1 /* $NetBSD: if_ne_neptune.c,v 1.19 2010/01/19 22:06:23 pooka Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: if_ne_neptune.c,v 1.19 2010/01/19 22:06:23 pooka Exp $"); 35 36 #include "opt_inet.h" 37 #include "opt_ns.h" 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/mbuf.h> 42 #include <sys/socket.h> 43 #include <sys/ioctl.h> 44 #include <sys/errno.h> 45 #include <sys/syslog.h> 46 #include <sys/select.h> 47 #include <sys/device.h> 48 49 #include <net/if.h> 50 #include <net/if_dl.h> 51 #include <net/if_ether.h> 52 #include <net/if_media.h> 53 54 #ifdef INET 55 #include <netinet/in.h> 56 #include <netinet/in_systm.h> 57 #include <netinet/in_var.h> 58 #include <netinet/ip.h> 59 #include <netinet/if_inarp.h> 60 #endif 61 62 #ifdef NS 63 #include <netns/ns.h> 64 #include <netns/ns_if.h> 65 #endif 66 67 #include <machine/bus.h> 68 69 #include <dev/ic/dp8390reg.h> 70 #include <dev/ic/dp8390var.h> 71 72 #include <dev/ic/ne2000reg.h> 73 #include <dev/ic/ne2000var.h> 74 75 #include <dev/ic/rtl80x9reg.h> 76 #include <dev/ic/rtl80x9var.h> 77 78 #include <arch/x68k/dev/neptunevar.h> 79 80 static int ne_neptune_match(device_t, cfdata_t, void *); 81 static void ne_neptune_attach(device_t, device_t, void *); 82 83 #define ne_neptune_softc ne2000_softc 84 85 CFATTACH_DECL_NEW(ne_neptune, sizeof(struct ne_neptune_softc), 86 ne_neptune_match, ne_neptune_attach, NULL, NULL); 87 88 int 89 ne_neptune_match(device_t parent, cfdata_t match, void *aux) 90 { 91 struct neptune_attach_args *na = aux; 92 bus_space_tag_t nict = na->na_bst; 93 bus_space_handle_t nich; 94 bus_space_tag_t asict; 95 bus_space_handle_t asich; 96 int rv = 0; 97 98 if (na->na_addr == NEPTUNECF_ADDR_DEFAULT) 99 na->na_addr = 0x300; 100 101 /* Make sure this is a valid NE[12]000 i/o address. */ 102 if ((na->na_addr & 0x1f) != 0) 103 return (0); 104 105 /* Map i/o space. */ 106 if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich)) 107 return (0); 108 109 asict = nict; 110 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 111 NE2000_ASIC_NPORTS*2, &asich)) 112 goto out; 113 114 /* Look for an NE2000-compatible card. */ 115 rv = ne2000_detect(nict, nich, asict, asich); 116 117 out: 118 bus_space_unmap(nict, nich, NE2000_NPORTS); 119 return (rv != 0) ? 1 : 0; 120 } 121 122 void 123 ne_neptune_attach(device_t parent, device_t self, void *aux) 124 { 125 struct ne_neptune_softc *nsc = device_private(self); 126 struct dp8390_softc *dsc = &nsc->sc_dp8390; 127 struct neptune_attach_args *na = aux; 128 bus_space_tag_t nict = na->na_bst; 129 bus_space_handle_t nich; 130 bus_space_tag_t asict = nict; 131 bus_space_handle_t asich; 132 const char *typestr; 133 int netype; 134 135 dsc->sc_dev = self; 136 aprint_normal("\n"); 137 138 /* Map i/o space. */ 139 if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich)) { 140 aprint_error_dev(self, "can't map i/o space\n"); 141 return; 142 } 143 144 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 145 NE2000_ASIC_NPORTS*2, &asich)) { 146 aprint_error_dev(self, "can't subregion i/o space\n"); 147 return; 148 } 149 150 dsc->sc_regt = nict; 151 dsc->sc_regh = nich; 152 153 nsc->sc_asict = asict; 154 nsc->sc_asich = asich; 155 156 /* 157 * Detect it again, so we can print some information about the 158 * interface. 159 */ 160 netype = ne2000_detect(nict, nich, asict, asich); 161 switch (netype) { 162 case NE2000_TYPE_NE1000: 163 typestr = "NE1000"; 164 break; 165 166 case NE2000_TYPE_NE2000: 167 typestr = "NE2000"; 168 /* 169 * Check for a Realtek 8019. 170 */ 171 bus_space_write_1(nict, nich, ED_P0_CR, 172 ED_CR_PAGE_0 | ED_CR_STP); 173 if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) == 174 RTL0_8019ID0 && 175 bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) == 176 RTL0_8019ID1) { 177 typestr = "NE2000 (RTL8019)"; 178 dsc->sc_mediachange = rtl80x9_mediachange; 179 dsc->sc_mediastatus = rtl80x9_mediastatus; 180 dsc->init_card = rtl80x9_init_card; 181 dsc->sc_media_init = rtl80x9_media_init; 182 } 183 break; 184 185 default: 186 aprint_error_dev(self, "where did the card go?!\n"); 187 return; 188 } 189 190 aprint_normal_dev(self, "%s Ethernet\n", typestr); 191 192 /* This interface is always enabled. */ 193 dsc->sc_enabled = 1; 194 195 /* 196 * Do generic NE2000 attach. This will read the station address 197 * from the EEPROM. 198 */ 199 ne2000_attach(nsc, NULL); 200 201 /* Establish the interrupt handler. */ 202 if (neptune_intr_establish(na->na_intr, "ne", dp8390_intr, dsc)) 203 aprint_error_dev(self, 204 "couldn't establish interrupt handler\n"); 205 } 206