Wolfgang Denk wrote: > Dear "Michele De Candia (VT)", > > In message <49d23e30.4060...@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). > Hi Mr. Denk, thanks for the suggestions, we've already picked up Martha Marx patches and they work fine on ADS5121. We want to avoid DDR identification by board revisions because we don't know which DDR will be used in the future and it isn't a flexible way to do that. After all, if it is the only way, we'll use this one.
Thanks, Michele De Candia > Best regards, > > Wolfgang Denk > > -- *Michele Jr **De Candia* ------------------------------------------------------------------------ Value Team Via Vespri Siciliani, 9 20146 Milano Tel. +39 0248985722 michele.decan...@valueteam.com <mailto:michele.decan...@valueteam.com> http://www.valueteam.com CONFIDENTIALITY NOTICE -This message and its attachments (if any) may contain confidential, proprietary or legally privileged information and is intended only for the use of the addressee named above. No confidentiality or privilege is waived or lost by any mistransmission. If you are not the intended recipient of this message you are hereby notified that you must not use, disseminate, copy it in any form or take any action in reliance on it. If you have received this message in error please delete it and any copies of it and kindly inform the sender of this e-mail by replying or go to www.valueteam.com <http://www.valueteam.com> on 'contacts'. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot