BeagleBoneBlack PRU
git clone git://github.com/beagleboard/am335x_pru_package.git make -C am335x_pru_package/pru_sw/app_loader/interface CROSS_COMPILE= make -C am335x_pru_package/pru_sw/utils/pasm_source/ CROSS_COMPILE= cd am355x_pru_package/pru_sw/utils/pasm_source ./linuxbuild && cp ../pasm ../pasm2 cd ~ make -C am335x_pru_package/pru_sw/examples/ CROSS_COMPILE=
table of pin mappings: http://www.element14.com/community/thread/23952?tstart=0