1/*	$NetBSD: if_sm_emifs.c,v 1.3 2007/10/17 19:54:13 garbled Exp $	*/
2
3/*
4 * OSK5912 SMC91Cxx wrapper, based on sys/arch/evbarm/viper/if_sm_pxaip.c
5 *
6 * Copyright (c) 2005 Antti Kantee.  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. The name of the company nor the name of the author may be used to
17 *    endorse or promote products derived from this software without specific
18 *    prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
21 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
26 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#include <sys/cdefs.h>
34__KERNEL_RCSID(0, "$NetBSD: if_sm_emifs.c,v 1.3 2007/10/17 19:54:13 garbled Exp $");
35
36#include <sys/param.h>
37#include <sys/systm.h>
38#include <sys/device.h>
39
40#include <net/if.h>
41#include <net/if_ether.h>
42#include <net/if_media.h>
43
44#include <machine/intr.h>
45#include <sys/bus.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 <arch/arm/omap/omap_emifs.h>
54#include <arch/arm/omap/omap_gpio.h>
55
56static int	sm_emifs_match(struct device *, struct cfdata *, void *);
57static void	sm_emifs_attach(struct device *, struct device *, void *);
58
59struct sm_emifs_softc {
60	struct smc91cxx_softc sc_sm;
61	void *ih;
62};
63
64CFATTACH_DECL(sm_emifs, sizeof(struct sm_emifs_softc), sm_emifs_match,
65    sm_emifs_attach, NULL, NULL);
66
67static int
68sm_emifs_match(struct device *parent, struct cfdata *match, void *aux)
69{
70	struct emifs_attach_args *emifs = aux;
71
72	if (emifs->emifs_addr == -1)
73		panic("sm must have addr specified in config.");
74
75	/* Trust the config file. */
76	return (1);
77}
78
79static void
80sm_emifs_attach(struct device *parent, struct device *self, void *aux)
81{
82	struct sm_emifs_softc *emifssc = (struct sm_emifs_softc *)self;
83	struct smc91cxx_softc *sc = &emifssc->sc_sm;
84	struct emifs_attach_args *emifs = aux;
85	bus_space_tag_t bst;
86	bus_space_handle_t bsh;
87
88	bst = emifs->emifs_iot;
89
90	/* map i/o space */
91	if (bus_space_map(bst, emifs->emifs_addr, SMC_IOSIZE, 0, &bsh) != 0) {
92		aprint_error(": sm_emifs_attach: can't map i/o space");
93		return;
94	}
95
96	aprint_normal("\n");
97
98	/* fill in master sc */
99	sc->sc_bst = bst;
100	sc->sc_bsh = bsh;
101
102	/* register the interrupt handler */
103	emifssc->ih =
104	    omap_gpio_intr_establish(emifs->emifs_intr, IST_EDGE_RISING,
105				     IPL_NET, sc->sc_dev.dv_xname,
106				     smc91cxx_intr, sc);
107
108	if (emifssc->ih == NULL) {
109		aprint_error(": couldn't establish interrupt\n");
110		bus_space_unmap(bst, bsh, SMC_IOSIZE);
111		return;
112	}
113
114	/* Perform generic attach. */
115	sc->sc_flags |= SMC_FLAGS_ENABLED;
116	smc91cxx_attach(sc, NULL);
117}
118
119