1 /* $NetBSD: if_ze.c,v 1.5 2000/06/04 02:19:25 matt 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 <sys/param.h> 33 #include <sys/socket.h> 34 #include <sys/device.h> 35 #include <sys/systm.h> 36 #include <sys/sockio.h> 37 38 #include <net/if.h> 39 #include <net/if_ether.h> 40 #include <net/if_dl.h> 41 42 #include <netinet/in.h> 43 #include <netinet/if_inarp.h> 44 45 #if NBPFILTER > 0 46 #include <net/bpf.h> 47 #include <net/bpfdesc.h> 48 #endif 49 50 #include <machine/bus.h> 51 #include <machine/nexus.h> 52 #include <machine/cpu.h> 53 #include <machine/scb.h> 54 #include <machine/sid.h> 55 56 #include <dev/ic/sgecreg.h> 57 #include <dev/ic/sgecvar.h> 58 59 #include "ioconf.h" 60 /* 61 * Adresses. 62 */ 63 #define SGECADDR 0x20008000 64 #define NISA_ROM 0x20084000 65 #define SGECVEC 0x108 66 67 static int zematch __P((struct device *, struct cfdata *, void *)); 68 static void zeattach __P((struct device *, struct device *, void *)); 69 70 struct cfattach ze_ibus_ca = { 71 sizeof(struct ze_softc), zematch, zeattach 72 }; 73 74 /* 75 * Check for present SGEC. 76 */ 77 int 78 zematch(parent, cf, aux) 79 struct device *parent; 80 struct cfdata *cf; 81 void *aux; 82 { 83 struct bp_conf *bp = aux; 84 85 /* 86 * Should some more intelligent checking be done??? 87 */ 88 if (strcmp(bp->type, "sgec") == 0) 89 return 1; 90 return 0; 91 } 92 93 /* 94 * Interface exists: make available by filling in network interface 95 * record. System will initialize the interface when it is ready 96 * to accept packets. 97 */ 98 void 99 zeattach(parent, self, aux) 100 struct device *parent, *self; 101 void *aux; 102 { 103 extern struct vax_bus_dma_tag vax_bus_dma_tag; 104 struct ze_softc *sc = (struct ze_softc *)self; 105 int *ea, i; 106 107 /* 108 * Map in SGEC registers. 109 */ 110 sc->sc_ioh = vax_map_physmem(SGECADDR, 1); 111 sc->sc_iot = 0; /* :-) */ 112 sc->sc_dmat = &vax_bus_dma_tag; 113 114 sc->sc_intvec = SGECVEC; 115 116 /* 117 * Map in, read and release ethernet rom address. 118 */ 119 ea = (int *)vax_map_physmem(NISA_ROM, 1); 120 for (i = 0; i < ETHER_ADDR_LEN; i++) 121 if (vax_boardtype == VAX_BTYP_660) 122 sc->sc_enaddr[i] = (ea[i] >> 24) & 0377; 123 else 124 sc->sc_enaddr[i] = (ea[i] >> 8) & 0377; 125 vax_unmap_physmem((vaddr_t)ea, 1); 126 127 scb_vecalloc(SGECVEC, (void (*)(void *)) sgec_intr, sc, 128 SCB_ISTACK, &sc->sc_intrcnt); 129 130 sgec_attach(sc); 131 } 132