1 /* $NetBSD: if_le.c,v 1.15 2005/12/24 20:07:20 perry 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * news68k/dev/if_le.c - based on newsmips/dev/if_le.c 41 */ 42 43 #include <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.15 2005/12/24 20:07:20 perry Exp $"); 45 46 #include "opt_inet.h" 47 #include "bpfilter.h" 48 49 #include <sys/param.h> 50 #include <sys/systm.h> 51 #include <sys/mbuf.h> 52 #include <sys/socket.h> 53 #include <sys/device.h> 54 55 #include <net/if.h> 56 #include <net/if_ether.h> 57 #include <net/if_media.h> 58 59 #ifdef INET 60 #include <netinet/in.h> 61 #include <netinet/if_inarp.h> 62 #endif 63 64 #include <machine/cpu.h> 65 66 #include <news68k/dev/hbvar.h> 67 68 #include <dev/ic/lancereg.h> 69 #include <dev/ic/lancevar.h> 70 #include <dev/ic/am7990reg.h> 71 #include <dev/ic/am7990var.h> 72 73 #include "ioconf.h" 74 75 /* 76 * LANCE registers. 77 * The real stuff is in dev/ic/am7990reg.h 78 */ 79 struct lereg1 { 80 volatile uint16_t ler1_rdp; /* data port */ 81 volatile uint16_t ler1_rap; /* register select port */ 82 }; 83 84 /* 85 * Ethernet software status per interface. 86 * The real stuff is in dev/ic/am7990var.h 87 */ 88 struct le_softc { 89 struct am7990_softc sc_am7990; /* glue to MI code */ 90 91 struct lereg1 *sc_r1; /* LANCE registers */ 92 }; 93 94 static int le_match(struct device *, struct cfdata *, void *); 95 static void le_attach(struct device *, struct device *, void *); 96 97 CFATTACH_DECL(le, sizeof(struct le_softc), 98 le_match, le_attach, NULL, NULL); 99 100 extern const uint8_t *idrom_addr; 101 extern uint32_t lance_mem_phys; 102 103 #if defined(_KERNEL_OPT) 104 #include "opt_ddb.h" 105 #endif 106 107 #ifdef DDB 108 #define integrate 109 #define hide 110 #else 111 #define integrate static inline 112 #define hide static 113 #endif 114 115 hide void lewrcsr(struct lance_softc *, uint16_t, uint16_t); 116 hide uint16_t lerdcsr(struct lance_softc *, uint16_t); 117 int leintr(int); 118 119 hide void 120 lewrcsr(struct lance_softc *sc, uint16_t port, uint16_t val) 121 { 122 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 123 124 ler1->ler1_rap = port; 125 ler1->ler1_rdp = val; 126 } 127 128 hide uint16_t 129 lerdcsr(struct lance_softc *sc, uint16_t port) 130 { 131 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 132 uint16_t val; 133 134 ler1->ler1_rap = port; 135 val = ler1->ler1_rdp; 136 return val; 137 } 138 139 int 140 le_match(struct device *parent, struct cfdata *cf, void *aux) 141 { 142 struct hb_attach_args *ha = aux; 143 int addr; 144 145 if (strcmp(ha->ha_name, "le")) 146 return 0; 147 148 addr = IIOV(ha->ha_address); 149 150 if (badaddr((void *)addr, 1)) 151 return 0; 152 153 return 1; 154 } 155 156 void 157 le_attach(struct device *parent, struct device *self, void *aux) 158 { 159 struct le_softc *lesc = (struct le_softc *)self; 160 struct lance_softc *sc = &lesc->sc_am7990.lsc; 161 struct hb_attach_args *ha = aux; 162 const uint8_t *p; 163 164 lesc->sc_r1 = (void *)IIOV(ha->ha_address); 165 166 if (ISIIOPA(ha->ha_address)) { 167 sc->sc_mem = (u_char *)IIOV(lance_mem_phys); 168 p = idrom_addr + 0x10; 169 } else { 170 sc->sc_mem = lesc->sc_r1 - 0x10000; 171 p = (const uint8_t *)(lesc->sc_r1 + 0x8010); 172 } 173 174 sc->sc_memsize = 0x4000; /* 16K */ 175 sc->sc_addr = lance_mem_phys & 0x00ffffff; 176 sc->sc_conf3 = LE_C3_BSWP|LE_C3_BCON; 177 178 sc->sc_enaddr[0] = (*p++ << 4); 179 sc->sc_enaddr[0] |= *p++ & 0x0f; 180 sc->sc_enaddr[1] = (*p++ << 4); 181 sc->sc_enaddr[1] |= *p++ & 0x0f; 182 sc->sc_enaddr[2] = (*p++ << 4); 183 sc->sc_enaddr[2] |= *p++ & 0x0f; 184 sc->sc_enaddr[3] = (*p++ << 4); 185 sc->sc_enaddr[3] |= *p++ & 0x0f; 186 sc->sc_enaddr[4] = (*p++ << 4); 187 sc->sc_enaddr[4] |= *p++ & 0x0f; 188 sc->sc_enaddr[5] = (*p++ << 4); 189 sc->sc_enaddr[5] |= *p++ & 0x0f; 190 191 sc->sc_copytodesc = lance_copytobuf_contig; 192 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 193 sc->sc_copytobuf = lance_copytobuf_contig; 194 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 195 sc->sc_zerobuf = lance_zerobuf_contig; 196 197 sc->sc_rdcsr = lerdcsr; 198 sc->sc_wrcsr = lewrcsr; 199 sc->sc_hwinit = NULL; 200 201 am7990_config(&lesc->sc_am7990); 202 } 203 204 int 205 leintr(int unit) 206 { 207 struct am7990_softc *sc; 208 209 if (unit >= le_cd.cd_ndevs) 210 return 0; 211 212 sc = le_cd.cd_devs[unit]; 213 return am7990_intr(sc); 214 } 215