1eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen/* 2eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Intel 5000(P/V/X) class Memory Controllers kernel module 3eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 4eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * This file may be distributed under the terms of the 5eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * GNU General Public License. 6eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 7eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Written by Douglas Thompson Linux Networx (http://lnxi.com) 8eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * norsk5@xmission.com 9eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 10eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * This module is based on the following document: 11eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 12eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Intel 5000X Chipset Memory Controller Hub (MCH) - Datasheet 13eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * http://developer.intel.com/design/chipsets/datashts/313070.htm 14eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 15eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 16eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 17eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#include <linux/module.h> 18eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#include <linux/init.h> 19eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#include <linux/pci.h> 20eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#include <linux/pci_ids.h> 21eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#include <linux/slab.h> 22c0d121720220584bba2876b032e58a076b843fa1Dave Jiang#include <linux/edac.h> 23eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#include <asm/mmzone.h> 24eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 2520bcb7a81dee21bfa3408f03f46b2891c9b5c84bDouglas Thompson#include "edac_core.h" 26eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 27eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen/* 28eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Alter this version for the I5000 module when modifications are made 29eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 30152ba3942276c2a240703669ae4a3099e0a79451Michal Marek#define I5000_REVISION " Ver: 2.0.12" 31456a2f9552e7849475f4aea1a9aa4c0e54b3dddaDave Jiang#define EDAC_MOD_STR "i5000_edac" 32eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 33eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define i5000_printk(level, fmt, arg...) \ 34eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen edac_printk(level, "i5000", fmt, ##arg) 35eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 36eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define i5000_mc_printk(mci, level, fmt, arg...) \ 37eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen edac_mc_chipset_printk(mci, level, "i5000", fmt, ##arg) 38eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 39eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#ifndef PCI_DEVICE_ID_INTEL_FBD_0 40eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define PCI_DEVICE_ID_INTEL_FBD_0 0x25F5 41eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#endif 42eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#ifndef PCI_DEVICE_ID_INTEL_FBD_1 43eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define PCI_DEVICE_ID_INTEL_FBD_1 0x25F6 44eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#endif 45eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 46eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen/* Device 16, 47eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Function 0: System Address 48eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Function 1: Memory Branch Map, Control, Errors Register 49eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Function 2: FSB Error Registers 50eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 51eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * All 3 functions of Device 16 (0,1,2) share the SAME DID 52eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 53eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define PCI_DEVICE_ID_INTEL_I5000_DEV16 0x25F0 54eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 55eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen/* OFFSETS for Function 0 */ 56eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 57eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen/* OFFSETS for Function 1 */ 58eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define AMBASE 0x48 59eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MAXCH 0x56 60eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MAXDIMMPERCH 0x57 61eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define TOLM 0x6C 62eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define REDMEMB 0x7C 63eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define RED_ECC_LOCATOR(x) ((x) & 0x3FFFF) 64eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define REC_ECC_LOCATOR_EVEN(x) ((x) & 0x001FF) 65eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define REC_ECC_LOCATOR_ODD(x) ((x) & 0x3FE00) 66eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MIR0 0x80 67eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MIR1 0x84 68eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MIR2 0x88 69eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define AMIR0 0x8C 70eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define AMIR1 0x90 71eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define AMIR2 0x94 72eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 73eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_FAT_FBD 0x98 74eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define NERR_FAT_FBD 0x9C 75eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EXTRACT_FBDCHAN_INDX(x) (((x)>>28) & 0x3) 76eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_FAT_FBDCHAN 0x30000000 77eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_FAT_M3ERR 0x00000004 78eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_FAT_M2ERR 0x00000002 79eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_FAT_M1ERR 0x00000001 80052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson#define FERR_FAT_MASK (FERR_FAT_M1ERR | \ 81eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_FAT_M2ERR | \ 82eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_FAT_M3ERR) 83eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 84eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_FBD 0xA0 85eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 86eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen/* Thermal and SPD or BFD errors */ 87eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M28ERR 0x01000000 88eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M27ERR 0x00800000 89eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M26ERR 0x00400000 90eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M25ERR 0x00200000 91eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M24ERR 0x00100000 92eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M23ERR 0x00080000 93eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M22ERR 0x00040000 94eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M21ERR 0x00020000 95eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 96eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen/* Correctable errors */ 97eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M20ERR 0x00010000 98eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M19ERR 0x00008000 99eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M18ERR 0x00004000 100eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M17ERR 0x00002000 101eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 102eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen/* Non-Retry or redundant Retry errors */ 103eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M16ERR 0x00001000 104eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M15ERR 0x00000800 105eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M14ERR 0x00000400 106eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M13ERR 0x00000200 107eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 108eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen/* Uncorrectable errors */ 109eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M12ERR 0x00000100 110eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M11ERR 0x00000080 111eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M10ERR 0x00000040 112eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M9ERR 0x00000020 113eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M8ERR 0x00000010 114eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M7ERR 0x00000008 115eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M6ERR 0x00000004 116eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M5ERR 0x00000002 117eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_M4ERR 0x00000001 118eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 119eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_UNCORRECTABLE (FERR_NF_M12ERR | \ 120eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_M11ERR | \ 121eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_M10ERR | \ 122c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski FERR_NF_M9ERR | \ 123052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson FERR_NF_M8ERR | \ 124eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_M7ERR | \ 125eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_M6ERR | \ 126eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_M5ERR | \ 127eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_M4ERR) 128eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_CORRECTABLE (FERR_NF_M20ERR | \ 129eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_M19ERR | \ 130eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_M18ERR | \ 131eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_M17ERR) 132eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_DIMM_SPARE (FERR_NF_M27ERR | \ 133eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_M28ERR) 134eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_THERMAL (FERR_NF_M26ERR | \ 135052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson FERR_NF_M25ERR | \ 136eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_M24ERR | \ 137eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_M23ERR) 138eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_SPD_PROTOCOL (FERR_NF_M22ERR) 139eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_NORTH_CRC (FERR_NF_M21ERR) 140eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_NON_RETRY (FERR_NF_M13ERR | \ 141eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_M14ERR | \ 142eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_M15ERR) 143eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 144eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define NERR_NF_FBD 0xA4 145eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define FERR_NF_MASK (FERR_NF_UNCORRECTABLE | \ 146eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_CORRECTABLE | \ 147eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_DIMM_SPARE | \ 148eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_THERMAL | \ 149eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_SPD_PROTOCOL | \ 150eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_NORTH_CRC | \ 151eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen FERR_NF_NON_RETRY) 152eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 153eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD 0xA8 154eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M28ERR 0x08000000 155eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M27ERR 0x04000000 156eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M26ERR 0x02000000 157eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M25ERR 0x01000000 158eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M24ERR 0x00800000 159eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M23ERR 0x00400000 160eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M22ERR 0x00200000 161eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M21ERR 0x00100000 162eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M20ERR 0x00080000 163eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M19ERR 0x00040000 164eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M18ERR 0x00020000 165eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M17ERR 0x00010000 166eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 167eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M15ERR 0x00004000 168eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M14ERR 0x00002000 169eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M13ERR 0x00001000 170eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M12ERR 0x00000800 171eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M11ERR 0x00000400 172eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M10ERR 0x00000200 173eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M9ERR 0x00000100 174eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M8ERR 0x00000080 175eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M7ERR 0x00000040 176eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M6ERR 0x00000020 177eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M5ERR 0x00000010 178eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M4ERR 0x00000008 179eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M3ERR 0x00000004 180eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M2ERR 0x00000002 181eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define EMASK_FBD_M1ERR 0x00000001 182eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 183eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define ENABLE_EMASK_FBD_FATAL_ERRORS (EMASK_FBD_M1ERR | \ 184eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M2ERR | \ 185eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M3ERR) 186eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 187eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define ENABLE_EMASK_FBD_UNCORRECTABLE (EMASK_FBD_M4ERR | \ 188eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M5ERR | \ 189eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M6ERR | \ 190eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M7ERR | \ 191eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M8ERR | \ 192eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M9ERR | \ 193eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M10ERR | \ 194eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M11ERR | \ 195eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M12ERR) 196eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define ENABLE_EMASK_FBD_CORRECTABLE (EMASK_FBD_M17ERR | \ 197eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M18ERR | \ 198eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M19ERR | \ 199eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M20ERR) 200eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define ENABLE_EMASK_FBD_DIMM_SPARE (EMASK_FBD_M27ERR | \ 201eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M28ERR) 202eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define ENABLE_EMASK_FBD_THERMALS (EMASK_FBD_M26ERR | \ 203eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M25ERR | \ 204eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M24ERR | \ 205eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M23ERR) 206eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define ENABLE_EMASK_FBD_SPD_PROTOCOL (EMASK_FBD_M22ERR) 207eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define ENABLE_EMASK_FBD_NORTH_CRC (EMASK_FBD_M21ERR) 208eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define ENABLE_EMASK_FBD_NON_RETRY (EMASK_FBD_M15ERR | \ 209eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M14ERR | \ 210eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen EMASK_FBD_M13ERR) 211eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 212eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define ENABLE_EMASK_ALL (ENABLE_EMASK_FBD_NON_RETRY | \ 213eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen ENABLE_EMASK_FBD_NORTH_CRC | \ 214eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen ENABLE_EMASK_FBD_SPD_PROTOCOL | \ 215eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen ENABLE_EMASK_FBD_THERMALS | \ 216eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen ENABLE_EMASK_FBD_DIMM_SPARE | \ 217eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen ENABLE_EMASK_FBD_FATAL_ERRORS | \ 218eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen ENABLE_EMASK_FBD_CORRECTABLE | \ 219eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen ENABLE_EMASK_FBD_UNCORRECTABLE) 220eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 221eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define ERR0_FBD 0xAC 222eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define ERR1_FBD 0xB0 223eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define ERR2_FBD 0xB4 224eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MCERR_FBD 0xB8 225eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define NRECMEMA 0xBE 226eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define NREC_BANK(x) (((x)>>12) & 0x7) 227eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define NREC_RDWR(x) (((x)>>11) & 1) 228eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define NREC_RANK(x) (((x)>>8) & 0x7) 229eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define NRECMEMB 0xC0 230eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define NREC_CAS(x) (((x)>>16) & 0xFFFFFF) 231eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define NREC_RAS(x) ((x) & 0x7FFF) 232eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define NRECFGLOG 0xC4 233eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define NREEECFBDA 0xC8 234eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define NREEECFBDB 0xCC 235eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define NREEECFBDC 0xD0 236eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define NREEECFBDD 0xD4 237eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define NREEECFBDE 0xD8 238eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define REDMEMA 0xDC 239eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define RECMEMA 0xE2 240eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define REC_BANK(x) (((x)>>12) & 0x7) 241eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define REC_RDWR(x) (((x)>>11) & 1) 242eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define REC_RANK(x) (((x)>>8) & 0x7) 243eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define RECMEMB 0xE4 244eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define REC_CAS(x) (((x)>>16) & 0xFFFFFF) 245eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define REC_RAS(x) ((x) & 0x7FFF) 246eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define RECFGLOG 0xE8 247eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define RECFBDA 0xEC 248eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define RECFBDB 0xF0 249eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define RECFBDC 0xF4 250eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define RECFBDD 0xF8 251eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define RECFBDE 0xFC 252eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 253eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen/* OFFSETS for Function 2 */ 254eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 255eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen/* 256eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Device 21, 257eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Function 0: Memory Map Branch 0 258eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 259eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Device 22, 260eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Function 0: Memory Map Branch 1 261eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 262eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define PCI_DEVICE_ID_I5000_BRANCH_0 0x25F5 263eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define PCI_DEVICE_ID_I5000_BRANCH_1 0x25F6 264eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 265eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define AMB_PRESENT_0 0x64 266eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define AMB_PRESENT_1 0x66 267eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MTR0 0x80 268eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MTR1 0x84 269eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MTR2 0x88 270eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MTR3 0x8C 271eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 272eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define NUM_MTRS 4 27364e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab#define CHANNELS_PER_BRANCH 2 27464e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab#define MAX_BRANCHES 2 275eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 2767e881856eee8b889b76cd1d8e04ce2fc79b72099Joe Perches/* Defines to extract the various fields from the 277eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * MTRx - Memory Technology Registers 278eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 279eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MTR_DIMMS_PRESENT(mtr) ((mtr) & (0x1 << 8)) 280eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MTR_DRAM_WIDTH(mtr) ((((mtr) >> 6) & 0x1) ? 8 : 4) 281eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MTR_DRAM_BANKS(mtr) ((((mtr) >> 5) & 0x1) ? 8 : 4) 282eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MTR_DRAM_BANKS_ADDR_BITS(mtr) ((MTR_DRAM_BANKS(mtr) == 8) ? 3 : 2) 283eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MTR_DIMM_RANK(mtr) (((mtr) >> 4) & 0x1) 284977c76bd687585f4528c6c9c6966842955771f52Marisuz Kozlowski#define MTR_DIMM_RANK_ADDR_BITS(mtr) (MTR_DIMM_RANK(mtr) ? 2 : 1) 285eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MTR_DIMM_ROWS(mtr) (((mtr) >> 2) & 0x3) 286eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MTR_DIMM_ROWS_ADDR_BITS(mtr) (MTR_DIMM_ROWS(mtr) + 13) 287eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MTR_DIMM_COLS(mtr) ((mtr) & 0x3) 288eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MTR_DIMM_COLS_ADDR_BITS(mtr) (MTR_DIMM_COLS(mtr) + 10) 289eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 290c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski/* enables the report of miscellaneous messages as CE errors - default off */ 291c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanskistatic int misc_messages; 292c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski 293eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen/* Enumeration of supported devices */ 294eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenenum i5000_chips { 295eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen I5000P = 0, 296eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen I5000V = 1, /* future */ 297eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen I5000X = 2 /* future */ 298eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen}; 299eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 300eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen/* Device name and register DID (Device ID) */ 301eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstruct i5000_dev_info { 302eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen const char *ctl_name; /* name for this device */ 303eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u16 fsb_mapping_errors; /* DID for the branchmap,control */ 304eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen}; 305eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 306eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen/* Table of devices attributes supported by this driver */ 307eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic const struct i5000_dev_info i5000_devs[] = { 308eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen [I5000P] = { 309052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson .ctl_name = "I5000", 310052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson .fsb_mapping_errors = PCI_DEVICE_ID_INTEL_I5000_DEV16, 311052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson }, 312eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen}; 313eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 314eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstruct i5000_dimm_info { 315eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int megabytes; /* size, 0 means not present */ 316eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int dual_rank; 317eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen}; 318eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 319eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MAX_CHANNELS 6 /* max possible channels */ 320eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen#define MAX_CSROWS (8*2) /* max possible csrows per channel */ 321eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 322eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen/* driver private data structure */ 323eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstruct i5000_pvt { 324eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct pci_dev *system_address; /* 16.0 */ 325eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct pci_dev *branchmap_werrors; /* 16.1 */ 326eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct pci_dev *fsb_error_regs; /* 16.2 */ 327eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct pci_dev *branch_0; /* 21.0 */ 328eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct pci_dev *branch_1; /* 22.0 */ 329eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 330eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u16 tolm; /* top of low memory */ 331f58d0dee07fe6328f775669eb6aa3a123efad6c2Dan Carpenter union { 332f58d0dee07fe6328f775669eb6aa3a123efad6c2Dan Carpenter u64 ambase; /* AMB BAR */ 333f58d0dee07fe6328f775669eb6aa3a123efad6c2Dan Carpenter struct { 334f58d0dee07fe6328f775669eb6aa3a123efad6c2Dan Carpenter u32 ambase_bottom; 335f58d0dee07fe6328f775669eb6aa3a123efad6c2Dan Carpenter u32 ambase_top; 336f58d0dee07fe6328f775669eb6aa3a123efad6c2Dan Carpenter } u __packed; 337f58d0dee07fe6328f775669eb6aa3a123efad6c2Dan Carpenter }; 338eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 339eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u16 mir0, mir1, mir2; 340eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 341eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u16 b0_mtr[NUM_MTRS]; /* Memory Technlogy Reg */ 342eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u16 b0_ambpresent0; /* Branch 0, Channel 0 */ 343eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u16 b0_ambpresent1; /* Brnach 0, Channel 1 */ 344eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 345eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u16 b1_mtr[NUM_MTRS]; /* Memory Technlogy Reg */ 346eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u16 b1_ambpresent0; /* Branch 1, Channel 8 */ 347eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u16 b1_ambpresent1; /* Branch 1, Channel 1 */ 348eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 3496f042b50e0ef8f2d3575a84c7db454449cf54e34Joe Perches /* DIMM information matrix, allocating architecture maximums */ 350eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct i5000_dimm_info dimm_info[MAX_CSROWS][MAX_CHANNELS]; 351eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 352eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Actual values for this controller */ 353eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int maxch; /* Max channels */ 354eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int maxdimmperch; /* Max DIMMs per channel */ 355eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen}; 356eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 357eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen/* I5000 MCH error information retrieved from Hardware */ 358eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstruct i5000_error_info { 359eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 360eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* These registers are always read from the MC */ 361eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u32 ferr_fat_fbd; /* First Errors Fatal */ 362eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u32 nerr_fat_fbd; /* Next Errors Fatal */ 363eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u32 ferr_nf_fbd; /* First Errors Non-Fatal */ 364eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u32 nerr_nf_fbd; /* Next Errors Non-Fatal */ 365eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 366eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* These registers are input ONLY if there was a Recoverable Error */ 367eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u32 redmemb; /* Recoverable Mem Data Error log B */ 368eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u16 recmema; /* Recoverable Mem Error log A */ 369eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u32 recmemb; /* Recoverable Mem Error log B */ 370eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 371eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* These registers are input ONLY if there was a 372eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Non-Recoverable Error */ 373eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u16 nrecmema; /* Non-Recoverable Mem log A */ 374eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u16 nrecmemb; /* Non-Recoverable Mem log B */ 375eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 376eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen}; 377eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 378456a2f9552e7849475f4aea1a9aa4c0e54b3dddaDave Jiangstatic struct edac_pci_ctl_info *i5000_pci; 379456a2f9552e7849475f4aea1a9aa4c0e54b3dddaDave Jiang 380b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 381eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * i5000_get_error_info Retrieve the hardware error information from 382eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * the hardware and cache it in the 'info' 383eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * structure 384eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 385eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic void i5000_get_error_info(struct mem_ctl_info *mci, 386b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson struct i5000_error_info *info) 387eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 388eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct i5000_pvt *pvt; 389eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u32 value; 390eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 391b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson pvt = mci->pvt_info; 392eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 393eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* read in the 1st FATAL error register */ 394eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_dword(pvt->branchmap_werrors, FERR_FAT_FBD, &value); 395eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 396eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Mask only the bits that the doc says are valid 397eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 398eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen value &= (FERR_FAT_FBDCHAN | FERR_FAT_MASK); 399eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 400eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* If there is an error, then read in the */ 401eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* NEXT FATAL error register and the Memory Error Log Register A */ 402eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (value & FERR_FAT_MASK) { 403eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen info->ferr_fat_fbd = value; 404eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 405eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* harvest the various error data we need */ 406eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_dword(pvt->branchmap_werrors, 407052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson NERR_FAT_FBD, &info->nerr_fat_fbd); 408eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_word(pvt->branchmap_werrors, 409052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson NRECMEMA, &info->nrecmema); 410eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_word(pvt->branchmap_werrors, 411052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson NRECMEMB, &info->nrecmemb); 412eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 413eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Clear the error bits, by writing them back */ 414eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_write_config_dword(pvt->branchmap_werrors, 415052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson FERR_FAT_FBD, value); 416eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } else { 417eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen info->ferr_fat_fbd = 0; 418eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen info->nerr_fat_fbd = 0; 419eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen info->nrecmema = 0; 420eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen info->nrecmemb = 0; 421eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 422eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 423eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* read in the 1st NON-FATAL error register */ 424eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_dword(pvt->branchmap_werrors, FERR_NF_FBD, &value); 425eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 426eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* If there is an error, then read in the 1st NON-FATAL error 427eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * register as well */ 428eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (value & FERR_NF_MASK) { 429eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen info->ferr_nf_fbd = value; 430eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 431eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* harvest the various error data we need */ 432eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_dword(pvt->branchmap_werrors, 433052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson NERR_NF_FBD, &info->nerr_nf_fbd); 434eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_word(pvt->branchmap_werrors, 435052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson RECMEMA, &info->recmema); 436eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_dword(pvt->branchmap_werrors, 437052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson RECMEMB, &info->recmemb); 438eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_dword(pvt->branchmap_werrors, 439052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson REDMEMB, &info->redmemb); 440eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 441eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Clear the error bits, by writing them back */ 442eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_write_config_dword(pvt->branchmap_werrors, 443052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson FERR_NF_FBD, value); 444eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } else { 445eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen info->ferr_nf_fbd = 0; 446eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen info->nerr_nf_fbd = 0; 447eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen info->recmema = 0; 448eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen info->recmemb = 0; 449eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen info->redmemb = 0; 450eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 451eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 452eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 453b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 454eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * i5000_process_fatal_error_info(struct mem_ctl_info *mci, 455eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * struct i5000_error_info *info, 456eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * int handle_errors); 457eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 458eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * handle the Intel FATAL errors, if any 459eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 460eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic void i5000_process_fatal_error_info(struct mem_ctl_info *mci, 461b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson struct i5000_error_info *info, 462052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson int handle_errors) 463eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 464c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski char msg[EDAC_MC_LABEL_LEN + 1 + 160]; 465c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski char *specific = NULL; 466eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u32 allErrors; 467eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int channel; 468eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int bank; 469eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int rank; 470eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int rdwr; 471eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int ras, cas; 472eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 473eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* mask off the Error bits that are possible */ 474eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen allErrors = (info->ferr_fat_fbd & FERR_FAT_MASK); 475eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (!allErrors) 476eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return; /* if no error, return now */ 477eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 478486dfb1638bc49e9f3bbbefbe4832024ba6abe0dMauro Carvalho Chehab channel = EXTRACT_FBDCHAN_INDX(info->ferr_fat_fbd); 479eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 480eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Use the NON-Recoverable macros to extract data */ 481eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen bank = NREC_BANK(info->nrecmema); 482eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen rank = NREC_RANK(info->nrecmema); 483eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen rdwr = NREC_RDWR(info->nrecmema); 484eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen ras = NREC_RAS(info->nrecmemb); 485eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen cas = NREC_CAS(info->nrecmemb); 486eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 487956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(0, "\t\tCSROW= %d Channel= %d (DRAM Bank= %d rdwr= %s ras= %d cas= %d)\n", 488956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches rank, channel, bank, 489956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches rdwr ? "Write" : "Read", ras, cas); 490eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 491eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Only 1 bit will be on */ 492c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski switch (allErrors) { 493c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_FAT_M1ERR: 494c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "Alert on non-redundant retry or fast " 495c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski "reset timeout"; 496c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 497c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_FAT_M2ERR: 498c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "Northbound CRC error on non-redundant " 499c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski "retry"; 500c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 501c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_FAT_M3ERR: 5028360e81b5dd23c153301f08937a68fd67d9b46c0Aristeu Rozanski { 5038360e81b5dd23c153301f08937a68fd67d9b46c0Aristeu Rozanski static int done; 5048360e81b5dd23c153301f08937a68fd67d9b46c0Aristeu Rozanski 5058360e81b5dd23c153301f08937a68fd67d9b46c0Aristeu Rozanski /* 5068360e81b5dd23c153301f08937a68fd67d9b46c0Aristeu Rozanski * This error is generated to inform that the intelligent 5078360e81b5dd23c153301f08937a68fd67d9b46c0Aristeu Rozanski * throttling is disabled and the temperature passed the 5088360e81b5dd23c153301f08937a68fd67d9b46c0Aristeu Rozanski * specified middle point. Since this is something the BIOS 5098360e81b5dd23c153301f08937a68fd67d9b46c0Aristeu Rozanski * should take care of, we'll warn only once to avoid 5108360e81b5dd23c153301f08937a68fd67d9b46c0Aristeu Rozanski * worthlessly flooding the log. 5118360e81b5dd23c153301f08937a68fd67d9b46c0Aristeu Rozanski */ 5128360e81b5dd23c153301f08937a68fd67d9b46c0Aristeu Rozanski if (done) 5138360e81b5dd23c153301f08937a68fd67d9b46c0Aristeu Rozanski return; 5148360e81b5dd23c153301f08937a68fd67d9b46c0Aristeu Rozanski done++; 5158360e81b5dd23c153301f08937a68fd67d9b46c0Aristeu Rozanski 516c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = ">Tmid Thermal event with intelligent " 5178360e81b5dd23c153301f08937a68fd67d9b46c0Aristeu Rozanski "throttling disabled"; 5188360e81b5dd23c153301f08937a68fd67d9b46c0Aristeu Rozanski } 519c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 520eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 521eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 522eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Form out message */ 523eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen snprintf(msg, sizeof(msg), 524702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab "Bank=%d RAS=%d CAS=%d FATAL Err=0x%x (%s)", 525702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab bank, ras, cas, allErrors, specific); 526eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 527eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Call the helper to output message */ 5289eb07a7fb8a90ee39fa9d5489afc0330cfcfbea7Mauro Carvalho Chehab edac_mc_handle_error(HW_EVENT_ERR_FATAL, mci, 1, 0, 0, 0, 529486dfb1638bc49e9f3bbbefbe4832024ba6abe0dMauro Carvalho Chehab channel >> 1, channel & 1, rank, 530702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab rdwr ? "Write error" : "Read error", 53103f7eae80f4b913929be84e0c883ee98196fd6ffMauro Carvalho Chehab msg); 532eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 533eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 534b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 535eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * i5000_process_fatal_error_info(struct mem_ctl_info *mci, 536052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson * struct i5000_error_info *info, 537052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson * int handle_errors); 538eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 539eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * handle the Intel NON-FATAL errors, if any 540eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 541eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic void i5000_process_nonfatal_error_info(struct mem_ctl_info *mci, 542b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson struct i5000_error_info *info, 543052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson int handle_errors) 544eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 545c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski char msg[EDAC_MC_LABEL_LEN + 1 + 170]; 546c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski char *specific = NULL; 547eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u32 allErrors; 548eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u32 ue_errors; 549eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u32 ce_errors; 550eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u32 misc_errors; 551eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int branch; 552eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int channel; 553eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int bank; 554eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int rank; 555eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int rdwr; 556eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int ras, cas; 557eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 558eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* mask off the Error bits that are possible */ 559eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen allErrors = (info->ferr_nf_fbd & FERR_NF_MASK); 560eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (!allErrors) 561eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return; /* if no error, return now */ 562eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 563eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* ONLY ONE of the possible error bits will be set, as per the docs */ 564eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen ue_errors = allErrors & FERR_NF_UNCORRECTABLE; 565eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (ue_errors) { 566956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(0, "\tUncorrected bits= 0x%x\n", ue_errors); 567eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 568eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen branch = EXTRACT_FBDCHAN_INDX(info->ferr_nf_fbd); 569118f3e1afd5534c15f9701f33514186cfc841a27Tamas Vincze 570118f3e1afd5534c15f9701f33514186cfc841a27Tamas Vincze /* 571118f3e1afd5534c15f9701f33514186cfc841a27Tamas Vincze * According with i5000 datasheet, bit 28 has no significance 572118f3e1afd5534c15f9701f33514186cfc841a27Tamas Vincze * for errors M4Err-M12Err and M17Err-M21Err, on FERR_NF_FBD 573118f3e1afd5534c15f9701f33514186cfc841a27Tamas Vincze */ 574118f3e1afd5534c15f9701f33514186cfc841a27Tamas Vincze channel = branch & 2; 575118f3e1afd5534c15f9701f33514186cfc841a27Tamas Vincze 576eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen bank = NREC_BANK(info->nrecmema); 577eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen rank = NREC_RANK(info->nrecmema); 578eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen rdwr = NREC_RDWR(info->nrecmema); 579eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen ras = NREC_RAS(info->nrecmemb); 580eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen cas = NREC_CAS(info->nrecmemb); 581eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 582956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(0, "\t\tCSROW= %d Channels= %d,%d (Branch= %d DRAM Bank= %d rdwr= %s ras= %d cas= %d)\n", 583956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches rank, channel, channel + 1, branch >> 1, bank, 584956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches rdwr ? "Write" : "Read", ras, cas); 585eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 586c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski switch (ue_errors) { 587c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M12ERR: 588c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "Non-Aliased Uncorrectable Patrol Data ECC"; 589c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 590c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M11ERR: 591c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "Non-Aliased Uncorrectable Spare-Copy " 592c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski "Data ECC"; 593c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 594c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M10ERR: 595c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "Non-Aliased Uncorrectable Mirrored Demand " 596c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski "Data ECC"; 597c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 598c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M9ERR: 599c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "Non-Aliased Uncorrectable Non-Mirrored " 600c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski "Demand Data ECC"; 601c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 602c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M8ERR: 