Hi Andreas,
On 9/4/2013 8:30 PM, Andreas Bießmann wrote:
>Yes, we need libbch.
>
>If we really want to enable software BCH support. It also need add
>following two options in board configuration file.
>---8>---
>#define CONFIG_NAND_ECC_BCH
>#define CONFIG_BCH
>---<8---
>
>So, this patch give us option to enable software BCH.
got it. So the NAND_ECC_BCH is the adoption for the SW BCH correction in
mtd layer. I understand that this would be helpful for at91 SoC without
PMECC HW. But there is no user currently, so I hesitate to apply this.
Frankly, there is no EK boards from Atmel use software BCH now, however,
a lot of customers use NAND with 224 bytes OOB, can not use software
ECC, they need use software BCH.
So, I think it is better to apply this patch. If it will break the rule
of u-boot, then I think we can wait real user in u-boot need this and
then apply this patch.
Best regards
Andreas Bießmann
Best Regards,
Bo Shen
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