1 /* $NetBSD: if_ne_mca.c,v 1.15 2008/04/28 20:23:53 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jaromir Dolecek. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Driver for Novell NE/2 Ethernet Adapter (and clones). 34 * 35 * According to Linux ne2 driver, Arco and Compex card should be also 36 * supported by this driver. However, NetBSD driver was only tested 37 * with the Novell adapter so far. 38 */ 39 40 #include <sys/cdefs.h> 41 __KERNEL_RCSID(0, "$NetBSD: if_ne_mca.c,v 1.15 2008/04/28 20:23:53 martin Exp $"); 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/mbuf.h> 46 #include <sys/errno.h> 47 #include <sys/device.h> 48 #include <sys/protosw.h> 49 #include <sys/socket.h> 50 51 #include <net/if.h> 52 #include <net/if_types.h> 53 #include <net/if_media.h> 54 #include <net/if_ether.h> 55 56 #include <sys/bus.h> 57 58 #include <dev/ic/dp8390reg.h> 59 #include <dev/ic/dp8390var.h> 60 61 #include <dev/ic/ne2000reg.h> 62 #include <dev/ic/ne2000var.h> 63 64 #include <dev/ic/rtl80x9reg.h> 65 #include <dev/ic/rtl80x9var.h> 66 67 #include <dev/mca/mcadevs.h> 68 #include <dev/mca/mcavar.h> 69 70 #define NE2_NPORTS 0x30 71 72 struct ne_mca_softc { 73 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 74 75 /* MCA-specific goo */ 76 void *sc_ih; /* interrupt handle */ 77 }; 78 79 int ne_mca_match(device_t, cfdata_t , void *); 80 void ne_mca_attach(device_t, device_t, void *); 81 82 CFATTACH_DECL_NEW(ne_mca, sizeof(struct ne_mca_softc), 83 ne_mca_match, ne_mca_attach, NULL, NULL); 84 85 static const struct ne_mca_products { 86 u_int32_t ne_id; 87 const char *ne_name; 88 } ne_mca_products[] = { 89 { MCA_PRODUCT_ARCOAE, "Arco Electronics AE/2 Ethernet Adapter" }, 90 { MCA_PRODUCT_NE2, "Novell NE/2 Ethernet Adapter" }, 91 { MCA_PRODUCT_CENET16, "Compex Inc. PS/2 ENET16-MC/P Microchannel Ad."}, 92 { 0, NULL } 93 }; 94 95 static const struct ne_mca_products *ne_mca_lookup(int id); 96 97 static const struct ne_mca_products * 98 ne_mca_lookup(int id) 99 { 100 const struct ne_mca_products *np; 101 102 for(np = ne_mca_products; np->ne_name; np++) 103 if (id == np->ne_id) 104 return (np); 105 106 return (NULL); 107 } 108 109 int 110 ne_mca_match(device_t parent, cfdata_t cf, void *aux) 111 { 112 struct mca_attach_args *ma = aux; 113 114 if (ne_mca_lookup(ma->ma_id)) 115 return (1); 116 117 return (0); 118 } 119 120 /* These values were taken from NE/2 ADF file */ 121 static const int ne_mca_irq[] = { 122 3, 4, 5, 9 123 }; 124 static const int ne_mca_iobase[] = { 125 0, 0x1000, 0x2020, 0x8020, 0xa0a0, 0xb0b0, 0xc0c0, 0xc3d0 126 }; 127 128 void 129 ne_mca_attach(device_t parent, device_t self, void *aux) 130 { 131 struct ne_mca_softc *psc = device_private(self); 132 struct ne2000_softc *nsc = &psc->sc_ne2000; 133 struct dp8390_softc *dsc = &nsc->sc_dp8390; 134 struct mca_attach_args *ma = aux; 135 bus_space_tag_t nict; 136 bus_space_handle_t nich; 137 bus_space_tag_t asict; 138 bus_space_handle_t asich; 139 int pos2, iobase, irq; 140 const struct ne_mca_products *np; 141 142 dsc->sc_dev = self; 143 144 pos2 = mca_conf_read(ma->ma_mc, ma->ma_slot, 2); 145 146 /* 147 * POS register 2: (adf pos0) 148 * 149 * 7 6 5 4 3 2 1 0 150 * \_/ | \___/ \__ enable: 0=adapter disabled, 1=adapter enabled 151 * | | \____ I/O, Mem: 001=0x1000-0x102f 010=0x2020-0x204f 152 * | | 011=0x8020-0x804f 100=0xa0a0-0xa0cf 153 * | | 101=0xb0b0-0xb0df 110=0xc0c0-0xc0ef 154 * \ \ 111=0xc3d0-0xc3ff 155 * \ \________ Boot Rom: 1=disabled 0=enabled 156 * \__________ Interrupt level: 00=3 01=4 10=5 11=9 157 */ 158 159 np = ne_mca_lookup(ma->ma_id); 160 161 iobase = ne_mca_iobase[(pos2 & 0x0e) >> 1]; 162 irq = ne_mca_irq[(pos2 & 0x60) >> 5]; 163 164 aprint_normal(" slot %d irq %d: %s\n", ma->ma_slot + 1, irq, 165 np->ne_name); 166 167 nict = ma->ma_iot; 168 169 /* Map the device. */ 170 if (bus_space_map(nict, iobase, NE2_NPORTS, 0, &nich)) { 171 aprint_error_dev(self, "can't map i/o space\n"); 172 return; 173 } 174 175 asict = nict; 176 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 177 NE2000_ASIC_NPORTS, &asich)) { 178 aprint_error_dev(self, "can't subregion i/o space\n"); 179 return; 180 } 181 182 dsc->sc_regt = nict; 183 dsc->sc_regh = nich; 184 185 nsc->sc_asict = asict; 186 nsc->sc_asich = asich; 187 188 /* This interface is always enabled. */ 189 dsc->sc_enabled = 1; 190 191 dsc->sc_mediachange = NULL; 192 dsc->sc_mediastatus = NULL; 193 dsc->sc_media_init = NULL; 194 dsc->init_card = NULL; 195 196 /* 197 * This is necessary for NE/2. Hopefully the other clones also work 198 * this way. 199 */ 200 nsc->sc_type = NE2000_TYPE_AX88190; 201 202 /* 203 * Do generic NE2000 attach. This will read the station address 204 * from the EEPROM. 205 */ 206 if (ne2000_attach(nsc, NULL)) 207 return; 208 209 /* establish interrupt handler */ 210 psc->sc_ih = mca_intr_establish(ma->ma_mc, irq, IPL_NET, dp8390_intr, 211 dsc); 212 if (psc->sc_ih == NULL) { 213 aprint_error_dev(self, 214 "couldn't establish interrupt handler\n"); 215 return; 216 } 217 } 218
Indexes created Sun Sep 21 19:09:51 GMT 2025