1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Freescale Memory Controller kernel module 4 * 5 * Support Power-based SoCs including MPC85xx, MPC86xx, MPC83xx and 6 * ARM-based Layerscape SoCs including LS2xxx and LS1021A. Originally 7 * split out from mpc85xx_edac EDAC driver. 8 * 9 * Author: Dave Jiang <djiang@mvista.com> 10 * 11 * 2006-2007 (c) MontaVista Software, Inc. 12 */ 13 #ifndef _FSL_DDR_EDAC_H_ 14 #define _FSL_DDR_EDAC_H_ 15 16 #define fsl_mc_printk(mci, level, fmt, arg...) \ 17 edac_mc_chipset_printk(mci, level, "FSL_DDR", fmt, ##arg) 18 19 /* 20 * DRAM error defines 21 */ 22 23 /* DDR_SDRAM_CFG */ 24 #define FSL_MC_DDR_SDRAM_CFG 0x0110 25 #define FSL_MC_CS_BNDS_0 0x0000 26 #define FSL_MC_CS_BNDS_OFS 0x0008 27 28 #define FSL_MC_DATA_ERR_INJECT_HI 0x0e00 29 #define FSL_MC_DATA_ERR_INJECT_LO 0x0e04 30 #define FSL_MC_ECC_ERR_INJECT 0x0e08 31 #define FSL_MC_CAPTURE_DATA_HI 0x0e20 32 #define FSL_MC_CAPTURE_DATA_LO 0x0e24 33 #define FSL_MC_CAPTURE_ECC 0x0e28 34 #define FSL_MC_ERR_DETECT 0x0e40 35 #define FSL_MC_ERR_DISABLE 0x0e44 36 #define FSL_MC_ERR_INT_EN 0x0e48 37 #define FSL_MC_CAPTURE_ATRIBUTES 0x0e4c 38 #define FSL_MC_CAPTURE_ADDRESS 0x0e50 39 #define FSL_MC_CAPTURE_EXT_ADDRESS 0x0e54 40 #define FSL_MC_ERR_SBE 0x0e58 41 42 #define IMX9_MC_ERR_EN 0x1000 43 #define IMX9_MC_DATA_ERR_INJECT_OFF 0x100 44 45 #define DSC_MEM_EN 0x80000000 46 #define DSC_ECC_EN 0x20000000 47 #define DSC_RD_EN 0x10000000 48 #define DSC_DBW_MASK 0x00180000 49 #define DSC_DBW_32 0x00080000 50 #define DSC_DBW_64 0x00000000 51 52 #define ERR_ECC_EN 0x80000000 53 #define ERR_INLINE_ECC 0x40000000 54 55 #define DSC_SDTYPE_MASK 0x07000000 56 #define DSC_X32_EN 0x00000020 57 58 /* Err_Int_En */ 59 #define DDR_EIE_MSEE 0x1 /* memory select */ 60 #define DDR_EIE_SBEE 0x4 /* single-bit ECC error */ 61 #define DDR_EIE_MBEE 0x8 /* multi-bit ECC error */ 62 63 /* Err_Detect */ 64 #define DDR_EDE_MSE 0x1 /* memory select */ 65 #define DDR_EDE_SBE 0x4 /* single-bit ECC error */ 66 #define DDR_EDE_MBE 0x8 /* multi-bit ECC error */ 67 #define DDR_EDE_MME 0x80000000 /* multiple memory errors */ 68 69 /* Err_Disable */ 70 #define DDR_EDI_MSED 0x1 /* memory select disable */ 71 #define DDR_EDI_SBED 0x4 /* single-bit ECC error disable */ 72 #define DDR_EDI_MBED 0x8 /* multi-bit ECC error disable */ 73 74 #define TYPE_IMX9 0x1 /* MC used by iMX9 having registers changed */ 75 76 struct fsl_mc_pdata { 77 char *name; 78 int edac_idx; 79 void __iomem *mc_vbase; 80 void __iomem *inject_vbase; 81 int irq; 82 u32 orig_ddr_err_disable; 83 u32 orig_ddr_err_sbe; 84 bool little_endian; 85 unsigned long flag; 86 }; 87 int fsl_mc_err_probe(struct platform_device *op); 88 void fsl_mc_err_remove(struct platform_device *op); 89 #endif 90