if_ne_intio.c revision 1.16
1/* $NetBSD: if_ne_intio.c,v 1.16 2010/03/03 13:39:57 tsutsui 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 1.16 2010/03/03 13:39:57 tsutsui 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 78#include <arch/x68k/dev/intiovar.h> 79 80#define NE_INTIO_ADDR (0xece300) 81#define NE_INTIO_ADDR2 (0xeceb00) 82#define NE_INTIO_INTR (0xf9) 83#define NE_INTIO_INTR2 (0xf8) 84 85static int ne_intio_match(device_t, cfdata_t, void *); 86static void ne_intio_attach(device_t, device_t, void *); 87 88#define ne_intio_softc ne2000_softc 89 90CFATTACH_DECL_NEW(ne_intio, sizeof(struct ne_intio_softc), 91 ne_intio_match, ne_intio_attach, NULL, NULL); 92 93static int 94ne_intio_match(device_t parent, cfdata_t cf, void *aux) 95{ 96 struct intio_attach_args *ia = aux; 97 bus_space_tag_t iot = ia->ia_bst; 98 bus_space_handle_t ioh; 99 bus_space_tag_t asict; 100 bus_space_handle_t asich; 101 int rv = 0; 102 103 if (ia->ia_addr == INTIOCF_ADDR_DEFAULT) 104 ia->ia_addr = NE_INTIO_ADDR; 105 if (ia->ia_intr == INTIOCF_INTR_DEFAULT) 106 ia->ia_intr = NE_INTIO_INTR; 107 108 /* fixed parameters */ 109 if (!(ia->ia_addr == NE_INTIO_ADDR && ia->ia_intr == NE_INTIO_INTR ) && 110 !(ia->ia_addr == NE_INTIO_ADDR2 && ia->ia_intr == NE_INTIO_INTR2) ) 111 return 0; 112 113 /* Make sure this is a valid NE2000 I/O address */ 114 if ((ia->ia_addr & 0x1f) != 0) 115 return 0; 116 117 /* Check whether the board is inserted or not */ 118 if (badaddr((void *)IIOV(ia->ia_addr))) 119 return 0; 120 121 /* Map I/O space */ 122 if (bus_space_map(iot, ia->ia_addr, NE2000_NPORTS*2, 123 BUS_SPACE_MAP_SHIFTED_EVEN, &ioh)) 124 return 0; 125 126 asict = iot; 127 if (bus_space_subregion(iot, ioh, NE2000_ASIC_OFFSET*2, 128 NE2000_ASIC_NPORTS*2, &asich)) 129 goto out; 130 131 /* Look for an NE2000 compatible card */ 132 rv = ne2000_detect(iot, ioh, asict, asich); 133 134 out: 135 bus_space_unmap(iot, ioh, NE2000_NPORTS); 136 return (rv != 0) ? 1 : 0; 137} 138 139static void 140ne_intio_attach(device_t parent, device_t self, void *aux) 141{ 142 struct ne_intio_softc *sc = device_private(self); 143 struct dp8390_softc *dsc = &sc->sc_dp8390; 144 struct intio_attach_args *ia = aux; 145 bus_space_tag_t iot = ia->ia_bst; 146 bus_space_handle_t ioh; 147 bus_space_tag_t asict; 148 bus_space_handle_t asich; 149 const char *typestr; 150 int netype; 151 152 dsc->sc_dev = self; 153 aprint_normal(": Nereid Ethernet\n"); 154 155 /* Map I/O space */ 156 if (bus_space_map(iot, ia->ia_addr, NE2000_NPORTS*2, 157 BUS_SPACE_MAP_SHIFTED_EVEN, &ioh)){ 158 aprint_error_dev(self, "can't map I/O space\n"); 159 return; 160 } 161 162 asict = iot; 163 if (bus_space_subregion(iot, ioh, NE2000_ASIC_OFFSET*2, 164 NE2000_ASIC_NPORTS*2, &asich)) { 165 aprint_error_dev(self, "can't subregion I/O space\n"); 166 return; 167 } 168 169 dsc->sc_regt = iot; 170 dsc->sc_regh = ioh; 171 172 sc->sc_asict = asict; 173 sc->sc_asich = asich; 174 175 /* 176 * detect it again, so we can print some information about 177 * the interface. 178 * XXX: Should I check NE1000 or NE2000 for Nereid? 179 */ 180 netype = ne2000_detect(iot, ioh, asict, asich); 181 switch (netype) { 182 case NE2000_TYPE_NE1000: 183 typestr = "NE1000"; 184 break; 185 186 case NE2000_TYPE_NE2000: 187 typestr = "NE2000"; 188 break; 189 190 case NE2000_TYPE_RTL8019: 191 typestr = "NE2000 (RTL8019)"; 192 break; 193 194 default: 195 aprint_error_dev(self, "where did the card go?!\n"); 196 return; 197 } 198 199 aprint_normal_dev(self, "%s Ethernet\n", typestr); 200 201 /* This interface is always enabled */ 202 dsc->sc_enabled = 1; 203 204 /* 205 * Do generic NE2000 attach. 206 * This will read the mac address from the EEPROM. 207 */ 208 ne2000_attach(sc, NULL); 209 210 /* Establish the interrupt handler */ 211 if (intio_intr_establish(ia->ia_intr, "ne", dp8390_intr, dsc)) 212 aprint_error_dev(self, 213 "couldn't establish interrupt handler\n"); 214} 215