Dear "Ulrich Gerster", In message <4a5c8fd30200004d00014...@hochblauen.ba-loerrach.de> you wrote: > > > Another strange thing is that I can't read from nand flash but I can = > write. > > > That's indeed strange. How do you know you can write then when you > > cannot read the data back for verification? > > Your're right. I only use NAND Flash. > At the moment I'm starting u-boot out of RAM using RedBoot. > I'm assuming that U-Boot is writing something to the NAND Flash because if > I enter a commad in U-Boot like "saveenv" or "nand write" my RedBoot is > not working anymore after that. I have to reprogramm RedBoot in the Flash > before I can boot it again.
So you just know that it's corrupting he previous content - for example, erase might be working. But you have no indication of a successful write operation, so you better do not assume that write was working. Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de Contrary to popular belief, thinking does not cause brain damage. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot