alternate startup idea.

Stefan Reinauer stepan at suse.de
Wed Jul 23 04:11:01 CEST 2003


* ron minnich <rminnich at lanl.gov> [030723 03:26]:
> Well, my alternate startup idea works fine on the K8. Except ... looks 
> like flash rom addressing is not enabled by default for anything but the 
> 0xffff0000 segment, which means while my idea works, it's useless: if I 
> jump to the 0xfffe0000 segment, I'll be reading air, not the flash part. 
> 
> Darn it. I kind of wish that we could get the chipmakers to default to 
> full addressing in the high part of the address space, i.e. when it 
> decodes for the flash, it decodes from 0xfff00000 up, not 0xffff0000 up. 
> Someday ...
 
Hm. On the K8 this might be a special problem as you have to do the non
coherent HT enumeration before you can actually access the southbridge 
registers. On any non-HT system it should be easy to map the missing
address space using the southbridge though.

  Stefan

-- 
Architecture Team
    SuSE Linux AG



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