sm_ifpga.c revision 1.1 
1/*	$NetBSD: sm_ifpga.c,v 1.1 2013/02/19 10:57:10 skrll Exp $	*/
2
3/*-
4 * Copyright (c) 2013 Sergio Lopez <slp@sinrega.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__KERNEL_RCSID(0, "$NetBSD: sm_ifpga.c,v 1.1 2013/02/19 10:57:10 skrll Exp $");
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/device.h>
35
36#include <net/if.h>
37#include <net/if_ether.h>
38#include <net/if_media.h>
39
40#include <machine/intr.h>
41#include <sys/bus.h>
42
43#include <dev/mii/mii.h>
44#include <dev/mii/miivar.h>
45
46#include <dev/ic/smc91cxxreg.h>
47#include <dev/ic/smc91cxxvar.h>
48
49#include <evbarm/ifpga/ifpgareg.h>
50#include <evbarm/ifpga/ifpgavar.h>
51
52static int	sm_ifpga_match(device_t, cfdata_t, void *);
53static void	sm_ifpga_attach(device_t, device_t, void *);
54
55struct sm_ifpga_softc {
56	struct smc91cxx_softc sc_sm;
57	void *ih;
58};
59
60CFATTACH_DECL_NEW(sm_ifpga, sizeof(struct sm_ifpga_softc), sm_ifpga_match,
61    sm_ifpga_attach, NULL, NULL);
62
63static int
64sm_ifpga_match(device_t parent, cfdata_t match, void *aux)
65{
66	struct ifpga_attach_args *ifa = aux;
67
68	if (ifa->ifa_addr == IFPGA_SMC911_BASE)
69		return 1;
70	return 0;
71}
72
73static void
74sm_ifpga_attach(device_t parent, device_t self, void *aux)
75{
76	struct sm_ifpga_softc *isc = device_private(self);
77	struct smc91cxx_softc *sc = &isc->sc_sm;
78	struct ifpga_attach_args *ifa = aux;
79	bus_space_tag_t bst = ifa->ifa_iot;
80	bus_space_handle_t bsh;
81
82	/* map i/o space */
83	if (bus_space_map(bst, ifa->ifa_addr, SMC_IOSIZE, 0, &bsh) != 0) {
84		aprint_error(": sm_ifpga_attach: can't map i/o space");
85		return;
86	}
87
88 	isc->ih = ifpga_intr_establish(ifa->ifa_irq, IPL_NET, smc91cxx_intr, sc);
89	if (isc->ih == NULL) {
90		aprint_error(": couldn't establish interrupt\n");
91		bus_space_unmap(bst, bsh, SMC_IOSIZE);
92		return;
93	}
94
95	printf("\n");
96
97	/* fill in master sc */
98	sc->sc_dev = self;
99	sc->sc_bst = bst;
100	sc->sc_bsh = bsh;
101
102	sc->sc_flags = SMC_FLAGS_ENABLED;
103	smc91cxx_attach(sc, NULL);
104}
105
106