xref: /netbsd-src/sys/arch/amiga/dev/if_ne_zbus.c (revision 274254cdae52594c1aa480a736aef78313d15c9c)
1 /*	$NetBSD: if_ne_zbus.c,v 1.13 2008/04/28 20:23:12 martin 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  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: if_ne_zbus.c,v 1.13 2008/04/28 20:23:12 martin Exp $");
34 
35 /*
36  * Thanks to Village Tronic for giving me a card.
37  * Bernd Ernesti
38  */
39 
40 #include <sys/param.h>
41 #include <sys/device.h>
42 #include <sys/malloc.h>
43 #include <sys/mbuf.h>
44 #include <sys/socket.h>
45 #include <sys/syslog.h>
46 #include <sys/systm.h>
47 
48 #include <net/if.h>
49 #include <net/if_media.h>
50 #include <net/if_ether.h>
51 
52 #include <machine/bus.h>
53 
54 #include <dev/ic/dp8390reg.h>
55 #include <dev/ic/dp8390var.h>
56 
57 #include <dev/ic/ne2000reg.h>
58 #include <dev/ic/ne2000var.h>
59 
60 #include <dev/ic/rtl80x9reg.h>
61 #include <dev/ic/rtl80x9var.h>
62 
63 #include <amiga/amiga/device.h>
64 #include <amiga/amiga/isr.h>
65 
66 #include <amiga/dev/zbusvar.h>
67 
68 int	ne_zbus_match(device_t, cfdata_t , void *);
69 void	ne_zbus_attach(device_t, device_t, void *);
70 
71 struct ne_zbus_softc {
72 	struct ne2000_softc	sc_ne2000;
73 	struct bus_space_tag	sc_bst;
74 	struct isr		sc_isr;
75 };
76 
77 CFATTACH_DECL_NEW(ne_zbus, sizeof(struct ne_zbus_softc),
78     ne_zbus_match, ne_zbus_attach, NULL, NULL);
79 
80 /*
81  * The Amiga address are shifted by one bit to the ISA-Bus, but
82  * this is handled by the bus_space functions.
83  */
84 #define	NE_ARIADNE_II_NPORTS	0x20
85 #define	NE_ARIADNE_II_NICBASE	0x0300	/* 0x0600 */
86 #define	NE_ARIADNE_II_NICSIZE	0x10
87 #define	NE_ARIADNE_II_ASICBASE	0x0310	/* 0x0620 */
88 #define	NE_ARIADNE_II_ASICSIZE	0x10
89 
90 int
91 ne_zbus_match(device_t parent, cfdata_t cf, void *aux)
92 {
93 	struct zbus_args *zap = aux;
94 
95 	/* Ariadne II ethernet card */
96 	if (zap->manid == 2167 && zap->prodid == 202)
97 		return (1);
98 
99 	/* X-surf ethernet card */
100 	if (zap->manid == 4626 && zap->prodid == 23)
101 		return (1);
102 
103 	return (0);
104 }
105 
106 /*
107  * Install interface into kernel networking data structures
108  */
109 void
110 ne_zbus_attach(device_t parent, device_t self, void *aux)
111 {
112 	struct ne_zbus_softc *zsc = device_private(self);
113 	struct ne2000_softc *nsc = &zsc->sc_ne2000;
114 	struct dp8390_softc *dsc = &nsc->sc_dp8390;
115 	struct zbus_args *zap = aux;
116 	bus_space_tag_t nict = &zsc->sc_bst;
117 	bus_space_handle_t nich;
118 	bus_space_tag_t asict = nict;
119 	bus_space_handle_t asich;
120 
121 	dsc->sc_dev = self;
122 	dsc->sc_mediachange = rtl80x9_mediachange;
123 	dsc->sc_mediastatus = rtl80x9_mediastatus;
124 	dsc->init_card = rtl80x9_init_card;
125 	dsc->sc_media_init = rtl80x9_media_init;
126 
127 	zsc->sc_bst.base = (u_long)zap->va + 0;
128 	if (zap->manid == 4626)
129 		 zsc->sc_bst.base += 0x8000;
130 
131 	zsc->sc_bst.absm = &amiga_bus_stride_2;
132 
133 	aprint_normal("\n");
134 
135 	/* Map i/o space. */
136 	if (bus_space_map(nict, NE_ARIADNE_II_NICBASE, NE_ARIADNE_II_NPORTS, 0, &nich)) {
137 		aprint_error_dev(self, "can't map nic i/o space\n");
138 		return;
139 	}
140 
141 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, NE_ARIADNE_II_ASICSIZE,
142 	    &asich)) {
143 		aprint_error_dev(self, "can't map asic i/o space\n");
144 		return;
145 	}
146 
147 	dsc->sc_regt = nict;
148 	dsc->sc_regh = nich;
149 
150 	nsc->sc_asict = asict;
151 	nsc->sc_asich = asich;
152 
153 	/* This interface is always enabled. */
154 	dsc->sc_enabled = 1;
155 
156 	/*
157 	 * Do generic NE2000 attach.  This will read the station address
158 	 * from the EEPROM.
159 	 */
160 	ne2000_attach(nsc, NULL);
161 
162 	zsc->sc_isr.isr_intr = dp8390_intr;
163 	zsc->sc_isr.isr_arg = dsc;
164 	zsc->sc_isr.isr_ipl = 2;
165 	add_isr(&zsc->sc_isr);
166 }
167