1 Hsow to use U-Boot on Engicam GEAM6UL and Is.IoT MX6UL Starter Kit: 2 ------------------------------------------------------------------- 3 4 $ make mrproper 5 6 - Configure U-Boot for Engicam GEAM6UL: 7 $ make imx6ul_geam_mmc_defconfig 8 9 - Configure U-Boot for Engicam Is.IoT MX6UL: 10 $ make imx6ul_isiot_mmc_defconfig 11 12 - Build U-Boot 13 $ make 14 15 This will generate the SPL image called SPL and the u-boot-dtb.img. 16 17 - Flash the SPL image into the micro SD card: 18 19 sudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync 20 21 - Flash the u-boot-dtb.img image into the micro SD card: 22 23 sudo dd if=u-boot-dtb.img of=/dev/mmcblk0 bs=1k seek=69; sync 24 25 - Jumper settings: 26 27 MMC Boot: JM3 Closed 28 29 - Connect the Serial cable between the Starter Kit and the PC for the console. 30 (J28 is the Linux Serial console connector) 31 32 - Insert the micro SD card in the board, power it up and U-Boot messages should 33 come up. 34
