From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthias Fuchs Date: Thu, 23 Aug 2007 10:59:18 +0200 Subject: [U-Boot-Users] Protect an area in RAM In-Reply-To: References: Message-ID: <200708231059.19124.matthias.fuchs@esd-electronics.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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.