Hi Pekon, 2014/1/13 Gupta, Pekon <pe...@ti.com>: > Hi Enric, > >> >>Hi Pekon, >> >>2013/12/10 Gupta, Pekon <pe...@ti.com>: >>> Hi Enric, >>> >>> Sorry I missed your earlier mail, so din't check this.. >>> >>>>From: Enric Balletbo Serra [mailto:eballe...@gmail.com] >>>>> >>>>> I saw that the OOB layout is not the same when I flash the rootfs from >>>>> the u-boot or from the kernel. For example: >>>>> >>>>> If the rootfs is flashed from the kernel the OOB data is like that: >>>>> >>>>> U-Boot # nand dump.oob 0x680000 >>>>> Page 00680000 dump: >>>>> OOB: >>>>> ff ff 79 43 68 64 3b 80 >>>>> b2 46 49 4d 58 2a 6d ff >>>>> 52 3f 7d 2a 7f a2 98 70 >>>>> 57 32 30 35 c7 ff ff ff >>>>> ff ff ff ff ff ff ff ff >>>>> ff ff ff ff ff ff ff ff >>>>> ff ff ff ff ff ff ff ff >>>>> ff ff ff ff ff ff ff ff >>>>> >>>>> If the rootfs is flashed for the u-boot the OOB data is like data: >>>>> >>>>> Page 00680000 dump: >>>>> OOB: >>>>> ff ff 79 43 68 64 3b 80 >>>>> b2 46 49 4d 58 2a 6d 52 >>>>> 3f 7d 2a 7f a2 98 70 57 >>>>> 32 30 35 c7 ff ff ff ff >>>>> ff ff ff ff ff ff ff ff >>>>> ff ff ff ff ff ff ff ff >>>>> ff ff ff ff ff ff ff ff >>>>> ff ff ff ff ff ff ff ff >>>>> >>>>> Note that look the same except after byte number 16. In the first case is >>>>> ff 52 3f 7d 2a 7f a2 98 70 >>>>> and in the second case is >>>>> 52 3f 7d 2a 7f a2 98 70 >>>>> >>>>> It's possible that something is wrong writting the OOB data ? Any clue >>>>> ? I'm in the right direction or completely wrong ? >>>>> >>> Yes, there seems to be an mis-match between u-boot and kernel >>> ecc-layout. Give me a day's time, and I'll try to root cause this. >>> However, don't have OMAP3 boards, so I can test this only on other boards. >>> >>> with regards, pekon >> >>If I can help somehow just let me know. >> > I have posted the patches to fix this regression between u-boot and kernel. > And was expecting if you could test it confirm if this solves regression on > your > OMAP3 board. > http://lists.infradead.org/pipermail/linux-mtd/2014-January/051384.html > > You can download the patch from [1] > [1] http://lists.infradead.org/pipermail/linux-mtd/2013-December/050944.html > > > with regards, pekon
Thanks for the patches, I tested and worked for me on our OMAP3 based boards, I'll answer the mail that you sent to the linux-omap ML. Sorry for the delay, cheers, Enric _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
