From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Denk Date: Thu, 06 Nov 2003 00:37:13 +0100 Subject: [U-Boot-Users] help - loading linux kernel In-Reply-To: Your message of "Tue, 04 Nov 2003 20:41:45 +0200." <3FA7F2E9.5080302@il.marvell.com> Message-ID: <20031105233718.D3253C5F59@atlas.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 Ronen, in message <3FA7F2E9.5080302@il.marvell.com> you wrote: > > I have a U-Boot which is working just fine, > and I'm trying to boot a kernel(ver 2.4) image with it , > after I load the uImage to the DRAM by using the tftp as it is described > in the README file, I'm doing bootm to the uImage location, > I see that the code is getting to the kernel code , but there it get lost > after we disable the MMU in head.S. ...in other words, you see no output on the console after passing control to the Linux kernel. > Are there any special changes I should make to the Kernel in order for > it to be able to boot from the U-Boot?? > If so, where can I find a good reference for it?? Well, I think it is especially useful to read (1) the README file which comes with U-Boot (2) the FAQ section of the DULG at http://www.denx.de/twiki/bin/view/DULG/Manual Pay special attention to question "12.1.3. Linux hangs ..." at http://www.denx.de/twiki/bin/view/DULG/LinuxHangsAfterUncompressingKernel Wolfgang Denk -- Software Engineering: Embedded and Realtime Systems, Embedded Linux Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de egrep patterns are full regular expressions; it uses a fast determi- nistic algorithm that sometimes needs exponential space. - unix manuals