iMX6 U Boot

How to build iMX6 U-Boot

Prerequisites

It is up to developer to setup arm build environment:

• Download a tool chain from Linaro
• Set environment variables:

export ARCH=arm
export CROSS_COMPILE=/usr/bin/arm-linux-gnueabihf-

• Create a folder to organize the files:

mkdir ~/imx6
cd ~/imx6

• Download the original CompuLab U-Boot & Yocto meta-layer

git clone -b v2015.07-cm-fx6-3 https://github.com/utilite-computer/u-boot.git
git clone https://github.com/compulab-yokneam/meta-compulab

• Apply patches

cd u-boot
git am ../meta-compulab/recipes-bsp/u-boot/u-boot-compulab-2015.07/*.patch

• Building the U-Boot binary

make cl_som_imx6_defconfig
make -j8 u-boot.imx

• Create a U-Boot bootable media for an alternate boot

dd if=u-boot.imx of=/dev/sdX bs=512 seek=2