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/dev/altera/atse/if_atse_nexus.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  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2012,2013 Bjoern A. Zeeb
    5  * All rights reserved.
    6  *
    7  * This software was developed by SRI International and the University of
    8  * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-11-C-0249)
    9  * ("MRC2"), as part of the DARPA MRC research programme.
   10  *
   11  * Redistribution and use in source and binary forms, with or without
   12  * modification, are permitted provided that the following conditions
   13  * are met:
   14  * 1. Redistributions of source code must retain the above copyright
   15  *    notice, this list of conditions and the following disclaimer.
   16  * 2. Redistributions in binary form must reproduce the above copyright
   17  *    notice, this list of conditions and the following disclaimer in the
   18  *    documentation and/or other materials provided with the distribution.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30  * SUCH DAMAGE.
   31  */
   32 
   33 #include <sys/cdefs.h>
   34 __FBSDID("$FreeBSD: releng/12.0/sys/dev/altera/atse/if_atse_nexus.c 332474 2018-04-13 15:59:24Z br $");
   35 
   36 #include "opt_device_polling.h"
   37 
   38 #include <sys/param.h>
   39 #include <sys/kernel.h>
   40 #include <sys/bus.h>
   41 #include <sys/module.h>
   42 #include <sys/rman.h>
   43 #include <sys/socket.h>
   44 #include <sys/types.h>
   45 
   46 #include <machine/bus.h>
   47 #include <machine/resource.h>
   48 
   49 #include <net/ethernet.h>
   50 #include <net/if.h>
   51 #include <net/if_media.h>
   52 #include <net/if_var.h>
   53 
   54 #include <dev/mii/mii.h>
   55 #include <dev/mii/miivar.h>
   56 
   57 #include <dev/altera/atse/if_atsereg.h>
   58 
   59 /* "device miibus" required.  See GENERIC if you get errors here. */
   60 #include "miibus_if.h"
   61 
   62 MODULE_DEPEND(atse, ether, 1, 1, 1);
   63 MODULE_DEPEND(atse, miibus, 1, 1, 1);
   64 
   65 /*
   66  * Device routines for interacting with nexus (probe, attach, detach) & helpers.
   67  * XXX We should add suspend/resume later.
   68  */
   69 static int __unused
   70 atse_resource_int(device_t dev, const char *resname, int *v)
   71 {
   72         int error;
   73 
   74         error = resource_int_value(device_get_name(dev), device_get_unit(dev),
   75             resname, v);
   76         if (error != 0) {
   77                 /* If it does not exist, we fail, so not ingoring ENOENT. */
   78                 device_printf(dev, "could not fetch '%s' hint\n", resname);
   79                 return (error);
   80         }
   81 
   82         return (0);
   83 }
   84 
   85 static int __unused
   86 atse_resource_long(device_t dev, const char *resname, long *v)
   87 {
   88         int error;
   89 
   90         error = resource_long_value(device_get_name(dev), device_get_unit(dev),
   91             resname, v);
   92         if (error != 0) {
   93                 /* If it does not exist, we fail, so not ingoring ENOENT. */
   94                 device_printf(dev, "could not fetch '%s' hint\n", resname);
   95                 return (error);
   96         }
   97 
   98         return (0);
   99 }
  100 
  101 static int
  102 atse_probe_nexus(device_t dev)
  103 {
  104 
  105         device_set_desc(dev, "Altera Triple-Speed Ethernet MegaCore");
  106 
  107         return (BUS_PROBE_NOWILDCARD);
  108 }
  109 
  110 static int
  111 atse_attach_nexus(device_t dev)
  112 {
  113         struct atse_softc *sc;
  114         int error;
  115 
  116         sc = device_get_softc(dev);
  117         sc->atse_dev = dev;
  118         sc->atse_unit = device_get_unit(dev);
  119 
  120         /* Avalon-MM, atse management register region. */
  121         sc->atse_mem_rid = 0;
  122         sc->atse_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
  123             &sc->atse_mem_rid, RF_ACTIVE);
  124         if (sc->atse_mem_res == NULL) {
  125                 device_printf(dev, "failed to map memory for ctrl region\n");
  126                 return (ENXIO);
  127         }
  128 
  129         error = atse_attach(dev);
  130         if (error) {
  131                 /* Cleanup. */
  132                 atse_detach_resources(dev);
  133                 return (error);
  134         }
  135 
  136         return (0);
  137 }
  138 
  139 static device_method_t atse_methods_nexus[] = {
  140         /* Device interface */
  141         DEVMETHOD(device_probe,         atse_probe_nexus),
  142         DEVMETHOD(device_attach,        atse_attach_nexus),
  143         DEVMETHOD(device_detach,        atse_detach_dev),
  144 
  145         /* MII interface */
  146         DEVMETHOD(miibus_readreg,       atse_miibus_readreg),
  147         DEVMETHOD(miibus_writereg,      atse_miibus_writereg),
  148         DEVMETHOD(miibus_statchg,       atse_miibus_statchg),
  149 
  150         DEVMETHOD_END
  151 };
  152 
  153 static driver_t atse_driver_nexus = {
  154         "atse",
  155         atse_methods_nexus,
  156         sizeof(struct atse_softc)
  157 };
  158 
  159 DRIVER_MODULE(atse, nexus, atse_driver_nexus, atse_devclass, 0, 0);
  160 DRIVER_MODULE(miibus, atse, miibus_driver, miibus_devclass, 0, 0);

Cache object: 6af3867aa8bf494ea7c898e3f3963cae


[ 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.