[PATCH] ARM: Kirkwood: Fix the internal register ranges translation

Jason Cooper jason at lakedaemon.net
Wed Jun 19 14:36:27 EDT 2013


On Tue, Jun 18, 2013 at 04:47:57PM -0300, Ezequiel Garcia wrote:
> On Tue, Jun 18, 2013 at 09:42:48PM +0200, Sebastian Hesselbarth wrote:
> > On 06/18/2013 05:31 PM, Ezequiel Garcia wrote:
> > > Although the internal register window size is 1 MiB, the previous
> > > ranges translation for the internal register space had a size of
> > > 0x4000000. This was done to allow the crypto and nand node to access
> > > the corresponding 'sram' and 'nand' decoding windows.
> > >
> > > In order to describe the hardware more accurately, we declare the
> > > real 1 MiB internal register space in the ranges, and add a translation
> > > entry for the nand node to access the 'nand' window.
> > >
> > > This commit will make future improvements on the MBus DT binding easier.
> > >
> > > Signed-off-by: Ezequiel Garcia<ezequiel.garcia at free-electrons.com>
> > > ---
> > > Tested on Plathome Openblocks A6 board.
> > >
> > >   arch/arm/boot/dts/kirkwood.dtsi | 5 +++--
> > >   1 file changed, 3 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi
> > > index 8a1e3bb..910fabc 100644
> > > --- a/arch/arm/boot/dts/kirkwood.dtsi
> > > +++ b/arch/arm/boot/dts/kirkwood.dtsi
> > > @@ -38,7 +38,8 @@
> > >
> > >   	ocp at f1000000 {
> > >   		compatible = "simple-bus";
> > > -		ranges =<0x00000000 0xf1000000 0x4000000
> > > +		ranges =<0x00000000 0xf1000000 0x0100000
> > > +		          0xf4000000 0xf4000000 0x0000400
> > >   		          0xf5000000 0xf5000000 0x0000400>;
> > 
> > Ezequiel,
> > 
> > maybe you should also put a comment at the end of each ranges
> > line to name the remap it does?
> > 
> > Also, as already mentioned on IRC, it would be great to also
> > have dove.dtsi updated accordingly.
> > 
> 
> Indeed, I will do both.

The sooner, the better.  This is probably the last patch to get in for
this merge window for mvebu...

thx,

Jason.



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