if_le.c revision 1.36
1 /* $NetBSD: if_le.c,v 1.36 1996/12/17 08:41:13 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1995 Charles M. Hannum. All rights reserved. 5 * Copyright (c) 1992, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Ralph Campbell and Rick Macklem. 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 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the University of 22 * California, Berkeley and its contributors. 23 * 4. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 40 */ 41 42 #include "bpfilter.h" 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/mbuf.h> 47 #include <sys/syslog.h> 48 #include <sys/socket.h> 49 #include <sys/device.h> 50 51 #include <net/if.h> 52 53 #ifdef INET 54 #include <netinet/in.h> 55 #include <netinet/if_ether.h> 56 #endif 57 58 #include <machine/autoconf.h> 59 #include <machine/cpu.h> 60 #include <machine/mtpr.h> 61 62 #include <hp300/hp300/isr.h> 63 64 #ifdef USELEDS 65 #include <hp300/hp300/led.h> 66 #endif 67 68 #ifndef NEWCONFIG 69 #include <hp300/dev/device.h> 70 #endif 71 72 #include <dev/ic/am7990reg.h> 73 #include <dev/ic/am7990var.h> 74 75 #include <hp300/dev/dioreg.h> 76 #include <hp300/dev/diovar.h> 77 #include <hp300/dev/diodevs.h> 78 #include <hp300/dev/if_lereg.h> 79 #include <hp300/dev/if_levar.h> 80 81 #ifdef NEWCONFIG 82 int lematch __P((struct device *, struct cfdata *, void *)); 83 void leattach __P((struct device *, struct device *, void *)); 84 85 struct cfattach le_ca = { 86 sizeof(struct le_softc), lematch, leattach 87 }; 88 #else /* ! NEWCONFIG */ 89 #include "le.h" 90 struct le_softc le_softc[NLE]; 91 92 int lematch __P((struct hp_device *)); 93 void leattach __P((struct hp_device *)); 94 95 struct driver ledriver = { 96 lematch, leattach, "le", 97 }; 98 #endif /* NEWCONFIG */ 99 100 int leintr __P((void *)); 101 102 /* offsets for: ID, REGS, MEM, NVRAM */ 103 int lestd[] = { 0, 0x4000, 0x8000, 0xC008 }; 104 105 hide void lewrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t)); 106 hide u_int16_t lerdcsr __P((struct am7990_softc *, u_int16_t)); 107 108 hide void 109 lewrcsr(sc, port, val) 110 struct am7990_softc *sc; 111 u_int16_t port, val; 112 { 113 register struct lereg0 *ler0 = ((struct le_softc *)sc)->sc_r0; 114 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 115 116 do { 117 ler1->ler1_rap = port; 118 } while ((ler0->ler0_status & LE_ACK) == 0); 119 do { 120 ler1->ler1_rdp = val; 121 } while ((ler0->ler0_status & LE_ACK) == 0); 122 } 123 124 hide u_int16_t 125 lerdcsr(sc, port) 126 struct am7990_softc *sc; 127 u_int16_t port; 128 { 129 register struct lereg0 *ler0 = ((struct le_softc *)sc)->sc_r0; 130 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 131 u_int16_t val; 132 133 do { 134 ler1->ler1_rap = port; 135 } while ((ler0->ler0_status & LE_ACK) == 0); 136 do { 137 val = ler1->ler1_rdp; 138 } while ((ler0->ler0_status & LE_ACK) == 0); 139 return (val); 140 } 141 142 #ifdef NEWCONFIG 143 int 144 lematch(parent, match, aux) 145 struct device *parent; 146 struct cfdata *match; 147 void *aux; 148 { 149 struct dio_attach_args *da = aux; 150 151 if (da->da_id == DIO_DEVICE_ID_LAN) 152 return (1); 153 return (0); 154 } 155 #else /* ! NEWCONFIG */ 156 int 157 lematch(hd) 