Thanks for the quick backup tip. What command do I run if I want to install a new u-boot while the Bone is running? I don't see it on either the FAT or ext4 partition.
--Mark On Friday, October 17, 2014 11:56:12 AM UTC-4, RobertCNelson wrote: > > On Fri, Oct 17, 2014 at 10:54 AM, Robert Nelson <[email protected] > <javascript:>> wrote: > > On Fri, Oct 17, 2014 at 10:51 AM, Mark A. Yoder <[email protected] > <javascript:>> wrote: > >> I see on the recent test images[1] that u-boot and MLO are handled > >> differently than before[2]. You copy u-boot.img and MLO using: > >> > >> dd if=MLO of=/dev/sdX count=1 seek=1 conv=notrunc bs=128k > >> dd if=u-boot.img of=/dev/sdX count=2 seek=1 conv=notrunc bs=384k > >> > >> > >> I want to try my own u-boot, but before overwriting working copy I'd > like to > >> back it up. Does this work? > >> > >> bone$ dd if=/dev/mmcblk1boot1 of=u-boot.img.bak count=2 seek=1 bs=384k > >> bone$ dd if=/dev/mmcblk1boot0 of=MLO.bak count=1 seek=1 bs=128k > >> > >> When updating u-boot, do I also need to update MLO? > >> > >> Can I update a running Bone with? > >> > >> dd if=MLO of=/dev/mmcblk1boot0 count=1 seek=1 conv=notrunc bs=128k > >> dd if=u-boot.img of=/dev/mmcblk1boot1 count=2 seek=1 conv=notrunc > bs=384k > > > > Oh, we don't use the eMMC "boot" aka: "/dev/mmcblkXbootY" locations. I > > don't think ti's bootrom on even the newest cortex parts support that > > partition either... > > btw, there should be backup version located here: > > /opt/backup/uboot/ > > > https://github.com/RobertCNelson/omap-image-builder/blob/master/tools/setup_sdcard.sh#L997 > > > Regards, > > -- > Robert Nelson > http://www.rcn-ee.com/ > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
