PCI_CB_MEMBASE0
mem = pci_conf_read(pc, tag, PCI_CB_MEMBASE0);
PCI_CB_MEMBASE0, mem, limit,
basereg = win * 8 + PCI_CB_MEMBASE0;
basereg = win * 8 + PCI_CB_MEMBASE0;
offs = PCI_CB_MEMBASE0;
pci_conf_write(pc, tag, PCI_CB_MEMBASE0, 0xffffffff);