1 /* $NetBSD: if_ne_neptune.c,v 1.17 2009/01/18 04:48:53 isaki 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 1.17 2009/01/18 04:48:53 isaki 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