Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 1 | /* |
| 2 | * inteltool - dump all registers on an Intel CPU + chipset based system. |
| 3 | * |
| 4 | * Copyright (C) 2008 by coresystems GmbH |
| 5 | * written by Stefan Reinauer <stepan@coresystems.de> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; version 2 of the License. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 | */ |
| 20 | |
| 21 | #include <stdio.h> |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 22 | #include "inteltool.h" |
| 23 | |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 24 | static const io_register_t ich7_pm_registers[] = { |
| 25 | { 0x00, 2, "PM1_STS" }, |
| 26 | { 0x02, 2, "PM1_EN" }, |
| 27 | { 0x04, 4, "PM1_CNT" }, |
| 28 | { 0x08, 4, "PM1_TMR" }, |
| 29 | { 0x0c, 4, "RESERVED" }, |
| 30 | { 0x10, 4, "PROC_CNT" }, |
| 31 | #if DANGEROUS_REGISTERS |
| 32 | /* These registers return 0 on read, but reading them may cause |
| 33 | * the system to enter C2/C3/C4 state, which might hang the system. |
| 34 | */ |
| 35 | { 0x14, 1, "LV2 (Mobile/Ultra Mobile)" }, |
| 36 | { 0x15, 1, "LV3 (Mobile/Ultra Mobile)" }, |
| 37 | { 0x16, 1, "LV4 (Mobile/Ultra Mobile)" }, |
| 38 | #endif |
| 39 | { 0x17, 1, "RESERVED" }, |
| 40 | { 0x18, 4, "RESERVED" }, |
| 41 | { 0x1c, 4, "RESERVED" }, |
| 42 | { 0x20, 1, "PM2_CNT (Mobile/Ultra Mobile)" }, |
| 43 | { 0x21, 1, "RESERVED" }, |
| 44 | { 0x22, 2, "RESERVED" }, |
| 45 | { 0x24, 4, "RESERVED" }, |
| 46 | { 0x28, 4, "GPE0_STS" }, |
| 47 | { 0x2C, 4, "GPE0_EN" }, |
| 48 | { 0x30, 4, "SMI_EN" }, |
| 49 | { 0x34, 4, "SMI_STS" }, |
| 50 | { 0x38, 2, "ALT_GP_SMI_EN" }, |
| 51 | { 0x3a, 2, "ALT_GP_SMI_STS" }, |
| 52 | { 0x3c, 4, "RESERVED" }, |
| 53 | { 0x40, 2, "RESERVED" }, |
| 54 | { 0x42, 1, "GPE_CNTL" }, |
| 55 | { 0x43, 1, "RESERVED" }, |
| 56 | { 0x44, 2, "DEVACT_STS" }, |
| 57 | { 0x46, 2, "RESERVED" }, |
| 58 | { 0x48, 4, "RESERVED" }, |
| 59 | { 0x4c, 4, "RESERVED" }, |
| 60 | { 0x50, 1, "SS_CNT (Mobile/Ultra Mobile)" }, |
| 61 | { 0x51, 1, "RESERVED" }, |
| 62 | { 0x52, 2, "RESERVED" }, |
| 63 | { 0x54, 4, "C3_RES (Mobile/Ultra Mobile)" }, |
| 64 | { 0x58, 4, "RESERVED" }, |
| 65 | { 0x5c, 4, "RESERVED" }, |
| 66 | /* Here start the TCO registers */ |
| 67 | { 0x60, 2, "TCO_RLD" }, |
| 68 | { 0x62, 1, "TCO_DAT_IN" }, |
| 69 | { 0x63, 1, "TCO_DAT_OUT" }, |
| 70 | { 0x64, 2, "TCO1_STS" }, |
| 71 | { 0x66, 2, "TCO2_STS" }, |
| 72 | { 0x68, 2, "TCO1_CNT" }, |
| 73 | { 0x6a, 2, "TCO2_CNT" }, |
| 74 | { 0x6c, 2, "TCO_MESSAGE" }, |
| 75 | { 0x6e, 1, "TCO_WDCNT" }, |
| 76 | { 0x6f, 1, "RESERVED" }, |
| 77 | { 0x70, 1, "SW_IRQ_GEN" }, |
| 78 | { 0x71, 1, "RESERVED" }, |
| 79 | { 0x72, 2, "TCO_TMR" }, |
| 80 | { 0x74, 4, "RESERVED" }, |
| 81 | { 0x78, 4, "RESERVED" }, |
| 82 | { 0x7c, 4, "RESERVED" }, |
| 83 | }; |
| 84 | |
| 85 | static const io_register_t ich8_pm_registers[] = { |
| 86 | { 0x00, 2, "PM1_STS" }, |
| 87 | { 0x02, 2, "PM1_EN" }, |
| 88 | { 0x04, 4, "PM1_CNT" }, |
| 89 | { 0x08, 4, "PM1_TMR" }, |
| 90 | { 0x0c, 4, "RESERVED" }, |
| 91 | { 0x10, 4, "PROC_CNT" }, |
| 92 | #if DANGEROUS_REGISTERS |
| 93 | /* These registers return 0 on read, but reading them may cause |
| 94 | * the system to enter Cx states, which might hang the system. |
| 95 | */ |
| 96 | { 0x14, 1, "LV2 (Mobile)" }, |
| 97 | { 0x15, 1, "LV3 (Mobile)" }, |
| 98 | { 0x16, 1, "LV4 (Mobile)" }, |
| 99 | { 0x17, 1, "LV5 (Mobile)" }, |
| 100 | { 0x18, 1, "LV6 (Mobile)" }, |
| 101 | #endif |
| 102 | { 0x19, 1, "RESERVED" }, |
| 103 | { 0x1a, 2, "RESERVED" }, |
| 104 | { 0x1c, 4, "RESERVED" }, |
| 105 | { 0x20, 1, "PM2_CNT (Mobile)" }, |
| 106 | { 0x21, 1, "RESERVED" }, |
| 107 | { 0x22, 2, "RESERVED" }, |
| 108 | { 0x24, 4, "RESERVED" }, |
