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ipaq_saip.c revision 1.2 
      1 /*	$NetBSD: ipaq_saip.c,v 1.2 2001/07/10 17:24:35 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_reg.h>
     38 #include <hpcarm/sa11x0/sa11x0_var.h>
     39 #include <hpcarm/sa11x0/sa11x0_dmacreg.h>
     40 #include <hpcarm/sa11x0/sa11x0_ppcreg.h>
     41 #include <hpcarm/sa11x0/sa11x0_gpioreg.h>
     42 
     43 #include <hpcarm/dev/ipaq_gpioreg.h>
     44 
     45 /* ipaq softc */
     46 struct ipaq_softc {
     47 	struct device sc_dev;
     48 	bus_space_tag_t sc_iot;
     49 	bus_space_handle_t sc_ioh;
     50 	bus_space_handle_t sc_gpioh;
     51 	bus_space_handle_t sc_egpioh;
     52 	bus_space_handle_t sc_ppch;
     53 	bus_space_handle_t sc_dmach;
     54 	u_int32_t sc_intrmask;
     55 };
     56 
     57 /* prototypes */
     58 static int	ipaq_match(struct device *, struct cfdata *, void *);
     59 static void	ipaq_attach(struct device *, struct device *, void *);
     60 static int 	ipaq_search(struct device *, struct cfdata *, void *);
     61 static int	ipaq_print(void *, const char *);
     62 
     63 /* attach structures */
     64 struct cfattach ipaqbus_ca = {
     65 	sizeof(struct ipaq_softc), ipaq_match, ipaq_attach
     66 };
     67 
     68 static int
     69 ipaq_print(aux, name)
     70 	void *aux;
     71 	const char *name;
     72 {
     73         return (UNCONF);
     74 }
     75 
     76 int
     77 ipaq_match(parent, match, aux)
     78 	struct device *parent;
     79 	struct cfdata *match;
     80 	void *aux;
     81 {
     82 	return 1;
     83 }
     84 
     85 void
     86 ipaq_attach(parent, self, aux)
     87 	struct device *parent;
     88 	struct device *self;
     89 	void *aux;
     90 {
     91 	struct ipaq_softc *sc = (struct ipaq_softc*)self;
     92 	struct sa11x0_softc *psc = (struct sa11x0_softc *)parent;
     93 
     94 	printf("\n");
     95 
     96 	sc->sc_iot = psc->sc_iot;
     97 	sc->sc_ioh = psc->sc_ioh;
     98 	sc->sc_gpioh = psc->sc_gpioh;
     99 
    100 	if (bus_space_map(sc->sc_iot, SAEGPIO_BASE, 1, 0, &sc->sc_egpioh))
    101 		panic("%s: unable to map Extended GPIO registers\n",
    102 			self->dv_xname);
    103 # if 0
    104         bus_space_write_2(sc->sc_iot, sc->sc_egpioh, 0, EGPIO_INIT);
    105 # endif
    106 
    107 	sc->sc_ppch = psc->sc_ppch;
    108 	sc->sc_dmach = psc->sc_dmach;
    109 
    110 	/*
    111 	 *  Attach each devices
    112 	 */
    113 	config_search(ipaq_search, self, NULL);
    114 }
    115 
    116 int
    117 ipaq_search(parent, cf, aux)
    118 	struct device *parent;
    119 	struct cfdata *cf;
    120 	void *aux;
    121 {
    122 	if ((*cf->cf_attach->ca_match)(parent, cf, NULL) > 0)
    123 		config_attach(parent, cf, NULL, ipaq_print);
    124 
    125         return 0;
    126 }
    127