if_ne_intio.c revision 1.7
1/* $NetBSD: if_ne_intio.c,v 1.7 2003/09/07 04:24:06 isaki Exp $ */ 2 3/* 4 * Copyright (c) 2001 Tetsuya Isaki. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 22 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30/* 31 * Ethernet part of Nereid Ethernet/USB/Memory board 32 */ 33 34#include <sys/cdefs.h> 35__KERNEL_RCSID(0, "$NetBSD: if_ne_intio.c,v 1.7 2003/09/07 04:24:06 isaki Exp $"); 36 37#include "opt_inet.h" 38#include "opt_ns.h" 39#include "bpfilter.h" 40 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/mbuf.h> 44#include <sys/socket.h> 45#include <sys/select.h> 46#include <sys/device.h> 47 48#include <net/if.h> 49#include <net/if_dl.h> 50#include <net/if_ether.h> 51#include <net/if_media.h> 52 53#ifdef INET 54#include <netinet/in.h> 55#include <netinet/in_systm.h> 56#include <netinet/in_var.h> 57#include <netinet/ip.h> 58#include <netinet/if_inarp.h> 59#endif 60 61#ifdef NS 62#include <netns/ns.h> 63#include <netns/ns_if.h> 64#endif 65 66#if BPFILTER > 0 67#include <net/bpf.h> 68#include <net/bpfdesc.h> 69#endif 70 71#include <machine/bus.h> 72#include <machine/cpu.h> 73 74#include <dev/ic/dp8390reg.h> 75#include <dev/ic/dp8390var.h> 76#include <dev/ic/ne2000reg.h> 77#include <dev/ic/ne2000var.h> 78#include <dev/ic/rtl80x9reg.h> 79#include <dev/ic/rtl80x9var.h> 80 81#include <arch/x68k/dev/intiovar.h> 82 83#define NE_INTIO_ADDR (0xece300) 84#define NE_INTIO_ADDR2 (0xeceb00) 85#define NE_INTIO_INTR (0xf9) 86#define NE_INTIO_INTR2 (0xf8) 87 88static int ne_intio_match(struct device *, struct cfdata *, void *); 89static void ne_intio_attach(struct device *, struct device *, void *); 90static int ne_intio_intr(void *); 91 92#define ne_intio_softc ne2000_softc 93 94CFATTACH_DECL(ne_intio, sizeof(struct ne_intio_softc), 95 ne_intio_match, ne_intio_attach, NULL, NULL); 96 97static int 98ne_intio_match(struct device *parent, struct cfdata *cf, void *aux) 99{ 100 struct intio_attach_args *ia = aux; 101 bus_space_tag_t iot = ia->ia_bst; 102 bus_space_handle_t ioh; 103 bus_space_tag_t asict; 104 bus_space_handle_t asich; 105 int rv = 0; 106 107 if (ia->ia_addr == INTIOCF_ADDR_DEFAULT) 108 ia->ia_addr = NE_INTIO_ADDR; 109 if (ia->ia_intr == INTIOCF_INTR_DEFAULT) 110 ia->ia_intr = NE_INTIO_INTR; 111 112 /* fixed parameters */ 113 if (!(ia->ia_addr == NE_INTIO_ADDR && ia->ia_intr == NE_INTIO_INTR ) && 114 !(ia->ia_addr == NE_INTIO_ADDR2 && ia->ia_intr == NE_INTIO_INTR2) ) 115 return 0; 116 117 /* Make sure this is a valid NE2000 I/O address */ 118 if ((ia->ia_addr & 0x1f) != 0) 119 return 0; 120 121 /* Check whether the board is inserted or not */ 122 if (badaddr((caddr_t)INTIO_ADDR(ia->ia_addr))) 123 return 0; 124 125 /* Map I/O space */ 126 if (bus_space_map(iot, ia->ia_addr, NE2000_NPORTS*2, 127 BUS_SPACE_MAP_SHIFTED_EVEN, &ioh)) 128 return 0; 129 130 asict = iot; 131 if (bus_space_subregion(iot, ioh, NE2000_ASIC_OFFSET*2, 132 NE2000_ASIC_NPORTS*2, &asich)) 133 goto out; 134 135 /* Look for an NE2000 compatible card */ 136 rv = ne2000_detect(iot, ioh, asict, asich); 137 138 out: 139 bus_space_unmap(iot, ioh, NE2000_NPORTS); 140 return rv; 141} 142 143static void 144ne_intio_attach(struct device *parent, struct device *self, void *aux) 145{ 146 struct ne_intio_softc *sc = (struct ne_intio_softc *)self; 147 struct dp8390_softc *dsc = &sc->sc_dp8390; 148 struct intio_attach_args *ia = aux; 149 bus_space_tag_t iot = ia->ia_bst; 150 bus_space_handle_t ioh; 151 bus_space_tag_t asict; 152 bus_space_handle_t asich; 153 const char *typestr; 154 int netype; 155 156 printf(": Nereid Ethernet\n"); 157 158 /* Map I/O space */ 159 if (bus_space_map(iot, ia->ia_addr, NE2000_NPORTS*2, 160 BUS_SPACE_MAP_SHIFTED_EVEN, &ioh)){ 161 printf("%s: can't map I/O space\n", dsc->sc_dev.dv_xname); 162 return; 163 } 164 165 asict = iot; 166 if (bus_space_subregion(iot, ioh, NE2000_ASIC_OFFSET*2, 167 NE2000_ASIC_NPORTS*2, &asich)) { 168 printf("%s: can't subregion I/O space\n", dsc->sc_dev.dv_xname); 169 return; 170 } 171 172 dsc->sc_regt = iot; 173 dsc->sc_regh = ioh; 174 175 sc->sc_asict = asict; 176 sc->sc_asich = asich; 177 178 /* 179 * detect it again, so we can print some information about 180 * the interface. 181 * XXX: Should I check NE1000 or NE2000 for Nereid? 182 */ 183 netype = ne2000_detect(iot, ioh, asict, asich); 184 switch (netype) { 185 case NE2000_TYPE_NE1000: 186 typestr = "NE1000"; 187 break; 188 189 case NE2000_TYPE_NE2000: 190 typestr = "NE2000"; 191 /* 192 * Check for a RealTek 8019. 193 */ 194 bus_space_write_1(iot, ioh, ED_P0_CR, 195 ED_CR_PAGE_0 | ED_CR_STP); 196 if (bus_space_read_1(iot, ioh, NERTL_RTL0_8019ID0) == 197 RTL0_8019ID0 && 198 bus_space_read_1(iot, ioh, NERTL_RTL0_8019ID1) == 199 RTL0_8019ID1) { 200 typestr = "NE2000 (RTL8019)"; 201 dsc->sc_mediachange = rtl80x9_mediachange; 202 dsc->sc_mediastatus = rtl80x9_mediastatus; 203 dsc->init_card = rtl80x9_init_card; 204 dsc->sc_media_init = rtl80x9_media_init; 205 } 206 break; 207 208 default: 209 printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname); 210 return; 211 } 212 213 printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, typestr); 214 215 /* This interface is always enabled */ 216 dsc->sc_enabled = 1; 217 218 /* 219 * Do generic NE2000 attach. 220 * This will read the mac address from the EEPROM. 221 */ 222 ne2000_attach(sc, NULL); 223 224 /* Establish the interrupt handler */ 225 if (intio_intr_establish(ia->ia_intr, "ne", ne_intio_intr, dsc)) 226 printf("%s: couldn't establish interrupt handler\n", 227 dsc->sc_dev.dv_xname); 228} 229 230static int 231ne_intio_intr(void *arg) 232{ 233 int error; 234 int s; 235 236 s = splnet(); 237 error = dp8390_intr(arg); 238 splx(s); 239 return error; 240} 241