On Mon, Jan 20, 2014 at 07:25:50PM +0100, Alexander Aring wrote:
> Hi Sascha,
>
> On Mon, Jan 20, 2014 at 02:23:55PM +0100, Sascha Hauer wrote:
> > - add chosen node with
> > - environment
> > - linux,stdout-path
> > - add dsr value to eMMC
> > - add provide-mac-address property to iim node
> >
> > Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> > ---
> > arch/arm/dts/imx53-mba53.dts | 17 +++++++++++++++++
> > arch/arm/dts/imx53-tqma53.dtsi | 15 ++++++++++++++-
> > 2 files changed, 31 insertions(+), 1 deletion(-)
> >
> > diff --git a/arch/arm/dts/imx53-mba53.dts b/arch/arm/dts/imx53-mba53.dts
> > index a630902..43bb12c 100644
> ...
> > +
> > memory {
> > - reg = <0x70000000 0x40000000>; /* Up to 1GiB */
> > + reg = <0x70000000 0x0>; /* Up to 1GiB */
>
> Is this change correct? You don't mention it in commit-msg and it confusing
> me a little bit to set this zero. :-)
The change is necessary. The tqma53 comes with 512MiB or 1GiB. During
barebox startup the SDRAM first gets registered by the devicetree
information, but this is wrong for the 512MiB boards. The correct
SDRAM size is derived from the SDRAM controller settings later from
arch/arm/mach-imx/esdctl.c. This only works as long as the devicetree
parser hasn't registered conflicting SDRAM earlier.
Sascha
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