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 | * |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 4 | * Copyright (C) 2008-2010 by coresystems GmbH |
| 5 | * |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 18 | */ |
| 19 | |
| 20 | #include <stdio.h> |
| 21 | #include <stdlib.h> |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 22 | #include "inteltool.h" |
| 23 | |
| 24 | /* |
| 25 | * Egress Port Root Complex MMIO configuration space |
| 26 | */ |
| 27 | int print_epbar(struct pci_dev *nb) |
| 28 | { |
| 29 | int i, size = (4 * 1024); |
| 30 | volatile uint8_t *epbar; |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 31 | uint64_t epbar_phys; |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 32 | |
| 33 | printf("\n============= EPBAR =============\n\n"); |
| 34 | |
| 35 | switch (nb->device_id) { |
Pat Erley | ca3548e | 2010-04-21 06:23:19 +0000 | [diff] [blame] | 36 | case PCI_DEVICE_ID_INTEL_82915: |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 37 | case PCI_DEVICE_ID_INTEL_82945GM: |
Björn Busse | 2d33dc4 | 2010-08-01 15:33:30 +0000 | [diff] [blame] | 38 | case PCI_DEVICE_ID_INTEL_82945GSE: |
Stefan Reinauer | 3d9a12f | 2008-11-02 11:11:40 +0000 | [diff] [blame] | 39 | case PCI_DEVICE_ID_INTEL_82945P: |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 40 | case PCI_DEVICE_ID_INTEL_82975X: |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 41 | epbar_phys = pci_read_long(nb, 0x40) & 0xfffffffe; |
| 42 | break; |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 43 | case PCI_DEVICE_ID_INTEL_PM965: |
Corey Osgood | 23d98c7 | 2010-07-29 19:25:31 +0000 | [diff] [blame] | 44 | case PCI_DEVICE_ID_INTEL_Q965: |
Loïc Grenié | 8429de7 | 2009-11-02 15:01:49 +0000 | [diff] [blame] | 45 | case PCI_DEVICE_ID_INTEL_82Q35: |
| 46 | case PCI_DEVICE_ID_INTEL_82G33: |
| 47 | case PCI_DEVICE_ID_INTEL_82Q33: |
Anton Kochkov | da0b456 | 2010-05-30 12:33:12 +0000 | [diff] [blame] | 48 | case PCI_DEVICE_ID_INTEL_GS45: |
Corey Osgood | 23d98c7 | 2010-07-29 19:25:31 +0000 | [diff] [blame] | 49 | case PCI_DEVICE_ID_INTEL_ATOM_DXXX: |
| 50 | case PCI_DEVICE_ID_INTEL_ATOM_NXXX: |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 51 | epbar_phys = pci_read_long(nb, 0x40) & 0xfffffffe; |
| 52 | epbar_phys |= ((uint64_t)pci_read_long(nb, 0x44)) << 32; |
| 53 | break; |
Stefan Reinauer | b2aedb1 | 2009-08-29 15:45:43 +0000 | [diff] [blame] | 54 | case PCI_DEVICE_ID_INTEL_82810: |
| 55 | case PCI_DEVICE_ID_INTEL_82810DC: |
Joseph Smith | e10757e | 2010-06-16 22:21:19 +0000 | [diff] [blame] | 56 | case PCI_DEVICE_ID_INTEL_82810E_MC: |
Stefan Reinauer | 0484481 | 2010-02-22 11:26:06 +0000 | [diff] [blame] | 57 | case PCI_DEVICE_ID_INTEL_82830M: |
Idwer Vollering | 312fc96 | 2010-12-17 22:34:58 +0000 | [diff] [blame^] | 58 | case PCI_DEVICE_ID_INTEL_82865: |
| 59 | printf("This northbridge does not have EPBAR.\n"); |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 60 | return 1; |
| 61 | default: |
| 62 | printf("Error: Dumping EPBAR on this northbridge is not (yet) supported.\n"); |
| 63 | return 1; |
| 64 | } |
| 65 | |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 66 | epbar = map_physical(epbar_phys, size); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 67 | |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 68 | if (epbar == NULL) { |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 69 | perror("Error mapping EPBAR"); |
