if_ne_intio.c revision 1.15
1/* $NetBSD: if_ne_intio.c,v 1.15 2010/01/19 22:06:23 pooka 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 1.15 2010/01/19 22:06:23 pooka Exp $"); 36 37#include "opt_inet.h" 38#include "opt_ns.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/select.h> 45#include <sys/device.h> 46 47#include <net/if.h> 48#include <net/if_dl.h> 49#include <net/if_ether.h> 50#include <net/if_media.h> 51 52#ifdef INET 53#include <netinet/in.h> 54#include <netinet/in_systm.h> 55#include <netinet/in_var.h> 56#include <netinet/ip.h> 57#include <netinet/if_inarp.h> 58#endif 59 60#ifdef NS 61#include <netns/ns.h> 62#include <netns/ns_if.h> 63#endif 64 65#if BPFILTER > 0 66#include <net/bpf.h> 67#include <net/bpfdesc.h> 68#endif 69 70#include <machine/bus.h> 71#include <machine/cpu.h> 72 73#include <dev/ic/dp8390reg.h> 74#include <dev/ic/dp8390var.h> 75#include <dev/ic/ne2000reg.h> 76#include <dev/ic/ne2000var.h> 77#include <dev/ic/rtl80x9reg.h> 78#include <dev/ic/rtl80x9var.h> 79 80#include <arch/x68k/dev/intiovar.h> 81 82#define NE_INTIO_ADDR (0xece300) 83#define NE_INTIO_ADDR2 (0xeceb00) 84#define NE_INTIO_INTR (0xf9) 85#define NE_INTIO_INTR2 (0xf8) 86 87static int ne_intio_match(device_t, cfdata_t, void *); 88static void ne_intio_attach(device_t, device_t, void *); 89 90#define ne_intio_softc ne2000_softc 91 92CFATTACH_DECL_NEW(ne_intio, sizeof(struct ne_intio_softc), 93 ne_intio_match, ne_intio_attach, NULL, NULL); 94 95static int 96ne_intio_match(device_t parent, cfdata_t cf, void *aux) 97{ 98 struct intio_attach_args *ia = aux; 99 bus_space_tag_t iot = ia->ia_bst; 100 bus_space_handle_t ioh; 101 bus_space_tag_t asict; 102 bus_space_handle_t asich; 103 int rv = 0; 104 105 if (ia->ia_addr == INTIOCF_ADDR_DEFAULT) 106 ia->ia_addr = NE_INTIO_ADDR; 107 if (ia->ia_intr == INTIOCF_INTR_DEFAULT) 108 ia->ia_intr = NE_INTIO_INTR; 109 110 /* fixed parameters */ 111 if (!(ia->ia_addr == NE_INTIO_ADDR && ia->ia_intr == NE_INTIO_INTR ) && 112 !(ia->ia_addr == NE_INTIO_ADDR2 && ia->ia_intr == NE_INTIO_INTR2) ) 113 return 0; 114 115 /* Make sure this is a valid NE2000 I/O address */ 116 if ((ia->ia_addr & 0x1f) != 0) 117 return 0; 118 119 /* Check whether the board is inserted or not */ 120 if (badaddr((void *)IIOV(ia->ia_addr))) 121 return 0; 122 123 /* Map I/O space */ 124 if (bus_space_map(iot, ia->ia_addr, NE2000_NPORTS*2, 125 BUS_SPACE_MAP_SHIFTED_EVEN, &ioh)) 126 return 0; 127 128 asict = iot; 129 if (bus_space_subregion(iot, ioh, NE2000_ASIC_OFFSET*2, 130 NE2000_ASIC_NPORTS*2, &asich)) 131 goto out; 132 133 /* Look for an NE2000 compatible card */ 134 rv = ne2000_detect(iot, ioh, asict, asich); 135 136 out: 137 bus_space_unmap(iot, ioh, NE2000_NPORTS); 138 return (rv != 0) ? 1 : 0; 139} 140 141static void 142ne_intio_attach(device_t parent, device_t self, void *aux) 143{ 144 struct ne_intio_softc *sc = device_private(self); 145 struct dp8390_softc *dsc = &sc->sc_dp8390; 146 struct intio_attach_args *ia = aux; 147 bus_space_tag_t iot = ia->ia_bst; 148 bus_space_handle_t ioh; 149 bus_space_tag_t asict; 150 bus_space_handle_t asich; 151 const char *typestr; 152 int netype; 153 154 dsc->sc_dev = self; 155 aprint_normal(": Nereid Ethernet\n"); 156 157 /* Map I/O space */ 158 if (bus_space_map(iot, ia->ia_addr, NE2000_NPORTS*2, 159 BUS_SPACE_MAP_SHIFTED_EVEN, &ioh)){ 160 aprint_error_dev(self, "can't map I/O space\n"); 161 return; 162 } 163 164 asict = iot; 165 if (bus_space_subregion(iot, ioh, NE2000_ASIC_OFFSET*2, 166 NE2000_ASIC_NPORTS*2, &asich)) { 167 aprint_error_dev(self, "can't subregion I/O space\n"); 168 return; 169 } 170 171 dsc->sc_regt = iot; 172 dsc->sc_regh = ioh; 173 174 sc->sc_asict = asict; 175 sc->sc_asich = asich; 176 177 /* 178 * detect it again, so we can print some information about 179 * the interface. 180 * XXX: Should I check NE1000 or NE2000 for Nereid? 181 */ 182 netype = ne2000_detect(iot, ioh, asict, asich); 183 switch (netype) { 184 case NE2000_TYPE_NE1000: 185 typestr = "NE1000"; 186 break; 187 188 case NE2000_TYPE_NE2000: 189 typestr = "NE2000"; 190 /* 191 * Check for a Realtek 8019. 192 */ 193 bus_space_write_1(iot, ioh, ED_P0_CR, 194 ED_CR_PAGE_0 | ED_CR_STP); 195 if (bus_space_read_1(iot, ioh, NERTL_RTL0_8019ID0) == 196 RTL0_8019ID0 && 197 bus_space_read_1(iot, ioh, NERTL_RTL0_8019ID1) == 198 RTL0_8019ID1) { 199 typestr = "NE2000 (RTL8019)"; 200 dsc->sc_mediachange = rtl80x9_mediachange; 201 dsc->sc_mediastatus = rtl80x9_mediastatus; 202 dsc->init_card = rtl80x9_init_card; 203 dsc->sc_media_init = rtl80x9_media_init; 204 } 205 break; 206 207 default: 208 aprint_error_dev(self, "where did the card go?!\n"); 209 return; 210 } 211 212 aprint_normal_dev(self, "%s Ethernet\n", typestr); 213 214 /* This interface is always enabled */ 215 dsc->sc_enabled = 1; 216 217 /* 218 * Do generic NE2000 attach. 219 * This will read the mac address from the EEPROM. 220 */ 221 ne2000_attach(sc, NULL); 222 223 /* Establish the interrupt handler */ 224 if (intio_intr_establish(ia->ia_intr, "ne", dp8390_intr, dsc)) 225 aprint_error_dev(self, 226 "couldn't establish interrupt handler\n"); 227} 228