From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [85.21.88.2] (helo=mail.dev.rtsoft.ru) by canuck.infradead.org with smtp (Exim 4.52 #1 (Red Hat Linux)) id 1EOBQA-0007h8-F5 for linux-mtd@lists.infradead.org; Sat, 08 Oct 2005 05:55:28 -0400 Message-ID: <43479777.5060309@ru.mvista.com> Date: Sat, 08 Oct 2005 13:55:03 +0400 From: Vitaly Wool MIME-Version: 1.0 To: nreddy@netenrich.com References: <5080.61.95.208.3.1128750482.squirrel@61.95.208.3> In-Reply-To: <5080.61.95.208.3.1128750482.squirrel@61.95.208.3> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: linux-mtd@lists.infradead.org Subject: Re: "Timing issue when we use SPANSION 8MB Flash" List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi, am I right that it's a NOR flash? What's the reason for using JFFS2 on it then? Also questionable is whether you're sure that you have right timings configuration for the flash. I'm afraid that 8MB Spansion flash might have timing values different from 4 MB's. Best regards, Vitaly nreddy@netenrich.com wrote: >Hi , > >We are developing an embedded system with u-boot and Montavista Emebededd >linux ( Kernel Version 2.4.20). >Here we have put AMD 4MB flash and the system is working is working fine. >Recently we have increased Flash size to 8MB(SPANSION ( S29GL064M90FAIR10) >make). > >Now the system works fine but with one problem. > >When i try to copy files to /mnt/jffs2 directory it is taking very long >time(around 8 Minutes for 2.2 MB files). >But when i try to copy files on 4MB Flash (AMD(AM29LV320DT) Make) it is >taking only 1.7 Min to copy same size of files. > >Can any one throw a light on this... > >Thanks in advance, >--Nagi Reddy > > >______________________________________________________ >Linux MTD discussion mailing list >http://lists.infradead.org/mailman/listinfo/linux-mtd/ > > > >