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********************************************* Buildroot for Engicam i.CoreM6 SOM platforms: ********************************************* This file documents the Buildroot support for Engicam i.CoreM6 platform boards. i.CoreM6 Quad/Dual/DualLite/Solo SOM Starter kits: https://www.engicam.com/vis-prod/101120 i.CoreM6 Quad/Dual/DualLite/Solo Open Frame 10.1 C.TOUCH kits: https://www.engicam.com/vis-prod/101133 This configuration uses U-Boot mainline and kernel mainline. Build ===== First, configure Buildroot for the Engicam i.CoreM6: make engicam_imx6qdl_icore_defconfig Build all components: make You will find the following files in output/images/: - imx6q-icore.dtb (for i.CoreM6 Quad/Dual) - imx6dl-icore.dtb (for i.CoreM6 DualLite/Solo) - imx6q-icore-ofcap10.dtb (for i.CoreM6 Quad/Dual ofcap 10) - imx6q-icore-ofcap12.dtb (for i.CoreM6 Quad/Dual ofcap 12) - rootfs.ext4 - rootfs.tar - sdcard.img - SPL - u-boot-dtb.img - uImage Create a bootable SD card ========================= To determine the device associated to the SD 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 a SD card. Launch the following command as root: dd if=output/images/sdcard.img of=/dev/<your-sd-device> sync *** WARNING! This will destroy all the card content. Use with care! *** For details about the medium image layout, see the definition in board/engicam/icorem6/genimage.cfg Boot the i.CoreM6 boards with SD boot: ===================================== To boot your newly created system: - insert the SD card in the SD slot of the board; - connect 3-wire RS232 serial port J28 on board, and connect with other serial end or USB cable(if serial-to-usb converter used) using a terminal emulator at 115200 bps, 8n1; - close JM3 for sd boot. - power on the board. Testing graphics on i.CoreM6: ============================ Build with support for Etnaviv, Qt5 and demo applications: make engicam_imx6qdl_icore_qt5_defconfig make Running kmscube # kmscube -D /dev/dri/card1 Running glmark2-es2-drm # glmark2-es2-drm Running Qt5 Cinematic Demo: - for i.CoreM6 Starter Kit # export QT_QPA_EGLFS_KMS_CONFIG=/root/imx6qdl-icore.json - for i.CoreM6 ofcap10 # export QT_QPA_EGLFS_KMS_CONFIG=/root/imx6qdl-icore-ofcap10.json - for i.CoreM6 ofcap12 # export QT_QPA_EGLFS_KMS_CONFIG=/root/imx6qdl-icore-ofcap12.json # CinematicExperience-demo Enjoy!