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kumquat-buildroot/board/engicam/icorem6
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Arnout Vandecappelle (Essensium/Mind) f934856638 boarde: icorem6: clarify the common vs. board-specific things in readme.txt 
The parts of the readme.txt that specify the board-specific aspects
(DTB files, KMS config json file) were a bit confusing. For the DTB
files this is solved by putting the board it applies to after the DTB
file name. For the json files, this is solved by adding an extra line,
so the CinematicExperience-demo is clearly separated from the setting
of QT_QPA_EGLFS_KMS_CONFIG.

Also remove the 'for all boards' line in the beginning, it doesn't add
any value.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
2017-10-06 22:14:07 +02:00
..
rootfs_overlay/root
genimage.cfg
linux_qt5.fragment
readme.txt

readme.txt 

*********************************************
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!