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linux-next/drivers/edac/mpc85xx_edac.h
Peter Tyser 21768639be edac: mpc85xx mask ecc syndrome correctly
With a 64-bit wide data bus only the lowest 8-bits of the ECC syndrome are
relevant.  With a 32-bit wide data bus only the lowest 16-bits are
relevant on most architectures.

Without this change, the ECC syndrome displayed can be mildly confusing,
eg:

  EDAC MPC85xx MC1: syndrome: 0x25252525

When in reality the ECC syndrome is 0x25.

A variety of Freescale manuals say a variety of different things about how
to decode the CAPTURE_ECC (syndrome) register.  I don't have a system with
a 32-bit bus to test on, but I believe the change is correct.  It'd be
good to get an ACK from someone at Freescale about this change though.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Cc: Kumar Gala <galak@gate.crashing.org>
Cc: Dave Jiang <djiang@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-03-12 15:52:40 -08:00

167 lines
4.6 KiB
C

/*
* Freescale MPC85xx Memory Controller kenel module
* Author: Dave Jiang <djiang@mvista.com>
*
* 2006-2007 (c) MontaVista Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*
*/
#ifndef _MPC85XX_EDAC_H_
#define _MPC85XX_EDAC_H_
#define MPC85XX_REVISION " Ver: 2.0.0 " __DATE__
#define EDAC_MOD_STR "MPC85xx_edac"
#define mpc85xx_printk(level, fmt, arg...) \
edac_printk(level, "MPC85xx", fmt, ##arg)
#define mpc85xx_mc_printk(mci, level, fmt, arg...) \
edac_mc_chipset_printk(mci, level, "MPC85xx", fmt, ##arg)
/*
* DRAM error defines
*/
/* DDR_SDRAM_CFG */
#define MPC85XX_MC_DDR_SDRAM_CFG 0x0110
#define MPC85XX_MC_CS_BNDS_0 0x0000
#define MPC85XX_MC_CS_BNDS_1 0x0008
#define MPC85XX_MC_CS_BNDS_2 0x0010
#define MPC85XX_MC_CS_BNDS_3 0x0018
#define MPC85XX_MC_CS_BNDS_OFS 0x0008
#define MPC85XX_MC_DATA_ERR_INJECT_HI 0x0e00
#define MPC85XX_MC_DATA_ERR_INJECT_LO 0x0e04
#define MPC85XX_MC_ECC_ERR_INJECT 0x0e08
#define MPC85XX_MC_CAPTURE_DATA_HI 0x0e20
#define MPC85XX_MC_CAPTURE_DATA_LO 0x0e24
#define MPC85XX_MC_CAPTURE_ECC 0x0e28
#define MPC85XX_MC_ERR_DETECT 0x0e40
#define MPC85XX_MC_ERR_DISABLE 0x0e44
#define MPC85XX_MC_ERR_INT_EN 0x0e48
#define MPC85XX_MC_CAPTURE_ATRIBUTES 0x0e4c
#define MPC85XX_MC_CAPTURE_ADDRESS 0x0e50
#define MPC85XX_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_SDTYPE_DDR 0x02000000
#define DSC_SDTYPE_DDR2 0x03000000
#define DSC_SDTYPE_DDR3 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 */
/*
* L2 Err defines
*/
#define MPC85XX_L2_ERRINJHI 0x0000
#define MPC85XX_L2_ERRINJLO 0x0004
#define MPC85XX_L2_ERRINJCTL 0x0008
#define MPC85XX_L2_CAPTDATAHI 0x0020
#define MPC85XX_L2_CAPTDATALO 0x0024
#define MPC85XX_L2_CAPTECC 0x0028
#define MPC85XX_L2_ERRDET 0x0040
#define MPC85XX_L2_ERRDIS 0x0044
#define MPC85XX_L2_ERRINTEN 0x0048
#define MPC85XX_L2_ERRATTR 0x004c
#define MPC85XX_L2_ERRADDR 0x0050
#define MPC85XX_L2_ERRCTL 0x0058
/* Error Interrupt Enable */
#define L2_EIE_L2CFGINTEN 0x1
#define L2_EIE_SBECCINTEN 0x4
#define L2_EIE_MBECCINTEN 0x8
#define L2_EIE_TPARINTEN 0x10
#define L2_EIE_MASK (L2_EIE_L2CFGINTEN | L2_EIE_SBECCINTEN | \
L2_EIE_MBECCINTEN | L2_EIE_TPARINTEN)
/* Error Detect */
#define L2_EDE_L2CFGERR 0x1
#define L2_EDE_SBECCERR 0x4
#define L2_EDE_MBECCERR 0x8
#define L2_EDE_TPARERR 0x10
#define L2_EDE_MULL2ERR 0x80000000
#define L2_EDE_CE_MASK L2_EDE_SBECCERR
#define L2_EDE_UE_MASK (L2_EDE_L2CFGERR | L2_EDE_MBECCERR | \
L2_EDE_TPARERR)
#define L2_EDE_MASK (L2_EDE_L2CFGERR | L2_EDE_SBECCERR | \
L2_EDE_MBECCERR | L2_EDE_TPARERR | L2_EDE_MULL2ERR)
/*
* PCI Err defines
*/
#define PCI_EDE_TOE 0x00000001
#define PCI_EDE_SCM 0x00000002
#define PCI_EDE_IRMSV 0x00000004
#define PCI_EDE_ORMSV 0x00000008
#define PCI_EDE_OWMSV 0x00000010
#define PCI_EDE_TGT_ABRT 0x00000020
#define PCI_EDE_MST_ABRT 0x00000040
#define PCI_EDE_TGT_PERR 0x00000080
#define PCI_EDE_MST_PERR 0x00000100
#define PCI_EDE_RCVD_SERR 0x00000200
#define PCI_EDE_ADDR_PERR 0x00000400
#define PCI_EDE_MULTI_ERR 0x80000000
#define PCI_EDE_PERR_MASK (PCI_EDE_TGT_PERR | PCI_EDE_MST_PERR | \
PCI_EDE_ADDR_PERR)
#define MPC85XX_PCI_ERR_DR 0x0000
#define MPC85XX_PCI_ERR_CAP_DR 0x0004
#define MPC85XX_PCI_ERR_EN 0x0008
#define MPC85XX_PCI_ERR_ATTRIB 0x000c
#define MPC85XX_PCI_ERR_ADDR 0x0010
#define MPC85XX_PCI_ERR_EXT_ADDR 0x0014
#define MPC85XX_PCI_ERR_DL 0x0018
#define MPC85XX_PCI_ERR_DH 0x001c
#define MPC85XX_PCI_GAS_TIMR 0x0020
#define MPC85XX_PCI_PCIX_TIMR 0x0024
struct mpc85xx_mc_pdata {
char *name;
int edac_idx;
void __iomem *mc_vbase;
int irq;
};
struct mpc85xx_l2_pdata {
char *name;
int edac_idx;
void __iomem *l2_vbase;
int irq;
};
struct mpc85xx_pci_pdata {
char *name;
int edac_idx;
void __iomem *pci_vbase;
int irq;
};
#endif