U-Boot loader and related files for the OrangePi PC To install this bootloader on an sdcard just do: dd if=/usr/local/share/u-boot/u-boot-orangepi-pc/u-boot-sunxi-with-spl.bin of=/path/to/sdcarddevice bs=1k seek=8 conv=sync For information about running FreeBSD on Allwinner boards, see https://wiki.freebsd.org/FreeBSD/arm/Allwinner WWW: http://www.denx.de/wiki/U-Boot