[PATCH v3 0/4] sunxi: SPL FIT support for 32-bit sunxi SoCs

[Jesse T]

On Tue, Oct 31, 2023 at 1:18 AM Samuel Holland <samuel at sholland.org> wrote:
>
> This series makes the necessary changes so 32-bit sunxi SoCs can load
> additional device trees or firmware from SPL along with U-Boot proper.
> Crust (SCP firmware) has support for A33 and H3, and H3 also needs to
> load an eGon blob to support CPU 0 hotplug (a silicon bug workaround).
>
> FIT unlocks more features (signatures, multiple DTBs, etc.), so enable
> it by default. A10 (sun4i) only has 24 KiB of SRAM A1, so it needs
> SPL_FIT_IMAGE_TINY. For consistency, enable that option everywhere.
>
> After this series is applied, we can increase SPL_MAX_SIZE for H6 and
> newer SoCs, both 32-bit (e.g. A50, T113) and 64-bit. I did not do that
> yet because there is some discussion to be had about the correct value:
> it must be adjusted to guarantee return-to-FEL functionality, and the
> exact adjustment depends on the sunxi-fel tool implementation.
>
> Changes in v3:
>  - Rebased and collected tags
>
> Changes in v2:
>  - Disable padding from SPL_PAD_TO
>  - Rely on binman min-size instead of using explicit offsets
>  - Use Kconfig for firmware addresses instead of an #ifdef staircase
>
> Samuel Holland (4):
>   sunxi: spl: Disable padding from SPL_PAD_TO
>   sunxi: binman: Move BL31 and SCP firmware addresses to Kconfig
>   sunxi: binman: Support FIT generation for 32-bit SoCs
>   sunxi: Enable SPL FIT loading for 32-bit SoCs
>
>  arch/arm/Kconfig               |  1 +
>  arch/arm/dts/sunxi-u-boot.dtsi | 39 ++++++++++++++++++----------------
>  arch/arm/mach-sunxi/Kconfig    | 17 +++++++++++++++
>  common/spl/Kconfig             |  6 ++----
>  4 files changed, 41 insertions(+), 22 deletions(-)
>
> --
> 2.41.0
>

Acked-by: Jesse Taube <Mr.Bossman075 at gmail.com>

Looks good!