1eb60705aSEric Wollesen /* 2eb60705aSEric Wollesen * Intel 5000(P/V/X) class Memory Controllers kernel module 3eb60705aSEric Wollesen * 4eb60705aSEric Wollesen * This file may be distributed under the terms of the 5eb60705aSEric Wollesen * GNU General Public License. 6eb60705aSEric Wollesen * 7eb60705aSEric Wollesen * Written by Douglas Thompson Linux Networx (http://lnxi.com) 8eb60705aSEric Wollesen * norsk5@xmission.com 9eb60705aSEric Wollesen * 10eb60705aSEric Wollesen * This module is based on the following document: 11eb60705aSEric Wollesen * 12eb60705aSEric Wollesen * Intel 5000X Chipset Memory Controller Hub (MCH) - Datasheet 13eb60705aSEric Wollesen * http://developer.intel.com/design/chipsets/datashts/313070.htm 14eb60705aSEric Wollesen * 15eb60705aSEric Wollesen */ 16eb60705aSEric Wollesen 17eb60705aSEric Wollesen #include <linux/module.h> 18eb60705aSEric Wollesen #include <linux/init.h> 19eb60705aSEric Wollesen #include <linux/pci.h> 20eb60705aSEric Wollesen #include <linux/pci_ids.h> 21eb60705aSEric Wollesen #include <linux/slab.h> 22c0d12172SDave Jiang #include <linux/edac.h> 23eb60705aSEric Wollesen #include <asm/mmzone.h> 24eb60705aSEric Wollesen 25eb60705aSEric Wollesen #include "edac_mc.h" 26eb60705aSEric Wollesen 27eb60705aSEric Wollesen /* 28eb60705aSEric Wollesen * Alter this version for the I5000 module when modifications are made 29eb60705aSEric Wollesen */ 30eb60705aSEric Wollesen #define I5000_REVISION " Ver: 2.0.11.devel " __DATE__ 31eb60705aSEric Wollesen 32eb60705aSEric Wollesen #define i5000_printk(level, fmt, arg...) \ 33eb60705aSEric Wollesen edac_printk(level, "i5000", fmt, ##arg) 34eb60705aSEric Wollesen 35eb60705aSEric Wollesen #define i5000_mc_printk(mci, level, fmt, arg...) \ 36eb60705aSEric Wollesen edac_mc_chipset_printk(mci, level, "i5000", fmt, ##arg) 37eb60705aSEric Wollesen 38eb60705aSEric Wollesen #ifndef PCI_DEVICE_ID_INTEL_FBD_0 39eb60705aSEric Wollesen #define PCI_DEVICE_ID_INTEL_FBD_0 0x25F5 40eb60705aSEric Wollesen #endif 41eb60705aSEric Wollesen #ifndef PCI_DEVICE_ID_INTEL_FBD_1 42eb60705aSEric Wollesen #define PCI_DEVICE_ID_INTEL_FBD_1 0x25F6 43eb60705aSEric Wollesen #endif 44eb60705aSEric Wollesen 45eb60705aSEric Wollesen /* Device 16, 46eb60705aSEric Wollesen * Function 0: System Address 47eb60705aSEric Wollesen * Function 1: Memory Branch Map, Control, Errors Register 48eb60705aSEric Wollesen * Function 2: FSB Error Registers 49eb60705aSEric Wollesen * 50eb60705aSEric Wollesen * All 3 functions of Device 16 (0,1,2) share the SAME DID 51eb60705aSEric Wollesen */ 52eb60705aSEric Wollesen #define PCI_DEVICE_ID_INTEL_I5000_DEV16 0x25F0 53eb60705aSEric Wollesen 54eb60705aSEric Wollesen /* OFFSETS for Function 0 */ 55eb60705aSEric Wollesen 56eb60705aSEric Wollesen /* OFFSETS for Function 1 */ 57eb60705aSEric Wollesen #define AMBASE 0x48 58eb60705aSEric Wollesen #define MAXCH 0x56 59eb60705aSEric Wollesen #define MAXDIMMPERCH 0x57 60eb60705aSEric Wollesen #define TOLM 0x6C 61eb60705aSEric Wollesen #define REDMEMB 0x7C 62eb60705aSEric Wollesen #define RED_ECC_LOCATOR(x) ((x) & 0x3FFFF) 63eb60705aSEric Wollesen #define REC_ECC_LOCATOR_EVEN(x) ((x) & 0x001FF) 64eb60705aSEric Wollesen #define REC_ECC_LOCATOR_ODD(x) ((x) & 0x3FE00) 65eb60705aSEric Wollesen #define MIR0 0x80 66eb60705aSEric Wollesen #define MIR1 0x84 67eb60705aSEric Wollesen #define MIR2 0x88 68eb60705aSEric Wollesen #define AMIR0 0x8C 69eb60705aSEric Wollesen #define AMIR1 0x90 70eb60705aSEric Wollesen #define AMIR2 0x94 71eb60705aSEric Wollesen 72eb60705aSEric Wollesen #define FERR_FAT_FBD 0x98 73eb60705aSEric Wollesen #define NERR_FAT_FBD 0x9C 74eb60705aSEric Wollesen #define EXTRACT_FBDCHAN_INDX(x) (((x)>>28) & 0x3) 75eb60705aSEric Wollesen #define FERR_FAT_FBDCHAN 0x30000000 76eb60705aSEric Wollesen #define FERR_FAT_M3ERR 0x00000004 77eb60705aSEric Wollesen #define FERR_FAT_M2ERR 0x00000002 78eb60705aSEric Wollesen #define FERR_FAT_M1ERR 0x00000001 79eb60705aSEric Wollesen #define FERR_FAT_MASK (FERR_FAT_M1ERR | \ 80eb60705aSEric Wollesen FERR_FAT_M2ERR | \ 81eb60705aSEric Wollesen FERR_FAT_M3ERR) 82eb60705aSEric Wollesen 83eb60705aSEric Wollesen #define FERR_NF_FBD 0xA0 84eb60705aSEric Wollesen 85eb60705aSEric Wollesen /* Thermal and SPD or BFD errors */ 86eb60705aSEric Wollesen #define FERR_NF_M28ERR 0x01000000 87eb60705aSEric Wollesen #define FERR_NF_M27ERR 0x00800000 88eb60705aSEric Wollesen #define FERR_NF_M26ERR 0x00400000 89eb60705aSEric Wollesen #define FERR_NF_M25ERR 0x00200000 90eb60705aSEric Wollesen #define FERR_NF_M24ERR 0x00100000 91eb60705aSEric Wollesen #define FERR_NF_M23ERR 0x00080000 92eb60705aSEric Wollesen #define FERR_NF_M22ERR 0x00040000 93eb60705aSEric Wollesen #define FERR_NF_M21ERR 0x00020000 94eb60705aSEric Wollesen 95eb60705aSEric Wollesen /* Correctable errors */ 96eb60705aSEric Wollesen #define FERR_NF_M20ERR 0x00010000 97eb60705aSEric Wollesen #define FERR_NF_M19ERR 0x00008000 98eb60705aSEric Wollesen #define FERR_NF_M18ERR 0x00004000 99eb60705aSEric Wollesen #define FERR_NF_M17ERR 0x00002000 100eb60705aSEric Wollesen 101eb60705aSEric Wollesen /* Non-Retry or redundant Retry errors */ 102eb60705aSEric Wollesen #define FERR_NF_M16ERR 0x00001000 103eb60705aSEric Wollesen #define FERR_NF_M15ERR 0x00000800 104eb60705aSEric Wollesen #define FERR_NF_M14ERR 0x00000400 105eb60705aSEric Wollesen #define FERR_NF_M13ERR 0x00000200 106eb60705aSEric Wollesen 107eb60705aSEric Wollesen /* Uncorrectable errors */ 108eb60705aSEric Wollesen #define FERR_NF_M12ERR 0x00000100 109eb60705aSEric Wollesen #define FERR_NF_M11ERR 0x00000080 110eb60705aSEric Wollesen #define FERR_NF_M10ERR 0x00000040 111eb60705aSEric Wollesen #define FERR_NF_M9ERR 0x00000020 112eb60705aSEric Wollesen #define FERR_NF_M8ERR 0x00000010 113eb60705aSEric Wollesen #define FERR_NF_M7ERR 0x00000008 114eb60705aSEric Wollesen #define FERR_NF_M6ERR 0x00000004 115eb60705aSEric Wollesen #define FERR_NF_M5ERR 0x00000002 116eb60705aSEric Wollesen #define FERR_NF_M4ERR 0x00000001 117eb60705aSEric Wollesen 118eb60705aSEric Wollesen #define FERR_NF_UNCORRECTABLE (FERR_NF_M12ERR | \ 119eb60705aSEric Wollesen FERR_NF_M11ERR | \ 120eb60705aSEric Wollesen FERR_NF_M10ERR | \ 121eb60705aSEric Wollesen FERR_NF_M8ERR | \ 122eb60705aSEric Wollesen FERR_NF_M7ERR | \ 123eb60705aSEric Wollesen FERR_NF_M6ERR | \ 124eb60705aSEric Wollesen FERR_NF_M5ERR | \ 125eb60705aSEric Wollesen FERR_NF_M4ERR) 126eb60705aSEric Wollesen #define FERR_NF_CORRECTABLE (FERR_NF_M20ERR | \ 127eb60705aSEric Wollesen FERR_NF_M19ERR | \ 128eb60705aSEric Wollesen FERR_NF_M18ERR | \ 129eb60705aSEric Wollesen FERR_NF_M17ERR) 130eb60705aSEric Wollesen #define FERR_NF_DIMM_SPARE (FERR_NF_M27ERR | \ 131eb60705aSEric Wollesen FERR_NF_M28ERR) 132eb60705aSEric Wollesen #define FERR_NF_THERMAL (FERR_NF_M26ERR | \ 133eb60705aSEric Wollesen FERR_NF_M25ERR | \ 134eb60705aSEric Wollesen FERR_NF_M24ERR | \ 135eb60705aSEric Wollesen FERR_NF_M23ERR) 136eb60705aSEric Wollesen #define FERR_NF_SPD_PROTOCOL (FERR_NF_M22ERR) 137eb60705aSEric Wollesen #define FERR_NF_NORTH_CRC (FERR_NF_M21ERR) 138eb60705aSEric Wollesen #define FERR_NF_NON_RETRY (FERR_NF_M13ERR | \ 139eb60705aSEric Wollesen FERR_NF_M14ERR | \ 140eb60705aSEric Wollesen FERR_NF_M15ERR) 141eb60705aSEric Wollesen 142eb60705aSEric Wollesen #define NERR_NF_FBD 0xA4 143eb60705aSEric Wollesen #define FERR_NF_MASK (FERR_NF_UNCORRECTABLE | \ 144eb60705aSEric Wollesen FERR_NF_CORRECTABLE | \ 145eb60705aSEric Wollesen FERR_NF_DIMM_SPARE | \ 146eb60705aSEric Wollesen FERR_NF_THERMAL | \ 147eb60705aSEric Wollesen FERR_NF_SPD_PROTOCOL | \ 148eb60705aSEric Wollesen FERR_NF_NORTH_CRC | \ 149eb60705aSEric Wollesen FERR_NF_NON_RETRY) 150eb60705aSEric Wollesen 151eb60705aSEric Wollesen #define EMASK_FBD 0xA8 152eb60705aSEric Wollesen #define EMASK_FBD_M28ERR 0x08000000 153eb60705aSEric Wollesen #define EMASK_FBD_M27ERR 0x04000000 154eb60705aSEric Wollesen #define EMASK_FBD_M26ERR 0x02000000 155eb60705aSEric Wollesen #define EMASK_FBD_M25ERR 0x01000000 156eb60705aSEric Wollesen #define EMASK_FBD_M24ERR 0x00800000 157eb60705aSEric Wollesen #define EMASK_FBD_M23ERR 0x00400000 158eb60705aSEric Wollesen #define EMASK_FBD_M22ERR 0x00200000 159eb60705aSEric Wollesen #define EMASK_FBD_M21ERR 0x00100000 160eb60705aSEric Wollesen #define EMASK_FBD_M20ERR 0x00080000 161eb60705aSEric Wollesen #define EMASK_FBD_M19ERR 0x00040000 162eb60705aSEric Wollesen #define EMASK_FBD_M18ERR 0x00020000 163eb60705aSEric Wollesen #define EMASK_FBD_M17ERR 0x00010000 164eb60705aSEric Wollesen 165eb60705aSEric Wollesen #define EMASK_FBD_M15ERR 0x00004000 166eb60705aSEric Wollesen #define EMASK_FBD_M14ERR 0x00002000 167eb60705aSEric Wollesen #define EMASK_FBD_M13ERR 0x00001000 168eb60705aSEric Wollesen #define EMASK_FBD_M12ERR 0x00000800 169eb60705aSEric Wollesen #define EMASK_FBD_M11ERR 0x00000400 170eb60705aSEric Wollesen #define EMASK_FBD_M10ERR 0x00000200 171eb60705aSEric Wollesen #define EMASK_FBD_M9ERR 0x00000100 172eb60705aSEric Wollesen #define EMASK_FBD_M8ERR 0x00000080 173eb60705aSEric Wollesen #define EMASK_FBD_M7ERR 0x00000040 174eb60705aSEric Wollesen #define EMASK_FBD_M6ERR 0x00000020 175eb60705aSEric Wollesen #define EMASK_FBD_M5ERR 0x00000010 176eb60705aSEric Wollesen #define EMASK_FBD_M4ERR 0x00000008 177eb60705aSEric Wollesen #define EMASK_FBD_M3ERR 0x00000004 178eb60705aSEric Wollesen #define EMASK_FBD_M2ERR 0x00000002 179eb60705aSEric Wollesen #define EMASK_FBD_M1ERR 0x00000001 180eb60705aSEric Wollesen 181eb60705aSEric Wollesen #define ENABLE_EMASK_FBD_FATAL_ERRORS (EMASK_FBD_M1ERR | \ 182eb60705aSEric Wollesen EMASK_FBD_M2ERR | \ 183eb60705aSEric Wollesen EMASK_FBD_M3ERR) 184eb60705aSEric Wollesen 185eb60705aSEric Wollesen #define ENABLE_EMASK_FBD_UNCORRECTABLE (EMASK_FBD_M4ERR | \ 186eb60705aSEric Wollesen EMASK_FBD_M5ERR | \ 187eb60705aSEric Wollesen EMASK_FBD_M6ERR | \ 188eb60705aSEric Wollesen EMASK_FBD_M7ERR | \ 