MX6X Udoo Neo board http://www.udoo.org/udoo-neo/ To build a minimal support for these boards: $ make mx6sx_udoo_neo_defconfig $ make Buildroot prepares a bootable "sdcard.img" image in the output/images/ directory, ready to be dumped on an SD card: dd if=output/images/sdcard.img of=/dev/ For details about the medium image layout, see the definition in board/freescale/common/imx/genimage.cfg.template_no_boot_part_spl.