if_ne_mainbus.c revision 1.2.12.1
1 /* $NetBSD: if_ne_mainbus.c,v 1.2.12.1 2013/02/25 00:28:40 tls 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_mainbus.c,v 1.2.12.1 2013/02/25 00:28:40 tls Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/mbuf.h> 39 #include <sys/socket.h> 40 #include <sys/ioctl.h> 41 #include <sys/errno.h> 42 #include <sys/syslog.h> 43 #include <sys/select.h> 44 #include <sys/device.h> 45 #include <sys/bus.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 #include <sys/intr.h> 53 54 #include <dev/ic/dp8390reg.h> 55 #include <dev/ic/dp8390var.h> 56 57 #include <dev/ic/ne2000reg.h> 58 #include <dev/ic/ne2000var.h> 59 60 #include <machine/autoconf.h> 61 62 #include <sh3/exception.h> 63 64 static int ne_mainbus_match(device_t, cfdata_t, void *); 65 static void ne_mainbus_attach(device_t, device_t, void *); 66 67 struct ne_mainbus_softc { 68 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 69 70 void *sc_ih; /* interrupt cookie */ 71 }; 72 73 CFATTACH_DECL_NEW(ne_mainbus, sizeof(struct ne_mainbus_softc), 74 ne_mainbus_match, ne_mainbus_attach, NULL, NULL); 75 76 extern struct _bus_space t_sh7706lan_bus_io; 77 78 static int 79 ne_mainbus_match(device_t parent, cfdata_t cf, void *aux) 80 { 81 struct mainbus_attach_args *maa = (struct mainbus_attach_args *)aux; 82 bus_space_tag_t nict = &t_sh7706lan_bus_io; 83 bus_space_handle_t nich; 84 bus_space_tag_t asict; 85 bus_space_handle_t asich; 86 int rv = 0; 87 88 if (strcmp(maa->ma_name, "ne") != 0) 89 return 0; 90 91 /* Map i/o space. */ 92 if (bus_space_map(nict, 0x10000300, NE2000_NPORTS, 0, &nich)) 93 return 0; 94 95 asict = nict; 96 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 97 NE2000_ASIC_NPORTS, &asich)) 98 goto out; 99 100 /* Look for an NE2000-compatible card. */ 101 rv = ne2000_detect(nict, nich, asict, asich); 102 103 out: 104 bus_space_unmap(nict, nich, NE2000_NPORTS); 105 return rv; 106 } 107 108 static void 109 ne_mainbus_attach(device_t parent, device_t self, void *aux) 110 { 111 struct ne_mainbus_softc *msc = device_private(self); 112 struct ne2000_softc *nsc = &msc->sc_ne2000; 113 struct dp8390_softc *dsc = &nsc->sc_dp8390; 114 bus_space_tag_t nict = &t_sh7706lan_bus_io; 115 bus_space_handle_t nich; 116 bus_space_tag_t asict = nict; 117 bus_space_handle_t asich; 118 const char *typestr; 119 int netype; 120 121 dsc->sc_dev = self; 122 123 aprint_naive("\n"); 124 aprint_normal("\n"); 125 126 /* Map i/o space. */ 127 if (bus_space_map(nict, 0x10000300, NE2000_NPORTS, 0, &nich)){ 128 aprint_error_dev(self, "can't map i/o space\n"); 129 return; 130 } 131 132 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 133 NE2000_ASIC_NPORTS, &asich)) { 134 aprint_error_dev(self, "can't subregion i/o space\n"); 135 bus_space_unmap(nict, nich, NE2000_NPORTS); 136 return; 137 } 138 139 dsc->sc_regt = nict; 140 dsc->sc_regh = nich; 141 142 nsc->sc_asict = asict; 143 nsc->sc_asich = asich; 144 145 /* 146 * Detect it again, so we can print some information about the 147 * interface. 148 */ 149 netype = ne2000_detect(nict, nich, asict, asich); 150 switch (netype) { 151 case NE2000_TYPE_NE1000: 152 typestr = "NE1000"; 153 break; 154 155 case NE2000_TYPE_NE2000: 156 typestr = "NE2000"; 157 break; 158 159 case NE2000_TYPE_RTL8019: 160 typestr = "NE2000 (RTL8019)"; 161 break; 162 163 default: 164 aprint_error_dev(self, "where did the card go?!\n"); 165 bus_space_unmap(nict, nich, NE2000_NPORTS); 166 return; 167 } 168 169 aprint_normal_dev(self, "%s Ethernet\n", typestr); 170 171 /* This interface is always enabled. */ 172 dsc->sc_enabled = 1; 173 174 /* force 8bit */ 175 nsc->sc_quirk |= NE2000_QUIRK_8BIT; 176 177 /* 178 * Do generic NE2000 attach. This will read the station address 179 * from the EEPROM. 180 */ 181 ne2000_attach(nsc, NULL); 182 183 /* Establish the interrupt handler. */ 184 msc->sc_ih = intc_intr_establish(SH7709_INTEVT2_IRQ2, IST_LEVEL, 185 IPL_NET, dp8390_intr, dsc); 186 if (msc->sc_ih == NULL) 187 aprint_error_dev(self, 188 "couldn't establish interrupt handler\n"); 189 } 190
Indexes created Sun Oct 12 05:10:08 GMT 2025