On Wed, Aug 21, 2019 at 7:52 PM Raul Rangel <[email protected]> wrote:
>
> You can grep for commits containing b:65442212 or b:111610455 to see the work 
> required to remove AGESA from bootblock.

Thanks!

Some of that seems very SoC or hardware specific. I think we will go
ahead with a bootblock that does nothing else but sets up CAR and
finds a romstage.elf to jump into. At this time verstage is not a
requirement so we'll just ignore any LPC or SPI PAD configurations TPM
might need.

In general, changes from amd/stoneyridge do not apply to previous
binaryPI builds. A different set of modifications to StoneyPI were
made in comparison to the changes that SAGE had previously made to
MullinsPI, KaveriPI and CarrizoPI. Also AMD rolled out a custom PSP
firmware build for Chromebooks? So it is possible the implementation
of AGESAv5 API we have for amd/stoneyridge is only compatible with the
modified StoneyPI source tree and the modified PSP firmware. And the
PSP mailbox APIs are not exactly the same across different SoCs
either.

Regards,
Kyösti Mälkki
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