u-boot-sunxi-a20-olinuxino_micro_fel-20140503T104229-3f5ff92/ u-boot-sunxi-a20-olinuxino_micro_fel-20140503T104229-3f5ff92/u-boot-spl.bin u-boot-sunxi-a20-olinuxino_micro_fel-20140503T104229-3f5ff92/u-boot.bin