if_ne_intio.c revision 1.2
1/* $NetBSD: if_ne_intio.c,v 1.2 2002/01/14 04:25:47 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. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Tetsuya Isaki. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 27 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 28 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33/* 34 * Ethernet part of Nereid Ethernet/USB/Memory board 35 */ 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 94struct cfattach ne_intio_ca = { 95 sizeof(struct ne_intio_softc), ne_intio_match, ne_intio_attach 96}; 97 98static int 99ne_intio_match(struct device *parent, struct cfdata *cf, void *aux) 100{ 101 struct intio_attach_args *ia = aux; 102 bus_space_tag_t iot = ia->ia_bst; 103 bus_space_handle_t ioh; 104 bus_space_tag_t asict; 105 bus_space_handle_t asich; 106 int rv = 0; 107 108 if (ia->ia_addr == INTIOCF_ADDR_DEFAULT) 109 ia->ia_addr = NE_INTIO_ADDR; 110 if (ia->ia_intr == INTIOCF_INTR_DEFAULT) 111 ia->ia_intr = NE_INTIO_INTR; 112 113 /* fixed parameters */ 114 if (!(ia->ia_addr == NE_INTIO_ADDR && ia->ia_intr == NE_INTIO_INTR ) && 115 !(ia->ia_addr == NE_INTIO_ADDR2 && ia->ia_intr == NE_INTIO_INTR2) ) 116 return 0; 117 118 /* Make sure this is a valid NE2000 I/O address */ 119 if ((ia->ia_addr & 0x1f) != 0) 120 return 0; 121 122 /* Check whether the board is inserted or not */ 123 if (badaddr((caddr_t)INTIO_ADDR(ia->ia_addr))) 124 return 0; 125 126 /* Map I/O space */ 127 if (bus_space_map(iot, ia->ia_addr, NE2000_NPORTS*2, 128 BUS_SPACE_MAP_SHIFTED_EVEN, &ioh)) 129 return 0; 130 131 asict = iot; 132 if (bus_space_subregion(iot, ioh, NE2000_ASIC_OFFSET*2, 133 NE2000_ASIC_NPORTS*2, &asich)) 134 goto out; 135 136 /* Look for an NE2000 compatible card */ 137 rv = ne2000_detect(iot, ioh, asict, asich); 138 139 out: 140 bus_space_unmap(iot, ioh, NE2000_NPORTS); 141 return rv; 142} 143 144static void 145ne_intio_attach(struct device *parent, struct device *self, void *aux) 146{ 147 struct ne_intio_softc *sc = (struct ne_intio_softc *)self; 148 struct dp8390_softc *dsc = &sc->sc_dp8390; 149 struct intio_attach_args *ia = aux; 150 bus_space_tag_t iot = ia->ia_bst; 151 bus_space_handle_t ioh; 152 bus_space_tag_t asict; 153 bus_space_handle_t asich; 154 const char *typestr; 155 int netype; 156 157 printf(": Nereid Ethernet\n"); 158 159 /* Map I/O space */ 160 if (bus_space_map(iot, ia->ia_addr, NE2000_NPORTS*2, 161 BUS_SPACE_MAP_SHIFTED_EVEN, &ioh)){ 162 printf("%s: can't map I/O space\n", dsc->sc_dev.dv_xname); 163 return; 164 } 165 166 asict = iot; 167 if (bus_space_subregion(iot, ioh, NE2000_ASIC_OFFSET*2, 168 NE2000_ASIC_NPORTS*2, &asich)) { 169 printf("%s: can't subregion I/O space\n", dsc->sc_dev.dv_xname); 170 return; 171 } 172 173 dsc->sc_regt = iot; 174 dsc->sc_regh = ioh; 175 176 sc->sc_asict = asict; 177 sc->sc_asich = asich; 178 179 /* 180 * detect it again, so we can print some information about 181 * the interface. 182 * XXX: Should I check NE1000 or NE2000 for Nereid? 183 */ 184 netype = ne2000_detect(iot, ioh, asict, asich); 185 switch (netype) { 186 case NE2000_TYPE_NE1000: 187 typestr = "NE1000"; 188 break; 189 190 case NE2000_TYPE_NE2000: 191 typestr = "NE2000"; 192 /* 193 * Check for a RealTek 8019. 194 */ 195 bus_space_write_1(iot, ioh, ED_P0_CR, 196 ED_CR_PAGE_0 | ED_CR_STP); 197 if (bus_space_read_1(iot, ioh, NERTL_RTL0_8019ID0) == 198 RTL0_8019ID0 && 199 bus_space_read_1(iot, ioh, NERTL_RTL0_8019ID1) == 200 RTL0_8019ID1) { 201 typestr = "NE2000 (RTL8019)"; 202 dsc->sc_mediachange = rtl80x9_mediachange; 203 dsc->sc_mediastatus = rtl80x9_mediastatus; 204 dsc->init_card = rtl80x9_init_card; 205 dsc->sc_media_init = rtl80x9_media_init; 206 } 207 break; 208 209 default: 210 printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname); 211 return; 212 } 213 214 printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, typestr); 215 216 /* This interface is always enabled */ 217 dsc->sc_enabled = 1; 218 219 /* 220 * Do generic NE2000 attach. 221 * This will read the mac address from the EEPROM. 222 */ 223 ne2000_attach(sc, NULL); 224 225 /* Establish the interrupt handler */ 226 if (intio_intr_establish(ia->ia_intr, "ne", ne_intio_intr, dsc)) 227 printf("%s: couldn't establish interrupt handler\n", 228 dsc->sc_dev.dv_xname); 229} 230 231static int 232ne_intio_intr(void *arg) 233{ 234 int error; 235 int s; 236 237 s = splnet(); 238 error = dp8390_intr(arg); 239 splx(s); 240 return error; 241} 242