Dear "Michele De Candia (VT)",
In message 49D23E30.4060205@valueteam.com you wrote:
The issue concerns the possibility to identify DDR chips type (e.g. by VendorId) before initialize them. It doesn't concern configuration parameters (size, bus frequency, ecc..). There isn't a DDR command to read this information, do you think it is possible to solve this problem in other ways?
Yes, of course it is possible to solve this problem otherwise.
In a sane hardware design you can read this information from some board configuration register or so; for example, on the ADS5121 there could be such a register implemented in the CPLD. But alas, there ain't none.
Martha Marx posted pretty good patches (identifyung board revisions based on the MAC address) more than a month ago, but then failed to address the last review comments.
If you want to get that fixed, please pick up her patches (or nudge her to do it for you).
Best regards,
Wolfgang Denk