| 70 | exit(1); |
| 71 | } |
| 72 | |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 73 | printf("EPBAR = 0x%08llx (MEM)\n\n", epbar_phys); |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 74 | for (i = 0; i < size; i += 4) { |
| 75 | if (*(uint32_t *)(epbar + i)) |
| 76 | printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(epbar+i)); |
| 77 | } |
| 78 | |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 79 | unmap_physical((void *)epbar, size); |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 80 | return 0; |
| 81 | } |
| 82 | |
| 83 | /* |
| 84 | * MCH-ICH Serial Interconnect Ingress Root Complex MMIO configuration space |
| 85 | */ |
| 86 | int print_dmibar(struct pci_dev *nb) |
| 87 | { |
| 88 | int i, size = (4 * 1024); |
| 89 | volatile uint8_t *dmibar; |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 90 | uint64_t dmibar_phys; |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 91 | |
| 92 | printf("\n============= DMIBAR ============\n\n"); |
| 93 | |
| 94 | switch (nb->device_id) { |
Pat Erley | ca3548e | 2010-04-21 06:23:19 +0000 | [diff] [blame] | 95 | case PCI_DEVICE_ID_INTEL_82915: |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 96 | case PCI_DEVICE_ID_INTEL_82945GM: |
Björn Busse | 2d33dc4 | 2010-08-01 15:33:30 +0000 | [diff] [blame] | 97 | case PCI_DEVICE_ID_INTEL_82945GSE: |
Stefan Reinauer | 3d9a12f | 2008-11-02 11:11:40 +0000 | [diff] [blame] | 98 | case PCI_DEVICE_ID_INTEL_82945P: |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 99 | case PCI_DEVICE_ID_INTEL_82975X: |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 100 | dmibar_phys = pci_read_long(nb, 0x4c) & 0xfffffffe; |
| 101 | break; |
Warren Turkal | 5329195 | 2010-09-03 09:32:17 +0000 | [diff] [blame] | 102 | case PCI_DEVICE_ID_INTEL_PM965: |
Corey Osgood | 23d98c7 | 2010-07-29 19:25:31 +0000 | [diff] [blame] | 103 | case PCI_DEVICE_ID_INTEL_Q965: |
Warren Turkal | 5329195 | 2010-09-03 09:32:17 +0000 | [diff] [blame] | 104 | case PCI_DEVICE_ID_INTEL_82Q35: |
| 105 | case PCI_DEVICE_ID_INTEL_82G33: |
| 106 | case PCI_DEVICE_ID_INTEL_82Q33: |
Anton Kochkov | da0b456 | 2010-05-30 12:33:12 +0000 | [diff] [blame] | 107 | case PCI_DEVICE_ID_INTEL_GS45: |
Corey Osgood | 23d98c7 | 2010-07-29 19:25:31 +0000 | [diff] [blame] | 108 | case PCI_DEVICE_ID_INTEL_ATOM_DXXX: |
| 109 | case PCI_DEVICE_ID_INTEL_ATOM_NXXX: |
Warren Turkal | 5329195 | 2010-09-03 09:32:17 +0000 | [diff] [blame] | 110 | dmibar_phys = pci_read_long(nb, 0x68) & 0xfffffffe; |
| 111 | dmibar_phys |= ((uint64_t)pci_read_long(nb, 0x6c)) << 32; |
| 112 | break; |
Stefan Reinauer | b2aedb1 | 2009-08-29 15:45:43 +0000 | [diff] [blame] | 113 | case PCI_DEVICE_ID_INTEL_82810: |
| 114 | case PCI_DEVICE_ID_INTEL_82810DC: |
Joseph Smith | e10757e | 2010-06-16 22:21:19 +0000 | [diff] [blame] | 115 | case PCI_DEVICE_ID_INTEL_82810E_MC: |
Idwer Vollering | 312fc96 | 2010-12-17 22:34:58 +0000 | [diff] [blame^] | 116 | case PCI_DEVICE_ID_INTEL_82865: |
| 117 | printf("This northbridge does not have DMIBAR.\n"); |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 118 | return 1; |
Warren Turkal | 3235eea | 2010-09-03 09:31:13 +0000 | [diff] [blame] | 119 | case PCI_DEVICE_ID_INTEL_X58: |
| 120 | dmibar_phys = pci_read_long(nb, 0x50) & 0xfffff000; |
| 121 | break; |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 122 | default: |
