xref: /netbsd-src/sys/arch/amiga/dev/if_ne_zbus.c (revision a5847cc334d9a7029f6352b847e9e8d71a0f9e0c)
1 /*	$NetBSD: if_ne_zbus.c,v 1.14 2011/07/19 15:55:27 dyoung 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 1.14 2011/07/19 15:55:27 dyoung 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 #include <sys/bus.h>
48 
49 #include <net/if.h>
50 #include <net/if_media.h>
51 #include <net/if_ether.h>
52 
53 #include <dev/ic/dp8390reg.h>
54 #include <dev/ic/dp8390var.h>
55 
56 #include <dev/ic/ne2000reg.h>
57 #include <dev/ic/ne2000var.h>
58 
59 #include <dev/ic/rtl80x9reg.h>
60 #include <dev/ic/rtl80x9var.h>
61 
62 #include <amiga/amiga/device.h>
63 #include <amiga/amiga/isr.h>
64 
65 #include <amiga/dev/zbusvar.h>
66 
67 int	ne_zbus_match(device_t, cfdata_t , void *);
68 void	ne_zbus_attach(device_t, device_t, void *);
69 
70 struct ne_zbus_softc {
71 	struct ne2000_softc	sc_ne2000;
72 	struct bus_space_tag	sc_bst;
73 	struct isr		sc_isr;
74 };
75 
76 CFATTACH_DECL_NEW(ne_zbus, sizeof(struct ne_zbus_softc),
77     ne_zbus_match, ne_zbus_attach, NULL, NULL);
78 
79 /*
80  * The Amiga address are shifted by one bit to the ISA-Bus, but
81  * this is handled by the bus_space functions.
82  */
83 #define	NE_ARIADNE_II_NPORTS	0x20
84 #define	NE_ARIADNE_II_NICBASE	0x0300	/* 0x0600 */
85 #define	NE_ARIADNE_II_NICSIZE	0x10
86 #define	NE_ARIADNE_II_ASICBASE	0x0310	/* 0x0620 */
87 #define	NE_ARIADNE_II_ASICSIZE	0x10
88 
89 int
90 ne_zbus_match(device_t parent, cfdata_t cf, void *aux)
91 {
92 	struct zbus_args *zap = aux;
93 
94 	/* Ariadne II ethernet card */
95 	if (zap->manid == 2167 && zap->prodid == 202)
96 		return (1);
97 
98 	/* X-surf ethernet card */
99 	if (zap->manid == 4626 && zap->prodid == 23)
100 		return (1);
101 
102 	return (0);
103 }
104 
105 /*
106  * Install interface into kernel networking data structures
107  */
108 void
109 ne_zbus_attach(device_t parent, device_t self, void *aux)
110 {
111 	struct ne_zbus_softc *zsc = device_private(self);
112 	struct ne2000_softc *nsc = &zsc->sc_ne2000;
113 	struct dp8390_softc *dsc = &nsc->sc_dp8390;
114 	struct zbus_args *zap = aux;
115 	bus_space_tag_t nict = &zsc->sc_bst;
116 	bus_space_handle_t nich;
117 	bus_space_tag_t asict = nict;
118 	bus_space_handle_t asich;
119 
120 	dsc->sc_dev = self;
121 	dsc->sc_mediachange = rtl80x9_mediachange;
122 	dsc->sc_mediastatus = rtl80x9_mediastatus;
123 	dsc->init_card = rtl80x9_init_card;
124 	dsc->sc_media_init = rtl80x9_media_init;
125 
126 	zsc->sc_bst.base = (u_long)zap->va + 0;
127 	if (zap->manid == 4626)
128 		 zsc->sc_bst.base += 0x8000;
129 
130 	zsc->sc_bst.absm = &amiga_bus_stride_2;
131 
132 	aprint_normal("\n");
133 
134 	/* Map i/o space. */
135 	if (bus_space_map(nict, NE_ARIADNE_II_NICBASE, NE_ARIADNE_II_NPORTS, 0, &nich)) {
136 		aprint_error_dev(self, "can't map nic i/o space\n");
137 		return;
138 	}
139 
140 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, NE_ARIADNE_II_ASICSIZE,
141 	    &asich)) {
142 		aprint_error_dev(self, "can't map asic i/o space\n");
143 		return;
144 	}
145 
146 	dsc->sc_regt = nict;
147 	dsc->sc_regh = nich;
148 
149 	nsc->sc_asict = asict;
150 	nsc->sc_asich = asich;
151 
152 	/* This interface is always enabled. */
153 	dsc->sc_enabled = 1;
154 
155 	/*
156 	 * Do generic NE2000 attach.  This will read the station address
157 	 * from the EEPROM.
158 	 */
159 	ne2000_attach(nsc, NULL);
160 
161 	zsc->sc_isr.isr_intr = dp8390_intr;
162 	zsc->sc_isr.isr_arg = dsc;
163 	zsc->sc_isr.isr_ipl = 2;
164 	add_isr(&zsc->sc_isr);
165 }
166