Oh yes, the /etc/securetty contains the used /dev/ttymxc0 : console ttyS0 ttyS1 ttyS2 ttymxc0 ttymxc1 ttymxc2
and the /etc/inittab : id:2:initdefault: si::sysinit:/etc/init.d/rcS ~~:S:wait:/bin/sh l0:0:wait:/etc/init.d/rc 0 l1:1:wait:/etc/init.d/rc 1 l2:2:wait:/etc/init.d/rc 2 l3:3:wait:/etc/init.d/rc 3 l4:4:wait:/etc/init.d/rc 4 l5:5:wait:/etc/init.d/rc 5 l6:6:wait:/etc/init.d/rc 6 z6:6:respawn:/bin/sh ca:12345:ctrlaltdel:/sbin/shutdown -t1 now s0:23:respawn:/sbin/getty -L ttymxc0 115200 linux s1:23:respawn:/sbin/getty -L ttymxc1 38400 linux s2:23:respawn:/sbin/getty -L ttymxc2 38400 linux F0:23:respawn:/sbin/getty -L tty0 38400 linux
