U-boot bch4_sw vs omap bch4_hw

Ivan Djelic ivan.djelic at parrot.com
Sat Dec 8 03:29:35 EST 2012

On Fri, Dec 07, 2012 at 03:26:06PM +0000, jean-philippe francois wrote:
> Hi Ivan,
> I have applied your patches for hardware bch ecc support on
> OMAP. On the linux side, everything is fine. However I have some trouble
> when it comes to u-boot and kernel interoperability.
> A nand page written with bch4_sw ecc by U-boot fails the ecc step when
> read by the kernel. Looking at a nanddump, OOB placement and size of
> the ecc data are the same.
> Do you know of any patch for u-boot that would make the  bch4_sw ecc
> identical to the kernel one ?

Hi Jean-Philippe,

If you point me to a git repo with the exact u-boot version you are using,
I can probably provide a patch (or at least understand the problem).

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