1 /* $NetBSD: if_le.c,v 1.10 1996/05/29 04:27:11 chuck 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 <vm/vm.h> 59 60 #include <machine/autoconf.h> 61 #include <machine/cpu.h> 62 #include <machine/pmap.h> 63 64 #include <mvme68k/dev/pccreg.h> 65 #include <mvme68k/dev/pccvar.h> 66 67 #include <dev/ic/am7990reg.h> 68 #include <dev/ic/am7990var.h> 69 70 #include <mvme68k/dev/if_lereg.h> 71 #include <mvme68k/dev/if_levar.h> 72 73 int le_pcc_match __P((struct device *, void *, void *)); 74 void le_pcc_attach __P((struct device *, struct device *, void *)); 75 76 struct cfattach le_pcc_ca = { 77 sizeof(struct le_softc), le_pcc_match, le_pcc_attach 78 }; 79 80 hide void le_pcc_wrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t)); 81 hide u_int16_t le_pcc_rdcsr __P((struct am7990_softc *, u_int16_t)); 82 83 void *ledatabuf; /* XXXCDC hack from pmap bootstrap */ 84 85 hide void 86 le_pcc_wrcsr(sc, port, val) 87 struct am7990_softc *sc; 88 u_int16_t port, val; 89 { 90 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 91 92 ler1->ler1_rap = port; 93 ler1->ler1_rdp = val; 94 } 95 96 hide u_int16_t 97 le_pcc_rdcsr(sc, port) 98 struct am7990_softc *sc; 99 u_int16_t port; 100 { 101 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 102 u_int16_t val; 103 104 ler1->ler1_rap = port; 105 val = ler1->ler1_rdp; 106 return (val); 107 } 108 109 int 110 le_pcc_match(parent, match, aux) 111 struct device *parent; 112 void *match, *aux; 113 { 114 struct cfdata *cf = match; 115 struct pcc_attach_args *pa = aux; 116 117 if (strcmp(pa->pa_name, le_cd.cd_name)) 118 return (0); 119 120 pa->pa_ipl = cf->pcccf_ipl; 121 return (1); 122 } 123 124 void 125 le_pcc_attach(parent, self, aux) 126 struct device *parent, *self; 127 void *aux; 128 { 129 struct le_softc *lesc = (void *)self; 130 struct am7990_softc *sc = &lesc->sc_am7990; 131 struct pcc_attach_args *pa = aux; 132 133 /* XXX the following declarations should be elsewhere */ 134 extern void myetheraddr __P((u_char *)); 135 136 /* Map control registers. */ 137 lesc->sc_r1 = (struct lereg1 *)PCC_VADDR(pa->pa_offset); 138 139 sc->sc_mem = ledatabuf; /* XXX */ 140 sc->sc_conf3 = LE_C3_BSWP; 141 sc->sc_addr = (u_long)sc->sc_mem; 142 sc->sc_memsize = 4 * NBPG; /* XXX */ 143 144 myetheraddr(sc->sc_arpcom.ac_enaddr); 145 146 sc->sc_copytodesc = am7990_copytobuf_contig; 147 sc->sc_copyfromdesc = am7990_copyfrombuf_contig; 148 sc->sc_copytobuf = am7990_copytobuf_contig; 149 sc->sc_copyfrombuf = am7990_copyfrombuf_contig; 150 sc->sc_zerobuf = am7990_zerobuf_contig; 151 152 sc->sc_rdcsr = le_pcc_rdcsr; 153 sc->sc_wrcsr = le_pcc_wrcsr; 154 sc->sc_hwinit = NULL; 155 156 am7990_config(sc); 157 158 /* Are we the boot device? */ 159 if (PCC_PADDR(pa->pa_offset) == bootaddr) 160 bootdv = self; 161 162 pccintr_establish(PCCV_LE, am7990_intr, pa->pa_ipl, sc); 163 sys_pcc->le_int = pa->pa_ipl | PCC_IENABLE; 164 } 165