]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - arch/x86/pci/fixup.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
[linux-2.6-omap-h63xx.git] / arch / x86 / pci / fixup.c
index ff3a6a33634231514c945a66f15328a6a8ce534a..3c27a809393b59051aaa794ad33b2310fd70402c 100644 (file)
@@ -23,7 +23,8 @@ static void __devinit pci_fixup_i450nx(struct pci_dev *d)
                pci_read_config_byte(d, reg++, &busno);
                pci_read_config_byte(d, reg++, &suba);
                pci_read_config_byte(d, reg++, &subb);
-               DBG("i450NX PXB %d: %02x/%02x/%02x\n", pxb, busno, suba, subb);
+               dev_dbg(&d->dev, "i450NX PXB %d: %02x/%02x/%02x\n", pxb, busno,
+                       suba, subb);
                if (busno)
                        pci_scan_bus_with_sysdata(busno);       /* Bus A */
                if (suba < subb)
@@ -510,3 +511,31 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, 0x1201, fam10h_pci_cfg_space_size);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, 0x1202, fam10h_pci_cfg_space_size);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, 0x1203, fam10h_pci_cfg_space_size);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, 0x1204, fam10h_pci_cfg_space_size);
+
+/*
+ * SB600: Disable BAR1 on device 14.0 to avoid HPET resources from
+ * confusing the PCI engine:
+ */
+static void sb600_disable_hpet_bar(struct pci_dev *dev)
+{
+       u8 val;
+
+       /*
+        * The SB600 and SB700 both share the same device
+        * ID, but the PM register 0x55 does something different
+        * for the SB700, so make sure we are dealing with the
+        * SB600 before touching the bit:
+        */
+
+       pci_read_config_byte(dev, 0x08, &val);
+
+       if (val < 0x2F) {
+               outb(0x55, 0xCD6);
+               val = inb(0xCD7);
+
+               /* Set bit 7 in PM register 0x55 */
+               outb(0x55, 0xCD6);
+               outb(val | 0x80, 0xCD7);
+       }
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATI, 0x4385, sb600_disable_hpet_bar);