***************************** Technexion i.MX6UL Pico board ***************************** This file documents the Buildroot support for the Technexion i.MX6UL Pico board. Build ===== First, configure Buildroot for the i.MX6UL Pico board: make imx6ulpico_defconfig Build all components: make You will find in output/images/ the following files: - imx6ul-pico-hobbit.dtb - rootfs.ext4 - rootfs.tar - sdcard.img - u-boot.imx - zImage Create a bootable SD card ========================= In the U-Boot prompt lauch: => ums 0 mmc 0 This will mount the eMMC content in the host PC as a mass storage device. To determine the device associated to the eMMC card have a look in the /proc/partitions file: cat /proc/partitions Buildroot prepares a bootable "sdcard.img" image in the output/images/ directory, ready to be dumped on the eMMC card. Launch the following command as root: dd if=output/images/sdcard.img of=/dev/ *** WARNING! This will destroy all the card content. Use with care! *** For details about the medium image layout, see the definition in board/freescale/common/genimage.cfg.template. Boot the i.MX6UL Pico board ========================= To boot your newly created system: - put a micro USB cable into the Debug USB Port and connect using a terminal emulator at 115200 bps, 8n1; - power on the board. Using Wifi ========== # modprobe brcmfmac # iwconfig wlan0 essid ACCESSPOINTNAME # wpa_passphrase ACCESSPOINTNAME > /etc/wpa.conf (enter the wifi password and press enter) # wpa_supplicant -Dwext -iwlan0 -c /etc/wpa.conf & # udhcpc -i wlan0 # ping buildroot.org Enjoy!