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readme.txt 1278ddf908 init buildroot source 3 years ago

readme.txt

***************************
Freescale i.MX6UL EVK board
***************************

This file documents the Buildroot support for the Freescale i.MX6UL EVK board.

Please read the i.MX6UL Evaluation Kit Quick Start Guide [1] for an
introduction to the board.

Build
=====

First, configure Buildroot for your i.MX6UL EVK board:

In order to to do so there are two supported options:

make freescale_imx6ulevk_defconfig

if you plan to use NXP provided U-Boot and kernel.

or

make imx6ulevk_defconfig

if you plan to use mainline U-Boot and mainline kernel.

Build all components:

make

You will find in ./output/images/ the following files:
- imx6ul-14x14-evk.dtb
- rootfs.ext4
- rootfs.tar
- sdcard.img
- u-boot.imx
- zImage

Create a bootable microSD card
==============================

To determine the device associated to the microSD 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 microSD 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/imx/genimage.cfg.template.

Boot the i.MX6UL EVK board
=========================

To boot your newly created system (refer to the i.MX6UL EVK Quick Start Guide
[1] for guidance):
- insert the microSD card in the microSD slot of the board;
- verify that your i.MX6UL EVK board jumpers and switches are set as mentioned
in the i.MX6UL EVK Quick Start Guide [1];
- put a micro USB cable into the Debug USB Port and connect using a terminal
emulator at 115200 bps, 8n1;
- power on the board.

Enjoy!

References
==========
[1] http://cache.freescale.com/files/32bit/doc/quick_start_guide/IMX6ULTRALITEQSG.pdf