From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from pentafluge.infradead.org (pentafluge.infradead.org [213.146.154.40]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 6E81967A2E for ; Tue, 23 May 2006 08:20:54 +1000 (EST) Subject: Re: Viable PPC platform? From: David Woodhouse To: Wolfgang Denk In-Reply-To: <20060522221556.E60273526CA@atlas.denx.de> References: <20060522221556.E60273526CA@atlas.denx.de> Content-Type: text/plain; charset=UTF-8 Date: Mon, 22 May 2006 23:21:00 +0100 Message-Id: <1148336460.10288.37.camel@shinybook.infradead.org> Mime-Version: 1.0 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 Tue, 2006-05-23 at 00:15 +0200, Wolfgang Denk wrote: > But then, a 400 MHz Geode is a bit faster than a 50 MHz 8xx, probably > not only in terms of CPU performance but also in terms of memory > bandwidth. It's actually NAND flash, and the bandwidth sucks (the flash controller on the Geode companion chip is quite slow). We're getting about 3 MiB/s from it, although we _ought_ to be able to get 3½. I'm playing with JFFS2 some more before I go back to tweaking the NAND drivers though. -- dwmw2