11.54Smsaitoh#	$NetBSD: FOUR_TTYS,v 1.54 2021/12/05 07:02:28 msaitoh Exp $
21.1Sgwr
31.1Sgwr# FOUR_TTYS Sun3 (3/50, 3/60, 3/110, 3/160, 3/260)
41.1Sgwr# like GENERIC but both zs chips are used as ttys
51.1Sgwr
61.52Stsutsuiinclude "arch/sun3/conf/GENERIC"
71.17Sgwr
81.1Sgwr#
91.54Smsaitoh# Note that by omitting "kdb0" and "ms0" one can build
101.1Sgwr# a kernel that operates four plain serial lines, where
111.1Sgwr# two of them are data-leads-only ports wired up using
121.15Sgwr# a custom cable on the keyboard connector.  The flags 1
131.15Sgwr# part sets TIOCFLAG_SOFTCAR (remember, data-leads-only).
141.20Sgwr# Note: the signal levels on these are 0/5 Volt TTL.
151.1Sgwr#
161.52Stsutsuino kbd0	at zsc0
171.52Stsutsuino ms0	at zsc0
181.15Sgwrzstty2	at zsc0 channel 0 flags 1 # ttyc
191.15Sgwrzstty3	at zsc0 channel 1 flags 1 # ttyd
20