Geode GX1 and IRQ tables
ramesh_bios at yahoo.com
Thu Mar 3 17:37:01 CET 2005
Ok, so I tried this specific sequence and it failed.
making region read/write
done making region read/write
Verifing priq routing tables copy at 0xf0000...failed,
f0000=b0 while 87c0=24
Could it be that f0000 is mapped to the flash? I'm
trying to figure out whether that is technically
possible for a gx1? Could the hardware somehow have a
control that maps the 2Mbit flash to that block?
--- ramesh bios <ramesh_bios at yahoo.com> wrote:
> Ok, so I think this means I should:
> 1. Enable writes for F0000h thru F3FFFh (in
> gx_setup.inc) 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
> it goes.
> --- "Ronald G. Minnich" <rminnich at lanl.gov> 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
> > 0xf0000. Enable writes
> > (2). At the end of the process, you need to set
> > for the area.
> > And, somebody will have to explain how this fits
> > with the new stuff, as
> > I have not looked at shadow ram setup at all in
> > ron
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