603c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "Aliased Uncorrectable Patrol Data ECC"; 604c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 605c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M7ERR: 606c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "Aliased Uncorrectable Spare-Copy Data ECC"; 607c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 608c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M6ERR: 609c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "Aliased Uncorrectable Mirrored Demand " 610c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski "Data ECC"; 611c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 612c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M5ERR: 613c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "Aliased Uncorrectable Non-Mirrored Demand " 614c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski "Data ECC"; 615c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 616c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M4ERR: 617c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "Uncorrectable Data ECC on Replay"; 618c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 619c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski } 620c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski 621eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Form out message */ 622eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen snprintf(msg, sizeof(msg), 623702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab "Rank=%d Bank=%d RAS=%d CAS=%d, UE Err=0x%x (%s)", 624702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab rank, bank, ras, cas, ue_errors, specific); 625eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 626eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Call the helper to output message */ 6279eb07a7fb8a90ee39fa9d5489afc0330cfcfbea7Mauro Carvalho Chehab edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1, 0, 0, 0, 628702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab channel >> 1, -1, rank, 629702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab rdwr ? "Write error" : "Read error", 63003f7eae80f4b913929be84e0c883ee98196fd6ffMauro Carvalho Chehab msg); 631eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 632eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 633eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Check correctable errors */ 634eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen ce_errors = allErrors & FERR_NF_CORRECTABLE; 635eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (ce_errors) { 636956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(0, "\tCorrected bits= 0x%x\n", ce_errors); 637eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 638eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen branch = EXTRACT_FBDCHAN_INDX(info->ferr_nf_fbd); 639eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 640eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen channel = 0; 641eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (REC_ECC_LOCATOR_ODD(info->redmemb)) 642eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen channel = 1; 643eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 644eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Convert channel to be based from zero, instead of 645eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * from branch base of 0 */ 646eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen channel += branch; 647eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 648eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen bank = REC_BANK(info->recmema); 649eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen rank = REC_RANK(info->recmema); 650eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen rdwr = REC_RDWR(info->recmema); 651eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen ras = REC_RAS(info->recmemb); 652eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen cas = REC_CAS(info->recmemb); 653eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 654956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(0, "\t\tCSROW= %d Channel= %d (Branch %d DRAM Bank= %d rdwr= %s ras= %d cas= %d)\n", 655956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches rank, channel, branch >> 1, bank, 656956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches rdwr ? "Write" : "Read", ras, cas); 657eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 658c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski switch (ce_errors) { 659c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M17ERR: 660c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "Correctable Non-Mirrored Demand Data ECC"; 661c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 662c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M18ERR: 663c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "Correctable Mirrored Demand Data ECC"; 664c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 665c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M19ERR: 666c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "Correctable Spare-Copy Data ECC"; 667c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 668c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M20ERR: 669c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "Correctable Patrol Data ECC"; 670c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 671c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski } 672c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski 673eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Form out message */ 674eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen snprintf(msg, sizeof(msg), 675702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab "Rank=%d Bank=%d RDWR=%s RAS=%d " 676c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski "CAS=%d, CE Err=0x%x (%s))", branch >> 1, bank, 677c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski rdwr ? "Write" : "Read", ras, cas, ce_errors, 678c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific); 679eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 680eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Call the helper to output message */ 6819eb07a7fb8a90ee39fa9d5489afc0330cfcfbea7Mauro Carvalho Chehab edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1, 0, 0, 0, 682702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab channel >> 1, channel % 2, rank, 683702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab rdwr ? "Write error" : "Read error", 68403f7eae80f4b913929be84e0c883ee98196fd6ffMauro Carvalho Chehab msg); 685eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 686eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 687c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski if (!misc_messages) 688c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski return; 689eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 690c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski misc_errors = allErrors & (FERR_NF_NON_RETRY | FERR_NF_NORTH_CRC | 691c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski FERR_NF_SPD_PROTOCOL | FERR_NF_DIMM_SPARE); 692eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (misc_errors) { 693c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski switch (misc_errors) { 694c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M13ERR: 695c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "Non-Retry or Redundant Retry FBD Memory " 696c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski "Alert or Redundant Fast Reset Timeout"; 697c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 698c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M14ERR: 699c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "Non-Retry or Redundant Retry FBD " 700c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski "Configuration Alert"; 701c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 702c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M15ERR: 703c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "Non-Retry or Redundant Retry FBD " 704c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski "Northbound CRC error on read data"; 705c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 706c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M21ERR: 707c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "FBD Northbound CRC error on " 708c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski "FBD Sync Status"; 709c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 710c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M22ERR: 711c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "SPD protocol error"; 712c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 713c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M27ERR: 714c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "DIMM-spare copy started"; 715c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 716c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski case FERR_NF_M28ERR: 717c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski specific = "DIMM-spare copy completed"; 718c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski break; 719c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski } 720c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski branch = EXTRACT_FBDCHAN_INDX(info->ferr_nf_fbd); 721eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 722c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski /* Form out message */ 723c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski snprintf(msg, sizeof(msg), 724702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab "Err=%#x (%s)", misc_errors, specific); 725eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 726c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski /* Call the helper to output message */ 7279eb07a7fb8a90ee39fa9d5489afc0330cfcfbea7Mauro Carvalho Chehab edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1, 0, 0, 0, 728702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab branch >> 1, -1, -1, 72903f7eae80f4b913929be84e0c883ee98196fd6ffMauro Carvalho Chehab "Misc error", msg); 730eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 731eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 732eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 733b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 734eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * i5000_process_error_info Process the error info that is 735eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * in the 'info' structure, previously retrieved from hardware 736eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 737eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic void i5000_process_error_info(struct mem_ctl_info *mci, 738b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson struct i5000_error_info *info, 739052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson int handle_errors) 740eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 741eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* First handle any fatal errors that occurred */ 742eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen i5000_process_fatal_error_info(mci, info, handle_errors); 743eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 744eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* now handle any non-fatal errors that occurred */ 745eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen i5000_process_nonfatal_error_info(mci, info, handle_errors); 746eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 747eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 748b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 749eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * i5000_clear_error Retrieve any error from the hardware 750eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * but do NOT process that error. 751eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Used for 'clearing' out of previous errors 752eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Called by the Core module. 753eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 754eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic void i5000_clear_error(struct mem_ctl_info *mci) 755eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 756eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct i5000_error_info info; 757eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 758eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen i5000_get_error_info(mci, &info); 759eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 760eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 761b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 762eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * i5000_check_error Retrieve and process errors reported by the 763eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * hardware. Called by the Core module. 764eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 765eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic void i5000_check_error(struct mem_ctl_info *mci) 766eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 767eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct i5000_error_info info; 768956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(4, "MC%d\n", mci->mc_idx); 769eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen i5000_get_error_info(mci, &info); 770eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen i5000_process_error_info(mci, &info, 1); 771eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 772eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 773b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 774eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * i5000_get_devices Find and perform 'get' operation on the MCH's 775eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * device/functions we want to reference for this driver 776eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 777eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Need to 'get' device 16 func 1 and func 2 778eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 779eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic int i5000_get_devices(struct mem_ctl_info *mci, int dev_idx) 780eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 781eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen //const struct i5000_dev_info *i5000_dev = &i5000_devs[dev_idx]; 782eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct i5000_pvt *pvt; 783eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct pci_dev *pdev; 784eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 785b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson pvt = mci->pvt_info; 786eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 787eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Attempt to 'get' the MCH register we want */ 788eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pdev = NULL; 789eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen while (1) { 790eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 791052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson PCI_DEVICE_ID_INTEL_I5000_DEV16, pdev); 792eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 793eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* End of list, leave */ 794eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (pdev == NULL) { 795eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen i5000_printk(KERN_ERR, 796052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson "'system address,Process Bus' " 797052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson "device not found:" 798052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson "vendor 0x%x device 0x%x FUNC 1 " 799052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson "(broken BIOS?)