PCI_BRIDGE_BUS_NUM_PRIMARY
v |= PCI_BRIDGE_BUS_NUM_PRIMARY(0);
pbus = PCI_BRIDGE_BUS_NUM_PRIMARY(binfo);
pbus = PCI_BRIDGE_BUS_NUM_PRIMARY(reg);
PCI_BRIDGE_BUS_NUM_PRIMARY(pd->pd_bridge.bridge_bus),
PCI_BRIDGE_BUS_NUM_PRIMARY(rval));
if (pa->pa_bus != PCI_BRIDGE_BUS_NUM_PRIMARY(busdata))
pa->pa_bus, PCI_BRIDGE_BUS_NUM_PRIMARY(busdata));