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ipaq_saip.c revision 1.18 
      1 /*	$NetBSD: ipaq_saip.c,v 1.18 2006/04/11 15:21:26 peter Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001, The NetBSD Foundation, Inc.  All rights reserved.
      5  *
      6  * This code is derived from software contributed to The NetBSD Foundation
      7  * by Ichiro FUKUHARA (ichiro (at) ichiro.org).
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *      This product includes software developed by the NetBSD
     20  *      Foundation, Inc. and its contributors.
     21  * 4. Neither the name of The NetBSD Foundation nor the names of its
     22  *    contributors may be used to endorse or promote products derived
     23  *    from this software without specific prior written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     26  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  * POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 
     38 #include <sys/cdefs.h>
     39 __KERNEL_RCSID(0, "$NetBSD: ipaq_saip.c,v 1.18 2006/04/11 15:21:26 peter Exp $");
     40 
     41 #include <sys/param.h>
     42 #include <sys/systm.h>
     43 #include <sys/types.h>
     44 #include <sys/conf.h>
     45 #include <sys/device.h>
     46 #include <sys/kernel.h>
     47 #include <sys/malloc.h>
     48 #include <sys/uio.h>
     49 
     50 #include <machine/cpu.h>
     51 #include <machine/bus.h>
     52 
     53 #include <arm/sa11x0/sa11x0_var.h>
     54 #include <arm/sa11x0/sa11x0_reg.h>
     55 #include <arm/sa11x0/sa11x0_dmacreg.h>
     56 #include <arm/sa11x0/sa11x0_ppcreg.h>
     57 #include <arm/sa11x0/sa11x0_gpioreg.h>
     58 #include <arm/sa11x0/sa11x0_sspreg.h>
     59 
     60 #include <hpcarm/dev/ipaq_saipvar.h>
     61 #include <hpcarm/dev/ipaq_gpioreg.h>
     62 
     63 /* prototypes */
     64 static int	ipaq_match(struct device *, struct cfdata *, void *);
     65 static void	ipaq_attach(struct device *, struct device *, void *);
     66 static int 	ipaq_search(struct device *, struct cfdata *,
     67 				const int *, void *);
     68 static int	ipaq_print(void *, const char *);
     69 
     70 /* attach structures */
     71 CFATTACH_DECL(ipaqbus, sizeof(struct ipaq_softc),
     72     ipaq_match, ipaq_attach, NULL, NULL);
     73 
     74 static int
     75 ipaq_print(aux, name)
     76 	void *aux;
     77 	const char *name;
     78 {
     79         return (UNCONF);
     80 }
     81 
     82 int
     83 ipaq_match(parent, match, aux)
     84 	struct device *parent;
     85 	struct cfdata *match;
     86 	void *aux;
     87 {
     88 	return (1);
     89 }
     90 
     91 void
     92 ipaq_attach(parent, self, aux)
     93 	struct device *parent;
     94 	struct device *self;
     95 	void *aux;
     96 {
     97 	struct ipaq_softc *sc = (struct ipaq_softc*)self;
     98 	struct sa11x0_softc *psc = (struct sa11x0_softc *)parent;
     99 
    100 	printf("\n");
    101 
    102 	sc->sc_iot = psc->sc_iot;
    103 	sc->sc_ioh = psc->sc_ioh;
    104 	sc->sc_gpioh = psc->sc_gpioh;
    105 
    106 	/* Map the Extended GPIO registers */
    107 	if (bus_space_map(sc->sc_iot, SAEGPIO_BASE, 1, 0, &sc->sc_egpioh))
    108 		panic("%s: unable to map Extended GPIO registers",
    109 			self->dv_xname);
    110 
    111 	sc->ipaq_egpio = EGPIO_INIT;
    112         bus_space_write_2(sc->sc_iot, sc->sc_egpioh, 0, sc->ipaq_egpio);
    113 
    114 	/* Map the SSP registers */
    115 	if (bus_space_map(sc->sc_iot, SASSP_BASE, SASSP_NPORTS, 0, &sc->sc_ssph))
    116 		panic("%s: unable to map SSP registers",
    117 			self->dv_xname);
    118 
    119 	sc->sc_ppch = psc->sc_ppch;
    120 	sc->sc_dmach = psc->sc_dmach;
    121 
    122 	/*
    123 	 *  Attach each devices
    124 	 */
    125 	config_search_ia(ipaq_search, self, "ipaqbus", NULL);
    126 }
    127 
    128 int
    129 ipaq_search(parent, cf, ldesc, aux)
    130 	struct device *parent;
    131 	struct cfdata *cf;
    132 	const int *ldesc;
    133 	void *aux;
    134 {
    135 	if (config_match(parent, cf, NULL) > 0)
    136 		config_attach(parent, cf, NULL, ipaq_print);
    137 
    138         return 0;
    139 }
    140