dtb:
	@echo "making device tree ...."
	mkdir -p $(BR_STAGING)/dtb/
	mkdir -p $(BR_STAGING)/buildroot/images/
	$(BR_STAGING)/cross/usr/bin/fdtdump $(BR_STAGING)/buildroot/build/rpi-firmware-*/boot/$(DTB_BASE).dtb > $(BR_STAGING)/dtb/$(DTB_BASE).dts
	cat $(BR_STAGING)/dtb/$(DTB_BASE).dts | tail -n +2 > $(BR_STAGING)/dtb/$(DTB_BASE).dti
	cp dts/*.dt* $(BR_STAGING)/dtb/
	$(BR_STAGING)/cross/usr/bin/dtc -O dtb -o $(BR_STAGING)/buildroot/images/$(BR_PROJECT_NAME).dtb -i $(BR_STAGING)/dtb/ $(BR_STAGING)/dtb/$(BR_PROJECT_NAME).dts