1 /* $NetBSD: if_sm_pxaip.c,v 1.6 2012/10/27 17:17:50 chs Exp $ */
2
3 /*
4 * Copyright (c) 2005 Antti Kantee. All Rights Reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the company nor the name of the author may be used to
15 * endorse or promote products derived from this software without specific
16 * prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
19 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
32 __KERNEL_RCSID(0, "$NetBSD: if_sm_pxaip.c,v 1.6 2012/10/27 17:17:50 chs Exp $");
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/device.h>
37
38 #include <net/if.h>
39 #include <net/if_ether.h>
40 #include <net/if_media.h>
41
42 #include <machine/intr.h>
43 #include <sys/bus.h>
44
45 #include <dev/mii/mii.h>
46 #include <dev/mii/miivar.h>
47
48 #include <dev/ic/smc91cxxreg.h>
49 #include <dev/ic/smc91cxxvar.h>
50
51 #include <arch/arm/xscale/pxa2x0var.h>
52 #include <arch/arm/xscale/pxa2x0_gpio.h>
53
54 #include <arch/evbarm/viper/viper_reg.h>
55
56 static int sm_pxaip_match(device_t, cfdata_t, void *);
57 static void sm_pxaip_attach(device_t, device_t, void *);
58
59 struct sm_pxaip_softc {
60 struct smc91cxx_softc sc_sm;
61 void *ih;
62 };
63
64 CFATTACH_DECL_NEW(sm_pxaip, sizeof(struct sm_pxaip_softc), sm_pxaip_match,
65 sm_pxaip_attach, NULL, NULL);
66
67 static int
sm_pxaip_match(device_t parent,cfdata_t match,void * aux)68 sm_pxaip_match(device_t parent, cfdata_t match, void *aux)
69 {
70 struct pxaip_attach_args *paa = aux;
71
72 if (paa->pxa_addr == VIPER_SMSC_PBASE)
73 return 1;
74 return 0;
75 }
76
77 static void
sm_pxaip_attach(device_t parent,device_t self,void * aux)78 sm_pxaip_attach(device_t parent, device_t self, void *aux)
79 {
80 struct sm_pxaip_softc *pxasc = device_private(self);
81 struct smc91cxx_softc *sc = &pxasc->sc_sm;
82 struct pxaip_attach_args *paa = aux;
83 bus_space_tag_t bst = &pxa2x0_bs_tag;
84 bus_space_handle_t bsh;
85
86 /* map i/o space */
87 if (bus_space_map(bst, paa->pxa_addr, SMC_IOSIZE, 0, &bsh) != 0) {
88 aprint_error(": sm_pxaip_attach: can't map i/o space");
89 return;
90 }
91
92 /* register the interrupt handler */
93 pxasc->ih = pxa2x0_gpio_intr_establish(paa->pxa_intr, IST_EDGE_RISING,
94 IPL_NET, smc91cxx_intr, sc);
95 if (pxasc->ih == NULL) {
96 aprint_error(": couldn't establish interrupt\n");
97 bus_space_unmap(bst, bsh, SMC_IOSIZE);
98 return;
99 }
100
101 printf("\n");
102
103 /* fill in master sc */
104 sc->sc_dev = self;
105 sc->sc_bst = bst;
106 sc->sc_bsh = bsh;
107
108 sc->sc_flags = SMC_FLAGS_ENABLED;
109 smc91cxx_attach(sc, NULL);
110 }
111