xref: /src/sys/arch/cobalt/stand/boot/zs.h

/*	$NetBSD: zs.h,v 1.3 2008/05/14 13:29:28 tsutsui Exp $	*/

/*-
 * Copyright (c) 2008 Izumi Tsutsui.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * optional Z85C30 serial on Qube 2700
 */

/* A/~B (Channel A/Channel B) pin is connected to DAdr0 */
#define ZS_CHAN_A	0x01
#define ZS_CHAN_B	0x00

/* D/~C (Data/Control) pin is connected to DAdr1 */
#define ZS_CSR		0x00
#define ZS_DATA		0x02

#ifndef ZSPROBE
#define ZSPROBE		0xa020001c
#endif

void *zs_init(int, int);
void zs_putc(void *, int);
int zs_getc(void *);
int zs_scan(void *);