xref: /netbsd/sys/arch/mac68k/nubus/if_sm_nubus.c (revision c4a72b64)
1 /*	$NetBSD: if_sm_nubus.c,v 1.4 2002/10/02 05:36:38 thorpej 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 CFATTACH_DECL(sm_nubus, sizeof(struct smc91cxx_softc),
59     sm_nubus_match, sm_nubus_attach, NULL, NULL);
60 
61 static int
62 sm_nubus_match(parent, cf, aux)
63 	struct device *parent;
64 	struct cfdata *cf;
65 	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
99 sm_nubus_attach(parent, self, aux)
100 	struct device *parent, *self;
101 	void   *aux;
102 {
103 	struct smc91cxx_softc *smc = (struct smc91cxx_softc *) self;
104 	struct nubus_attach_args *na = (struct nubus_attach_args *)aux;
105 	bus_space_tag_t	bst = na->na_tag;
106 	bus_space_handle_t bsh, prom_bsh;
107 	u_int8_t myaddr[ETHER_ADDR_LEN];
108 	int i, success;
109 	char *cardtype;
110 
111 	bst = na->na_tag;
112 	if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) {
113 		printf(": failed to map memory space.\n");
114 		return;
115 	}
116 
117 	mac68k_bus_space_handle_swapped(bst, &bsh);
118 
119 	smc->sc_bst = bst;
120 	smc->sc_bsh = bsh;
121 
122 	cardtype = nubus_get_card_name(bst, bsh, na->fmt);
123 
124 	success = 0;
125 
126 	switch (na->drsw) {
127 	case NUBUS_DRSW_FOCUS:
128 		if (bus_space_subregion(bst, bsh, 0xFF8000, 0x20, &prom_bsh)) {
129 			printf(": failed to map EEPROM space.\n");
130 			break;
131 		}
132 
133 		success = 1;
134 		break;
135 	case NUBUS_DRSW_ASANTEF:
136 		if (bus_space_subregion(bst, bsh, 0xFE0000, 0x20, &prom_bsh)) {
137 			printf(": failed to map EEPROM space.\n");
138 			break;
139 		}
140 
141 		success = 1;
142 		break;
143 	}
144 
145 	if (!success) {
146 		bus_space_unmap(bst, bsh, NBMEMSIZE);
147 		return;
148 	}
149 	for (i=0 ; i<6 ; i++) {
150 		myaddr[i] = bus_space_read_1(bst, prom_bsh, i*4);
151 	}
152 
153 	smc->sc_flags |= SMC_FLAGS_ENABLED;
154 
155 	printf(": %s\n", cardtype);
156 
157 	smc91cxx_attach(smc, myaddr);
158 
159 	add_nubus_intr(na->slot, (void (*)(void *))smc91cxx_intr, smc);
160 }
161