text: /*	$OpenBSD: if_ze_vsbus.c,v 1.3 2003/11/07 10:16:45 jmc Exp $	*/
  /*      $NetBSD: if_ze_vsbus.c,v 1.5 2000/07/26 21:50:49 matt Exp $ */
  /*
   * Copyright (c) 1999 Ludd, University of Lule}, Sweden. All rights reserved.
   *
   * 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 at Ludd, University of 
   *      Lule}, Sweden and its contributors.
   * 4. The name of the author may not be used to endorse or promote products
   *    derived from this software without specific prior written permission
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
   */
  
  #include <sys/param.h>
  #include <sys/socket.h>
  #include <sys/device.h>
  #include <sys/systm.h>
  #include <sys/sockio.h>
  
  #include <net/if.h>
  #include <net/if_dl.h>
  
  #include <netinet/in.h>
  #include <netinet/if_ether.h>
  
  #if NBPFILTER > 0
  #include <net/bpf.h>
  #include <net/bpfdesc.h>
  #endif
  
  #include <machine/bus.h>
  #include <machine/vsbus.h>
  #include <machine/cpu.h>
  #include <machine/scb.h>
  #include <machine/sid.h>
  
  #include <arch/vax/if/sgecreg.h>
  #include <arch/vax/if/sgecvar.h>
  
  /*
   * Addresses.
   */
  #define SGECADDR        0x20008000
  #define NISA_ROM        0x27800000
  #define	SGECVEC		0x108
  
  static	int	zematch(struct device *, void *, void *);
  static	void	zeattach(struct device *, struct device *, void *);
  
  struct	cfattach ze_vsbus_ca = {
  	sizeof(struct ze_softc), zematch, zeattach
  };
  
  /*
   * Check for present SGEC.
   */
  int
  zematch(parent, cf, aux)
  	struct	device *parent;
  	void	*cf;
  	void	*aux;
  {
  	/*
  	 * Should some more intelligent checking be done???
  	 * Should for sure force an interrupt instead...
  	 */
  	if (vax_boardtype != VAX_BTYP_49)
  		return 0;
  
  	/* Fool the interrupt system. */
  	scb_fake(SGECVEC, 0x15);
  	return 12;
  }
  
  /*
   * Interface exists: make available by filling in network interface
   * record.  System will initialize the interface when it is ready
   * to accept packets.
   */
  void
  zeattach(parent, self, aux)
  	struct	device *parent, *self;
  	void	*aux;
  {
  	struct ze_softc *sc = (struct ze_softc *)self;
  	struct vsbus_attach_args *va = aux;
  	extern struct vax_bus_dma_tag vax_bus_dma_tag;
  	int *ea, i;
  
  	/*
  	 * Map in SGEC registers.
  	 */
  	sc->sc_ioh = vax_map_physmem(SGECADDR, 1);
  	sc->sc_iot = 0; /* :-) */
  	sc->sc_dmat = &vax_bus_dma_tag;
  
  	sc->sc_intvec = SGECVEC;
  	scb_vecalloc(va->va_cvec, (void (*)(void *)) sgec_intr,
  	    sc, SCB_ISTACK, &sc->sc_intrcnt);
  
  	/*
  	 * Map in, read and release ethernet rom address.
  	 */
  	ea = (int *)vax_map_physmem(NISA_ROM, 1);
  	for (i = 0; i < ETHER_ADDR_LEN; i++)
  		sc->sc_ac.ac_enaddr[i] = ea[i] & 0377;
  	vax_unmap_physmem((vaddr_t)ea, 1);
  
  	sgec_attach(sc);
  }
  