1*a187559eSBin MengHow to use U-Boot on Freescale MX6UL 14x14 EVK 2d6be30feSFabio Estevam----------------------------------------------- 3d6be30feSFabio Estevam 4*a187559eSBin Meng- Build U-Boot for MX6UL 14x14 EVK: 5d6be30feSFabio Estevam 6d6be30feSFabio Estevam$ make mrproper 7d6be30feSFabio Estevam$ make mx6ul_14x14_evk_defconfig 8d6be30feSFabio Estevam$ make 9d6be30feSFabio Estevam 10d6be30feSFabio EstevamThis will generate the SPL image called SPL and the u-boot.img. 11d6be30feSFabio Estevam 12d6be30feSFabio Estevam- Flash the SPL image into the micro SD card: 13d6be30feSFabio Estevam 14d6be30feSFabio Estevamsudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync 15d6be30feSFabio Estevam 16d6be30feSFabio Estevam- Flash the u-boot.img image into the micro SD card: 17d6be30feSFabio Estevam 18d6be30feSFabio Estevamsudo dd if=u-boot.img of=/dev/mmcblk0 bs=1k seek=69; sync 19d6be30feSFabio Estevam 20d6be30feSFabio Estevam- Jumper settings: 21d6be30feSFabio Estevam 22d6be30feSFabio EstevamSW601: 0 0 1 0 23d6be30feSFabio EstevamSw602: 1 0 24d6be30feSFabio Estevam 25d6be30feSFabio Estevamwhere 0 means bottom position and 1 means top position (from the 26d6be30feSFabio Estevamswitch label numbers reference). 27d6be30feSFabio Estevam 28d6be30feSFabio Estevam- Connect the USB cable between the EVK and the PC for the console. 29d6be30feSFabio Estevam(The USB console connector is the one close the push buttons) 30d6be30feSFabio Estevam 31*a187559eSBin Meng- Insert the micro SD card in the board, power it up and U-Boot messages should 32d6be30feSFabio Estevamcome up. 33