From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Denk Date: Tue, 27 May 2014 12:48:20 +0200 Subject: [U-Boot] Statically allocate a range of physical memory to an OS image. In-Reply-To: <1401177091915-180825.post@n7.nabble.com> References: <1401177091915-180825.post@n7.nabble.com> Message-ID: <20140527104820.6CE0A3801AC@gemini.denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Dear "mazen.e", In message <1401177091915-180825.post@n7.nabble.com> you wrote: > > I want to execute a an OS (either Linux or Android) on the Arndale exynos > 5250 board. The board features 2 GB of RAM. However, I want to statically > alloacate a specifc region of RAM (e.g. 1 GB) to be used by the OS, While > the other 1 GB is reserved for other purposes. If you boot an OS, you don;t reserve any memory in U-Boot at all. At the moment U-Boot branches to the OS entry point, U-Boot is dead and gone, including any memory alocation information that might have been present in U-Boot. It is then up to the OS to set up it's own memory manegement. Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de Every solution breeds new problems.