\n", 800052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson PCI_VENDOR_ID_INTEL, 801052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson PCI_DEVICE_ID_INTEL_I5000_DEV16); 802eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 803eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return 1; 804eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 805eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 806eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Scan for device 16 func 1 */ 807eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (PCI_FUNC(pdev->devfn) == 1) 808eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen break; 809eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 810eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 811eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pvt->branchmap_werrors = pdev; 812eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 813eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Attempt to 'get' the MCH register we want */ 814eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pdev = NULL; 815eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen while (1) { 816eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 817052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson PCI_DEVICE_ID_INTEL_I5000_DEV16, pdev); 818eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 819eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (pdev == NULL) { 820eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen i5000_printk(KERN_ERR, 821052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson "MC: 'branchmap,control,errors' " 822052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson "device not found:" 823052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson "vendor 0x%x device 0x%x Func 2 " 824052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson "(broken BIOS?)\n", 825052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson PCI_VENDOR_ID_INTEL, 826052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson PCI_DEVICE_ID_INTEL_I5000_DEV16); 827eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 828eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_dev_put(pvt->branchmap_werrors); 829eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return 1; 830eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 831eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 832eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Scan for device 16 func 1 */ 833eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (PCI_FUNC(pdev->devfn) == 2) 834eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen break; 835eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 836eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 837eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pvt->fsb_error_regs = pdev; 838eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 839956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(1, "System Address, processor bus- PCI Bus ID: %s %x:%x\n", 840956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches pci_name(pvt->system_address), 841956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches pvt->system_address->vendor, pvt->system_address->device); 842956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(1, "Branchmap, control and errors - PCI Bus ID: %s %x:%x\n", 843956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches pci_name(pvt->branchmap_werrors), 844956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches pvt->branchmap_werrors->vendor, 845956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches pvt->branchmap_werrors->device); 846956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(1, "FSB Error Regs - PCI Bus ID: %s %x:%x\n", 847956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches pci_name(pvt->fsb_error_regs), 848956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches pvt->fsb_error_regs->vendor, pvt->fsb_error_regs->device); 849eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 850eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pdev = NULL; 851eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 852052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson PCI_DEVICE_ID_I5000_BRANCH_0, pdev); 853eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 854eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (pdev == NULL) { 855eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen i5000_printk(KERN_ERR, 856052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson "MC: 'BRANCH 0' device not found:" 857052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson "vendor 0x%x device 0x%x Func 0 (broken BIOS?)\n", 858052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_I5000_BRANCH_0); 859eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 860eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_dev_put(pvt->branchmap_werrors); 861eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_dev_put(pvt->fsb_error_regs); 862eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return 1; 863eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 864eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 865eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pvt->branch_0 = pdev; 866eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 867eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* If this device claims to have more than 2 channels then 868eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * fetch Branch 1's information 869eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 870eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (pvt->maxch >= CHANNELS_PER_BRANCH) { 871eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pdev = NULL; 872eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 873052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson PCI_DEVICE_ID_I5000_BRANCH_1, pdev); 874eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 875eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (pdev == NULL) { 876eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen i5000_printk(KERN_ERR, 877052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson "MC: 'BRANCH 1' device not found:" 878052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson "vendor 0x%x device 0x%x Func 0 " 879052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson "(broken BIOS?)\n", 880052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson PCI_VENDOR_ID_INTEL, 881052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson PCI_DEVICE_ID_I5000_BRANCH_1); 882eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 883eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_dev_put(pvt->branchmap_werrors); 884eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_dev_put(pvt->fsb_error_regs); 885eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_dev_put(pvt->branch_0); 886eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return 1; 887eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 888eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 889eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pvt->branch_1 = pdev; 890eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 891eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 892eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return 0; 893eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 894eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 895b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 896eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * i5000_put_devices 'put' all the devices that we have 897eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * reserved via 'get' 898eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 899eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic void i5000_put_devices(struct mem_ctl_info *mci) 900eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 901eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct i5000_pvt *pvt; 902eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 903b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson pvt = mci->pvt_info; 904eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 905eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_dev_put(pvt->branchmap_werrors); /* FUNC 1 */ 906eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_dev_put(pvt->fsb_error_regs); /* FUNC 2 */ 907eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_dev_put(pvt->branch_0); /* DEV 21 */ 908eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 909eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Only if more than 2 channels do we release the second branch */ 910b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson if (pvt->maxch >= CHANNELS_PER_BRANCH) 911eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_dev_put(pvt->branch_1); /* DEV 22 */ 912eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 913eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 914b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 915eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * determine_amb_resent 916eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 917eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * the information is contained in NUM_MTRS different registers 918eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * determineing which of the NUM_MTRS requires knowing 919eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * which channel is in question 920eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 921eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 2 branches, each with 2 channels 922eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * b0_ambpresent0 for channel '0' 923eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * b0_ambpresent1 for channel '1' 924eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * b1_ambpresent0 for channel '2' 925eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * b1_ambpresent1 for channel '3' 926eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 927eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic int determine_amb_present_reg(struct i5000_pvt *pvt, int channel) 928eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 929eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int amb_present; 930eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 931eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (channel < CHANNELS_PER_BRANCH) { 932eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (channel & 0x1) 933eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen amb_present = pvt->b0_ambpresent1; 934eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen else 935eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen amb_present = pvt->b0_ambpresent0; 936eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } else { 937eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (channel & 0x1) 938eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen amb_present = pvt->b1_ambpresent1; 939eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen else 940eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen amb_present = pvt->b1_ambpresent0; 941eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 942eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 943eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return amb_present; 944eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 945eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 946b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 947eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * determine_mtr(pvt, csrow, channel) 948eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 949eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * return the proper MTR register as determine by the csrow and channel desired 950eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 95164e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehabstatic int determine_mtr(struct i5000_pvt *pvt, int slot, int channel) 952eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 953eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int mtr; 954eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 955eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (channel < CHANNELS_PER_BRANCH) 95664e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab mtr = pvt->b0_mtr[slot]; 957eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen else 95864e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab mtr = pvt->b1_mtr[slot]; 959eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 960eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return mtr; 961eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 962eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 963b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 964eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 965eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic void decode_mtr(int slot_row, u16 mtr) 966eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 967eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int ans; 968eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 969eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen ans = MTR_DIMMS_PRESENT(mtr); 970eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 971956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "\tMTR%d=0x%x: DIMMs are %sPresent\n", 972956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches slot_row, mtr, ans ? "" : "NOT "); 973eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (!ans) 974eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return; 975eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 976956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "\t\tWIDTH: x%d\n", MTR_DRAM_WIDTH(mtr)); 977956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "\t\tNUMBANK: %d bank(s)\n", MTR_DRAM_BANKS(mtr)); 978956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "\t\tNUMRANK: %s\n", 979956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches MTR_DIMM_RANK(mtr) ? "double" : "single"); 980956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "\t\tNUMROW: %s\n", 981956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches MTR_DIMM_ROWS(mtr) == 0 ? "8,192 - 13 rows" : 982956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches MTR_DIMM_ROWS(mtr) == 1 ? "16,384 - 14 rows" : 983956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches MTR_DIMM_ROWS(mtr) == 2 ? "32,768 - 15 rows" : 984956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches "reserved"); 985956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "\t\tNUMCOL: %s\n", 986956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches MTR_DIMM_COLS(mtr) == 0 ? "1,024 - 10 columns" : 987956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches MTR_DIMM_COLS(mtr) == 1 ? "2,048 - 11 columns" : 988956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches MTR_DIMM_COLS(mtr) == 2 ? "4,096 - 12 columns" : 989956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches "reserved"); 990eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 991eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 99264e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehabstatic void handle_channel(struct i5000_pvt *pvt, int slot, int channel, 993052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson struct i5000_dimm_info *dinfo) 994eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 995eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int mtr; 996eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int amb_present_reg; 997eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int addrBits; 998eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 99964e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab mtr = determine_mtr(pvt, slot, channel); 1000eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (MTR_DIMMS_PRESENT(mtr)) { 1001eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen amb_present_reg = determine_amb_present_reg(pvt, channel); 1002eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 100364e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab /* Determine if there is a DIMM present in this DIMM slot */ 100464e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab if (amb_present_reg) { 1005eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen dinfo->dual_rank = MTR_DIMM_RANK(mtr); 1006eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 100764e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab /* Start with the number of bits for a Bank 100864e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab * on the DRAM */ 100964e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab addrBits = MTR_DRAM_BANKS_ADDR_BITS(mtr); 101064e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab /* Add the number of ROW bits */ 101164e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab addrBits += MTR_DIMM_ROWS_ADDR_BITS(mtr); 101264e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab /* add the number of COLUMN bits */ 101364e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab addrBits += MTR_DIMM_COLS_ADDR_BITS(mtr); 101464e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab 1015b70f833377fc80d7446218b36206e2e299fc6bfdMauro Carvalho Chehab /* Dual-rank memories have twice the size */ 1016b70f833377fc80d7446218b36206e2e299fc6bfdMauro Carvalho Chehab if (dinfo->dual_rank) 1017b70f833377fc80d7446218b36206e2e299fc6bfdMauro Carvalho Chehab addrBits++; 1018b70f833377fc80d7446218b36206e2e299fc6bfdMauro Carvalho Chehab 101964e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab addrBits += 6; /* add 64 bits per DIMM */ 102064e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab addrBits -= 20; /* divide by 2^^20 */ 102164e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab addrBits -= 3; /* 8 bits per bytes */ 102264e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab 102364e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab dinfo->megabytes = 1 << addrBits; 1024eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 1025eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 1026eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 1027eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1028b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 1029eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * calculate_dimm_size 1030eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 1031eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * also will output a DIMM matrix map, if debug is enabled, for viewing 1032eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * how the DIMMs are populated 1033eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 1034eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic void calculate_dimm_size(struct i5000_pvt *pvt) 1035eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 1036eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct i5000_dimm_info *dinfo; 103764e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab int slot, channel, branch; 1038eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen char *p, *mem_buffer; 1039eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int space, n; 1040eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1041eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* ================= Generate some debug output ================= */ 1042eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen space = PAGE_SIZE; 1043eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen mem_buffer = p = kmalloc(space, GFP_KERNEL); 1044eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (p == NULL) { 1045eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen i5000_printk(KERN_ERR, "MC: %s:%s() kmalloc() failed\n", 1046052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson __FILE__, __func__); 1047eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return; 1048eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 1049eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 105064e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab /* Scan all the actual slots 1051eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * and calculate the information for each DIMM 105264e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab * Start with the highest slot first, to display it first 105364e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab * and work toward the 0th slot 1054eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 105564e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab for (slot = pvt->maxdimmperch - 1; slot >= 0; slot--) { 1056eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 105764e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab /* on an odd slot, first output a 'boundary' marker, 1058eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * then reset the message buffer */ 105964e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab if (slot & 0x1) { 106064e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab n = snprintf(p, space, "--------------------------" 1061052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson "--------------------------------"); 1062eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen p += n; 1063eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen space -= n; 1064956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "%s\n", mem_buffer); 1065eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen p = mem_buffer; 1066eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen space = PAGE_SIZE; 1067eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 106864e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab n = snprintf(p, space, "slot %2d ", slot); 1069eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen p += n; 1070eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen space -= n; 1071eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1072eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen for (channel = 0; channel < pvt->maxch; channel++) { 107364e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab dinfo = &pvt->dimm_info[slot][channel]; 107464e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab handle_channel(pvt, slot, channel, dinfo); 107564e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab if (dinfo->megabytes) 107664e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab n = snprintf(p, space, "%4d MB %dR| ", 107764e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab dinfo->megabytes, dinfo->dual_rank + 1); 107864e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab else 107964e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab n = snprintf(p, space, "%4d MB | ", 0); 1080eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen p += n; 1081eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen space -= n; 1082eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 1083eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen p += n; 1084eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen space -= n; 1085956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "%s\n", mem_buffer); 108664e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab p = mem_buffer; 108764e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab space = PAGE_SIZE; 1088eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 1089eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1090eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Output the last bottom 'boundary' marker */ 109164e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab n = snprintf(p, space, "--------------------------" 109264e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab "--------------------------------"); 1093eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen p += n; 1094eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen space -= n; 1095956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "%s\n", mem_buffer); 109664e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab p = mem_buffer; 109764e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab space = PAGE_SIZE; 1098eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1099eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* now output the 'channel' labels */ 110064e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab n = snprintf(p, space, " "); 1101eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen p += n; 1102eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen space -= n; 1103eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen for (channel = 0; channel < pvt->maxch; channel++) { 1104eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen n = snprintf(p, space, "channel %d | ", channel); 1105eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen p += n; 1106eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen space -= n; 1107eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 1108956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "%s\n", mem_buffer); 110964e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab p = mem_buffer; 111064e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab space = PAGE_SIZE; 111164e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab 111264e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab n = snprintf(p, space, " "); 1113eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen p += n; 111464e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab for (branch = 0; branch < MAX_BRANCHES; branch++) { 111564e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab n = snprintf(p, space, " branch %d | ", branch); 111664e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab p += n; 111764e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab space -= n; 111864e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab } 1119eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1120eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* output the last message and free buffer */ 1121956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "%s\n", mem_buffer); 1122eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen kfree(mem_buffer); 1123eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 1124eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1125b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 1126eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * i5000_get_mc_regs read in the necessary registers and 1127eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * cache locally 1128eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 1129eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Fills in the private data members 1130eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 1131eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic void i5000_get_mc_regs(struct mem_ctl_info *mci) 1132eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 1133eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct i5000_pvt *pvt; 1134eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u32 actual_tolm; 1135eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u16 limit; 1136eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int slot_row; 1137eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int maxch; 1138eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int maxdimmperch; 1139eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int way0, way1; 1140eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1141b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson pvt = mci->pvt_info; 1142eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1143eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_dword(pvt->system_address, AMBASE, 1144f58d0dee07fe6328f775669eb6aa3a123efad6c2Dan Carpenter &pvt->u.ambase_bottom); 1145eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_dword(pvt->system_address, AMBASE + sizeof(u32), 1146f58d0dee07fe6328f775669eb6aa3a123efad6c2Dan Carpenter &pvt->u.ambase_top); 1147eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1148eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen maxdimmperch = pvt->maxdimmperch; 1149eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen maxch = pvt->maxch; 1150eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1151956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "AMBASE= 0x%lx MAXCH= %d MAX-DIMM-Per-CH= %d\n", 1152956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches (long unsigned int)pvt->ambase, pvt->maxch, pvt->maxdimmperch); 1153eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1154eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Get the Branch Map regs */ 1155eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_word(pvt->branchmap_werrors, TOLM, &pvt->tolm); 1156eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pvt->tolm >>= 12; 1157956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "TOLM (number of 256M regions) =%u (0x%x)\n", 1158956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches pvt->tolm, pvt->tolm); 1159eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1160eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen actual_tolm = pvt->tolm << 28; 1161956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "Actual TOLM byte addr=%u (0x%x)\n", 1162956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches actual_tolm, actual_tolm); 1163eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1164eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_word(pvt->branchmap_werrors, MIR0, &pvt->mir0); 1165eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_word(pvt->branchmap_werrors, MIR1, &pvt->mir1); 1166eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_word(pvt->branchmap_werrors, MIR2, &pvt->mir2); 1167eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1168eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Get the MIR[0-2] regs */ 1169eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen limit = (pvt->mir0 >> 4) & 0x0FFF; 1170eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen way0 = pvt->mir0 & 0x1; 1171eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen way1 = pvt->mir0 & 0x2; 1172956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "MIR0: limit= 0x%x WAY1= %u WAY0= %x\n", 1173956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches limit, way1, way0); 1174eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen limit = (pvt->mir1 >> 4) & 0x0FFF; 1175eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen way0 = pvt->mir1 & 0x1; 1176eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen way1 = pvt->mir1 & 0x2; 1177956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "MIR1: limit= 0x%x WAY1= %u WAY0= %x\n", 1178956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches limit, way1, way0); 1179eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen limit = (pvt->mir2 >> 4) & 0x0FFF; 1180eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen way0 = pvt->mir2 & 0x1; 1181eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen way1 = pvt->mir2 & 0x2; 1182956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "MIR2: limit= 0x%x WAY1= %u WAY0= %x\n", 1183956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches limit, way1, way0); 1184eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1185eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Get the MTR[0-3] regs */ 1186eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen for (slot_row = 0; slot_row < NUM_MTRS; slot_row++) { 1187eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int where = MTR0 + (slot_row * sizeof(u32)); 1188eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1189eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_word(pvt->branch_0, where, 1190052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson &pvt->b0_mtr[slot_row]); 1191eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1192956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "MTR%d where=0x%x B0 value=0x%x\n", 1193956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches slot_row, where, pvt->b0_mtr[slot_row]); 1194eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1195eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (pvt->maxch >= CHANNELS_PER_BRANCH) { 1196eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_word(pvt->branch_1, where, 1197052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson &pvt->b1_mtr[slot_row]); 1198956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "MTR%d where=0x%x B1 value=0x%x\n", 1199956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches slot_row, where, pvt->b1_mtr[slot_row]); 1200eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } else { 1201eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pvt->b1_mtr[slot_row] = 