BR2_csky=y BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y BR2_TOOLCHAIN_EXTERNAL_URL="https://github.com/c-sky/tools/raw/master/csky-linux-tools-x86_64-glibc-linux-4.9.2-20170227.tar.gz" BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="csky-linux" BR2_TOOLCHAIN_EXTERNAL_GCC_4_5=y BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_9=y BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y BR2_TOOLCHAIN_EXTERNAL_CXX=y BR2_TOOLCHAIN_EXTERNAL_GDB_SERVER_COPY=y BR2_TARGET_GENERIC_GETTY_PORT="ttyS0" BR2_LINUX_KERNEL=y BR2_LINUX_KERNEL_CUSTOM_TARBALL=y BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/c-sky/linux-4.9.y/archive/314c498ddc8c43a66ca96ff3af7da98e10fa1cc6.tar.gz" BR2_LINUX_KERNEL_DEFCONFIG="gx66xx" BR2_LINUX_KERNEL_DTS_SUPPORT=y BR2_LINUX_KERNEL_INTREE_DTS_NAME="gx6605s" BR2_TARGET_ROOTFS_EXT2=y