Uboot:
make ARCH=arm CROSS_COMPILE=${CC} distclean
make ARCH=arm CROSS_COMPILE=${CC} am335x_evm_defconfig
make ARCH=arm CROSS_COMPILE=${CC}
Kernel:
make ARCH=arm -j2 CROSS_COMPILE="ccache ${CC}" zImage
make ARCH=arm -j2 CROSS_COMPILE="ccache ${CC}" modules
make ARCH=arm -j2 CROSS_COMPILE="ccache ${CC}" dtbs
make INSTALL_MOD_PATH=./modules_install modules_install