189eb60705aSEric Wollesen EMASK_FBD_M8ERR | \ 190eb60705aSEric Wollesen EMASK_FBD_M9ERR | \ 191eb60705aSEric Wollesen EMASK_FBD_M10ERR | \ 192eb60705aSEric Wollesen EMASK_FBD_M11ERR | \ 193eb60705aSEric Wollesen EMASK_FBD_M12ERR) 194eb60705aSEric Wollesen #define ENABLE_EMASK_FBD_CORRECTABLE (EMASK_FBD_M17ERR | \ 195eb60705aSEric Wollesen EMASK_FBD_M18ERR | \ 196eb60705aSEric Wollesen EMASK_FBD_M19ERR | \ 197eb60705aSEric Wollesen EMASK_FBD_M20ERR) 198eb60705aSEric Wollesen #define ENABLE_EMASK_FBD_DIMM_SPARE (EMASK_FBD_M27ERR | \ 199eb60705aSEric Wollesen EMASK_FBD_M28ERR) 200eb60705aSEric Wollesen #define ENABLE_EMASK_FBD_THERMALS (EMASK_FBD_M26ERR | \ 201eb60705aSEric Wollesen EMASK_FBD_M25ERR | \ 202eb60705aSEric Wollesen EMASK_FBD_M24ERR | \ 203eb60705aSEric Wollesen EMASK_FBD_M23ERR) 204eb60705aSEric Wollesen #define ENABLE_EMASK_FBD_SPD_PROTOCOL (EMASK_FBD_M22ERR) 205eb60705aSEric Wollesen #define ENABLE_EMASK_FBD_NORTH_CRC (EMASK_FBD_M21ERR) 206eb60705aSEric Wollesen #define ENABLE_EMASK_FBD_NON_RETRY (EMASK_FBD_M15ERR | \ 207eb60705aSEric Wollesen EMASK_FBD_M14ERR | \ 208eb60705aSEric Wollesen EMASK_FBD_M13ERR) 209eb60705aSEric Wollesen 210eb60705aSEric Wollesen #define ENABLE_EMASK_ALL (ENABLE_EMASK_FBD_NON_RETRY | \ 211eb60705aSEric Wollesen ENABLE_EMASK_FBD_NORTH_CRC | \ 212eb60705aSEric Wollesen ENABLE_EMASK_FBD_SPD_PROTOCOL | \ 213eb60705aSEric Wollesen ENABLE_EMASK_FBD_THERMALS | \ 214eb60705aSEric Wollesen ENABLE_EMASK_FBD_DIMM_SPARE | \ 215eb60705aSEric Wollesen ENABLE_EMASK_FBD_FATAL_ERRORS | \ 216eb60705aSEric Wollesen ENABLE_EMASK_FBD_CORRECTABLE | \ 217eb60705aSEric Wollesen ENABLE_EMASK_FBD_UNCORRECTABLE) 218eb60705aSEric Wollesen 219eb60705aSEric Wollesen #define ERR0_FBD 0xAC 220eb60705aSEric Wollesen #define ERR1_FBD 0xB0 221eb60705aSEric Wollesen #define ERR2_FBD 0xB4 222eb60705aSEric Wollesen #define MCERR_FBD 0xB8 223eb60705aSEric Wollesen #define NRECMEMA 0xBE 224eb60705aSEric Wollesen #define NREC_BANK(x) (((x)>>12) & 0x7) 225eb60705aSEric Wollesen #define NREC_RDWR(x) (((x)>>11) & 1) 226eb60705aSEric Wollesen #define NREC_RANK(x) (((x)>>8) & 0x7) 227eb60705aSEric Wollesen #define NRECMEMB 0xC0 228eb60705aSEric Wollesen #define NREC_CAS(x) (((x)>>16) & 0xFFFFFF) 229eb60705aSEric Wollesen #define NREC_RAS(x) ((x) & 0x7FFF) 230eb60705aSEric Wollesen #define NRECFGLOG 0xC4 231eb60705aSEric Wollesen #define NREEECFBDA 0xC8 232eb60705aSEric Wollesen #define NREEECFBDB 0xCC 233eb60705aSEric Wollesen #define NREEECFBDC 0xD0 234eb60705aSEric Wollesen #define NREEECFBDD 0xD4 235eb60705aSEric Wollesen #define NREEECFBDE 0xD8 236eb60705aSEric Wollesen #define REDMEMA 0xDC 237eb60705aSEric Wollesen #define RECMEMA 0xE2 238eb60705aSEric Wollesen #define REC_BANK(x) (((x)>>12) & 0x7) 239eb60705aSEric Wollesen #define REC_RDWR(x) (((x)>>11) & 1) 240eb60705aSEric Wollesen #define REC_RANK(x) (((x)>>8) & 0x7) 241eb60705aSEric Wollesen #define RECMEMB 0xE4 242eb60705aSEric Wollesen #define REC_CAS(x) (((x)>>16) & 0xFFFFFF) 243eb60705aSEric Wollesen #define REC_RAS(x) ((x) & 0x7FFF) 244eb60705aSEric Wollesen #define RECFGLOG 0xE8 245eb60705aSEric Wollesen #define RECFBDA 0xEC 246eb60705aSEric Wollesen #define RECFBDB 0xF0 247eb60705aSEric Wollesen #define RECFBDC 0xF4 248eb60705aSEric Wollesen #define RECFBDD 0xF8 249eb60705aSEric Wollesen #define RECFBDE 0xFC 250eb60705aSEric Wollesen 251eb60705aSEric Wollesen /* OFFSETS for Function 2 */ 252eb60705aSEric Wollesen 253eb60705aSEric Wollesen /* 254eb60705aSEric Wollesen * Device 21, 255eb60705aSEric Wollesen * Function 0: Memory Map Branch 0 256eb60705aSEric Wollesen * 257eb60705aSEric Wollesen * Device 22, 258eb60705aSEric Wollesen * Function 0: Memory Map Branch 1 259eb60705aSEric Wollesen */ 260eb60705aSEric Wollesen #define PCI_DEVICE_ID_I5000_BRANCH_0 0x25F5 261eb60705aSEric Wollesen #define PCI_DEVICE_ID_I5000_BRANCH_1 0x25F6 262eb60705aSEric Wollesen 263eb60705aSEric Wollesen #define AMB_PRESENT_0 0x64 264eb60705aSEric Wollesen #define AMB_PRESENT_1 0x66 265eb60705aSEric Wollesen #define MTR0 0x80 266eb60705aSEric Wollesen #define MTR1 0x84 267eb60705aSEric Wollesen #define MTR2 0x88 268eb60705aSEric Wollesen #define MTR3 0x8C 269eb60705aSEric Wollesen 270eb60705aSEric Wollesen #define NUM_MTRS 4 271eb60705aSEric Wollesen #define CHANNELS_PER_BRANCH (2) 272eb60705aSEric Wollesen 273eb60705aSEric Wollesen /* Defines to extract the vaious fields from the 274eb60705aSEric Wollesen * MTRx - Memory Technology Registers 275eb60705aSEric Wollesen */ 276eb60705aSEric Wollesen #define MTR_DIMMS_PRESENT(mtr) ((mtr) & (0x1 << 8)) 277eb60705aSEric Wollesen #define MTR_DRAM_WIDTH(mtr) ((((mtr) >> 6) & 0x1) ? 8 : 4) 278eb60705aSEric Wollesen #define MTR_DRAM_BANKS(mtr) ((((mtr) >> 5) & 0x1) ? 8 : 4) 279eb60705aSEric Wollesen #define MTR_DRAM_BANKS_ADDR_BITS(mtr) ((MTR_DRAM_BANKS(mtr) == 8) ? 3 : 2) 280eb60705aSEric Wollesen #define MTR_DIMM_RANK(mtr) (((mtr) >> 4) & 0x1) 281eb60705aSEric Wollesen #define MTR_DIMM_RANK_ADDR_BITS(mtr) (MTR_DIM_RANKS(mtr) ? 2 : 1) 282eb60705aSEric Wollesen #define MTR_DIMM_ROWS(mtr) (((mtr) >> 2) & 0x3) 283eb60705aSEric Wollesen #define MTR_DIMM_ROWS_ADDR_BITS(mtr) (MTR_DIMM_ROWS(mtr) + 13) 284eb60705aSEric Wollesen #define MTR_DIMM_COLS(mtr) ((mtr) & 0x3) 285eb60705aSEric Wollesen #define MTR_DIMM_COLS_ADDR_BITS(mtr) (MTR_DIMM_COLS(mtr) + 10) 286eb60705aSEric Wollesen 287eb60705aSEric Wollesen #ifdef CONFIG_EDAC_DEBUG 288eb60705aSEric Wollesen static char *numrow_toString[] = { 289eb60705aSEric Wollesen "8,192 - 13 rows", 290eb60705aSEric Wollesen "16,384 - 14 rows", 291eb60705aSEric Wollesen "32,768 - 15 rows", 292eb60705aSEric Wollesen "reserved" 293eb60705aSEric Wollesen }; 294eb60705aSEric Wollesen 295eb60705aSEric Wollesen static char *numcol_toString[] = { 296eb60705aSEric Wollesen "1,024 - 10 columns", 297eb60705aSEric Wollesen "2,048 - 11 columns", 298eb60705aSEric Wollesen "4,096 - 12 columns", 299eb60705aSEric Wollesen "reserved" 300eb60705aSEric Wollesen }; 301eb60705aSEric Wollesen #endif 302eb60705aSEric Wollesen 303eb60705aSEric Wollesen /* Enumeration of supported devices */ 304eb60705aSEric Wollesen enum i5000_chips { 305eb60705aSEric Wollesen I5000P = 0, 306eb60705aSEric Wollesen I5000V = 1, /* future */ 307eb60705aSEric Wollesen I5000X = 2 /* future */ 308eb60705aSEric Wollesen }; 309eb60705aSEric Wollesen 310eb60705aSEric Wollesen /* Device name and register DID (Device ID) */ 311eb60705aSEric Wollesen struct i5000_dev_info { 312eb60705aSEric Wollesen const char *ctl_name; /* name for this device */ 313eb60705aSEric Wollesen u16 fsb_mapping_errors; /* DID for the branchmap,control */ 314eb60705aSEric Wollesen }; 315eb60705aSEric Wollesen 316eb60705aSEric Wollesen /* Table of devices attributes supported by this driver */ 317eb60705aSEric Wollesen static const struct i5000_dev_info i5000_devs[] = { 318eb60705aSEric Wollesen [I5000P] = { 319eb60705aSEric Wollesen .ctl_name = "I5000", 320eb60705aSEric Wollesen .fsb_mapping_errors = PCI_DEVICE_ID_INTEL_I5000_DEV16, 321eb60705aSEric Wollesen }, 322eb60705aSEric Wollesen }; 323eb60705aSEric Wollesen 324eb60705aSEric Wollesen struct i5000_dimm_info { 325eb60705aSEric Wollesen int megabytes; /* size, 0 means not present */ 326eb60705aSEric Wollesen int dual_rank; 327eb60705aSEric Wollesen }; 328eb60705aSEric Wollesen 329eb60705aSEric Wollesen #define MAX_CHANNELS 6 /* max possible channels */ 330eb60705aSEric Wollesen #define MAX_CSROWS (8*2) /* max possible csrows per channel */ 331eb60705aSEric Wollesen 332eb60705aSEric Wollesen /* driver private data structure */ 333eb60705aSEric Wollesen struct i5000_pvt { 334eb60705aSEric Wollesen struct pci_dev *system_address; /* 16.0 */ 335eb60705aSEric Wollesen struct pci_dev *branchmap_werrors; /* 16.1 */ 336eb60705aSEric Wollesen struct pci_dev *fsb_error_regs; /* 16.2 */ 337eb60705aSEric Wollesen struct pci_dev *branch_0; /* 21.0 */ 338eb60705aSEric Wollesen struct pci_dev *branch_1; /* 22.0 */ 339eb60705aSEric Wollesen 340eb60705aSEric Wollesen int node_id; /* ID of this node */ 341eb60705aSEric Wollesen 342eb60705aSEric Wollesen u16 tolm; /* top of low memory */ 343eb60705aSEric Wollesen u64 ambase; /* AMB BAR */ 344eb60705aSEric Wollesen 345eb60705aSEric Wollesen u16 mir0, mir1, mir2; 346eb60705aSEric Wollesen 347eb60705aSEric Wollesen u16 b0_mtr[NUM_MTRS]; /* Memory Technlogy Reg */ 348eb60705aSEric Wollesen u16 b0_ambpresent0; /* Branch 0, Channel 0 */ 349eb60705aSEric Wollesen u16 b0_ambpresent1; /* Brnach 0, Channel 1 */ 350eb60705aSEric Wollesen 351eb60705aSEric Wollesen u16 b1_mtr[NUM_MTRS]; /* Memory Technlogy Reg */ 352eb60705aSEric Wollesen u16 b1_ambpresent0; /* Branch 1, Channel 8 */ 353eb60705aSEric Wollesen u16 b1_ambpresent1; /* Branch 1, Channel 1 */ 354eb60705aSEric Wollesen 355eb60705aSEric Wollesen /* DIMM infomation matrix, allocating architecture maximums */ 356eb60705aSEric Wollesen struct i5000_dimm_info dimm_info[MAX_CSROWS][MAX_CHANNELS]; 357eb60705aSEric Wollesen 358eb60705aSEric Wollesen /* Actual values for this controller */ 359eb60705aSEric Wollesen int maxch; /* Max channels */ 360eb60705aSEric Wollesen int maxdimmperch; /* Max DIMMs per channel */ 361eb60705aSEric Wollesen }; 362eb60705aSEric Wollesen 363eb60705aSEric Wollesen /* I5000 MCH error information retrieved from Hardware */ 364eb60705aSEric Wollesen struct i5000_error_info { 365eb60705aSEric Wollesen 366eb60705aSEric Wollesen /* These registers are always read from the MC */ 367eb60705aSEric Wollesen u32 ferr_fat_fbd; /* First Errors Fatal */ 368eb60705aSEric Wollesen u32 nerr_fat_fbd; /* Next Errors Fatal */ 369eb60705aSEric Wollesen u32 ferr_nf_fbd; /* First Errors Non-Fatal */ 370eb60705aSEric Wollesen u32 nerr_nf_fbd; /* Next Errors Non-Fatal */ 371eb60705aSEric Wollesen 372eb60705aSEric Wollesen /* These registers are input ONLY if there was a Recoverable Error */ 373eb60705aSEric Wollesen u32 