sys/arch/amiga/dev/if_ne_zbus.c

   1 /*      $NetBSD: if_ne_zbus.c,v 1.12 2008/03/12 14:31:11 cube Exp $ */
   2
   3 /*-
   4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Bernd Ernesti.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: if_ne_zbus.c,v 1.12 2008/03/12 14:31:11 cube Exp $");
  34
  35 /*
  36  * Thanks to Village Tronic for giving me a card.
  37  * Bernd Ernesti
  38  */
  39
  40 #include <sys/param.h>
  41 #include <sys/device.h>
  42 #include <sys/malloc.h>
  43 #include <sys/mbuf.h>
  44 #include <sys/socket.h>
  45 #include <sys/syslog.h>
  46 #include <sys/systm.h>
  47
  48 #include <net/if.h>
  49 #include <net/if_media.h>
  50 #include <net/if_ether.h>
  51
  52 #include <machine/bus.h>
  53
  54 #include <dev/ic/dp8390reg.h>
  55 #include <dev/ic/dp8390var.h>
  56
  57 #include <dev/ic/ne2000reg.h>
  58 #include <dev/ic/ne2000var.h>
  59
  60 #include <dev/ic/rtl80x9reg.h>
  61 #include <dev/ic/rtl80x9var.h>
  62
  63 #include <amiga/amiga/device.h>
  64 #include <amiga/amiga/isr.h>
  65
  66 #include <amiga/dev/zbusvar.h>
  67
  68 int     ne_zbus_match(device_t, cfdata_t , void *);
  69 void    ne_zbus_attach(device_t, device_t, void *);
  70
  71 struct ne_zbus_softc {
  72         struct ne2000_softc     sc_ne2000;
  73         struct bus_space_tag    sc_bst;
  74         struct isr              sc_isr;
  75 };
  76
  77 CFATTACH_DECL_NEW(ne_zbus, sizeof(struct ne_zbus_softc),
  78     ne_zbus_match, ne_zbus_attach, NULL, NULL);
  79
  80 /*
  81  * The Amiga address are shifted by one bit to the ISA-Bus, but
  82  * this is handled by the bus_space functions.
  83  */
  84 #define NE_ARIADNE_II_NPORTS    0x20
  85 #define NE_ARIADNE_II_NICBASE   0x0300  /* 0x0600 */
  86 #define NE_ARIADNE_II_NICSIZE   0x10
  87 #define NE_ARIADNE_II_ASICBASE  0x0310  /* 0x0620 */
  88 #define NE_ARIADNE_II_ASICSIZE  0x10
  89
  90 int
  91 ne_zbus_match(device_t parent, cfdata_t cf, void *aux)
  92 {
  93         struct zbus_args *zap = aux;
  94
  95         /* Ariadne II ethernet card */
  96         if (zap->manid == 2167 && zap->prodid == 202)
  97                 return (1);
  98
  99         /* X-surf ethernet card */
 100         if (zap->manid == 4626 && zap->prodid == 23)
 101                 return (1);
 102
 103         return (0);
 104 }
 105
 106 /*
 107  * Install interface into kernel networking data structures
 108  */
 109 void
 110 ne_zbus_attach(device_t parent, device_t self, void *aux)
 111 {
 112         struct ne_zbus_softc *zsc = device_private(self);
 113         struct ne2000_softc *nsc = &zsc->sc_ne2000;
 114         struct dp8390_softc *dsc = &nsc->sc_dp8390;
 115         struct zbus_args *zap = aux;
 116         bus_space_tag_t nict = &zsc->sc_bst;
 117         bus_space_handle_t nich;
 118         bus_space_tag_t asict = nict;
 119         bus_space_handle_t asich;
 120
 121         dsc->sc_dev = self;
 122         dsc->sc_mediachange = rtl80x9_mediachange;
 123         dsc->sc_mediastatus = rtl80x9_mediastatus;
 124         dsc->init_card = rtl80x9_init_card;
 125         dsc->sc_media_init = rtl80x9_media_init;
 126
 127         zsc->sc_bst.base = (u_long)zap->va + 0;
 128         if (zap->manid == 4626)
 129                  zsc->sc_bst.base += 0x8000;
 130
 131         zsc->sc_bst.absm = &amiga_bus_stride_2;
 132
 133         aprint_normal("\n");
 134
 135         /* Map i/o space. */
 136         if (bus_space_map(nict, NE_ARIADNE_II_NICBASE, NE_ARIADNE_II_NPORTS, 0, &nich)) {
 137                 aprint_error_dev(self, "can't map nic i/o space\n");
 138                 return;
 139         }
 140
 141         if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, NE_ARIADNE_II_ASICSIZE,
 142             &asich)) {
 143                 aprint_error_dev(self, "can't map asic i/o space\n");
 144                 return;
 145         }
 146
 147         dsc->sc_regt = nict;
 148         dsc->sc_regh = nich;
 149
 150         nsc->sc_asict = asict;
 151         nsc->sc_asich = asich;
 152
 153         /* This interface is always enabled. */
 154         dsc->sc_enabled = 1;
 155
 156         /*
 157          * Do generic NE2000 attach.  This will read the station address
 158          * from the EEPROM.
 159          */
 160         ne2000_attach(nsc, NULL);
 161
 162         zsc->sc_isr.isr_intr = dp8390_intr;
 163         zsc->sc_isr.isr_arg = dsc;
 164         zsc->sc_isr.isr_ipl = 2;
 165         add_isr(&zsc->sc_isr);
 166 }