summaryrefslogtreecommitdiff
path: root/sys/arch/amiga/dev/if_ne_zbus.c
blob: 20fd11ace55d774e86ea6680ce6ae76898c59e0d (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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
/*	$NetBSD: if_ne_zbus.c,v 1.16 2012/05/15 17:35:44 rkujawa Exp $ */

/*-
 * Copyright (c) 1998 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Bernd Ernesti.
 *
 * 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: if_ne_zbus.c,v 1.16 2012/05/15 17:35:44 rkujawa Exp $");

/*
 * Thanks to Village Tronic for giving me a card.
 * Bernd Ernesti
 */

#include <sys/param.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/syslog.h>
#include <sys/systm.h>
#include <sys/bus.h>

#include <net/if.h>
#include <net/if_media.h>
#include <net/if_ether.h>

#include <dev/ic/dp8390reg.h>
#include <dev/ic/dp8390var.h>

#include <dev/ic/ne2000reg.h>
#include <dev/ic/ne2000var.h>

#include <dev/ic/rtl80x9reg.h>
#include <dev/ic/rtl80x9var.h>

#include <amiga/amiga/device.h>
#include <amiga/amiga/isr.h>

#include <amiga/dev/zbusvar.h>

int	ne_zbus_match(device_t, cfdata_t , void *);
void	ne_zbus_attach(device_t, device_t, void *);

struct ne_zbus_softc {
	struct ne2000_softc	sc_ne2000;
	struct bus_space_tag	sc_bst;
	struct isr		sc_isr;
};

CFATTACH_DECL_NEW(ne_zbus, sizeof(struct ne_zbus_softc),
    ne_zbus_match, ne_zbus_attach, NULL, NULL);

/*
 * The Amiga address are shifted by one bit to the ISA-Bus, but
 * this is handled by the bus_space functions.
 */
#define	NE_ARIADNE_II_NPORTS	0x20
#define	NE_ARIADNE_II_NICBASE	0x0300	/* 0x0600 */
#define	NE_ARIADNE_II_NICSIZE	0x10
#define	NE_ARIADNE_II_ASICBASE	0x0310	/* 0x0620 */
#define	NE_ARIADNE_II_ASICSIZE	0x10

int
ne_zbus_match(device_t parent, cfdata_t cf, void *aux)
{
	struct zbus_args *zap = aux;

	/* Ariadne II ethernet card */
	if (zap->manid == 2167 && zap->prodid == 202)
		return (1);

	return (0);
}

/*
 * Install interface into kernel networking data structures
 */
void
ne_zbus_attach(device_t parent, device_t self, void *aux)
{
	struct ne_zbus_softc *zsc = device_private(self);
	struct ne2000_softc *nsc = &zsc->sc_ne2000;
	struct dp8390_softc *dsc = &nsc->sc_dp8390;
	struct zbus_args *zap = aux;
	bus_space_tag_t nict = &zsc->sc_bst;
	bus_space_handle_t nich;
	bus_space_tag_t asict = nict;
	bus_space_handle_t asich;

	dsc->sc_dev = self;
	dsc->sc_mediachange = rtl80x9_mediachange;
	dsc->sc_mediastatus = rtl80x9_mediastatus;
	dsc->init_card = rtl80x9_init_card;
	dsc->sc_media_init = rtl80x9_media_init;

	zsc->sc_bst.base = (u_long)zap->va + 0;

	zsc->sc_bst.absm = &amiga_bus_stride_2;

	aprint_normal("\n");

	/* Map i/o space. */
	if (bus_space_map(nict, NE_ARIADNE_II_NICBASE, NE_ARIADNE_II_NPORTS, 0, &nich)) {
		aprint_error_dev(self, "can't map nic i/o space\n");
		return;
	}

	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, NE_ARIADNE_II_ASICSIZE,
	    &asich)) {
		aprint_error_dev(self, "can't map asic i/o space\n");
		return;
	}

	dsc->sc_regt = nict;
	dsc->sc_regh = nich;

	nsc->sc_asict = asict;
	nsc->sc_asich = asich;

	/* This interface is always enabled. */
	dsc->sc_enabled = 1;

	/*
	 * Do generic NE2000 attach.  This will read the station address
	 * from the EEPROM.
	 */
	ne2000_attach(nsc, NULL);

	zsc->sc_isr.isr_intr = dp8390_intr;
	zsc->sc_isr.isr_arg = dsc;
	zsc->sc_isr.isr_ipl = 2;
	add_isr(&zsc->sc_isr);
}