[PATCH v2] arm: xea: Modify board code to generate single binary u-boot

[Simon Glass]

On Mon, 25 Oct 2021 at 03:12, Lukasz Majewski <lukma at denx.de> wrote:
>
> This change provides the possibility to build XEA (imx287 based) board
> U-Boot as a single binary (without support for CONFIG_SPL_FRAMEWORK).
>
> The generated u-boot.sb can be used in the factory environment to for
> example perform initial setup or HW testing.
>
> It can be used with 'uuu' utility
> (SDPS: boot -f /srv/tftp/xea/u-boot.sb)
>
> In the configs/imx28_xea_defconfig one needs to disable following configs:
> # CONFIG_SPL_BLK is not set
> # CONFIG_SPL_FRAMEWORK is not set
>
> The board_init_ll() is used in arch/arm/cpu/arm926ejs/mxs/start.S, which
> is utilized when CONFIG_SPL_FRAMEWORK is disabled.
>
> However, when it is enabled - the arch/arm/cpu/arm926ejs/start.S is used,
> which requires the lowlevel_init() function.
>
> Signed-off-by: Lukasz Majewski <lukma at denx.de>
>
> ---
>
> Changes in v2:
> - Use CONFIG_IS_ENABLED(FRAMEWORK) instead of #ifdef CONFIG_SPL_FRAMEWORK
>   (previous version used CONFIG_IS_ENABLED(SPL_FRAMEWORK), which was
>    wrong).
> - Restructure spl_xea.c code to be more readable
>
>  board/liebherr/xea/spl_xea.c | 8 ++++++++
>  board/liebherr/xea/xea.c     | 3 ++-
>  2 files changed, 10 insertions(+), 1 deletion(-)

Reviewed-by: Simon Glass <sjg at chromium.org>