xref: /netbsd/sys/dev/ic/fmv.c (revision c4a72b64)
1 /*	$NetBSD: fmv.c,v 1.3 2002/11/30 14:15:11 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 1.3 2002/11/30 14:15:11 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 <machine/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 /*
53  * Determine type and ethernet address.
54  */
55 int
56 fmv_detect(iot, ioh, enaddr)
57 	bus_space_tag_t iot;
58 	bus_space_handle_t ioh;
59 	u_int8_t *enaddr;
60 {
61 	int model, id, type;
62 
63 	/* Get our station address from EEPROM. */
64 	bus_space_read_region_1(iot, ioh, FE_FMV4, enaddr, ETHER_ADDR_LEN);
65 
66 	/* Make sure we got a valid station address. */
67 	if ((enaddr[0] & 0x03) != 0x00 ||
68 	    (enaddr[0] == 0x00 && enaddr[1] == 0x00 && enaddr[2] == 0x00)) {
69 #ifdef FMV_DEBUG
70 		printf("fmv_detect: invalid ethernet address\n");
71 #endif
72 		return (0);
73 	}
74 
75 	/* Determine the card type. */
76 	model = bus_space_read_1(iot, ioh, FE_FMV0) & FE_FMV0_MODEL;
77 	id    = bus_space_read_1(iot, ioh, FE_FMV1) & FE_FMV1_CARDID_REV;
78 
79 	switch (model) {
80 	case FE_FMV0_MODEL_FMV181:
81 		type = FE_TYPE_FMV181;
82 		if (id == FE_FMV1_CARDID_REV_A)
83 			type = FE_TYPE_FMV181A;
84 		break;
85 	case FE_FMV0_MODEL_FMV182:
86 		type = FE_TYPE_FMV182;
87 		if (id == FE_FMV1_CARDID_REV_A)
88 			type = FE_TYPE_FMV182A;
89 		else if (id == FE_FMV1_CARDID_PNP)
90 			type = FE_TYPE_FMV184;
91 		break;
92 	case FE_FMV0_MODEL_FMV183:
93 		type = FE_TYPE_FMV183;
94 		break;
95 	default:
96 		type = 0;
97 #ifdef FMV_DEBUG
98 		printf("fmv_detect: unknown card\n");
99 #endif
100 		break;
101 	}
102 
103 	return (type);
104 }
105 
106 void
107 fmv_attach(sc)
108 	struct mb86960_softc *sc;
109 {
110 	bus_space_tag_t iot;
111 	bus_space_handle_t ioh;
112 	const char *typestr;
113 	int type;
114 	u_int8_t myea[ETHER_ADDR_LEN];
115 
116 	iot = sc->sc_bst;
117 	ioh = sc->sc_bsh;
118 
119 	/* Determine the card type. */
120 	type = fmv_detect(iot, ioh, myea);
121 	switch (type) {
122 	case FE_TYPE_FMV181:
123 		typestr = "FMV-181";
124 		break;
125 	case FE_TYPE_FMV181A:
126 		typestr = "FMV-181A";
127 		break;
128 	case FE_TYPE_FMV182:
129 		typestr = "FMV-182";
130 		break;
131 	case FE_TYPE_FMV182A:
132 		typestr = "FMV-182A";
133 		break;
134 	case FE_TYPE_FMV183:
135 		typestr = "FMV-183";
136 		break;
137 	case FE_TYPE_FMV184:
138 		typestr = "FMV-184";
139 		break;
140 	default:
141 	  	/* Unknown card type: maybe a new model, but... */
142 		panic("\n%s: unknown FMV-18x card", sc->sc_dev.dv_xname);
143 	}
144 
145 	printf(": %s Ethernet\n", typestr);
146 
147 	/* This interface is always enabled. */
148 	sc->sc_stat |= FE_STAT_ENABLED;
149 
150 	/*
151 	 * Minimum initialization of the hardware.
152 	 * We write into registers; hope I/O ports have no
153 	 * overlap with other boards.
154 	 */
155 
156 	/* Initialize ASIC. */
157 	bus_space_write_1(iot, ioh, FE_FMV3, 0);
158 	bus_space_write_1(iot, ioh, FE_FMV10, 0);
159 
160 	/* Wait for a while.  I'm not sure this is necessary.  FIXME */
161 	delay(200);
162 
163 	/*
164 	 * Do generic MB86960 attach.
165 	 */
166 	mb86960_attach(sc, myea);
167 
168 	/* Is this really needs to be done here? XXX */
169 	/* Turn the "master interrupt control" flag of ASIC on. */
170 	bus_space_write_1(iot, ioh, FE_FMV3, FE_FMV3_ENABLE_FLAG);
171 
172 	mb86960_config(sc, NULL, 0, 0);
173 }
174