From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from imagateway.smiths-aerospace.com (host241-chi.smiths-group.com [65.216.75.241]) by ozlabs.org (Postfix) with ESMTP id 6737167A7C for ; Wed, 26 Jan 2005 01:37:44 +1100 (EST) Message-ID: <41F659B1.1040603@smiths-aerospace.com> Date: Tue, 25 Jan 2005 09:37:37 -0500 From: Jerry Van Baren MIME-Version: 1.0 To: chao yu References: <20050125012333.17213.qmail@web90003.mail.scd.yahoo.com> In-Reply-To: <20050125012333.17213.qmail@web90003.mail.scd.yahoo.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linuxppc-embedded@ozlabs.org Subject: Re: About I-cache and D-cache of MPC8245 List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , chao yu wrote: > Hi, All > I am a newbie in embeded system from China, recently i enable > the I-cache and D-cache of MPC8245. But it will crash. What the cause > might be? I have set the ICE and DCE filed of HID0 reg. and WIMG field > of BAT reg. Who can give me a hand? Thanks. > > Regard, > Yu.Chao Your SDRAM initialization is probably not correct. When you turn on caches, the processor starts doing burst reads of the SDRAM and that is when SDRAM initialization problems show up. gvb