blob: 438e5b0b115dc7659271d54430d98a7245645e15 [file] [log] [blame]
/*
* 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_ICH7:
case PCI_DEVICE_ID_INTEL_ICH7M:
case PCI_DEVICE_ID_INTEL_ICH7DH:
case PCI_DEVICE_ID_INTEL_ICH7MDH:
case PCI_DEVICE_ID_INTEL_ICH8M:
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_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;
}