Zyxel NSA310 toolchain & firmware sdk
http://gpl.nas-central.org/ZYXEL/NSA310_GPL/FW4.40/
Zyxel NSA310 processor
http://www.marvell.com/embedded-processors/kirkwood/
Marvell Kirkwood 88F6281
Processor information (cpu info)
cat /proc/cpuinfo
Features: swp half thumb fastmult edsp
Hardware: Feroceon-KW -> means Feroceon Kirkwood
/bin/dmesg | grep ‘ARM’