if_ne_isa.c revision 1.8
1 /* $NetBSD: if_ne_isa.c,v 1.8 1998/10/31 01:44:16 thorpej 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/intr.h> 78 #include <machine/bus.h> 79 80 #include <dev/ic/dp8390reg.h> 81 #include <dev/ic/dp8390var.h> 82 83 #include <dev/ic/ne2000reg.h> 84 #include <dev/ic/ne2000var.h> 85 86 #include <dev/ic/rtl80x9reg.h> 87 #include <dev/ic/rtl80x9var.h> 88 89 #include <dev/isa/isavar.h> 90 91 int ne_isa_match __P((struct device *, struct cfdata *, void *)); 92 void ne_isa_attach __P((struct device *, struct device *, void *)); 93 94 struct ne_isa_softc { 95 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 96 97 /* ISA-specific goo. */ 98 void *sc_ih; /* interrupt cookie */ 99 }; 100 101 struct cfattach ne_isa_ca = { 102 sizeof(struct ne_isa_softc), ne_isa_match, ne_isa_attach 103 }; 104 105 int 106 ne_isa_match(parent, match, aux) 107 struct device *parent; 108 struct cfdata *match; 109 void *aux; 110 { 111 struct isa_attach_args *ia = aux; 112 bus_space_tag_t nict = ia->ia_iot; 113 bus_space_handle_t nich; 114 bus_space_tag_t asict; 115 bus_space_handle_t asich; 116 int rv = 0; 117 118 /* Disallow wildcarded values. */ 119 if (ia->ia_irq == ISACF_IRQ_DEFAULT) 120 return (0); 121 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 122 return (0); 123 124 /* Make sure this is a valid NE[12]000 i/o address. */ 125 if ((ia->ia_iobase & 0x1f) != 0) 126 return (0); 127 128 /* Map i/o space. */ 129 if (bus_space_map(nict, ia->ia_iobase, NE2000_NPORTS, 0, &nich)) 130 return (0); 131 132 asict = nict; 133 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 134 NE2000_ASIC_NPORTS, &asich)) 135 goto out; 136 137 /* Look for an NE2000-compatible card. */ 138 rv = ne2000_detect(nict, nich, asict, asich); 139 140 if (rv) 141 ia->ia_iosize = NE2000_NPORTS; 142 143 out: 144 bus_space_unmap(nict, nich, NE2000_NPORTS); 145 return (rv); 146 } 147 148 void 149 ne_isa_attach(parent, self, aux) 150 struct device *parent, *self; 151 void *aux; 152 { 153 struct ne_isa_softc *isc = (struct ne_isa_softc *)self; 154 struct ne2000_softc *nsc = &isc->sc_ne2000; 155 struct dp8390_softc *dsc = &nsc->sc_dp8390; 156 struct isa_attach_args *ia = aux; 157 bus_space_tag_t nict = ia->ia_iot; 158 bus_space_handle_t nich; 159 bus_space_tag_t asict = nict; 160 bus_space_handle_t asich; 161 void (*npp_init_media) __P((struct dp8390_softc *, int **, 162 int *, int *)); 163 int *media, nmedia, defmedia; 164 const char *typestr; 165 int netype; 166 167 printf("\n"); 168 169 npp_init_media = NULL; 170 media = NULL; 171 nmedia = defmedia = 0; 172 173 /* Map i/o space. */ 174 if (bus_space_map(nict, ia->ia_iobase, NE2000_NPORTS, 0, &nich)) { 175 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname); 176 return; 177 } 178 179 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 180 NE2000_ASIC_NPORTS, &asich)) { 181 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname); 182 return; 183 } 184 185 dsc->sc_regt = nict; 186 dsc->sc_regh = nich; 187 188 nsc->sc_asict = asict; 189 nsc->sc_asich = asich; 190 191 /* 192 * Detect it again, so we can print some information about the 193 * interface. 194 */ 195 netype = ne2000_detect(nict, nich, asict, asich); 196 switch (netype) { 197 case NE2000_TYPE_NE1000: 198 typestr = "NE1000"; 199 break; 200 201 case NE2000_TYPE_NE2000: 202 typestr = "NE2000"; 203 /* 204 * Check for a RealTek 8019. 205 */ 206 bus_space_write_1(nict, nich, ED_P0_CR, 207 ED_CR_PAGE_0 | ED_CR_STP); 208 if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) == 209 RTL0_8019ID0 && 210 bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) == 211 RTL0_8019ID1) { 212 typestr = "NE2000 (RTL8019)" 213 npp_init_media = rtl80x9_init_media; 214 dsc->sc_mediachange = rtl80x9_mediachange; 215 dsc->sc_mediastatus = rtl80x9_mediastatus; 216 dsc->init_card = rtl80x9_init_card; 217 } 218 break; 219 220 default: 221 printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname); 222 return; 223 } 224 225 printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, typestr); 226 227 /* Initialize media, if we have it. */ 228 if (npp_init_media != NULL) 229 (*npp_init_media)(dsc, &media, &nmedia, &defmedia); 230 231 /* This interface is always enabled. */ 232 dsc->sc_enabled = 1; 233 234 /* 235 * Do generic NE2000 attach. This will read the station address 236 * from the EEPROM. 237 */ 238 ne2000_attach(nsc, NULL, media, nmedia, defmedia); 239 240 /* Establish the interrupt handler. */ 241 isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 242 IPL_NET, dp8390_intr, dsc); 243 if (isc->sc_ih == NULL) 244 printf("%s: couldn't establish interrupt handler\n", 245 dsc->sc_dev.dv_xname); 246 } 247
Indexes created Thu Oct 02 10:09:58 GMT 2025