sys/arch/evbmips/gdium/mainbus.c

   1 /*      $NetBSD: mainbus.c,v 1.2 2009/08/06 16:37:01 matt Exp $ */
   2
   3 /*
   4  * Copyright 2002 Wasabi Systems, Inc.
   5  * All rights reserved.
   6  *
   7  * Written by Simon Burge for Wasabi Systems, Inc.
   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 for the NetBSD Project by
  20  *      Wasabi Systems, Inc.
  21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
  22  *    or promote products derived from this software without specific prior
  23  *    written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
  26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
  29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  35  * POSSIBILITY OF SUCH DAMAGE.
  36  */
  37
  38 #include <sys/cdefs.h>
  39 __KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.2 2009/08/06 16:37:01 matt Exp $");
  40
  41 #include "opt_pci.h"
  42
  43 #include <sys/param.h>
  44 #include <sys/systm.h>
  45 #include <sys/device.h>
  46 #if defined(PCI_NETBSD_CONFIGURE)
  47 #include <sys/extent.h>
  48 #include <sys/malloc.h>
  49 #endif
  50
  51 #include <dev/pci/pcivar.h>
  52 #if defined(PCI_NETBSD_CONFIGURE)
  53 #include <dev/pci/pciconf.h>
  54 #endif
  55
  56 #include <mips/cache.h>
  57 #include <mips/cpuregs.h>
  58
  59 #include <mips/bonito/bonitoreg.h>
  60 #include <evbmips/gdium/gdiumvar.h>
  61
  62 #include "locators.h"
  63 #include "pci.h"
  64
  65 static int      mainbus_match(device_t, cfdata_t, void *);
  66 static void     mainbus_attach(device_t, device_t, void *);
  67 static int      mainbus_print(void *, const char *);
  68
  69 CFATTACH_DECL_NEW(mainbus, 0,
  70     mainbus_match, mainbus_attach, NULL, NULL);
  71
  72 /* There can be only one. */
  73 static bool mainbus_found;
  74
  75 const char * const mainbusdevs[] = {
  76         "cpu",
  77         "bonito",
  78 #if 0
  79         "i2c",
  80         "gpio",
  81 #endif
  82 };
  83
  84 static int
  85 mainbus_match(device_t parent, cfdata_t match, void *aux)
  86 {
  87         if (mainbus_found)
  88                 return (0);
  89
  90         return (1);
  91 }
  92
  93 static void
  94 mainbus_attach(device_t parent, device_t self, void *aux)
  95 {
  96         size_t i;
  97
  98         mainbus_found = true;
  99         aprint_normal("\n");
 100
 101 #if defined(PCI_NETBSD_CONFIGURE)
 102         {
 103                 struct extent *ioext, *memext;
 104
 105                 ioext = extent_create("pciio",  0x00001000, 0x00003fff,
 106                     M_DEVBUF, NULL, 0, EX_NOWAIT);
 107                 memext = extent_create("pcimem", 0, BONITO_PCILO_SIZE,
 108                     M_DEVBUF, NULL, 0, EX_NOWAIT);
 109
 110                 pci_configure_bus(&gdium_configuration.gc_pc, ioext, memext,
 111                     NULL, 0, mips_dcache_align);
 112                 extent_destroy(ioext);
 113                 extent_destroy(memext);
 114         }
 115 #endif /* PCI_NETBSD_CONFIGURE */
 116
 117         for (i = 0; i < __arraycount(mainbusdevs); i++) {
 118                 struct mainbus_attach_args maa;
 119                 maa.maa_name = mainbusdevs[i];
 120                 (void) config_found(self, &maa, mainbus_print);
 121         }
 122 }
 123
 124 static int
 125 mainbus_print(void *aux, const char *pnp)
 126 {
 127         struct mainbus_attach_args *maa = aux;
 128
 129         if (pnp)
 130                 aprint_normal("%s at %s", maa->maa_name, pnp);
 131
 132         return UNCONF;
 133 }