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if_sm_pxaip.c revision 1.1 
      1 /*	$NetBSD: if_sm_pxaip.c,v 1.1 2005/06/06 20:24:11 pooka 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. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *        This product includes software developed by The NetBSD
     17  *        Foundation, Inc. and its contributors.
     18  * 4. The name of the company nor the name of the author may be used to
     19  *    endorse or promote products derived from this software without specific
     20  *    prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
     23  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     24  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     25  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     28  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  */
     34 
     35 #include <sys/cdefs.h>
     36 __KERNEL_RCSID(0, "$NetBSD: if_sm_pxaip.c,v 1.1 2005/06/06 20:24:11 pooka Exp $");
     37 
     38 #include <sys/param.h>
     39 #include <sys/systm.h>
     40 #include <sys/device.h>
     41 
     42 #include <net/if.h>
     43 #include <net/if_ether.h>
     44 #include <net/if_media.h>
     45 
     46 #include <machine/intr.h>
     47 #include <machine/bus.h>
     48 
     49 #include <dev/mii/mii.h>
     50 #include <dev/mii/miivar.h>
     51 
     52 #include <dev/ic/smc91cxxreg.h>
     53 #include <dev/ic/smc91cxxvar.h>
     54 
     55 #include <arch/arm/xscale/pxa2x0var.h>
     56 #include <arch/arm/xscale/pxa2x0_gpio.h>
     57 
     58 #include <arch/evbarm/viper/viper_reg.h>
     59 
     60 static int	sm_pxaip_match(struct device *, struct cfdata *, void *);
     61 static void	sm_pxaip_attach(struct device *, struct device *, void *);
     62 
     63 struct sm_pxaip_softc {
     64 	struct smc91cxx_softc sc_sm;
     65 	void *ih;
     66 };
     67 
     68 CFATTACH_DECL(sm_pxaip, sizeof(struct sm_pxaip_softc), sm_pxaip_match,
     69     sm_pxaip_attach, NULL, NULL);
     70 
     71 static int
     72 sm_pxaip_match(struct device *parent, struct cfdata *match, void *aux)
     73 {
     74 	struct pxaip_attach_args *paa = aux;
     75 
     76 	if (paa->pxa_addr == VIPER_SMSC_PBASE)
     77 		return 1;
     78 	return 0;
     79 }
     80 
     81 static void
     82 sm_pxaip_attach(struct device *parent, struct device *self, void *aux)
     83 {
     84 	struct sm_pxaip_softc *pxasc = (struct sm_pxaip_softc *)self;
     85 	struct smc91cxx_softc *sc = &pxasc->sc_sm;
     86 	struct pxaip_attach_args *paa = aux;
     87 	bus_space_tag_t bst = &pxa2x0_bs_tag;
     88 	bus_space_handle_t bsh;
     89 
     90 	/* map i/o space */
     91 	if (bus_space_map(bst, paa->pxa_addr, SMC_IOSIZE, 0, &bsh) != 0) {
     92 		aprint_error(": sm_pxaip_attach: can't map i/o space");
     93 		return;
     94 	}
     95 
     96 	/* register the interrupt handler */
     97 	pxasc->ih = pxa2x0_gpio_intr_establish(paa->pxa_intr, IST_EDGE_RISING,
     98 	    IPL_NET, smc91cxx_intr, sc);
     99 	if (pxasc->ih == NULL) {
    100 		aprint_error(": couldn't establish interrupt\n");
    101 		bus_space_unmap(bst, bsh, SMC_IOSIZE);
    102 		return;
    103 	}
    104 
    105 	printf("\n");
    106 
    107 	/* fill in master sc */
    108 	sc->sc_bst = bst;
    109 	sc->sc_bsh = bsh;
    110 
    111 	sc->sc_flags = SMC_FLAGS_ENABLED;
    112 	smc91cxx_attach(sc, NULL);
    113 }
    114