[U-Boot] [PATCH 1/1] Secure Boot: Set NPSWA_EN bit for SNVS state transition to happen in EL2.

[york sun]

On 02/15/2017 04:23 AM, Udit Agarwal wrote:
> For Layerscape chasis Gen 3 based platforms, during PPA execution
> exception level transition happens from EL3 to EL2. While in EL2 state
> SNVS state doesnot changes from secure to non secure state in
> case of ESBC failure.
>
> So to enable the SNVS transition in EL2 state, NPSWA_EN bit has to be set
> when in EL3 state.

Wouldn't this be better implemented in PPA firmware?

York