u-boot/doc/README.rockchip

17    - Firefly RK3288 board or something else with a supported RockChip SoC
19    - Separate USB serial cable attached to your computer and the Firefly
35    - Firefly RK3288 - use firefly-rk3288 configuration
58    - Firefly RK3399 - use the firefly_rk3399 configuration
91    CROSS_COMPILE=arm-linux-gnueabi- make O=firefly firefly-rk3288_defconfig all
109    ./firefly-rk3288/tools/mkimage -n rk3288 -T rkimage -d \
110 	./firefly-rk3288/spl/u-boot-spl-dtb.bin out && \
132    ./firefly-rk3288/tools/mkimage -n rk3288 -T rksd -d \
133 	firefly-rk3288/spl/u-boot-spl-dtb.bin out && \
135    sudo dd if=firefly-rk3288/u-boot-dtb.img of=/dev/sdc seek=16384
170    ./firefly-rk3288/tools/mkimage -n rk3288 -T rksd -d \
171 	firefly-rk3288/spl/u-boot-spl-dtb.bin out && \
172    cat firefly-rk3288/u-boot-dtb.bin >> out && \
314 [4] http://wiki.t-firefly.com/index.php/Firefly-RK3288/Serial_debug/en