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]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4E417D8B.9090106@freescale.com \
--to=scottwood@freescale.com \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.