AGP_ALI_ATTBASE
reg = pci_conf_read(asc->asc_pc, asc->asc_tag, AGP_ALI_ATTBASE);
pci_conf_write(asc->asc_pc, asc->asc_tag, AGP_ALI_ATTBASE, reg);
AGP_ALI_ATTBASE);
pci_conf_write(asc->asc_pc, asc->asc_tag, AGP_ALI_ATTBASE,
AGP_ALI_ATTBASE) & 0xff;
reg = pci_conf_read(asc->asc_pc, asc->asc_tag, AGP_ALI_ATTBASE);
pci_conf_write(asc->asc_pc, asc->asc_tag, AGP_ALI_ATTBASE, reg);