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ipaq_saip.c revision 1.9 
      1 /*	$NetBSD: ipaq_saip.c,v 1.9 2002/07/20 01:36:56 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 <arm/sa11x0/sa11x0_var.h>
     38 #include <arm/sa11x0/sa11x0_reg.h>
     39 #include <arm/sa11x0/sa11x0_dmacreg.h>
     40 #include <arm/sa11x0/sa11x0_ppcreg.h>
     41 #include <arm/sa11x0/sa11x0_gpioreg.h>
     42 #include <arm/sa11x0/sa11x0_sspreg.h>
     43 
     44 #include <hpcarm/dev/ipaq_saipvar.h>
     45 #include <hpcarm/dev/ipaq_gpioreg.h>
     46 
     47 /* prototypes */
     48 static int	ipaq_match(struct device *, struct cfdata *, void *);
     49 static void	ipaq_attach(struct device *, struct device *, void *);
     50 static int 	ipaq_search(struct device *, struct cfdata *, void *);
     51 static int	ipaq_print(void *, const char *);
     52 
     53 /* attach structures */
     54 struct cfattach ipaqbus_ca = {
     55 	sizeof(struct ipaq_softc), ipaq_match, ipaq_attach
     56 };
     57 
     58 static int
     59 ipaq_print(aux, name)
     60 	void *aux;
     61 	const char *name;
     62 {
     63         return (UNCONF);
     64 }
     65 
     66 int
     67 ipaq_match(parent, match, aux)
     68 	struct device *parent;
     69 	struct cfdata *match;
     70 	void *aux;
     71 {
     72 	return (1);
     73 }
     74 
     75 void
     76 ipaq_attach(parent, self, aux)
     77 	struct device *parent;
     78 	struct device *self;
     79 	void *aux;
     80 {
     81 	struct ipaq_softc *sc = (struct ipaq_softc*)self;
     82 	struct sa11x0_softc *psc = (struct sa11x0_softc *)parent;
     83 
     84 	printf("\n");
     85 
     86 	sc->sc_iot = psc->sc_iot;
     87 	sc->sc_ioh = psc->sc_ioh;
     88 	sc->sc_gpioh = psc->sc_gpioh;
     89 
     90 	/* Map the Extended GPIO registers */
     91 	if (bus_space_map(sc->sc_iot, SAEGPIO_BASE, 1, 0, &sc->sc_egpioh))
     92 		panic("%s: unable to map Extended GPIO registers\n",
     93 			self->dv_xname);
     94 
     95 	sc->ipaq_egpio = EGPIO_INIT;
     96         bus_space_write_2(sc->sc_iot, sc->sc_egpioh, 0, sc->ipaq_egpio);
     97 
     98 	/* Map the SSP registers */
     99 	if (bus_space_map(sc->sc_iot, SASSP_BASE, SASSP_NPORTS, 0, &sc->sc_ssph))
    100 		panic("%s: unable to map SSP registers\n",
    101 			self->dv_xname);
    102 
    103 	sc->sc_ppch = psc->sc_ppch;
    104 	sc->sc_dmach = psc->sc_dmach;
    105 
    106 	/*
    107 	 *  Attach each devices
    108 	 */
    109 	config_search(ipaq_search, self, NULL);
    110 }
    111 
    112 int
    113 ipaq_search(parent, cf, aux)
    114 	struct device *parent;
    115 	struct cfdata *cf;
    116 	void *aux;
    117 {
    118 	if ((*cf->cf_attach->ca_match)(parent, cf, NULL) > 0)
    119 		config_attach(parent, cf, NULL, ipaq_print);
    120 
    121         return 0;
    122 }
    123