linux/drivers/edac/fsl_ddr_edac.h
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   1/*
   2 * Freescale Memory Controller kernel module
   3 *
   4 * Support  Power-based SoCs including MPC85xx, MPC86xx, MPC83xx and
   5 * ARM-based Layerscape SoCs including LS2xxx and LS1021A. Originally
   6 * split out from mpc85xx_edac EDAC driver.
   7 *
   8 * Author: Dave Jiang <djiang@mvista.com>
   9 *
  10 * 2006-2007 (c) MontaVista Software, Inc. This file is licensed under
  11 * the terms of the GNU General Public License version 2. This program
  12 * is licensed "as is" without any warranty of any kind, whether express
  13 * or implied.
  14 *
  15 */
  16#ifndef _FSL_DDR_EDAC_H_
  17#define _FSL_DDR_EDAC_H_
  18
  19#define fsl_mc_printk(mci, level, fmt, arg...) \
  20        edac_mc_chipset_printk(mci, level, "FSL_DDR", fmt, ##arg)
  21
  22/*
  23 * DRAM error defines
  24 */
  25
  26/* DDR_SDRAM_CFG */
  27#define FSL_MC_DDR_SDRAM_CFG    0x0110
  28#define FSL_MC_CS_BNDS_0                0x0000
  29#define FSL_MC_CS_BNDS_OFS              0x0008
  30
  31#define FSL_MC_DATA_ERR_INJECT_HI       0x0e00
  32#define FSL_MC_DATA_ERR_INJECT_LO       0x0e04
  33#define FSL_MC_ECC_ERR_INJECT   0x0e08
  34#define FSL_MC_CAPTURE_DATA_HI  0x0e20
  35#define FSL_MC_CAPTURE_DATA_LO  0x0e24
  36#define FSL_MC_CAPTURE_ECC              0x0e28
  37#define FSL_MC_ERR_DETECT               0x0e40
  38#define FSL_MC_ERR_DISABLE              0x0e44
  39#define FSL_MC_ERR_INT_EN               0x0e48
  40#define FSL_MC_CAPTURE_ATRIBUTES        0x0e4c
  41#define FSL_MC_CAPTURE_ADDRESS  0x0e50
  42#define FSL_MC_CAPTURE_EXT_ADDRESS      0x0e54
  43#define FSL_MC_ERR_SBE          0x0e58
  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 DSC_SDTYPE_MASK         0x07000000
  53#define DSC_X32_EN      0x00000020
  54
  55/* Err_Int_En */
  56#define DDR_EIE_MSEE    0x1     /* memory select */
  57#define DDR_EIE_SBEE    0x4     /* single-bit ECC error */
  58#define DDR_EIE_MBEE    0x8     /* multi-bit ECC error */
  59
  60/* Err_Detect */
  61#define DDR_EDE_MSE             0x1     /* memory select */
  62#define DDR_EDE_SBE             0x4     /* single-bit ECC error */
  63#define DDR_EDE_MBE             0x8     /* multi-bit ECC error */
  64#define DDR_EDE_MME             0x80000000      /* multiple memory errors */
  65
  66/* Err_Disable */
  67#define DDR_EDI_MSED    0x1     /* memory select disable */
  68#define DDR_EDI_SBED    0x4     /* single-bit ECC error disable */
  69#define DDR_EDI_MBED    0x8     /* multi-bit ECC error disable */
  70
  71struct fsl_mc_pdata {
  72        char *name;
  73        int edac_idx;
  74        void __iomem *mc_vbase;
  75        int irq;
  76};
  77int fsl_mc_err_probe(struct platform_device *op);
  78int fsl_mc_err_remove(struct platform_device *op);
  79#endif
  80