1*4882a593SmuzhiyunHow to use U-Boot on Freescale MX6UL 14x14 EVK 2*4882a593Smuzhiyun----------------------------------------------- 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun- Build U-Boot for MX6UL 14x14 EVK: 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun$ make mrproper 7*4882a593Smuzhiyun$ make mx6ul_14x14_evk_defconfig 8*4882a593Smuzhiyun$ make 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunThis will generate the SPL image called SPL and the u-boot.img. 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun- Flash the SPL image into the micro SD card: 13*4882a593Smuzhiyun 14*4882a593Smuzhiyunsudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun- Flash the u-boot.img image into the micro SD card: 17*4882a593Smuzhiyun 18*4882a593Smuzhiyunsudo dd if=u-boot.img of=/dev/mmcblk0 bs=1k seek=69; sync 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun- Jumper settings: 21*4882a593Smuzhiyun 22*4882a593SmuzhiyunSW601: 0 0 1 0 23*4882a593SmuzhiyunSw602: 1 0 24*4882a593Smuzhiyun 25*4882a593Smuzhiyunwhere 0 means bottom position and 1 means top position (from the 26*4882a593Smuzhiyunswitch label numbers reference). 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun- Connect the USB cable between the EVK and the PC for the console. 29*4882a593Smuzhiyun(The USB console connector is the one close the push buttons) 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun- Insert the micro SD card in the board, power it up and U-Boot messages should 32*4882a593Smuzhiyuncome up. 33