1 /* $NetBSD: if_ze.c,v 1.3 2000/01/24 02:54:03 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 55 #include <dev/ic/sgecreg.h> 56 #include <dev/ic/sgecvar.h> 57 58 #include "ioconf.h" 59 /* 60 * Adresses. 61 */ 62 #define SGECADDR 0x20008000 63 #define NISA_ROM 0x20084000 64 #define SGECVEC 0x108 65 66 static int zematch __P((struct device *, struct cfdata *, void *)); 67 static void zeattach __P((struct device *, struct device *, void *)); 68 69 struct cfattach ze_ibus_ca = { 70 sizeof(struct ze_softc), zematch, zeattach 71 }; 72 73 /* 74 * Check for present SGEC. 75 */ 76 int 77 zematch(parent, cf, aux) 78 struct device *parent; 79 struct cfdata *cf; 80 void *aux; 81 { 82 struct bp_conf *bp = aux; 83 84 /* 85 * Should some more intelligent checking be done??? 86 */ 87 if (strcmp(bp->type, "sgec") == 0) 88 return 1; 89 return 0; 90 } 91 92 /* 93 * Interface exists: make available by filling in network interface 94 * record. System will initialize the interface when it is ready 95 * to accept packets. 96 */ 97 void 98 zeattach(parent, self, aux) 99 struct device *parent, *self; 100 void *aux; 101 { 102 extern struct vax_bus_dma_tag vax_bus_dma_tag; 103 struct ze_softc *sc = (struct ze_softc *)self; 104 int *ea, i; 105 106 /* 107 * Map in SGEC registers. 108 */ 109 sc->sc_ioh = vax_map_physmem(SGECADDR, 1); 110 sc->sc_iot = 0; /* :-) */ 111 sc->sc_dmat = &vax_bus_dma_tag; 112 113 sc->sc_intvec = SGECVEC; 114 115 /* 116 * Map in, read and release ethernet rom address. 117 */ 118 ea = (int *)vax_map_physmem(NISA_ROM, 1); 119 for (i = 0; i < ETHER_ADDR_LEN; i++) 120 sc->sc_enaddr[i] = (ea[i] >> 8) & 0377; 121 vax_unmap_physmem((vaddr_t)ea, 1); 122 123 scb_vecalloc(SGECVEC, (void (*)(void *)) sgec_intr, sc, SCB_ISTACK); 124 125 sgec_attach(sc); 126 } 127