How to compile the U-Boot for Rugged Board A5d2x


This guide describes a method of compile the u-boot for rugged board a5d2x.




  • Ubuntu 16.04


The following list shows what you need in order to use a Linux-based build host to build images:

  • Build Host A build host with a minimum of 50 Gbytes of free disk space that is running a supported Linux distribution (i.e. recent releases of Fedora, openSUSE, CentOS, Debian, or Ubuntu).

  • Build Host Packages Appropriate packages installed on the build host.

The Build Host Packages:

The following list shows the required packages needed to build an image that runs on QEMU in graphical mode.

Ubuntu and Debian:

$ sudo apt-get install gawk wget git-core diffstat unzip texinfo gcc-multilib \
build-essential chrpath socat libsdl1.2-dev xterm

Source Downloading:

Step1: Create a directory to download the u-boot source.

$ mkdir uboot_source
cd uboot_source

Step2: Clone uboot-rba5d2x with the proper branch.

$ git clone
$ cd uboot-rba5d2x
$ git checkout origin/uboot-rba5d2x

Step3: Before configuring the u-boot,Please run the arm environment to cross compile the downloaded u-boot source. If you dont have arm toolchain, please follow step4 to download the toolchain.

$ . /opt/poky-tiny/2.5.2/environment-setup-cortexa5hf-neon-poky-linux-musleabi

Step4: If you haven't downloaded the toolchain before please follow below link.

Download the toolchain for rugged board a5d2x

NOR Flash Compilation:

Step5: Configure the u-boot for NOR Flash of rugged board a5d2x.

$ make rugged_board_a5d2x_qspiflash_defconfig

Step6: Compile the u-boot for NOR Flash of rugged board a5d2x using below command.

$ make

SDCard Flash Compilation:

step7: Configure the u-boot for SDCard Flash of rugged board a5d2x.

$ make rugged_board_a5d2x_mmc1_defconfig

Step8: Compile the u-boot for SDCard Flash of rugged board a5d2x using below command.

$ make

Step9: After compiling the u-boot source, get the u-boot.bin in the current uboot-rba5d2x source directory.