AGP_I965_IFPADDR
temp_hi = pci_read_config(sc->bdev, AGP_I965_IFPADDR + 4, 4);
temp_lo = pci_read_config(sc->bdev, AGP_I965_IFPADDR, 4);
pci_write_config(sc->bdev, AGP_I965_IFPADDR + 4,
pci_write_config(sc->bdev, AGP_I965_IFPADDR,
temp_lo = pci_read_config(sc->bdev, AGP_I965_IFPADDR, 4);
pci_write_config(sc->bdev, AGP_I965_IFPADDR, temp_lo, 4);