On Mon, Oct 6, 2014 at 6:03 PM, <shu....@vensi.com> wrote: > > Hi, > > Our board uses arago project on it. The kernel is 3.12 and in the directory > /sys/devices/, there is no capemgr.* . Therefore, I am not able to use the > device tree overlays (.dtbo). > > We want to change the pinmux on the P8 and P9 header and also turn the > internal pull up resistor of the UART0_RX on. Therefore, we need to modify > the current beaglebone black .dtb file. > > My question are as follows: > > 1. Can I just replace the current am335x-boneblack.dtb with the new .dtb > file to make the pinmux changes? Or do i need to load the new .dtb file up > and how? > > 2. I see that there are a lot of .dtb in the /boot/ folder. How to load > different .dtb when board boots up?
Depending on your "bootloader" specify: dtb=file.dtb but you might have an "old" u-boot so use the older "fdtfile" fdtfile=file.dtb in /boot/uEnv.txt Regards, -- Robert Nelson http://www.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 beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.