# Uboot ## Basic Compile ### Install cross-compile toolchain Download from: https://releases.linaro.org/components/toolchain/binaries/latest/arm-linux-gnueabihf/ excute follow cmd to install: ~~~ wget https://releases.linaro.org/components/toolchain/binaries/latest/arm-linux-gnueabihf/gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf.tar.xz tar xvf gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf.tar.xz mv gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf /opt/ vim /etc/bash.bashrc # add: PATH="$PATH:/opt/gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf/bin" arm-linux-gnueabihf-gcc -v sudo apt-get install device-tree-compiler ~~~ ### Download&Compile Uboot ~~~ git clone https://github.com/Lichee-Pi/u-boot.git -b v3s-current #or git clone https://github.com/Lichee-Pi/u-boot.git -b v3s-spi-experimental cd u-boot make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- LicheePi_Zero_800x480LCD_defconfig #or make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- LicheePi_Zero480x272LCD_defconfig #or make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- LicheePi_Zero_defconfig make ARCH=arm menuconfig time make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- 2>&1 | tee build.log ~~~ After success compile, u-boot-sunxi-with-spl.bin is generated， And you can burn it to 8K offset to boot。