From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25552 invoked by alias); 27 Jan 2005 09:53:20 -0000 Mailing-List: contact ecos-devel-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Post: List-Help: , Sender: ecos-devel-owner@sources.redhat.com Received: (qmail 25422 invoked from network); 27 Jan 2005 09:53:09 -0000 Received: from unknown (HELO londo.lunn.ch) (80.238.139.98) by sourceware.org with SMTP; 27 Jan 2005 09:53:09 -0000 Received: from lunn by londo.lunn.ch with local (Exim 3.36 #1 (Debian)) id 1Cu6Kp-0006p6-00; Thu, 27 Jan 2005 10:53:07 +0100 Date: Thu, 27 Jan 2005 09:53:00 -0000 To: Raghu Cc: ecos Subject: Re: Strata Flash mappings for non continous flash devices Message-ID: <20050127095307.GB26130@lunn.ch> References: <20050127093253.5605.qmail@web40428.mail.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050127093253.5605.qmail@web40428.mail.yahoo.com> User-Agent: Mutt/1.5.6+20040907i From: Andrew Lunn X-SW-Source: 2005-01/txt/msg00027.txt.bz2 On Thu, Jan 27, 2005 at 01:32:53AM -0800, Raghu wrote: > Hello All, > > I have two I28F640J3C as ( x16 )device, on the IXP425, > mapped at addresses > "0x50000000" and "0x51000000" with Chip selects CS0 > and CS1. > CS0, 0xC4000000 = 0xBFFF3842 > CS1, 0xC4000004 = 0xBFFF3842. > > I am able to use the Flash device mapped on CS0, and I > need to use the same Flash routines for CS1 chip. > > How can we handle such cases where we have memory hole > since the flash devices are not continously mapped. The current flash code cannot handle this. However there is a new development of the flash code in a CVS branch can handle this setup. Checkout the cvs branch flash_v2. Note that this branch is still under development. The interfaces may change etc and there are probably still bugs... Andrew