From: John Stile <john@stilen.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] where is the crc stored?
Date: Fri, 21 Dec 2012 13:27:31 -0800 [thread overview]
Message-ID: <1356125251.28896.119.camel@genx> (raw)
In-Reply-To: <20121221195421.3D449200FB7@gemini.denx.de>
On Fri, 2012-12-21 at 20:54 +0100, Wolfgang Denk wrote:
> Dear John Stile,
>
> In message <1356114777.28896.92.camel@genx> you wrote:
> > What area of memory is the crc stored for a partition?
>
> Which sort of partitions are you talking here?
Maybe partition is the wrong word for a memory address region.
I am a total new-bee, but I have read there is a crc check in u-boot.
The crc check can result in a:
Warning: Bad CRC, using default environment
The crc is considered during the bootcmd.
> > I would like to find some detailed documentation on the crc (how big is
> > it, where it is stored, how to invalidate to force the booting from a
> > second area).
>
> In general, erasing the whole region will usually work ;-)
>
> Best regards,
>
> Wolfgang Denk
>
I would like to know where this crc is stored.
I would like to know is it 8-bit, 16-bit, and 32-bit, or other.
next prev parent reply other threads:[~2012-12-21 21:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-21 18:32 [U-Boot] where is the crc stored? John Stile
2012-12-21 19:54 ` Wolfgang Denk
2012-12-21 21:27 ` John Stile [this message]
2012-12-21 23:09 ` Wolfgang Denk
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