On Wednesday 17 March 2010 12:10:52 pm Jon Povey wrote: [...]
> Çaglar AKYÜZ wrote: > > My experience was latest u-boot was consistent with latest kernels > > but ubl(and rbl) was using a different layout thus no ubl updates > > from kernel or u-boot which is not good. > > No that is not good.. We would really like to be able to write the ubl from > linux. I wonder if we can write raw and calculate the ECC ourselves in > software for the RBL a.k.a. "wrong" style. > > If u-boot was incompatible with ubl, did you use u-boot to write itself? I > am wondering how ubl read u-boot if u-boot was written with different > layout. > TI flash programming utility writes ubl and u-boot. Since ubl reads u-boot into nand no problem occurs there. > > When transiting from an > > older u-boot(or kernel) to a newer one nand bbt should be erased or > > new u-boot will mark all pages bad. > > Did you find it was just the bbt format that had changed, or the ECC layout > inside each page? > I guess ECC was different because ubl was not reading anything written by u- boot(or kernel). That was where I lost track of all. Infix ECC, different layouts supported by newer chips, etc. Regards, Caglar > >> bye! ( happy to know that NAND with git will continue to be a pain ) > > > > A little, not that much. > > I hope not too much.. > > Thanks, > _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
