From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from az33egw02.freescale.net (az33egw02.freescale.net [192.88.158.103]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "az33egw02.freescale.net", Issuer "Thawte Premium Server CA" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id DE1F8B7C33 for ; Sat, 27 Feb 2010 05:36:21 +1100 (EST) Date: Fri, 26 Feb 2010 12:35:59 -0600 From: Scott Wood To: Peter Pan Subject: Re: Does Linux 2.6.32 support NAND flash connect with MPC8247 through localbus with GPCM mode? Message-ID: <20100226183559.GA17941@loki.buserror.net> References: <48abf2c21002251808v4d40ea42s869b1307dfc3817@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <48abf2c21002251808v4d40ea42s869b1307dfc3817@mail.gmail.com> Cc: linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, Feb 26, 2010 at 10:08:09AM +0800, Peter Pan wrote: > I'm recently porting Linux 2.6.32 to our custom board with MPC8247. We have a > NAND flash connected using GPCM mode of local bus. But after I search > through the Linux > source, there is no compatible like "fsl,gpcm-nand". And I can not > find any driver > that seems works for our scene. There isn't one. I was not under the impression that such a configuration was even possible (how do you control ALE/CLE, for example?). There is a NAND driver that uses UPM, though -- perhaps you could use that? How specifically is NAND connected to the SoC on your board? What about it suggests GPCM? -Scott