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