linux-imx

/*

 * Intel 5000(P/V/X) class Memory Controllers kernel module

 *

 * This file may be distributed under the terms of the

 * GNU General Public License.

 *

 * Written by Douglas Thompson Linux Networx (http://lnxi.com)

 *  norsk5@xmission.com

 *

 * This module is based on the following document:

 *

 * Intel 5000X Chipset Memory Controller Hub (MCH) - Datasheet

 *  http://developer.intel.com/design/chipsets/datashts/313070.htm

 *

 */

​

#include <linux/module.h>

#include <linux/init.h>

#include <linux/pci.h>

#include <linux/pci_ids.h>

#include <linux/slab.h>

#include <linux/edac.h>

#include <asm/mmzone.h>

​

#include "edac_module.h"

​

/*

 * Alter this version for the I5000 module when modifications are made

 */

#define I5000_REVISION    " Ver: 2.0.12"

#define EDAC_MOD_STR      "i5000_edac"

​

#define i5000_printk(level, fmt, arg...) \

        edac_printk(level, "i5000", fmt, ##arg)

​

#define i5000_mc_printk(mci, level, fmt, arg...) \

        edac_mc_chipset_printk(mci, level, "i5000", fmt, ##arg)

​

#ifndef PCI_DEVICE_ID_INTEL_FBD_0

#define PCI_DEVICE_ID_INTEL_FBD_0   0x25F5

#endif

#ifndef PCI_DEVICE_ID_INTEL_FBD_1

#define PCI_DEVICE_ID_INTEL_FBD_1   0x25F6

#endif

​

/* Device 16,

 * Function 0: System Address

 * Function 1: Memory Branch Map, Control, Errors Register

 * Function 2: FSB Error Registers

 *

 * All 3 functions of Device 16 (0,1,2) share the SAME DID

 */

#define PCI_DEVICE_ID_INTEL_I5000_DEV16 0x25F0

​

/* OFFSETS for Function 0 */

​

/* OFFSETS for Function 1 */

#define     AMBASE          0x48

#define     MAXCH           0x56

#define     MAXDIMMPERCH        0x57

#define     TOLM            0x6C

#define     REDMEMB         0x7C

#define         RED_ECC_LOCATOR(x)  ((x) & 0x3FFFF)

#define         REC_ECC_LOCATOR_EVEN(x) ((x) & 0x001FF)

#define         REC_ECC_LOCATOR_ODD(x)  ((x) & 0x3FE00)

#define     MIR0            0x80

#define     MIR1            0x84

#define     MIR2            0x88

#define     AMIR0           0x8C

#define     AMIR1           0x90

#define     AMIR2           0x94

​

#define     FERR_FAT_FBD        0x98

#define     NERR_FAT_FBD        0x9C

#define         EXTRACT_FBDCHAN_INDX(x) (((x)>>28) & 0x3)

#define         FERR_FAT_FBDCHAN 0x30000000

#define         FERR_FAT_M3ERR  0x00000004

#define         FERR_FAT_M2ERR  0x00000002

#define         FERR_FAT_M1ERR  0x00000001

#define         FERR_FAT_MASK   (FERR_FAT_M1ERR | \

                        FERR_FAT_M2ERR | \

                        FERR_FAT_M3ERR)

​

#define     FERR_NF_FBD     0xA0

​

/* Thermal and SPD or BFD errors */

#define         FERR_NF_M28ERR  0x01000000

#define         FERR_NF_M27ERR  0x00800000

#define         FERR_NF_M26ERR  0x00400000

#define         FERR_NF_M25ERR  0x00200000

#define         FERR_NF_M24ERR  0x00100000

#define         FERR_NF_M23ERR  0x00080000