redmemb; /* Recoverable Mem Data Error log B */ 374eb60705aSEric Wollesen u16 recmema; /* Recoverable Mem Error log A */ 375eb60705aSEric Wollesen u32 recmemb; /* Recoverable Mem Error log B */ 376eb60705aSEric Wollesen 377eb60705aSEric Wollesen /* These registers are input ONLY if there was a 378eb60705aSEric Wollesen * Non-Recoverable Error */ 379eb60705aSEric Wollesen u16 nrecmema; /* Non-Recoverable Mem log A */ 380eb60705aSEric Wollesen u16 nrecmemb; /* Non-Recoverable Mem log B */ 381eb60705aSEric Wollesen 382eb60705aSEric Wollesen }; 383eb60705aSEric Wollesen 384eb60705aSEric Wollesen /****************************************************************************** 385eb60705aSEric Wollesen * i5000_get_error_info Retrieve the hardware error information from 386eb60705aSEric Wollesen * the hardware and cache it in the 'info' 387eb60705aSEric Wollesen * structure 388eb60705aSEric Wollesen */ 389eb60705aSEric Wollesen static void i5000_get_error_info(struct mem_ctl_info *mci, 390eb60705aSEric Wollesen struct i5000_error_info * info) 391eb60705aSEric Wollesen { 392eb60705aSEric Wollesen struct i5000_pvt *pvt; 393eb60705aSEric Wollesen u32 value; 394eb60705aSEric Wollesen 395eb60705aSEric Wollesen pvt = (struct i5000_pvt *)mci->pvt_info; 396eb60705aSEric Wollesen 397eb60705aSEric Wollesen /* read in the 1st FATAL error register */ 398eb60705aSEric Wollesen pci_read_config_dword(pvt->branchmap_werrors, FERR_FAT_FBD, &value); 399eb60705aSEric Wollesen 400eb60705aSEric Wollesen /* Mask only the bits that the doc says are valid 401eb60705aSEric Wollesen */ 402eb60705aSEric Wollesen value &= (FERR_FAT_FBDCHAN | FERR_FAT_MASK); 403eb60705aSEric Wollesen 404eb60705aSEric Wollesen /* If there is an error, then read in the */ 405eb60705aSEric Wollesen /* NEXT FATAL error register and the Memory Error Log Register A */ 406eb60705aSEric Wollesen if (value & FERR_FAT_MASK) { 407eb60705aSEric Wollesen info->ferr_fat_fbd = value; 408eb60705aSEric Wollesen 409eb60705aSEric Wollesen /* harvest the various error data we need */ 410eb60705aSEric Wollesen pci_read_config_dword(pvt->branchmap_werrors, 411eb60705aSEric Wollesen NERR_FAT_FBD, &info->nerr_fat_fbd); 412eb60705aSEric Wollesen pci_read_config_word(pvt->branchmap_werrors, 413eb60705aSEric Wollesen NRECMEMA, &info->nrecmema); 414eb60705aSEric Wollesen pci_read_config_word(pvt->branchmap_werrors, 415eb60705aSEric Wollesen NRECMEMB, &info->nrecmemb); 416eb60705aSEric Wollesen 417eb60705aSEric Wollesen /* Clear the error bits, by writing them back */ 418eb60705aSEric Wollesen pci_write_config_dword(pvt->branchmap_werrors, 419eb60705aSEric Wollesen FERR_FAT_FBD, value); 420eb60705aSEric Wollesen } else { 421eb60705aSEric Wollesen info->ferr_fat_fbd = 0; 422eb60705aSEric Wollesen info->nerr_fat_fbd = 0; 423eb60705aSEric Wollesen info->nrecmema = 0; 424eb60705aSEric Wollesen info->nrecmemb = 0; 425eb60705aSEric Wollesen } 426eb60705aSEric Wollesen 427eb60705aSEric Wollesen /* read in the 1st NON-FATAL error register */ 428eb60705aSEric Wollesen pci_read_config_dword(pvt->branchmap_werrors, FERR_NF_FBD, &value); 429eb60705aSEric Wollesen 430eb60705aSEric Wollesen /* If there is an error, then read in the 1st NON-FATAL error 431eb60705aSEric Wollesen * register as well */ 432eb60705aSEric Wollesen if (value & FERR_NF_MASK) { 433eb60705aSEric Wollesen info->ferr_nf_fbd = value; 434eb60705aSEric Wollesen 435eb60705aSEric Wollesen /* harvest the various error data we need */ 436eb60705aSEric Wollesen pci_read_config_dword(pvt->branchmap_werrors, 437eb60705aSEric Wollesen NERR_NF_FBD, &info->nerr_nf_fbd); 438eb60705aSEric Wollesen pci_read_config_word(pvt->branchmap_werrors, 439eb60705aSEric Wollesen RECMEMA, &info->recmema); 440eb60705aSEric Wollesen pci_read_config_dword(pvt->branchmap_werrors, 441eb60705aSEric Wollesen RECMEMB, &info->recmemb); 442eb60705aSEric Wollesen pci_read_config_dword(pvt->branchmap_werrors, 443eb60705aSEric Wollesen REDMEMB, &info->redmemb); 444eb60705aSEric Wollesen 445eb60705aSEric Wollesen /* Clear the error bits, by writing them back */ 446eb60705aSEric Wollesen pci_write_config_dword(pvt->branchmap_werrors, 447eb60705aSEric Wollesen FERR_NF_FBD, value); 448eb60705aSEric Wollesen } else { 449eb60705aSEric Wollesen info->ferr_nf_fbd = 0; 450eb60705aSEric Wollesen info->nerr_nf_fbd = 0; 451eb60705aSEric Wollesen info->recmema = 0; 452eb60705aSEric Wollesen info->recmemb = 0; 453eb60705aSEric Wollesen info->redmemb = 0; 454eb60705aSEric Wollesen } 455eb60705aSEric Wollesen } 456eb60705aSEric Wollesen 457eb60705aSEric Wollesen /****************************************************************************** 458eb60705aSEric Wollesen * i5000_process_fatal_error_info(struct mem_ctl_info *mci, 459eb60705aSEric Wollesen * struct i5000_error_info *info, 460eb60705aSEric Wollesen * int handle_errors); 461eb60705aSEric Wollesen * 462eb60705aSEric Wollesen * handle the Intel FATAL errors, if any 463eb60705aSEric Wollesen */ 464eb60705aSEric Wollesen static void i5000_process_fatal_error_info(struct mem_ctl_info *mci, 465eb60705aSEric Wollesen struct i5000_error_info * info, 466eb60705aSEric Wollesen int handle_errors) 467eb60705aSEric Wollesen { 468eb60705aSEric Wollesen char msg[EDAC_MC_LABEL_LEN + 1 + 90]; 469eb60705aSEric Wollesen u32 allErrors; 470eb60705aSEric Wollesen int branch; 471eb60705aSEric Wollesen int channel; 472eb60705aSEric Wollesen int bank; 473eb60705aSEric Wollesen int rank; 474eb60705aSEric Wollesen int rdwr; 475eb60705aSEric Wollesen int ras, cas; 476eb60705aSEric Wollesen 477eb60705aSEric Wollesen /* mask off the Error bits that are possible */ 478eb60705aSEric Wollesen allErrors = (info->ferr_fat_fbd & FERR_FAT_MASK); 479eb60705aSEric Wollesen if (!allErrors) 480eb60705aSEric Wollesen return; /* if no error, return now */ 481eb60705aSEric Wollesen 482eb60705aSEric Wollesen /* ONLY ONE of the possible error bits will be set, as per the docs */ 483eb60705aSEric Wollesen i5000_mc_printk(mci, KERN_ERR, 484eb60705aSEric Wollesen "FATAL ERRORS Found!!! 1st FATAL Err Reg= 0x%x\n", 485eb60705aSEric Wollesen allErrors); 486eb60705aSEric Wollesen 487eb60705aSEric Wollesen branch = EXTRACT_FBDCHAN_INDX(info->ferr_fat_fbd); 488eb60705aSEric Wollesen channel = branch; 489eb60705aSEric Wollesen 490eb60705aSEric Wollesen /* Use the NON-Recoverable macros to extract data */ 491eb60705aSEric Wollesen bank = NREC_BANK(info->nrecmema); 492eb60705aSEric Wollesen rank = NREC_RANK(info->nrecmema); 493eb60705aSEric Wollesen rdwr = NREC_RDWR(info->nrecmema); 494eb60705aSEric Wollesen ras = NREC_RAS(info->nrecmemb); 495eb60705aSEric Wollesen cas = NREC_CAS(info->nrecmemb); 496eb60705aSEric Wollesen 497eb60705aSEric Wollesen debugf0("\t\tCSROW= %d Channels= %d,%d (Branch= %d " 498eb60705aSEric Wollesen "DRAM Bank= %d rdwr= %s ras= %d cas= %d)\n", 499eb60705aSEric Wollesen rank, channel, channel + 1, branch >> 1, bank, 500eb60705aSEric Wollesen rdwr ? "Write" : "Read", ras, cas); 501eb60705aSEric Wollesen 502eb60705aSEric Wollesen /* Only 1 bit will be on */ 503eb60705aSEric Wollesen if (allErrors & FERR_FAT_M1ERR) { 504eb60705aSEric Wollesen i5000_mc_printk(mci, KERN_ERR, 505eb60705aSEric Wollesen "Alert on non-redundant retry or fast " 506eb60705aSEric Wollesen "reset timeout\n"); 507eb60705aSEric Wollesen 508eb60705aSEric Wollesen } else if (allErrors & FERR_FAT_M2ERR) { 509eb60705aSEric Wollesen i5000_mc_printk(mci, KERN_ERR, 510eb60705aSEric Wollesen "Northbound CRC error on non-redundant " 511eb60705aSEric Wollesen "retry\n"); 512eb60705aSEric Wollesen 513eb60705aSEric Wollesen } else if (allErrors & FERR_FAT_M3ERR) { 514eb60705aSEric Wollesen i5000_mc_printk(mci, KERN_ERR, 515eb60705aSEric Wollesen ">Tmid Thermal event with intelligent " 516eb60705aSEric Wollesen "throttling disabled\n"); 517eb60705aSEric Wollesen } 518eb60705aSEric Wollesen 519eb60705aSEric Wollesen /* Form out message */ 520eb60705aSEric Wollesen snprintf(msg, sizeof(msg), 521eb60705aSEric Wollesen "(Branch=%d DRAM-Bank=%d RDWR=%s RAS=%d CAS=%d " 522eb60705aSEric Wollesen "FATAL Err=0x%x)", 523eb60705aSEric Wollesen branch >> 1, bank, rdwr ? "Write" : "Read", ras, cas, 524eb60705aSEric Wollesen allErrors); 525eb60705aSEric Wollesen 526eb60705aSEric Wollesen /* Call the helper to output message */ 527eb60705aSEric Wollesen edac_mc_handle_fbd_ue(mci, rank, channel, channel + 1, msg); 528eb60705aSEric Wollesen } 529eb60705aSEric Wollesen 530eb60705aSEric Wollesen /****************************************************************************** 531eb60705aSEric Wollesen * i5000_process_fatal_error_info(struct mem_ctl_info *mci, 532eb60705aSEric Wollesen * struct i5000_error_info *info, 533eb60705aSEric Wollesen * int handle_errors); 534eb60705aSEric Wollesen * 535eb60705aSEric Wollesen * handle the Intel NON-FATAL errors, if any 536eb60705aSEric Wollesen */ 537eb60705aSEric Wollesen static void i5000_process_nonfatal_error_info(struct mem_ctl_info *mci, 538eb60705aSEric Wollesen struct i5000_error_info * info, 539eb60705aSEric Wollesen int handle_errors) 540eb60705aSEric Wollesen { 541eb60705aSEric Wollesen char msg[EDAC_MC_LABEL_LEN + 1 + 90]; 542eb60705aSEric Wollesen u32 allErrors; 543eb60705aSEric Wollesen u32 ue_errors; 544eb60705aSEric Wollesen u32 ce_errors; 545eb60705aSEric Wollesen u32 misc_errors; 546eb60705aSEric Wollesen int branch; 547eb60705aSEric Wollesen int channel; 548eb60705aSEric Wollesen int bank; 549eb60705aSEric Wollesen int rank; 550eb60705aSEric Wollesen int rdwr; 551eb60705aSEric Wollesen int ras, cas; 552eb60705aSEric Wollesen 553eb60705aSEric Wollesen /* mask off the Error bits that are possible */ 554eb60705aSEric Wollesen allErrors = (info->ferr_nf_fbd & FERR_NF_MASK); 555eb60705aSEric Wollesen if (!allErrors) 556eb60705aSEric Wollesen return; /* if no error, return now */ 557eb60705aSEric Wollesen 558eb60705aSEric Wollesen /* ONLY ONE of the possible error bits will be set, as per the docs */ 559eb60705aSEric Wollesen i5000_mc_printk(mci, KERN_WARNING, 560eb60705aSEric Wollesen "NON-FATAL ERRORS Found!!! 