Re: [Buildroot] [PATCH 1/1] boot/uboot: fix binman failure

[Christian Stewart via buildroot <buildroot@buildroot.org>]

Hi Julien, Dario,

Julien Olivain <ju.o@free.fr> writes:
> I don't think this is the right fix for this issue.
>
> U-Boot Makefile is using the "SCP" variable here:
> https://source.denx.de/u-boot/u-boot/-/blob/v2025.01/Makefile#L1411
>
> According the the "binman" documentation:
> https://source.denx.de/u-boot/u-boot/-/blob/v2025.01/tools/binman/entries.rst#L1727
>
> This SCP is the "System Control Processor firmware blob".
>
> Buildroot exports a SCP variable here:
> https://gitlab.com/buildroot.org/buildroot/-/blob/2024.11.1/package/pkg-download.mk#L18
>
> The value is set here:
> https://gitlab.com/buildroot.org/buildroot/-/blob/2024.11.1/Config.in#L134
>
> BR2_SCP corresponds to the SSH Secure File Copy command:
> https://man.openbsd.org/scp
>
> which has nothing to do with the System Control Processor firmware
> binman is expecting. So this is an unfortunate name clash.
>
> There is few defconfigs using BR2_TARGET_UBOOT_CUSTOM_MAKEOPTS to
> workaround this. See for example:
> https://gitlab.com/buildroot.org/buildroot/-/blob/2024.11.1/configs/orangepi_zero_plus2_defconfig#L45

This worked to fix the issue for me on bananapi m3:

# https://lore.kernel.org/buildroot/96b69abb843dc7292777c64f6787f134@free.fr/
# https://gitlab.com/buildroot.org/buildroot/-/blob/2024.11.1/configs/orangepi_zero_plus2_defconfig#L45
# https://github.com/skiffos/SkiffOS/issues/325
BR2_TARGET_UBOOT_CUSTOM_MAKEOPTS="SCP=/dev/null"

Thanks,
Christian Stewart
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