[U-Boot] [PATCH v3 2/8] arm: socfpga: fix device trees to work with DM serial

[Tom Rini <trini@konsulko.com>]

On Mon, Aug 13, 2018 at 03:25:19PM +0200, Simon Goldschmidt wrote:
> On Mon, Aug 13, 2018 at 3:17 PM Tom Rini <trini@konsulko.com> wrote:
> >
> > On Mon, Aug 13, 2018 at 09:33:45AM +0200, Simon Goldschmidt wrote:
> >
> > > Device trees need to have the serial console device available
> > > before relocation and require a stdout-path in chosen at least
> > > for SPL to have a console.
> > >
> > > Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
> > > ---
> > >
> > > Changes in v3:
> > > - moved uart0's "u-boot,dm-pre-reloc;" from socfpga.dtsi to board
> > >   specific dts files since this can change per board
> >
> > Why are these not in socfpga-u-boot.dtsi ?  We have the mechanism to
> > grab CONFIG_SYS_CPU/CONFIG_SYS_SOC/CONFIG_SYS_VENDOR-u-boot.dtsi
> > automatically so that we don't have to modify the files we sync in from
> > upstream.
> 
> Ehrm, I don't know, really. The DTS files for socfpga already have
> many U-Boot specifics and are quite different to Linux. It might make
> sense to sync them, but do we really have to do this for 2018.09?
> 
> Keep in mind that this series exists to fix that 2018.07 broke on these boards.

Well, I think given that you're adding these changes right now, they
should be added to the correct file so that they aren't lost on re-sync
later.  It would be adding:
&uart0 {
       u-boot,dm-pre-reloc;
};

once to arch/arm/dts/socfpga-u-boot.dtsi rather than for every board.

-- 
Tom
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