1st NON-FATAL Err " 561eb60705aSEric Wollesen "Reg= 0x%x\n", allErrors); 562eb60705aSEric Wollesen 563eb60705aSEric Wollesen ue_errors = allErrors & FERR_NF_UNCORRECTABLE; 564eb60705aSEric Wollesen if (ue_errors) { 565eb60705aSEric Wollesen debugf0("\tUncorrected bits= 0x%x\n", ue_errors); 566eb60705aSEric Wollesen 567eb60705aSEric Wollesen branch = EXTRACT_FBDCHAN_INDX(info->ferr_nf_fbd); 568eb60705aSEric Wollesen channel = branch; 569eb60705aSEric Wollesen bank = NREC_BANK(info->nrecmema); 570eb60705aSEric Wollesen rank = NREC_RANK(info->nrecmema); 571eb60705aSEric Wollesen rdwr = NREC_RDWR(info->nrecmema); 572eb60705aSEric Wollesen ras = NREC_RAS(info->nrecmemb); 573eb60705aSEric Wollesen cas = NREC_CAS(info->nrecmemb); 574eb60705aSEric Wollesen 575eb60705aSEric Wollesen debugf0 576eb60705aSEric Wollesen ("\t\tCSROW= %d Channels= %d,%d (Branch= %d " 577eb60705aSEric Wollesen "DRAM Bank= %d rdwr= %s ras= %d cas= %d)\n", 578eb60705aSEric Wollesen rank, channel, channel + 1, branch >> 1, bank, 579eb60705aSEric Wollesen rdwr ? "Write" : "Read", ras, cas); 580eb60705aSEric Wollesen 581eb60705aSEric Wollesen /* Form out message */ 582eb60705aSEric Wollesen snprintf(msg, sizeof(msg), 583eb60705aSEric Wollesen "(Branch=%d DRAM-Bank=%d RDWR=%s RAS=%d " 584eb60705aSEric Wollesen "CAS=%d, UE Err=0x%x)", 585eb60705aSEric Wollesen branch >> 1, bank, rdwr ? "Write" : "Read", ras, cas, 586eb60705aSEric Wollesen ue_errors); 587eb60705aSEric Wollesen 588eb60705aSEric Wollesen /* Call the helper to output message */ 589eb60705aSEric Wollesen edac_mc_handle_fbd_ue(mci, rank, channel, channel + 1, msg); 590eb60705aSEric Wollesen } 591eb60705aSEric Wollesen 592eb60705aSEric Wollesen /* Check correctable errors */ 593eb60705aSEric Wollesen ce_errors = allErrors & FERR_NF_CORRECTABLE; 594eb60705aSEric Wollesen if (ce_errors) { 595eb60705aSEric Wollesen debugf0("\tCorrected bits= 0x%x\n", ce_errors); 596eb60705aSEric Wollesen 597eb60705aSEric Wollesen branch = EXTRACT_FBDCHAN_INDX(info->ferr_nf_fbd); 598eb60705aSEric Wollesen 599eb60705aSEric Wollesen channel = 0; 600eb60705aSEric Wollesen if (REC_ECC_LOCATOR_ODD(info->redmemb)) 601eb60705aSEric Wollesen channel = 1; 602eb60705aSEric Wollesen 603eb60705aSEric Wollesen /* Convert channel to be based from zero, instead of 604eb60705aSEric Wollesen * from branch base of 0 */ 605eb60705aSEric Wollesen channel += branch; 606eb60705aSEric Wollesen 607eb60705aSEric Wollesen bank = REC_BANK(info->recmema); 608eb60705aSEric Wollesen rank = REC_RANK(info->recmema); 609eb60705aSEric Wollesen rdwr = REC_RDWR(info->recmema); 610eb60705aSEric Wollesen ras = REC_RAS(info->recmemb); 611eb60705aSEric Wollesen cas = REC_CAS(info->recmemb); 612eb60705aSEric Wollesen 613eb60705aSEric Wollesen debugf0("\t\tCSROW= %d Channel= %d (Branch %d " 614eb60705aSEric Wollesen "DRAM Bank= %d rdwr= %s ras= %d cas= %d)\n", 615eb60705aSEric Wollesen rank, channel, branch >> 1, bank, 616eb60705aSEric Wollesen rdwr ? "Write" : "Read", ras, cas); 617eb60705aSEric Wollesen 618eb60705aSEric Wollesen /* Form out message */ 619eb60705aSEric Wollesen snprintf(msg, sizeof(msg), 620eb60705aSEric Wollesen "(Branch=%d DRAM-Bank=%d RDWR=%s RAS=%d " 621eb60705aSEric Wollesen "CAS=%d, CE Err=0x%x)", branch >> 1, bank, 622eb60705aSEric Wollesen rdwr ? "Write" : "Read", ras, cas, ce_errors); 623eb60705aSEric Wollesen 624eb60705aSEric Wollesen /* Call the helper to output message */ 625eb60705aSEric Wollesen edac_mc_handle_fbd_ce(mci, rank, channel, msg); 626eb60705aSEric Wollesen } 627eb60705aSEric Wollesen 628eb60705aSEric Wollesen /* See if any of the thermal errors have fired */ 629eb60705aSEric Wollesen misc_errors = allErrors & FERR_NF_THERMAL; 630eb60705aSEric Wollesen if (misc_errors) { 631eb60705aSEric Wollesen i5000_printk(KERN_WARNING, "\tTHERMAL Error, bits= 0x%x\n", 632eb60705aSEric Wollesen misc_errors); 633eb60705aSEric Wollesen } 634eb60705aSEric Wollesen 635eb60705aSEric Wollesen /* See if any of the thermal errors have fired */ 636eb60705aSEric Wollesen misc_errors = allErrors & FERR_NF_NON_RETRY; 637eb60705aSEric Wollesen if (misc_errors) { 638eb60705aSEric Wollesen i5000_printk(KERN_WARNING, "\tNON-Retry Errors, bits= 0x%x\n", 639eb60705aSEric Wollesen misc_errors); 640eb60705aSEric Wollesen } 641eb60705aSEric Wollesen 642eb60705aSEric Wollesen /* See if any of the thermal errors have fired */ 643eb60705aSEric Wollesen misc_errors = allErrors & FERR_NF_NORTH_CRC; 644eb60705aSEric Wollesen if (misc_errors) { 645eb60705aSEric Wollesen i5000_printk(KERN_WARNING, 646eb60705aSEric Wollesen "\tNORTHBOUND CRC Error, bits= 0x%x\n", 647eb60705aSEric Wollesen misc_errors); 648eb60705aSEric Wollesen } 649eb60705aSEric Wollesen 650eb60705aSEric Wollesen /* See if any of the thermal errors have fired */ 651eb60705aSEric Wollesen misc_errors = allErrors & FERR_NF_SPD_PROTOCOL; 652eb60705aSEric Wollesen if (misc_errors) { 653eb60705aSEric Wollesen i5000_printk(KERN_WARNING, 654eb60705aSEric Wollesen "\tSPD Protocol Error, bits= 0x%x\n", 655eb60705aSEric Wollesen misc_errors); 656eb60705aSEric Wollesen } 657eb60705aSEric Wollesen 658eb60705aSEric Wollesen /* See if any of the thermal errors have fired */ 659eb60705aSEric Wollesen misc_errors = allErrors & FERR_NF_DIMM_SPARE; 660eb60705aSEric Wollesen if (misc_errors) { 661eb60705aSEric Wollesen i5000_printk(KERN_WARNING, "\tDIMM-Spare Error, bits= 0x%x\n", 662eb60705aSEric Wollesen misc_errors); 663eb60705aSEric Wollesen } 664eb60705aSEric Wollesen } 665eb60705aSEric Wollesen 666eb60705aSEric Wollesen /****************************************************************************** 667eb60705aSEric Wollesen * i5000_process_error_info Process the error info that is 668eb60705aSEric Wollesen * in the 'info' structure, previously retrieved from hardware 669eb60705aSEric Wollesen */ 670eb60705aSEric Wollesen static void i5000_process_error_info(struct mem_ctl_info *mci, 671eb60705aSEric Wollesen struct i5000_error_info * info, 672eb60705aSEric Wollesen int handle_errors) 673eb60705aSEric Wollesen { 674eb60705aSEric Wollesen /* First handle any fatal errors that occurred */ 675eb60705aSEric Wollesen i5000_process_fatal_error_info(mci, info, handle_errors); 676eb60705aSEric Wollesen 677eb60705aSEric Wollesen /* now handle any non-fatal errors that occurred */ 678eb60705aSEric Wollesen i5000_process_nonfatal_error_info(mci, info, handle_errors); 679eb60705aSEric Wollesen } 680eb60705aSEric Wollesen 681eb60705aSEric Wollesen /****************************************************************************** 682eb60705aSEric Wollesen * i5000_clear_error Retrieve any error from the hardware 683eb60705aSEric Wollesen * but do NOT process that error. 684eb60705aSEric Wollesen * Used for 'clearing' out of previous errors 685eb60705aSEric Wollesen * Called by the Core module. 686eb60705aSEric Wollesen */ 687eb60705aSEric Wollesen static void i5000_clear_error(struct mem_ctl_info *mci) 688eb60705aSEric Wollesen { 689eb60705aSEric Wollesen struct i5000_error_info info; 690eb60705aSEric Wollesen 691eb60705aSEric Wollesen i5000_get_error_info(mci, &info); 692eb60705aSEric Wollesen } 693eb60705aSEric Wollesen 694eb60705aSEric Wollesen /****************************************************************************** 695eb60705aSEric Wollesen * i5000_check_error Retrieve and process errors reported by the 696eb60705aSEric Wollesen * hardware. Called by the Core module. 697eb60705aSEric Wollesen */ 698eb60705aSEric Wollesen static void i5000_check_error(struct mem_ctl_info *mci) 699eb60705aSEric Wollesen { 700eb60705aSEric Wollesen struct i5000_error_info info; 701eb60705aSEric Wollesen debugf4("MC%d: " __FILE__ ": %s()\n", mci->mc_idx, __func__); 702eb60705aSEric Wollesen i5000_get_error_info(mci, &info); 703eb60705aSEric Wollesen i5000_process_error_info(mci, &info, 1); 704eb60705aSEric Wollesen } 705eb60705aSEric Wollesen 706eb60705aSEric Wollesen /****************************************************************************** 707eb60705aSEric Wollesen * i5000_get_devices Find and perform 'get' operation on the MCH's 708eb60705aSEric Wollesen * device/functions we want to reference for this driver 709eb60705aSEric Wollesen * 710eb60705aSEric Wollesen * Need to 'get' device 16 func 1 and func 2 711eb60705aSEric Wollesen */ 712eb60705aSEric Wollesen static int i5000_get_devices(struct mem_ctl_info *mci, int dev_idx) 713eb60705aSEric Wollesen { 714eb60705aSEric Wollesen //const struct i5000_dev_info *i5000_dev = &i5000_devs[dev_idx]; 715eb60705aSEric Wollesen struct i5000_pvt *pvt; 716eb60705aSEric Wollesen struct pci_dev *pdev; 717eb60705aSEric Wollesen 718eb60705aSEric Wollesen pvt = (struct i5000_pvt *)mci->pvt_info; 719eb60705aSEric Wollesen 720eb60705aSEric Wollesen /* Attempt to 'get' the MCH register we want */ 721eb60705aSEric Wollesen pdev = NULL; 722eb60705aSEric Wollesen while (1) { 723eb60705aSEric Wollesen pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 724eb60705aSEric Wollesen PCI_DEVICE_ID_INTEL_I5000_DEV16, pdev); 725eb60705aSEric Wollesen 726eb60705aSEric Wollesen /* End of list, leave */ 727eb60705aSEric Wollesen if (pdev == NULL) { 728eb60705aSEric Wollesen i5000_printk(KERN_ERR, 729eb60705aSEric Wollesen "'system address,Process Bus' " 730eb60705aSEric Wollesen "device not found:" 731eb60705aSEric Wollesen "vendor 0x%x device 0x%x FUNC 1 " 732eb60705aSEric Wollesen "(broken BIOS?)