static void pci_init(struct device *dev)
{
u32 dword;
device_t pci_domain_dev;
struct resource *mem, *pref;
dword = pci_read_config32(dev, 0x04);
dword |= (1 << 8); /* System error enable */
dword |= (1 << 30); /* Clear possible errors */
pci_write_config32(dev, 0x04, dword);
#if 0
word = pci_read_config16(dev, 0x48);
word |= (1 << 0); /* MRL2MRM */
word |= (1 << 2); /* MR2MRM */
pci_write_config16(dev, 0x48, word);
#endif
#if 1
dword = pci_read_config32(dev, 0x4c);
dword |= 0x00440000; /* TABORT_SER_ENABLE Park Last Enable. */
pci_write_config32(dev, 0x4c, dword);
#endif
pci_domain_dev = dev->bus->dev;
while (pci_domain_dev) {
if (pci_domain_dev->path.type == DEVICE_PATH_PCI_DOMAIN)
break;
pci_domain_dev = pci_domain_dev->bus->dev;
}
if (!pci_domain_dev)
return; /* Impossible */
pref = probe_resource(pci_domain_dev, IOINDEX_SUBTRACTIVE(2,0));
mem = probe_resource(pci_domain_dev, IOINDEX_SUBTRACTIVE(1,0));
if (!mem)
return; /* Impossible */
if (!pref || pref->base > mem->base) {
dword = mem->base & (0xffff0000UL);
printk(BIOS_DEBUG, "PCI DOMAIN mem base = 0x%010Lx\n", mem->base);
} else {
dword = pref->base & (0xffff0000UL);
printk(BIOS_DEBUG, "PCI DOMAIN pref base = 0x%010Lx\n", pref->base);
}
printk(BIOS_DEBUG, "[0x50] <-- 0x%08x\n", dword);
pci_write_config32(dev, 0x50, dword); /* TOM */
}
static int reg_useable(unsigned reg, device_t goal_dev, unsigned goal_nodeid,
unsigned goal_link)
{
struct resource *res;
unsigned nodeid, link = 0;
int result;
res = 0;
for (nodeid = 0; !res && (nodeid < fx_devs); nodeid++) {
device_t dev;
dev = __f0_dev[nodeid];
if (!dev)
continue;
for (link = 0; !res && (link < 8); link++) {
res = probe_resource(dev, IOINDEX(0x1000 + reg, link));
}
}
result = 2;
if (res) {
result = 0;
if ((goal_link == (link - 1)) &&
(goal_nodeid == (nodeid - 1)) && (res->flags <= 1)) {
result = 1;
}
}
return result;
}
static int reg_useable(unsigned reg, device_t goal_dev, unsigned goal_nodeid,
unsigned goal_link)
{
struct resource *res;
unsigned nodeid, link = 0;
int result;
printk(BIOS_DEBUG, "\nFam12h - northbridge.c - reg_useable - Start.\n");
res = 0;
for(nodeid = 0; !res && (nodeid < fx_devs); nodeid++) {
device_t dev;
dev = __f0_dev[nodeid];
if (!dev)
continue;
for(link = 0; !res && (link < 8); link++) {
res = probe_resource(dev, IOINDEX(0x1000 + reg, link));
}
}
result = 2;
if (res) {
result = 0;
if ( (goal_link == (link - 1)) &&
(goal_nodeid == (nodeid - 1)) &&
(res->flags <= 1)) {
result = 1;
}
}
printk(BIOS_DEBUG, "Fam12h - northbridge.c - reg_useable - End.\n");
return result;
}
