if_le.c revision 1.15.74.1
1 /* $NetBSD: if_le.c,v 1.15.74.1 2008/06/02 13:22:28 mjf 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 /* 33 * news68k/dev/if_le.c - based on newsmips/dev/if_le.c 34 */ 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.15.74.1 2008/06/02 13:22:28 mjf Exp $"); 38 39 #include "opt_inet.h" 40 #include "bpfilter.h" 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/mbuf.h> 45 #include <sys/socket.h> 46 #include <sys/device.h> 47 48 #include <net/if.h> 49 #include <net/if_ether.h> 50 #include <net/if_media.h> 51 52 #ifdef INET 53 #include <netinet/in.h> 54 #include <netinet/if_inarp.h> 55 #endif 56 57 #include <machine/cpu.h> 58 59 #include <news68k/dev/hbvar.h> 60 61 #include <dev/ic/lancereg.h> 62 #include <dev/ic/lancevar.h> 63 #include <dev/ic/am7990reg.h> 64 #include <dev/ic/am7990var.h> 65 66 #include "ioconf.h" 67 68 /* 69 * LANCE registers. 70 * The real stuff is in dev/ic/am7990reg.h 71 */ 72 struct lereg1 { 73 volatile uint16_t ler1_rdp; /* data port */ 74 volatile uint16_t ler1_rap; /* register select port */ 75 }; 76 77 /* 78 * Ethernet software status per interface. 79 * The real stuff is in dev/ic/am7990var.h 80 */ 81 struct le_softc { 82 struct am7990_softc sc_am7990; /* glue to MI code */ 83 84 struct lereg1 *sc_r1; /* LANCE registers */ 85 }; 86 87 static int le_match(device_t, cfdata_t, void *); 88 static void le_attach(device_t, device_t, void *); 89 90 CFATTACH_DECL_NEW(le, sizeof(struct le_softc), 91 le_match, le_attach, NULL, NULL); 92 93 extern const uint8_t *idrom_addr; 94 extern uint32_t lance_mem_phys; 95 96 #if defined(_KERNEL_OPT) 97 #include "opt_ddb.h" 98 #endif 99 100 #ifdef DDB 101 #define integrate 102 #define hide 103 #else 104 #define integrate static inline 105 #define hide static 106 #endif 107 108 hide void lewrcsr(struct lance_softc *, uint16_t, uint16_t); 109 hide uint16_t lerdcsr(struct lance_softc *, uint16_t); 110 int leintr(int); 111 112 hide void 113 lewrcsr(struct lance_softc *sc, uint16_t port, uint16_t val) 114 { 115 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 116 117 ler1->ler1_rap = port; 118 ler1->ler1_rdp = val; 119 } 120 121 hide uint16_t 122 lerdcsr(struct lance_softc *sc, uint16_t port) 123 { 124 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 125 uint16_t val; 126 127 ler1->ler1_rap = port; 128 val = ler1->ler1_rdp; 129 return val; 130 } 131 132 int 133 le_match(device_t parent, cfdata_t cf, void *aux) 134 { 135 struct hb_attach_args *ha = aux; 136 int addr; 137 138 if (strcmp(ha->ha_name, "le")) 139 return 0; 140 141 addr = IIOV(ha->ha_address); 142 143 if (badaddr((void *)addr, 1)) 144 return 0; 145 146 return 1; 147 } 148 149 void 150 le_attach(device_t parent, device_t self, void *aux) 151 { 152 struct le_softc *lesc = device_private(self); 153 struct lance_softc *sc = &lesc->sc_am7990.lsc; 154 struct hb_attach_args *ha = aux; 155 const uint8_t *p; 156 157 sc->sc_dev = self; 158 lesc->sc_r1 = (void *)IIOV(ha->ha_address); 159 160 if (ISIIOPA(ha->ha_address)) { 161 sc->sc_mem = (u_char *)IIOV(lance_mem_phys); 162 p = idrom_addr + 0x10; 163 } else { 164 sc->sc_mem = lesc->sc_r1 - 0x10000; 165 p = (const uint8_t *)(lesc->sc_r1 + 0x8010); 166 } 167 168 sc->sc_memsize = 0x4000; /* 16K */ 169 sc->sc_addr = lance_mem_phys & 0x00ffffff; 170 sc->sc_conf3 = LE_C3_BSWP|LE_C3_BCON; 171 172 sc->sc_enaddr[0] = (*p++ << 4); 173 sc->sc_enaddr[0] |= *p++ & 0x0f; 174 sc->sc_enaddr[1] = (*p++ << 4); 175 sc->sc_enaddr[1] |= *p++ & 0x0f; 176 sc->sc_enaddr[2] = (*p++ << 4); 177 sc->sc_enaddr[2] |= *p++ & 0x0f; 178 sc->sc_enaddr[3] = (*p++ << 4); 179 sc->sc_enaddr[3] |= *p++ & 0x0f; 180 sc->sc_enaddr[4] = (*p++ << 4); 181 sc->sc_enaddr[4] |= *p++ & 0x0f; 182 sc->sc_enaddr[5] = (*p++ << 4); 183 sc->sc_enaddr[5] |= *p++ & 0x0f; 184 185 sc->sc_copytodesc = lance_copytobuf_contig; 186 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 187 sc->sc_copytobuf = lance_copytobuf_contig; 188 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 189 sc->sc_zerobuf = lance_zerobuf_contig; 190 191 sc->sc_rdcsr = lerdcsr; 192 sc->sc_wrcsr = lewrcsr; 193 sc->sc_hwinit = NULL; 194 195 am7990_config(&lesc->sc_am7990); 196 } 197 198 int 199 leintr(int unit) 200 { 201 struct am7990_softc *sc; 202 203 if (unit >= le_cd.cd_ndevs) /* XXX */ 204 return 0; 205 206 sc = device_lookup_private(&le_cd, unit); 207 return am7990_intr(sc); 208 } 209
Indexes created Sun Oct 19 02:09:48 GMT 2025