On Mon, Jan 10, 2011 at 1:21 PM, Jason Liu <liu.h.ja...@gmail.com> wrote: > Hi, Tiago Maluta, > > 2011/1/10 Tiago Maluta <tiago.mal...@gmail.com>: >> Hi, >> >> I'm facing ECC errors when flashing u-boot on NAND on MX51EVK-based >> board. U-Boot "nand write" command doesn't fill out-of-band (OOB) >> bytes correctly. I noted this behavior after compare the same >> u-boot.bin image flashed via ATK (proprietary software from >> Freescale). I guess is something related to ECC timing. >> >> my logs: >> http://farm6.static.flickr.com/5130/5320148028_7da19d3cf2_o.png >> http://www.coding.com.br/wp-content/uploads/2011/01/nand-dump-fail.txt >> http://www.coding.com.br/wp-content/uploads/2011/01/nand-dump-ok.txt > > I have looked at your log and it turns out that the issued is caused that BI > SWAP unbalance when you do NAND read and write. BI SWAP is used to > keep the NAND bad block indicator out of factory, otherwise, the bad block > indicator will be overwritten with user data. >
What's your suggestion(s) to fix that? By now I'm comparing with $KERNEL/drivers/mtd/nand/mxc_nand.c [1] to see how to add NFC v3 support on u-boot code. [1] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob_plain;f=drivers/mtd/nand/mxc_nand.c;h=214b03afdd482920adda308e51088092d884a2d1;hb=0c21e3aaf6ae85bee804a325aa29c325209180fd --tm _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
