In piCore since 6.0 serial consoled is enable in cmdline.txt
and started in bootlocal.sh
[code]# Start serial...
Code: [Select]
dwc_otg.lpm_enable=0 console=ttyAMA0,115200 console=tty1 root=/dev/ram0 elevator=deadline rootwait quiet nortc loglevel=3 noembedand started in bootlocal.sh
[code]# Start serial...