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if_le.c revision 1.8 
      1 /*	$NetBSD: if_le.c,v 1.8 1996/05/07 01:10:58 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 <vm/vm.h>
     59 
     60 #include <machine/cpu.h>
     61 #include <machine/pmap.h>
     62 
     63 #include <mvme68k/dev/pccreg.h>
     64 #include <mvme68k/dev/pccvar.h>
     65 
     66 #include <dev/ic/am7990reg.h>
     67 #include <dev/ic/am7990var.h>
     68 
     69 #include <mvme68k/dev/if_lereg.h>
     70 #include <mvme68k/dev/if_levar.h>
     71 
     72 int	le_pcc_match __P((struct device *, void *, void *));
     73 void	le_pcc_attach __P((struct device *, struct device *, void *));
     74 
     75 struct cfattach le_pcc_ca = {
     76 	sizeof(struct le_softc), le_pcc_match, le_pcc_attach
     77 };
     78 
     79 hide void le_pcc_wrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t));
     80 hide u_int16_t le_pcc_rdcsr __P((struct am7990_softc *, u_int16_t));
     81 
     82 void *ledatabuf; /* XXXCDC hack from pmap bootstrap */
     83 
     84 hide void
     85 le_pcc_wrcsr(sc, port, val)
     86 	struct am7990_softc *sc;
     87 	u_int16_t port, val;
     88 {
     89 	register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
     90 
     91 	ler1->ler1_rap = port;
     92 	ler1->ler1_rdp = val;
     93 }
     94 
     95 hide u_int16_t
     96 le_pcc_rdcsr(sc, port)
     97 	struct am7990_softc *sc;
     98 	u_int16_t port;
     99 {
    100 	register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
    101 	u_int16_t val;
    102 
    103 	ler1->ler1_rap = port;
    104 	val = ler1->ler1_rdp;
    105 	return (val);
    106 }
    107 
    108 int
    109 le_pcc_match(parent, match, aux)
    110 	struct device *parent;
    111 	void *match, *aux;
    112 {
    113 	struct cfdata *cf = match;
    114 	struct pcc_attach_args *pa = aux;
    115 
    116 	if (strcmp(pa->pa_name, le_cd.cd_name))
    117 		return (0);
    118 
    119 	pa->pa_ipl = cf->pcccf_ipl;
    120 	return (1);
    121 }
    122 
    123 void
    124 le_pcc_attach(parent, self, aux)
    125 	struct device *parent, *self;
    126 	void *aux;
    127 {
    128 	struct le_softc *lesc = (void *)self;
    129 	struct am7990_softc *sc = &lesc->sc_am7990;
    130 	struct pcc_attach_args *pa = aux;
    131 
    132 	/* XXX the following declarations should be elsewhere */
    133 	extern void myetheraddr __P((u_char *));
    134 
    135 	/* Map control registers. */
    136 	lesc->sc_r1 = (struct lereg1 *)PCC_VADDR(pa->pa_offset);
    137 
    138 	sc->sc_mem = ledatabuf;		/* XXX */
    139 	sc->sc_conf3 = LE_C3_BSWP;
    140 	sc->sc_addr = (u_long)sc->sc_mem;
    141 	sc->sc_memsize = 4 * NBPG;	/* XXX */
    142 
    143 	myetheraddr(sc->sc_arpcom.ac_enaddr);
    144 
    145 	sc->sc_copytodesc = am7990_copytobuf_contig;
    146 	sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
    147 	sc->sc_copytobuf = am7990_copytobuf_contig;
    148 	sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
    149 	sc->sc_zerobuf = am7990_zerobuf_contig;
    150 
    151 	sc->sc_rdcsr = le_pcc_rdcsr;
    152 	sc->sc_wrcsr = le_pcc_wrcsr;
    153 	sc->sc_hwinit = NULL;
    154 
    155 	am7990_config(sc);
    156 
    157 	pccintr_establish(PCCV_LE, am7990_intr, pa->pa_ipl, sc);
    158 	sys_pcc->le_int = pa->pa_ipl | PCC_IENABLE;
    159 }
    160