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if_ne_neptune.c revision 1.19.2.1
      1 /*	$NetBSD: if_ne_neptune.c,v 1.19.2.1 2010/04/30 14:39:57 uebayasi 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 1.19.2.1 2010/04/30 14:39:57 uebayasi Exp $");
     35 
     36 #include "opt_inet.h"
     37 #include "opt_ns.h"
     38 
     39 #include <sys/param.h>
     40 #include <sys/systm.h>
     41 #include <sys/mbuf.h>
     42 #include <sys/socket.h>
     43 #include <sys/ioctl.h>
     44 #include <sys/errno.h>
     45 #include <sys/syslog.h>
     46 #include <sys/select.h>
     47 #include <sys/device.h>
     48 
     49 #include <net/if.h>
     50 #include <net/if_dl.h>
     51 #include <net/if_ether.h>
     52 #include <net/if_media.h>
     53 
     54 #ifdef INET
     55 #include <netinet/in.h>
     56 #include <netinet/in_systm.h>
     57 #include <netinet/in_var.h>
     58 #include <netinet/ip.h>
     59 #include <netinet/if_inarp.h>
     60 #endif
     61 
     62 #ifdef NS
     63 #include <netns/ns.h>
     64 #include <netns/ns_if.h>
     65 #endif
     66 
     67 #include <machine/bus.h>
     68 
     69 #include <dev/ic/dp8390reg.h>
     70 #include <dev/ic/dp8390var.h>
     71 
     72 #include <dev/ic/ne2000reg.h>
     73 #include <dev/ic/ne2000var.h>
     74 
     75 #include <arch/x68k/dev/neptunevar.h>
     76 
     77 static int ne_neptune_match(device_t, cfdata_t, void *);
     78 static void ne_neptune_attach(device_t, device_t, void *);
     79 
     80 #define ne_neptune_softc ne2000_softc
     81 
     82 CFATTACH_DECL_NEW(ne_neptune, sizeof(struct ne_neptune_softc),
     83     ne_neptune_match, ne_neptune_attach, NULL, NULL);
     84 
     85 int
     86 ne_neptune_match(device_t parent, cfdata_t match, void *aux)
     87 {
     88 	struct neptune_attach_args *na = aux;
     89 	bus_space_tag_t nict = na->na_bst;
     90 	bus_space_handle_t nich;
     91 	bus_space_tag_t asict;
     92 	bus_space_handle_t asich;
     93 	int rv = 0;
     94 
     95 	if (na->na_addr == NEPTUNECF_ADDR_DEFAULT)
     96 		na->na_addr = 0x300;
     97 
     98 	/* Make sure this is a valid NE[12]000 i/o address. */
     99 	if ((na->na_addr & 0x1f) != 0)
    100 		return (0);
    101 
    102 	/* Map i/o space. */
    103 	if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich))
    104 		return (0);
    105 
    106 	asict = nict;
    107 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
    108 	    NE2000_ASIC_NPORTS*2, &asich))
    109 		goto out;
    110 
    111 	/* Look for an NE2000-compatible card. */
    112 	rv = ne2000_detect(nict, nich, asict, asich);
    113 
    114  out:
    115 	bus_space_unmap(nict, nich, NE2000_NPORTS);
    116 	return (rv != 0) ? 1 : 0;
    117 }
    118 
    119 void
    120 ne_neptune_attach(device_t parent, device_t self, void *aux)
    121 {
    122 	struct ne_neptune_softc *nsc = device_private(self);
    123 	struct dp8390_softc *dsc = &nsc->sc_dp8390;
    124 	struct neptune_attach_args *na = aux;
    125 	bus_space_tag_t nict = na->na_bst;
    126 	bus_space_handle_t nich;
    127 	bus_space_tag_t asict = nict;
    128 	bus_space_handle_t asich;
    129 	const char *typestr;
    130 	int netype;
    131 
    132 	dsc->sc_dev = self;
    133 	aprint_normal("\n");
    134 
    135 	/* Map i/o space. */
    136 	if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich)) {
    137 		aprint_error_dev(self, "can't map i/o space\n");
    138 		return;
    139 	}
    140 
    141 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
    142 	    NE2000_ASIC_NPORTS*2, &asich)) {
    143 		aprint_error_dev(self, "can't subregion 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 	/*
    154 	 * Detect it again, so we can print some information about the
    155 	 * interface.
    156 	 */
    157 	netype = ne2000_detect(nict, nich, asict, asich);
    158 	switch (netype) {
    159 	case NE2000_TYPE_NE1000:
    160 		typestr = "NE1000";
    161 		break;
    162 
    163 	case NE2000_TYPE_NE2000:
    164 		typestr = "NE2000";
    165 		break;
    166 
    167 	case NE2000_TYPE_RTL8019:
    168 		typestr = "NE2000 (RTL8019)";
    169 		break;
    170 
    171 	default:
    172 		aprint_error_dev(self, "where did the card go?!\n");
    173 		return;
    174 	}
    175 
    176 	aprint_normal_dev(self, "%s Ethernet\n", typestr);
    177 
    178 	/* This interface is always enabled. */
    179 	dsc->sc_enabled = 1;
    180 
    181 	/*
    182 	 * Do generic NE2000 attach.  This will read the station address
    183 	 * from the EEPROM.
    184 	 */
    185 	ne2000_attach(nsc, NULL);
    186 
    187 	/* Establish the interrupt handler. */
    188 	if (neptune_intr_establish(na->na_intr, "ne", dp8390_intr, dsc))
    189 		aprint_error_dev(self,
    190 		    "couldn't establish interrupt handler\n");
    191 }
    192