xref: /netbsd/sys/arch/amiga/dev/if_ne_zbus.c (revision d1089630)
1 /*	$NetBSD: if_ne_zbus.c,v 1.6 2000/12/29 22:39:29 is Exp $	*/
2 
3 /*-
4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Bernd Ernesti.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 /*
40  * Thanks to Village Tronic for giving me a card.
41  * Bernd Ernesti
42  */
43 
44 #include <sys/param.h>
45 #include <sys/device.h>
46 #include <sys/malloc.h>
47 #include <sys/mbuf.h>
48 #include <sys/socket.h>
49 #include <sys/syslog.h>
50 #include <sys/systm.h>
51 
52 #include <net/if.h>
53 #include <net/if_media.h>
54 #include <net/if_ether.h>
55 
56 #include <machine/bus.h>
57 
58 #include <dev/ic/dp8390reg.h>
59 #include <dev/ic/dp8390var.h>
60 
61 #include <dev/ic/ne2000reg.h>
62 #include <dev/ic/ne2000var.h>
63 
64 #include <dev/ic/rtl80x9reg.h>
65 #include <dev/ic/rtl80x9var.h>
66 
67 #include <amiga/amiga/device.h>
68 #include <amiga/amiga/isr.h>
69 
70 #include <amiga/dev/zbusvar.h>
71 
72 int	ne_zbus_match __P((struct device *, struct cfdata *, void *));
73 void	ne_zbus_attach __P((struct device *, struct device *, void *));
74 
75 struct ne_zbus_softc {
76 	struct ne2000_softc	sc_ne2000;
77 	struct bus_space_tag	sc_bst;
78 	struct isr		sc_isr;
79 };
80 
81 struct cfattach ne_zbus_ca = {
82 	sizeof(struct ne_zbus_softc), ne_zbus_match, ne_zbus_attach
83 };
84 
85 /*
86  * The Amiga address are shifted by one bit to the ISA-Bus, but
87  * this is handled by the bus_space functions.
88  */
89 #define	NE_ARIADNE_II_NPORTS	0x20
90 #define	NE_ARIADNE_II_NICBASE	0x0300	/* 0x0600 */
91 #define	NE_ARIADNE_II_NICSIZE	0x10
92 #define	NE_ARIADNE_II_ASICBASE	0x0310	/* 0x0620 */
93 #define	NE_ARIADNE_II_ASICSIZE	0x10
94 
95 int
96 ne_zbus_match(parent, cf, aux)
97 	struct device *parent;
98 	struct cfdata *cf;
99 	void *aux;
100 {
101 	struct zbus_args *zap = aux;
102 
103 	/* Ariadne II ethernet card */
104 	if (zap->manid == 2167 && zap->prodid == 202)
105 		return (1);
106 
107 	/* X-surf ethernet card */
108 	if (zap->manid == 4626 && zap->prodid == 23)
109 		return (1);
110 
111 	return (0);
112 }
113 
114 /*
115  * Install interface into kernel networking data structures
116  */
117 void
118 ne_zbus_attach(parent, self, aux)
119 	struct device *parent, *self;
120 	void   *aux;
121 {
122 	struct ne_zbus_softc *zsc = (struct ne_zbus_softc *)self;
123 	struct ne2000_softc *nsc = &zsc->sc_ne2000;
124 	struct dp8390_softc *dsc = &nsc->sc_dp8390;
125 	struct zbus_args *zap = aux;
126 	bus_space_tag_t nict = &zsc->sc_bst;
127 	bus_space_handle_t nich;
128 	bus_space_tag_t asict = nict;
129 	bus_space_handle_t asich;
130 	int *media, nmedia, defmedia;
131 
132 	media = NULL;
133 	nmedia = defmedia = 0;
134 
135 	dsc->sc_mediachange = rtl80x9_mediachange;
136 	dsc->sc_mediastatus = rtl80x9_mediastatus;
137 	dsc->init_card = rtl80x9_init_card;
138 
139 	zsc->sc_bst.base = (u_long)zap->va + 0;
140 	if (zap->manid == 4626)
141 		 zsc->sc_bst.base += 0x8000;
142 
143 	zsc->sc_bst.absm = &amiga_bus_stride_2;
144 
145 	printf("\n");
146 
147 	/* Map i/o space. */
148 	if (bus_space_map(nict, NE_ARIADNE_II_NICBASE, NE_ARIADNE_II_NPORTS, 0, &nich)) {
149 		printf("%s: can't map nic i/o space\n", dsc->sc_dev.dv_xname);
150 		return;
151 	}
152 
153 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, NE_ARIADNE_II_ASICSIZE,
154 	    &asich)) {
155 		printf("%s: can't map asic i/o space\n", dsc->sc_dev.dv_xname);
156 		return;
157 	}
158 
159 	dsc->sc_regt = nict;
160 	dsc->sc_regh = nich;
161 
162 	nsc->sc_asict = asict;
163 	nsc->sc_asich = asich;
164 
165 	/* Initialize media. */
166 	rtl80x9_init_media(dsc, &media, &nmedia, &defmedia);
167 
168 	/* This interface is always enabled. */
169 	dsc->sc_enabled = 1;
170 
171 	/*
172 	 * Do generic NE2000 attach.  This will read the station address
173 	 * from the EEPROM.
174 	 */
175 	ne2000_attach(nsc, NULL, media, nmedia, defmedia);
176 
177 	zsc->sc_isr.isr_intr = dp8390_intr;
178 	zsc->sc_isr.isr_arg = dsc;
179 	zsc->sc_isr.isr_ipl = 2;
180 	add_isr(&zsc->sc_isr);
181 }
182