if_ne_neptune.c revision 1.13 1 /* $NetBSD: if_ne_neptune.c,v 1.13 2007/10/17 19:58:01 garbled 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 1.13 2007/10/17 19:58:01 garbled 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(struct device *, struct cfdata *, void *);
94 static void ne_neptune_attach(struct device *, struct device *, 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(struct device *parent, struct cfdata *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(struct device *parent, struct device *self, void *aux)
138 {
139 struct ne_neptune_softc *nsc = (struct ne_neptune_softc *)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 printf("\n");
150
151 /* Map i/o space. */
152 if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich)) {
153 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname);
154 return;
155 }
156
157 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
158 NE2000_ASIC_NPORTS*2, &asich)) {
159 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname);
160 return;
161 }
162
163 dsc->sc_regt = nict;
164 dsc->sc_regh = nich;
165
166 nsc->sc_asict = asict;
167 nsc->sc_asich = asich;
168
169 /*
170 * Detect it again, so we can print some information about the
171 * interface.
172 */
173 netype = ne2000_detect(nict, nich, asict, asich);
174 switch (netype) {
175 case NE2000_TYPE_NE1000:
176 typestr = "NE1000";
177 break;
178
179 case NE2000_TYPE_NE2000:
180 typestr = "NE2000";
181 /*
182 * Check for a Realtek 8019.
183 */
184 bus_space_write_1(nict, nich, ED_P0_CR,
185 ED_CR_PAGE_0 | ED_CR_STP);
186 if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) ==
187 RTL0_8019ID0 &&
188 bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) ==
189 RTL0_8019ID1) {
190 typestr = "NE2000 (RTL8019)";
191 dsc->sc_mediachange = rtl80x9_mediachange;
192 dsc->sc_mediastatus = rtl80x9_mediastatus;
193 dsc->init_card = rtl80x9_init_card;
194 dsc->sc_media_init = rtl80x9_media_init;
195 }
196 break;
197
198 default:
199 printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname);
200 return;
201 }
202
203 printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, typestr);
204
205 /* This interface is always enabled. */
206 dsc->sc_enabled = 1;
207
208 /*
209 * Do generic NE2000 attach. This will read the station address
210 * from the EEPROM.
211 */
212 ne2000_attach(nsc, NULL);
213
214 /* Establish the interrupt handler. */
215 if (neptune_intr_establish(na->na_intr, "ne", ne_neptune_intr, dsc))
216 printf("%s: couldn't establish interrupt handler\n",
217 dsc->sc_dev.dv_xname);
218 }
219
220 static int
221 ne_neptune_intr(void *arg)
222 {
223 spl4(); /* XXX */
224 return dp8390_intr(arg);
225 }
226