1 /* $NetBSD: if_emac.c,v 1.2 2002/03/15 21:10:46 eeh Exp $ */ 2 3 /* 4 * Copyright 2001 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Simon Burge and Eduardo Horvath for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #include "rnd.h" 39 #include "bpfilter.h" 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/callout.h> 44 #include <sys/mbuf.h> 45 #include <sys/malloc.h> 46 #include <sys/kernel.h> 47 #include <sys/socket.h> 48 #include <sys/ioctl.h> 49 #include <sys/errno.h> 50 #include <sys/device.h> 51 #include <sys/queue.h> 52 53 #if NRND > 0 54 #include <sys/rnd.h> 55 #endif 56 57 #include <net/if.h> 58 #include <net/if_dl.h> 59 #include <net/if_media.h> 60 #include <net/if_ether.h> 61 62 #if NBPFILTER > 0 63 #include <net/bpf.h> 64 #endif 65 66 #include <machine/autoconf.h> 67 #include <machine/bus.h> 68 #include <machine/walnut.h> /* XXX - this file shouldn't depend on board-data */ 69 70 #include <dev/mii/mii.h> 71 #include <dev/mii/miivar.h> 72 73 struct emac_softc { 74 struct device sc_dev; /* generic device information */ 75 bus_space_tag_t sc_st; /* bus space tag */ 76 bus_space_handle_t sc_sh; /* bus space handle */ 77 bus_dma_tag_t sc_dmat; /* bus DMA tag */ 78 struct ethercom sc_ethercom; /* ethernet common data */ 79 void *sc_sdhook; /* shutdown hook */ 80 }; 81 82 static int emac_match(struct device *, struct cfdata *, void *); 83 static void emac_attach(struct device *, struct device *, void *); 84 static int emac_intr(void *); 85 86 struct cfattach emac_ca = { 87 sizeof(struct emac_softc), emac_match, emac_attach 88 }; 89 90 static int probe_done = 0; 91 92 static int 93 emac_match(struct device *parent, struct cfdata *cf, void *aux) 94 { 95 96 /* 97 * XXX probe! 98 * This won't work on some of the NP family processors that have 99 * multiple EMACs 100 */ 101 102 if (probe_done) 103 return 0; 104 105 probe_done = 1; 106 return 1; 107 } 108 109 static void 110 emac_attach(struct device *parent, struct device *self, void *aux) 111 { 112 struct mainbus_attach_args *maa = aux; 113 struct emac_softc *sc = (struct emac_softc *)self; 114 115 sc->sc_st = galaxy_make_bus_space_tag(0, 0); 116 sc->sc_sh = maa->mb_addr; 117 118 printf(": 405GP EMAC\n"); 119 printf("%s: Ethernet address %s\n", sc->sc_dev.dv_xname, 120 ether_sprintf(board_data.mac_address_local)); 121 122 intr_establish(maa->mb_irq, IST_LEVEL, IPL_NET, emac_intr, sc); 123 printf("%s: interrupting at irq %d\n", sc->sc_dev.dv_xname, 124 maa->mb_irq); 125 } 126 127 static int 128 emac_intr(void *arg) 129 { 130 131 printf("emac_intr: arg = %p\n", arg); /* XXX */ 132 return 0; 133 } 134