u-boot/README.md

1.1 KiB

Caraboot

U-Boot for Carambola2 based boards

Build

  1. Build buildroot toolchain (http://buildroot.org)

Download:

git clone git://git.buildroot.net/buildroot
cd buildroot
git checkout 2015.02

Configure:

cd buildroot
cp ../buildroot.config .config
make oldconfig

In Target Options select Target Architecture as MIPS (big endian) and Target Architecture Variant as mips 32r2. In Toolchain select GCC Compiler version as gcc 4.7.x. Save and exit.

Build:

make toolchain
  1. Build Caraboot image

Download:

cd your_work_dir
git clone https://github.com/8devices/Caraboot.git

Configure: Open Caraboot Makefile and change CONFIG_TOOLCHAIN_PREFIX to your buildroot binary path, i.e CONFIG_TOOLCHAIN_PREFIX=your_work_dir/buildroot/output/host/usr/bin/mips-linux-

cd Caraboot
vi/nano/gedit Makefile

Build:

make

The bootloader binary will be saved to bin/carambola2_u-boot.bin file. You can now use this file to upgrade your bootloader on Carambola2 board (http://8devices.com/wiki/carambola:2:gettingstarted:bootloader-upgrade)