The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/sparc64/isa/ofw_isa.c

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * Copyright (c) 1999, 2000 Matthew R. Green
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  * 3. The name of the author may not be used to endorse or promote products
   14  *    derived from this software without specific prior written permission.
   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,
   21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
   23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  *
   28  *      from: NetBSD: ebus.c,v 1.52 2008/05/29 14:51:26 mrg Exp
   29  */
   30 /*-
   31  * Copyright (c) 2001, 2003 Thomas Moestl <tmm@FreeBSD.org>
   32  * All rights reserved.
   33  *
   34  * Redistribution and use in source and binary forms, with or without
   35  * modification, are permitted provided that the following conditions
   36  * are met:
   37  * 1. Redistributions of source code must retain the above copyright
   38  *    notice, this list of conditions and the following disclaimer.
   39  * 2. Redistributions in binary form must reproduce the above copyright
   40  *    notice, this list of conditions and the following disclaimer in the
   41  *    documentation and/or other materials provided with the distribution.
   42  * 3. The name of the author may not be used to endorse or promote products
   43  *    derived from this software without specific prior written permission.
   44  *
   45  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   46  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   47  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   48  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   49  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
   50  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   51  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
   52  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   53  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   54  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   55  * SUCH DAMAGE.
   56  */
   57 
   58 #include <sys/cdefs.h>
   59 __FBSDID("$FreeBSD: releng/11.2/sys/sparc64/isa/ofw_isa.c 259516 2013-12-17 15:11:24Z nwhitehorn $");
   60 
   61 /*
   62  * Helper functions which can be used in both ISA and EBus code.
   63  */
   64 
   65 #include <sys/param.h>
   66 #include <sys/systm.h>
   67 #include <sys/bus.h>
   68 
   69 #include <dev/ofw/ofw_bus_subr.h>
   70 #include <dev/ofw/openfirm.h>
   71 
   72 #include <machine/bus.h>
   73 #include <machine/resource.h>
   74 
   75 #include <sparc64/pci/ofw_pci.h>
   76 #include <sparc64/isa/ofw_isa.h>
   77 
   78 #include "pcib_if.h"
   79 
   80 int
   81 ofw_isa_range_restype(struct isa_ranges *range)
   82 {
   83         int ps = ISA_RANGE_PS(range);
   84 
   85         switch (ps) {
   86         case OFW_PCI_CS_IO:
   87                 return (SYS_RES_IOPORT);
   88         case OFW_PCI_CS_MEM32:
   89                 return (SYS_RES_MEMORY);
   90         default:
   91                 panic("ofw_isa_range_restype: illegal space %x", ps);
   92         }
   93 
   94 }
   95 
   96 /* XXX: this only supports PCI as parent bus right now. */
   97 int
   98 ofw_isa_range_map(struct isa_ranges *range, int nrange, u_long *start,
   99     u_long *end, int *which)
  100 {
  101         struct isa_ranges *r;
  102         uint64_t offs, cstart, cend;
  103         int i;
  104 
  105         for (i = 0; i < nrange; i++) {
  106                 r = &range[i];
  107                 cstart = ISA_RANGE_CHILD(r);
  108                 cend = cstart + r->size - 1;
  109                 if (*start < cstart || *start > cend)
  110                         continue;
  111                 if (*end < cstart || *end > cend) {
  112                         panic("ofw_isa_map_iorange: iorange crosses PCI "
  113                             "ranges (%#lx not in %#lx - %#lx)", *end, cstart,
  114                             cend);
  115                 }
  116                 offs = ISA_RANGE_PHYS(r);
  117                 *start = *start + offs - cstart;
  118                 *end  = *end + offs - cstart;
  119                 if (which != NULL)
  120                         *which = i;
  121                 return (ofw_isa_range_restype(r));
  122         }
  123         panic("ofw_isa_map_iorange: could not map range %#lx - %#lx",
  124             *start, *end);
  125 }
  126 
  127 ofw_pci_intr_t
  128 ofw_isa_route_intr(device_t bridge, phandle_t node, struct ofw_bus_iinfo *ii,
  129     ofw_isa_intr_t intr)
  130 {
  131         struct isa_regs reg;
  132         device_t pbridge;
  133         ofw_isa_intr_t mintr;
  134 
  135         pbridge = device_get_parent(device_get_parent(bridge));
  136         /*
  137          * If we get a match from using the map, the resulting INO is
  138          * fully specified, so we may not continue to map.
  139          */
  140         if (!ofw_bus_lookup_imap(node, ii, &reg, sizeof(reg),
  141             &intr, sizeof(intr), &mintr, sizeof(mintr), NULL)) {
  142                 /* Try routing at the parent bridge. */
  143                 mintr = PCIB_ROUTE_INTERRUPT(pbridge, bridge, intr);
  144         }
  145         return (mintr);
  146 }

Cache object: b9af752d079ea1a75745be86093daaee


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.