if_ne_neptune.c revision 1.19 1 /* $NetBSD: if_ne_neptune.c,v 1.19 2010/01/19 22:06:23 pooka 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 2010/01/19 22:06:23 pooka 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 <dev/ic/rtl80x9reg.h>
76 #include <dev/ic/rtl80x9var.h>
77
78 #include <arch/x68k/dev/neptunevar.h>
79
80 static int ne_neptune_match(device_t, cfdata_t, void *);
81 static void ne_neptune_attach(device_t, device_t, void *);
82
83 #define ne_neptune_softc ne2000_softc
84
85 CFATTACH_DECL_NEW(ne_neptune, sizeof(struct ne_neptune_softc),
86 ne_neptune_match, ne_neptune_attach, NULL, NULL);
87
88 int
89 ne_neptune_match(device_t parent, cfdata_t match, void *aux)
90 {
91 struct neptune_attach_args *na = aux;
92 bus_space_tag_t nict = na->na_bst;
93 bus_space_handle_t nich;
94 bus_space_tag_t asict;
95 bus_space_handle_t asich;
96 int rv = 0;
97
98 if (na->na_addr == NEPTUNECF_ADDR_DEFAULT)
99 na->na_addr = 0x300;
100
101 /* Make sure this is a valid NE[12]000 i/o address. */
102 if ((na->na_addr & 0x1f) != 0)
103 return (0);
104
105 /* Map i/o space. */
106 if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich))
107 return (0);
108
109 asict = nict;
110 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
111 NE2000_ASIC_NPORTS*2, &asich))
112 goto out;
113
114 /* Look for an NE2000-compatible card. */
115 rv = ne2000_detect(nict, nich, asict, asich);
116
117 out:
118 bus_space_unmap(nict, nich, NE2000_NPORTS);
119 return (rv != 0) ? 1 : 0;
120 }
121
122 void
123 ne_neptune_attach(device_t parent, device_t self, void *aux)
124 {
125 struct ne_neptune_softc *nsc = device_private(self);
126 struct dp8390_softc *dsc = &nsc->sc_dp8390;
127 struct neptune_attach_args *na = aux;
128 bus_space_tag_t nict = na->na_bst;
129 bus_space_handle_t nich;
130 bus_space_tag_t asict = nict;
131 bus_space_handle_t asich;
132 const char *typestr;
133 int netype;
134
135 dsc->sc_dev = self;
136 aprint_normal("\n");
137
138 /* Map i/o space. */
139 if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich)) {
140 aprint_error_dev(self, "can't map i/o space\n");
141 return;
142 }
143
144 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
145 NE2000_ASIC_NPORTS*2, &asich)) {
146 aprint_error_dev(self, "can't subregion i/o space\n");
147 return;
148 }
149
150 dsc->sc_regt = nict;
151 dsc->sc_regh = nich;
152
153 nsc->sc_asict = asict;
154 nsc->sc_asich = asich;
155
156 /*
157 * Detect it again, so we can print some information about the
158 * interface.
159 */
160 netype = ne2000_detect(nict, nich, asict, asich);
161 switch (netype) {
162 case NE2000_TYPE_NE1000:
163 typestr = "NE1000";
164 break;
165
166 case NE2000_TYPE_NE2000:
167 typestr = "NE2000";
168 /*
169 * Check for a Realtek 8019.
170 */
171 bus_space_write_1(nict, nich, ED_P0_CR,
172 ED_CR_PAGE_0 | ED_CR_STP);
173 if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) ==
174 RTL0_8019ID0 &&
175 bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) ==
176 RTL0_8019ID1) {
177 typestr = "NE2000 (RTL8019)";
178 dsc->sc_mediachange = rtl80x9_mediachange;
179 dsc->sc_mediastatus = rtl80x9_mediastatus;
180 dsc->init_card = rtl80x9_init_card;
181 dsc->sc_media_init = rtl80x9_media_init;
182 }
183 break;
184
185 default:
186 aprint_error_dev(self, "where did the card go?!\n");
187 return;
188 }
189
190 aprint_normal_dev(self, "%s Ethernet\n", typestr);
191
192 /* This interface is always enabled. */
193 dsc->sc_enabled = 1;
194
195 /*
196 * Do generic NE2000 attach. This will read the station address
197 * from the EEPROM.
198 */
199 ne2000_attach(nsc, NULL);
200
201 /* Establish the interrupt handler. */
202 if (neptune_intr_establish(na->na_intr, "ne", dp8390_intr, dsc))
203 aprint_error_dev(self,
204 "couldn't establish interrupt handler\n");
205 }
206