sys/arch/algor/dev/bonito_mainbus.c

   1 /*      $NetBSD: bonito_mainbus.c,v 1.10 2005/12/11 12:16:08 christos 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  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: bonito_mainbus.c,v 1.10 2005/12/11 12:16:08 christos Exp $");
  34
  35 #include "opt_algor_p6032.h"
  36
  37 #include <sys/param.h>
  38 #include <sys/systm.h>
  39 #include <sys/conf.h>
  40 #include <sys/reboot.h>
  41 #include <sys/device.h>
  42
  43 #include <machine/bus.h>
  44 #include <machine/autoconf.h>
  45
  46 #include <mips/bonito/bonitoreg.h>
  47
  48 #ifdef ALGOR_P6032
  49 #include <algor/algor/algor_p6032var.h>
  50 #endif
  51
  52 struct bonito_softc {
  53         struct device sc_dev;
  54         struct bonito_config *sc_bonito;
  55 };
  56
  57 int     bonito_mainbus_match(struct device *, struct cfdata *, void *);
  58 void    bonito_mainbus_attach(struct device *, struct device *, void *);
  59
  60 CFATTACH_DECL(bonito_mainbus, sizeof(struct bonito_softc),
  61     bonito_mainbus_match, bonito_mainbus_attach, NULL, NULL);
  62 extern struct cfdriver bonito_cd;
  63
  64 int
  65 bonito_mainbus_match(struct device *parent, struct cfdata *cf, void *aux)
  66 {
  67         struct mainbus_attach_args *ma = aux;
  68
  69         if (strcmp(ma->ma_name, bonito_cd.cd_name) == 0)
  70                 return (1);
  71
  72         return (0);
  73 }
  74
  75 void
  76 bonito_mainbus_attach(struct device *parent, struct device *self, void *aux)
  77 {
  78         struct bonito_softc *sc = (void *) self;
  79         struct pcibus_attach_args pba;
  80         struct bonito_config *bc;
  81         pcireg_t rev;
  82
  83         /*
  84          * There is only one PCI controller on an Algorithmics board.
  85          */
  86 #if defined(ALGOR_P6032)
  87         bc = &p6032_configuration.ac_bonito;
  88 #endif
  89         sc->sc_bonito = bc;
  90
  91         rev = PCI_REVISION(REGVAL(BONITO_PCICLASS));
  92
  93         printf(": BONITO Memory and PCI controller, %s rev. %d.%d\n",
  94             BONITO_REV_FPGA(rev) ? "FPGA" : "ASIC",
  95             BONITO_REV_MAJOR(rev), BONITO_REV_MINOR(rev));
  96
  97         pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED;
  98         pba.pba_bus = 0;
  99         pba.pba_bridgetag = NULL;
 100
 101 #if defined(ALGOR_P6032)
 102             {
 103                 struct p6032_config *acp = &p6032_configuration;
 104
 105                 pba.pba_iot = &acp->ac_iot;
 106                 pba.pba_memt = &acp->ac_memt;
 107                 pba.pba_dmat = &acp->ac_pci_dmat;
 108                 pba.pba_dmat64 = NULL;
 109                 pba.pba_pc = &acp->ac_pc;
 110             }
 111 #endif /* ALGOR_P6032 */
 112
 113         (void) config_found_ia(self, "pcibus", &pba, pcibusprint);
 114 }