if_ne_neptune.c revision 1.16.8.1 1 /* $NetBSD: if_ne_neptune.c,v 1.16.8.1 2010/11/20 00:33:46 riz Exp $ */
2
3 /*-
4 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <sys/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: if_ne_neptune.c,v 1.16.8.1 2010/11/20 00:33:46 riz Exp $");
35
36 #include "opt_inet.h"
37 #include "opt_ns.h"
38 #include "bpfilter.h"
39
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/mbuf.h>
43 #include <sys/socket.h>
44 #include <sys/ioctl.h>
45 #include <sys/errno.h>
46 #include <sys/syslog.h>
47 #include <sys/select.h>
48 #include <sys/device.h>
49
50 #include <net/if.h>
51 #include <net/if_dl.h>
52 #include <net/if_ether.h>
53 #include <net/if_media.h>
54
55 #ifdef INET
56 #include <netinet/in.h>
57 #include <netinet/in_systm.h>
58 #include <netinet/in_var.h>
59 #include <netinet/ip.h>
60 #include <netinet/if_inarp.h>
61 #endif
62
63 #ifdef NS
64 #include <netns/ns.h>
65 #include <netns/ns_if.h>
66 #endif
67
68 #if NBPFILTER > 0
69 #include <net/bpf.h>
70 #include <net/bpfdesc.h>
71 #endif
72
73 #include <machine/bus.h>
74
75 #include <dev/ic/dp8390reg.h>
76 #include <dev/ic/dp8390var.h>
77
78 #include <dev/ic/ne2000reg.h>
79 #include <dev/ic/ne2000var.h>
80
81 #include <arch/x68k/dev/neptunevar.h>
82
83 static int ne_neptune_match(device_t, cfdata_t, void *);
84 static void ne_neptune_attach(device_t, device_t, void *);
85 static int ne_neptune_intr(void *);
86
87 #define ne_neptune_softc ne2000_softc
88
89 CFATTACH_DECL_NEW(ne_neptune, sizeof(struct ne_neptune_softc),
90 ne_neptune_match, ne_neptune_attach, NULL, NULL);
91
92 int
93 ne_neptune_match(device_t parent, cfdata_t match, void *aux)
94 {
95 struct neptune_attach_args *na = aux;
96 bus_space_tag_t nict = na->na_bst;
97 bus_space_handle_t nich;
98 bus_space_tag_t asict;
99 bus_space_handle_t asich;
100 int rv = 0;
101
102 if (na->na_addr == NEPTUNECF_ADDR_DEFAULT)
103 na->na_addr = 0x300;
104
105 /* Make sure this is a valid NE[12]000 i/o address. */
106 if ((na->na_addr & 0x1f) != 0)
107 return (0);
108
109 /* Map i/o space. */
110 if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich))
111 return (0);
112
113 asict = nict;
114 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
115 NE2000_ASIC_NPORTS*2, &asich))
116 goto out;
117
118 /* Look for an NE2000-compatible card. */
119 rv = ne2000_detect(nict, nich, asict, asich);
120
121 out:
122 bus_space_unmap(nict, nich, NE2000_NPORTS);
123 return (rv);
124 }
125
126 void
127 ne_neptune_attach(device_t parent, device_t self, void *aux)
128 {
129 struct ne_neptune_softc *nsc = device_private(self);
130 struct dp8390_softc *dsc = &nsc->sc_dp8390;
131 struct neptune_attach_args *na = aux;
132 bus_space_tag_t nict = na->na_bst;
133 bus_space_handle_t nich;
134 bus_space_tag_t asict = nict;
135 bus_space_handle_t asich;
136 const char *typestr;
137 int netype;
138
139 dsc->sc_dev = self;
140 aprint_normal("\n");
141
142 /* Map i/o space. */
143 if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich)) {
144 aprint_error_dev(self, "can't map i/o space\n");
145 return;
146 }
147
148 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
149 NE2000_ASIC_NPORTS*2, &asich)) {
150 aprint_error_dev(self, "can't subregion i/o space\n");
151 return;
152 }
153
154 dsc->sc_regt = nict;
155 dsc->sc_regh = nich;
156
157 nsc->sc_asict = asict;
158 nsc->sc_asich = asich;
159
160 /*
161 * Detect it again, so we can print some information about the
162 * interface.
163 */
164 netype = ne2000_detect(nict, nich, asict, asich);
165 switch (netype) {
166 case NE2000_TYPE_NE1000:
167 typestr = "NE1000";
168 break;
169
170 case NE2000_TYPE_NE2000:
171 typestr = "NE2000";
172 break;
173
174 case NE2000_TYPE_RTL8019:
175 typestr = "NE2000 (RTL8019)";
176 break;
177
178 default:
179 aprint_error_dev(self, "where did the card go?!\n");
180 return;
181 }
182
183 aprint_normal_dev(self, "%s Ethernet\n", typestr);
184
185 /* This interface is always enabled. */
186 dsc->sc_enabled = 1;
187
188 /*
189 * Do generic NE2000 attach. This will read the station address
190 * from the EEPROM.
191 */
192 ne2000_attach(nsc, NULL);
193
194 /* Establish the interrupt handler. */
195 if (neptune_intr_establish(na->na_intr, "ne", ne_neptune_intr, dsc))
196 aprint_error_dev(self,
197 "couldn't establish interrupt handler\n");
198 }
199
200 static int
201 ne_neptune_intr(void *arg)
202 {
203 spl4(); /* XXX */
204 return dp8390_intr(arg);
205 }
206