xref: /netbsd/sys/arch/mac68k/nubus/if_sm_nubus.c (revision bf9ec67e)
1 /*	$NetBSD: if_sm_nubus.c,v 1.2 2000/08/01 13:08:39 briggs 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 "opt_inet.h"
31 
32 #include <sys/param.h>
33 #include <sys/device.h>
34 #include <sys/errno.h>
35 #include <sys/ioctl.h>
36 #include <sys/socket.h>
37 #include <sys/syslog.h>
38 #include <sys/systm.h>
39 
40 #include <net/if.h>
41 #include <net/if_ether.h>
42 #include <net/if_media.h>
43 
44 #include <machine/bus.h>
45 #include <machine/viareg.h>
46 
47 #include <dev/mii/mii.h>
48 #include <dev/mii/miivar.h>
49 
50 #include <dev/ic/smc91cxxreg.h>
51 #include <dev/ic/smc91cxxvar.h>
52 
53 #include <mac68k/nubus/nubus.h>
54 
55 static int	sm_nubus_match __P((struct device *, struct cfdata *, void *));
56 static void	sm_nubus_attach __P((struct device *, struct device *, void *));
57 
58 struct cfattach sm_nubus_ca = {
59 	sizeof(struct smc91cxx_softc), sm_nubus_match, sm_nubus_attach
60 };
61 
62 static int
63 sm_nubus_match(parent, cf, aux)
64 	struct device *parent;
65 	struct cfdata *cf;
66 	void *aux;
67 {
68 	struct nubus_attach_args *na = (struct nubus_attach_args *) aux;
69 	bus_space_handle_t bsh;
70 	int rv;
71 
72 	if (bus_space_map(na->na_tag,
73 	    NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh))
74 		return (0);
75 
76 	rv = 0;
77 
78 	if (na->category == NUBUS_CATEGORY_NETWORK &&
79 	    na->type == NUBUS_TYPE_ETHERNET) {
80 		switch (na->drsw) {
81 	    	case NUBUS_DRSW_FOCUS:
82 	    	case NUBUS_DRSW_ASANTEF:
83 			rv = 1;
84 			break;
85 		default:
86 			rv = 0;
87 			break;
88 		}
89 	}
90 
91 	bus_space_unmap(na->na_tag, bsh, NBMEMSIZE);
92 
93 	return rv;
94 }
95 
96 /*
97  * Install interface into kernel networking data structures
98  */
99 static void
100 sm_nubus_attach(parent, self, aux)
101 	struct device *parent, *self;
102 	void   *aux;
103 {
104 	struct smc91cxx_softc *smc = (struct smc91cxx_softc *) self;
105 	struct nubus_attach_args *na = (struct nubus_attach_args *)aux;
106 	bus_space_tag_t	bst = na->na_tag;
107 	bus_space_handle_t bsh, prom_bsh;
108 	u_int8_t myaddr[ETHER_ADDR_LEN];
109 	int i, success;
110 	char *cardtype;
111 
112 	bst = na->na_tag;
113 	if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) {
114 		printf(": failed to map memory space.\n");
115 		return;
116 	}
117 
118 	mac68k_bus_space_handle_swapped(bst, &bsh);
119 
120 	smc->sc_bst = bst;
121 	smc->sc_bsh = bsh;
122 
123 	cardtype = nubus_get_card_name(bst, bsh, na->fmt);
124 
125 	success = 0;
126 
127 	switch (na->drsw) {
128 	case NUBUS_DRSW_FOCUS:
129 		if (bus_space_subregion(bst, bsh, 0xFF8000, 0x20, &prom_bsh)) {
130 			printf(": failed to map EEPROM space.\n");
131 			break;
132 		}
133 
134 		success = 1;
135 		break;
136 	case NUBUS_DRSW_ASANTEF:
137 		if (bus_space_subregion(bst, bsh, 0xFE0000, 0x20, &prom_bsh)) {
138 			printf(": failed to map EEPROM space.\n");
139 			break;
140 		}
141 
142 		success = 1;
143 		break;
144 	}
145 
146 	if (!success) {
147 		bus_space_unmap(bst, bsh, NBMEMSIZE);
148 		return;
149 	}
150 	for (i=0 ; i<6 ; i++) {
151 		myaddr[i] = bus_space_read_1(bst, prom_bsh, i*4);
152 	}
153 
154 	smc->sc_flags |= SMC_FLAGS_ENABLED;
155 
156 	printf(": %s\n", cardtype);
157 
158 	smc91cxx_attach(smc, myaddr);
159 
160 	add_nubus_intr(na->slot, (void (*)(void *))smc91cxx_intr, smc);
161 }
162