0; 1202eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 1203eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 1204eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1205eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Read and dump branch 0's MTRs */ 1206956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "Memory Technology Registers:\n"); 1207956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, " Branch 0:\n"); 1208eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen for (slot_row = 0; slot_row < NUM_MTRS; slot_row++) { 1209eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen decode_mtr(slot_row, pvt->b0_mtr[slot_row]); 1210eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 1211eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_word(pvt->branch_0, AMB_PRESENT_0, 1212052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson &pvt->b0_ambpresent0); 1213956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "\t\tAMB-Branch 0-present0 0x%x:\n", pvt->b0_ambpresent0); 1214eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_word(pvt->branch_0, AMB_PRESENT_1, 1215052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson &pvt->b0_ambpresent1); 1216956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "\t\tAMB-Branch 0-present1 0x%x:\n", pvt->b0_ambpresent1); 1217eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1218eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Only if we have 2 branchs (4 channels) */ 1219eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (pvt->maxch < CHANNELS_PER_BRANCH) { 1220eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pvt->b1_ambpresent0 = 0; 1221eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pvt->b1_ambpresent1 = 0; 1222eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } else { 1223eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Read and dump branch 1's MTRs */ 1224956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, " Branch 1:\n"); 1225eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen for (slot_row = 0; slot_row < NUM_MTRS; slot_row++) { 1226eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen decode_mtr(slot_row, pvt->b1_mtr[slot_row]); 1227eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 1228eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_word(pvt->branch_1, AMB_PRESENT_0, 1229052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson &pvt->b1_ambpresent0); 1230956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "\t\tAMB-Branch 1-present0 0x%x:\n", 1231956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches pvt->b1_ambpresent0); 1232eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_word(pvt->branch_1, AMB_PRESENT_1, 1233052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson &pvt->b1_ambpresent1); 1234956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "\t\tAMB-Branch 1-present1 0x%x:\n", 1235956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches pvt->b1_ambpresent1); 1236eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 1237eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1238eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Go and determine the size of each DIMM and place in an 1239eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * orderly matrix */ 1240eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen calculate_dimm_size(pvt); 1241eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 1242eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1243b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 1244eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * i5000_init_csrows Initialize the 'csrows' table within 1245eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * the mci control structure with the 1246eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * addressing of memory. 1247eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 1248eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * return: 1249eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 0 success 1250eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 1 no actual memory found on this MC 1251eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 1252eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic int i5000_init_csrows(struct mem_ctl_info *mci) 1253eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 1254eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct i5000_pvt *pvt; 1255a895bf8b1e1ea4c032a8fa8a09475a2ce09fe77aMauro Carvalho Chehab struct dimm_info *dimm; 1256eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int empty, channel_count; 1257eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int max_csrows; 125864e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab int mtr; 1259eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int csrow_megs; 1260eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int channel; 126164e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab int slot; 1262eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1263b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson pvt = mci->pvt_info; 1264eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1265eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen channel_count = pvt->maxch; 1266eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen max_csrows = pvt->maxdimmperch * 2; 1267eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1268eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen empty = 1; /* Assume NO memory */ 1269eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1270702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab /* 127164e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab * FIXME: The memory layout used to map slot/channel into the 127264e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab * real memory architecture is weird: branch+slot are "csrows" 127364e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab * and channel is channel. That required an extra array (dimm_info) 127464e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab * to map the dimms. A good cleanup would be to remove this array, 127564e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab * and do a loop here with branch, channel, slot 1276702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab */ 127764e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab for (slot = 0; slot < max_csrows; slot++) { 127864e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab for (channel = 0; channel < pvt->maxch; channel++) { 1279eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 128064e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab mtr = determine_mtr(pvt, slot, channel); 1281eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 128264e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab if (!MTR_DIMMS_PRESENT(mtr)) 128364e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab continue; 1284eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 128564e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab dimm = EDAC_DIMM_PTR(mci->layers, mci->dimms, mci->n_layers, 128664e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab channel / MAX_BRANCHES, 128764e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab channel % MAX_BRANCHES, slot); 1288eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 128964e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab csrow_megs = pvt->dimm_info[slot][channel].megabytes; 1290a895bf8b1e1ea4c032a8fa8a09475a2ce09fe77aMauro Carvalho Chehab dimm->grain = 8; 1291eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1292084a4fccef39ac7abb039511f32380f28d0b67e6Mauro Carvalho Chehab /* Assume DDR2 for now */ 1293a895bf8b1e1ea4c032a8fa8a09475a2ce09fe77aMauro Carvalho Chehab dimm->mtype = MEM_FB_DDR2; 1294eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1295084a4fccef39ac7abb039511f32380f28d0b67e6Mauro Carvalho Chehab /* ask what device type on this row */ 1296084a4fccef39ac7abb039511f32380f28d0b67e6Mauro Carvalho Chehab if (MTR_DRAM_WIDTH(mtr)) 1297a895bf8b1e1ea4c032a8fa8a09475a2ce09fe77aMauro Carvalho Chehab dimm->dtype = DEV_X8; 1298084a4fccef39ac7abb039511f32380f28d0b67e6Mauro Carvalho Chehab else 1299a895bf8b1e1ea4c032a8fa8a09475a2ce09fe77aMauro Carvalho Chehab dimm->dtype = DEV_X4; 1300eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1301a895bf8b1e1ea4c032a8fa8a09475a2ce09fe77aMauro Carvalho Chehab dimm->edac_mode = EDAC_S8ECD8ED; 130264e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab dimm->nr_pages = csrow_megs << 8; 1303084a4fccef39ac7abb039511f32380f28d0b67e6Mauro Carvalho Chehab } 1304eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1305eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen empty = 0; 1306eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 1307eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1308eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return empty; 1309eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 1310eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1311b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 1312eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * i5000_enable_error_reporting 1313eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Turn on the memory reporting features of the hardware 1314eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 1315eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic void i5000_enable_error_reporting(struct mem_ctl_info *mci) 1316eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 1317eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct i5000_pvt *pvt; 1318eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u32 fbd_error_mask; 1319eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1320b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson pvt = mci->pvt_info; 1321eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1322eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Read the FBD Error Mask Register */ 1323eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_dword(pvt->branchmap_werrors, EMASK_FBD, 1324052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson &fbd_error_mask); 1325eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1326eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Enable with a '0' */ 1327eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen fbd_error_mask &= ~(ENABLE_EMASK_ALL); 1328eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1329eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_write_config_dword(pvt->branchmap_werrors, EMASK_FBD, 1330052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson fbd_error_mask); 1331eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 1332eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1333b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 1334702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab * i5000_get_dimm_and_channel_counts(pdev, &nr_csrows, &num_channels) 1335eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 1336eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * ask the device how many channels are present and how many CSROWS 1337eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * as well 1338eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 1339eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic void i5000_get_dimm_and_channel_counts(struct pci_dev *pdev, 1340052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson int *num_dimms_per_channel, 1341052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson int *num_channels) 1342eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 1343eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen u8 value; 1344eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1345eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Need to retrieve just how many channels and dimms per channel are 1346eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * supported on this memory controller 1347eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 1348eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_byte(pdev, MAXDIMMPERCH, &value); 134964e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab *num_dimms_per_channel = (int)value; 1350eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1351eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_read_config_byte(pdev, MAXCH, &value); 1352eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen *num_channels = (int)value; 1353eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 1354eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1355b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 1356eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * i5000_probe1 Probe for ONE instance of device to see if it is 1357eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * present. 1358eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * return: 1359eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 0 for FOUND a device 1360eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * < 0 for error code 1361eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 1362eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic int i5000_probe1(struct pci_dev *pdev, int dev_idx) 1363eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 1364eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct mem_ctl_info *mci; 1365702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab struct edac_mc_layer layers[3]; 1366eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct i5000_pvt *pvt; 1367eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int num_channels; 1368eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int num_dimms_per_channel; 1369eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1370956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(0, "MC: pdev bus %u dev=0x%x fn=0x%x\n", 1371956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches pdev->bus->number, 1372956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn)); 1373eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1374eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* We only are looking for func 0 of the set */ 1375eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (PCI_FUNC(pdev->devfn) != 0) 1376eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return -ENODEV; 1377eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1378eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Ask the devices for the number of CSROWS and CHANNELS so 1379eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * that we can calculate the memory resources, etc 1380eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 1381eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * The Chipset will report what it can handle which will be greater 1382eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * or equal to what the motherboard manufacturer will implement. 1383eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 1384eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * As we don't have a motherboard identification routine to determine 1385eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * actual number of slots/dimms per channel, we thus utilize the 1386eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * resource as specified by the chipset. Thus, we might have 1387eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * have more DIMMs per channel than actually on the mobo, but this 138825985edcedea6396277003854657b5f3cb31a628Lucas De Marchi * allows the driver to support up to the chipset max, without 1389eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * some fancy mobo determination. 