ram timings : board/goldelico/letux-cortex15/lc15.c make -j24 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- distclean make -j24 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- omap5_pyra_4gb_defconfig make -j24 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf-