Am Sonntag, 11. Februar 2018, 13:20:07 CET schrieb Vagrant Cascadian: > On 2018-02-11, Rainer Dorsch wrote: > > I try to use a custom device tree file, but uEnv.txt does not have any > > effect: > > > > rd@mohot:~$ cat /boot/uEnv.txt > > fdtfile=imx6dl-hummingboard-spi.dtb > > ... > > > Do I need to run flash-kernel or something else that uEnv.txt has any > > effect? > I don't believe the u-boot in Debian or mainline supports uEnv.txt for > the hummingboard variants. Or any of the variants supported in Debian's > u-boot package, though I haven't looked closely. > > Try adding the following to /etc/flash-kernel/ubootenv.d/fdtfile: > > setenv fdtfile imx6dl-hummingboard-spi.dtb > > And running flash-kernel to regenerate the boot script. >
Thanks for your quick answer Vagrant. In case I try to boot a broken dtb (kernel does not boot), is there a way back to the previous dtb? Thanks Rainer -- Rainer Dorsch http://bokomoko.de/