1How to use U-Boot on PHYTEC phyBOARD-i.MX6UL-Segin 2-------------------------------------------------- 3 4- Configure and build U-Boot for phyCORE-i.MX6UL: 5 6 $ make mrproper 7 $ make phycore_pcl063_defconfig 8 $ make 9 10 This will generate SPL and u-boot-dtb.img images. 11 12- The SPL and u-boot-dtb.img images need to be flashed into the micro SD card: 13 14 $ sudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync 15 $ sudo dd if=u-boot-dtb.img of=/dev/mmcblk0 bs=1k seek=69; sync 16 17- Jumper settings: 18 19 JP1: Open: Boot from NAND 20 Closed: Boot from SD/MMC1 21 22- Connect the Serial cable to UART0 and the PC for the console. 23 24- Insert the micro SD card in the board and power it up. 25 26- U-Boot messages should come up. 27