1 /*        $NetBSD: if_sm_mainbus.c,v 1.4 2012/10/27 17:17:51 chs Exp $          */
2 
3 /*-
4  * Copyright (C) 2009 NONAKA Kimihiro <nonaka@netbsd.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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #include <sys/cdefs.h>
29 __KERNEL_RCSID(0, "$NetBSD: if_sm_mainbus.c,v 1.4 2012/10/27 17:17:51 chs Exp $");
30 
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/device.h>
34 #include <sys/bus.h>
35 
36 #include <net/if.h>
37 #include <net/if_ether.h>
38 #include <net/if_media.h>
39 
40 #include <machine/autoconf.h>
41 #include <machine/intr.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 <evbsh3/ap_ms104_sh4/ap_ms104_sh4reg.h>
50 #include <evbsh3/ap_ms104_sh4/ap_ms104_sh4var.h>
51 
52 static int          sm_mainbus_match(device_t, cfdata_t, void *);
53 static void         sm_mainbus_attach(device_t, device_t, void *);
54 
55 struct sm_mainbus_softc {
56           struct smc91cxx_softc sc_sm;
57 
58           void *sc_ih;
59 };
60 
61 CFATTACH_DECL_NEW(sm_mainbus, sizeof(struct sm_mainbus_softc),
62     sm_mainbus_match, sm_mainbus_attach, NULL, NULL);
63 
64 static int
sm_mainbus_match(device_t parent,cfdata_t cf,void * aux)65 sm_mainbus_match(device_t parent, cfdata_t cf, void *aux)
66 {
67           struct mainbus_attach_args *maa = (struct mainbus_attach_args *)aux;
68 
69           if (strcmp(maa->ma_name, "sm") != 0)
70                     return 0;
71           return 1;
72 }
73 
74 static void
sm_mainbus_attach(device_t parent,device_t self,void * aux)75 sm_mainbus_attach(device_t parent, device_t self, void *aux)
76 {
77           struct sm_mainbus_softc *smsc = device_private(self);
78           struct smc91cxx_softc *sc = &smsc->sc_sm;
79           bus_space_tag_t bst = &ap_ms104_sh4_bus_io;
80           bus_space_handle_t bsh;
81 
82           aprint_naive("\n");
83           aprint_normal("\n");
84 
85           /* map i/o space */
86           if (bus_space_map(bst, 0x08000000, SMC_IOSIZE, 0, &bsh) != 0) {
87                     aprint_error_dev(self, "can't map i/o space");
88                     return;
89           }
90 
91           /* register the interrupt handler */
92           smsc->sc_ih = extintr_establish(EXTINTR_INTR_SMC91C111, IST_LEVEL,
93               IPL_NET, smc91cxx_intr, sc);
94           if (smsc->sc_ih == NULL) {
95                     aprint_error_dev(self, "couldn't establish interrupt\n");
96                     bus_space_unmap(bst, bsh, SMC_IOSIZE);
97                     return;
98           }
99 
100           /* fill in master sc */
101           sc->sc_dev = self;
102           sc->sc_bst = bst;
103           sc->sc_bsh = bsh;
104 
105           sc->sc_flags = SMC_FLAGS_ENABLED;
106           smc91cxx_attach(sc, NULL);
107 }
108