sys/arch/x68k/dev/if_ne_neptune.c

   1 /*      $NetBSD: if_ne_neptune.c,v 1.17 2009/01/18 04:48:53 isaki Exp $ */
   2
   3 /*-
   4  * Copyright (c) 1997, 1998 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 of the Numerical Aerospace Simulation Facility,
   9  * NASA Ames Research Center.
  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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30  * POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <sys/cdefs.h>
  34 __KERNEL_RCSID(0, "$NetBSD: if_ne_neptune.c,v 1.17 2009/01/18 04:48:53 isaki Exp $");
  35
  36 #include "opt_inet.h"
  37 #include "opt_ns.h"
  38 #include "bpfilter.h"
  39
  40 #include <sys/param.h>
  41 #include <sys/systm.h>
  42 #include <sys/mbuf.h>
  43 #include <sys/socket.h>
  44 #include <sys/ioctl.h>
  45 #include <sys/errno.h>
  46 #include <sys/syslog.h>
  47 #include <sys/select.h>
  48 #include <sys/device.h>
  49
  50 #include <net/if.h>
  51 #include <net/if_dl.h>
  52 #include <net/if_ether.h>
  53 #include <net/if_media.h>
  54
  55 #ifdef INET
  56 #include <netinet/in.h>
  57 #include <netinet/in_systm.h>
  58 #include <netinet/in_var.h>
  59 #include <netinet/ip.h>
  60 #include <netinet/if_inarp.h>
  61 #endif
  62
  63 #ifdef NS
  64 #include <netns/ns.h>
  65 #include <netns/ns_if.h>
  66 #endif
  67
  68 #if NBPFILTER > 0
  69 #include <net/bpf.h>
  70 #include <net/bpfdesc.h>
  71 #endif
  72
  73 #include <machine/bus.h>
  74
  75 #include <dev/ic/dp8390reg.h>
  76 #include <dev/ic/dp8390var.h>
  77
  78 #include <dev/ic/ne2000reg.h>
  79 #include <dev/ic/ne2000var.h>
  80
  81 #include <dev/ic/rtl80x9reg.h>
  82 #include <dev/ic/rtl80x9var.h>
  83
  84 #include <arch/x68k/dev/neptunevar.h>
  85
  86 static int ne_neptune_match(device_t, cfdata_t, void *);
  87 static void ne_neptune_attach(device_t, device_t, void *);
  88
  89 #define ne_neptune_softc ne2000_softc
  90
  91 CFATTACH_DECL_NEW(ne_neptune, sizeof(struct ne_neptune_softc),
  92     ne_neptune_match, ne_neptune_attach, NULL, NULL);
  93
  94 int
  95 ne_neptune_match(device_t parent, cfdata_t match, void *aux)
  96 {
  97         struct neptune_attach_args *na = aux;
  98         bus_space_tag_t nict = na->na_bst;
  99         bus_space_handle_t nich;
 100         bus_space_tag_t asict;
 101         bus_space_handle_t asich;
 102         int rv = 0;
 103
 104         if (na->na_addr == NEPTUNECF_ADDR_DEFAULT)
 105                 na->na_addr = 0x300;
 106
 107         /* Make sure this is a valid NE[12]000 i/o address. */
 108         if ((na->na_addr & 0x1f) != 0)
 109                 return (0);
 110
 111         /* Map i/o space. */
 112         if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich))
 113                 return (0);
 114
 115         asict = nict;
 116         if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
 117             NE2000_ASIC_NPORTS*2, &asich))
 118                 goto out;
 119
 120         /* Look for an NE2000-compatible card. */
 121         rv = ne2000_detect(nict, nich, asict, asich);
 122
 123  out:
 124         bus_space_unmap(nict, nich, NE2000_NPORTS);
 125         return (rv != 0) ? 1 : 0;
 126 }
 127
 128 void
 129 ne_neptune_attach(device_t parent, device_t self, void *aux)
 130 {
 131         struct ne_neptune_softc *nsc = device_private(self);
 132         struct dp8390_softc *dsc = &nsc->sc_dp8390;
 133         struct neptune_attach_args *na = aux;
 134         bus_space_tag_t nict = na->na_bst;
 135         bus_space_handle_t nich;
 136         bus_space_tag_t asict = nict;
 137         bus_space_handle_t asich;
 138         const char *typestr;
 139         int netype;
 140
 141         dsc->sc_dev = self;
 142         aprint_normal("\n");
 143
 144         /* Map i/o space. */
 145         if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich)) {
 146                 aprint_error_dev(self, "can't map i/o space\n");
 147                 return;
 148         }
 149
 150         if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
 151             NE2000_ASIC_NPORTS*2, &asich)) {
 152                 aprint_error_dev(self, "can't subregion i/o space\n");
 153                 return;
 154         }
 155
 156         dsc->sc_regt = nict;
 157         dsc->sc_regh = nich;
 158
 159         nsc->sc_asict = asict;
 160         nsc->sc_asich = asich;
 161
 162         /*
 163          * Detect it again, so we can print some information about the
 164          * interface.
 165          */
 166         netype = ne2000_detect(nict, nich, asict, asich);
 167         switch (netype) {
 168         case NE2000_TYPE_NE1000:
 169                 typestr = "NE1000";
 170                 break;
 171
 172         case NE2000_TYPE_NE2000:
 173                 typestr = "NE2000";
 174                 /*
 175                  * Check for a Realtek 8019.
 176                  */
 177                 bus_space_write_1(nict, nich, ED_P0_CR,
 178                     ED_CR_PAGE_0 | ED_CR_STP);
 179                 if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) ==
 180                                                                 RTL0_8019ID0 &&
 181                     bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) ==
 182                                                                 RTL0_8019ID1) {
 183                         typestr = "NE2000 (RTL8019)";
 184                         dsc->sc_mediachange = rtl80x9_mediachange;
 185                         dsc->sc_mediastatus = rtl80x9_mediastatus;
 186                         dsc->init_card = rtl80x9_init_card;
 187                         dsc->sc_media_init = rtl80x9_media_init;
 188                 }
 189                 break;
 190
 191         default:
 192                 aprint_error_dev(self, "where did the card go?!\n");
 193                 return;
 194         }
 195
 196         aprint_normal_dev(self, "%s Ethernet\n", typestr);
 197
 198         /* This interface is always enabled. */
 199         dsc->sc_enabled = 1;
 200
 201         /*
 202          * Do generic NE2000 attach.  This will read the station address
 203          * from the EEPROM.
 204          */
 205         ne2000_attach(nsc, NULL);
 206
 207         /* Establish the interrupt handler. */
 208         if (neptune_intr_establish(na->na_intr, "ne", dp8390_intr, dsc))
 209                 aprint_error_dev(self,
 210                     "couldn't establish interrupt handler\n");
 211 }