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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-10-16 02:16:07 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-10-16 02:16:07 +0400 |
| commit | 2502991560dc8244dbe10e48473d85722c1e2ec1 (patch) | |
| tree | 63b1f3be2ed56ff06f1e8db709e4ce85d69c3add /arch/x86/pci/fixup.c | |
| parent | 7e69a8c4d06b7ecb874f571e82b715a9f79bc3c4 (diff) | |
| parent | a9ff8f6462635c8d9f8d64b7b10ddcea8404d77b (diff) | |
| download | linux-2502991560dc8244dbe10e48473d85722c1e2ec1.tar.xz | |
Merge branch 'fixes' into for-linus
Conflicts:
arch/arm/mach-versatile/core.c
Diffstat (limited to 'arch/x86/pci/fixup.c')
| -rw-r--r-- | arch/x86/pci/fixup.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c index 4bdaa590375d..3c27a809393b 100644 --- a/arch/x86/pci/fixup.c +++ b/arch/x86/pci/fixup.c @@ -511,3 +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); |