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

/*	$NetBSD: consinit.c,v 1.6 2007/10/17 19:56:53 garbled Exp $	*/

/*
 * Copyright (C) 1995, 1996 Wolfgang Solfrank.
 * Copyright (C) 1995, 1996 TooLs GmbH.
 * 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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by TooLs GmbH.
 * 4. The name of TooLs GmbH may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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 1.6 2007/10/17 19:56:53 garbled 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 "gten.h"
#if (NGTEN > 0)
#include <machine/gtenvar.h>
#endif

/* Implied by gten support. */
#if (NGTEN > 0)
#include <dev/pci/pcivar.h>
#endif

#include "vga.h"
#if (NVGA > 0)
#include <dev/ic/mc6845reg.h>
#include <dev/ic/pcdisplayvar.h>
#include <dev/ic/vgareg.h>
#include <dev/ic/vgavar.h>
#endif

#include "pckbc.h"
#if (NPCKBC > 0)
#include <dev/isa/isareg.h>
#include <dev/ic/i8042reg.h>
#include <dev/ic/pckbcvar.h>
#endif

#include "com.h"
#if (NCOM > 0)
#include <sys/termios.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#endif

/*
 * consinit
 * Initialize system console.
 */
void
consinit(void)
{
	struct btinfo_console *consinfo;
	static int initted = 0;
#if (NGTEN > 0)
	struct prep_pci_chipset pc;
#endif

	if (initted)
		return;
	initted = 1;

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

#if (NPFB > 0)
	if (!strcmp(consinfo->devname, "fb")) {
		pfb_cnattach(consinfo->addr);
#if (NPCKBC > 0)
		pckbc_cnattach(&genppc_isa_io_space_tag, IO_KBD, KBCMDP,
		    PCKBC_KBD_SLOT);
#endif
		return;
	}
#endif

#if (NVGA > 0) || (NGTEN > 0)
	if (!strcmp(consinfo->devname, "vga")) {
#if (NGTEN > 0)
		prep_pci_get_chipset_tag(&pc);
#endif
#if (NGTEN > 0)
		if (!gten_cnattach(&pc, &prep_mem_space_tag))
			goto dokbd;
#endif
#if (NVGA > 0)
		if (!vga_cnattach(&prep_io_space_tag, &prep_mem_space_tag,
				-1, 1))
			goto dokbd;
#endif
dokbd:
#if (NPCKBC > 0)
		pckbc_cnattach(&genppc_isa_io_space_tag, IO_KBD, KBCMDP,
		    PCKBC_KBD_SLOT);
#endif
		return;
	}
#endif /* VGA | GTEN */

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

		if(comcnattach(tag, consinfo->addr, consinfo->speed, COM_FREQ,
		    COM_TYPE_NORMAL,
		    ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8)))
			panic("can't init serial console");

		return;
	}
#endif
	panic("invalid console device %s", consinfo->devname);
}