1. Need to figure out why PCI writes to the IOC3 hang, and if it is okay
not to write to the IOC3 ever.
2. Need to figure out RRB allocation in bridge_startup().
3. Need to figure out why address swaizzling is needed in inw/outw for 
Qlogic scsi controllers.
4. Need to integrate ip27-klconfig.c:find_lboard and 
ip27-init.c:find_lbaord_real.
5. Is it okay to set calias space on all nodes as 0, instead of 8k as
in irix?
6. Investigate why things do not work without the setup_test() call
being invoked on all nodes in ip27-memory.c.
