From: Scott Wood <scottwood@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] 4-bit ECC (BCH) support for NAND
Date: Tue, 9 Aug 2011 13:33:47 -0500 [thread overview]
Message-ID: <4E417D8B.9090106@freescale.com> (raw)
In-Reply-To: <CD1B567EF015FE41B29FF476B8600DDD21D96CDED9@vsrv-mail01.newtechgroup.local>
On 08/09/2011 04:41 AM, Hitz, Christian wrote:
> Hi,
>
> we are looking to change the NAND flash part on our custom board
> (AT91SAM9G20-EK based). The new part requires at least a 4-bit ECC
> algorithm (e.g. BCH). As our processor has no hardware ECC
> capabilities the ECC has to be calculated in software.
>
> The Linux kernel has support for BCH ECC since 2.6.39. Has U-Boot
> support for this kind of ECC algorithm? E.g. Could we use U-Boot to
> write a kernel and rootfs with matching ECC into the flash?
It has not been aded to U-Boot yet, but U-Boot's NAND code is derived
from Linux's, so it shouldn't be too hard to bring the Linux BCH code over.
-Scott
prev parent reply other threads:[~2011-08-09 18:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-09 9:41 [U-Boot] 4-bit ECC (BCH) support for NAND Hitz, Christian
2011-08-09 18:33 ` Scott Wood [this message]
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