1How to use U-Boot on Engicam i.CoreM6 DualLite/Solo and Quad/Dual Starter Kit: 2----------------------------------------------------------------------------- 3 4- Configure U-Boot for Engicam i.CoreM6 QDL: 5 6$ make mrproper 7$ make imx6qdl_icore_mmc_defconfig 8 9- Build for i.CoreM6 DualLite/Solo 10 11$ make 12 13- Build for i.CoreM6 Quad/Dual 14 15$ make DEVICE_TREE=imx6q-icore 16 17This will generate the SPL image called SPL and the u-boot-dtb.img. 18 19- Flash the SPL image into the micro SD card: 20 21sudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync 22 23- Flash the u-boot-dtb.img image into the micro SD card: 24 25sudo dd if=u-boot-dtb.img of=/dev/mmcblk0 bs=1k seek=69; sync 26 27- Jumper settings: 28 29MMC Boot: JM3 Closed 30 31- Connect the Serial cable between the Starter Kit and the PC for the console. 32(J28 is the Linux Serial console connector) 33 34- Insert the micro SD card in the board, power it up and U-Boot messages should 35come up. 36 37- Note: For loading Linux on Quad/Dual modules set the dtb as 38 icorem6qdl> setenv fdt_file imx6q-icore.dtb 39