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/* $NetBSD: consinit.c,v 1.6 2003/10/10 07:04:14 simonb Exp $ */
/*
* Copyright (c) 1998
* Matthias Drochner. 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.
*
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: consinit.c,v 1.6 2003/10/10 07:04:14 simonb Exp $");
#include "opt_kgdb.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <powerpc/ibm4xx/ibm405gp.h>
#include <powerpc/ibm4xx/dev/opbvar.h>
#include "com.h"
#if (NCOM > 0)
#include <sys/termios.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#endif
#include <dev/cons.h>
#ifndef CONSDEVNAME
#define CONSDEVNAME "com"
#endif
#if (NCOM > 0)
#ifndef CONADDR
#define CONADDR IBM405GP_UART0_BASE
#endif
#ifndef CONSPEED
#define CONSPEED B9600 /* */
// #define CONSPEED B115200 /* 9600 is too slow for my taste */
#endif
#ifndef CONMODE
#define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
#endif
int comcnmode = CONMODE;
#endif /* NCOM */
#ifdef KGDB
#ifndef KGDB_DEVNAME
#define KGDB_DEVNAME "com"
#endif
char kgdb_devname[] = KGDB_DEVNAME;
#if (NCOM > 1)
#ifndef KGDB_DEVADDR
#define KGDB_DEVADDR UART1_BASE
#endif
int comkgdbaddr = KGDB_DEVADDR;
#ifndef KGDB_DEVRATE
#define KGDB_DEVRATE CONSPEED
#endif
int comkgdbrate = KGDB_DEVRATE;
#ifndef KGDB_DEVMODE
#define KGDB_DEVMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
#endif
int comkgdbmode = KGDB_DEVMODE;
#endif /* NCOM */
#endif /* KGDB */
/*
* consinit:
* initialize the system console.
* XXX - shouldn't deal with this initted thing, but then,
* it shouldn't be called from initppc either.
*/
void
consinit(void)
{
static int initted = 0;
#if (NCOM > 0)
bus_space_tag_t tag;
#endif
if (initted)
return;
initted = 1;
#if (NCOM > 0)
/* We *know* the com-console attaches to opb */
tag = opb_get_bus_space_tag();
if (comcnattach(tag, CONADDR, CONSPEED, COM_FREQ * 6,
COM_TYPE_NORMAL, comcnmode))
panic("can't init serial console @%x", CONADDR);
else
return;
#endif
panic("console device missing -- serial console not in kernel");
/* Of course, this is moot if there is no console... */
}
#ifdef KGDB
void
kgdb_port_init(void)
{
#if (NCOM > 0)
if(!strcmp(kgdb_devname, "com")) {
bus_space_tag_t tag = opb_get_bus_space_tag();
com_kgdb_attach(tag, comkgdbaddr, comkgdbrate, COM_FREQ * 6,
COM_TYPE_NORMAL, comkgdbmode);
}
#endif
}
#endif
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