1 /* $NetBSD: if_le.c,v 1.18 2010/01/19 22:06:22 pooka Exp $ */ 2 3 /*- 4 * Copyright (c) 1996 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Adam Glass and Gordon W. Ross. 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 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.18 2010/01/19 22:06:22 pooka Exp $"); 34 35 #include "opt_inet.h" 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/mbuf.h> 40 #include <sys/syslog.h> 41 #include <sys/socket.h> 42 #include <sys/device.h> 43 44 #include <net/if.h> 45 #include <net/if_ether.h> 46 #include <net/if_media.h> 47 48 #ifdef INET 49 #include <netinet/in.h> 50 #include <netinet/if_inarp.h> 51 #endif 52 53 #include <machine/cpu.h> 54 #include <machine/adrsmap.h> 55 56 #include <dev/ic/lancereg.h> 57 #include <dev/ic/lancevar.h> 58 #include <dev/ic/am7990reg.h> 59 #include <dev/ic/am7990var.h> 60 61 #include <newsmips/dev/hbvar.h> 62 63 /* 64 * LANCE registers. 65 * The real stuff is in dev/ic/am7990reg.h 66 */ 67 struct lereg1 { 68 volatile uint16_t ler1_rdp; /* data port */ 69 volatile uint16_t ler1_rap; /* register select port */ 70 }; 71 72 /* 73 * Ethernet software status per interface. 74 * The real stuff is in dev/ic/am7990var.h 75 */ 76 struct le_softc { 77 struct am7990_softc sc_am7990; /* glue to MI code */ 78 79 struct lereg1 *sc_r1; /* LANCE registers */ 80 }; 81 82 static int le_match(device_t, cfdata_t, void *); 83 static void le_attach(device_t, device_t, void *); 84 85 CFATTACH_DECL_NEW(le, sizeof(struct le_softc), 86 le_match, le_attach, NULL, NULL); 87 88 #if defined(_KERNEL_OPT) 89 #include "opt_ddb.h" 90 #endif 91 92 #ifdef DDB 93 #define integrate 94 #define hide 95 #else 96 #define integrate static inline 97 #define hide static 98 #endif 99 100 hide void lewrcsr(struct lance_softc *, uint16_t, uint16_t); 101 hide uint16_t lerdcsr(struct lance_softc *, uint16_t); 102 103 hide void 104 lewrcsr(struct lance_softc *sc, uint16_t port, uint16_t val) 105 { 106 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 107 108 ler1->ler1_rap = port; 109 ler1->ler1_rdp = val; 110 } 111 112 hide uint16_t 113 lerdcsr(struct lance_softc *sc, uint16_t port) 114 { 115 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 116 uint16_t val; 117 118 ler1->ler1_rap = port; 119 val = ler1->ler1_rdp; 120 return val; 121 } 122 123 int 124 le_match(device_t parent, cfdata_t cf, void *aux) 125 { 126 struct hb_attach_args *ha = aux; 127 128 if (strcmp(ha->ha_name, "le")) 129 return 0; 130 131 if (hb_badaddr((void *)ha->ha_addr, 1)) /* XXX */ 132 return 0; 133 134 return 1; 135 } 136 137 void 138 le_attach(device_t parent, device_t self, void *aux) 139 { 140 struct le_softc *lesc = device_private(self); 141 struct lance_softc *sc = &lesc->sc_am7990.lsc; 142 struct hb_attach_args *ha = aux; 143 int intlevel, intmask; 144 uint8_t *p; 145 146 sc->sc_dev = self; 147 intlevel = ha->ha_level; 148 if (intlevel == -1) { 149 aprint_error(": interrupt level not configured\n"); 150 return; 151 } 152 aprint_normal(" level %d", intlevel); 153 154 switch (ha->ha_addr) { 155 156 case LANCE_PORT: 157 sc->sc_mem = (void *)LANCE_MEMORY; 158 p = (uint8_t *)(ETHER_ID + 16); 159 intmask = INTST1_LANCE; 160 break; 161 case LANCE_PORT1: 162 sc->sc_mem = (void *)LANCE_MEMORY1; 163 p = (uint8_t *)(ETHER_ID1 + 16); 164 intmask = INTST1_SLOT3; /* XXX not tested */ 165 break; 166 case LANCE_PORT2: 167 sc->sc_mem = (void *)LANCE_MEMORY2; 168 p = (uint8_t *)(ETHER_ID2 + 16); 169 intmask = INTST1_SLOT3; /* XXX not tested */ 170 break; 171 172 default: 173 aprint_error(": unknown LANCE addr\n"); 174 return; 175 } 176 177 lesc->sc_r1 = (void *)ha->ha_addr; 178 179 sc->sc_memsize = 0x4000; /* 16K */ 180 sc->sc_addr = (int)sc->sc_mem & 0x00ffffff; 181 sc->sc_conf3 = LE_C3_BSWP|LE_C3_BCON; 182 183 sc->sc_enaddr[0] = (*p++ << 4); 184 sc->sc_enaddr[0] |= *p++ & 0x0f; 185 sc->sc_enaddr[1] = (*p++ << 4); 186 sc->sc_enaddr[1] |= *p++ & 0x0f; 187 sc->sc_enaddr[2] = (*p++ << 4); 188 sc->sc_enaddr[2] |= *p++ & 0x0f; 189 sc->sc_enaddr[3] = (*p++ << 4); 190 sc->sc_enaddr[3] |= *p++ & 0x0f; 191 sc->sc_enaddr[4] = (*p++ << 4); 192 sc->sc_enaddr[4] |= *p++ & 0x0f; 193 sc->sc_enaddr[5] = (*p++ << 4); 194 sc->sc_enaddr[5] |= *p++ & 0x0f; 195 196 sc->sc_copytodesc = lance_copytobuf_contig; 197 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 198 sc->sc_copytobuf = lance_copytobuf_contig; 199 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 200 sc->sc_zerobuf = lance_zerobuf_contig; 201 202 sc->sc_rdcsr = lerdcsr; 203 sc->sc_wrcsr = lewrcsr; 204 sc->sc_hwinit = NULL; 205 206 am7990_config(&lesc->sc_am7990); 207 hb_intr_establish(intlevel, intmask, IPL_NET, am7990_intr, sc); 208 } 209