Below is the layout for sd card booting. Remember to use dd if=spl/sunxi-spl.bin of=/dev/sdX bs=1024 seek=8 ; dd if=u-boot.bin of=/dev/sdX bs=1024 seek=32 to flash spl & u-boot into sd card sector start size  0    0   8KB   Unused, available for partition table etc.  16   8   32KB  Initial SPL loader  80   […]