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ipaq_saip.c revision 1.5 
      1 /*	$NetBSD: ipaq_saip.c,v 1.5 2001/07/15 00:30:17 ichiro 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 #include <sys/param.h>
     26 #include <sys/systm.h>
     27 #include <sys/types.h>
     28 #include <sys/conf.h>
     29 #include <sys/device.h>
     30 #include <sys/kernel.h>
     31 #include <sys/malloc.h>
     32 #include <sys/uio.h>
     33 
     34 #include <machine/cpu.h>
     35 #include <machine/bus.h>
     36 
     37 #include <hpcarm/sa11x0/sa11x0_var.h>
     38 #include <hpcarm/sa11x0/sa11x0_dmacreg.h>
     39 #include <hpcarm/sa11x0/sa11x0_ppcreg.h>
     40 #include <hpcarm/sa11x0/sa11x0_gpioreg.h>
     41 #include <hpcarm/dev/ipaq_saipvar.h>
     42 #include <hpcarm/dev/ipaq_gpioreg.h>
     43 
     44 /* prototypes */
     45 static int	ipaq_match(struct device *, struct cfdata *, void *);
     46 static void	ipaq_attach(struct device *, struct device *, void *);
     47 static int 	ipaq_search(struct device *, struct cfdata *, void *);
     48 static int	ipaq_print(void *, const char *);
     49 
     50 /* attach structures */
     51 struct cfattach ipaqbus_ca = {
     52 	sizeof(struct ipaq_softc), ipaq_match, ipaq_attach
     53 };
     54 
     55 static int
     56 ipaq_print(aux, name)
     57 	void *aux;
     58 	const char *name;
     59 {
     60         return (UNCONF);
     61 }
     62 
     63 int
     64 ipaq_match(parent, match, aux)
     65 	struct device *parent;
     66 	struct cfdata *match;
     67 	void *aux;
     68 {
     69 	return (1);
     70 }
     71 
     72 void
     73 ipaq_attach(parent, self, aux)
     74 	struct device *parent;
     75 	struct device *self;
     76 	void *aux;
     77 {
     78 	struct ipaq_softc *sc = (struct ipaq_softc*)self;
     79 	struct sa11x0_softc *psc = (struct sa11x0_softc *)parent;
     80 
     81 	printf("\n");
     82 
     83 	sc->sc_iot = psc->sc_iot;
     84 	sc->sc_ioh = psc->sc_ioh;
     85 	sc->sc_gpioh = psc->sc_gpioh;
     86 
     87 	/* Map the Extended GPIO registers */
     88 	if (bus_space_map(sc->sc_iot, SAEGPIO_BASE, 1, 0, &sc->sc_egpioh))
     89 		panic("%s: unable to map Extended GPIO registers\n",
     90 			self->dv_xname);
     91 
     92 	sc->ipaq_egpio = EGPIO_INIT;
     93         bus_space_write_2(sc->sc_iot, sc->sc_egpioh, 0, sc->ipaq_egpio);
     94 
     95 	sc->sc_ppch = psc->sc_ppch;
     96 	sc->sc_dmach = psc->sc_dmach;
     97 
     98 	/*
     99 	 *  Attach each devices
    100 	 */
    101 	config_search(ipaq_search, self, NULL);
    102 }
    103 
    104 int
    105 ipaq_search(parent, cf, aux)
    106 	struct device *parent;
    107 	struct cfdata *cf;
    108 	void *aux;
    109 {
    110 	if ((*cf->cf_attach->ca_match)(parent, cf, NULL) > 0)
    111 		config_attach(parent, cf, NULL, ipaq_print);
    112 
    113         return 0;
    114 }
    115