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

[Wadim Egorov]

Am 30.01.25 um 16:51 schrieb Tom Rini:
> On Thu, Jan 30, 2025 at 09:48:19AM +0000, Martin Schwan wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA256
>>
>> 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.
> 

Any other comments on the RAUC bootmeth idea?