Silicon Turnkey Express XTL870 support?

Hello All -

I'm new to this list so please pardon a dumb question.  Does anyone  
out there have a patch to support the Silicon Turnkey Express XTL870  
family of boards?  Or can anyone recommend another 8xx board with  
existing Linux support who's configuration files might work as a  
substitute?

Thanks,
David

David A. Burgess
Kestrel Signal Processing, Inc.