1 /* $NetBSD: if_sm_nubus.c,v 1.10 2012/10/27 17:17:59 chs Exp $ */
2
3 /*
4 * Copyright (c) 2000 Allen Briggs.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #include <sys/cdefs.h>
31 __KERNEL_RCSID(0, "$NetBSD: if_sm_nubus.c,v 1.10 2012/10/27 17:17:59 chs Exp $");
32
33 #include "opt_inet.h"
34
35 #include <sys/param.h>
36 #include <sys/device.h>
37 #include <sys/errno.h>
38 #include <sys/ioctl.h>
39 #include <sys/socket.h>
40 #include <sys/syslog.h>
41 #include <sys/systm.h>
42
43 #include <net/if.h>
44 #include <net/if_ether.h>
45 #include <net/if_media.h>
46
47 #include <machine/bus.h>
48 #include <machine/viareg.h>
49
50 #include <dev/mii/mii.h>
51 #include <dev/mii/miivar.h>
52
53 #include <dev/ic/smc91cxxreg.h>
54 #include <dev/ic/smc91cxxvar.h>
55
56 #include <mac68k/nubus/nubus.h>
57
58 static int sm_nubus_match(device_t, cfdata_t, void *);
59 static void sm_nubus_attach(device_t, device_t, void *);
60
61 CFATTACH_DECL_NEW(sm_nubus, sizeof(struct smc91cxx_softc),
62 sm_nubus_match, sm_nubus_attach, NULL, NULL);
63
64 static int
sm_nubus_match(device_t parent,cfdata_t cf,void * aux)65 sm_nubus_match(device_t parent, cfdata_t cf, void *aux)
66 {
67 struct nubus_attach_args *na = (struct nubus_attach_args *) aux;
68 bus_space_handle_t bsh;
69 int rv;
70
71 if (bus_space_map(na->na_tag,
72 NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh))
73 return (0);
74
75 rv = 0;
76
77 if (na->category == NUBUS_CATEGORY_NETWORK &&
78 na->type == NUBUS_TYPE_ETHERNET) {
79 switch (na->drsw) {
80 case NUBUS_DRSW_FOCUS:
81 case NUBUS_DRSW_ASANTEF:
82 rv = 1;
83 break;
84 default:
85 rv = 0;
86 break;
87 }
88 }
89
90 bus_space_unmap(na->na_tag, bsh, NBMEMSIZE);
91
92 return rv;
93 }
94
95 /*
96 * Install interface into kernel networking data structures
97 */
98 static void
sm_nubus_attach(device_t parent,device_t self,void * aux)99 sm_nubus_attach(device_t parent, device_t self, void *aux)
100 {
101 struct smc91cxx_softc *smc = device_private(self);
102 struct nubus_attach_args *na = (struct nubus_attach_args *)aux;
103 bus_space_tag_t bst = na->na_tag;
104 bus_space_handle_t bsh, prom_bsh;
105 u_int8_t myaddr[ETHER_ADDR_LEN];
106 int i, success;
107 const char *cardtype;
108
109 bst = na->na_tag;
110 if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) {
111 printf(": failed to map memory space.\n");
112 return;
113 }
114
115 mac68k_bus_space_handle_swapped(bst, &bsh);
116
117 smc->sc_dev = self;
118 smc->sc_bst = bst;
119 smc->sc_bsh = bsh;
120
121 cardtype = nubus_get_card_name(bst, bsh, na->fmt);
122
123 success = 0;
124
125 switch (na->drsw) {
126 case NUBUS_DRSW_FOCUS:
127 if (bus_space_subregion(bst, bsh, 0xFF8000, 0x20, &prom_bsh)) {
128 printf(": failed to map EEPROM space.\n");
129 break;
130 }
131
132 success = 1;
133 break;
134 case NUBUS_DRSW_ASANTEF:
135 if (bus_space_subregion(bst, bsh, 0xFE0000, 0x20, &prom_bsh)) {
136 printf(": failed to map EEPROM space.\n");
137 break;
138 }
139
140 success = 1;
141 break;
142 }
143
144 if (!success) {
145 bus_space_unmap(bst, bsh, NBMEMSIZE);
146 return;
147 }
148 for (i=0 ; i<6 ; i++) {
149 myaddr[i] = bus_space_read_1(bst, prom_bsh, i*4);
150 }
151
152 smc->sc_flags |= SMC_FLAGS_ENABLED;
153
154 printf(": %s\n", cardtype);
155
156 smc91cxx_attach(smc, myaddr);
157
158 add_nubus_intr(na->slot, (void (*)(void *))smc91cxx_intr, smc);
159 }
160