Put things together
MAC OSX Yosemite ( or other versions )
MacPorts: https://www.macports.org/ download + install then sudo port install arm-none-eabi-gcc sudo port install qemu +target_arm
HomeBrew: http://brew.sh/ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" then brew install u-boot-tools
build make all
run make run