[PATCH 1/2] bootstd: Add implementation for bootmeth rauc

[Tom Rini]

On Thu, Jan 30, 2025 at 09:48:19AM +0000, Martin Schwan wrote:
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> On Wed, 2025-01-29 at 10:03 -0600, Tom Rini wrote:
> > On Wed, Jan 29, 2025 at 03:25:25PM +0100, Martin Schwan wrote:
> > > Add a bootmeth driver which supports booting A/B system with RAUC
> > > as
> > > their update client.
> > > 
> > > Signed-off-by: Martin Schwan <m.schwan at phytec.de>
> > > ---
> > >  boot/Kconfig         |  11 ++
> > >  boot/Makefile        |   1 +
> > >  boot/bootmeth_rauc.c | 408
> > > +++++++++++++++++++++++++++++++++++++++++++++++++++
> > >  3 files changed, 420 insertions(+)
> > 
> > I'm curious, what would be required to have this work for any block
> > device, rather than just "mmc" ? Just a lack of time / testing / this
> > is
> > v1 and that's a future idea? Or is there something more fundamental
> > required within bootstd/bootmeths ? Thanks!
> > 
> 
> Besides MMC, RAUC supports updating SSDs and raw NAND flash [1].
> 
> I guess there should be very little to no adjustments necessary to
> support SSDs (probably only adjust checks).
> 
> For raw NAND flash and using UBI volumes, this would require some
> additional code calling the correct read operations, but is definitely
> possible. I did not implement it yet because of lack of time and
> verification, as you correctly guessed.
> 
> Network devices are not supported for obvious reasons.

Thanks for elaborating.

-- 
Tom
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