1 /* $NetBSD: fmv.c,v 1.10 2008/04/12 06:27:01 tsutsui Exp $ */
2
3 /*
4 * All Rights Reserved, Copyright (C) Fujitsu Limited 1995
5 *
6 * This software may be used, modified, copied, distributed, and sold, in
7 * both source and binary form provided that the above copyright, these
8 * terms and the following disclaimer are retained. The name of the author
9 * and/or the contributor may not be used to endorse or promote products
10 * derived from this software without specific prior written permission.
11 *
12 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND THE CONTRIBUTOR ``AS IS'' AND
13 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
14 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
15 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR THE CONTRIBUTOR BE LIABLE
16 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
17 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
18 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION.
19 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
20 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
21 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
22 * SUCH DAMAGE.
23 */
24
25 /*
26 * Portions copyright (C) 1993, David Greenman. This software may be used,
27 * modified, copied, distributed, and sold, in both source and binary form
28 * provided that the above copyright and these terms are retained. Under no
29 * circumstances is the author responsible for the proper functioning of this
30 * software, nor does the author assume any responsibility for damages
31 * incurred with its use.
32 */
33
34 #include <sys/cdefs.h>
35 __KERNEL_RCSID(0, "$NetBSD: fmv.c,v 1.10 2008/04/12 06:27:01 tsutsui Exp $");
36
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/device.h>
40
41 #include <net/if.h>
42 #include <net/if_ether.h>
43 #include <net/if_media.h>
44
45 #include <sys/bus.h>
46
47 #include <dev/ic/mb86960reg.h>
48 #include <dev/ic/mb86960var.h>
49 #include <dev/ic/fmvreg.h>
50 #include <dev/ic/fmvvar.h>
51
52 #ifdef FMV_DEBUG
53 #define DPRINTF printf
54 #else
55 #define DPRINTF while (/* CONSTCOND */0) printf
56 #endif
57
58 /*
59 * Determine type and ethernet address.
60 */
61 int
fmv_detect(bus_space_tag_t iot,bus_space_handle_t ioh,uint8_t * enaddr)62 fmv_detect(bus_space_tag_t iot, bus_space_handle_t ioh, uint8_t *enaddr)
63 {
64 int model, id, type;
65
66 /* Get our station address from EEPROM. */
67 bus_space_read_region_1(iot, ioh, FE_FMV4, enaddr, ETHER_ADDR_LEN);
68
69 /* Make sure we got a valid station address. */
70 if ((enaddr[0] & 0x03) != 0x00 ||
71 (enaddr[0] == 0x00 && enaddr[1] == 0x00 && enaddr[2] == 0x00)) {
72 DPRINTF("%s: invalid ethernet address\n", __func__);
73 return 0;
74 }
75
76 /* Determine the card type. */
77 model = bus_space_read_1(iot, ioh, FE_FMV0) & FE_FMV0_MODEL;
78 id = bus_space_read_1(iot, ioh, FE_FMV1) & FE_FMV1_CARDID_REV;
79
80 switch (model) {
81 case FE_FMV0_MODEL_FMV181:
82 type = FE_TYPE_FMV181;
83 if (id == FE_FMV1_CARDID_REV_A)
84 type = FE_TYPE_FMV181A;
85 break;
86 case FE_FMV0_MODEL_FMV182:
87 type = FE_TYPE_FMV182;
88 if (id == FE_FMV1_CARDID_REV_A)
89 type = FE_TYPE_FMV182A;
90 else if (id == FE_FMV1_CARDID_PNP)
91 type = FE_TYPE_FMV184;
92 break;
93 case FE_FMV0_MODEL_FMV183:
94 type = FE_TYPE_FMV183;
95 break;
96 default:
97 type = 0;
98 DPRINTF("%s: unknown card\n", __func__);
99 break;
100 }
101
102 return type;
103 }
104
105 void
fmv_attach(struct mb86960_softc * sc)106 fmv_attach(struct mb86960_softc *sc)
107 {
108 bus_space_tag_t iot;
109 bus_space_handle_t ioh;
110 const char *typestr;
111 int type;
112 uint8_t myea[ETHER_ADDR_LEN];
113
114 iot = sc->sc_bst;
115 ioh = sc->sc_bsh;
116
117 /* Determine the card type. */
118 type = fmv_detect(iot, ioh, myea);
119 switch (type) {
120 case FE_TYPE_FMV181:
121 typestr = "FMV-181";
122 break;
123 case FE_TYPE_FMV181A:
124 typestr = "FMV-181A";
125 break;
126 case FE_TYPE_FMV182:
127 typestr = "FMV-182";
128 break;
129 case FE_TYPE_FMV182A:
130 typestr = "FMV-182A";
131 break;
132 case FE_TYPE_FMV183:
133 typestr = "FMV-183";
134 break;
135 case FE_TYPE_FMV184:
136 typestr = "FMV-184";
137 break;
138 default:
139 /* Unknown card type: maybe a new model, but... */
140 aprint_normal("\n");
141 panic("%s: unknown FMV-18x card", device_xname(sc->sc_dev));
142 }
143
144 aprint_normal(": %s Ethernet\n", typestr);
145
146 /* This interface is always enabled. */
147 sc->sc_stat |= FE_STAT_ENABLED;
148
149 /*
150 * Minimum initialization of the hardware.
151 * We write into registers; hope I/O ports have no
152 * overlap with other boards.
153 */
154
155 /* Initialize ASIC. */
156 bus_space_write_1(iot, ioh, FE_FMV3, 0);
157 bus_space_write_1(iot, ioh, FE_FMV10, 0);
158
159 /* Wait for a while. I'm not sure this is necessary. FIXME */
160 delay(200);
161
162 /*
163 * Do generic MB86960 attach.
164 */
165 mb86960_attach(sc, myea);
166
167 /* Is this really needs to be done here? XXX */
168 /* Turn the "master interrupt control" flag of ASIC on. */
169 bus_space_write_1(iot, ioh, FE_FMV3, FE_FMV3_ENABLE_FLAG);
170
171 mb86960_config(sc, NULL, 0, 0);
172 }
173