Freebios2 recovery progress... pci64 mem optimization

[Eric W. Biederman]

YhLu <YhLu at tyan.com> writes:

> Cool, with prefmem 64 bit, and mem opt.
> 
> Get back 512M RAM.

That is my motivation.  The fact that 256M video cards
are prefmem but are not 64bit is annoying.

On the server side everything seems to be large 64bit prefetchable memory areas.

32bit kernels have an issue with 64bit resources though :(

Eric