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if_ne_neptune.c revision 1.16.6.1
      1 /*	$NetBSD: if_ne_neptune.c,v 1.16.6.1 2009/01/19 13:17:03 skrll 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 1.16.6.1 2009/01/19 13:17:03 skrll Exp $");
     35 
     36 #include "opt_inet.h"
     37 #include "opt_ns.h"
     38 #include "bpfilter.h"
     39 
     40 #include <sys/param.h>
     41 #include <sys/systm.h>
     42 #include <sys/mbuf.h>
     43 #include <sys/socket.h>
     44 #include <sys/ioctl.h>
     45 #include <sys/errno.h>
     46 #include <sys/syslog.h>
     47 #include <sys/select.h>
     48 #include <sys/device.h>
     49 
     50 #include <net/if.h>
     51 #include <net/if_dl.h>
     52 #include <net/if_ether.h>
     53 #include <net/if_media.h>
     54 
     55 #ifdef INET
     56 #include <netinet/in.h>
     57 #include <netinet/in_systm.h>
     58 #include <netinet/in_var.h>
     59 #include <netinet/ip.h>
     60 #include <netinet/if_inarp.h>
     61 #endif
     62 
     63 #ifdef NS
     64 #include <netns/ns.h>
     65 #include <netns/ns_if.h>
     66 #endif
     67 
     68 #if NBPFILTER > 0
     69 #include <net/bpf.h>
     70 #include <net/bpfdesc.h>
     71 #endif
     72 
     73 #include <machine/bus.h>
     74 
     75 #include <dev/ic/dp8390reg.h>
     76 #include <dev/ic/dp8390var.h>
     77 
     78 #include <dev/ic/ne2000reg.h>
     79 #include <dev/ic/ne2000var.h>
     80 
     81 #include <dev/ic/rtl80x9reg.h>
     82 #include <dev/ic/rtl80x9var.h>
     83 
     84 #include <arch/x68k/dev/neptunevar.h>
     85 
     86 static int ne_neptune_match(device_t, cfdata_t, void *);
     87 static void ne_neptune_attach(device_t, device_t, void *);
     88 
     89 #define ne_neptune_softc ne2000_softc
     90 
     91 CFATTACH_DECL_NEW(ne_neptune, sizeof(struct ne_neptune_softc),
     92     ne_neptune_match, ne_neptune_attach, NULL, NULL);
     93 
     94 int
     95 ne_neptune_match(device_t parent, cfdata_t match, void *aux)
     96 {
     97 	struct neptune_attach_args *na = aux;
     98 	bus_space_tag_t nict = na->na_bst;
     99 	bus_space_handle_t nich;
    100 	bus_space_tag_t asict;
    101 	bus_space_handle_t asich;
    102 	int rv = 0;
    103 
    104 	if (na->na_addr == NEPTUNECF_ADDR_DEFAULT)
    105 		na->na_addr = 0x300;
    106 
    107 	/* Make sure this is a valid NE[12]000 i/o address. */
    108 	if ((na->na_addr & 0x1f) != 0)
    109 		return (0);
    110 
    111 	/* Map i/o space. */
    112 	if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich))
    113 		return (0);
    114 
    115 	asict = nict;
    116 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
    117 	    NE2000_ASIC_NPORTS*2, &asich))
    118 		goto out;
    119 
    120 	/* Look for an NE2000-compatible card. */
    121 	rv = ne2000_detect(nict, nich, asict, asich);
    122 
    123  out:
    124 	bus_space_unmap(nict, nich, NE2000_NPORTS);
    125 	return (rv);
    126 }
    127 
    128 void
    129 ne_neptune_attach(device_t parent, device_t self, void *aux)
    130 {
    131 	struct ne_neptune_softc *nsc = device_private(self);
    132 	struct dp8390_softc *dsc = &nsc->sc_dp8390;
    133 	struct neptune_attach_args *na = aux;
    134 	bus_space_tag_t nict = na->na_bst;
    135 	bus_space_handle_t nich;
    136 	bus_space_tag_t asict = nict;
    137 	bus_space_handle_t asich;
    138 	const char *typestr;
    139 	int netype;
    140 
    141 	dsc->sc_dev = self;
    142 	aprint_normal("\n");
    143 
    144 	/* Map i/o space. */
    145 	if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich)) {
    146 		aprint_error_dev(self, "can't map i/o space\n");
    147 		return;
    148 	}
    149 
    150 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
    151 	    NE2000_ASIC_NPORTS*2, &asich)) {
    152 		aprint_error_dev(self, "can't subregion i/o space\n");
    153 		return;
    154 	}
    155 
    156 	dsc->sc_regt = nict;
    157 	dsc->sc_regh = nich;
    158 
    159 	nsc->sc_asict = asict;
    160 	nsc->sc_asich = asich;
    161 
    162 	/*
    163 	 * Detect it again, so we can print some information about the
    164 	 * interface.
    165 	 */
    166 	netype = ne2000_detect(nict, nich, asict, asich);
    167 	switch (netype) {
    168 	case NE2000_TYPE_NE1000:
    169 		typestr = "NE1000";
    170 		break;
    171 
    172 	case NE2000_TYPE_NE2000:
    173 		typestr = "NE2000";
    174 		/*
    175 		 * Check for a Realtek 8019.
    176 		 */
    177 		bus_space_write_1(nict, nich, ED_P0_CR,
    178 		    ED_CR_PAGE_0 | ED_CR_STP);
    179 		if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) ==
    180 								RTL0_8019ID0 &&
    181 		    bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) ==
    182 								RTL0_8019ID1) {
    183 			typestr = "NE2000 (RTL8019)";
    184 			dsc->sc_mediachange = rtl80x9_mediachange;
    185 			dsc->sc_mediastatus = rtl80x9_mediastatus;
    186 			dsc->init_card = rtl80x9_init_card;
    187 			dsc->sc_media_init = rtl80x9_media_init;
    188 		}
    189 		break;
    190 
    191 	default:
    192 		aprint_error_dev(self, "where did the card go?!\n");
    193 		return;
    194 	}
    195 
    196 	aprint_normal_dev(self, "%s Ethernet\n", typestr);
    197 
    198 	/* This interface is always enabled. */
    199 	dsc->sc_enabled = 1;
    200 
    201 	/*
    202 	 * Do generic NE2000 attach.  This will read the station address
    203 	 * from the EEPROM.
    204 	 */
    205 	ne2000_attach(nsc, NULL);
    206 
    207 	/* Establish the interrupt handler. */
    208 	if (neptune_intr_establish(na->na_intr, "ne", dp8390_intr, dsc))
    209 		aprint_error_dev(self,
    210 		    "couldn't establish interrupt handler\n");
    211 }
    212