BFE_PCI_MEMLO
membase = pci_read_config(dev, BFE_PCI_MEMLO, 4);
pci_write_config(dev, BFE_PCI_MEMLO, membase, 4);
rid = BFE_PCI_MEMLO;
bus_release_resource(dev, SYS_RES_MEMORY, BFE_PCI_MEMLO,