I965_IFPADDR
pci_conf_write(bpa->pa_pc, bpa->pa_tag, I965_IFPADDR + 4,
pci_conf_write(bpa->pa_pc, bpa->pa_tag, I965_IFPADDR,
hi = pci_conf_read(bpa->pa_pc, bpa->pa_tag, I965_IFPADDR + 4);
lo = pci_conf_read(bpa->pa_pc, bpa->pa_tag, I965_IFPADDR);