On Tue, Sep 29, 2015 at 5:44 PM, Robert Nelson <[email protected]> wrote: > On Tue, Sep 29, 2015 at 5:39 PM, Chris R <[email protected]> > wrote: >> Hi All, >> I needed to modify my MLO and U-boot.img files in order to 1) chage DDR >> settings (I am using a different DDR chip than the stock BB chip), and also >> to configure autoboot settings. >> >> I cloned u-boot, changed the settings I needed to change, compiled U-Boot >> and copied MLO and U-Boot.img to the correct partition on my bootable MMC >> card. >> >> The BB boots fine from the SD card, with auto-boot configured as I want it >> to be, and also the RAM settings are fine. >> >> However, when I try to clone my image onto the MMC, boot hangs up with the >> error shown in the subject line. >> >> If I clone my image from the SD card to the MMC without my modified U-Boot, >> the Beagle Bone works fine. SO, in summary: >> >> my modified u-boot files work fine when booting from SD card. >> >> I can clone my SD card to the MMC of the BB an it works fine, using DD from >> an image file. >> >> I can not clone my SD card to the MMC with the modified u-boot files... it >> will not boot in that circumstance. >> >> I have tried running the script located at >> https://github.com/RobertCNelson/tools/tree/master/scripts to copy the SD >> card to the MMC (errors out with not enough space on device when copying). I >> have also tried loading the files through tftpboot, and still get the same >> error. I suspect that I have to change some setting in U-boot which has to >> do with load addresses, but not sure where/how to do this. >> >> Any help would be apprectiated! My boot messages are below: >> >> U-Boot SPL 2015.10-rc3-00297-g1a9c229-dirty (Sep 25 2015 - 18:11:28) > >> [ 1.001020] VFS: PARTUUID= is invalid. >> [ 1.001020] Expected PARTUUID=<valid-uuid-id>[/PARTNROFF=%d] >> [ 1.010925] Disabling rootwait; root= is invalid. > > So, this is expected... After "2015.10-rc3" u-boot added the partuuid > patchset.. I have an idea how to safely use it, but it's untested > right now. > > Just checkout v2015.10-rc3 and make your changes for the moment, don't > go beyond it..
for reference, this is what your fighting past rc3: http://git.denx.de/?p=u-boot.git;a=blob;f=include/configs/ti_armv7_common.h;hb=HEAD#l61 i have an idea for utilizing it, but still being compatible with older uEnv.txt setups.. Regards, -- Robert Nelson https://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.
