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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
/* $OpenBSD: if_le.c,v 1.11 1997/08/08 08:26:31 downsj Exp $ */
/* $NetBSD: if_le.c,v 1.43 1997/05/05 21:05:32 thorpej Exp $ */
/*-
* Copyright (c) 1995 Charles M. Hannum. All rights reserved.
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell and Rick Macklem.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* @(#)if_le.c 8.2 (Berkeley) 11/16/93
*/
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/syslog.h>
#include <sys/socket.h>
#include <sys/device.h>
#include <net/if.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_ether.h>
#endif
#include <machine/autoconf.h>
#include <machine/cpu.h>
#include <machine/intr.h>
#include <dev/ic/am7990reg.h>
#include <dev/ic/am7990var.h>
#include <hp300/dev/dioreg.h>
#include <hp300/dev/diovar.h>
#include <hp300/dev/diodevs.h>
#include <hp300/dev/if_lereg.h>
#include <hp300/dev/if_levar.h>
#include "opt_useleds.h"
#ifdef USELEDS
#include <hp300/hp300/leds.h>
#endif
int lematch __P((struct device *, void *, void *));
void leattach __P((struct device *, struct device *, void *));
struct cfattach le_ca = {
sizeof(struct le_softc), lematch, leattach
};
int leintr __P((void *));
/* offsets for: ID, REGS, MEM, NVRAM */
int lestd[] = { 0, 0x4000, 0x8000, 0xC008 };
hide void lewrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t));
hide u_int16_t lerdcsr __P((struct am7990_softc *, u_int16_t));
hide void
lewrcsr(sc, port, val)
struct am7990_softc *sc;
u_int16_t port, val;
{
struct lereg0 *ler0 = ((struct le_softc *)sc)->sc_r0;
struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
do {
ler1->ler1_rap = port;
} while ((ler0->ler0_status & LE_ACK) == 0);
do {
ler1->ler1_rdp = val;
} while ((ler0->ler0_status & LE_ACK) == 0);
}
hide u_int16_t
lerdcsr(sc, port)
struct am7990_softc *sc;
u_int16_t port;
{
struct lereg0 *ler0 = ((struct le_softc *)sc)->sc_r0;
struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
u_int16_t val;
do {
ler1->ler1_rap = port;
} while ((ler0->ler0_status & LE_ACK) == 0);
do {
val = ler1->ler1_rdp;
} while ((ler0->ler0_status & LE_ACK) == 0);
return (val);
}
int
lematch(parent, match, aux)
struct device *parent;
void *match, *aux;
{
struct dio_attach_args *da = aux;
if ((da->da_id == DIO_DEVICE_ID_LAN) ||
(da->da_id == DIO_DEVICE_ID_LANREM))
return (1);
return (0);
}
/*
* Interface exists: make available by filling in network interface
* record. System will initialize the interface when it is ready
* to accept packets.
*/
void
leattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct lereg0 *ler0;
struct dio_attach_args *da = aux;
struct le_softc *lesc = (struct le_softc *)self;
caddr_t addr;
struct am7990_softc *sc = &lesc->sc_am7990;
char *cp;
int i, ipl;
addr = iomap(dio_scodetopa(da->da_scode), da->da_size);
if (addr == 0) {
printf("\n%s: can't map LANCE registers\n",
sc->sc_dev.dv_xname);
return;
}
ler0 = lesc->sc_r0 = (struct lereg0 *)(lestd[0] + (int)addr);
ler0->ler0_id = 0xFF;
DELAY(100);
ipl = DIO_IPL(addr);
printf(" ipl %d", ipl);
lesc->sc_r1 = (struct lereg1 *)(lestd[1] + (int)addr);
sc->sc_mem = (void *)(lestd[2] + (int)addr);
sc->sc_conf3 = LE_C3_BSWP;
sc->sc_addr = 0;
sc->sc_memsize = 16384;
/*
* Read the ethernet address off the board, one nibble at a time.
*/
cp = (char *)(lestd[3] + (int)addr);
for (i = 0; i < sizeof(sc->sc_arpcom.ac_enaddr); i++) {
sc->sc_arpcom.ac_enaddr[i] = (*++cp & 0xF) << 4;
cp++;
sc->sc_arpcom.ac_enaddr[i] |= *++cp & 0xF;
cp++;
}
sc->sc_copytodesc = am7990_copytobuf_contig;
sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
sc->sc_copytobuf = am7990_copytobuf_contig;
sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
sc->sc_zerobuf = am7990_zerobuf_contig;
sc->sc_rdcsr = lerdcsr;
sc->sc_wrcsr = lewrcsr;
sc->sc_hwreset = NULL;
sc->sc_hwinit = NULL;
am7990_config(sc);
/* Establish the interrupt handler. */
(void) dio_intr_establish(leintr, sc, ipl, IPL_NET);
ler0->ler0_status = LE_IE;
}
int
leintr(arg)
void *arg;
{
struct am7990_softc *sc = arg;
#ifdef USELEDS
u_int16_t isr;
isr = lerdcsr(sc, LE_CSR0);
if ((isr & LE_C0_INTR) == 0)
return (0);
if (isr & LE_C0_RINT)
ledcontrol(0, 0, LED_LANRCV);
if (isr & LE_C0_TINT)
ledcontrol(0, 0, LED_LANXMT);
#endif /* USELEDS */
return (am7990_intr(sc));
}
|
