
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#define A10_INTMODE_SB_INT 1
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/* SDRAM Controller Error Status Register */
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#define A10_INTSTAT_OFST 0x20
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/* SDRAM Controller Error Status Register Bit Masks */
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#define A10_INTSTAT_SBEERR 0x01
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#define A10_INTSTAT_DBEERR 0x02
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/* SDRAM Controller ECC Error Address Register */
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#define A10_DERRADDR_OFST 0x2C
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#define A10_SERRADDR_OFST 0x30
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/* SDRAM Controller ECC Diagnostic Register */
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#define A10_DIAGINTTEST_OFST 0x24
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#define A10_DIAGINT_TSERRA_MASK 0x0001
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#define A10_DIAGINT_TDERRA_MASK 0x0100
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#define A10_SBERR_IRQ 34
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#define A10_DBERR_IRQ 32
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/* SDRAM Single Bit Error Count Compare Set Register */
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#define A10_SERRCNTREG_OFST 0x3C
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#define A10_SYMAN_INTMASK_CLR 0xFFD06098
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#define A10_INTMASK_CLR_OFST 0x10
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#define A10_DDR0_IRQ_MASK BIT(17)
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struct altr_sdram_prv_data {
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int ecc_ctrl_offset;
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int ecc_ctl_en_mask;
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int ecc_cecnt_offset;
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int ecc_uecnt_offset;
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int ecc_stat_offset;
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int ecc_stat_ce_mask;
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int ecc_stat_ue_mask;
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int ecc_saddr_offset;
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int ecc_daddr_offset;
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int ecc_irq_en_offset;
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int ecc_irq_en_mask;
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int ecc_irq_clr_offset;
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int ecc_irq_clr_mask;
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int ecc_cnt_rst_offset;
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int ecc_cnt_rst_mask;
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struct edac_dev_sysfs_attribute *eccmgr_sysfs_attr;
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int ecc_enable_mask;
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int ce_set_mask;
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int ue_set_mask;
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int ce_ue_trgr_offset;
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};
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/* Altera SDRAM Memory Controller data */
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struct altr_sdram_mc_data {
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struct regmap *mc_vbase;
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int sb_irq;
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int db_irq;
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const struct altr_sdram_prv_data *data;
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};
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#endif /* #ifndef _ALTERA_EDAC_H */
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