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

[Simon Glass]

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?

>
> 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