coreboot-kgpe-d16/util/viatool/quirks/quirks.c

119 lines
2.8 KiB
C

/*
* viatool - dump all registers on a VIA CPU + chipset based system.
*
* Copyright (C) 2013 Alexandru Gagniuc
*
* 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; either version 2
* of the License, or (at your option) any later version.
*
* 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
* a long with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "quirks.h"
#include <viatool.h>
#include <stdio.h>
#include <stddef.h>
extern struct quirk_list vx900_sb_quirk_list;
struct quirk_list *sb_quirks[] = {
&vx900_sb_quirk_list,
0,
};
struct quirk_list *nb_quirks[] = {
0,
};
int print_quirks(struct pci_dev *sb, struct pci_access *pacc,
struct quirk_list **qlists);
int print_quirks_north(struct pci_dev *nb, struct pci_access *pacc)
{
printf("\n====== Northbridge Quirks =======\n\n");
return print_quirks(nb, pacc, nb_quirks);
}
int print_quirks_south(struct pci_dev *sb, struct pci_access *pacc)
{
printf("\n====== Southbridge Quirks =======\n\n");
return print_quirks(sb, pacc, sb_quirks);
}
int print_quirks(struct pci_dev *sb, struct pci_access *pacc,
struct quirk_list **qlists)
{
size_t i, j;
struct quirk *q;
struct quirk_list *qlist;
struct pci_dev *dev;
for (i = 0; ; i++)
{
qlist = qlists[i];
if (qlist == NULL) {
/* OOPS. We've tried all we know, but no quirk */
printf("No quirks supported.\n");
break;
}
/* Is this the right device ? */
if ( (qlist->pci_vendor_id != sb->vendor_id) ||
qlist->pci_device_id != sb->device_id)
continue;
for (j = 0; ; j++)
{
q = &qlist->dev_quirks[j];
if(q->pci_device_id == 0)
break;
printf("Probing PCI device %i:%.2x.%i\n",
q->pci_bus, q->pci_dev, q->pci_func);
dev = pci_get_dev(pacc, q->pci_domain, q->pci_bus,
q->pci_dev, q->pci_func);
if (!dev) {
perror("Error: no device found\n");
continue;
}
pci_fill_info(dev, PCI_FILL_IDENT |
PCI_FILL_BASES |
PCI_FILL_SIZES |
PCI_FILL_CLASS );
if (dev->device_id != q->pci_device_id) {
printf("Expected %.4x:%.4x, got %.4x:%.4x\n",
q->pci_vendor_id, q->pci_device_id,
dev->vendor_id, dev->device_id);
continue;
}
if (!q->quirk_func) {
perror("BUG: Quirk missing.\n");
continue;
}
q->quirk_func(dev);
/* On to next quirk */
}
/* Done. No need to go through the remainder of the list */
break;
}
return 0;
}