1 /* $NetBSD: if_ne_neptune.c,v 1.21 2015/05/20 09:17:18 ozaki-r 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 1.21 2015/05/20 09:17:18 ozaki-r 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 #include <machine/bus.h> 63 64 #include <dev/ic/dp8390reg.h> 65 #include <dev/ic/dp8390var.h> 66 67 #include <dev/ic/ne2000reg.h> 68 #include <dev/ic/ne2000var.h> 69 70 #include <arch/x68k/dev/neptunevar.h> 71 72 static int ne_neptune_match(device_t, cfdata_t, void *); 73 static void ne_neptune_attach(device_t, device_t, void *); 74 75 #define ne_neptune_softc ne2000_softc 76 77 CFATTACH_DECL_NEW(ne_neptune, sizeof(struct ne_neptune_softc), 78 ne_neptune_match, ne_neptune_attach, NULL, NULL); 79 80 int 81 ne_neptune_match(device_t parent, cfdata_t match, void *aux) 82 { 83 struct neptune_attach_args *na = aux; 84 bus_space_tag_t nict = na->na_bst; 85 bus_space_handle_t nich; 86 bus_space_tag_t asict; 87 bus_space_handle_t asich; 88 int rv = 0; 89 90 if (na->na_addr == NEPTUNECF_ADDR_DEFAULT) 91 na->na_addr = 0x300; 92 93 /* Make sure this is a valid NE[12]000 i/o address. */ 94 if ((na->na_addr & 0x1f) != 0) 95 return (0); 96 97 /* Map i/o space. */ 98 if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich)) 99 return (0); 100 101 asict = nict; 102 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 103 NE2000_ASIC_NPORTS*2, &asich)) 104 goto out; 105 106 /* Look for an NE2000-compatible card. */ 107 rv = ne2000_detect(nict, nich, asict, asich); 108 109 out: 110 bus_space_unmap(nict, nich, NE2000_NPORTS); 111 return (rv != 0) ? 1 : 0; 112 } 113 114 void 115 ne_neptune_attach(device_t parent, device_t self, void *aux) 116 { 117 struct ne_neptune_softc *nsc = device_private(self); 118 struct dp8390_softc *dsc = &nsc->sc_dp8390; 119 struct neptune_attach_args *na = aux; 120 bus_space_tag_t nict = na->na_bst; 121 bus_space_handle_t nich; 122 bus_space_tag_t asict = nict; 123 bus_space_handle_t asich; 124 const char *typestr; 125 int netype; 126 127 dsc->sc_dev = self; 128 aprint_normal("\n"); 129 130 /* Map i/o space. */ 131 if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich)) { 132 aprint_error_dev(self, "can't map i/o space\n"); 133 return; 134 } 135 136 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 137 NE2000_ASIC_NPORTS*2, &asich)) { 138 aprint_error_dev(self, "can't subregion i/o space\n"); 139 return; 140 } 141 142 dsc->sc_regt = nict; 143 dsc->sc_regh = nich; 144 145 nsc->sc_asict = asict; 146 nsc->sc_asich = asich; 147 148 /* 149 * Detect it again, so we can print some information about the 150 * interface. 151 */ 152 netype = ne2000_detect(nict, nich, asict, asich); 153 switch (netype) { 154 case NE2000_TYPE_NE1000: 155 typestr = "NE1000"; 156 break; 157 158 case NE2000_TYPE_NE2000: 159 typestr = "NE2000"; 160 break; 161 162 case NE2000_TYPE_RTL8019: 163 typestr = "NE2000 (RTL8019)"; 164 break; 165 166 default: 167 aprint_error_dev(self, "where did the card go?!\n"); 168 return; 169 } 170 171 aprint_normal_dev(self, "%s Ethernet\n", typestr); 172 173 /* This interface is always enabled. */ 174 dsc->sc_enabled = 1; 175 176 /* 177 * Do generic NE2000 attach. This will read the station address 178 * from the EEPROM. 179 */ 180 ne2000_attach(nsc, NULL); 181 182 /* Establish the interrupt handler. */ 183 if (neptune_intr_establish(na->na_intr, "ne", dp8390_intr, dsc)) 184 aprint_error_dev(self, 185 "couldn't establish interrupt handler\n"); 186 } 187
Indexes created Sat Sep 20 22:09:52 GMT 2025