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if_ne_neptune.c revision 1.11
      1 /*	$NetBSD: if_ne_neptune.c,v 1.11 2005/12/11 12:19:37 christos 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 <sys/cdefs.h>
     41 __KERNEL_RCSID(0, "$NetBSD: if_ne_neptune.c,v 1.11 2005/12/11 12:19:37 christos Exp $");
     42 
     43 #include "opt_inet.h"
     44 #include "opt_ns.h"
     45 #include "bpfilter.h"
     46 
     47 #include <sys/param.h>
     48 #include <sys/systm.h>
     49 #include <sys/mbuf.h>
     50 #include <sys/socket.h>
     51 #include <sys/ioctl.h>
     52 #include <sys/errno.h>
     53 #include <sys/syslog.h>
     54 #include <sys/select.h>
     55 #include <sys/device.h>
     56 
     57 #include <net/if.h>
     58 #include <net/if_dl.h>
     59 #include <net/if_ether.h>
     60 #include <net/if_media.h>
     61 
     62 #ifdef INET
     63 #include <netinet/in.h>
     64 #include <netinet/in_systm.h>
     65 #include <netinet/in_var.h>
     66 #include <netinet/ip.h>
     67 #include <netinet/if_inarp.h>
     68 #endif
     69 
     70 #ifdef NS
     71 #include <netns/ns.h>
     72 #include <netns/ns_if.h>
     73 #endif
     74 
     75 #if NBPFILTER > 0
     76 #include <net/bpf.h>
     77 #include <net/bpfdesc.h>
     78 #endif
     79 
     80 #include <machine/bus.h>
     81 
     82 #include <dev/ic/dp8390reg.h>
     83 #include <dev/ic/dp8390var.h>
     84 
     85 #include <dev/ic/ne2000reg.h>
     86 #include <dev/ic/ne2000var.h>
     87 
     88 #include <dev/ic/rtl80x9reg.h>
     89 #include <dev/ic/rtl80x9var.h>
     90 
     91 #include <arch/x68k/dev/neptunevar.h>
     92 
     93 static int ne_neptune_match(struct device *, struct cfdata *, void *);
     94 static void ne_neptune_attach(struct device *, struct device *, void *);
     95 static int ne_neptune_intr(void *);
     96 
     97 #define ne_neptune_softc ne2000_softc
     98 
     99 CFATTACH_DECL(ne_neptune, sizeof(struct ne_neptune_softc),
    100     ne_neptune_match, ne_neptune_attach, NULL, NULL);
    101 
    102 int
    103 ne_neptune_match(struct device *parent, struct cfdata *match, void *aux)
    104 {
    105 	struct neptune_attach_args *na = aux;
    106 	bus_space_tag_t nict = na->na_bst;
    107 	bus_space_handle_t nich;
    108 	bus_space_tag_t asict;
    109 	bus_space_handle_t asich;
    110 	int rv = 0;
    111 
    112 	if (na->na_addr == NEPTUNECF_ADDR_DEFAULT)
    113 		na->na_addr = 0x300;
    114 
    115 	/* Make sure this is a valid NE[12]000 i/o address. */
    116 	if ((na->na_addr & 0x1f) != 0)
    117 		return (0);
    118 
    119 	/* Map i/o space. */
    120 	if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich))
    121 		return (0);
    122 
    123 	asict = nict;
    124 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
    125 	    NE2000_ASIC_NPORTS*2, &asich))
    126 		goto out;
    127 
    128 	/* Look for an NE2000-compatible card. */
    129 	rv = ne2000_detect(nict, nich, asict, asich);
    130 
    131  out:
    132 	bus_space_unmap(nict, nich, NE2000_NPORTS);
    133 	return (rv);
    134 }
    135 
    136 void
    137 ne_neptune_attach(struct device *parent, struct device *self, void *aux)
    138 {
    139 	struct ne_neptune_softc *nsc = (struct ne_neptune_softc *)self;
    140 	struct dp8390_softc *dsc = &nsc->sc_dp8390;
    141 	struct neptune_attach_args *na = aux;
    142 	bus_space_tag_t nict = na->na_bst;
    143 	bus_space_handle_t nich;
    144 	bus_space_tag_t asict = nict;
    145 	bus_space_handle_t asich;
    146 	const char *typestr;
    147 	int netype;
    148 
    149 	printf("\n");
    150 
    151 	/* Map i/o space. */
    152 	if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich)) {
    153 		printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname);
    154 		return;
    155 	}
    156 
    157 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
    158 	    NE2000_ASIC_NPORTS*2, &asich)) {
    159 		printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname);
    160 		return;
    161 	}
    162 
    163 	dsc->sc_regt = nict;
    164 	dsc->sc_regh = nich;
    165 
    166 	nsc->sc_asict = asict;
    167 	nsc->sc_asich = asich;
    168 
    169 	/*
    170 	 * Detect it again, so we can print some information about the
    171 	 * interface.
    172 	 */
    173 	netype = ne2000_detect(nict, nich, asict, asich);
    174 	switch (netype) {
    175 	case NE2000_TYPE_NE1000:
    176 		typestr = "NE1000";
    177 		break;
    178 
    179 	case NE2000_TYPE_NE2000:
    180 		typestr = "NE2000";
    181 		/*
    182 		 * Check for a Realtek 8019.
    183 		 */
    184 		bus_space_write_1(nict, nich, ED_P0_CR,
    185 		    ED_CR_PAGE_0 | ED_CR_STP);
    186 		if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) ==
    187 								RTL0_8019ID0 &&
    188 		    bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) ==
    189 								RTL0_8019ID1) {
    190 			typestr = "NE2000 (RTL8019)";
    191 			dsc->sc_mediachange = rtl80x9_mediachange;
    192 			dsc->sc_mediastatus = rtl80x9_mediastatus;
    193 			dsc->init_card = rtl80x9_init_card;
    194 			dsc->sc_media_init = rtl80x9_media_init;
    195 		}
    196 		break;
    197 
    198 	default:
    199 		printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname);
    200 		return;
    201 	}
    202 
    203 	printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, typestr);
    204 
    205 	/* This interface is always enabled. */
    206 	dsc->sc_enabled = 1;
    207 
    208 	/*
    209 	 * Do generic NE2000 attach.  This will read the station address
    210 	 * from the EEPROM.
    211 	 */
    212 	ne2000_attach(nsc, NULL);
    213 
    214 	/* Establish the interrupt handler. */
    215 	if (neptune_intr_establish(na->na_intr, "ne", ne_neptune_intr, dsc))
    216 		printf("%s: couldn't establish interrupt handler\n",
    217 		    dsc->sc_dev.dv_xname);
    218 }
    219 
    220 static int
    221 ne_neptune_intr(void *arg)
    222 {
    223 	spl4();			/* XXX */
    224 	return dp8390_intr(arg);
    225 }
    226