if_ea.c revision 1.1 
1/* $NetBSD: if_ea.c,v 1.1 2001/03/24 00:14:53 bjh21 Exp $ */
2
3/*
4 * Copyright (c) 2000, 2001 Ben Harris
5 * Copyright (c) 1995 Mark Brinicombe
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by Mark Brinicombe.
19 * 4. The name of the company nor the name of the author may be used to
20 *    endorse or promote products derived from this software without specific
21 *    prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35/*
36 * if_ea.c - Ether3 device driver
37 */
38
39#include <sys/param.h>
40
41__RCSID("$NetBSD: if_ea.c,v 1.1 2001/03/24 00:14:53 bjh21 Exp $");
42
43#include <sys/device.h>
44#include <sys/socket.h>
45#include <sys/systm.h>
46
47#include <machine/bus.h>
48#include <machine/intr.h>
49
50#include <net/if.h>
51#include <net/if_ether.h>
52
53#include <arm26/podulebus/podulebus.h>
54#include <dev/podulebus/podules.h>
55
56#include <arm26/podulebus/if_eareg.h>
57#include <dev/ic/seeq8005var.h>
58
59/*
60 * per-line info and status
61 */
62
63struct ea_softc {
64	struct seeq8005_softc	sc_8005;
65	void	*sc_ih;
66	struct evcnt sc_intrcnt;
67};
68
69/*
70 * prototypes
71 */
72
73int eaprobe(struct device *, struct cfdata *, void *);
74void eaattach(struct device *, struct device *, void *);
75
76/* driver structure for autoconf */
77
78struct cfattach ea_ca = {
79	sizeof(struct ea_softc), eaprobe, eaattach
80};
81
82/*
83 * Probe routine.
84 */
85
86/*
87 * Probe for the ether3 podule.
88 */
89
90int
91eaprobe(struct device *parent, struct cfdata *cf, void *aux)
92{
93	struct podulebus_attach_args *pa = aux;
94
95	if ((matchpodule(pa, MANUFACTURER_ATOMWIDE,
96			 PODULE_ATOMWIDE_ETHER3, -1) == 0)
97	    && (matchpodule(pa, MANUFACTURER_ACORN,
98			    PODULE_ACORN_ETHER3XXX, -1) == 0)
99	    && (matchpodule(pa, MANUFACTURER_ANT, PODULE_ANT_ETHER3, -1) == 0))
100		return 0;
101
102	return 1;
103}
104
105
106/*
107 * Attach podule.
108 */
109
110void
111eaattach(struct device *parent, struct device *self, void *aux)
112{
113	struct ea_softc *sc = (void *)self;
114	struct podulebus_attach_args *pa = aux;
115	u_int8_t myaddr[ETHER_ADDR_LEN];
116	char *ptr;
117	int i;
118
119/*	dprintf(("Attaching %s...\n", sc->sc_dev.dv_xname));*/
120
121	/* Set the address of the controller for easy access */
122	podulebus_shift_tag(pa->pa_mod_t, EA_8005_SHIFT, &sc->sc_8005.sc_iot);
123	bus_space_map(sc->sc_8005.sc_iot, pa->pa_mod_base, /* XXX */ 0, 0,
124	    &sc->sc_8005.sc_ioh);
125
126	/* Get the Ethernet address from the device description string. */
127	if (pa->pa_descr == NULL) {
128		printf(": No description for Ethernet address\n");
129		return;
130	}
131	ptr = strchr(pa->pa_descr, '(');
132	if (ptr == NULL) {
133		printf(": Ethernet address not found in description\n");
134		return;
135	}
136	ptr++;
137	for (i = 0; i < ETHER_ADDR_LEN; i++) {
138		myaddr[i] = strtoul(ptr, &ptr, 16);
139		if (*ptr++ != (i == ETHER_ADDR_LEN - 1 ? ')' : ':')) {
140			printf(": Bad Ethernet address found in "
141			       "description\n");
142			return;
143		}
144	}
145
146	printf(":");
147	seeq8005_attach(&sc->sc_8005, myaddr);
148
149	/* Claim a podule interrupt */
150
151	evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL,
152	    self->dv_xname, "intr");
153	sc->sc_ih = podulebus_irq_establish(pa->pa_ih, IPL_NET, seeq8005intr,
154	    sc, &sc->sc_intrcnt);
155}
156
157/* End of if_ea.c */
158