From: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] Protect an area in RAM
Date: Thu, 23 Aug 2007 10:59:18 +0200 [thread overview]
Message-ID: <200708231059.19124.matthias.fuchs@esd-electronics.com> (raw)
In-Reply-To: <DC6F86A94046A64094043D44A3A708F7A148D4@sestoex02.enea.se>
Hi Markus,
perhaps CONFIG_PRAM (protected RAM) is what you need.
See README for details.
Matthias
On Thursday 23 August 2007 10:30, Markus Malmgren wrote:
> Hi,
>
>
>
> Many hardware manufactures provide their development platform with
> u-boot. I was wondering if there is a feature (did not find anything) in
> u-boot to protect a specific area in the RAM from being overwritten when
> u-boot boots a microcontroller? The reason for this is that we store
> debug information between restarts from our software and using u-boot
> this is destroyed.
>
>
>
> If this feature does not exist, one general solution would be to add a
> system parameter in which areas that are not to be destroyed could be
> added as a default feature of u-boot. Would this be a feature that
> others need as well? If so I will start to investigate what could be
> done.
next prev parent reply other threads:[~2007-08-23 8:59 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-23 8:30 [U-Boot-Users] Protect an area in RAM Markus Malmgren
2007-08-23 8:59 ` Matthias Fuchs [this message]
2007-08-23 10:41 ` Wolfgang Denk
2007-08-23 12:32 ` Markus Malmgren
2007-08-23 19:21 ` Wolfgang Denk
2007-08-24 10:38 ` Markus Malmgren
2007-08-24 16:03 ` Wolfgang Denk
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