sys/arch/i386/stand/lib/netif/pcnet_isapnp.c

   1 /*      $NetBSD: pcnet_isapnp.c,v 1.8 2008/12/14 18:46:33 christos Exp $        */
   2
   3 /*
   4  * Copyright (c) 1996
   5  *      Matthias Drochner.  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  *
  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, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  *
  27  */
  28
  29
  30 #include <sys/types.h>
  31 #include <machine/pio.h>
  32
  33 #include <lib/libsa/stand.h>
  34 #include <lib/libkern/libkern.h>
  35
  36 #include <libi386.h>
  37 #include <isapnpvar.h>
  38 #include <isadmavar.h>
  39 #include <bootinfo.h>
  40
  41 #include "etherdrv.h"
  42 #include "lance.h"
  43
  44 #ifndef ISAPNPID
  45 #define ISAPNPID 0x516e0010 /* TKN0010 */
  46 #endif
  47
  48 int lance_rap, lance_rdp;
  49
  50 u_char eth_myaddr[6];
  51
  52 extern void am7990_init(void);
  53 extern void am7990_stop(void);
  54
  55 static struct btinfo_netif bi_netif;
  56
  57 int
  58 EtherInit(unsigned char *myadr)
  59 {
  60         int iobase, dmachan, i;
  61
  62         if (isapnp_finddev(ISAPNPID, &iobase, &dmachan)) {
  63                 printf("cannot find PCNET\n");
  64                 return 0;
  65         }
  66
  67         printf("printf using PCNET @ %x\n", iobase);
  68
  69         lance_rap = iobase + 0x12;
  70         lance_rdp = iobase + 0x10;
  71
  72         /* make sure it's stopped */
  73         am7990_stop();
  74
  75         for (i = 0; i < 6; i++)
  76                 myadr[i] = eth_myaddr[i] = inb(iobase + i);
  77
  78         isa_dmacascade(dmachan);
  79
  80         am7990_init();
  81
  82         strncpy(bi_netif.ifname, "le", sizeof(bi_netif.ifname));
  83         bi_netif.bus = BI_BUS_ISA;
  84         bi_netif.addr.iobase = iobase;
  85
  86         BI_ADD(&bi_netif, BTINFO_NETIF, sizeof(bi_netif));
  87
  88         return 1;
  89 }