summaryrefslogtreecommitdiff
path: root/sys/arch/mmeye/dev/com_mainbus.c
blob: 8211a9314d84a700b71e31be16215e42b283927b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
/*	$NetBSD: com_mainbus.c,v 1.13 2018/12/08 17:46:12 thorpej Exp $	*/

/*-
 * Copyright (c) 2002 The NetBSD Foundation, Inc.
 * 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 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: com_mainbus.c,v 1.13 2018/12/08 17:46:12 thorpej Exp $");

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

#include <sys/termios.h>
#include <dev/cons.h>
#include <sys/conf.h>
#include <sys/bus.h>

#include <machine/intr.h>
#include <machine/autoconf.h>
#include <machine/mmeye.h>

#include <dev/ic/comvar.h>
#include <dev/ic/comreg.h>

#ifndef COMCN_SPEED
#define COMCN_SPEED	19200
#endif
#ifndef CONADDR
#define CONADDR		0xa4000000
#endif
#ifndef CONMODE
#define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
#endif

struct com_mainbus_softc {
	struct	com_softc sc_com;	/* real "com" softc */
};

int com_mainbus_match(device_t, cfdata_t , void *);
void com_mainbus_attach(device_t, device_t, void *);
void comcnprobe(struct consdev *);
void comcninit(struct consdev *);

CFATTACH_DECL_NEW(com_mainbus, sizeof(struct com_mainbus_softc),
    com_mainbus_match, com_mainbus_attach, NULL, NULL);

int
com_mainbus_match(device_t parent, cfdata_t match, void *aux)
{
	struct mainbus_attach_args *ma = aux;

	if (strcmp(ma->ma_name, match->cf_name) == 0)
		return (1);

	return (0);
}

void
com_mainbus_attach(device_t parent, device_t self, void *aux)
{
	struct mainbus_attach_args *ma = aux;
	struct com_mainbus_softc *sc = device_private(self);
	struct com_softc *csc = &sc->sc_com;
#if defined(SH7750R)
	const bus_space_tag_t iot = SH3_BUS_SPACE_PCMCIA_IO8;
#else
	const bus_space_tag_t iot = 0;
#endif
	bus_space_handle_t ioh;

	if (!com_is_console(iot, ma->ma_addr1, &ioh))
		if (bus_space_map(iot, ma->ma_addr1, COM_NPORTS, 0, &ioh)) {
			aprint_error(": can't map i/o space\n");
			return;
		}
	csc->sc_dev = self;
	csc->sc_frequency = COM_FREQ;
	com_init_regs(&csc->sc_regs, iot, ioh, ma->ma_addr1);

	/* sanity check */
	if (!comprobe1(iot, ioh)) {
		aprint_error(": device problem. don't attach.\n");
		return;
	}

	com_attach_subr(csc);

	mmeye_intr_establish(ma->ma_irq1, IST_LEVEL, IPL_SERIAL, comintr, sc);
}

void
comcnprobe(struct consdev *cp)
{

#ifdef  COMCONSOLE
	cp->cn_pri = CN_REMOTE;	/* Force a serial port console */
#else
	cp->cn_pri = CN_NORMAL;
#endif
}

void
comcninit(struct consdev *cp)
{
#if defined(SH7750R)
	const bus_space_tag_t iot = SH3_BUS_SPACE_PCMCIA_IO8;
#else
	const bus_space_tag_t iot = 0;
#endif

	comcnattach(iot, CONADDR, COMCN_SPEED, COM_FREQ, COM_TYPE_NORMAL,
	    CONMODE);
}