make -j4 ARCH=arm CROSS_COMPILE=/home/lhq/projects/H6_uboot/toolchain/gcc-linaro-7.4.1-2019.02-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu- distclean
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交叉编译器根据自己路径修改
3)编译生成.config文件
make -j4 ARCH=arm CROSS_COMPILE=/home/lhq/projects/H6_uboot/toolchain/gcc-linaro-7.4.1-2019.02-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu- orangepi_3_defconfig
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4)编译uboot
make -j4 ARCH=arm CROSS_COMPILE=/home/lhq/projects/H6_uboot/toolchain/gcc-linaro-7.4.1-2019.02-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu- V=1