| 123 | printf("Error: Dumping DMIBAR on this northbridge is not (yet) supported.\n"); |
| 124 | return 1; |
| 125 | } |
| 126 | |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 127 | dmibar = map_physical(dmibar_phys, size); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 128 | |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 129 | if (dmibar == NULL) { |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 130 | perror("Error mapping DMIBAR"); |
| 131 | exit(1); |
| 132 | } |
| 133 | |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 134 | printf("DMIBAR = 0x%08llx (MEM)\n\n", dmibar_phys); |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 135 | for (i = 0; i < size; i += 4) { |
| 136 | if (*(uint32_t *)(dmibar + i)) |
| 137 | printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(dmibar+i)); |
| 138 | } |
| 139 | |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 140 | unmap_physical((void *)dmibar, size); |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 141 | return 0; |
| 142 | } |
| 143 | |
| 144 | /* |
| 145 | * PCIe MMIO configuration space |
| 146 | */ |
| 147 | int print_pciexbar(struct pci_dev *nb) |
| 148 | { |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 149 | uint64_t pciexbar_reg; |
| 150 | uint64_t pciexbar_phys; |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 151 | volatile uint8_t *pciexbar; |
| 152 | int max_busses, devbase, i; |
| 153 | int bus, dev, fn; |
| 154 | |
| 155 | printf("========= PCIEXBAR ========\n\n"); |
| 156 | |
| 157 | switch (nb->device_id) { |
Pat Erley | ca3548e | 2010-04-21 06:23:19 +0000 | [diff] [blame] | 158 | case PCI_DEVICE_ID_INTEL_82915: |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 159 | case PCI_DEVICE_ID_INTEL_82945GM: |
Björn Busse | 2d33dc4 | 2010-08-01 15:33:30 +0000 | [diff] [blame] | 160 | case PCI_DEVICE_ID_INTEL_82945GSE: |
Stefan Reinauer | 3d9a12f | 2008-11-02 11:11:40 +0000 | [diff] [blame] | 161 | case PCI_DEVICE_ID_INTEL_82945P: |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 162 | case PCI_DEVICE_ID_INTEL_82975X: |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 163 | pciexbar_reg = pci_read_long(nb, 0x48); |
| 164 | break; |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 165 | case PCI_DEVICE_ID_INTEL_PM965: |
Corey Osgood | 23d98c7 | 2010-07-29 19:25:31 +0000 | [diff] [blame] | 166 | case PCI_DEVICE_ID_INTEL_Q965: |
Loïc Grenié | 8429de7 | 2009-11-02 15:01:49 +0000 | [diff] [blame] | 167 | case PCI_DEVICE_ID_INTEL_82Q35: |
| 168 | case PCI_DEVICE_ID_INTEL_82G33: |
| 169 | case PCI_DEVICE_ID_INTEL_82Q33: |
Anton Kochkov | da0b456 | 2010-05-30 12:33:12 +0000 | [diff] [blame] | 170 | case PCI_DEVICE_ID_INTEL_GS45: |
Corey Osgood | 23d98c7 | 2010-07-29 19:25:31 +0000 | [diff] [blame] | 171 | case PCI_DEVICE_ID_INTEL_ATOM_DXXX: |
| 172 | case PCI_DEVICE_ID_INTEL_ATOM_NXXX: |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 173 | pciexbar_reg = pci_read_long(nb, 0x60); |
| 174 | pciexbar_reg |= ((uint64_t)pci_read_long(nb, 0x64)) << 32; |
| 175 | break; |
Stefan Reinauer | b2aedb1 | 2009-08-29 15:45:43 +0000 | [diff] [blame] | 176 | case PCI_DEVICE_ID_INTEL_82810: |
| 177 | case PCI_DEVICE_ID_INTEL_82810DC: |
Joseph Smith | e10757e | 2010-06-16 22:21:19 +0000 | [diff] [blame] | 178 | case PCI_DEVICE_ID_INTEL_82810E_MC: |
Idwer Vollering | 312fc96 | 2010-12-17 22:34:58 +0000 | [diff] [blame^] | 179 | case PCI_DEVICE_ID_INTEL_82865: |
