1 /* $NetBSD: if_le.c,v 1.29 1996/05/07 01:32:31 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/dvma.h> 61 #include <machine/isr.h> 62 #include <machine/obio.h> 63 #include <machine/idprom.h> 64 65 #include <dev/ic/am7990reg.h> 66 #include <dev/ic/am7990var.h> 67 68 #include <sun3/dev/if_lereg.h> 69 #include <sun3/dev/if_levar.h> 70 71 static int le_match __P((struct device *, void *, void *)); 72 static void le_attach __P((struct device *, struct device *, void *)); 73 74 struct cfattach le_ca = { 75 sizeof(struct le_softc), le_match, le_attach 76 }; 77 78 hide void lewrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t)); 79 hide u_int16_t lerdcsr __P((struct am7990_softc *, u_int16_t)); 80 81 hide void 82 lewrcsr(sc, port, val) 83 struct am7990_softc *sc; 84 u_int16_t port, val; 85 { 86 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 87 88 ler1->ler1_rap = port; 89 ler1->ler1_rdp = val; 90 } 91 92 hide u_int16_t 93 lerdcsr(sc, port) 94 struct am7990_softc *sc; 95 u_int16_t port; 96 { 97 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 98 u_int16_t val; 99 100 ler1->ler1_rap = port; 101 val = ler1->ler1_rdp; 102 return (val); 103 } 104 105 int 106 le_match(parent, vcf, aux) 107 struct device *parent; 108 void *vcf, *aux; 109 { 110 struct cfdata *cf = vcf; 111 struct confargs *ca = aux; 112 int pa, x; 113 114 /* 115 * OBIO match functions may be called for every possible 116 * physical address, so match only our physical address. 117 */ 118 if ((pa = cf->cf_paddr) == -1) { 119 /* Use our default PA. */ 120 pa = OBIO_AMD_ETHER; 121 } 122 if (pa != ca->ca_paddr) 123 return (0); 124 125 /* The peek returns -1 on bus error. */ 126 x = bus_peek(ca->ca_bustype, ca->ca_paddr, 1); 127 return (x != -1); 128 } 129 130 void 131 le_attach(parent, self, aux) 132 struct device *parent, *self; 133 void *aux; 134 { 135 struct le_softc *lesc = (struct le_softc *)self; 136 struct am7990_softc *sc = &lesc->sc_am7990; 137 struct cfdata *cf = self->dv_cfdata; 138 struct confargs *ca = aux; 139 int intpri; 140 141 /* Default interrupt level. */ 142 if ((intpri = cf->cf_intpri) == -1) 143 intpri = 3; 144 printf(" level %d", intpri); 145 146 lesc->sc_r1 = (struct lereg1 *) 147 obio_alloc(ca->ca_paddr, OBIO_AMD_ETHER_SIZE); 148 149 sc->sc_memsize = 0x4000; /* 16K */ 150 sc->sc_mem = dvma_malloc(sc->sc_memsize); 151 sc->sc_addr = (u_long)sc->sc_mem & 0xffffff; 152 sc->sc_conf3 = LE_C3_BSWP; 153 154 idprom_etheraddr(sc->sc_arpcom.ac_enaddr); 155 156 sc->sc_copytodesc = am7990_copytobuf_contig; 157 sc->sc_copyfromdesc = am7990_copyfrombuf_contig; 158 sc->sc_copytobuf = am7990_copytobuf_contig; 159 sc->sc_copyfrombuf = am7990_copyfrombuf_contig; 160 sc->sc_zerobuf = am7990_zerobuf_contig; 161 162 sc->sc_rdcsr = lerdcsr; 163 sc->sc_wrcsr = lewrcsr; 164 sc->sc_hwinit = NULL; 165 166 am7990_config(sc); 167 168 /* Install interrupt handler. */ 169 isr_add_autovect(am7990_intr, (void *)sc, intpri); 170 } 171