Thus: u-boot> ums 0 mmc 1 UMS: LUN 0, dev 1, hwpart 0, sector 0x0, count 0x1d34000. Setenv bootcmd 'mmc init fatload mmc 0 0x82000000 boot. Where the USB device number is always 0 and the mmc device number is the one you discovered when running mmc list. Sudo sh -c 'zcat ubuntu-11.04-preinstalled-netbook-armel+ > /dev/sdc' This screenshot explain what's happened (the same error reported on this discussion) : Setenv bootcmd 'mmc init fatload mmc 0 0x82000000 boot.scr source 0x82000000' setenv autostart yes saveenv boot On a serial console connected to the system, halted the autoboot script and typed : On omap3 systems with a modified NAND (i.e. img.gz > /dev/sdc'Ĥ.Ran Putty on the host computer (running on Ubuntu 10.10 x86) using these parameters :ī) Set the communications settings to 115200 8N1.Į) Turned on the Beagle Board and followed the instructions explained at the bottom of this page : Sudo sh -c 'zcat ubuntu- 11.04-preinstal led-netbook- armel+omap. img.gzġ.Inserted the SD card in my host computer's SD card reader. I'm trying to install Ubuntu Natty on the beagle board rev c4.Ġ.Got the Ubuntu Natty image from : cdimage. Instances of mmc init 0, should be changed to mmc rescan 0 Setenv bootcmd "if mmc rescan 0 then if run loadbootscript then run bootscript else if run loaduimage then run mmcboot else run nandboot fi fi else run nandboot fi" Look specifically for something of the form:īootcmd=if mmc init 0 then if run loadbootscript then run bootscript else if run loaduimage then run mmcboot else run nandboot fi fi else run nandboot fi These variables are examined with printenv. The commands for using SD cards, eMMC flash and USB mass storage devices (hard drives, flash drives, card readers, etc) are all very similar. If this occurs you likely need to update your uboot environment variables. When upgrading your beagle board to using a version of uboot later or equal to U-Boot 2010.12 (04:46:52), you may encounter a problem that manifests itself with system being unable to boot from SD and exhibits an error of the form: The root cause to this issue was the update to uboot which needed the saved environment to be changed from using the old command mmc init. In order to do so I had to change my environment to the following:īootcmd=if mmc init 1 then if run loadbootscript then run bootscript else if run loaduimage then run mmcboot else run nandboot fi fi else run nandboot fi I've been able to get my older SD card with 10.10 installed on it to boot. On power up of the board the following log and error is observed: tar.gz -binary Downloads/ linaro- natty-alip- tar-20110124- 0.tar.gz Linaro-media-create -mmc /dev/sdc -dev beagle -rootfs ext3 -hwpack Downloads/ hwpack_ linaro- omap3-x11- base_20110124- 0_armel_ supported. Using hwpack dated Jan 24th, for omap3-x11 and rootfs image was the Jan 24th alip. Latest linaro-media-create from bzr (pull from this morning CST Jan 24,2011)
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |