... 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@xxxxxxxxxxxxxx] > Sent: Monday, April 18, 2011 3:29 AM > To: Greg Topmiller > Cc: barebox@xxxxxxxxxxxxxxxxxxx > 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@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/barebox > > > _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
