Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 80026
b: refs/heads/master
c: 7bcbc78
h: refs/heads/master
v: v3
  • Loading branch information
Neil Horman authored and Ingo Molnar committed Jan 30, 2008
1 parent d9a89b5 commit 48c5b60
Show file tree
Hide file tree
Showing 2 changed files with 48 additions and 45 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 3b095a04e71243bd0f1679c04f1e8d73a3c9c5a9
refs/heads/master: 7bcbc78dea92fdf0947fa48e248da3c993a5690f
91 changes: 47 additions & 44 deletions trunk/arch/x86/kernel/early-quirks.c
Original file line number Diff line number Diff line change
Expand Up @@ -32,10 +32,13 @@ static void __init fix_hypertransport_config(int num, int slot, int func)
*/
htcfg = read_pci_config(num, slot, func, 0x68);
if (htcfg & (1 << 18)) {
printk(KERN_INFO "Detected use of extended apic ids on hypertransport bus\n");
printk(KERN_INFO "Detected use of extended apic ids "
"on hypertransport bus\n");
if ((htcfg & (1 << 17)) == 0) {
printk(KERN_INFO "Enabling hypertransport extended apic interrupt broadcast\n");
printk(KERN_INFO "Note this is a bios bug, please contact your hw vendor\n");
printk(KERN_INFO "Enabling hypertransport extended "
"apic interrupt broadcast\n");
printk(KERN_INFO "Note this is a bios bug, "
"please contact your hw vendor\n");
htcfg |= (1 << 17);
write_pci_config(num, slot, func, 0x68, htcfg);
}
Expand Down Expand Up @@ -130,6 +133,43 @@ static struct chipset early_qrk[] __initdata = {
{}
};

static void check_dev_quirk(int num, int slot, int func)
{
u16 class;
u16 vendor;
u16 device;
u8 type;
int i;

class = read_pci_config_16(num, slot, func, PCI_CLASS_DEVICE);

if (class == 0xffff)
return;

vendor = read_pci_config_16(num, slot, func, PCI_VENDOR_ID);

device = read_pci_config_16(num, slot, func, PCI_DEVICE_ID);

for (i = 0; early_qrk[i].f != NULL; i++) {
if (((early_qrk[i].vendor == PCI_ANY_ID) ||
(early_qrk[i].vendor == vendor)) &&
((early_qrk[i].device == PCI_ANY_ID) ||
(early_qrk[i].device == device)) &&
(!((early_qrk[i].class ^ class) &
early_qrk[i].class_mask))) {
if ((early_qrk[i].flags &
QFLAG_DONE) != QFLAG_DONE)
early_qrk[i].f(num, slot, func);
early_qrk[i].flags |= QFLAG_APPLIED;
}
}

type = read_pci_config_byte(num, slot, func,
PCI_HEADER_TYPE);
if (!(type & 0x80))
return;
}

void __init early_quirks(void)
{
int num, slot, func;
Expand All @@ -138,45 +178,8 @@ void __init early_quirks(void)
return;

/* Poor man's PCI discovery */
for (num = 0; num < 32; num++) {
for (slot = 0; slot < 32; slot++) {
for (func = 0; func < 8; func++) {
u16 class;
u16 vendor;
u16 device;
u8 type;
int i;

class = read_pci_config_16(num,slot,func,
PCI_CLASS_REVISION);
if (class == 0xffff)
break;

vendor = read_pci_config_16(num, slot, func,
PCI_VENDOR_ID);

device = read_pci_config_16(num, slot, func,
PCI_DEVICE_ID);

for(i=0;early_qrk[i].f != NULL;i++) {
if (((early_qrk[i].vendor == PCI_ANY_ID) ||
(early_qrk[i].vendor == vendor)) &&
((early_qrk[i].device == PCI_ANY_ID) ||
(early_qrk[i].device == device)) &&
(!((early_qrk[i].class ^ class) &
early_qrk[i].class_mask))) {
if ((early_qrk[i].flags & QFLAG_DONE) != QFLAG_DONE)
early_qrk[i].f(num, slot, func);
early_qrk[i].flags |= QFLAG_APPLIED;

}
}

type = read_pci_config_byte(num, slot, func,
PCI_HEADER_TYPE);
if (!(type & 0x80))
break;
}
}
}
for (num = 0; num < 32; num++)
for (slot = 0; slot < 32; slot++)
for (func = 0; func < 8; func++)
check_dev_quirk(num, slot, func);
}

0 comments on commit 48c5b60

Please sign in to comment.