\n", 733eb60705aSEric Wollesen PCI_VENDOR_ID_INTEL, 734eb60705aSEric Wollesen PCI_DEVICE_ID_INTEL_I5000_DEV16); 735eb60705aSEric Wollesen 736eb60705aSEric Wollesen return 1; 737eb60705aSEric Wollesen } 738eb60705aSEric Wollesen 739eb60705aSEric Wollesen /* Scan for device 16 func 1 */ 740eb60705aSEric Wollesen if (PCI_FUNC(pdev->devfn) == 1) 741eb60705aSEric Wollesen break; 742eb60705aSEric Wollesen } 743eb60705aSEric Wollesen 744eb60705aSEric Wollesen pvt->branchmap_werrors = pdev; 745eb60705aSEric Wollesen 746eb60705aSEric Wollesen /* Attempt to 'get' the MCH register we want */ 747eb60705aSEric Wollesen pdev = NULL; 748eb60705aSEric Wollesen while (1) { 749eb60705aSEric Wollesen pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 750eb60705aSEric Wollesen PCI_DEVICE_ID_INTEL_I5000_DEV16, pdev); 751eb60705aSEric Wollesen 752eb60705aSEric Wollesen if (pdev == NULL) { 753eb60705aSEric Wollesen i5000_printk(KERN_ERR, 754eb60705aSEric Wollesen "MC: 'branchmap,control,errors' " 755eb60705aSEric Wollesen "device not found:" 756eb60705aSEric Wollesen "vendor 0x%x device 0x%x Func 2 " 757eb60705aSEric Wollesen "(broken BIOS?)\n", 758eb60705aSEric Wollesen PCI_VENDOR_ID_INTEL, 759eb60705aSEric Wollesen PCI_DEVICE_ID_INTEL_I5000_DEV16); 760eb60705aSEric Wollesen 761eb60705aSEric Wollesen pci_dev_put(pvt->branchmap_werrors); 762eb60705aSEric Wollesen return 1; 763eb60705aSEric Wollesen } 764eb60705aSEric Wollesen 765eb60705aSEric Wollesen /* Scan for device 16 func 1 */ 766eb60705aSEric Wollesen if (PCI_FUNC(pdev->devfn) == 2) 767eb60705aSEric Wollesen break; 768eb60705aSEric Wollesen } 769eb60705aSEric Wollesen 770eb60705aSEric Wollesen pvt->fsb_error_regs = pdev; 771eb60705aSEric Wollesen 772eb60705aSEric Wollesen debugf1("System Address, processor bus- PCI Bus ID: %s %x:%x\n", 773eb60705aSEric Wollesen pci_name(pvt->system_address), 774eb60705aSEric Wollesen pvt->system_address->vendor, pvt->system_address->device); 775eb60705aSEric Wollesen debugf1("Branchmap, control and errors - PCI Bus ID: %s %x:%x\n", 776eb60705aSEric Wollesen pci_name(pvt->branchmap_werrors), 777eb60705aSEric Wollesen pvt->branchmap_werrors->vendor, pvt->branchmap_werrors->device); 778eb60705aSEric Wollesen debugf1("FSB Error Regs - PCI Bus ID: %s %x:%x\n", 779eb60705aSEric Wollesen pci_name(pvt->fsb_error_regs), 780eb60705aSEric Wollesen pvt->fsb_error_regs->vendor, pvt->fsb_error_regs->device); 781eb60705aSEric Wollesen 782eb60705aSEric Wollesen pdev = NULL; 783eb60705aSEric Wollesen pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 784eb60705aSEric Wollesen PCI_DEVICE_ID_I5000_BRANCH_0, pdev); 785eb60705aSEric Wollesen 786eb60705aSEric Wollesen if (pdev == NULL) { 787eb60705aSEric Wollesen i5000_printk(KERN_ERR, 788eb60705aSEric Wollesen "MC: 'BRANCH 0' device not found:" 789eb60705aSEric Wollesen "vendor 0x%x device 0x%x Func 0 (broken BIOS?)\n", 790eb60705aSEric Wollesen PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_I5000_BRANCH_0); 791eb60705aSEric Wollesen 792eb60705aSEric Wollesen pci_dev_put(pvt->branchmap_werrors); 793eb60705aSEric Wollesen pci_dev_put(pvt->fsb_error_regs); 794eb60705aSEric Wollesen return 1; 795eb60705aSEric Wollesen } 796eb60705aSEric Wollesen 797eb60705aSEric Wollesen pvt->branch_0 = pdev; 798eb60705aSEric Wollesen 799eb60705aSEric Wollesen /* If this device claims to have more than 2 channels then 800eb60705aSEric Wollesen * fetch Branch 1's information 801eb60705aSEric Wollesen */ 802eb60705aSEric Wollesen if (pvt->maxch >= CHANNELS_PER_BRANCH) { 803eb60705aSEric Wollesen pdev = NULL; 804eb60705aSEric Wollesen pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 805eb60705aSEric Wollesen PCI_DEVICE_ID_I5000_BRANCH_1, pdev); 806eb60705aSEric Wollesen 807eb60705aSEric Wollesen if (pdev == NULL) { 808eb60705aSEric Wollesen i5000_printk(KERN_ERR, 809eb60705aSEric Wollesen "MC: 'BRANCH 1' device not found:" 810eb60705aSEric Wollesen "vendor 0x%x device 0x%x Func 0 " 811eb60705aSEric Wollesen "(broken BIOS?)\n", 812eb60705aSEric Wollesen PCI_VENDOR_ID_INTEL, 813eb60705aSEric Wollesen PCI_DEVICE_ID_I5000_BRANCH_1); 814eb60705aSEric Wollesen 815eb60705aSEric Wollesen pci_dev_put(pvt->branchmap_werrors); 816eb60705aSEric Wollesen pci_dev_put(pvt->fsb_error_regs); 817eb60705aSEric Wollesen pci_dev_put(pvt->branch_0); 818eb60705aSEric Wollesen return 1; 819eb60705aSEric Wollesen } 820eb60705aSEric Wollesen 821eb60705aSEric Wollesen pvt->branch_1 = pdev; 822eb60705aSEric Wollesen } 823eb60705aSEric Wollesen 824eb60705aSEric Wollesen return 0; 825eb60705aSEric Wollesen } 826eb60705aSEric Wollesen 827eb60705aSEric Wollesen /****************************************************************************** 828eb60705aSEric Wollesen * i5000_put_devices 'put' all the devices that we have 829eb60705aSEric Wollesen * reserved via 'get' 830eb60705aSEric Wollesen */ 831eb60705aSEric Wollesen static void i5000_put_devices(struct mem_ctl_info *mci) 832eb60705aSEric Wollesen { 833eb60705aSEric Wollesen struct i5000_pvt *pvt; 834eb60705aSEric Wollesen 835eb60705aSEric Wollesen pvt = (struct i5000_pvt *)mci->pvt_info; 836eb60705aSEric Wollesen 837eb60705aSEric Wollesen pci_dev_put(pvt->branchmap_werrors); /* FUNC 1 */ 838eb60705aSEric Wollesen pci_dev_put(pvt->fsb_error_regs); /* FUNC 2 */ 839eb60705aSEric Wollesen pci_dev_put(pvt->branch_0); /* DEV 21 */ 840eb60705aSEric Wollesen 841eb60705aSEric Wollesen /* Only if more than 2 channels do we release the second branch */ 842eb60705aSEric Wollesen if (pvt->maxch >= CHANNELS_PER_BRANCH) { 843eb60705aSEric Wollesen pci_dev_put(pvt->branch_1); /* DEV 22 */ 844eb60705aSEric Wollesen } 845eb60705aSEric Wollesen } 846eb60705aSEric Wollesen 847eb60705aSEric Wollesen /****************************************************************************** 848eb60705aSEric Wollesen * determine_amb_resent 849eb60705aSEric Wollesen * 850eb60705aSEric Wollesen * the information is contained in NUM_MTRS different registers 851eb60705aSEric Wollesen * determineing which of the NUM_MTRS requires knowing 852eb60705aSEric Wollesen * which channel is in question 853eb60705aSEric Wollesen * 854eb60705aSEric Wollesen * 2 branches, each with 2 channels 855eb60705aSEric Wollesen * b0_ambpresent0 for channel '0' 856eb60705aSEric Wollesen * b0_ambpresent1 for channel '1' 857eb60705aSEric Wollesen * b1_ambpresent0 for channel '2' 858eb60705aSEric Wollesen * b1_ambpresent1 for channel '3' 859eb60705aSEric Wollesen */ 860eb60705aSEric Wollesen static int determine_amb_present_reg(struct i5000_pvt *pvt, int channel) 861eb60705aSEric Wollesen { 862eb60705aSEric Wollesen int amb_present; 863eb60705aSEric Wollesen 864eb60705aSEric Wollesen if (channel < CHANNELS_PER_BRANCH) { 865eb60705aSEric Wollesen if (channel & 0x1) 866eb60705aSEric Wollesen amb_present = pvt->b0_ambpresent1; 867eb60705aSEric Wollesen else 868eb60705aSEric Wollesen amb_present = pvt->b0_ambpresent0; 869eb60705aSEric Wollesen } else { 870eb60705aSEric Wollesen if (channel & 0x1) 871eb60705aSEric Wollesen amb_present = pvt->b1_ambpresent1; 872eb60705aSEric Wollesen else 873eb60705aSEric Wollesen amb_present = pvt->b1_ambpresent0; 874eb60705aSEric Wollesen } 875eb60705aSEric Wollesen 876eb60705aSEric Wollesen return amb_present; 877eb60705aSEric Wollesen } 878eb60705aSEric Wollesen 879eb60705aSEric Wollesen /****************************************************************************** 880eb60705aSEric Wollesen * determine_mtr(pvt, csrow, channel) 881eb60705aSEric Wollesen * 882eb60705aSEric Wollesen * return the proper MTR register as determine by the csrow and channel desired 883eb60705aSEric Wollesen */ 884eb60705aSEric Wollesen static int determine_mtr(struct i5000_pvt *pvt, int csrow, int channel) 885eb60705aSEric Wollesen { 886eb60705aSEric Wollesen int mtr; 887eb60705aSEric Wollesen 888eb60705aSEric Wollesen if (channel < CHANNELS_PER_BRANCH) 889eb60705aSEric Wollesen mtr = pvt->b0_mtr[csrow >> 1]; 890eb60705aSEric Wollesen else 891eb60705aSEric Wollesen mtr = pvt->b1_mtr[csrow >> 1]; 892eb60705aSEric Wollesen 893eb60705aSEric Wollesen return mtr; 894eb60705aSEric Wollesen } 895eb60705aSEric Wollesen 896eb60705aSEric Wollesen /****************************************************************************** 897eb60705aSEric Wollesen */ 898eb60705aSEric Wollesen static void decode_mtr(int slot_row, u16 mtr) 899eb60705aSEric Wollesen { 900eb60705aSEric Wollesen int ans; 901eb60705aSEric Wollesen 902eb60705aSEric Wollesen ans = MTR_DIMMS_PRESENT(mtr); 903eb60705aSEric Wollesen 904eb60705aSEric Wollesen debugf2("\tMTR%d=0x%x: DIMMs are %s\n", slot_row, mtr, 905eb60705aSEric Wollesen ans ? "Present" : "NOT Present"); 906eb60705aSEric Wollesen if (!ans) 907eb60705aSEric Wollesen return; 908eb60705aSEric Wollesen 909eb60705aSEric Wollesen debugf2("\t\tWIDTH: x%d\n", MTR_DRAM_WIDTH(mtr)); 910eb60705aSEric Wollesen debugf2("\t\tNUMBANK: %d bank(s)\n", MTR_DRAM_BANKS(mtr)); 911eb60705aSEric Wollesen debugf2("\t\tNUMRANK: %s\n", MTR_DIMM_RANK(mtr) ? "double" : "single"); 912eb60705aSEric Wollesen debugf2("\t\tNUMROW: %s\n", numrow_toString[MTR_DIMM_ROWS(mtr)]); 913eb60705aSEric Wollesen debugf2("\t\tNUMCOL: %s\n", numcol_toString[MTR_DIMM_COLS(mtr)]); 914eb60705aSEric Wollesen } 915eb60705aSEric Wollesen 916eb60705aSEric Wollesen static void handle_channel(struct i5000_pvt *pvt, int csrow, int channel, 917eb60705aSEric Wollesen struct i5000_dimm_info *dinfo) 918eb60705aSEric Wollesen { 919eb60705aSEric Wollesen int mtr; 920eb60705aSEric Wollesen int amb_present_reg; 921eb60705aSEric Wollesen int addrBits; 922eb60705aSEric Wollesen 923eb60705aSEric Wollesen mtr = determine_mtr(pvt, csrow, channel); 924eb60705aSEric Wollesen if (MTR_DIMMS_PRESENT(mtr)) { 925eb60705aSEric Wollesen amb_present_reg = determine_amb_present_reg(pvt, channel); 926eb60705aSEric Wollesen 927eb60705aSEric Wollesen /* Determine if there is a DIMM present in this DIMM slot */ 928eb60705aSEric Wollesen if (amb_present_reg & (1 << (csrow >> 1))) { 929eb60705aSEric Wollesen dinfo->dual_rank = MTR_DIMM_RANK(mtr); 930eb60705aSEric Wollesen 931eb60705aSEric Wollesen if (!