NetBSD-5.0.2/sys/arch/rs6000/rs6000/consinit.c

/*	$NetBSD: consinit.c,v 1.2 2008/04/28 20:23:34 martin Exp $	*/

/*-
 * Copyright (c) 2007 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Tim Rightnour
 *
 * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``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 FOUNDATION OR CONTRIBUTORS
 * 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.
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: consinit.c,v 1.2 2008/04/28 20:23:34 martin Exp $");

#include <sys/param.h>
#include <sys/systm.h>

#include <machine/bootinfo.h>
#include <machine/bus.h>
#include <machine/intr.h>

#include <dev/cons.h>

#include "com.h"
#undef NCOM
#define NCOM 1
#if (NCOM > 0)
#include <sys/termios.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
void comsoft(void);
#endif

extern void setled(uint32_t);

#undef COM_FREQ
#define COM_FREQ_PWR 23961600
#define COM_FREQ 8000000
/*
 * consinit
 * Initialize system console.
 */
void
consinit(void)
{
	struct btinfo_console *consinfo;
	static int initted = 0;

	if (initted)
		return;
	initted = 1;

	consinfo = (struct btinfo_console *)lookup_bootinfo(BTINFO_CONSOLE);
	if (!consinfo)
		panic("not found console information in bootinfo");

/* #if (NCOM > 0) */
#if 1
	if (!strcmp(consinfo->devname, "com")) {
		bus_space_tag_t tag = &rs6000_iocc0_io_space_tag;

		if(comcnattach(tag, consinfo->addr, consinfo->speed, COM_FREQ,
		    COM_TYPE_NORMAL,
		    ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8))) {
			setled(0x77800000);
			panic("can't init serial console");
		}
		setled(0x77700000);
		return;
	}
#endif
	panic("invalid console device %s", consinfo->devname);
}