[PATCH 3/4] mpc8349emitx: Add chosen node for default stdout path

Grant Likely grant.likely at secretlab.ca
Fri Jul 20 08:12:09 EST 2007


On 7/19/07, Kim Phillips <kim.phillips at freescale.com> wrote:
> On Thu, 19 Jul 2007 13:43:17 -0600
> "Grant Likely" <grant.likely at secretlab.ca> wrote:
>
> > On 7/19/07, Scott Wood <scottwood at freescale.com> wrote:
> > > Grant Likely wrote:
> > > > From: Grant Likely <grant.likely at secretlab.ca>
> > > >
> > > > To boot from a cuImage requires the device tree to have a
> > > > linux,stdout-path property in the chosen node.  This patch adds it
> > > > to the .dts files.
> > >
> > > This will break many current u-boots, as they blindly add a /chosen node
> > > regardless of whether one already exists.
> >
> > That really should be fixed then.  In the meantime; I'll resubmit the
> > patch to add the chosen node; but with it commented out.
> >
>
> the old FLAT_TREE u-boot fdt fixup code renames any existing chosen
> node out of the way, and adds its fixed up version as /chosen.
>
> The LIBFDT implementation replaces any existing /chosen with its fixed
> up version.
>
> So it all works out.  Adding chosen/linux,stdout-path properties to the
> kernel dtses is fine.
>
> btw, why are these changes being limited to the ITX and GP?

Simply because I'm working on an itx-gp board.  If this is deemed to
be a good change, I can whip up a patch to fix all boards with my
'best guess' as to what stdout should be.

Cheers,
g.


-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
grant.likely at secretlab.ca
(403) 399-0195



More information about the Linuxppc-dev mailing list