((dinfo->dual_rank == 0) && 932eb60705aSEric Wollesen ((csrow & 0x1) == 0x1))) { 933eb60705aSEric Wollesen /* Start with the number of bits for a Bank 934eb60705aSEric Wollesen * on the DRAM */ 935eb60705aSEric Wollesen addrBits = MTR_DRAM_BANKS_ADDR_BITS(mtr); 936eb60705aSEric Wollesen /* Add thenumber of ROW bits */ 937eb60705aSEric Wollesen addrBits += MTR_DIMM_ROWS_ADDR_BITS(mtr); 938eb60705aSEric Wollesen /* add the number of COLUMN bits */ 939eb60705aSEric Wollesen addrBits += MTR_DIMM_COLS_ADDR_BITS(mtr); 940eb60705aSEric Wollesen 941eb60705aSEric Wollesen addrBits += 6; /* add 64 bits per DIMM */ 942eb60705aSEric Wollesen addrBits -= 20; /* divide by 2^^20 */ 943eb60705aSEric Wollesen addrBits -= 3; /* 8 bits per bytes */ 944eb60705aSEric Wollesen 945eb60705aSEric Wollesen dinfo->megabytes = 1 << addrBits; 946eb60705aSEric Wollesen } 947eb60705aSEric Wollesen } 948eb60705aSEric Wollesen } 949eb60705aSEric Wollesen } 950eb60705aSEric Wollesen 951eb60705aSEric Wollesen /****************************************************************************** 952eb60705aSEric Wollesen * calculate_dimm_size 953eb60705aSEric Wollesen * 954eb60705aSEric Wollesen * also will output a DIMM matrix map, if debug is enabled, for viewing 955eb60705aSEric Wollesen * how the DIMMs are populated 956eb60705aSEric Wollesen */ 957eb60705aSEric Wollesen static void calculate_dimm_size(struct i5000_pvt *pvt) 958eb60705aSEric Wollesen { 959eb60705aSEric Wollesen struct i5000_dimm_info *dinfo; 960eb60705aSEric Wollesen int csrow, max_csrows; 961eb60705aSEric Wollesen char *p, *mem_buffer; 962eb60705aSEric Wollesen int space, n; 963eb60705aSEric Wollesen int channel; 964eb60705aSEric Wollesen 965eb60705aSEric Wollesen /* ================= Generate some debug output ================= */ 966eb60705aSEric Wollesen space = PAGE_SIZE; 967eb60705aSEric Wollesen mem_buffer = p = kmalloc(space, GFP_KERNEL); 968eb60705aSEric Wollesen if (p == NULL) { 969eb60705aSEric Wollesen i5000_printk(KERN_ERR, "MC: %s:%s() kmalloc() failed\n", 970eb60705aSEric Wollesen __FILE__, __func__); 971eb60705aSEric Wollesen return; 972eb60705aSEric Wollesen } 973eb60705aSEric Wollesen 974eb60705aSEric Wollesen n = snprintf(p, space, "\n"); 975eb60705aSEric Wollesen p += n; 976eb60705aSEric Wollesen space -= n; 977eb60705aSEric Wollesen 978eb60705aSEric Wollesen /* Scan all the actual CSROWS (which is # of DIMMS * 2) 979eb60705aSEric Wollesen * and calculate the information for each DIMM 980eb60705aSEric Wollesen * Start with the highest csrow first, to display it first 981eb60705aSEric Wollesen * and work toward the 0th csrow 982eb60705aSEric Wollesen */ 983eb60705aSEric Wollesen max_csrows = pvt->maxdimmperch * 2; 984eb60705aSEric Wollesen for (csrow = max_csrows - 1; csrow >= 0; csrow--) { 985eb60705aSEric Wollesen 986eb60705aSEric Wollesen /* on an odd csrow, first output a 'boundary' marker, 987eb60705aSEric Wollesen * then reset the message buffer */ 988eb60705aSEric Wollesen if (csrow & 0x1) { 989eb60705aSEric Wollesen n = snprintf(p, space, "---------------------------" 990eb60705aSEric Wollesen "--------------------------------"); 991eb60705aSEric Wollesen p += n; 992eb60705aSEric Wollesen space -= n; 993eb60705aSEric Wollesen debugf2("%s\n", mem_buffer); 994eb60705aSEric Wollesen p = mem_buffer; 995eb60705aSEric Wollesen space = PAGE_SIZE; 996eb60705aSEric Wollesen } 997eb60705aSEric Wollesen n = snprintf(p, space, "csrow %2d ", csrow); 998eb60705aSEric Wollesen p += n; 999eb60705aSEric Wollesen space -= n; 1000eb60705aSEric Wollesen 1001eb60705aSEric Wollesen for (channel = 0; channel < pvt->maxch; channel++) { 1002eb60705aSEric Wollesen dinfo = &pvt->dimm_info[csrow][channel]; 1003eb60705aSEric Wollesen handle_channel(pvt, csrow, channel, dinfo); 1004eb60705aSEric Wollesen n = snprintf(p, space, "%4d MB | ", dinfo->megabytes); 1005eb60705aSEric Wollesen p += n; 1006eb60705aSEric Wollesen space -= n; 1007eb60705aSEric Wollesen } 1008eb60705aSEric Wollesen n = snprintf(p, space, "\n"); 1009eb60705aSEric Wollesen p += n; 1010eb60705aSEric Wollesen space -= n; 1011eb60705aSEric Wollesen } 1012eb60705aSEric Wollesen 1013eb60705aSEric Wollesen /* Output the last bottom 'boundary' marker */ 1014eb60705aSEric Wollesen n = snprintf(p, space, "---------------------------" 1015eb60705aSEric Wollesen "--------------------------------\n"); 1016eb60705aSEric Wollesen p += n; 1017eb60705aSEric Wollesen space -= n; 1018eb60705aSEric Wollesen 1019eb60705aSEric Wollesen /* now output the 'channel' labels */ 1020eb60705aSEric Wollesen n = snprintf(p, space, " "); 1021eb60705aSEric Wollesen p += n; 1022eb60705aSEric Wollesen space -= n; 1023eb60705aSEric Wollesen for (channel = 0; channel < pvt->maxch; channel++) { 1024eb60705aSEric Wollesen n = snprintf(p, space, "channel %d | ", channel); 1025eb60705aSEric Wollesen p += n; 1026eb60705aSEric Wollesen space -= n; 1027eb60705aSEric Wollesen } 1028eb60705aSEric Wollesen n = snprintf(p, space, "\n"); 1029eb60705aSEric Wollesen p += n; 1030eb60705aSEric Wollesen space -= n; 1031eb60705aSEric Wollesen 1032eb60705aSEric Wollesen /* output the last message and free buffer */ 1033eb60705aSEric Wollesen debugf2("%s\n", mem_buffer); 1034eb60705aSEric Wollesen kfree(mem_buffer); 1035eb60705aSEric Wollesen } 1036eb60705aSEric Wollesen 1037eb60705aSEric Wollesen /****************************************************************************** 1038eb60705aSEric Wollesen * i5000_get_mc_regs read in the necessary registers and 1039eb60705aSEric Wollesen * cache locally 1040eb60705aSEric Wollesen * 1041eb60705aSEric Wollesen * Fills in the private data members 1042eb60705aSEric Wollesen */ 1043eb60705aSEric Wollesen static void i5000_get_mc_regs(struct mem_ctl_info *mci) 1044eb60705aSEric Wollesen { 1045eb60705aSEric Wollesen struct i5000_pvt *pvt; 1046eb60705aSEric Wollesen u32 actual_tolm; 1047eb60705aSEric Wollesen u16 limit; 1048eb60705aSEric Wollesen int slot_row; 1049eb60705aSEric Wollesen int maxch; 1050eb60705aSEric Wollesen int maxdimmperch; 1051eb60705aSEric Wollesen int way0, way1; 1052eb60705aSEric Wollesen 1053eb60705aSEric Wollesen pvt = (struct i5000_pvt *)mci->pvt_info; 1054eb60705aSEric Wollesen 1055eb60705aSEric Wollesen pci_read_config_dword(pvt->system_address, AMBASE, 1056eb60705aSEric Wollesen (u32 *) & pvt->ambase); 1057eb60705aSEric Wollesen pci_read_config_dword(pvt->system_address, AMBASE + sizeof(u32), 1058eb60705aSEric Wollesen ((u32 *) & pvt->ambase) + sizeof(u32)); 1059eb60705aSEric Wollesen 1060eb60705aSEric Wollesen maxdimmperch = pvt->maxdimmperch; 1061eb60705aSEric Wollesen maxch = pvt->maxch; 1062eb60705aSEric Wollesen 1063eb60705aSEric Wollesen debugf2("AMBASE= 0x%lx MAXCH= %d MAX-DIMM-Per-CH= %d\n", 1064eb60705aSEric Wollesen (long unsigned int)pvt->ambase, pvt->maxch, pvt->maxdimmperch); 1065eb60705aSEric Wollesen 1066eb60705aSEric Wollesen /* Get the Branch Map regs */ 1067eb60705aSEric Wollesen pci_read_config_word(pvt->branchmap_werrors, TOLM, &pvt->tolm); 1068eb60705aSEric Wollesen pvt->tolm >>= 12; 1069eb60705aSEric Wollesen debugf2("\nTOLM (number of 256M regions) =%u (0x%x)\n", pvt->tolm, 1070eb60705aSEric Wollesen pvt->tolm); 1071eb60705aSEric Wollesen 1072eb60705aSEric Wollesen actual_tolm = pvt->tolm << 28; 1073eb60705aSEric Wollesen debugf2("Actual TOLM byte addr=%u (0x%x)\n", actual_tolm, actual_tolm); 1074eb60705aSEric Wollesen 1075eb60705aSEric Wollesen pci_read_config_word(pvt->branchmap_werrors, MIR0, &pvt->mir0); 1076eb60705aSEric Wollesen pci_read_config_word(pvt->branchmap_werrors, MIR1, &pvt->mir1); 1077eb60705aSEric Wollesen pci_read_config_word(pvt->branchmap_werrors, MIR2, &pvt->mir2); 1078eb60705aSEric Wollesen 1079eb60705aSEric Wollesen /* Get the MIR[0-2] regs */ 1080eb60705aSEric Wollesen limit = (pvt->mir0 >> 4) & 0x0FFF; 1081eb60705aSEric Wollesen way0 = pvt->mir0 & 0x1; 1082eb60705aSEric Wollesen way1 = pvt->mir0 & 0x2; 1083eb60705aSEric Wollesen debugf2("MIR0: limit= 0x%x WAY1= %u WAY0= %x\n", limit, way1, way0); 1084eb60705aSEric Wollesen limit = (pvt->mir1 >> 4) & 0x0FFF; 1085eb60705aSEric Wollesen way0 = pvt->mir1 & 0x1; 1086eb60705aSEric Wollesen way1 = pvt->mir1 & 0x2; 1087eb60705aSEric Wollesen debugf2("MIR1: limit= 0x%x WAY1= %u WAY0= %x\n", limit, way1, way0); 1088eb60705aSEric Wollesen limit = (pvt->mir2 >> 4) & 0x0FFF; 1089eb60705aSEric Wollesen way0 = pvt->mir2 & 0x1; 1090eb60705aSEric Wollesen way1 = pvt->mir2 & 0x2; 1091eb60705aSEric Wollesen debugf2("MIR2: limit= 0x%x WAY1= %u WAY0= %x\n", limit, way1, way0); 1092eb60705aSEric Wollesen 1093eb60705aSEric Wollesen /* Get the MTR[0-3] regs */ 1094eb60705aSEric Wollesen for (slot_row = 0; slot_row < NUM_MTRS; slot_row++) { 1095eb60705aSEric Wollesen int where = MTR0 + (slot_row * sizeof(u32)); 1096eb60705aSEric Wollesen 1097eb60705aSEric Wollesen pci_read_config_word(pvt->branch_0, where, 1098eb60705aSEric Wollesen &pvt->b0_mtr[slot_row]); 1099eb60705aSEric Wollesen 1100eb60705aSEric Wollesen debugf2("MTR%d where=0x%x B0 value=0x%x\n", slot_row, where, 1101eb60705aSEric Wollesen pvt->b0_mtr[slot_row]); 1102eb60705aSEric Wollesen 1103eb60705aSEric Wollesen if (pvt->maxch >= CHANNELS_PER_BRANCH) { 1104eb60705aSEric Wollesen pci_read_config_word(pvt->branch_1, where, 1105eb60705aSEric Wollesen &pvt->b1_mtr[slot_row]); 1106eb60705aSEric Wollesen debugf2("MTR%d where=0x%x B1 value=0x%x\n", slot_row, 1107eb60705aSEric Wollesen where, pvt->b0_mtr[slot_row]); 1108eb60705aSEric Wollesen } else { 1109eb60705aSEric Wollesen pvt->b1_mtr[slot_row] = 0; 1110eb60705aSEric Wollesen } 1111eb60705aSEric Wollesen } 1112eb60705aSEric Wollesen 1113eb60705aSEric Wollesen /* Read and dump branch 0's MTRs */ 1114eb60705aSEric Wollesen debugf2("\nMemory Technology Registers:\n"); 1115eb60705aSEric Wollesen debugf2(" Branch 0:\n"); 1116eb60705aSEric Wollesen for (slot_row = 0; slot_row < NUM_MTRS; slot_row++) { 1117eb60705aSEric Wollesen decode_mtr(slot_row, pvt->b0_mtr[slot_row]); 1118eb60705aSEric