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if_ze.c revision 1.6 
      1 /*      $NetBSD: if_ze.c,v 1.6 2002/05/27 17:32:01 ragge Exp $ */
      2 /*
      3  * Copyright (c) 1999 Ludd, University of Lule}, Sweden. All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *      This product includes software developed at Ludd, University of
     16  *      Lule}, Sweden and its contributors.
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include "opt_cputype.h"
     33 
     34 #include <sys/param.h>
     35 #include <sys/socket.h>
     36 #include <sys/device.h>
     37 #include <sys/systm.h>
     38 #include <sys/sockio.h>
     39 
     40 #include <net/if.h>
     41 #include <net/if_ether.h>
     42 #include <net/if_dl.h>
     43 
     44 #include <netinet/in.h>
     45 #include <netinet/if_inarp.h>
     46 
     47 #if NBPFILTER > 0
     48 #include <net/bpf.h>
     49 #include <net/bpfdesc.h>
     50 #endif
     51 
     52 #include <machine/bus.h>
     53 #include <machine/nexus.h>
     54 #include <machine/cpu.h>
     55 #include <machine/scb.h>
     56 #include <machine/sid.h>
     57 
     58 #include <dev/ic/sgecreg.h>
     59 #include <dev/ic/sgecvar.h>
     60 
     61 #include "ioconf.h"
     62 /*
     63  * Adresses.
     64  */
     65 #define SGECADDR        0x20008000
     66 #define NISA_ROM        0x20084000
     67 #define NISA_ROM_VXT    0x200c4000
     68 #define	SGECVEC		0x108
     69 
     70 static	int	zematch __P((struct device *, struct cfdata *, void *));
     71 static	void	zeattach __P((struct device *, struct device *, void *));
     72 
     73 struct	cfattach ze_ibus_ca = {
     74 	sizeof(struct ze_softc), zematch, zeattach
     75 };
     76 
     77 /*
     78  * Check for present SGEC.
     79  */
     80 int
     81 zematch(parent, cf, aux)
     82 	struct	device *parent;
     83 	struct	cfdata *cf;
     84 	void	*aux;
     85 {
     86 	struct bp_conf *bp = aux;
     87 
     88 	/*
     89 	 * Should some more intelligent checking be done???
     90 	 */
     91 	if (strcmp(bp->type, "sgec") == 0)
     92 		return 1;
     93 	return 0;
     94 }
     95 
     96 /*
     97  * Interface exists: make available by filling in network interface
     98  * record.  System will initialize the interface when it is ready
     99  * to accept packets.
    100  */
    101 void
    102 zeattach(parent, self, aux)
    103 	struct	device *parent, *self;
    104 	void	*aux;
    105 {
    106 	extern struct vax_bus_dma_tag vax_bus_dma_tag;
    107 	struct	ze_softc *sc = (struct ze_softc *)self;
    108 	paddr_t nisarom;
    109 	int *ea, i;
    110 
    111 	/*
    112 	 * Map in SGEC registers.
    113 	 */
    114 	sc->sc_ioh = vax_map_physmem(SGECADDR, 1);
    115 	sc->sc_iot = 0; /* :-) */
    116 	sc->sc_dmat = &vax_bus_dma_tag;
    117 
    118 	sc->sc_intvec = SGECVEC;
    119 
    120 	/*
    121 	 * Map in, read and release ethernet rom address.
    122 	 */
    123 	nisarom = (vax_boardtype == VAX_BTYP_VXT ? NISA_ROM_VXT : NISA_ROM);
    124 	ea = (int *)vax_map_physmem(nisarom, 1);
    125 	for (i = 0; i < ETHER_ADDR_LEN; i++) {
    126 		if (vax_boardtype == VAX_BTYP_660)
    127 			sc->sc_enaddr[i] = (ea[i] >> 24) & 0377;
    128 #if VXT2000 || VAXANY
    129 		else if (vax_boardtype == VAX_BTYP_VXT)
    130 			sc->sc_enaddr[i] = ea[i] & 0377;
    131 #endif
    132 		else
    133 			sc->sc_enaddr[i] = (ea[i] >> 8) & 0377;
    134 	}
    135 	vax_unmap_physmem((vaddr_t)ea, 1);
    136 
    137 #if VXT2000 || VAXANY
    138 	if (vax_boardtype == VAX_BTYP_VXT)
    139 		scb_vecalloc(0x200, (void (*)(void *)) sgec_intr, sc,
    140 		    SCB_ISTACK, &sc->sc_intrcnt);
    141 	else
    142 #endif
    143 		scb_vecalloc(SGECVEC, (void (*)(void *)) sgec_intr, sc,
    144 		    SCB_ISTACK, &sc->sc_intrcnt);
    145 
    146 	sgec_attach(sc);
    147 }
    148