sys/arch/arm/xscale/ixp425.c

   1 /*      $NetBSD: ixp425.c,v 1.12 2009/03/17 00:51:27 msaitoh Exp $ */
   2
   3 /*
   4  * Copyright (c) 2003
   5  *      Ichiro FUKUHARA <ichiro@ichiro.org>.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
  21  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 #include "pci.h"
  31
  32 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: ixp425.c,v 1.12 2009/03/17 00:51:27 msaitoh Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/systm.h>
  37 #include <sys/device.h>
  38 #include <uvm/uvm.h>
  39
  40 #include <machine/bus.h>
  41
  42 #include <arm/xscale/ixp425reg.h>
  43 #include <arm/xscale/ixp425var.h>
  44
  45 struct  ixp425_softc *ixp425_softc;
  46
  47 void
  48 ixp425_attach(struct ixp425_softc *sc)
  49 {
  50 #if NPCI > 0
  51         struct pcibus_attach_args pba;
  52 #endif
  53
  54         sc->sc_iot = &ixp425_bs_tag;
  55
  56         ixp425_softc = sc;
  57
  58         printf("\n");
  59
  60         /*
  61          * Mapping for GPIO Registers
  62          */
  63         if (bus_space_map(sc->sc_iot, IXP425_GPIO_HWBASE, IXP425_GPIO_SIZE,
  64                           0, &sc->sc_gpio_ioh))
  65                 panic("%s: unable to map GPIO registers", sc->sc_dev.dv_xname);
  66
  67         if (bus_space_map(sc->sc_iot, IXP425_EXP_HWBASE, IXP425_EXP_SIZE,
  68                           0, &sc->sc_exp_ioh))
  69                 panic("%s: unable to map Expansion Bus registers",
  70                     sc->sc_dev.dv_xname);
  71
  72 #if NPCI > 0
  73         /*
  74          * Mapping for PCI CSR
  75          */
  76         if (bus_space_map(sc->sc_iot, IXP425_PCI_HWBASE, IXP425_PCI_SIZE,
  77                           0, &sc->sc_pci_ioh))
  78                 panic("%s: unable to map PCI registers", sc->sc_dev.dv_xname);
  79
  80         /*
  81          * Invoke the board-specific PCI initialization code
  82          */
  83         ixp425_md_pci_init(sc);
  84
  85         /*
  86          * Generic initialization of the PCI chipset.
  87          */
  88         ixp425_pci_init(sc);
  89
  90         /*
  91          * Initialize the DMA tags.
  92          */
  93         ixp425_pci_dma_init(sc);
  94
  95         /*
  96          * Attach the PCI bus.
  97          */
  98         pba.pba_pc = &sc->ia_pci_chipset;
  99         pba.pba_iot = &sc->sc_pci_iot;
 100         pba.pba_memt = &sc->sc_pci_memt;
 101         pba.pba_dmat = &sc->ia_pci_dmat;
 102         pba.pba_bus = 0;        /* bus number = 0 */
 103         pba.pba_bridgetag = NULL;
 104         pba.pba_intrswiz = 0;   /* XXX */
 105         pba.pba_intrtag = 0;
 106         pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED |
 107                         PCI_FLAGS_MRL_OKAY   | PCI_FLAGS_MRM_OKAY |
 108                         PCI_FLAGS_MWI_OKAY;
 109         (void) config_found_ia(&sc->sc_dev, "pcibus", &pba, pcibusprint);
 110 #endif
 111 }