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From: Stefan Roese <sr@denx.de>
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Subject: Re: [PATCH 07/17] bootwrapper: Add dt_set_memory(),
	to fill in the /memory node.
Date: Fri, 23 Mar 2007 07:49:45 +0100
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Cc: David Gibson <david@gibson.dropbear.id.au>
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On Friday 23 March 2007 04:24, David Gibson wrote:
> On Thu, Mar 22, 2007 at 12:02:56PM +0100, Segher Boessenkool wrote:
> > >>> However, #address-cells=2, #size-cells=1 is common enough that we
> > >>> really need to support that case.
> > >>
> > >> On the root node?!?  Who would do such a strange thing?
> > >
> > > Ebony, for one, it works nicely for a 32-bit system with >32-bit bus.
> >
> > It means you cannot have a 4GB-or-bigger region below your
> > root node.  Dunno if Ebony ever needs one, for I/O mapping
> > perhaps?
>
> Nope.  0-4GB is RAM, 4-8 is in-built IO, 8-12 is PCI IO, and I forget
> what 12-16 is, if anything.

The 440SPe supports up to 16GB of DDR2 (0-16GB). You might want to consider 
supporting this sort of setup here.

Best regards,
Stefan