Wollesen } 1119eb60705aSEric Wollesen pci_read_config_word(pvt->branch_0, AMB_PRESENT_0, 1120eb60705aSEric Wollesen &pvt->b0_ambpresent0); 1121eb60705aSEric Wollesen debugf2("\t\tAMB-Branch 0-present0 0x%x:\n", pvt->b0_ambpresent0); 1122eb60705aSEric Wollesen pci_read_config_word(pvt->branch_0, AMB_PRESENT_1, 1123eb60705aSEric Wollesen &pvt->b0_ambpresent1); 1124eb60705aSEric Wollesen debugf2("\t\tAMB-Branch 0-present1 0x%x:\n", pvt->b0_ambpresent1); 1125eb60705aSEric Wollesen 1126eb60705aSEric Wollesen /* Only if we have 2 branchs (4 channels) */ 1127eb60705aSEric Wollesen if (pvt->maxch < CHANNELS_PER_BRANCH) { 1128eb60705aSEric Wollesen pvt->b1_ambpresent0 = 0; 1129eb60705aSEric Wollesen pvt->b1_ambpresent1 = 0; 1130eb60705aSEric Wollesen } else { 1131eb60705aSEric Wollesen /* Read and dump branch 1's MTRs */ 1132eb60705aSEric Wollesen debugf2(" Branch 1:\n"); 1133eb60705aSEric Wollesen for (slot_row = 0; slot_row < NUM_MTRS; slot_row++) { 1134eb60705aSEric Wollesen decode_mtr(slot_row, pvt->b1_mtr[slot_row]); 1135eb60705aSEric Wollesen } 1136eb60705aSEric Wollesen pci_read_config_word(pvt->branch_1, AMB_PRESENT_0, 1137eb60705aSEric Wollesen &pvt->b1_ambpresent0); 1138eb60705aSEric Wollesen debugf2("\t\tAMB-Branch 1-present0 0x%x:\n", 1139eb60705aSEric Wollesen pvt->b1_ambpresent0); 1140eb60705aSEric Wollesen pci_read_config_word(pvt->branch_1, AMB_PRESENT_1, 1141eb60705aSEric Wollesen &pvt->b1_ambpresent1); 1142eb60705aSEric Wollesen debugf2("\t\tAMB-Branch 1-present1 0x%x:\n", 1143eb60705aSEric Wollesen pvt->b1_ambpresent1); 1144eb60705aSEric Wollesen } 1145eb60705aSEric Wollesen 1146eb60705aSEric Wollesen /* Go and determine the size of each DIMM and place in an 1147eb60705aSEric Wollesen * orderly matrix */ 1148eb60705aSEric Wollesen calculate_dimm_size(pvt); 1149eb60705aSEric Wollesen } 1150eb60705aSEric Wollesen 1151eb60705aSEric Wollesen /****************************************************************************** 1152eb60705aSEric Wollesen * i5000_init_csrows Initialize the 'csrows' table within 1153eb60705aSEric Wollesen * the mci control structure with the 1154eb60705aSEric Wollesen * addressing of memory. 1155eb60705aSEric Wollesen * 1156eb60705aSEric Wollesen * return: 1157eb60705aSEric Wollesen * 0 success 1158eb60705aSEric Wollesen * 1 no actual memory found on this MC 1159eb60705aSEric Wollesen */ 1160eb60705aSEric Wollesen static int i5000_init_csrows(struct mem_ctl_info *mci) 1161eb60705aSEric Wollesen { 1162eb60705aSEric Wollesen struct i5000_pvt *pvt; 1163eb60705aSEric Wollesen struct csrow_info *p_csrow; 1164eb60705aSEric Wollesen int empty, channel_count; 1165eb60705aSEric Wollesen int max_csrows; 1166eb60705aSEric Wollesen int mtr; 1167eb60705aSEric Wollesen int csrow_megs; 1168eb60705aSEric Wollesen int channel; 1169eb60705aSEric Wollesen int csrow; 1170eb60705aSEric Wollesen 1171eb60705aSEric Wollesen pvt = (struct i5000_pvt *)mci->pvt_info; 1172eb60705aSEric Wollesen 1173eb60705aSEric Wollesen channel_count = pvt->maxch; 1174eb60705aSEric Wollesen max_csrows = pvt->maxdimmperch * 2; 1175eb60705aSEric Wollesen 1176eb60705aSEric Wollesen empty = 1; /* Assume NO memory */ 1177eb60705aSEric Wollesen 1178eb60705aSEric Wollesen for (csrow = 0; csrow < max_csrows; csrow++) { 1179eb60705aSEric Wollesen p_csrow = &mci->csrows[csrow]; 1180eb60705aSEric Wollesen 1181eb60705aSEric Wollesen p_csrow->csrow_idx = csrow; 1182eb60705aSEric Wollesen 1183eb60705aSEric Wollesen /* use branch 0 for the basis */ 1184eb60705aSEric Wollesen mtr = pvt->b0_mtr[csrow >> 1]; 1185eb60705aSEric Wollesen 1186eb60705aSEric Wollesen /* if no DIMMS on this row, continue */ 1187eb60705aSEric Wollesen if (!MTR_DIMMS_PRESENT(mtr)) 1188eb60705aSEric Wollesen continue; 1189eb60705aSEric Wollesen 1190eb60705aSEric Wollesen /* FAKE OUT VALUES, FIXME */ 1191eb60705aSEric Wollesen p_csrow->first_page = 0 + csrow * 20; 1192eb60705aSEric Wollesen p_csrow->last_page = 9 + csrow * 20; 1193eb60705aSEric Wollesen p_csrow->page_mask = 0xFFF; 1194eb60705aSEric Wollesen 1195eb60705aSEric Wollesen p_csrow->grain = 8; 1196eb60705aSEric Wollesen 1197eb60705aSEric Wollesen csrow_megs = 0; 1198eb60705aSEric Wollesen for (channel = 0; channel < pvt->maxch; channel++) { 1199eb60705aSEric Wollesen csrow_megs += pvt->dimm_info[csrow][channel].megabytes; 1200eb60705aSEric Wollesen } 1201eb60705aSEric Wollesen 1202eb60705aSEric Wollesen p_csrow->nr_pages = csrow_megs << 8; 1203eb60705aSEric Wollesen 1204eb60705aSEric Wollesen /* Assume DDR2 for now */ 1205eb60705aSEric Wollesen p_csrow->mtype = MEM_FB_DDR2; 1206eb60705aSEric Wollesen 1207eb60705aSEric Wollesen /* ask what device type on this row */ 1208eb60705aSEric Wollesen if (MTR_DRAM_WIDTH(mtr)) 1209eb60705aSEric Wollesen p_csrow->dtype = DEV_X8; 1210eb60705aSEric Wollesen else 1211eb60705aSEric Wollesen p_csrow->dtype = DEV_X4; 1212eb60705aSEric Wollesen 1213eb60705aSEric Wollesen p_csrow->edac_mode = EDAC_S8ECD8ED; 1214eb60705aSEric Wollesen 1215eb60705aSEric Wollesen empty = 0; 1216eb60705aSEric Wollesen } 1217eb60705aSEric Wollesen 1218eb60705aSEric Wollesen return empty; 1219eb60705aSEric Wollesen } 1220eb60705aSEric Wollesen 1221eb60705aSEric Wollesen /****************************************************************************** 1222eb60705aSEric Wollesen * i5000_enable_error_reporting 1223eb60705aSEric Wollesen * Turn on the memory reporting features of the hardware 1224eb60705aSEric Wollesen */ 1225eb60705aSEric Wollesen static void i5000_enable_error_reporting(struct mem_ctl_info *mci) 1226eb60705aSEric Wollesen { 1227eb60705aSEric Wollesen struct i5000_pvt *pvt; 1228eb60705aSEric Wollesen u32 fbd_error_mask; 1229eb60705aSEric Wollesen 1230eb60705aSEric Wollesen pvt = (struct i5000_pvt *)mci->pvt_info; 1231eb60705aSEric Wollesen 1232eb60705aSEric Wollesen /* Read the FBD Error Mask Register */ 1233eb60705aSEric Wollesen pci_read_config_dword(pvt->branchmap_werrors, EMASK_FBD, 1234eb60705aSEric Wollesen &fbd_error_mask); 1235eb60705aSEric Wollesen 1236eb60705aSEric Wollesen /* Enable with a '0' */ 1237eb60705aSEric Wollesen fbd_error_mask &= ~(ENABLE_EMASK_ALL); 1238eb60705aSEric Wollesen 1239eb60705aSEric Wollesen pci_write_config_dword(pvt->branchmap_werrors, EMASK_FBD, 1240eb60705aSEric Wollesen fbd_error_mask); 1241eb60705aSEric Wollesen } 1242eb60705aSEric Wollesen 1243eb60705aSEric Wollesen /****************************************************************************** 1244eb60705aSEric Wollesen * i5000_get_dimm_and_channel_counts(pdev, &num_csrows, &num_channels) 1245eb60705aSEric Wollesen * 1246eb60705aSEric Wollesen * ask the device how many channels are present and how many CSROWS 1247eb60705aSEric Wollesen * as well 1248eb60705aSEric Wollesen */ 1249eb60705aSEric Wollesen static void i5000_get_dimm_and_channel_counts(struct pci_dev *pdev, 1250eb60705aSEric Wollesen int *num_dimms_per_channel, 1251eb60705aSEric Wollesen int *num_channels) 1252eb60705aSEric Wollesen { 1253eb60705aSEric Wollesen u8 value; 1254eb60705aSEric Wollesen 1255eb60705aSEric Wollesen /* Need to retrieve just how many channels and dimms per channel are 1256eb60705aSEric Wollesen * supported on this memory controller 1257eb60705aSEric Wollesen */ 1258eb60705aSEric Wollesen pci_read_config_byte(pdev, MAXDIMMPERCH, &value); 1259eb60705aSEric Wollesen *num_dimms_per_channel = (int)value *2; 1260eb60705aSEric Wollesen 1261eb60705aSEric Wollesen pci_read_config_byte(pdev, MAXCH, &value); 1262eb60705aSEric Wollesen *num_channels = (int)value; 1263eb60705aSEric Wollesen } 1264eb60705aSEric Wollesen 1265eb60705aSEric Wollesen /****************************************************************************** 1266eb60705aSEric Wollesen * i5000_probe1 Probe for ONE instance of device to see if it is 1267eb60705aSEric Wollesen * present. 1268eb60705aSEric Wollesen * return: 1269eb60705aSEric Wollesen * 0 for FOUND a device 1270eb60705aSEric Wollesen * < 0 for error code 1271eb60705aSEric Wollesen */ 1272eb60705aSEric Wollesen static int i5000_probe1(struct pci_dev *pdev, int dev_idx) 1273eb60705aSEric Wollesen { 1274eb60705aSEric Wollesen struct mem_ctl_info *mci; 1275eb60705aSEric Wollesen struct i5000_pvt *pvt; 1276eb60705aSEric Wollesen int num_channels; 1277eb60705aSEric Wollesen int num_dimms_per_channel; 1278eb60705aSEric Wollesen int num_csrows; 1279eb60705aSEric Wollesen 1280eb60705aSEric Wollesen debugf0("MC: " __FILE__ ": %s(), pdev bus %u dev=0x%x fn=0x%x\n", 1281eb60705aSEric Wollesen __func__, 1282eb60705aSEric Wollesen pdev->bus->number, 1283eb60705aSEric Wollesen PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn)); 1284eb60705aSEric Wollesen 1285eb60705aSEric Wollesen /* We only are looking for func 0 of the set */ 1286eb60705aSEric Wollesen if (PCI_FUNC(pdev->devfn) != 0) 1287eb60705aSEric Wollesen return -ENODEV; 1288eb60705aSEric Wollesen 1289c0d12172SDave Jiang /* make sure error reporting method is sane */ 1290c0d12172SDave Jiang switch(edac_op_state) { 1291c0d12172SDave Jiang case EDAC_OPSTATE_POLL: 1292c0d12172SDave Jiang case EDAC_OPSTATE_NMI: 1293c0d12172SDave Jiang break; 1294c0d12172SDave Jiang default: 1295c0d12172SDave Jiang edac_op_state = EDAC_OPSTATE_POLL; 1296c0d12172SDave Jiang break; 1297c0d12172SDave Jiang } 1298c0d12172SDave Jiang 1299eb60705aSEric Wollesen /* Ask the devices for the number of CSROWS and CHANNELS so 1300eb60705aSEric Wollesen * that we can calculate the memory resources, etc 1301eb60705aSEric Wollesen * 1302eb60705aSEric Wollesen * The Chipset will report what it can handle which will be greater 1303eb60705aSEric Wollesen * or equal to what the motherboard manufacturer will implement. 