U-Boot issue

[Heinrich Schuchardt]

On 17.08.20 11:59, 0x5c4r3 wrote:
> Hello guys,
> I am Matteo Peruzzi, a cyber-security expert.
> I am currently working on a project, creating a root of trust on RPI 2
> using a TPM2 module and U-Boot.

Contributions to U-Boot to support TPM2 on Raspberry would be very
welcome. A further gap in U-Boot is support for the EFI TPM2 Protocol
(cf.
https://trustedcomputinggroup.org/wp-content/uploads/EFI-Protocol-Specification-rev13-160330final.pdf).

> I noticed that in the latest update, u-boot has an issue: it does not

Are you referring to U-Boot v2020.10-rc5?

> detect my USB keyboard connected to the RPI (if I use an early version it
> works, no problems), so I am not able to interrupt the autobooting and
> communicate with u-boot. Are you planning to solve this in further updates?
> Also, I am not able to use the UART because it uses the same pins used by
> the TPM2 module.

Is this the LetsTrust TPM module?

>
> Thanks for your time, if you need more details just text me.

board/raspberrypi/rpi/MAINTAINERS indicates Matthias as maintainer for
Raspberry.

Cc: Matthias

Best regards

Heinrich

>
> Thanks
>
> Matteo Peruzzi
>