Re: T113-S3: Secure Boot

[Lukas Schmid <lukas.schmid@netcube.li>]

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On Freitag, 7. November 2025 18:13:13 Mitteleuropäische Normalzeit Parthiban 
wrote:
> Hi Lukas,
Hi Parthiban
> 
> On 8/1/25 10:33 PM, Lukas Schmid wrote:
> > I’m working on enabling secure boot on the Allwinner T113-S3 (as part of
> > preparing my SoM design for EU CRA compliance).
> > 
> > I’ve successfully fused the SoC with secure boot enabled and burned the
> > ROTPK_HASH. The SoC correctly boots a TOC0-signed image from SD card, and
> > U- Boot starts up and behaves as expected.
> 
> Could you please share how this is done or may be with a document patch to
> u-boot? To add, am also in the initial analysis of adding secure boot for
> A133.
I actually do have a document on how I fused and flashed my prototype board 
here: https://nagami.readthedocs.io/en/latest/software/enable-secureboot-on-soc/

The required changes to U-Boot are already in a Patch, but I haven't heard 
anything back yet.
> 
> Thanks,
> Parthiban
Best regards,
Lukas


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