Building

Preparation

• A Linux host PC: Ubuntu-14.04 64-bit is recommended.
• Cross compile toolchain for U-Boot:

sudo apt-get install gcc-4.9-aarch64-linux-gnu

• Cross compile toolchain for BL301:

sudo apt-get install gcc-arm-none-eabi

Get the source code

• Create the project workbase:

install -d ~/project/khadas/

• Clone the source code:

cd ~/project/khadas/
git clone https://github.com/khadas/u-boot.git

Building steps

Go to source code base:

cd ~/project/khadas/u-boot

• Remove all the generated files if necessary:

make mrproper

• KVim Configure:

make kvim_defconfig

• Compile:

make CROSS_COMPILE=aarch64-linux-gnu-

This step will generate the some images all located in the fip directory, all these images named as u-boot.bin as prefix.

Reference:

Our working environment for reference:

• Host PC: Ubuntu-14.04
• Toolchain for u-boot: aarch64-linux-gnu-gcc version 4.9.3
• Toolchain for BL301: arm-none-eabi-gcc version 4.8.2