1*c9e40e65SMarcin NiestrojHow to use U-Boot on Grinn's liteBoard 2*c9e40e65SMarcin Niestroj-------------------------------------- 3*c9e40e65SMarcin Niestroj 4*c9e40e65SMarcin Niestroj- Build U-Boot for liteBoard: 5*c9e40e65SMarcin Niestroj 6*c9e40e65SMarcin Niestroj$ make mrproper 7*c9e40e65SMarcin Niestroj$ make liteboard_defconfig 8*c9e40e65SMarcin Niestroj$ make 9*c9e40e65SMarcin Niestroj 10*c9e40e65SMarcin NiestrojThis will generate the SPL image called SPL and the u-boot.img. 11*c9e40e65SMarcin Niestroj 12*c9e40e65SMarcin Niestroj- Flash the SPL image into the micro SD card: 13*c9e40e65SMarcin Niestroj 14*c9e40e65SMarcin Niestrojsudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync 15*c9e40e65SMarcin Niestroj 16*c9e40e65SMarcin Niestroj- Flash the u-boot.img image into the micro SD card: 17*c9e40e65SMarcin Niestroj 18*c9e40e65SMarcin Niestrojsudo dd if=u-boot.img of=/dev/mmcblk0 bs=1k seek=69; sync 19*c9e40e65SMarcin Niestroj 20*c9e40e65SMarcin Niestroj- Jumper settings: 21*c9e40e65SMarcin Niestroj 22*c9e40e65SMarcin NiestrojS1: 0 1 0 1 1 1 23*c9e40e65SMarcin Niestroj 24*c9e40e65SMarcin Niestrojwhere 0 means bottom position and 1 means top position (from the 25*c9e40e65SMarcin Niestrojswitch label numbers reference). 26*c9e40e65SMarcin Niestroj 27*c9e40e65SMarcin Niestroj- Insert the micro SD card in the board. 28*c9e40e65SMarcin Niestroj 29*c9e40e65SMarcin Niestroj- Connect USB cable between liteBoard and the PC for the power and console. 30*c9e40e65SMarcin Niestroj 31*c9e40e65SMarcin Niestroj- U-Boot messages should come up. 32