1 comment:
File src/mainboard/google/volteer/variants/volteer/Makefile.inc:
Different modules have different CAS latencies,
In my understanding, those CAS latencies are derived based on some other attributes of the memory part. Have we really identified those set of attributes?
Are you suggesting that we change those fields from what the vendor has specified for their part, trying to find a common setting that works for all? That doesn't sound feasible to me without having a working sample of each possible memory module to experiment with. I could guess at common timing settings, but if we guess and are wrong, it could cause issues for a factory build.
I am not saying that we should just guess the values. If there are differences, we should talk to Intel about that to understand why those differences are present and what are the prime attributes that those rely on. Else, we will never be able to come up with true generic SPDs.
Let me know what route you want us to take here.
I think the first step should be to identify what memory characteristics matter in differentiating any given memory part.
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