diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2000-06-19 22:45:37 +0000 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2000-06-19 22:45:37 +0000 |
commit | 6d403070f28cd44860fdb3a53be5da0275c65cf4 (patch) | |
tree | 0d0e7fe7b5fb7568d19e11d7d862b77a866ce081 /drivers/pci/quirks.c | |
parent | ecf1bf5f6c2e668d03b0a9fb026db7aa41e292e1 (diff) |
Merge with 2.4.0-test1-ac21 + pile of MIPS cleanups to make merging
possible. Chainsawed RM200 kernel to compile again. Jazz machine
status unknown.
Diffstat (limited to 'drivers/pci/quirks.c')
-rw-r--r-- | drivers/pci/quirks.c | 57 |
1 files changed, 50 insertions, 7 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 3e1485837..1d5efdfc4 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -138,7 +138,7 @@ static void __init quirk_io_region(struct pci_dev *dev, unsigned region, unsigne * 0xE0 (64 bytes of ACPI registers) * 0xE2 (32 bytes of SMB registers) */ -static void __init quirk_ali7101(struct pci_dev *dev) +static void __init quirk_ali7101_acpi(struct pci_dev *dev) { u16 region; @@ -153,7 +153,7 @@ static void __init quirk_ali7101(struct pci_dev *dev) * 0x40 (64 bytes of ACPI registers) * 0x90 (32 bytes of SMB registers) */ -static void __init quirk_piix4acpi(struct pci_dev *dev) +static void __init quirk_piix4_acpi(struct pci_dev *dev) { u32 region; @@ -167,7 +167,7 @@ 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) +static void __init quirk_vt82c586_acpi(struct pci_dev *dev) { u8 rev; u32 region; @@ -181,6 +181,48 @@ static void __init quirk_via_acpi(struct pci_dev *dev) } /* + * VIA VT82C686 ACPI: Three IO region pointed to by (long)words at + * 0x48 (256 bytes of ACPI registers) + * 0x70 (128 bytes of hardware monitoring register) + * 0x90 (16 bytes of SMB registers) + */ +static void __init quirk_vt82c686_acpi(struct pci_dev *dev) +{ + u16 hm; + u32 smb; + + quirk_vt82c586_acpi(dev); + + pci_read_config_word(dev, 0x70, &hm); + hm &= PCI_BASE_ADDRESS_IO_MASK; + quirk_io_region(dev, hm, 128, PCI_BRIDGE_RESOURCES + 1); + + pci_read_config_dword(dev, 0x90, &smb); + smb &= PCI_BASE_ADDRESS_IO_MASK; + quirk_io_region(dev, smb, 16, PCI_BRIDGE_RESOURCES + 2); +} + +/* + * PIIX3 USB: We have to disable USB interrupts that are + * hardwired to PIRQD# and may be shared with an + * external device. + * + * Legacy Support Register (LEGSUP): + * bit13: USB PIRQ Enable (USBPIRQDEN), + * bit4: Trap/SMI ON IRQ Enable (USBSMIEN). + * + * We mask out all r/wc bits, too. + */ +static void __init quirk_piix3usb(struct pci_dev *dev) +{ + u16 legsup; + + pci_read_config_word(dev, 0xc0, &legsup); + legsup &= 0x50ef; + pci_write_config_word(dev, 0xc0, legsup); +} + +/* * The main table of quirks. */ @@ -209,10 +251,11 @@ 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 }, + { PCI_FIXUP_HEADER, PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_3, quirk_vt82c586_acpi }, + { PCI_FIXUP_HEADER, PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4, quirk_vt82c686_acpi }, + { PCI_FIXUP_HEADER, PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_3, quirk_piix4_acpi }, + { PCI_FIXUP_HEADER, PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101, quirk_ali7101_acpi }, + { PCI_FIXUP_HEADER, PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371SB_2, quirk_piix3usb }, { 0 } }; |