From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexandre Gambier Date: Wed, 09 Feb 2011 17:16:37 +0100 Subject: [U-Boot] Can't erase or read NOR using mtd part-id In-Reply-To: <201102091710.25170.alexander.stein@systec-electronic.com> References: <4D52B843.5010004@ftemaximal.fr> <201102091710.25170.alexander.stein@systec-electronic.com> Message-ID: <4D52BDE5.7040508@ftemaximal.fr> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hello, thanks for your reply. I'm running u-boot 1.3.1. I got it from STLinux. I will try to set CONFIG_JFFS2. But does it mean it will erase the partition using JFFS2 ? Will it support to read and write the environment settings with this file format ? Alex On 02/09/2011 05:10 PM, Alexander Stein wrote: > Hello, > > On Wednesday 09 February 2011, 16:52:35 Alexandre Gambier wrote: >> I'm using u-boot to boot a Linux-based device. > Which version og u-boot are you running? > >> I created some MTD partitions for my NOR and NAND flashes. >> >> Here is the configuration: >> >> device nor0, # parts = 4 >> #: name size offset mask_flags >> 0: U-Boot 0x00080000 0x00000000 0 >> 1: Environment 0x00020000 0x00080000 0 >> 2: Kernel 0x00400000 0x000a0000 0 >> 3: FreeNOR 0x00360000 0x004a0000 0 >> >> device nand0, # parts = 2 >> #: name size offset mask_flags >> 0: FS 0x02000000 0x00000000 0 >> 1: FreeNAND 0x06000000 0x02000000 0 >> >> active partition: nor0,0 - (U-Boot) 0x00080000 @ 0x00000000 >> >> defaults: >> mtdids : nor0=NOR,nand0=NAND >> mtdparts: >> mtdparts=NOR:512k(U-Boot),128k(Environment),4M(Kernel),-(FreeNOR);NAND:32M( >> FS),-(FreeNAND) >> >> When I want to erase the U-Boot partition I can't use the command `erase >> U-Boot`, the following error occurs : "incorrect device type in U-Boot". >> I must use the command `erase 1:0-7`. >> >> Is-it normal ? > Some old version also had to set CONFIG_JFFS2 to get erase& friends to accept > mtdparts. > > HTH > Alexander >