1304eb60705aSEric Wollesen * 1305eb60705aSEric Wollesen * As we don't have a motherboard identification routine to determine 1306eb60705aSEric Wollesen * actual number of slots/dimms per channel, we thus utilize the 1307eb60705aSEric Wollesen * resource as specified by the chipset. Thus, we might have 1308eb60705aSEric Wollesen * have more DIMMs per channel than actually on the mobo, but this 1309eb60705aSEric Wollesen * allows the driver to support upto the chipset max, without 1310eb60705aSEric Wollesen * some fancy mobo determination. 1311eb60705aSEric Wollesen */ 1312eb60705aSEric Wollesen i5000_get_dimm_and_channel_counts(pdev, &num_dimms_per_channel, 1313eb60705aSEric Wollesen &num_channels); 1314eb60705aSEric Wollesen num_csrows = num_dimms_per_channel * 2; 1315eb60705aSEric Wollesen 1316eb60705aSEric Wollesen debugf0("MC: %s(): Number of - Channels= %d DIMMS= %d CSROWS= %d\n", 1317eb60705aSEric Wollesen __func__, num_channels, num_dimms_per_channel, num_csrows); 1318eb60705aSEric Wollesen 1319eb60705aSEric Wollesen /* allocate a new MC control structure */ 1320eb60705aSEric Wollesen mci = edac_mc_alloc(sizeof(*pvt), num_csrows, num_channels); 1321eb60705aSEric Wollesen 1322eb60705aSEric Wollesen if (mci == NULL) 1323eb60705aSEric Wollesen return -ENOMEM; 1324eb60705aSEric Wollesen 1325eb60705aSEric Wollesen debugf0("MC: " __FILE__ ": %s(): mci = %p\n", __func__, mci); 1326eb60705aSEric Wollesen 1327eb60705aSEric Wollesen mci->dev = &pdev->dev; /* record ptr to the generic device */ 1328eb60705aSEric Wollesen 1329eb60705aSEric Wollesen pvt = (struct i5000_pvt *)mci->pvt_info; 1330eb60705aSEric Wollesen pvt->system_address = pdev; /* Record this device in our private */ 1331eb60705aSEric Wollesen pvt->maxch = num_channels; 1332eb60705aSEric Wollesen pvt->maxdimmperch = num_dimms_per_channel; 1333eb60705aSEric Wollesen 1334eb60705aSEric Wollesen /* 'get' the pci devices we want to reserve for our use */ 1335eb60705aSEric Wollesen if (i5000_get_devices(mci, dev_idx)) 1336eb60705aSEric Wollesen goto fail0; 1337eb60705aSEric Wollesen 1338eb60705aSEric Wollesen /* Time to get serious */ 1339eb60705aSEric Wollesen i5000_get_mc_regs(mci); /* retrieve the hardware registers */ 1340eb60705aSEric Wollesen 1341eb60705aSEric Wollesen mci->mc_idx = 0; 1342eb60705aSEric Wollesen mci->mtype_cap = MEM_FLAG_FB_DDR2; 1343eb60705aSEric Wollesen mci->edac_ctl_cap = EDAC_FLAG_NONE; 1344eb60705aSEric Wollesen mci->edac_cap = EDAC_FLAG_NONE; 1345eb60705aSEric Wollesen mci->mod_name = "i5000_edac.c"; 1346eb60705aSEric Wollesen mci->mod_ver = I5000_REVISION; 1347eb60705aSEric Wollesen mci->ctl_name = i5000_devs[dev_idx].ctl_name; 1348eb60705aSEric Wollesen mci->ctl_page_to_phys = NULL; 1349eb60705aSEric Wollesen 1350eb60705aSEric Wollesen /* Set the function pointer to an actual operation function */ 1351eb60705aSEric Wollesen mci->edac_check = i5000_check_error; 1352eb60705aSEric Wollesen 1353eb60705aSEric Wollesen /* initialize the MC control structure 'csrows' table 1354eb60705aSEric Wollesen * with the mapping and control information */ 1355eb60705aSEric Wollesen if (i5000_init_csrows(mci)) { 1356eb60705aSEric Wollesen debugf0("MC: Setting mci->edac_cap to EDAC_FLAG_NONE\n" 1357eb60705aSEric Wollesen " because i5000_init_csrows() returned nonzero " 1358eb60705aSEric Wollesen "value\n"); 1359eb60705aSEric Wollesen mci->edac_cap = EDAC_FLAG_NONE; /* no csrows found */ 1360eb60705aSEric Wollesen } else { 1361eb60705aSEric Wollesen debugf1("MC: Enable error reporting now\n"); 1362eb60705aSEric Wollesen i5000_enable_error_reporting(mci); 1363eb60705aSEric Wollesen } 1364eb60705aSEric Wollesen 1365eb60705aSEric Wollesen /* add this new MC control structure to EDAC's list of MCs */ 1366eb60705aSEric Wollesen if (edac_mc_add_mc(mci, pvt->node_id)) { 1367eb60705aSEric Wollesen debugf0("MC: " __FILE__ 1368eb60705aSEric Wollesen ": %s(): failed edac_mc_add_mc()\n", __func__); 1369eb60705aSEric Wollesen /* FIXME: perhaps some code should go here that disables error 1370eb60705aSEric Wollesen * reporting if we just enabled it 1371eb60705aSEric Wollesen */ 1372eb60705aSEric Wollesen goto fail1; 1373eb60705aSEric Wollesen } 1374eb60705aSEric Wollesen 1375eb60705aSEric Wollesen i5000_clear_error(mci); 1376eb60705aSEric Wollesen 1377eb60705aSEric Wollesen return 0; 1378eb60705aSEric Wollesen 1379eb60705aSEric Wollesen /* Error exit unwinding stack */ 1380eb60705aSEric Wollesen fail1: 1381eb60705aSEric Wollesen 1382eb60705aSEric Wollesen i5000_put_devices(mci); 1383eb60705aSEric Wollesen 1384eb60705aSEric Wollesen fail0: 1385eb60705aSEric Wollesen edac_mc_free(mci); 1386eb60705aSEric Wollesen return -ENODEV; 1387eb60705aSEric Wollesen } 1388eb60705aSEric Wollesen 1389eb60705aSEric Wollesen /****************************************************************************** 1390eb60705aSEric Wollesen * i5000_init_one constructor for one instance of device 1391eb60705aSEric Wollesen * 1392eb60705aSEric Wollesen * returns: 1393eb60705aSEric Wollesen * negative on error 1394eb60705aSEric Wollesen * count (>= 0) 1395eb60705aSEric Wollesen */ 1396eb60705aSEric Wollesen static int __devinit i5000_init_one(struct pci_dev *pdev, 1397eb60705aSEric Wollesen const struct pci_device_id *id) 1398eb60705aSEric Wollesen { 1399eb60705aSEric Wollesen int rc; 1400eb60705aSEric Wollesen 1401eb60705aSEric Wollesen debugf0("MC: " __FILE__ ": %s()\n", __func__); 1402eb60705aSEric Wollesen 1403eb60705aSEric Wollesen /* wake up device */ 1404eb60705aSEric Wollesen rc = pci_enable_device(pdev); 1405eb60705aSEric Wollesen if (rc == -EIO) 1406eb60705aSEric Wollesen return rc; 1407eb60705aSEric Wollesen 1408eb60705aSEric Wollesen /* now probe and enable the device */ 1409eb60705aSEric Wollesen return i5000_probe1(pdev, id->driver_data); 1410eb60705aSEric Wollesen } 1411eb60705aSEric Wollesen 1412eb60705aSEric Wollesen /************************************************************************** 1413eb60705aSEric Wollesen * i5000_remove_one destructor for one instance of device 1414eb60705aSEric Wollesen * 1415eb60705aSEric Wollesen */ 1416eb60705aSEric Wollesen static void __devexit i5000_remove_one(struct pci_dev *pdev) 1417eb60705aSEric Wollesen { 1418eb60705aSEric Wollesen struct mem_ctl_info *mci; 1419eb60705aSEric Wollesen 1420eb60705aSEric Wollesen debugf0(__FILE__ ": %s()\n", __func__); 1421eb60705aSEric Wollesen 1422eb60705aSEric Wollesen if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL) 1423eb60705aSEric Wollesen return; 1424eb60705aSEric Wollesen 1425eb60705aSEric Wollesen /* retrieve references to resources, and free those resources */ 1426eb60705aSEric Wollesen i5000_put_devices(mci); 1427eb60705aSEric Wollesen 1428eb60705aSEric Wollesen edac_mc_free(mci); 1429eb60705aSEric Wollesen } 1430eb60705aSEric Wollesen 1431eb60705aSEric Wollesen /************************************************************************** 1432eb60705aSEric Wollesen * pci_device_id table for which devices we are looking for 1433eb60705aSEric Wollesen * 1434eb60705aSEric Wollesen * The "E500P" device is the first device supported. 1435eb60705aSEric Wollesen */ 1436eb60705aSEric Wollesen static const struct pci_device_id i5000_pci_tbl[] __devinitdata = { 1437eb60705aSEric Wollesen {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_I5000_DEV16), 1438eb60705aSEric Wollesen .driver_data = I5000P}, 1439eb60705aSEric Wollesen 1440eb60705aSEric Wollesen {0,} /* 0 terminated list. */ 1441eb60705aSEric Wollesen }; 1442eb60705aSEric Wollesen 1443eb60705aSEric Wollesen MODULE_DEVICE_TABLE(pci, i5000_pci_tbl); 1444eb60705aSEric Wollesen 1445eb60705aSEric Wollesen /************************************************************************** 1446eb60705aSEric Wollesen * i5000_driver pci_driver structure for this module 1447eb60705aSEric Wollesen * 1448eb60705aSEric Wollesen */ 1449eb60705aSEric Wollesen static struct pci_driver i5000_driver = { 1450eb60705aSEric Wollesen .name = __stringify(KBUILD_BASENAME), 1451eb60705aSEric Wollesen .probe = i5000_init_one, 1452eb60705aSEric Wollesen .remove = __devexit_p(i5000_remove_one), 1453eb60705aSEric Wollesen .id_table = i5000_pci_tbl, 1454eb60705aSEric Wollesen }; 1455eb60705aSEric Wollesen 1456eb60705aSEric Wollesen /************************************************************************** 1457eb60705aSEric Wollesen * i5000_init Module entry function 1458eb60705aSEric Wollesen * Try to initialize this module for its devices 1459eb60705aSEric Wollesen */ 1460eb60705aSEric Wollesen static int __init i5000_init(void) 1461eb60705aSEric Wollesen { 1462eb60705aSEric Wollesen int pci_rc; 1463eb60705aSEric Wollesen 1464eb60705aSEric Wollesen debugf2("MC: " __FILE__ ": %s()\n", __func__); 1465eb60705aSEric Wollesen 1466eb60705aSEric Wollesen pci_rc = pci_register_driver(&i5000_driver); 1467eb60705aSEric Wollesen 1468eb60705aSEric Wollesen return (pci_rc < 0) ? pci_rc : 0; 1469eb60705aSEric Wollesen } 1470eb60705aSEric Wollesen 1471eb60705aSEric Wollesen /************************************************************************** 1472eb60705aSEric Wollesen * i5000_exit() Module exit function 1473eb60705aSEric Wollesen * Unregister the driver 1474eb60705aSEric Wollesen */ 1475eb60705aSEric Wollesen static void __exit i5000_exit(void) 1476eb60705aSEric Wollesen { 1477eb60705aSEric Wollesen debugf2("MC: " __FILE__ ": %s()\n", __func__); 1478eb60705aSEric Wollesen pci_unregister_driver(&i5000_driver); 1479eb60705aSEric Wollesen } 1480eb60705aSEric Wollesen 1481eb60705aSEric Wollesen module_init(i5000_init); 1482eb60705aSEric Wollesen module_exit(i5000_exit); 1483eb60705aSEric Wollesen 1484eb60705aSEric Wollesen MODULE_LICENSE("GPL"); 1485eb60705aSEric Wollesen MODULE_AUTHOR 1486eb60705aSEric Wollesen ("Linux Networx (http://lnxi.com) Doug Thompson <norsk5@xmission.com>"); 1487eb60705aSEric Wollesen MODULE_DESCRIPTION("MC Driver for Intel I5000 memory controllers - " 1488eb60705aSEric Wollesen I5000_REVISION); 1489c0d12172SDave Jiang module_param(edac_op_state, int, 0444); 1490c0d12172SDave Jiang MODULE_PARM_DESC(edac_op_state, "EDAC Error Reporting state: 0=Poll,1=NMI"); 1491