| 180 | printf("Error: This northbridge does not have PCIEXBAR.\n"); |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 181 | return 1; |
| 182 | default: |
| 183 | printf("Error: Dumping PCIEXBAR on this northbridge is not (yet) supported.\n"); |
| 184 | return 1; |
| 185 | } |
| 186 | |
| 187 | if (!(pciexbar_reg & (1 << 0))) { |
| 188 | printf("PCIEXBAR register is disabled.\n"); |
| 189 | return 0; |
| 190 | } |
| 191 | |
| 192 | switch ((pciexbar_reg >> 1) & 3) { |
| 193 | case 0: // 256MB |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 194 | pciexbar_phys = pciexbar_reg & (0xff << 28); |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 195 | max_busses = 256; |
| 196 | break; |
| 197 | case 1: // 128M |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 198 | pciexbar_phys = pciexbar_reg & (0x1ff << 27); |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 199 | max_busses = 128; |
| 200 | break; |
| 201 | case 2: // 64M |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 202 | pciexbar_phys = pciexbar_reg & (0x3ff << 26); |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 203 | max_busses = 64; |
| 204 | break; |
| 205 | default: // RSVD |
| 206 | printf("Undefined address base. Bailing out.\n"); |
| 207 | return 1; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 208 | } |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 209 | |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 210 | printf("PCIEXBAR: 0x%08llx\n", pciexbar_phys); |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 211 | |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 212 | pciexbar = map_physical(pciexbar_phys, (max_busses * 1024 * 1024)); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 213 | |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 214 | if (pciexbar == NULL) { |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 215 | perror("Error mapping PCIEXBAR"); |
| 216 | exit(1); |
| 217 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 218 | |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 219 | for (bus = 0; bus < max_busses; bus++) { |
| 220 | for (dev = 0; dev < 32; dev++) { |
| 221 | for (fn = 0; fn < 8; fn++) { |
| 222 | devbase = (bus * 1024 * 1024) + (dev * 32 * 1024) + (fn * 4 * 1024); |
| 223 | |
| 224 | if (*(uint16_t *)(pciexbar + devbase) == 0xffff) |
| 225 | continue; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 226 | |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 227 | /* This is a heuristics. Anyone got a better check? */ |
| 228 | if( (*(uint32_t *)(pciexbar + devbase + 256) == 0xffffffff) && |
| 229 | (*(uint32_t *)(pciexbar + devbase + 512) == 0xffffffff) ) { |
| 230 | #if DEBUG |
| 231 | printf("Skipped non-PCIe device %02x:%02x.%01x\n", bus, dev, fn); |
| 232 | #endif |
| 233 | continue; |
| 234 | } |
| 235 | |
| 236 | printf("\nPCIe %02x:%02x.%01x extended config space:", bus, dev, fn); |
| 237 | for (i = 0; i < 4096; i++) { |
| 238 | if((i % 0x10) == 0) |
| 239 | printf("\n%04x:", i); |
| 240 | printf(" %02x", *(pciexbar+devbase+i)); |
| 241 | } |
| 242 | printf("\n"); |
| 243 | } |
| 244 | } |
| 245 | } |
| 246 | |
Stefan Reinauer | 1162f25 | 2008-12-04 15:18:20 +0000 | [diff] [blame] | 247 | unmap_physical((void *)pciexbar, (max_busses * 1024 * 1024)); |
Stefan Reinauer | 2319027 | 2008-08-20 13:41:24 +0000 | [diff] [blame] | 248 | |
| 249 | return 0; |
| 250 | } |