diff options
Diffstat (limited to 'drivers/pci/quirks.c')
| -rw-r--r-- | drivers/pci/quirks.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 8029b1982..3e1485837 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -164,6 +164,23 @@ static void __init quirk_piix4acpi(struct pci_dev *dev) } /* + * VIA ACPI: One IO region pointed to by longword at + * 0x48 or 0x20 (256 bytes of ACPI registers) + */ +static void __init quirk_via_acpi(struct pci_dev *dev) +{ + u8 rev; + u32 region; + + pci_read_config_byte(dev, PCI_CLASS_REVISION, &rev); + if (rev & 0x10) { + pci_read_config_dword(dev, 0x48, ®ion); + region &= PCI_BASE_ADDRESS_IO_MASK; + quirk_io_region(dev, region, 256, PCI_BRIDGE_RESOURCES); + } +} + +/* * The main table of quirks. */ @@ -192,6 +209,8 @@ static struct pci_fixup pci_fixups[] __initdata = { { PCI_FIXUP_FINAL, PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443BX_2, quirk_natoma }, { PCI_FIXUP_FINAL, PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5597, quirk_nopcipci }, { PCI_FIXUP_FINAL, PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_496, quirk_nopcipci }, + { PCI_FIXUP_FINAL, PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_3, quirk_via_acpi }, + { PCI_FIXUP_FINAL, PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4, quirk_via_acpi }, { PCI_FIXUP_FINAL, PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_3, quirk_piix4acpi }, { PCI_FIXUP_FINAL, PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101, quirk_ali7101 }, { 0 } |