sys/arch/evbmips/gdium/bonito_mainbus.c

   1 /*      $NetBSD: bonito_mainbus.c,v 1.11 2008/04/28 20:23:10 martin 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 1.11 2008/04/28 20:23:10 martin Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/systm.h>
  37 #include <sys/conf.h>
  38 #include <sys/reboot.h>
  39 #include <sys/device.h>
  40
  41 #include <machine/bus.h>
  42
  43 #include <mips/bonito/bonitoreg.h>
  44
  45 #include <evbmips/gdium/gdiumvar.h>
  46
  47 static int      bonito_mainbus_match(device_t, cfdata_t, void *);
  48 static void     bonito_mainbus_attach(device_t, device_t, void *);
  49
  50 CFATTACH_DECL_NEW(bonito_mainbus, 0,
  51     bonito_mainbus_match, bonito_mainbus_attach, NULL, NULL);
  52
  53 extern struct cfdriver bonito_cd;
  54
  55 int
  56 bonito_mainbus_match(device_t parent, cfdata_t cf, void *aux)
  57 {
  58         struct mainbus_attach_args * const maa = aux;
  59
  60         if (strcmp(maa->maa_name, bonito_cd.cd_name) == 0)
  61                 return (1);
  62
  63         return (0);
  64 }
  65
  66 void
  67 bonito_mainbus_attach(device_t parent, device_t self, void *aux)
  68 {
  69         struct pcibus_attach_args pba;
  70         struct gdium_config * const gc = &gdium_configuration;
  71         pcireg_t rev;
  72
  73         self->dv_private = &gc->gc_bonito;
  74
  75         /*
  76          * There is only one PCI controller on a Loongson chip.
  77          */
  78
  79         rev = PCI_REVISION(REGVAL(BONITO_PCICLASS));
  80
  81         printf(": BONITO Memory and PCI controller, %s rev. %d.%d\n",
  82             BONITO_REV_FPGA(rev) ? "FPGA" : "ASIC",
  83             BONITO_REV_MAJOR(rev), BONITO_REV_MINOR(rev));
  84
  85         pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED;
  86         pba.pba_bus = 0;
  87         pba.pba_bridgetag = NULL;
  88
  89         pba.pba_iot = &gc->gc_iot;
  90         pba.pba_memt = &gc->gc_memt;
  91         pba.pba_dmat = &gc->gc_pci_dmat;
  92         pba.pba_dmat64 = NULL;
  93         pba.pba_pc = &gc->gc_pc;
  94
  95         (void) config_found_ia(self, "pcibus", &pba, pcibusprint);
  96 }