OK, finally there is a downloadable image for the BeagleBoard. It is available at
http://en.opensuse.org/Build_Service/op ... 0ARM#Links (or my mirror without countdown and ads at
http://roxen.integrity.hu/pub/opensuse/arm/ ). With a little work it also boots fine on the iMX515 devel board (v1.0).
I extracted the files from the image (kpartx & Co.), and copied to the microSD card. It came with an unknown root password, which I replaced with the one I had on my machine (vi /etc/shadow, empty password does not work). Also, there are many kernel module directories under /lib/modules, which can be safely deleted and one can add the directory coming originally with the board.