if_ne_neptune.c revision 1.10.8.2 1 /* $NetBSD: if_ne_neptune.c,v 1.10.8.2 2008/03/17 09:14:34 yamt 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 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 #include <sys/cdefs.h>
41 __KERNEL_RCSID(0, "$NetBSD: if_ne_neptune.c,v 1.10.8.2 2008/03/17 09:14:34 yamt Exp $");
42
43 #include "opt_inet.h"
44 #include "opt_ns.h"
45 #include "bpfilter.h"
46
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/mbuf.h>
50 #include <sys/socket.h>
51 #include <sys/ioctl.h>
52 #include <sys/errno.h>
53 #include <sys/syslog.h>
54 #include <sys/select.h>
55 #include <sys/device.h>
56
57 #include <net/if.h>
58 #include <net/if_dl.h>
59 #include <net/if_ether.h>
60 #include <net/if_media.h>
61
62 #ifdef INET
63 #include <netinet/in.h>
64 #include <netinet/in_systm.h>
65 #include <netinet/in_var.h>
66 #include <netinet/ip.h>
67 #include <netinet/if_inarp.h>
68 #endif
69
70 #ifdef NS
71 #include <netns/ns.h>
72 #include <netns/ns_if.h>
73 #endif
74
75 #if NBPFILTER > 0
76 #include <net/bpf.h>
77 #include <net/bpfdesc.h>
78 #endif
79
80 #include <machine/bus.h>
81
82 #include <dev/ic/dp8390reg.h>
83 #include <dev/ic/dp8390var.h>
84
85 #include <dev/ic/ne2000reg.h>
86 #include <dev/ic/ne2000var.h>
87
88 #include <dev/ic/rtl80x9reg.h>
89 #include <dev/ic/rtl80x9var.h>
90
91 #include <arch/x68k/dev/neptunevar.h>
92
93 static int ne_neptune_match(device_t, cfdata_t, void *);
94 static void ne_neptune_attach(device_t, device_t, void *);
95 static int ne_neptune_intr(void *);
96
97 #define ne_neptune_softc ne2000_softc
98
99 CFATTACH_DECL(ne_neptune, sizeof(struct ne_neptune_softc),
100 ne_neptune_match, ne_neptune_attach, NULL, NULL);
101
102 int
103 ne_neptune_match(device_t parent, cfdata_t match, void *aux)
104 {
105 struct neptune_attach_args *na = aux;
106 bus_space_tag_t nict = na->na_bst;
107 bus_space_handle_t nich;
108 bus_space_tag_t asict;
109 bus_space_handle_t asich;
110 int rv = 0;
111
112 if (na->na_addr == NEPTUNECF_ADDR_DEFAULT)
113 na->na_addr = 0x300;
114
115 /* Make sure this is a valid NE[12]000 i/o address. */
116 if ((na->na_addr & 0x1f) != 0)
117 return (0);
118
119 /* Map i/o space. */
120 if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich))
121 return (0);
122
123 asict = nict;
124 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
125 NE2000_ASIC_NPORTS*2, &asich))
126 goto out;
127
128 /* Look for an NE2000-compatible card. */
129 rv = ne2000_detect(nict, nich, asict, asich);
130
131 out:
132 bus_space_unmap(nict, nich, NE2000_NPORTS);
133 return (rv);
134 }
135
136 void
137 ne_neptune_attach(device_t parent, device_t self, void *aux)
138 {
139 struct ne_neptune_softc *nsc = device_private(self);
140 struct dp8390_softc *dsc = &nsc->sc_dp8390;
141 struct neptune_attach_args *na = aux;
142 bus_space_tag_t nict = na->na_bst;
143 bus_space_handle_t nich;
144 bus_space_tag_t asict = nict;
145 bus_space_handle_t asich;
146 const char *typestr;
147 int netype;
148
149 dsc->sc_dev = self;
150 aprint_normal("\n");
151
152 /* Map i/o space. */
153 if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich)) {
154 aprint_error_dev(self, "can't map i/o space\n");
155 return;
156 }
157
158 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
159 NE2000_ASIC_NPORTS*2, &asich)) {
160 aprint_error_dev(self, "can't subregion i/o space\n");
161 return;
162 }
163
164 dsc->sc_regt = nict;
165 dsc->sc_regh = nich;
166
167 nsc->sc_asict = asict;
168 nsc->sc_asich = asich;
169
170 /*
171 * Detect it again, so we can print some information about the
172 * interface.
173 */
174 netype = ne2000_detect(nict, nich, asict, asich);
175 switch (netype) {
176 case NE2000_TYPE_NE1000:
177 typestr = "NE1000";
178 break;
179
180 case NE2000_TYPE_NE2000:
181 typestr = "NE2000";
182 /*
183 * Check for a Realtek 8019.
184 */
185 bus_space_write_1(nict, nich, ED_P0_CR,
186 ED_CR_PAGE_0 | ED_CR_STP);
187 if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) ==
188 RTL0_8019ID0 &&
189 bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) ==
190 RTL0_8019ID1) {
191 typestr = "NE2000 (RTL8019)";
192 dsc->sc_mediachange = rtl80x9_mediachange;
193 dsc->sc_mediastatus = rtl80x9_mediastatus;
194 dsc->init_card = rtl80x9_init_card;
195 dsc->sc_media_init = rtl80x9_media_init;
196 }
197 break;
198
199 default:
200 aprint_error_dev(self, "where did the card go?!\n");
201 return;
202 }
203
204 aprint_normal_dev(self, "%s Ethernet\n", typestr);
205
206 /* This interface is always enabled. */
207 dsc->sc_enabled = 1;
208
209 /*
210 * Do generic NE2000 attach. This will read the station address
211 * from the EEPROM.
212 */
213 ne2000_attach(nsc, NULL);
214
215 /* Establish the interrupt handler. */
216 if (neptune_intr_establish(na->na_intr, "ne", ne_neptune_intr, dsc))
217 aprint_error_dev(self,
218 "couldn't establish interrupt handler\n");
219 }
220
221 static int
222 ne_neptune_intr(void *arg)
223 {
224 spl4(); /* XXX */
225 return dp8390_intr(arg);
226 }
227