From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from an-out-0708.google.com (an-out-0708.google.com [209.85.132.249]) by ozlabs.org (Postfix) with ESMTP id 02211DDDE7 for ; Sun, 8 Jun 2008 13:38:37 +1000 (EST) Received: by an-out-0708.google.com with SMTP id c34so349090anc.78 for ; Sat, 07 Jun 2008 20:38:29 -0700 (PDT) Message-ID: Date: Sat, 7 Jun 2008 21:38:29 -0600 From: "Grant Likely" Sender: glikely@secretlab.ca To: "Sam Karp" Subject: Re: Linux w/o UBoot from Linear Flash In-Reply-To: <800687fe0806071529j16cc360bub252c492975368ea@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 References: <800687fe0806071529j16cc360bub252c492975368ea@mail.gmail.com> Cc: linuxppc-embedded@ozlabs.org List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Sat, Jun 7, 2008 at 4:29 PM, Sam Karp wrote: > I currently have a linux ramdisk image (zImage.initrd.elf) stored in > linear flash. I also have a bit file with the xilinx EDK generated > bootloader in platform flash on an ML403. Is it neccessary to have > uboot with the linux kernel to be able to boot automatically or can i > simply alter the xilinx bootloader (if needed at all? ) U-Boot in not necessary. You can modify the xilinx bootloader to load an elf file into ram and jump into it. When you migrate to using arch/powerpc, you can use the simpleImage target which can be loaded anywhere into ram before jumping to it. Cheers, g. -- Grant Likely, B.Sc., P.Eng. Secret Lab Technologies Ltd.