1 /* $NetBSD: if_ne_neptune.c,v 1.21 2015/05/20 09:17:18 ozaki-r 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 1.21 2015/05/20 09:17:18 ozaki-r 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 #include <machine/bus.h>
63
64 #include <dev/ic/dp8390reg.h>
65 #include <dev/ic/dp8390var.h>
66
67 #include <dev/ic/ne2000reg.h>
68 #include <dev/ic/ne2000var.h>
69
70 #include <arch/x68k/dev/neptunevar.h>
71
72 static int ne_neptune_match(device_t, cfdata_t, void *);
73 static void ne_neptune_attach(device_t, device_t, void *);
74
75 #define ne_neptune_softc ne2000_softc
76
77 CFATTACH_DECL_NEW(ne_neptune, sizeof(struct ne_neptune_softc),
78 ne_neptune_match, ne_neptune_attach, NULL, NULL);
79
80 int
ne_neptune_match(device_t parent,cfdata_t match,void * aux)81 ne_neptune_match(device_t parent, cfdata_t match, void *aux)
82 {
83 struct neptune_attach_args *na = aux;
84 bus_space_tag_t nict = na->na_bst;
85 bus_space_handle_t nich;
86 bus_space_tag_t asict;
87 bus_space_handle_t asich;
88 int rv = 0;
89
90 if (na->na_addr == NEPTUNECF_ADDR_DEFAULT)
91 na->na_addr = 0x300;
92
93 /* Make sure this is a valid NE[12]000 i/o address. */
94 if ((na->na_addr & 0x1f) != 0)
95 return (0);
96
97 /* Map i/o space. */
98 if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich))
99 return (0);
100
101 asict = nict;
102 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
103 NE2000_ASIC_NPORTS*2, &asich))
104 goto out;
105
106 /* Look for an NE2000-compatible card. */
107 rv = ne2000_detect(nict, nich, asict, asich);
108
109 out:
110 bus_space_unmap(nict, nich, NE2000_NPORTS);
111 return (rv != 0) ? 1 : 0;
112 }
113
114 void
ne_neptune_attach(device_t parent,device_t self,void * aux)115 ne_neptune_attach(device_t parent, device_t self, void *aux)
116 {
117 struct ne_neptune_softc *nsc = device_private(self);
118 struct dp8390_softc *dsc = &nsc->sc_dp8390;
119 struct neptune_attach_args *na = aux;
120 bus_space_tag_t nict = na->na_bst;
121 bus_space_handle_t nich;
122 bus_space_tag_t asict = nict;
123 bus_space_handle_t asich;
124 const char *typestr;
125 int netype;
126
127 dsc->sc_dev = self;
128 aprint_normal("\n");
129
130 /* Map i/o space. */
131 if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich)) {
132 aprint_error_dev(self, "can't map i/o space\n");
133 return;
134 }
135
136 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
137 NE2000_ASIC_NPORTS*2, &asich)) {
138 aprint_error_dev(self, "can't subregion i/o space\n");
139 return;
140 }
141
142 dsc->sc_regt = nict;
143 dsc->sc_regh = nich;
144
145 nsc->sc_asict = asict;
146 nsc->sc_asich = asich;
147
148 /*
149 * Detect it again, so we can print some information about the
150 * interface.
151 */
152 netype = ne2000_detect(nict, nich, asict, asich);
153 switch (netype) {
154 case NE2000_TYPE_NE1000:
155 typestr = "NE1000";
156 break;
157
158 case NE2000_TYPE_NE2000:
159 typestr = "NE2000";
160 break;
161
162 case NE2000_TYPE_RTL8019:
163 typestr = "NE2000 (RTL8019)";
164 break;
165
166 default:
167 aprint_error_dev(self, "where did the card go?!\n");
168 return;
169 }
170
171 aprint_normal_dev(self, "%s Ethernet\n", typestr);
172
173 /* This interface is always enabled. */
174 dsc->sc_enabled = 1;
175
176 /*
177 * Do generic NE2000 attach. This will read the station address
178 * from the EEPROM.
179 */
180 ne2000_attach(nsc, NULL);
181
182 /* Establish the interrupt handler. */
183 if (neptune_intr_establish(na->na_intr, "ne", dp8390_intr, dsc))
184 aprint_error_dev(self,
185 "couldn't establish interrupt handler\n");
186 }
187