[PATCH v2 0/2] am335x: failsafe bootloader update

Tom Rini trini at konsulko.com
Wed Feb 11 19:26:39 CET 2026


On Thu, 29 Jan 2026 11:54:31 +0100, Rasmus Villemoes wrote:

> Make it possible to update the (whole) bootloader on am335x robustly,
> i.e. so that a power failure or random OOM killing of the update
> process or other interruptions do not result in a bricked board.
> 
> The order the trial bits gets set is somewhat odd, but is clearly what
> happens, and somebody else trying to reverse engineer the ROM code has
> observed the same thing: See the TracingVectors.ods in
> https://github.com/sjgallagher2/am335xbootrom .
> 
> [...]

Applied to u-boot/next, thanks!

[1/2] am335x: add support for loading u-boot from multiple offsets
      commit: 589d0a687b020fa6000afec454ec82f192613ed5
[2/2] doc: am335x: document use of CONFIG_SPL_AM33XX_MMCSD_MULTIPLE
      commit: a672456d4b2bd216dcfe9d09fb5fbce2b013735a
-- 
Tom




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