Rudolf Marek | f32325e | 2007-10-30 01:12:20 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the LinuxBIOS project. |
| 3 | * |
| 4 | * Copyright (C) 2007 Rudolf Marek <r.marek@assembler.cz> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License v2 as published by |
| 8 | * the Free Software Foundation. |
| 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. |
Rudolf Marek | f32325e | 2007-10-30 01:12:20 +0000 | [diff] [blame] | 14 | */ |
| 15 | |
| 16 | /* This program will dump the IO/memory/PCI resources from the K8 |
| 17 | * memory controller |
| 18 | */ |
| 19 | |
| 20 | #include <stdio.h> |
| 21 | #include <stdlib.h> |
| 22 | #include <stdint.h> |
| 23 | #include <unistd.h> |
| 24 | #include <sys/types.h> |
| 25 | #include <pci/pci.h> |
| 26 | |
| 27 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) |
| 28 | |
| 29 | static uint8_t dram_bases[] = |
| 30 | { 0x40, 0x48, 0x50, 0x58, 0x60, 0x68, 0x70, 0x78 }; |
| 31 | static uint8_t dram_limits[] = |
| 32 | { 0x44, 0x4C, 0x54, 0x5C, 0x64, 0x6C, 0x74, 0x7C }; |
| 33 | static uint8_t iomem_bases[] = |
| 34 | { 0x80, 0x88, 0x90, 0x98, 0xA0, 0xA8, 0xB0, 0xB8 }; |
| 35 | static uint8_t iomem_limits[] = |
| 36 | { 0x84, 0x8C, 0x94, 0x9C, 0xA4, 0xAC, 0xB4, 0xBC }; |
| 37 | |
| 38 | static uint8_t pciio_bases[] = { 0xC0, 0xC8, 0xD0, 0xD8 }; |
| 39 | static uint8_t pciio_limits[] = { 0xC4, 0xCC, 0xD4, 0xDC }; |
| 40 | |
| 41 | void print_info(struct pci_dev *dev) |
| 42 | { |
| 43 | int i; |
| 44 | uint32_t regb, regl; |
| 45 | |
| 46 | for (i = 0; i < ARRAY_SIZE(dram_bases); i++) { |
| 47 | regb = pci_read_long(dev, dram_bases[i]); |
| 48 | regl = pci_read_long(dev, dram_limits[i]); |
| 49 | |
| 50 | printf |
| 51 | ("DRAM map: #%d 0x%04x000000 - 0x%04xffffff Access: %s/%s" |
| 52 | " IntlvEN:0x%x IntlvSEL:0x%x Dstnode:%d\n", |
| 53 | i, regb >> 16, regl >> 16, regb & 1 ? "R" : "", |
| 54 | regb & 2 ? "W" : "", (regb & 0x700) >> 8, |
| 55 | (regl & 0x700) >> 8, (regl & 0x7)); |
| 56 | } |
| 57 | |
| 58 | |
| 59 | for (i = 0; i < ARRAY_SIZE(iomem_bases); i++) { |
| 60 | regb = pci_read_long(dev, iomem_bases[i]); |
| 61 | regl = pci_read_long(dev, iomem_limits[i]); |
| 62 | |
| 63 | printf |
| 64 | ("MMIO map: #%d 0x%06x0000 - 0x%06xffff Access: %s/%s %s %s" |
| 65 | " %s Dstnode:%d DstLink %d\n", |
| 66 | i, regb >> 8, regl >> 8, regb & 1 ? "R" : "", |
| 67 | regb & 2 ? "W" : "", regb & 4 ? "CPU Dis" : "", |
| 68 | regb & 8 ? "Locked" : "", |
| 69 | regl & 0x80 ? "NonPosted" : "", regl & 0x7, |
| 70 | (regl & 0x30) >> 4); |
| 71 | } |
| 72 | |
| 73 | for (i = 0; i < ARRAY_SIZE(pciio_bases); i++) { |
| 74 | regb = pci_read_long(dev, pciio_bases[i]); |
| 75 | regl = pci_read_long(dev, pciio_limits[i]); |
| 76 | |
| 77 | printf |
| 78 | (" IO map: #%d 0x%03x000 - 0x%03xfff Access: %s/%s %s %s" |
| 79 | " Dstnode:%d DstLink %d\n", |
| 80 | i, (regb & ~0xff000000) >> 12, |
| 81 | (regl & ~0xff000000) >> 12, regb & 1 ? "R" : "", |
| 82 | regb & 2 ? "W" : "", regb & 0x20 ? "ISA" : "", |
| 83 | regb & 0x10 ? "VGA" : "", regl & 0x7, |
| 84 | (regl & 0x30) >> 4); |
| 85 | } |
| 86 | |
| 87 | |
| 88 | } |
| 89 | |
| 90 | int main(void) |
| 91 | { |
| 92 | struct pci_access *pacc; |
| 93 | struct pci_dev *dev; |
| 94 | |
| 95 | if (getuid()) { |
| 96 | fprintf(stderr, "Please run me root, need access to all" |
| 97 | " PCI regs!\n"); |
| 98 | exit(1); |
| 99 | } |
| 100 | |
| 101 | pacc = pci_alloc(); |
| 102 | pci_init(pacc); |
| 103 | pci_scan_bus(pacc); |
| 104 | for (dev = pacc->devices; dev; dev = dev->next) { |
| 105 | pci_fill_info(dev, PCI_FILL_IDENT | PCI_FILL_BASES | |
| 106 | PCI_FILL_CLASS); |
| 107 | if ((dev->vendor_id == 0x1022) /* AMD */ |
| 108 | && (dev->device_id == 0x1101)) { /* Address MAP */ |
| 109 | print_info(dev); |
| 110 | } |
| 111 | } |
| 112 | pci_cleanup(pacc); |
| 113 | return 0; |
| 114 | } |