You can hack the u-boot source code, basically detect how many mmc interfaces you have found, and choose according to your needs.
On Mon, Jan 21, 2019 at 4:32 PM Tarmo Kuuse <tarmo.ku...@gmail.com> wrote: > Hi Markus, > > On Saturday, 19 January 2019 20:53:56 UTC+2, maram....@googlemail.com > wrote: >> >> Hallo, >> >> I would like to use the sd card as extended harddrive to keep data on it. >> But, whenever I reboot the BBB (Debian 9) it will try to boot from sd card, >> even if this is not marked as bootable. How to solve the problem? >> >> Kind regards >> Markus >> > > You haven't described how "try to boot" does not work for you. Does the SD > boot succeed or does it fail, are there any error messages, etc. > > Do you have a bootable image on the eMMC? In my experience U-Boot is > configured to attempt to boot from SD card whenever it finds anything > bootable on it. This happens regardless of the state of the Boot button. I > also suspect partition flags (bootable, non-bootable) are not honored. > > Anyway, I've re-partitioned and formatted my SD cards - after that my BB-s > happily boot from eMMC. > > -- > Kind regards, > Tarmo > > -- > 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 beagleboard+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/eda29260-4da7-405b-ac15-172645226651%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/eda29260-4da7-405b-ac15-172645226651%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- Yiling Cao http://ariaboard.com/ http://shanghainovotech.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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAMMUdp%2Bisv4sAnQPWyROkUWA8Wwbz3e_4R8Qu6OQ9WO5K00E_Q%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.