Geode GX1 and IRQ tables

ramesh bios ramesh_bios at
Thu Mar 3 04:16:01 CET 2005

Ok, so I think this means I should:
1. Enable writes for F0000h thru F3FFFh (in using BC_XMAP_3
2. Copy the pirq table to F0000  as in
3. Enable read and writes for F0000h thru F3FFFh in
pirq_routing.c:verify_copy_pirq_routing_table using

I'll give this a shot when I get some time and see how
it goes.  


--- "Ronald G. Minnich" <rminnich at> wrote:
> for shadow ram, you need to enable writes to go to
> ram. Later on, when you 
> are done with a region, you need to enable reads. 
> So the way you do this: figure out which one is for
> 0xf0000. Enable writes 
> (2). At the end of the process, you need to set (3)
> for the area. 
> And, somebody will have to explain how this fits in
> with the new stuff, as 
> I have not looked at shadow ram setup at all in V2!
> ron
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> Linuxbios mailing list
> Linuxbios at

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