From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.10]) by ozlabs.org (Postfix) with ESMTP id 7A1DDB70B3 for ; Fri, 9 Oct 2009 22:42:33 +1100 (EST) To: Vineeth _ From: Wolfgang Denk Subject: Re: linux booting fails on ppc440x5 with SRAM MIME-Version: 1.0 Content-type: text/plain; charset=ISO-8859-1 In-reply-to: References: <1253742018.7103.333.camel@pasglop> Date: Fri, 09 Oct 2009 13:33:38 +0200 Message-Id: <20091009113338.2B7E3E84EBC@gemini.denx.de> Cc: Johnny Hung , linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Dear Vineeth _, In message you wrote: > We ported the uboot Memory test and tested the 15MB ram and it was > successful.interestingly we have only 16MB SRAM in our board.We used 1 Such a memory test means nothing. The only thing you can learn from it is that basic read and write accesses are working. You don;t get any information about the behaviour for burst mode accesses from such a test. See the FAQ at http://www.denx.de/wiki/view/DULG/LinuxCrashesRandomly and at http://www.denx.de/wiki/DULG/UBootCrashAfterRelocation Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@denx.de I mean, I . . . think to understand you, I just don't know what you are saying ... - Terry Pratchett, _Soul Music_