1.从github下载最新u-boot
2.安装依赖包
sudo apt install build-essential gcc-aarch64-linux-gnu bison flex python3-setuptools swig python3.10-dev libssl-dev bc device-tree-compiler
3.建立build.sh
#!/bin/sh
make ARCH=arm CROSS_COMPILE=aarch64-linux-gnu- evb-rk3568_defconfig
make ARCH=arm CROSS_COMPILE=aarch64-linux-gnu-