From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.9]) by ozlabs.org (Postfix) with ESMTP id DEAA8688A1 for ; Fri, 16 Dec 2005 21:11:04 +1100 (EST) To: batsayan.das@tcs.com From: Wolfgang Denk Mime-version: 1.0 Content-type: text/plain; charset=ISO-8859-1 In-reply-to: Your message of "Fri, 16 Dec 2005 10:19:53 +0530." Date: Fri, 16 Dec 2005 11:11:01 +0100 Sender: wd@denx.de Message-Id: <20051216101101.7B82B353416@atlas.denx.de> Cc: u-boot-users@lists.sourceforge.net, linuxppc-embedded@ozlabs.org Subject: Re: [U-Boot-Users] Help required to bring up kernel from U-Boot List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , In message you wrote: > > I copied uImage to location 0x04000000 and the Load Address=0x00000000 > and Entry point=0x00000000. The bootm 0x04000000 gives the o/p > "Transferring Control to Linux" and then nothing comes. Where is the > wrong? This is a FAQ. Please see http://www.denx.de/wiki/DULG/Faq > 1. What are the minimum information Linux needs from U-Boot to come up > properly? In the Linux source tree we have put some printk statement and > found that base address of SDRAM, size, etc are passed correctly to Linux > by U-Boot. Be careful with printk() at inappropieate places (i.e. too early). But tell me - how where you able to see anthing with printk if "nothing comes" as you write above ??? > 2. Is the info passed from U-Boot is sufficient enough to make the kernel > up? Yes, of course. It works on thousands of systems. > 3. If not, where should I concentrate in Linux tree? On your changes. And please keep this off the U-Boot list. It is off topic here. Best regards, Wolfgang Denk -- Software Engineering: Embedded and Realtime Systems, Embedded Linux Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@denx.de CONSUMER NOTICE: Because of the "Uncertainty Principle," It Is Impossible for the Consumer to Find Out at the Same Time Both Precisely Where This Product Is and How Fast It Is Moving.