[PATCH] powerpc: Fix problems with 32bit PPC's running with more than 2GB of RAM

[Josh Boyer]

On Thu, 10 Jul 2008 06:02:38 +1000
Benjamin Herrenschmidt <benh at kernel.crashing.org> wrote:

> On Wed, 2008-07-09 at 15:44 +0200, Stefan Roese wrote:
> > This patch enables 32bit PPC's (with 36bit physical address space, e.g.
> > IBM/AMCC PPC44x) to run with more than 2GB of RAM. Mostly its just
> > replacing types (unsigned long -> phys_addr_t).
> > 
> > Tested on an AMCC Katmai with 4GB of DDR2.
> > 
> > Signed-off-by: Stefan Roese <sr at denx.de>
> 
> But DMAs will break no ?

How?

josh