From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from aa003msb.fastweb.it ([85.18.95.82]) by canuck.infradead.org with esmtp (Exim 4.72 #1 (Red Hat Linux)) id 1QBoIp-00034I-H7 for barebox@lists.infradead.org; Mon, 18 Apr 2011 13:15:48 +0000 Received: from fw.selea.com (89.96.133.2) by aa003msb.fastweb.it (8.5.016.6) id 4DA45F5900A8447C for barebox@lists.infradead.org; Mon, 18 Apr 2011 15:15:40 +0200 Received: from [192.168.100.217] (linux-xsj9.selea.lan [192.168.100.217]) by fw.selea.com (Postfix) with ESMTP id 7ED473380AB for ; Mon, 18 Apr 2011 15:15:40 +0200 (CEST) Message-ID: <4DAC397C.8090803@selea.com> Date: Mon, 18 Apr 2011 15:15:40 +0200 From: Omar Pighi MIME-Version: 1.0 References: , <20110418072941.GH14770@pengutronix.de> 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: on enviromen To: "barebox@lists.infradead.org" ... some problems on enviroment loading. (imx25 3stack board) ad the startup first time i have : devfs: wrong magic on /dev/env0 if i perform a saveenv then reset: wrong crc on env... something wrong ... if i try to update_kernel it say that it cannot find the nand.kernel partition.. but i can see the partition on dev directory... in menuconfig->generalsettings i checked only "compile in default enviroment" Thanks Omar Dott. Ing. Omar Pighi R&D Selea s.r.l. Via A.Moro 69 46015 Cicognara (MN) ITALY tel +39-0375-889091 fax +39-0375-889080 web:www.selea.com Il 18/04/2011 11:44, Greg Topmiller ha scritto: > Thank you for your response. > > Is there any way we can put code in u-boot to handle the abort? > > Thanks, > > Greg > > ________________________________________ > From: Sascha Hauer [s.hauer@pengutronix.de] > Sent: Monday, April 18, 2011 3:29 AM > To: Greg Topmiller > Cc: barebox@lists.infradead.org > Subject: Re: Imx51 processor hangs when we do an md 0xf0000000 (memory display) in u-boot > > On Sat, Apr 16, 2011 at 11:14:13AM -0700, Greg Topmiller wrote: > >> We're are using the Freescale release L2.6.31_MX51_SDK_0912_Image and >> it will do this on a Freescale Babbage board and our design. It also >> does the same thing in Linux when we mmap the address 0xf0000000 and >> try to read from it. It does not hang on the Redboot.bin image >> supplied with the Freescale SDK. The Redboot dump command displays >> some data. On the Freescale 3Stack board we get an illegal address >> error in Redboot, but it will hang in u-boot. We realize this is a >> reserved physical address but would hope that an error of some kind >> would occur rather than locking up the CPU. Could it be some sort of >> MMU initialization difference between Redboot and u-boot? >> > I have no idea how redboot maps the memory in the mmu, but barebox and > u-boot use a 1:1 mapping which results in the behaviour you see. > Accessing reserved memory can result in a abort. > > 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 > > > _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox