if_le.c revision 1.37.4.2
1 /* $NetBSD: if_le.c,v 1.37.4.2 1997/03/10 16:08:26 is 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 #include <net/if_ether.h> 53 54 #ifdef INET 55 #include <netinet/in.h> 56 #include <netinet/if_inarp.h> 57 #endif 58 59 #include <machine/autoconf.h> 60 #include <machine/cpu.h> 61 #include <machine/mtpr.h> 62 63 #include <hp300/hp300/isr.h> 64 65 #ifdef USELEDS 66 #include <hp300/hp300/led.h> 67 #endif 68 69 #include <dev/ic/am7990reg.h> 70 #include <dev/ic/am7990var.h> 71 72 #include <hp300/dev/dioreg.h> 73 #include <hp300/dev/diovar.h> 74 #include <hp300/dev/diodevs.h> 75 #include <hp300/dev/if_lereg.h> 76 #include <hp300/dev/if_levar.h> 77 78 int lematch __P((struct device *, struct cfdata *, void *)); 79 void leattach __P((struct device *, struct device *, void *)); 80 81 struct cfattach le_ca = { 82 sizeof(struct le_softc), lematch, leattach 83 }; 84 85 int leintr __P((void *)); 86 87 /* offsets for: ID, REGS, MEM, NVRAM */ 88 int lestd[] = { 0, 0x4000, 0x8000, 0xC008 }; 89 90 hide void lewrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t)); 91 hide u_int16_t lerdcsr __P((struct am7990_softc *, u_int16_t)); 92 93 hide void 94 lewrcsr(sc, port, val) 95 struct am7990_softc *sc; 96 u_int16_t port, val; 97 { 98 register struct lereg0 *ler0 = ((struct le_softc *)sc)->sc_r0; 99 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 100 101 do { 102 ler1->ler1_rap = port; 103 } while ((ler0->ler0_status & LE_ACK) == 0); 104 do { 105 ler1->ler1_rdp = val; 106 } while ((ler0->ler0_status & LE_ACK) == 0); 107 } 108 109 hide u_int16_t 110 lerdcsr(sc, port) 111 struct am7990_softc *sc; 112 u_int16_t port; 113 { 114 register struct lereg0 *ler0 = ((struct le_softc *)sc)->sc_r0; 115 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 116 u_int16_t val; 117 118 do { 119 ler1->ler1_rap = port; 120 } while ((ler0->ler0_status & LE_ACK) == 0); 121 do { 122 val = ler1->ler1_rdp; 123 } while ((ler0->ler0_status & LE_ACK) == 0); 124 return (val); 125 } 126 127 int 128 lematch(parent, match, aux) 129 struct device *parent; 130 struct cfdata *match; 131 void *aux; 132 { 133 struct dio_attach_args *da = aux; 134 135 if (da->da_id == DIO_DEVICE_ID_LAN) 136 return (1); 137 return (0); 138 } 139 140 /* 141 * Interface exists: make available by filling in network interface 142 * record. System will initialize the interface when it is ready 143 * to accept packets. 144 */ 145 void 146 leattach(parent, self, aux) 147 struct device *parent, *self; 148 void *aux; 149 { 150 register struct lereg0 *ler0; 151 struct dio_attach_args *da = aux; 152 struct le_softc *lesc = (struct le_softc *)self; 153 caddr_t addr; 154 struct am7990_softc *sc = &lesc->sc_am7990; 155 char *cp; 156 int i, ipl; 157 158 addr = iomap(dio_scodetopa(da->da_scode), da->da_size); 159 if (addr == 0) { 160 printf("\n%s: can't map LANCE registers\n", 161 sc->sc_dev.dv_xname); 162 return; 163 } 164 165 ler0 = lesc->sc_r0 = (struct lereg0 *)(lestd[0] + (int)addr); 166 ler0->ler0_id = 0xFF; 167 DELAY(100); 168 169 ipl = DIO_IPL(addr); 170 printf(" ipl %d", ipl); 171 172 lesc->sc_r1 = (struct lereg1 *)(lestd[1] + (int)addr); 173 sc->sc_mem = (void *)(lestd[2] + (int)addr); 174 sc->sc_conf3 = LE_C3_BSWP; 175 sc->sc_addr = 0; 176 sc->sc_memsize = 16384; 177 178 /* 179 * Read the ethernet address off the board, one nibble at a time. 180 */ 181 cp = (char *)(lestd[3] + (int)addr); 182 for (i = 0; i < sizeof(sc->sc_enaddr); i++) { 183 sc->sc_enaddr[i] = (*++cp & 0xF) << 4; 184 cp++; 185 sc->sc_enaddr[i] |= *++cp & 0xF; 186 cp++; 187 } 188 189 sc->sc_copytodesc = am7990_copytobuf_contig; 190 sc->sc_copyfromdesc = am7990_copyfrombuf_contig; 191 sc->sc_copytobuf = am7990_copytobuf_contig; 192 sc->sc_copyfrombuf = am7990_copyfrombuf_contig; 193 sc->sc_zerobuf = am7990_zerobuf_contig; 194 195 sc->sc_rdcsr = lerdcsr; 196 sc->sc_wrcsr = lewrcsr; 197 sc->sc_hwinit = NULL; 198 199 am7990_config(sc); 200 201 /* Establish the interrupt handler. */ 202 (void) isrlink(leintr, sc, ipl, ISRPRI_NET); 203 ler0->ler0_status = LE_IE; 204 } 205 206 int 207 leintr(arg) 208 void *arg; 209 { 210 struct am7990_softc *sc = arg; 211 u_int16_t isr; 212 213 #ifdef USELEDS 214 isr = lerdcsr(sc, LE_CSR0); 215 216 if ((isr & LE_C0_INTR) == 0) 217 return (0); 218 219 if (isr & LE_C0_RINT) 220 if (inledcontrol == 0) 221 ledcontrol(0, 0, LED_LANRCV); 222 223 if (isr & LE_C0_TINT) 224 if (inledcontrol == 0) 225 ledcontrol(0, 0, LED_LANXMT); 226 #endif /* USELEDS */ 227 228 return (am7990_intr(sc)); 229 } 230
Indexes created Mon Oct 20 05:10:11 GMT 2025