From: "Andreas Bießmann" <andreas.devel@googlemail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] NAND write error with HW ECC on OMAP3
Date: Wed, 04 Sep 2013 09:35:11 +0200 [thread overview]
Message-ID: <5226E2AF.6090109@gmail.com> (raw)
In-Reply-To: <CAK8F28nDPigL+WFOyqYe+G-W-zC_xfBXBYKHeULRJJ1zLS=S-w@mail.gmail.com>
Dear Ash Charles,
On 09/03/2013 09:34 PM, Ash Charles wrote:
> Hi,
>
> When using 'nandecc hw' on an OMAP3 platform, data is not being
> correctly written to NAND. I see the issue on 2013.10-rc2 and 2013.07
> but not on 2012.10. Specifically, when I read back a SPL binary
> written with hardware Hamming ECC, I don't get a matching CRC. With
> the BCH8 ECC algorithm, the CRC is correct (but SPL must be written
> with Hamming otherwise the board doesn't boot)
>
> I've shown my steps here: http://pastebin.com/tLZsr9zH
> The expected CRC is 46745188.
>
> Any suggestions/ideas much appreciated!
I'd swear this worked when I changed the command to use BCH ... I'll
check it again today.
Best regards
Andreas Bie?mann
next prev parent reply other threads:[~2013-09-04 7:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-03 19:34 [U-Boot] NAND write error with HW ECC on OMAP3 Ash Charles
2013-09-04 7:35 ` Andreas Bießmann [this message]
2013-09-04 8:54 ` Andreas Bießmann
2013-09-04 18:00 ` Ash Charles
2013-09-04 23:02 ` Ash Charles
2013-09-05 8:57 ` Andreas Bießmann
2013-09-07 1:57 ` Ash Charles
2013-09-05 8:42 ` Andreas Bießmann
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