1 /* $NetBSD: if_ne_intio.c,v 1.18 2015/05/20 09:17:18 ozaki-r 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /* 29 * Ethernet part of Nereid Ethernet/USB/Memory board 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: if_ne_intio.c,v 1.18 2015/05/20 09:17:18 ozaki-r Exp $"); 34 35 #include "opt_inet.h" 36 #include "opt_ns.h" 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/mbuf.h> 41 #include <sys/socket.h> 42 #include <sys/select.h> 43 #include <sys/device.h> 44 45 #include <net/if.h> 46 #include <net/if_dl.h> 47 #include <net/if_ether.h> 48 #include <net/if_media.h> 49 50 #ifdef INET 51 #include <netinet/in.h> 52 #include <netinet/in_systm.h> 53 #include <netinet/in_var.h> 54 #include <netinet/ip.h> 55 #include <netinet/if_inarp.h> 56 #endif 57 58 #if BPFILTER > 0 59 #include <net/bpf.h> 60 #include <net/bpfdesc.h> 61 #endif 62 63 #include <machine/bus.h> 64 #include <machine/cpu.h> 65 66 #include <dev/ic/dp8390reg.h> 67 #include <dev/ic/dp8390var.h> 68 #include <dev/ic/ne2000reg.h> 69 #include <dev/ic/ne2000var.h> 70 71 #include <arch/x68k/dev/intiovar.h> 72 73 #define NE_INTIO_ADDR (0xece300) 74 #define NE_INTIO_ADDR2 (0xeceb00) 75 #define NE_INTIO_INTR (0xf9) 76 #define NE_INTIO_INTR2 (0xf8) 77 78 static int ne_intio_match(device_t, cfdata_t, void *); 79 static void ne_intio_attach(device_t, device_t, void *); 80 81 #define ne_intio_softc ne2000_softc 82 83 CFATTACH_DECL_NEW(ne_intio, sizeof(struct ne_intio_softc), 84 ne_intio_match, ne_intio_attach, NULL, NULL); 85 86 static int 87 ne_intio_match(device_t parent, cfdata_t cf, void *aux) 88 { 89 struct intio_attach_args *ia = aux; 90 bus_space_tag_t iot = ia->ia_bst; 91 bus_space_handle_t ioh; 92 bus_space_tag_t asict; 93 bus_space_handle_t asich; 94 int rv = 0; 95 96 if (ia->ia_addr == INTIOCF_ADDR_DEFAULT) 97 ia->ia_addr = NE_INTIO_ADDR; 98 if (ia->ia_intr == INTIOCF_INTR_DEFAULT) 99 ia->ia_intr = NE_INTIO_INTR; 100 101 /* fixed parameters */ 102 if (!(ia->ia_addr == NE_INTIO_ADDR && ia->ia_intr == NE_INTIO_INTR ) && 103 !(ia->ia_addr == NE_INTIO_ADDR2 && ia->ia_intr == NE_INTIO_INTR2) ) 104 return 0; 105 106 /* Make sure this is a valid NE2000 I/O address */ 107 if ((ia->ia_addr & 0x1f) != 0) 108 return 0; 109 110 /* Check whether the board is inserted or not */ 111 if (badaddr((void *)IIOV(ia->ia_addr))) 112 return 0; 113 114 /* Map I/O space */ 115 if (bus_space_map(iot, ia->ia_addr, NE2000_NPORTS*2, 116 BUS_SPACE_MAP_SHIFTED_EVEN, &ioh)) 117 return 0; 118 119 asict = iot; 120 if (bus_space_subregion(iot, ioh, NE2000_ASIC_OFFSET*2, 121 NE2000_ASIC_NPORTS*2, &asich)) 122 goto out; 123 124 /* Look for an NE2000 compatible card */ 125 rv = ne2000_detect(iot, ioh, asict, asich); 126 127 out: 128 bus_space_unmap(iot, ioh, NE2000_NPORTS); 129 return (rv != 0) ? 1 : 0; 130 } 131 132 static void 133 ne_intio_attach(device_t parent, device_t self, void *aux) 134 { 135 struct ne_intio_softc *sc = device_private(self); 136 struct dp8390_softc *dsc = &sc->sc_dp8390; 137 struct intio_attach_args *ia = aux; 138 bus_space_tag_t iot = ia->ia_bst; 139 bus_space_handle_t ioh; 140 bus_space_tag_t asict; 141 bus_space_handle_t asich; 142 const char *typestr; 143 int netype; 144 145 dsc->sc_dev = self; 146 aprint_normal(": Nereid Ethernet\n"); 147 148 /* Map I/O space */ 149 if (bus_space_map(iot, ia->ia_addr, NE2000_NPORTS*2, 150 BUS_SPACE_MAP_SHIFTED_EVEN, &ioh)){ 151 aprint_error_dev(self, "can't map I/O space\n"); 152 return; 153 } 154 155 asict = iot; 156 if (bus_space_subregion(iot, ioh, NE2000_ASIC_OFFSET*2, 157 NE2000_ASIC_NPORTS*2, &asich)) { 158 aprint_error_dev(self, "can't subregion I/O space\n"); 159 return; 160 } 161 162 dsc->sc_regt = iot; 163 dsc->sc_regh = ioh; 164 165 sc->sc_asict = asict; 166 sc->sc_asich = asich; 167 168 /* 169 * detect it again, so we can print some information about 170 * the interface. 171 * XXX: Should I check NE1000 or NE2000 for Nereid? 172 */ 173 netype = ne2000_detect(iot, ioh, asict, asich); 174 switch (netype) { 175 case NE2000_TYPE_NE1000: 176 typestr = "NE1000"; 177 break; 178 179 case NE2000_TYPE_NE2000: 180 typestr = "NE2000"; 181 break; 182 183 case NE2000_TYPE_RTL8019: 184 typestr = "NE2000 (RTL8019)"; 185 break; 186 187 default: 188 aprint_error_dev(self, "where did the card go?!\n"); 189 return; 190 } 191 192 aprint_normal_dev(self, "%s Ethernet\n", typestr); 193 194 /* This interface is always enabled */ 195 dsc->sc_enabled = 1; 196 197 /* 198 * Do generic NE2000 attach. 199 * This will read the mac address from the EEPROM. 200 */ 201 ne2000_attach(sc, NULL); 202 203 /* Establish the interrupt handler */ 204 if (intio_intr_establish(ia->ia_intr, "ne", dp8390_intr, dsc)) 205 aprint_error_dev(self, 206 "couldn't establish interrupt handler\n"); 207 } 208