drivers/edac/fsl_ddr_edac.h

   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. Originally split
   6  * 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
  71 struct fsl_mc_pdata {
  72         char *name;
  73         int edac_idx;
  74         void __iomem *mc_vbase;
  75         int irq;
  76 };
  77 int fsl_mc_err_probe(struct platform_device *op);
  78 int fsl_mc_err_remove(struct platform_device *op);
  79 #endif