Re: [PATCH] arm64: dts: renesas: rzt2h-n2h-evk: Mark XSPI1 boot partitions read-only

[Geert Uytterhoeven]

Hi Prabhakar,

On Wed, 26 Aug 2026 at 13:28, Prabhakar <prabhakar.csengg@xxxxxxxxx> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
>
> Mark the BL2 and FIP partitions on XSPI1 as read-only to prevent them
> from being modified through the MTD partition interface.
>
> The corresponding boot partitions on XSPI0 are already marked
> read-only.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

Thanks for your patch!

> --- a/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
> +++ b/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
> @@ -825,11 +825,13 @@ partitions {
>                         partition@0 {
>                                 label = "bl2-1";
>                                 reg = <0x00000000 0x00060000>;
> +                               read-only;
>                         };
>
>                         partition@60000 {
>                                 label = "fip-1";
>                                 reg = <0x00060000 0x007a0000>;
> +                               read-only;
>                         };
>
>                         partition@800000 {

Makes sense. However, what is the recommended interface to update
the bootloader in these partitions?

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds