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bonito_mainbus.c revision 1.2 
      1 /*	$NetBSD: bonito_mainbus.c,v 1.2 2002/05/16 01:01:30 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 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 #include "opt_algor_p6032.h"
     40 
     41 #include <sys/param.h>
     42 #include <sys/systm.h>
     43 #include <sys/conf.h>
     44 #include <sys/reboot.h>
     45 #include <sys/device.h>
     46 
     47 #include <machine/bus.h>
     48 #include <machine/autoconf.h>
     49 
     50 #include <mips/bonito/bonitoreg.h>
     51 
     52 #ifdef ALGOR_P6032
     53 #include <algor/algor/algor_p6032var.h>
     54 #endif
     55 
     56 struct bonito_softc {
     57 	struct device sc_dev;
     58 	struct bonito_config *sc_bonito;
     59 };
     60 
     61 int	bonito_mainbus_match(struct device *, struct cfdata *, void *);
     62 void	bonito_mainbus_attach(struct device *, struct device *, void *);
     63 
     64 struct cfattach bonito_mainbus_ca = {
     65 	sizeof(struct bonito_softc), bonito_mainbus_match,
     66 	    bonito_mainbus_attach,
     67 };
     68 extern struct cfdriver bonito_cd;
     69 
     70 int	bonito_mainbus_print(void *, const char *);
     71 
     72 int
     73 bonito_mainbus_match(struct device *parent, struct cfdata *cf, void *aux)
     74 {
     75 	struct mainbus_attach_args *ma = aux;
     76 
     77 	if (strcmp(ma->ma_name, bonito_cd.cd_name) == 0)
     78 		return (1);
     79 
     80 	return (0);
     81 }
     82 
     83 void
     84 bonito_mainbus_attach(struct device *parent, struct device *self, void *aux)
     85 {
     86 	struct bonito_softc *sc = (void *) self;
     87 	struct pcibus_attach_args pba;
     88 	struct bonito_config *bc;
     89 	pcireg_t rev;
     90 
     91 	/*
     92 	 * There is only one PCI controller on an Algorithmics board.
     93 	 */
     94 #if defined(ALGOR_P6032)
     95 	bc = &p6032_configuration.ac_bonito;
     96 #endif
     97 	sc->sc_bonito = bc;
     98 
     99 	rev = PCI_REVISION(REGVAL(BONITO_PCICLASS));
    100 
    101 	printf(": BONITO Memory and PCI controller, %s rev. %d.%d\n",
    102 	    BONITO_REV_FPGA(rev) ? "FPGA" : "ASIC",
    103 	    BONITO_REV_MAJOR(rev), BONITO_REV_MINOR(rev));
    104 
    105 	pba.pba_busname = "pci";
    106 	pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED;
    107 	pba.pba_bus = 0;
    108 	pba.pba_bridgetag = NULL;
    109 
    110 #if defined(ALGOR_P6032)
    111 	    {
    112 		struct p6032_config *acp = &p6032_configuration;
    113 
    114 		pba.pba_iot = &acp->ac_iot;
    115 		pba.pba_memt = &acp->ac_memt;
    116 		pba.pba_dmat = &acp->ac_pci_dmat;
    117 		pba.pba_pc = &acp->ac_pc;
    118 	    }
    119 #endif /* ALGOR_P6032 */
    120 
    121 	(void) config_found(self, &pba, bonito_mainbus_print);
    122 }
    123 
    124 int
    125 bonito_mainbus_print(void *aux, const char *pnp)
    126 {
    127 	struct pcibus_attach_args *pba = aux;
    128 
    129 	/* only PCIs can attach to BONITOs; easy. */
    130 	if (pnp)
    131 		printf("%s at %s", pba->pba_busname, pnp);
    132 	printf(" bus %d", pba->pba_bus);
    133 
    134 	return (UNCONF);
    135 }
    136