158 struct hp_device *hd; 159 { 160 register struct lereg0 *ler0; 161 struct le_softc *lesc = &le_softc[hd->hp_unit]; 162 163 ler0 = (struct lereg0 *)(lestd[0] + (int)hd->hp_addr); 164 if (ler0->ler0_id != LEID) 165 return (0); 166 167 hd->hp_ipl = LE_IPL(ler0->ler0_status); 168 lesc->sc_hd = hd; 169 170 return (1); 171 } 172 #endif /* NEWCONFIG */ 173 174 /* 175 * Interface exists: make available by filling in network interface 176 * record. System will initialize the interface when it is ready 177 * to accept packets. 178 */ 179 #ifdef NEWCONFIG 180 void 181 leattach(parent, self, aux) 182 struct device *parent, *self; 183 void *aux; 184 #else /* ! NEWCONFIG */ 185 void 186 leattach(hd) 187 struct hp_device *hd; 188 #endif /* NEWCONFIG */ 189 { 190 register struct lereg0 *ler0; 191 #ifdef NEWCONFIG 192 struct dio_attach_args *da = aux; 193 struct le_softc *lesc = (struct le_softc *)self; 194 caddr_t addr; 195 #else 196 struct le_softc *lesc = &le_softc[hd->hp_unit]; 197 caddr_t addr = hd->hp_addr; 198 #endif /* NEWCONFIG */ 199 struct am7990_softc *sc = &lesc->sc_am7990; 200 char *cp; 201 int i, ipl; 202 203 #ifdef NEWCONFIG 204 addr = iomap(dio_scodetopa(da->da_scode), da->da_size); 205 if (addr == 0) { 206 printf("\n%s: can't map LANCE registers\n", 207 sc->sc_dev.dv_xname); 208 return; 209 } 210 #endif /* NEWCONFIG */ 211 212 ler0 = lesc->sc_r0 = (struct lereg0 *)(lestd[0] + (int)addr); 213 ler0->ler0_id = 0xFF; 214 DELAY(100); 215 216 #ifdef NEWCONFIG 217 ipl = DIO_IPL(addr); 218 printf(" ipl %d", ipl); 219 #else /* ! NEWCONFIG */ 220 /* XXXX kluge for now */ 221 hd->hp_dev.dv_class = DV_IFNET; 222 bcopy(&hd->hp_dev, &sc->sc_dev, sizeof(struct device)); 223 ipl = hd->hp_ipl; 224 #endif /* NEWCONFIG */ 225 226 lesc->sc_r1 = (struct lereg1 *)(lestd[1] + (int)addr); 227 sc->sc_mem = (void *)(lestd[2] + (int)addr); 228 sc->sc_conf3 = LE_C3_BSWP; 229 sc->sc_addr = 0; 230 sc->sc_memsize = 16384; 231 232 /* 233 * Read the ethernet address off the board, one nibble at a time. 234 */ 235 cp = (char *)(lestd[3] + (int)addr); 236 for (i = 0; i < sizeof(sc->sc_arpcom.ac_enaddr); i++) { 237 sc->sc_arpcom.ac_enaddr[i] = (*++cp & 0xF) << 4; 238 cp++; 239 sc->sc_arpcom.ac_enaddr[i] |= *++cp & 0xF; 240 cp++; 241 } 242 243 sc->sc_copytodesc = am7990_copytobuf_contig; 244 sc->sc_copyfromdesc = am7990_copyfrombuf_contig; 245 sc->sc_copytobuf = am7990_copytobuf_contig; 246 sc->sc_copyfrombuf = am7990_copyfrombuf_contig; 247 sc->sc_zerobuf = am7990_zerobuf_contig; 248 249 sc->sc_rdcsr = lerdcsr; 250 sc->sc_wrcsr = lewrcsr; 251 sc->sc_hwinit = NULL; 252 253 am7990_config(sc); 254 255 /* Establish the interrupt handler. */ 256 (void) isrlink(leintr, sc, ipl, ISRPRI_NET); 257 ler0->ler0_status = LE_IE; 258 } 259 260 int 261 leintr(arg) 262 void *arg; 263 { 264 struct am7990_softc *sc = arg; 265 u_int16_t isr; 266 267 #ifdef USELEDS 268 isr = lerdcsr(sc, LE_CSR0); 269 270 if ((isr & LE_C0_INTR) == 0) 271 return (0); 272 273 if (isr & LE_C0_RINT) 274 if (inledcontrol == 0) 275 ledcontrol(0, 0, LED_LANRCV); 276 277 if (isr & LE_C0_TINT) 278 if (inledcontrol == 0) 279 ledcontrol(0, 0, LED_LANXMT); 280 #endif /* USELEDS */ 281 282 return (am7990_intr(sc)); 283 } 284
Indexes created Wed Sep 24 05:09:52 GMT 2025