diff options
Diffstat (limited to 'drivers/edac/fsl_ddr_edac.h')
| -rw-r--r-- | drivers/edac/fsl_ddr_edac.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/edac/fsl_ddr_edac.h b/drivers/edac/fsl_ddr_edac.h new file mode 100644 index 000000000..332439d7b --- /dev/null +++ b/drivers/edac/fsl_ddr_edac.h @@ -0,0 +1,76 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Freescale Memory Controller kernel module + * + * Support Power-based SoCs including MPC85xx, MPC86xx, MPC83xx and + * ARM-based Layerscape SoCs including LS2xxx and LS1021A. Originally + * split out from mpc85xx_edac EDAC driver. + * + * Author: Dave Jiang <djiang@mvista.com> + * + * 2006-2007 (c) MontaVista Software, Inc. + */ +#ifndef _FSL_DDR_EDAC_H_ +#define _FSL_DDR_EDAC_H_ + +#define fsl_mc_printk(mci, level, fmt, arg...) \ + edac_mc_chipset_printk(mci, level, "FSL_DDR", fmt, ##arg) + +/* + * DRAM error defines + */ + +/* DDR_SDRAM_CFG */ +#define FSL_MC_DDR_SDRAM_CFG 0x0110 +#define FSL_MC_CS_BNDS_0 0x0000 +#define FSL_MC_CS_BNDS_OFS 0x0008 + +#define FSL_MC_DATA_ERR_INJECT_HI 0x0e00 +#define FSL_MC_DATA_ERR_INJECT_LO 0x0e04 +#define FSL_MC_ECC_ERR_INJECT 0x0e08 +#define FSL_MC_CAPTURE_DATA_HI 0x0e20 +#define FSL_MC_CAPTURE_DATA_LO 0x0e24 +#define FSL_MC_CAPTURE_ECC 0x0e28 +#define FSL_MC_ERR_DETECT 0x0e40 +#define FSL_MC_ERR_DISABLE 0x0e44 +#define FSL_MC_ERR_INT_EN 0x0e48 +#define FSL_MC_CAPTURE_ATRIBUTES 0x0e4c +#define FSL_MC_CAPTURE_ADDRESS 0x0e50 +#define FSL_MC_CAPTURE_EXT_ADDRESS 0x0e54 +#define FSL_MC_ERR_SBE 0x0e58 + +#define DSC_MEM_EN 0x80000000 +#define DSC_ECC_EN 0x20000000 +#define DSC_RD_EN 0x10000000 +#define DSC_DBW_MASK 0x00180000 +#define DSC_DBW_32 0x00080000 +#define DSC_DBW_64 0x00000000 + +#define DSC_SDTYPE_MASK 0x07000000 +#define DSC_X32_EN 0x00000020 + +/* Err_Int_En */ +#define DDR_EIE_MSEE 0x1 /* memory select */ +#define DDR_EIE_SBEE 0x4 /* single-bit ECC error */ +#define DDR_EIE_MBEE 0x8 /* multi-bit ECC error */ + +/* Err_Detect */ +#define DDR_EDE_MSE 0x1 /* memory select */ +#define DDR_EDE_SBE 0x4 /* single-bit ECC error */ +#define DDR_EDE_MBE 0x8 /* multi-bit ECC error */ +#define DDR_EDE_MME 0x80000000 /* multiple memory errors */ + +/* Err_Disable */ +#define DDR_EDI_MSED 0x1 /* memory select disable */ +#define DDR_EDI_SBED 0x4 /* single-bit ECC error disable */ +#define DDR_EDI_MBED 0x8 /* multi-bit ECC error disable */ + +struct fsl_mc_pdata { + char *name; + int edac_idx; + void __iomem *mc_vbase; + int irq; +}; +int fsl_mc_err_probe(struct platform_device *op); +int fsl_mc_err_remove(struct platform_device *op); +#endif |