[U-Boot] "UnCorrectable RS-ECC Error" occurs when reading NAND flash under u-boot 2009.08 for i.mx25

[Scott Wood]

On Fri, 27 Aug 2010 20:35:12 -0700
<dajiang.zhong at tektronix.com> wrote:

> This is my first time of posting a message here, firstly , thanks for any
> body who builds such a nice platform give help.  In recent two weeks, I
> added a NAND flash driver support for Micron's MT29F2G08ABD (SLC;page
> size: x8 2048+64bytes; Block size: 64 pages; Device size: 2Gb) memory chip
> base on u-boot 2009.08 for i.mx25.

Could you try it on current U-Boot?  It should already have support for
i.mx25's NAND controller in drivers/mtd/nand/mxc_nand.c.

> I make a simply testing process, what I do is, firstly, I only erase page
> 0 of block 0,

You cannot erase only page 0.  You have to erase a whole block at a time.

-Scott