Thank you for the response. It took me a while to reply because I have
been testing different combinations of PSP images, as you suggested
that mixing different PSP firmware is not expected to work.

>From the logs I can see:
  [DEBUG] Family_Model: 00a50f00

So this is Cezanne silicon, not Renoir.

Unfortunately, I have not been able to boot my board using the default
binaries available under amd_blobs, so I am currently forced to use NDA
binaries. Also note that the board uses SO-DIMM memory rather than
soldered-down memory.

I have tried to replace as many binaries as possible with default ones.
However, the following PSP components appear to be irreplaceable on my
platform:
* TypeId0x01_PspBootLoader_AB_Stage1_CZN.sbin
* TypeId0x01_PspBootLoader_CZN.sbin
* TypeId0x02_PspOS_CZN.sbin

At this point I am not sure what else to try. Any ideas would be
appreciated.

On Thu, 4 Dec 2025 15:00:45 +0100
Felix Held <[email protected]> wrote:

> Hi,
> 
> The Cezanne FSP binaries are only expected to work on Cezanne
> silicon; not sure if you're trying this on Renoir or Cezanne. The
> Cezanne FSP expects that the corresponding Cezanne PSP firmware from
> the same repo is used; mixing some different PSP firmware with the
> Cezanne FSP isn't expected to work. I don't remember if in that case
> things will fail inside FSP-M or FSP-S though. This isn't exactly an
> FSP issue, but a combining mismatching parts issue. Only the
> soldered-down memory configuration is tested with Cezanne; this
> shouldn't result in the symptoms you described though. Both the
> Chromebooks and the Cezanne reference board worked when I tried that
> the last time, but that was quite a while ago.
> 
> Regards,
> Felix
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-- 
Joursoir
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