What about the Config.lb under the mainboard folder. Most Boards enables the apic cluster, the eaglelion/5bcm does not.
Do you have an apic?
I think all devices should be init, which are set to on in the Config file.
However, the CPU is not init by LB and therefor there is no L1 cache. Can somebody have a second look to the eaglelion Config.lb under the mainboard folder. The file could be wrong.
What boards are you comparing against?
I haven't had a chance to look at the registers you listed for the CPU datasheet. But my suggestion would be to just try them and see what happens.
-- Richard A. Smith