From: Sergey Matyukevich <geomatsi@gmail.com>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH 2/4] stm32mp157c_dk2: add non-trusted configuration
Date: Sun, 4 Jul 2021 18:30:44 +0300 [thread overview]
Message-ID: <YOHUJKmUgSmiMxRV@curiosity> (raw)
In-Reply-To: <20210703231606.7afe27a0@windsurf>
Hello Thomas,
> > The stm32mp157 supports two different boot chains. Trusted boot chain uses
> > TF-A firmare as FSBL and U-Boot as SSBL. Basic boot chain uses U-Boot SPL
> > as FSBL and U-Boot as SSBL. Available stm32mp157c_dk2_defconfig provides
> > image with trusted boot chain. This commit renames existing defconfig and
> > adds another defconfig for basic boot chain. Genimage template and
> > post-image script are modified to use appropriate FSBL and SSBL
> > to support both build configurations.
>
> Could you comment on the motivation to also support the non-trusted
> boot chain? ST is no longer supporting the non-trusted configuration.
> Of course, while we don't have to strictly follow vendor-defined
> rules/decision, there's the question of what is the benefit of the
> non-trusted version, and if it's worth the effort having support for
> both configurations as Buildroot defconfigs.
Well, nothing specific. It just occured to me that there are not so many
boards supporting both TF-A and SPL boot options. But if vendor no
longer supports that configuration, then indeed that effort does not
make a lot of sense. I will drop that in v2.
Regards,
Sergey
next prev parent reply other threads:[~2021-07-04 15:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-01 21:00 [Buildroot] [PATCH 0/4] stm32mp157c-dk2: non-trusted config and bsp updates Sergey Matyukevich
2021-07-01 21:00 ` [Buildroot] [PATCH 1/4] configs/stm32mp157c_dk2: bump BSP versions Sergey Matyukevich
2021-07-03 21:32 ` Thomas Petazzoni
2021-07-01 21:00 ` [Buildroot] [PATCH 2/4] stm32mp157c_dk2: add non-trusted configuration Sergey Matyukevich
2021-07-03 21:16 ` Thomas Petazzoni
2021-07-04 15:30 ` Sergey Matyukevich [this message]
2021-07-01 21:00 ` [Buildroot] [PATCH 3/4] stm32mp157c_dk2: remove uboot config fragment Sergey Matyukevich
2021-07-01 21:00 ` [Buildroot] [PATCH 4/4] stm32mp157c_dk2: fix U-Boot corruption on the first boot Sergey Matyukevich
2021-07-03 21:31 ` Thomas Petazzoni
2021-07-04 15:27 ` Sergey Matyukevich
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