From mboxrd@z Thu Jan 1 00:00:00 1970 From: Timur Tabi Date: Mon, 07 Aug 2006 15:39:22 -0500 Subject: [U-Boot-Users] 83xx address translation: is it really necessary? In-Reply-To: <0E97C602-62E4-4358-AA7D-0194CF60D199@kernel.crashing.org> References: <1628E43D99629C46988BE46087A3FBB96434D5@ep-01.EmbeddedPlanet.local> <0E97C602-62E4-4358-AA7D-0194CF60D199@kernel.crashing.org> Message-ID: <44D7A4FA.4050507@freescale.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Kumar Gala wrote: > There is a performance improvement from using address translation. Can you explain that? Obviously, just translating the addresses can't improve performance, especially since the translated addresses have the same numerical value, so there must be some side-effect. > You > need to make sure you are setting up the BATs properly for your address > map. Well, I'm using the same BATs as the 8349EMDS, so I don't know what the right BATs are. -- Timur Tabi Linux Kernel Developer @ Freescale