Multiple banks of flash?

Josh Boyer jdub at us.ibm.com
Mon Nov 29 12:26:18 EST 2004


On Mon, 2004-11-29 at 10:29, Rainer Weikusat wrote:
> Josh Boyer <jdub at us.ibm.com> writes:
> > On Mon, 2004-11-29 at 09:15, Andrew Carlisle wrote:
> >> I have two banks of flash that are physically located at different
> >> locations.  I have successfully mapped one bank.  I can also map the other
> >> bank, but the problem is that I can't map both the banks simultaneously.
> >> 
> >> I went into physmap.c and modified init_physmap() so that it basically does
> >> the same thing twice, two probes, two partition searches, but it doesn't
> >> seem to work mapping two banks which are located at different address mapped
> >> in at the same time.
> >> 
> >> I am using the Monta Vista 2.6 version of the kernel.
> >
> > Joern Engel wrote a mphysmap driver some time ago.  It works fairly
> > well.  You might be able to find it if you google for it.  Not sure why
> > it wasn't included in MTD CVS.
> 
> Various people have written something like this at different times
> :->.

Indeed.  Joern's just happened to be the one I am most familiar with. 
But since lots of different implementations have been written, it makes
one wonder why none are in CVS...

josh





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