openwrt/target/linux/atheros/base-files/etc/preinit.arch

# reset button only supported on ar5315+ at the moment
grep 'Atheros AR231[567]' /proc/cpuinfo > /dev/null && {
	ifname=eth0
	failsafe_ip
	netmsg 192.168.1.255 "Press reset now, to enter Failsafe!"
	ifconfig "$ifname" 0.0.0.0 down
	sleep 2
}