1390eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 1391eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen i5000_get_dimm_and_channel_counts(pdev, &num_dimms_per_channel, 1392052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson &num_channels); 1393eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1394956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(0, "MC: Number of Branches=2 Channels= %d DIMMS= %d\n", 1395956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches num_channels, num_dimms_per_channel); 1396eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1397eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* allocate a new MC control structure */ 139864e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab 1399702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab layers[0].type = EDAC_MC_LAYER_BRANCH; 140064e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab layers[0].size = MAX_BRANCHES; 140164e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab layers[0].is_virt_csrow = false; 1402702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab layers[1].type = EDAC_MC_LAYER_CHANNEL; 140364e1fdaf55d61eb79ae970f78bb00edf6aa696fbMauro Carvalho Chehab layers[1].size = num_channels / MAX_BRANCHES; 1404702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab layers[1].is_virt_csrow = false; 1405702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab layers[2].type = EDAC_MC_LAYER_SLOT; 1406702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab layers[2].size = num_dimms_per_channel; 1407702df64053e440344ccb53035cb6959f17a97151Mauro Carvalho Chehab layers[2].is_virt_csrow = true; 1408ca0907b9e413bb1d1f3ea123b663535b74928846Mauro Carvalho Chehab mci = edac_mc_alloc(0, ARRAY_SIZE(layers), layers, sizeof(*pvt)); 1409eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (mci == NULL) 1410eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return -ENOMEM; 1411eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1412956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(0, "MC: mci = %p\n", mci); 1413eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1414fd687502dc8037aa5a4b84c570ada971106574eeMauro Carvalho Chehab mci->pdev = &pdev->dev; /* record ptr to the generic device */ 1415eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1416b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson pvt = mci->pvt_info; 1417eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pvt->system_address = pdev; /* Record this device in our private */ 1418eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pvt->maxch = num_channels; 1419eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pvt->maxdimmperch = num_dimms_per_channel; 1420eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1421eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* 'get' the pci devices we want to reserve for our use */ 1422eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (i5000_get_devices(mci, dev_idx)) 1423eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen goto fail0; 1424eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1425eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Time to get serious */ 1426eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen i5000_get_mc_regs(mci); /* retrieve the hardware registers */ 1427eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1428eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen mci->mc_idx = 0; 1429eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen mci->mtype_cap = MEM_FLAG_FB_DDR2; 1430eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen mci->edac_ctl_cap = EDAC_FLAG_NONE; 1431eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen mci->edac_cap = EDAC_FLAG_NONE; 1432eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen mci->mod_name = "i5000_edac.c"; 1433eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen mci->mod_ver = I5000_REVISION; 1434eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen mci->ctl_name = i5000_devs[dev_idx].ctl_name; 1435c4192705fec85219086231a1c0fa61e8776e2c3bDave Jiang mci->dev_name = pci_name(pdev); 1436eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen mci->ctl_page_to_phys = NULL; 1437eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1438eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Set the function pointer to an actual operation function */ 1439eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen mci->edac_check = i5000_check_error; 1440eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1441eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* initialize the MC control structure 'csrows' table 1442eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * with the mapping and control information */ 1443eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if (i5000_init_csrows(mci)) { 1444956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(0, "MC: Setting mci->edac_cap to EDAC_FLAG_NONE because i5000_init_csrows() returned nonzero value\n"); 1445eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen mci->edac_cap = EDAC_FLAG_NONE; /* no csrows found */ 1446eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } else { 1447956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(1, "MC: Enable error reporting now\n"); 1448eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen i5000_enable_error_reporting(mci); 1449eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 1450eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1451eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* add this new MC control structure to EDAC's list of MCs */ 1452b8f6f9755248026f21282e25cac49a1af698056cDoug Thompson if (edac_mc_add_mc(mci)) { 1453956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(0, "MC: failed edac_mc_add_mc()\n"); 1454eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* FIXME: perhaps some code should go here that disables error 1455eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * reporting if we just enabled it 1456eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 1457eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen goto fail1; 1458eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen } 1459eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1460eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen i5000_clear_error(mci); 1461eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1462456a2f9552e7849475f4aea1a9aa4c0e54b3dddaDave Jiang /* allocating generic PCI control info */ 1463456a2f9552e7849475f4aea1a9aa4c0e54b3dddaDave Jiang i5000_pci = edac_pci_create_generic_ctl(&pdev->dev, EDAC_MOD_STR); 1464456a2f9552e7849475f4aea1a9aa4c0e54b3dddaDave Jiang if (!i5000_pci) { 1465456a2f9552e7849475f4aea1a9aa4c0e54b3dddaDave Jiang printk(KERN_WARNING 1466456a2f9552e7849475f4aea1a9aa4c0e54b3dddaDave Jiang "%s(): Unable to create PCI control\n", 1467456a2f9552e7849475f4aea1a9aa4c0e54b3dddaDave Jiang __func__); 1468456a2f9552e7849475f4aea1a9aa4c0e54b3dddaDave Jiang printk(KERN_WARNING 1469456a2f9552e7849475f4aea1a9aa4c0e54b3dddaDave Jiang "%s(): PCI error report via EDAC not setup\n", 1470456a2f9552e7849475f4aea1a9aa4c0e54b3dddaDave Jiang __func__); 1471456a2f9552e7849475f4aea1a9aa4c0e54b3dddaDave Jiang } 1472456a2f9552e7849475f4aea1a9aa4c0e54b3dddaDave Jiang 1473eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return 0; 1474eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1475eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* Error exit unwinding stack */ 1476052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompsonfail1: 1477eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1478eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen i5000_put_devices(mci); 1479eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1480052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompsonfail0: 1481eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen edac_mc_free(mci); 1482eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return -ENODEV; 1483eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 1484eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1485b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 1486eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * i5000_init_one constructor for one instance of device 1487eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 1488eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * returns: 1489eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * negative on error 1490eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * count (>= 0) 1491eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 14929b3c6e85c2cfa731cf67d5a8c49f7d8c60ec0b04Greg Kroah-Hartmanstatic int i5000_init_one(struct pci_dev *pdev, const struct pci_device_id *id) 1493eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 1494eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int rc; 1495eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1496956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(0, "MC:\n"); 1497eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1498eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* wake up device */ 1499eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen rc = pci_enable_device(pdev); 150044aa80f005be88fef940fccdd345b313964768f3Kulikov Vasiliy if (rc) 1501eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return rc; 1502eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1503eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* now probe and enable the device */ 1504eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return i5000_probe1(pdev, id->driver_data); 1505eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 1506eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1507b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 1508eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * i5000_remove_one destructor for one instance of device 1509eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 1510eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 15119b3c6e85c2cfa731cf67d5a8c49f7d8c60ec0b04Greg Kroah-Hartmanstatic void i5000_remove_one(struct pci_dev *pdev) 1512eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 1513eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen struct mem_ctl_info *mci; 1514eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1515956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(0, "\n"); 1516eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1517456a2f9552e7849475f4aea1a9aa4c0e54b3dddaDave Jiang if (i5000_pci) 1518456a2f9552e7849475f4aea1a9aa4c0e54b3dddaDave Jiang edac_pci_release_generic_ctl(i5000_pci); 1519456a2f9552e7849475f4aea1a9aa4c0e54b3dddaDave Jiang 1520eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL) 1521eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return; 1522eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1523eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen /* retrieve references to resources, and free those resources */ 1524eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen i5000_put_devices(mci); 1525eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen edac_mc_free(mci); 1526eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 1527eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1528b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 1529eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * pci_device_id table for which devices we are looking for 1530eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 1531eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * The "E500P" device is the first device supported. 1532eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 1533ba935f40979b32924824759111ed95d35469c5faJingoo Hanstatic const struct pci_device_id i5000_pci_tbl[] = { 1534eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_I5000_DEV16), 1535eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen .driver_data = I5000P}, 1536eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1537eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen {0,} /* 0 terminated list. */ 1538eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen}; 1539eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1540eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric WollesenMODULE_DEVICE_TABLE(pci, i5000_pci_tbl); 1541eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1542b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 1543eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * i5000_driver pci_driver structure for this module 1544eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * 1545eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 1546eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic struct pci_driver i5000_driver = { 154757510c2f934a05c53232814761a058399b2ca282Darrick J. Wong .name = KBUILD_BASENAME, 1548eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen .probe = i5000_init_one, 15499b3c6e85c2cfa731cf67d5a8c49f7d8c60ec0b04Greg Kroah-Hartman .remove = i5000_remove_one, 1550eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen .id_table = i5000_pci_tbl, 1551eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen}; 1552eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1553b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 1554eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * i5000_init Module entry function 1555eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Try to initialize this module for its devices 1556eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 1557eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic int __init i5000_init(void) 1558eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 1559eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen int pci_rc; 1560eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1561956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "MC:\n"); 1562eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1563c3c52bce6993c6d37af2c2de9b482a7013d646a7Hitoshi Mitake /* Ensure that the OPSTATE is set correctly for POLL or NMI */ 1564c3c52bce6993c6d37af2c2de9b482a7013d646a7Hitoshi Mitake opstate_init(); 1565c3c52bce6993c6d37af2c2de9b482a7013d646a7Hitoshi Mitake 1566eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_rc = pci_register_driver(&i5000_driver); 1567eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1568eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen return (pci_rc < 0) ? pci_rc : 0; 1569eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 1570eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1571b2ccaecad2b00bf7bc72d5b864425daf43a4080dDouglas Thompson/* 1572eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * i5000_exit() Module exit function 1573eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen * Unregister the driver 1574eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen */ 1575eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenstatic void __exit i5000_exit(void) 1576eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen{ 1577956b9ba156dbfdb9cede2b2927ddf8be2233b3a7Joe Perches edac_dbg(2, "MC:\n"); 1578eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen pci_unregister_driver(&i5000_driver); 1579eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen} 1580eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1581eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenmodule_init(i5000_init); 1582eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesenmodule_exit(i5000_exit); 1583eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen 1584eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric WollesenMODULE_LICENSE("GPL"); 1585eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric WollesenMODULE_AUTHOR 1586eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric Wollesen ("Linux Networx (http://lnxi.com) Doug Thompson <norsk5@xmission.com>"); 1587eb60705ac5a9869b2d078f0b472ea64b9b52b684Eric WollesenMODULE_DESCRIPTION("MC Driver for Intel I5000 memory controllers - " 1588052dfb45ccb5ea354a426b52556bcfee75b9d2f5Douglas Thompson I5000_REVISION); 1589c3c52bce6993c6d37af2c2de9b482a7013d646a7Hitoshi Mitake 1590c0d121720220584bba2876b032e58a076b843fa1Dave Jiangmodule_param(edac_op_state, int, 0444); 1591c0d121720220584bba2876b032e58a076b843fa1Dave JiangMODULE_PARM_DESC(edac_op_state, "EDAC Error Reporting state: 0=Poll,1=NMI"); 1592c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanskimodule_param(misc_messages, int, 0444); 1593c066740739c4251effc349e3beae02ead9049e5bAristeu RozanskiMODULE_PARM_DESC(misc_messages, "Log miscellaneous non fatal messages"); 1594c066740739c4251effc349e3beae02ead9049e5bAristeu Rozanski 1595