1 /* $NetBSD: if_ze.c,v 1.11 2003/11/10 08:51:52 wiz 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/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: if_ze.c,v 1.11 2003/11/10 08:51:52 wiz Exp $"); 34 35 #include "opt_cputype.h" 36 37 #include <sys/param.h> 38 #include <sys/socket.h> 39 #include <sys/device.h> 40 #include <sys/systm.h> 41 #include <sys/sockio.h> 42 43 #include <net/if.h> 44 #include <net/if_ether.h> 45 #include <net/if_dl.h> 46 47 #include <netinet/in.h> 48 #include <netinet/if_inarp.h> 49 50 #if NBPFILTER > 0 51 #include <net/bpf.h> 52 #include <net/bpfdesc.h> 53 #endif 54 55 #include <machine/bus.h> 56 #include <machine/nexus.h> 57 #include <machine/cpu.h> 58 #include <machine/scb.h> 59 #include <machine/sid.h> 60 61 #include <dev/ic/sgecreg.h> 62 #include <dev/ic/sgecvar.h> 63 64 #include "ioconf.h" 65 /* 66 * Addresses. 67 */ 68 #define SGECADDR 0x20008000 69 #define NISA_ROM 0x20084000 70 #define NISA_ROM_VXT 0x200c4000 71 #define SGECVEC 0x108 72 73 static int zematch __P((struct device *, struct cfdata *, void *)); 74 static void zeattach __P((struct device *, struct device *, void *)); 75 76 CFATTACH_DECL(ze_ibus, sizeof(struct ze_softc), 77 zematch, zeattach, NULL, NULL); 78 79 /* 80 * Check for present SGEC. 81 */ 82 int 83 zematch(parent, cf, aux) 84 struct device *parent; 85 struct cfdata *cf; 86 void *aux; 87 { 88 struct bp_conf *bp = aux; 89 90 /* 91 * Should some more intelligent checking be done??? 92 */ 93 if (strcmp(bp->type, "sgec") == 0) 94 return 1; 95 return 0; 96 } 97 98 /* 99 * Interface exists: make available by filling in network interface 100 * record. System will initialize the interface when it is ready 101 * to accept packets. 102 */ 103 void 104 zeattach(parent, self, aux) 105 struct device *parent, *self; 106 void *aux; 107 { 108 extern struct vax_bus_dma_tag vax_bus_dma_tag; 109 struct ze_softc *sc = (struct ze_softc *)self; 110 paddr_t nisarom; 111 int *ea, i; 112 113 /* 114 * Map in SGEC registers. 115 */ 116 sc->sc_ioh = vax_map_physmem(SGECADDR, 1); 117 sc->sc_iot = 0; /* :-) */ 118 sc->sc_dmat = &vax_bus_dma_tag; 119 120 sc->sc_intvec = SGECVEC; 121 122 /* 123 * Map in, read and release ethernet rom address. 124 */ 125 nisarom = (vax_boardtype == VAX_BTYP_VXT ? NISA_ROM_VXT : NISA_ROM); 126 ea = (int *)vax_map_physmem(nisarom, 1); 127 for (i = 0; i < ETHER_ADDR_LEN; i++) { 128 if (vax_boardtype == VAX_BTYP_660) 129 sc->sc_enaddr[i] = (ea[i] >> 24) & 0377; 130 #if VXT2000 || VAXANY 131 else if (vax_boardtype == VAX_BTYP_VXT) 132 sc->sc_enaddr[i] = ea[i] & 0377; 133 #endif 134 else 135 sc->sc_enaddr[i] = (ea[i] >> 8) & 0377; 136 } 137 vax_unmap_physmem((vaddr_t)ea, 1); 138 139 #if VXT2000 || VAXANY 140 if (vax_boardtype == VAX_BTYP_VXT) 141 scb_vecalloc(0x200, (void (*)(void *)) sgec_intr, sc, 142 SCB_ISTACK, &sc->sc_intrcnt); 143 else 144 #endif 145 scb_vecalloc(SGECVEC, (void (*)(void *)) sgec_intr, sc, 146 SCB_ISTACK, &sc->sc_intrcnt); 147 148 sgec_attach(sc); 149 } 150