From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from natpost.webmailer.de ([192.67.198.65] helo=post.webmailer.de) by pentafluge.infradead.org with esmtp (Exim 3.22 #1 (Red Hat Linux)) id 17LSIW-0001PO-00 for ; Fri, 21 Jun 2002 18:34:12 +0100 Content-Type: text/plain; charset="iso-8859-1" From: Thomas Gleixner Reply-To: gleixner@autronix.de To: "Steve Tsai" , "Linux MTD mailing list" Subject: Re: NAND FLASH Date: Fri, 21 Jun 2002 19:29:55 +0200 References: <000001c21946$329fbe10$50021ea3@synso.com.tw> In-Reply-To: <000001c21946$329fbe10$50021ea3@synso.com.tw> MIME-Version: 1.0 Message-Id: <02062119295500.01023@linuxtest> Content-Transfer-Encoding: 8bit Sender: linux-mtd-admin@lists.infradead.org Errors-To: linux-mtd-admin@lists.infradead.org List-Help: List-Post: List-Subscribe: , List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: On Friday, 21. June 2002 19:07, Steve Tsai wrote: > Do I use GPIO to control CE? Because I use memory-map-io to connnect to > nand flash, if CE can not use to address the chip, I have to use other > design to address the flash chip. Thanks. Yep you statically apply CE. Then the processing is done, then CE is released. That's the way, how nand.c handles this. And it handles it correct. > 1. CE should be a static signal > 2. please read http://www.linux-mtd.infradead.org/tech/nand.html > 3. Use the latest code from mtd-cvs > 4. Read one of the board specific nand drivers to setup your own -- Thomas ________________________________ Thomas Gleixner - autronix automation http://www.autronix.de gleixner@autronix.de