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if_ne_neptune.c revision 1.2
      1 /*	$NetBSD: if_ne_neptune.c,v 1.2 1999/03/16 16:30:18 minoura 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  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *	This product includes software developed by the NetBSD
     22  *	Foundation, Inc. and its contributors.
     23  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24  *    contributors may be used to endorse or promote products derived
     25  *    from this software without specific prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37  * POSSIBILITY OF SUCH DAMAGE.
     38  */
     39 
     40 #include "opt_inet.h"
     41 #include "opt_ns.h"
     42 #include "bpfilter.h"
     43 
     44 #include <sys/param.h>
     45 #include <sys/systm.h>
     46 #include <sys/mbuf.h>
     47 #include <sys/socket.h>
     48 #include <sys/ioctl.h>
     49 #include <sys/errno.h>
     50 #include <sys/syslog.h>
     51 #include <sys/select.h>
     52 #include <sys/device.h>
     53 
     54 #include <net/if.h>
     55 #include <net/if_dl.h>
     56 #include <net/if_ether.h>
     57 #include <net/if_media.h>
     58 
     59 #ifdef INET
     60 #include <netinet/in.h>
     61 #include <netinet/in_systm.h>
     62 #include <netinet/in_var.h>
     63 #include <netinet/ip.h>
     64 #include <netinet/if_inarp.h>
     65 #endif
     66 
     67 #ifdef NS
     68 #include <netns/ns.h>
     69 #include <netns/ns_if.h>
     70 #endif
     71 
     72 #if NBPFILTER > 0
     73 #include <net/bpf.h>
     74 #include <net/bpfdesc.h>
     75 #endif
     76 
     77 #include <machine/bus.h>
     78 
     79 #include <dev/ic/dp8390reg.h>
     80 #include <dev/ic/dp8390var.h>
     81 
     82 #include <dev/ic/ne2000reg.h>
     83 #include <dev/ic/ne2000var.h>
     84 
     85 #include <dev/ic/rtl80x9reg.h>
     86 #include <dev/ic/rtl80x9var.h>
     87 
     88 #include <arch/x68k/dev/neptunevar.h>
     89 
     90 static int ne_neptune_match __P((struct device *, struct cfdata *, void *));
     91 static void ne_neptune_attach __P((struct device *, struct device *, void *));
     92 static int ne_neptune_intr __P((void *));
     93 
     94 #define ne_neptune_softc ne2000_softc
     95 
     96 struct cfattach ne_neptune_ca = {
     97 	sizeof(struct ne_neptune_softc), ne_neptune_match, ne_neptune_attach
     98 };
     99 
    100 int
    101 ne_neptune_match(parent, match, aux)
    102 	struct device *parent;
    103 	struct cfdata *match;
    104 	void *aux;
    105 {
    106 	struct neptune_attach_args *na = aux;
    107 	bus_space_tag_t nict = na->na_bst;
    108 	bus_space_handle_t nich;
    109 	bus_space_tag_t asict;
    110 	bus_space_handle_t asich;
    111 	int rv = 0;
    112 
    113 	if (na->na_addr == NEPTUNECF_ADDR_DEFAULT)
    114 		na->na_addr = 0x300;
    115 
    116 	/* Make sure this is a valid NE[12]000 i/o address. */
    117 	if ((na->na_addr & 0x1f) != 0)
    118 		return (0);
    119 
    120 	/* Map i/o space. */
    121 	if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich))
    122 		return (0);
    123 
    124 	asict = nict;
    125 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
    126 	    NE2000_ASIC_NPORTS*2, &asich))
    127 		goto out;
    128 
    129 	/* Look for an NE2000-compatible card. */
    130 	rv = ne2000_detect(nict, nich, asict, asich);
    131 
    132  out:
    133 	bus_space_unmap(nict, nich, NE2000_NPORTS);
    134 	return (rv);
    135 }
    136 
    137 void
    138 ne_neptune_attach(parent, self, aux)
    139 	struct device *parent, *self;
    140 	void *aux;
    141 {
    142 	struct ne_neptune_softc *nsc = (struct ne_neptune_softc *)self;
    143 	struct dp8390_softc *dsc = &nsc->sc_dp8390;
    144 	struct neptune_attach_args *na = aux;
    145 	bus_space_tag_t nict = na->na_bst;
    146 	bus_space_handle_t nich;
    147 	bus_space_tag_t asict = nict;
    148 	bus_space_handle_t asich;
    149 	void (*npp_init_media) __P((struct dp8390_softc *, int **,
    150 	    int *, int *));
    151 	int *media, nmedia, defmedia;
    152 	const char *typestr;
    153 	int netype;
    154 
    155 	printf("\n");
    156 
    157 	npp_init_media = NULL;
    158 	media = NULL;
    159 	nmedia = defmedia = 0;
    160 
    161 	/* Map i/o space. */
    162 	if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich)) {
    163 		printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname);
    164 		return;
    165 	}
    166 
    167 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
    168 	    NE2000_ASIC_NPORTS*2, &asich)) {
    169 		printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname);
    170 		return;
    171 	}
    172 
    173 	dsc->sc_regt = nict;
    174 	dsc->sc_regh = nich;
    175 
    176 	nsc->sc_asict = asict;
    177 	nsc->sc_asich = asich;
    178 
    179 	/*
    180 	 * Detect it again, so we can print some information about the
    181 	 * interface.
    182 	 */
    183 	netype = ne2000_detect(nict, nich, asict, asich);
    184 	switch (netype) {
    185 	case NE2000_TYPE_NE1000:
    186 		typestr = "NE1000";
    187 		break;
    188 
    189 	case NE2000_TYPE_NE2000:
    190 		typestr = "NE2000";
    191 		/*
    192 		 * Check for a RealTek 8019.
    193 		 */
    194 		bus_space_write_1(nict, nich, ED_P0_CR,
    195 		    ED_CR_PAGE_0 | ED_CR_STP);
    196 		if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) ==
    197 								RTL0_8019ID0 &&
    198 		    bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) ==
    199 								RTL0_8019ID1) {
    200 			typestr = "NE2000 (RTL8019)";
    201 			npp_init_media = rtl80x9_init_media;
    202 			dsc->sc_mediachange = rtl80x9_mediachange;
    203 			dsc->sc_mediastatus = rtl80x9_mediastatus;
    204 			dsc->init_card = rtl80x9_init_card;
    205 		}
    206 		break;
    207 
    208 	default:
    209 		printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname);
    210 		return;
    211 	}
    212 
    213 	printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, typestr);
    214 
    215 	/* Initialize media, if we have it. */
    216 	if (npp_init_media != NULL)
    217 		(*npp_init_media)(dsc, &media, &nmedia, &defmedia);
    218 
    219 	/* This interface is always enabled. */
    220 	dsc->sc_enabled = 1;
    221 
    222 	/*
    223 	 * Do generic NE2000 attach.  This will read the station address
    224 	 * from the EEPROM.
    225 	 */
    226 	ne2000_attach(nsc, NULL, media, nmedia, defmedia);
    227 
    228 	/* Establish the interrupt handler. */
    229 	if (neptune_intr_establish(na->na_intr, "ne", ne_neptune_intr, dsc))
    230 		printf("%s: couldn't establish interrupt handler\n",
    231 		    dsc->sc_dev.dv_xname);
    232 }
    233 
    234 static int
    235 ne_neptune_intr(arg)
    236 	void *arg;
    237 {
    238 	spl4();			/* XXX */
    239 	return dp8390_intr(arg);
    240 }
    241