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intio.c revision 1.11
      1 /*	$NetBSD: intio.c,v 1.11 2002/05/05 22:55:49 gmcgarry Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1996, 1998, 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * Autoconfiguration support for hp300 internal i/o space.
     41  */
     42 
     43 #include <sys/cdefs.h>
     44 __KERNEL_RCSID(0, "$NetBSD: intio.c,v 1.11 2002/05/05 22:55:49 gmcgarry Exp $");
     45 
     46 #include <sys/param.h>
     47 #include <sys/systm.h>
     48 #include <sys/device.h>
     49 
     50 #include <machine/hp300spu.h>
     51 
     52 #include <hp300/dev/intioreg.h>
     53 #include <hp300/dev/intiovar.h>
     54 
     55 int	intiomatch(struct device *, struct cfdata *, void *);
     56 void	intioattach(struct device *, struct device *, void *);
     57 int	intioprint(void *, const char *);
     58 
     59 const struct cfattach intio_ca = {
     60 	sizeof(struct device), intiomatch, intioattach
     61 };
     62 
     63 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \
     64     defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \
     65     defined(HP380) || defined(HP385)
     66 const struct intio_builtins intio_3xx_builtins[] = {
     67 	{ "rtc",	0x020000,	-1},
     68 	{ "hil",	0x028000,	1},
     69 	{ "fb",		0x160000,	-1},
     70 };
     71 #define nintio_3xx_builtins \
     72 	(sizeof(intio_3xx_builtins) / sizeof(intio_3xx_builtins[0]))
     73 #endif
     74 
     75 #if defined(HP400) || defined(HP425) || defined(HP433)
     76 const struct intio_builtins intio_4xx_builtins[] = {
     77 	{ "rtc",	0x020000,	-1},
     78 	{ "frodo",	0x01c000,	5},
     79 	{ "hil",	0x028000,	1},
     80 };
     81 #define nintio_4xx_builtins \
     82 	(sizeof(intio_4xx_builtins) / sizeof(intio_4xx_builtins[0]))
     83 #endif
     84 
     85 static int intio_matched = 0;
     86 
     87 int
     88 intiomatch(parent, match, aux)
     89 	struct device *parent;
     90 	struct cfdata *match;
     91 	void *aux;
     92 {
     93 	/* Allow only one instance. */
     94 	if (intio_matched)
     95 		return (0);
     96 
     97 	intio_matched = 1;
     98 	return (1);
     99 }
    100 
    101 void
    102 intioattach(parent, self, aux)
    103 	struct device *parent, *self;
    104 	void *aux;
    105 {
    106 	struct intio_attach_args ia;
    107 	const struct intio_builtins *ib;
    108 	int ndevs;
    109 	int i;
    110 
    111 	printf("\n");
    112 
    113 	switch (machineid) {
    114 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \
    115     defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \
    116     defined(HP380) || defined(HP385)
    117 	case HP_320:
    118 	case HP_330:
    119 	case HP_340:
    120 	case HP_345:
    121 	case HP_350:
    122 	case HP_360:
    123 	case HP_370:
    124 	case HP_375:
    125 	case HP_380:
    126 	case HP_385:
    127 		ib = intio_3xx_builtins;
    128 		ndevs = nintio_3xx_builtins;
    129 		break;
    130 #endif
    131 #if defined(HP400) || defined(HP425) || defined(HP433)
    132 	case HP_400:
    133 	case HP_425:
    134 	case HP_433:
    135 		ib = intio_4xx_builtins;
    136 		ndevs = nintio_4xx_builtins;
    137 		break;
    138 #endif
    139 	default:
    140 		return;
    141 	}
    142 
    143 	memset(&ia, 0, sizeof(ia));
    144 
    145 	for (i=0; i<ndevs; i++) {
    146 		strncpy(ia.ia_modname, ib[i].ib_modname, INTIO_MOD_LEN);
    147 		ia.ia_modname[INTIO_MOD_LEN] = '\0';
    148 		ia.ia_bst = HP300_BUS_SPACE_INTIO;
    149 		ia.ia_iobase = ib[i].ib_offset;
    150 		ia.ia_addr = (bus_addr_t)(intiobase + ib[i].ib_offset);
    151 		ia.ia_ipl = ib[i].ib_ipl;
    152 		config_found(self, &ia, intioprint);
    153 	}
    154 }
    155 
    156 int
    157 intioprint(aux, pnp)
    158 	void *aux;
    159 	const char *pnp;
    160 {
    161 	struct intio_attach_args *ia = aux;
    162 
    163 	if (pnp != NULL)
    164 		printf("%s at %s", ia->ia_modname, pnp);
    165 	if (ia->ia_iobase != 0) {
    166                 printf(" addr 0x%lx", INTIOBASE + ia->ia_iobase);
    167 		if (ia->ia_ipl != -1 && pnp != NULL)
    168 			printf(" ipl %d", ia->ia_ipl);
    169 	}
    170 	return (UNCONF);
    171 }
    172