if_ne_isa.c revision 1.12
1 /* $NetBSD: if_ne_isa.c,v 1.12 2001/11/13 08:01:20 lukem 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_isa.c,v 1.12 2001/11/13 08:01:20 lukem Exp $"); 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/mbuf.h> 46 #include <sys/socket.h> 47 #include <sys/ioctl.h> 48 #include <sys/errno.h> 49 #include <sys/syslog.h> 50 #include <sys/select.h> 51 #include <sys/device.h> 52 53 #include <net/if.h> 54 #include <net/if_dl.h> 55 #include <net/if_ether.h> 56 #include <net/if_media.h> 57 58 #include <machine/intr.h> 59 #include <machine/bus.h> 60 61 #include <dev/ic/dp8390reg.h> 62 #include <dev/ic/dp8390var.h> 63 64 #include <dev/ic/ne2000reg.h> 65 #include <dev/ic/ne2000var.h> 66 67 #include <dev/ic/rtl80x9reg.h> 68 #include <dev/ic/rtl80x9var.h> 69 70 #include <dev/isa/isavar.h> 71 72 int ne_isa_match __P((struct device *, struct cfdata *, void *)); 73 void ne_isa_attach __P((struct device *, struct device *, void *)); 74 75 struct ne_isa_softc { 76 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 77 78 /* ISA-specific goo. */ 79 void *sc_ih; /* interrupt cookie */ 80 }; 81 82 struct cfattach ne_isa_ca = { 83 sizeof(struct ne_isa_softc), ne_isa_match, ne_isa_attach 84 }; 85 86 int 87 ne_isa_match(parent, match, aux) 88 struct device *parent; 89 struct cfdata *match; 90 void *aux; 91 { 92 struct isa_attach_args *ia = aux; 93 bus_space_tag_t nict = ia->ia_iot; 94 bus_space_handle_t nich; 95 bus_space_tag_t asict; 96 bus_space_handle_t asich; 97 int rv = 0; 98 99 /* Disallow wildcarded values. */ 100 if (ia->ia_irq == ISACF_IRQ_DEFAULT) 101 return (0); 102 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 103 return (0); 104 105 /* Make sure this is a valid NE[12]000 i/o address. */ 106 if ((ia->ia_iobase & 0x1f) != 0) 107 return (0); 108 109 /* Map i/o space. */ 110 if (bus_space_map(nict, ia->ia_iobase, NE2000_NPORTS, 0, &nich)) 111 return (0); 112 113 asict = nict; 114 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 115 NE2000_ASIC_NPORTS, &asich)) 116 goto out; 117 118 /* Look for an NE2000-compatible card. */ 119 rv = ne2000_detect(nict, nich, asict, asich); 120 121 if (rv) 122 ia->ia_iosize = NE2000_NPORTS; 123 124 out: 125 bus_space_unmap(nict, nich, NE2000_NPORTS); 126 return (rv); 127 } 128 129 void 130 ne_isa_attach(parent, self, aux) 131 struct device *parent, *self; 132 void *aux; 133 { 134 struct ne_isa_softc *isc = (struct ne_isa_softc *)self; 135 struct ne2000_softc *nsc = &isc->sc_ne2000; 136 struct dp8390_softc *dsc = &nsc->sc_dp8390; 137 struct isa_attach_args *ia = aux; 138 bus_space_tag_t nict = ia->ia_iot; 139 bus_space_handle_t nich; 140 bus_space_tag_t asict = nict; 141 bus_space_handle_t asich; 142 const char *typestr; 143 int netype; 144 145 printf("\n"); 146 147 /* Map i/o space. */ 148 if (bus_space_map(nict, ia->ia_iobase, NE2000_NPORTS, 0, &nich)) { 149 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname); 150 return; 151 } 152 153 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 154 NE2000_ASIC_NPORTS, &asich)) { 155 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname); 156 return; 157 } 158 159 dsc->sc_regt = nict; 160 dsc->sc_regh = nich; 161 162 nsc->sc_asict = asict; 163 nsc->sc_asich = asich; 164 165 /* 166 * Detect it again, so we can print some information about the 167 * interface. 168 */ 169 netype = ne2000_detect(nict, nich, asict, asich); 170 switch (netype) { 171 case NE2000_TYPE_NE1000: 172 typestr = "NE1000"; 173 break; 174 175 case NE2000_TYPE_NE2000: 176 typestr = "NE2000"; 177 /* 178 * Check for a RealTek 8019. 179 */ 180 bus_space_write_1(nict, nich, ED_P0_CR, 181 ED_CR_PAGE_0 | ED_CR_STP); 182 if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) == 183 RTL0_8019ID0 && 184 bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) == 185 RTL0_8019ID1) { 186 typestr = "NE2000 (RTL8019)"; 187 dsc->sc_mediachange = rtl80x9_mediachange; 188 dsc->sc_mediastatus = rtl80x9_mediastatus; 189 dsc->init_card = rtl80x9_init_card; 190 dsc->sc_media_init = rtl80x9_media_init; 191 } 192 break; 193 194 default: 195 printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname); 196 return; 197 } 198 199 printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, typestr); 200 201 /* This interface is always enabled. */ 202 dsc->sc_enabled = 1; 203 204 /* 205 * Do generic NE2000 attach. This will read the station address 206 * from the EEPROM. 207 */ 208 ne2000_attach(nsc, NULL); 209 210 /* Establish the interrupt handler. */ 211 isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 212 IPL_NET, dp8390_intr, dsc); 213 if (isc->sc_ih == NULL) 214 printf("%s: couldn't establish interrupt handler\n", 215 dsc->sc_dev.dv_xname); 216 } 217
Indexes created Thu Oct 02 10:09:58 GMT 2025