Re: FSP-S state issue on AMD Cezanne / Renoir

Felix Held <[email protected]> Thu, 4 Dec 2025 15:00:45 +0100
Newsgroups gmane.linux.bios
Message-ID <[email protected]>
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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