if_ne_neptune.c revision 1.19.2.1 1 /* $NetBSD: if_ne_neptune.c,v 1.19.2.1 2010/04/30 14:39:57 uebayasi 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 1.19.2.1 2010/04/30 14:39:57 uebayasi Exp $");
35
36 #include "opt_inet.h"
37 #include "opt_ns.h"
38
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/mbuf.h>
42 #include <sys/socket.h>
43 #include <sys/ioctl.h>
44 #include <sys/errno.h>
45 #include <sys/syslog.h>
46 #include <sys/select.h>
47 #include <sys/device.h>
48
49 #include <net/if.h>
50 #include <net/if_dl.h>
51 #include <net/if_ether.h>
52 #include <net/if_media.h>
53
54 #ifdef INET
55 #include <netinet/in.h>
56 #include <netinet/in_systm.h>
57 #include <netinet/in_var.h>
58 #include <netinet/ip.h>
59 #include <netinet/if_inarp.h>
60 #endif
61
62 #ifdef NS
63 #include <netns/ns.h>
64 #include <netns/ns_if.h>
65 #endif
66
67 #include <machine/bus.h>
68
69 #include <dev/ic/dp8390reg.h>
70 #include <dev/ic/dp8390var.h>
71
72 #include <dev/ic/ne2000reg.h>
73 #include <dev/ic/ne2000var.h>
74
75 #include <arch/x68k/dev/neptunevar.h>
76
77 static int ne_neptune_match(device_t, cfdata_t, void *);
78 static void ne_neptune_attach(device_t, device_t, void *);
79
80 #define ne_neptune_softc ne2000_softc
81
82 CFATTACH_DECL_NEW(ne_neptune, sizeof(struct ne_neptune_softc),
83 ne_neptune_match, ne_neptune_attach, NULL, NULL);
84
85 int
86 ne_neptune_match(device_t parent, cfdata_t match, void *aux)
87 {
88 struct neptune_attach_args *na = aux;
89 bus_space_tag_t nict = na->na_bst;
90 bus_space_handle_t nich;
91 bus_space_tag_t asict;
92 bus_space_handle_t asich;
93 int rv = 0;
94
95 if (na->na_addr == NEPTUNECF_ADDR_DEFAULT)
96 na->na_addr = 0x300;
97
98 /* Make sure this is a valid NE[12]000 i/o address. */
99 if ((na->na_addr & 0x1f) != 0)
100 return (0);
101
102 /* Map i/o space. */
103 if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich))
104 return (0);
105
106 asict = nict;
107 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
108 NE2000_ASIC_NPORTS*2, &asich))
109 goto out;
110
111 /* Look for an NE2000-compatible card. */
112 rv = ne2000_detect(nict, nich, asict, asich);
113
114 out:
115 bus_space_unmap(nict, nich, NE2000_NPORTS);
116 return (rv != 0) ? 1 : 0;
117 }
118
119 void
120 ne_neptune_attach(device_t parent, device_t self, void *aux)
121 {
122 struct ne_neptune_softc *nsc = device_private(self);
123 struct dp8390_softc *dsc = &nsc->sc_dp8390;
124 struct neptune_attach_args *na = aux;
125 bus_space_tag_t nict = na->na_bst;
126 bus_space_handle_t nich;
127 bus_space_tag_t asict = nict;
128 bus_space_handle_t asich;
129 const char *typestr;
130 int netype;
131
132 dsc->sc_dev = self;
133 aprint_normal("\n");
134
135 /* Map i/o space. */
136 if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich)) {
137 aprint_error_dev(self, "can't map i/o space\n");
138 return;
139 }
140
141 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
142 NE2000_ASIC_NPORTS*2, &asich)) {
143 aprint_error_dev(self, "can't subregion 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 /*
154 * Detect it again, so we can print some information about the
155 * interface.
156 */
157 netype = ne2000_detect(nict, nich, asict, asich);
158 switch (netype) {
159 case NE2000_TYPE_NE1000:
160 typestr = "NE1000";
161 break;
162
163 case NE2000_TYPE_NE2000:
164 typestr = "NE2000";
165 break;
166
167 case NE2000_TYPE_RTL8019:
168 typestr = "NE2000 (RTL8019)";
169 break;
170
171 default:
172 aprint_error_dev(self, "where did the card go?!\n");
173 return;
174 }
175
176 aprint_normal_dev(self, "%s Ethernet\n", typestr);
177
178 /* This interface is always enabled. */
179 dsc->sc_enabled = 1;
180
181 /*
182 * Do generic NE2000 attach. This will read the station address
183 * from the EEPROM.
184 */
185 ne2000_attach(nsc, NULL);
186
187 /* Establish the interrupt handler. */
188 if (neptune_intr_establish(na->na_intr, "ne", dp8390_intr, dsc))
189 aprint_error_dev(self,
190 "couldn't establish interrupt handler\n");
191 }
192