1*ab38bf6aSMarcin NiestrojHow to use U-Boot on Grinn's chiliBoard 2*ab38bf6aSMarcin Niestroj-------------------------------------- 3*ab38bf6aSMarcin Niestroj 4*ab38bf6aSMarcin Niestroj- Build U-Boot for chiliBoard: 5*ab38bf6aSMarcin Niestroj 6*ab38bf6aSMarcin Niestroj$ make mrproper 7*ab38bf6aSMarcin Niestroj$ make chiliboard_defconfig 8*ab38bf6aSMarcin Niestroj$ make 9*ab38bf6aSMarcin Niestroj 10*ab38bf6aSMarcin NiestrojThis will generate the SPL image called MLO and the u-boot.img. 11*ab38bf6aSMarcin Niestroj 12*ab38bf6aSMarcin Niestroj- Flash the SPL image into the micro SD card: 13*ab38bf6aSMarcin Niestroj 14*ab38bf6aSMarcin Niestrojsudo dd if=MLO of=/dev/mmcblk0 bs=128k; sync 15*ab38bf6aSMarcin Niestroj 16*ab38bf6aSMarcin Niestroj- Flash the u-boot.img image into the micro SD card: 17*ab38bf6aSMarcin Niestroj 18*ab38bf6aSMarcin Niestrojsudo dd if=u-boot.img of=/dev/mmcblk0 bs=128k seek=3; sync 19*ab38bf6aSMarcin Niestroj 20*ab38bf6aSMarcin Niestroj- Jumper settings: 21*ab38bf6aSMarcin Niestroj 22*ab38bf6aSMarcin NiestrojS2: 1 1 1 0 1 0 23*ab38bf6aSMarcin Niestroj 24*ab38bf6aSMarcin Niestrojwhere 0 means bottom position and 1 means top position (from the 25*ab38bf6aSMarcin Niestrojswitch label numbers reference). 26*ab38bf6aSMarcin Niestroj 27*ab38bf6aSMarcin Niestroj- Insert the micro SD card in the board. 28*ab38bf6aSMarcin Niestroj 29*ab38bf6aSMarcin Niestroj- Connect USB cable between chiliBoard and the PC for the power and console. 30*ab38bf6aSMarcin Niestroj 31*ab38bf6aSMarcin Niestroj- U-Boot messages should come up. 32