1 /* $OpenBSD: if_sm_isa.c,v 1.9 2006/06/17 17:57:00 brad Exp $ */
2 /* $NetBSD: if_sm_isa.c,v 1.4 1998/07/05 06:49:14 jonathan Exp $ */
3
4 /*-
5 * Copyright (c) 1997 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
10 * NASA Ames Research Center.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the NetBSD
23 * Foundation, Inc. and its contributors.
24 * 4. Neither the name of The NetBSD Foundation nor the names of its
25 * contributors may be used to endorse or promote products derived
26 * from this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
39 */
40
41 #include "bpfilter.h"
42
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/mbuf.h>
46 #include <sys/socket.h>
47 #include <sys/ioctl.h>
48 #include <sys/errno.h>
49 #include <sys/syslog.h>
50 #include <sys/selinfo.h>
51 #include <sys/timeout.h>
52 #include <sys/device.h>
53
54 #include <net/if.h>
55 #include <net/if_dl.h>
56 #include <net/if_media.h>
57
58 #ifdef INET
59 #include <netinet/in.h>
60 #include <netinet/in_systm.h>
61 #include <netinet/in_var.h>
62 #include <netinet/ip.h>
63 #include <netinet/if_ether.h>
64 #endif
65
66 #if NBPFILTER > 0
67 #include <net/bpf.h>
68 #endif
69
70 #include <machine/intr.h>
71 #include <machine/bus.h>
72
73 #include <net/if_media.h>
74
75 #include <dev/mii/mii.h>
76 #include <dev/mii/miivar.h>
77
78 #include <dev/ic/smc91cxxreg.h>
79 #include <dev/ic/smc91cxxvar.h>
80
81 #include <dev/isa/isavar.h>
82
83 int sm_isa_match(struct device *, void *, void *);
84 void sm_isa_attach(struct device *, struct device *, void *);
85
86 struct sm_isa_softc {
87 struct smc91cxx_softc sc_smc; /* real "smc" softc */
88
89 /* ISA-specific goo. */
90 void *sc_ih; /* interrupt cookie */
91 };
92
93 struct cfattach sm_isa_ca = {
94 sizeof(struct sm_isa_softc), sm_isa_match, sm_isa_attach
95 };
96
97 int
98 sm_isa_match(parent, match, aux)
99 struct device *parent;
100 void *match, *aux;
101 {
102 struct isa_attach_args *ia = aux;
103 bus_space_tag_t iot = ia->ia_iot;
104 bus_space_handle_t ioh;
105 u_int16_t tmp;
106 int rv = 0;
107 extern const char *smc91cxx_idstrs[];
108
109 /* Disallow wildcarded values. */
110 if (ia->ia_irq == -1)
111 return (0);
112 if (ia->ia_iobase == -1)
113 return (0);
114
115 /* Map i/o space. */
116 if (bus_space_map(iot, ia->ia_iobase, SMC_IOSIZE, 0, &ioh))
117 return (0);
118
119 /* Check that high byte of BANK_SELECT is what we expect. */
120 tmp = bus_space_read_2(iot, ioh, BANK_SELECT_REG_W);
121 if ((tmp & BSR_DETECT_MASK) != BSR_DETECT_VALUE)
122 goto out;
123
124 /*
125 * Switch to bank 0 and perform the test again.
126 * XXX INVASIVE!
127 */
128 bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 0);
129 tmp = bus_space_read_2(iot, ioh, BANK_SELECT_REG_W);
130 if ((tmp & BSR_DETECT_MASK) != BSR_DETECT_VALUE)
131 goto out;
132
133 /*
134 * Switch to bank 1 and check the base address register.
135 * XXX INVASIVE!
136 */
137 bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 1);
138 tmp = bus_space_read_2(iot, ioh, BASE_ADDR_REG_W);
139 if (ia->ia_iobase != ((tmp >> 3) & 0x3e0))
140 goto out;
141
142 /*
143 * Check for a recognized chip id.
144 * XXX INVASIVE!
145 */
146 bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 3);
147 tmp = bus_space_read_2(iot, ioh, REVISION_REG_W);
148 if (smc91cxx_idstrs[RR_ID(tmp)] == NULL)
149 goto out;
150
151 /*
152 * Assume we have an SMC91Cxx.
153 */
154 ia->ia_iosize = SMC_IOSIZE;
155 rv = 1;
156
157 out:
158 bus_space_unmap(iot, ioh, SMC_IOSIZE);
159 return (rv);
160 }
161
162 void
163 sm_isa_attach(parent, self, aux)
164 struct device *parent, *self;
165 void *aux;
166 {
167 struct sm_isa_softc *isc = (struct sm_isa_softc *)self;
168 struct smc91cxx_softc *sc = &isc->sc_smc;
169 struct isa_attach_args *ia = aux;
170 bus_space_tag_t iot = ia->ia_iot;
171 bus_space_handle_t ioh;
172
173 printf("\n");
174
175 /* Map i/o space. */
176 if (bus_space_map(iot, ia->ia_iobase, ia->ia_iosize, 0, &ioh))
177 panic("sm_isa_attach: can't map i/o space");
178
179 sc->sc_bst = iot;
180 sc->sc_bsh = ioh;
181
182 /* should always be enabled */
183 sc->sc_enabled = 1;
184
185 /* XXX Should get Ethernet address from EEPROM!! */
186
187 /* Perform generic initialization. */
188 smc91cxx_attach(sc, NULL);
189
190 /* Establish the interrupt handler. */
191 isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
192 IPL_NET, smc91cxx_intr, sc, sc->sc_dev.dv_xname);
193 if (isc->sc_ih == NULL)
194 printf("%s: couldn't establish interrupt handler\n",
195 sc->sc_dev.dv_xname);
196 }