Hi folks, Trying to move from TI beta SDK MV kernel + u-boot, to git on DM355. I find I am reopening the can of worms that is NAND ECC and filesystem choice.
We have been using YAFFS2, but I seem to remember some incompatibilities between UBL, u-boot and Linux's ideas of how the ECC should work. I vaugely recall some things (u-boot?) ignoring ECC errors on write, or somesuch. Also the ECC layout was not as specified by the chip manufacturer (512 byte chunks of data followed by ECC instead of 2K + ECC) Having booted a new kernel and apparently messed up my NAND flash somehow (lots of bad blocks, clobbered BBTs; investigating), I am looking for any clues about what might have changed in terms of NAND/ECC handling, and also what filesystem people are using with the git kernel on DM355 NAND - YAFFS2? JFFS2? UBIFS (which I don't know much about)? I had a look on the wiki but didn't turn up much. Hints or war stories appreciated, thanks. -- Jon Povey jon.po...@racelogic.co.uk Racelogic is a limited company registered in England. Registered number 2743719 . Registered Office Unit 10, Swan Business Centre, Osier Way, Buckingham, Bucks, MK18 1TB . The information contained in this electronic mail transmission is intended by Racelogic Ltd for the use of the named individual or entity to which it is directed and may contain information that is confidential or privileged. If you have received this electronic mail transmission in error, please delete it from your system without copying or forwarding it, and notify the sender of the error by reply email so that the sender's address records can be corrected. The views expressed by the sender of this communication do not necessarily represent those of Racelogic Ltd. Please note that Racelogic reserves the right to monitor e-mail communications passing through its network _______________________________________________ Davinci-linux-open-source mailing list Davinci-linux-open-source@linux.davincidsp.com http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
