u-boot-sunxi-a20-olinuxino_micro_fel-20140826T034212-77d9cc5/ u-boot-sunxi-a20-olinuxino_micro_fel-20140826T034212-77d9cc5/u-boot-spl.bin u-boot-sunxi-a20-olinuxino_micro_fel-20140826T034212-77d9cc5/u-boot.bin