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      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 (at) 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
     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
     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