U-Boot loader and related files for the Sopine SPI Flash. To install this bootloader on the spi flash just do from a running sopine system: dd if=/usr/local/share/u-boot/u-boot-sopine-spi/u-boot-sunxi-with-spl.bin of=/dev/flash/spi0 bs=64k conv=sync U-boot environment variables are save in the flash and not in the fat partition. You can also use the flasher image dd if=/usr/local/share/u-boot/u-boot-sopine-spi/sopine-spi-flasher.img of=/path/to/sdcard Boot the sdcard on the sopine/pine64-lts and it will erase and populate the spi flash with this u-boot. Since there is no led that we can flash do indicate that flashing is done the best way to know it to connect an uart adapter or hdmi monitor. For information about running FreeBSD on Allwinner boards, see https://wiki.freebsd.org/FreeBSD/arm/Allwinner WWW: https://www.denx.de/wiki/U-Boot