1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/* $OpenBSD: if_sm_isa.c,v 1.16 2022/04/06 18:59:28 naddy Exp $ */
/* $NetBSD: if_sm_isa.c,v 1.4 1998/07/05 06:49:14 jonathan Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/syslog.h>
#include <sys/selinfo.h>
#include <sys/timeout.h>
#include <sys/device.h>
#include <net/if.h>
#include <net/if_media.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#if NBPFILTER > 0
#include <net/bpf.h>
#endif
#include <machine/intr.h>
#include <machine/bus.h>
#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>
#include <dev/ic/smc91cxxreg.h>
#include <dev/ic/smc91cxxvar.h>
#include <dev/isa/isavar.h>
int sm_isa_match(struct device *, void *, void *);
void sm_isa_attach(struct device *, struct device *, void *);
struct sm_isa_softc {
struct smc91cxx_softc sc_smc; /* real "smc" softc */
/* ISA-specific goo. */
void *sc_ih; /* interrupt cookie */
};
const struct cfattach sm_isa_ca = {
sizeof(struct sm_isa_softc), sm_isa_match, sm_isa_attach
};
int
sm_isa_match(struct device *parent, void *match, void *aux)
{
struct isa_attach_args *ia = aux;
bus_space_tag_t iot = ia->ia_iot;
bus_space_handle_t ioh;
u_int16_t tmp;
int rv = 0;
extern const char *smc91cxx_idstrs[];
/* Disallow wildcarded values. */
if (ia->ia_irq == -1)
return (0);
if (ia->ia_iobase == -1)
return (0);
/* Map i/o space. */
if (bus_space_map(iot, ia->ia_iobase, SMC_IOSIZE, 0, &ioh))
return (0);
/* Check that high byte of BANK_SELECT is what we expect. */
tmp = bus_space_read_2(iot, ioh, BANK_SELECT_REG_W);
if ((tmp & BSR_DETECT_MASK) != BSR_DETECT_VALUE)
goto out;
/*
* Switch to bank 0 and perform the test again.
* XXX INVASIVE!
*/
bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 0);
tmp = bus_space_read_2(iot, ioh, BANK_SELECT_REG_W);
if ((tmp & BSR_DETECT_MASK) != BSR_DETECT_VALUE)
goto out;
/*
* Switch to bank 1 and check the base address register.
* XXX INVASIVE!
*/
bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 1);
tmp = bus_space_read_2(iot, ioh, BASE_ADDR_REG_W);
if (ia->ia_iobase != ((tmp >> 3) & 0x3e0))
goto out;
/*
* Check for a recognized chip id.
* XXX INVASIVE!
*/
bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 3);
tmp = bus_space_read_2(iot, ioh, REVISION_REG_W);
if (smc91cxx_idstrs[RR_ID(tmp)] == NULL)
goto out;
/*
* Assume we have an SMC91Cxx.
*/
ia->ia_iosize = SMC_IOSIZE;
rv = 1;
out:
bus_space_unmap(iot, ioh, SMC_IOSIZE);
return (rv);
}
void
sm_isa_attach(struct device *parent, struct device *self, void *aux)
{
struct sm_isa_softc *isc = (struct sm_isa_softc *)self;
struct smc91cxx_softc *sc = &isc->sc_smc;
struct isa_attach_args *ia = aux;
bus_space_tag_t iot = ia->ia_iot;
bus_space_handle_t ioh;
printf("\n");
/* Map i/o space. */
if (bus_space_map(iot, ia->ia_iobase, ia->ia_iosize, 0, &ioh))
panic("sm_isa_attach: can't map i/o space");
sc->sc_bst = iot;
sc->sc_bsh = ioh;
/* should always be enabled */
sc->sc_enabled = 1;
/* XXX Should get Ethernet address from EEPROM!! */
/* Perform generic initialization. */
smc91cxx_attach(sc, NULL);
/* Establish the interrupt handler. */
isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
IPL_NET, smc91cxx_intr, sc, sc->sc_dev.dv_xname);
if (isc->sc_ih == NULL)
printf("%s: couldn't establish interrupt handler\n",
sc->sc_dev.dv_xname);
}
|
