From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.72 #1 (Red Hat Linux)) id 1P0rPE-0000oF-ID for barebox@lists.infradead.org; Wed, 29 Sep 2010 07:48:49 +0000 Date: Wed, 29 Sep 2010 09:48:46 +0200 From: Sascha Hauer Message-ID: <20100929074846.GE23406@pengutronix.de> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: Failing to load Barebox Environment To: Gaurav Singh Cc: barebox@lists.infradead.org Hi Gaurav, On Wed, Sep 29, 2010 at 12:20:20PM +0530, Gaurav Singh wrote: > Hi all, > Currently I'm trying to load a barebox environment image from NAND > storage but can't load it correctly. > > I have given the path of my environment in the config : > > CONFIG_CONSOLE_FULL=y > CONFIG_CONSOLE_ACTIVATE_FIRST=y > # CONFIG_OF_FLAT_TREE is not set > CONFIG_PARTITION=y > CONFIG_DEFAULT_ENVIRONMENT=y > CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/arm/boards/cartesio-evb2065/env/bin" > > After registering the NAND device I prepared a couple of Bad Block > aware partitions : > > devfs_add_partition("nand0", 0x00000, 0x200000, PARTITION_FIXED, "self_raw"); > dev_add_bb_dev("self_raw", "self0"); > devfs_add_partition("nand0", 0x200000, 0x200000, PARTITION_FIXED, "env_raw"); > dev_add_bb_dev("env_raw", "env0"); > > On compilation I get a barebox environment image - barebox_default_env. > Flashed this image to the env0 partition via DFU - > dfu -V 1 -P 24 /dev/env0 Have you tried doing a cp /dev/env0 /somefile at this point? Have you erased /dev/env0 before doing the dfu command? > > From host sent the barebox_default_env (the default_env file is page > alinged) via DFU to the NAND. > > The flashing worked fine. > > But now when I re-boot the system : > > barebox 2010.09.0-00003-ge5727b1-dirty (Sep 27 2010 - 17:18:50) > > Board: STMicroelectronics EVB2065 with Cartesio Plus > NAND device: Manufacturer ID: 0x2c, Chip ID: 0x48 (Micron NAND 2GiB 3,3V 8-bit) > Scanning device for bad blocks > Malloc space: 0x00860000 -> 0x00e60000 (size 6 MB) > Stack space : 0x00850000 -> 0x00858000 (size 32 kB) > > > This system is stuck at this point. Investigating further - I see that > we are stuck at > in the common/environment.c > int envfs_load(char *filename, char *dir) > { > ... > buf = xmalloc(size); > buf_free = buf; > ret = read(envfd, buf, size); - Stuck here > > I'm wondering why this read is failing. Could the developers shed some > light on this ? Can you confirm that the read ends in your nand driver? Does your nand driver work properly? Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox