sys/arch/mac68k/nubus/if_sm_nubus.c

   1 /*      $NetBSD: if_sm_nubus.c,v 1.4.6.5 2005/11/10 13:57:13 skrll Exp $        */
   2
   3 /*
   4  * Copyright (c) 2000 Allen Briggs.
   5  * 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  * 3. The name of the author may not be used to endorse or promote products
  16  *    derived from this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <sys/cdefs.h>
  31 __KERNEL_RCSID(0, "$NetBSD: if_sm_nubus.c,v 1.4.6.5 2005/11/10 13:57:13 skrll Exp $");
  32
  33 #include "opt_inet.h"
  34
  35 #include <sys/param.h>
  36 #include <sys/device.h>
  37 #include <sys/errno.h>
  38 #include <sys/ioctl.h>
  39 #include <sys/socket.h>
  40 #include <sys/syslog.h>
  41 #include <sys/systm.h>
  42
  43 #include <net/if.h>
  44 #include <net/if_ether.h>
  45 #include <net/if_media.h>
  46
  47 #include <machine/bus.h>
  48 #include <machine/viareg.h>
  49
  50 #include <dev/mii/mii.h>
  51 #include <dev/mii/miivar.h>
  52
  53 #include <dev/ic/smc91cxxreg.h>
  54 #include <dev/ic/smc91cxxvar.h>
  55
  56 #include <mac68k/nubus/nubus.h>
  57
  58 static int      sm_nubus_match(struct device *, struct cfdata *, void *);
  59 static void     sm_nubus_attach(struct device *, struct device *, void *);
  60
  61 CFATTACH_DECL(sm_nubus, sizeof(struct smc91cxx_softc),
  62     sm_nubus_match, sm_nubus_attach, NULL, NULL);
  63
  64 static int
  65 sm_nubus_match(struct device *parent, struct cfdata *cf, void *aux)
  66 {
  67         struct nubus_attach_args *na = (struct nubus_attach_args *) aux;
  68         bus_space_handle_t bsh;
  69         int rv;
  70
  71         if (bus_space_map(na->na_tag,
  72             NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh))
  73                 return (0);
  74
  75         rv = 0;
  76
  77         if (na->category == NUBUS_CATEGORY_NETWORK &&
  78             na->type == NUBUS_TYPE_ETHERNET) {
  79                 switch (na->drsw) {
  80                 case NUBUS_DRSW_FOCUS:
  81                 case NUBUS_DRSW_ASANTEF:
  82                         rv = 1;
  83                         break;
  84                 default:
  85                         rv = 0;
  86                         break;
  87                 }
  88         }
  89
  90         bus_space_unmap(na->na_tag, bsh, NBMEMSIZE);
  91
  92         return rv;
  93 }
  94
  95 /*
  96  * Install interface into kernel networking data structures
  97  */
  98 static void
  99 sm_nubus_attach(struct device *parent, struct device *self, void *aux)
 100 {
 101         struct smc91cxx_softc *smc = (struct smc91cxx_softc *) self;
 102         struct nubus_attach_args *na = (struct nubus_attach_args *)aux;
 103         bus_space_tag_t bst = na->na_tag;
 104         bus_space_handle_t bsh, prom_bsh;
 105         u_int8_t myaddr[ETHER_ADDR_LEN];
 106         int i, success;
 107         const char *cardtype;
 108
 109         bst = na->na_tag;
 110         if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) {
 111                 printf(": failed to map memory space.\n");
 112                 return;
 113         }
 114
 115         mac68k_bus_space_handle_swapped(bst, &bsh);
 116
 117         smc->sc_bst = bst;
 118         smc->sc_bsh = bsh;
 119
 120         cardtype = nubus_get_card_name(bst, bsh, na->fmt);
 121
 122         success = 0;
 123
 124         switch (na->drsw) {
 125         case NUBUS_DRSW_FOCUS:
 126                 if (bus_space_subregion(bst, bsh, 0xFF8000, 0x20, &prom_bsh)) {
 127                         printf(": failed to map EEPROM space.\n");
 128                         break;
 129                 }
 130
 131                 success = 1;
 132                 break;
 133         case NUBUS_DRSW_ASANTEF:
 134                 if (bus_space_subregion(bst, bsh, 0xFE0000, 0x20, &prom_bsh)) {
 135                         printf(": failed to map EEPROM space.\n");
 136                         break;
 137                 }
 138
 139                 success = 1;
 140                 break;
 141         }
 142
 143         if (!success) {
 144                 bus_space_unmap(bst, bsh, NBMEMSIZE);
 145                 return;
 146         }
 147         for (i=0 ; i<6 ; i++) {
 148                 myaddr[i] = bus_space_read_1(bst, prom_bsh, i*4);
 149         }
 150
 151         smc->sc_flags |= SMC_FLAGS_ENABLED;
 152
 153         printf(": %s\n", cardtype);
 154
 155         smc91cxx_attach(smc, myaddr);
 156
 157         add_nubus_intr(na->slot, (void (*)(void *))smc91cxx_intr, smc);
 158 }