text: /*	$NetBSD: if_le.c,v 1.14 1997/03/19 16:24:39 gwr Exp $	*/
  
  /*-
   * Copyright (c) 1995 Charles M. Hannum.  All rights reserved.
   * Copyright (c) 1992, 1993
   *	The Regents of the University of California.  All rights reserved.
   *
   * This code is derived from software contributed to Berkeley by
   * Ralph Campbell and Rick Macklem.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *	This product includes software developed by the University of
   *	California, Berkeley and its contributors.
   * 4. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   *	@(#)if_le.c	8.2 (Berkeley) 11/16/93
   */
  
  #include "bpfilter.h"
  
  #include <sys/param.h>
  #include <sys/systm.h>
  #include <sys/mbuf.h>
  #include <sys/syslog.h>
  #include <sys/socket.h>
  #include <sys/device.h>
  
  #include <net/if.h>
  #include <net/if_ether.h>
  #include <net/if_media.h>
  
  #ifdef INET
  #include <netinet/in.h>
  #include <netinet/if_inarp.h>
  #endif
  
  #include <vm/vm.h>
  
  #include <machine/autoconf.h>
  #include <machine/cpu.h>
  #include <machine/pmap.h>
  
  #include <mvme68k/dev/pccreg.h>
  #include <mvme68k/dev/pccvar.h>
  
  #include <dev/ic/am7990reg.h>
  #include <dev/ic/am7990var.h>
  
  #include <mvme68k/dev/if_lereg.h>
  #include <mvme68k/dev/if_levar.h>
  
  int 	le_pcc_match __P((struct device *, struct cfdata  *, void *));
  void	le_pcc_attach __P((struct device *, struct device *, void *));
  
  struct cfattach le_pcc_ca = {
  	sizeof(struct le_softc), le_pcc_match, le_pcc_attach
  };
  
  hide void le_pcc_wrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t));
  hide u_int16_t le_pcc_rdcsr __P((struct am7990_softc *, u_int16_t));
  
  void *ledatabuf; /* XXXCDC hack from pmap bootstrap */
  
  hide void
  le_pcc_wrcsr(sc, port, val)
  	struct am7990_softc *sc;
  	u_int16_t port, val;
  {
  	register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
  
  	ler1->ler1_rap = port;
  	ler1->ler1_rdp = val;
  }
  
  hide u_int16_t
  le_pcc_rdcsr(sc, port)
  	struct am7990_softc *sc;
  	u_int16_t port;
  {
  	register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
  	u_int16_t val;
  
  	ler1->ler1_rap = port;
  	val = ler1->ler1_rdp;
  	return (val);
  }
  
  int
  le_pcc_match(parent, cf, aux)
  	struct device *parent;
  	struct cfdata *cf;
  	void *aux;
  {
  	struct pcc_attach_args *pa = aux;
  
  	if (strcmp(pa->pa_name, le_cd.cd_name))
  		return (0);
  
  	pa->pa_ipl = cf->pcccf_ipl;
  	return (1);
  }
  
  void
  le_pcc_attach(parent, self, aux)
  	struct device *parent, *self;
  	void *aux;
  {
  	struct le_softc *lesc = (void *)self;
  	struct am7990_softc *sc = &lesc->sc_am7990;
  	struct pcc_attach_args *pa = aux;
  
  	/* XXX the following declarations should be elsewhere */
  	extern void myetheraddr __P((u_char *));
  
  	/* Map control registers. */
  	lesc->sc_r1 = (struct lereg1 *)PCC_VADDR(pa->pa_offset);
  
  	sc->sc_mem = ledatabuf;		/* XXX */
  	sc->sc_conf3 = LE_C3_BSWP;
  	sc->sc_addr = (u_long)sc->sc_mem;
  	sc->sc_memsize = 4 * NBPG;	/* XXX */
  
  	myetheraddr(sc->sc_enaddr);
  
  	sc->sc_copytodesc = am7990_copytobuf_contig;
  	sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
  	sc->sc_copytobuf = am7990_copytobuf_contig;
  	sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
  	sc->sc_zerobuf = am7990_zerobuf_contig;
  
  	sc->sc_rdcsr = le_pcc_rdcsr;
  	sc->sc_wrcsr = le_pcc_wrcsr;
  	sc->sc_hwinit = NULL;
  
  	am7990_config(sc);
  
  	/* Are we the boot device? */
  	if (PCC_PADDR(pa->pa_offset) == bootaddr) 
  		booted_device = self;
  
  	pccintr_establish(PCCV_LE, am7990_intr, pa->pa_ipl, sc);
  	sys_pcc->le_int = pa->pa_ipl | PCC_IENABLE;
  }
  