sys/arch/evbppc/obs405/rbus_machdep.c

   1 /*      $NetBSD: rbus_machdep.c,v 1.2 2005/12/11 12:17:12 christos Exp $        */
   2
   3 /*
   4  * Copyright (c) 2003
   5  *     KIYOHARA Takashi.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #include <sys/cdefs.h>
  29
  30 #include <sys/param.h>
  31 #include <sys/device.h>
  32 #include <sys/systm.h>
  33
  34 #include <sys/extent.h>
  35
  36 #include <uvm/uvm_extern.h>
  37
  38 #include <machine/bus.h>
  39
  40 #include <dev/pci/pcivar.h>
  41 #include <dev/pci/pcidevs.h>
  42 #include <dev/cardbus/rbus.h>
  43
  44 #include "opt_pci.h"
  45
  46 #ifndef PCI_NETBSD_CONFIGURE
  47 #error requird macro PCI_NETBSD_CONFIGURE
  48 #endif
  49
  50 #ifdef RBUS_DEBUG
  51 # define DPRINTF printf
  52 #else
  53 # define DPRINTF while (0) printf
  54 #endif
  55
  56 int
  57 md_space_map(bus_space_tag_t t, bus_addr_t bpa, bus_size_t size, int flags, bus_space_handle_t *bshp)
  58 {
  59         DPRINTF("md_space_map: 0x%x, 0x%x, 0x%x\n", t->pbs_base, bpa, size);
  60
  61         return bus_space_map(t, bpa, size, flags, bshp);
  62 }
  63
  64 void
  65 md_space_unmap(bus_space_tag_t t, bus_space_handle_t bsh, bus_size_t size, bus_addr_t *adrp)
  66 {
  67         paddr_t pa;
  68
  69         DPRINTF("md_space_unmap: 0x%x 0x%x\n", t->pbs_base, bsh);
  70
  71         if (adrp != NULL) {
  72                 pmap_extract(pmap_kernel(), bsh, &pa);
  73                 *adrp = pa - t->pbs_offset;
  74         }
  75         bus_space_unmap(t, bsh, size);
  76 }
  77
  78 rbus_tag_t
  79 rbus_pccbb_parent_mem(struct pci_attach_args *pa)
  80 {
  81         bus_addr_t start;
  82         bus_size_t size;
  83         pci_chipset_tag_t pc = pa->pa_pc;
  84         struct extent *ex = pc->memext;
  85
  86         start = ex->ex_start;
  87         size = ex->ex_end - start;
  88
  89         return rbus_new_root_share(pa->pa_memt, ex, start, size, 0);
  90 }
  91
  92 rbus_tag_t
  93 rbus_pccbb_parent_io(struct pci_attach_args *pa)
  94 {
  95         bus_addr_t start;
  96         bus_size_t size;
  97         pci_chipset_tag_t pc = pa->pa_pc;
  98         struct extent *ex = pc->ioext;
  99
 100         start = ex->ex_start;
 101         size = ex->ex_end - start;
 102
 103         return rbus_new_root_share(pa->pa_iot, ex, start, size, 0);
 104 }