[PATCH RESEND 00/28] ARM: at91: add sama5d2 first stage support

[Sascha Hauer]

On Wed, Jul 01, 2020 at 11:10:54AM +0200, Ahmad Fatoum wrote:
> [Sent out old branch by mistake, this one actually works.]
> 
> This adapts the sama5d3 first stage patch set I sent around a few times
> for use on the sama5d2. Unlike the original patch set, we now do the
> chainloading in the PBL, so integrators can still use multi-image and
> don't have to build barebox more than once.
> 
> With the FAT PBL implementation in place, first stages of the OMAP and
> SoCFPGA could also be migrated to multi-image.
> 
> Much code has been adapted from at91bootstrap v3.8.12. Key changes:
> 
>  - We detect bootsource automatically, so we don't need to hardcode
>    which MCI instance to use
>  - We pass along the bootsource, so it's available to second stage
>    bootloaders
>  - We don't reset the SD card, so we can avoid having a complete
>    SD/MMC core implementation in PBL
>  - We don't disable the watchdog in first stage. We leave the decision
>    on how to deal with it to second stage.
> 
> There's no defconfig for this yet, it will follow along with a generic
> at91_multi_defconfig, when support for the sama5d3 is posted.

Applied with the fixups you posted

Sascha

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