From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ladislav Michl Date: Mon, 29 Nov 2004 10:17:47 +0100 Subject: [U-Boot-Users] Re: U-boot on OMAP 1510 Innovator board In-Reply-To: <20041129085637.56430.qmail@web41012.mail.yahoo.com> References: <20041129085637.56430.qmail@web41012.mail.yahoo.com> Message-ID: <20041129091746.GA5558@simek> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Mon, Nov 29, 2004 at 12:56:36AM -0800, riya punjabi wrote: > Truly speaking I don't know exactly how the U-boot > booting process happens, I mean i don't know how it is > loaded in differrent stages and where.... Can you plz > suggest some tutorial for the same....I couldn't find > one. See README, Wiki and sources... > I had changed TEXT_BASE since I assumed that after > power-on the system reads from location 0x00000000. So > I had changed the TEXT_BASE address so that the system > would read from location 0x00000000 where I have > placed my u-boot. That's wrong. U-Boot copies itself into RAM and then executes from there. So either use external or internal (as I do) RAM address. See also u-boot.lds (linker script) and cpu/arm925t/start.S what happens here. Regards, ladis