[PATCH 3/5] ARM: dts: rmobile: Reserve space in R-Car Gen3 DTs

[Tom Rini]

On Sun, Apr 19, 2020 at 05:37:17PM -0600, Simon Glass wrote:
> Hi Marek,
> 
> On Sat, 11 Apr 2020 at 14:01, Marek Vasut <marek.vasut at gmail.com> wrote:
> >
> > Reserve 4 kiB of space in R-Car Gen3 DTs when those DTs are compiled
> > to permit patching in OpTee-OS /firmware node, /reserved-memory node
> > and possibly also additional /memory@ nodes.
> >
> > Signed-off-by: Marek Vasut <marek.vasut+renesas at gmail.com>
> > Cc: Nobuhiro Iwamatsu <iwamatsu at nigauri.org>
> > Cc: Simon Glass <sjg at chromium.org>
> > Cc: Tom Rini <trini at konsulko.com>
> > ---
> >  arch/arm/dts/Makefile | 4 ++++
> >  1 file changed, 4 insertions(+)
> 
> Reviewed-by: Simon Glass <sjg at chromium.org>
> 
> Perhaps we should have a CONFIG_DTC_RESERVE option to set the reserved size?

Perhaps this is also related to the patch Michal posted about modifying
the reserve size?  Thanks!

> 
> >
> > diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> > index 1ce44204ec..b9aa44b5d8 100644
> > --- a/arch/arm/dts/Makefile
> > +++ b/arch/arm/dts/Makefile
> > @@ -749,6 +749,10 @@ dtb-$(CONFIG_RCAR_GEN3) += \
> >         r8a77990-ebisu-u-boot.dtb \
> >         r8a77995-draak-u-boot.dtb
> >
> > +ifdef CONFIG_RCAR_GEN3
> > +DTC_FLAGS += -R 4 -p 0x1000
> > +endif
> > +
> >  dtb-$(CONFIG_RZA1) += \
> >         r7s72100-gr-peach-u-boot.dtb
> >
> > --
> > 2.25.1
> >
> 
> Regards,
> Simon

-- 
Tom
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