1 /* $NetBSD: sm_ifpga.c,v 1.2 2013/02/23 08:23:03 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 1.2 2013/02/23 08:23:03 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
52 static int sm_ifpga_match(device_t, cfdata_t, void *);
53 static void sm_ifpga_attach(device_t, device_t, void *);
54
55 struct sm_ifpga_softc {
56 struct smc91cxx_softc sc_sm;
57 void *ih;
58 };
59
60 CFATTACH_DECL_NEW(sm_ifpga, sizeof(struct sm_ifpga_softc), sm_ifpga_match,
61 sm_ifpga_attach, NULL, NULL);
62
63 static int
sm_ifpga_match(device_t parent,cfdata_t match,void * aux)64 sm_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
73 static void
sm_ifpga_attach(device_t parent,device_t self,void * aux)74 sm_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 aprint_normal("\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