| /* |
| * inteltool - dump all registers on an Intel CPU + chipset based system. |
| * |
| * Copyright (C) 2008 by coresystems GmbH |
| * written by Stefan Reinauer <stepan@coresystems.de> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include "inteltool.h" |
| |
| int print_rcba(struct pci_dev *sb) |
| { |
| int i, size = 0x4000; |
| volatile uint8_t *rcba; |
| uint32_t rcba_phys; |
| |
| printf("\n============= RCBA ==============\n\n"); |
| |
| switch (sb->device_id) { |
| case PCI_DEVICE_ID_INTEL_ICH6: |
| case PCI_DEVICE_ID_INTEL_ICH7: |
| case PCI_DEVICE_ID_INTEL_ICH7M: |
| case PCI_DEVICE_ID_INTEL_ICH7DH: |
| case PCI_DEVICE_ID_INTEL_ICH7MDH: |
| case PCI_DEVICE_ID_INTEL_ICH8: |
| case PCI_DEVICE_ID_INTEL_ICH8M: |
| case PCI_DEVICE_ID_INTEL_ICH9DH: |
| case PCI_DEVICE_ID_INTEL_ICH9DO: |
| case PCI_DEVICE_ID_INTEL_ICH9R: |
| case PCI_DEVICE_ID_INTEL_ICH9: |
| case PCI_DEVICE_ID_INTEL_ICH9M: |
| case PCI_DEVICE_ID_INTEL_ICH9ME: |
| case PCI_DEVICE_ID_INTEL_ICH10R: |
| case PCI_DEVICE_ID_INTEL_NM10: |
| rcba_phys = pci_read_long(sb, 0xf0) & 0xfffffffe; |
| break; |
| case PCI_DEVICE_ID_INTEL_ICH: |
| case PCI_DEVICE_ID_INTEL_ICH0: |
| case PCI_DEVICE_ID_INTEL_ICH2: |
| case PCI_DEVICE_ID_INTEL_ICH4: |
| case PCI_DEVICE_ID_INTEL_ICH4M: |
| printf("This southbridge does not have RCBA.\n"); |
| return 1; |
| default: |
| printf("Error: Dumping RCBA on this southbridge is not (yet) supported.\n"); |
| return 1; |
| } |
| |
| rcba = map_physical(rcba_phys, size); |
| |
| if (rcba == NULL) { |
| perror("Error mapping RCBA"); |
| exit(1); |
| } |
| |
| printf("RCBA = 0x%08x (MEM)\n\n", rcba_phys); |
| |
| for (i = 0; i < size; i += 4) { |
| if (*(uint32_t *)(rcba + i)) |
| printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(rcba + i)); |
| } |
| |
| unmap_physical((void *)rcba, size); |
| return 0; |
| } |
| |