1/*	$NetBSD: consinit.c,v 1.7 2005/12/11 12:17:13 christos Exp $	*/
2
3/*
4 * Copyright (c) 1998
5 *	Matthias Drochner.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 */
28
29#include <sys/cdefs.h>
30__KERNEL_RCSID(0, "$NetBSD: consinit.c,v 1.7 2005/12/11 12:17:13 christos Exp $");
31
32#include "opt_kgdb.h"
33
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/device.h>
37#include <sys/bus.h>
38
39#include <powerpc/ibm4xx/ibm405gp.h>
40#include <powerpc/ibm4xx/dev/opbvar.h>
41
42#include "com.h"
43#if (NCOM > 0)
44#include <sys/termios.h>
45#include <dev/ic/comreg.h>
46#include <dev/ic/comvar.h>
47#endif
48
49#include <dev/cons.h>
50
51#ifndef CONSDEVNAME
52#define CONSDEVNAME "com"
53#endif
54
55#if (NCOM > 0)
56#ifndef CONADDR
57#define CONADDR IBM405GP_UART0_BASE
58#endif
59#ifndef CONSPEED
60#define CONSPEED B9600	/*  */
61// #define CONSPEED B115200	/* 9600 is too slow for my taste */
62#endif
63#ifndef CONMODE
64#define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
65#endif
66int comcnmode = CONMODE;
67#endif /* NCOM */
68
69#ifdef KGDB
70#ifndef KGDB_DEVNAME
71#define KGDB_DEVNAME "com"
72#endif
73char kgdb_devname[] = KGDB_DEVNAME;
74
75#if (NCOM > 1)
76#ifndef KGDB_DEVADDR
77#define KGDB_DEVADDR  UART1_BASE
78#endif
79int comkgdbaddr = KGDB_DEVADDR;
80
81#ifndef KGDB_DEVRATE
82#define KGDB_DEVRATE CONSPEED
83#endif
84int comkgdbrate = KGDB_DEVRATE;
85
86#ifndef KGDB_DEVMODE
87#define KGDB_DEVMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
88#endif
89int comkgdbmode = KGDB_DEVMODE;
90
91#endif /* NCOM */
92
93#endif /* KGDB */
94
95/*
96 * consinit:
97 * initialize the system console.
98 * XXX - shouldn't deal with this initted thing, but then,
99 * it shouldn't be called from initppc either.
100 */
101void
102consinit(void)
103{
104	static int initted = 0;
105#if (NCOM > 0)
106	bus_space_tag_t tag;
107#endif
108
109	if (initted)
110		return;
111	initted = 1;
112
113#if (NCOM > 0)
114	/* We *know* the com-console attaches to opb */
115	tag = opb_get_bus_space_tag();
116
117	if (comcnattach(tag, CONADDR, CONSPEED, COM_FREQ * 6,
118	    COM_TYPE_NORMAL, comcnmode))
119		panic("can't init serial console @%x", CONADDR);
120	else
121		return;
122#endif
123	panic("console device missing -- serial console not in kernel");
124	/* Of course, this is moot if there is no console... */
125}
126
127#ifdef KGDB
128void
129kgdb_port_init(void)
130{
131#if (NCOM > 0)
132	if(!strcmp(kgdb_devname, "com")) {
133		bus_space_tag_t tag = opb_get_bus_space_tag();
134		com_kgdb_attach(tag, comkgdbaddr, comkgdbrate, COM_FREQ * 6,
135		    COM_TYPE_NORMAL, comkgdbmode);
136	}
137#endif
138}
139#endif
140