| 109 | { 0x28, 4, "GPE0_STS" }, |
| 110 | { 0x2C, 4, "GPE0_EN" }, |
| 111 | { 0x30, 4, "SMI_EN" }, |
| 112 | { 0x34, 4, "SMI_STS" }, |
| 113 | { 0x38, 2, "ALT_GP_SMI_EN" }, |
| 114 | { 0x3a, 2, "ALT_GP_SMI_STS" }, |
| 115 | { 0x3c, 4, "RESERVED" }, |
| 116 | { 0x40, 2, "RESERVED" }, |
| 117 | { 0x42, 1, "GPE_CNTL" }, |
| 118 | { 0x43, 1, "RESERVED" }, |
| 119 | { 0x44, 2, "DEVACT_STS" }, |
| 120 | { 0x46, 2, "RESERVED" }, |
| 121 | { 0x48, 4, "RESERVED" }, |
| 122 | { 0x4c, 4, "RESERVED" }, |
| 123 | { 0x50, 1, "SS_CNT (Mobile)" }, |
| 124 | { 0x51, 1, "RESERVED" }, |
| 125 | { 0x52, 2, "RESERVED" }, |
| 126 | { 0x54, 4, "C3_RES (Mobile)" }, |
| 127 | { 0x58, 4, "C5_RES (Mobile)" }, |
| 128 | { 0x5c, 4, "RESERVED" }, |
| 129 | /* Here start the TCO registers */ |
| 130 | { 0x60, 2, "TCO_RLD" }, |
| 131 | { 0x62, 1, "TCO_DAT_IN" }, |
| 132 | { 0x63, 1, "TCO_DAT_OUT" }, |
| 133 | { 0x64, 2, "TCO1_STS" }, |
| 134 | { 0x66, 2, "TCO2_STS" }, |
| 135 | { 0x68, 2, "TCO1_CNT" }, |
| 136 | { 0x6a, 2, "TCO2_CNT" }, |
| 137 | { 0x6c, 2, "TCO_MESSAGE" }, |
| 138 | { 0x6e, 1, "TCO_WDCNT" }, |
| 139 | { 0x6f, 1, "RESERVED" }, |
| 140 | { 0x70, 1, "SW_IRQ_GEN" }, |
| 141 | { 0x71, 1, "RESERVED" }, |
| 142 | { 0x72, 2, "TCO_TMR" }, |
| 143 | { 0x74, 4, "RESERVED" }, |
| 144 | { 0x78, 4, "RESERVED" }, |
| 145 | { 0x7c, 4, "RESERVED" }, |
| 146 | }; |
| 147 | |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 148 | int print_pmbase(struct pci_dev *sb) |
| 149 | { |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 150 | int i, size; |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 151 | uint16_t pmbase; |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 152 | const io_register_t *pm_registers; |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 153 | |
| 154 | printf("\n============= PMBASE ============\n\n"); |
| 155 | |
| 156 | switch (sb->device_id) { |
| 157 | case PCI_DEVICE_ID_INTEL_ICH7: |
| 158 | case PCI_DEVICE_ID_INTEL_ICH7M: |
| 159 | case PCI_DEVICE_ID_INTEL_ICH7DH: |
| 160 | case PCI_DEVICE_ID_INTEL_ICH7MDH: |
| 161 | pmbase = pci_read_word(sb, 0x40) & 0xfffc; |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 162 | pm_registers = ich7_pm_registers; |
| 163 | size = ARRAY_SIZE(ich7_pm_registers); |
| 164 | break; |
| 165 | case PCI_DEVICE_ID_INTEL_ICH8M: |
| 166 | pmbase = pci_read_word(sb, 0x40) & 0xfffc; |
| 167 | pm_registers = ich8_pm_registers; |
| 168 | size = ARRAY_SIZE(ich8_pm_registers); |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 169 | break; |
| 170 | case 0x1234: // Dummy for non-existent functionality |
| 171 | printf("This southbridge does not have PMBASE.\n"); |
| 172 | return 1; |
| 173 | default: |
| 174 | printf("Error: Dumping PMBASE on this southbridge is not (yet) supported.\n"); |
| 175 | return 1; |
| 176 | } |
| 177 | |
| 178 | printf("PMBASE = 0x%04x (IO)\n\n", pmbase); |
| 179 | |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 180 | for (i = 0; i < size; i++) { |
| 181 | switch (pm_registers[i].size) { |
| 182 | case 4: |
| 183 | printf("pmbase+0x%04x: 0x%08x (%s)\n", |
| 184 | pm_registers[i].addr, |
| 185 | inl(pmbase+pm_registers[i].addr), |
| 186 | pm_registers[i].name); |
| 187 | break; |
| 188 | case 2: |
| 189 | printf("pmbase+0x%04x: 0x%04x (%s)\n", |
| 190 | pm_registers[i].addr, |
| 191 | inw(pmbase+pm_registers[i].addr), |
| 192 | pm_registers[i].name); |
| 193 | break; |
| 194 | case 1: |
| 195 | printf("pmbase+0x%04x: 0x%02x (%s)\n", |
| 196 | pm_registers[i].addr, |
| 197 | inb(pmbase+pm_registers[i].addr), |
| 198 | pm_registers[i].name); |
| 199 | break; |
| 200 | } |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 201 | } |
| 202 | |
| 203 | return 0; |
| 204 | } |
| 205 | |