1 /* $NetBSD: if_le_tc.c,v 1.11 2000/03/30 12:45:43 augustss Exp $ */ 2 3 /* 4 * Copyright (c) 1996 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 30 /* 31 * LANCE on TurboChannel. 32 */ 33 #include "opt_inet.h" 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/mbuf.h> 38 #include <sys/syslog.h> 39 #include <sys/socket.h> 40 #include <sys/device.h> 41 42 #include <net/if.h> 43 #include <net/if_ether.h> 44 #include <net/if_media.h> 45 46 #ifdef INET 47 #include <netinet/in.h> 48 #include <netinet/if_inarp.h> 49 #endif 50 51 #include <dev/ic/lancereg.h> 52 #include <dev/ic/lancevar.h> 53 #include <dev/ic/am7990reg.h> 54 #include <dev/ic/am7990var.h> 55 56 #include <dev/tc/if_levar.h> 57 #include <dev/tc/tcvar.h> 58 59 int le_tc_match __P((struct device *, struct cfdata *, void *)); 60 void le_tc_attach __P((struct device *, struct device *, void *)); 61 62 struct cfattach le_tc_ca = { 63 sizeof(struct le_softc), le_tc_match, le_tc_attach 64 }; 65 66 #define LE_OFFSET_RAM 0x0 67 #define LE_OFFSET_LANCE 0x100000 68 #define LE_OFFSET_ROM 0x1c0000 69 70 int 71 le_tc_match(parent, match, aux) 72 struct device *parent; 73 struct cfdata *match; 74 void *aux; 75 { 76 struct tc_attach_args *d = aux; 77 78 if (strncmp("PMAD-AA ", d->ta_modname, TC_ROM_LLEN) != 0) 79 return (0); 80 81 return (1); 82 } 83 84 void 85 le_tc_attach(parent, self, aux) 86 struct device *parent, *self; 87 void *aux; 88 { 89 struct le_softc *lesc = (void *)self; 90 struct lance_softc *sc = &lesc->sc_am7990.lsc; 91 struct tc_attach_args *d = aux; 92 93 /* 94 * It's on the turbochannel proper, or a kn02 95 * baseboard implementation of a TC option card. 96 */ 97 lesc->sc_r1 = (struct lereg1 *)(d->ta_addr + LE_OFFSET_LANCE); 98 sc->sc_mem = (void *)(d->ta_addr + LE_OFFSET_RAM); 99 100 sc->sc_copytodesc = lance_copytobuf_contig; 101 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 102 sc->sc_copytobuf = lance_copytobuf_contig; 103 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 104 sc->sc_zerobuf = lance_zerobuf_contig; 105 106 /* 107 * TC lance boards have onboard SRAM buffers. DMA 108 * between the onbard RAM and main memory is not possible, 109 * so DMA setup is not required. 110 */ 111 112 dec_le_common_attach(&lesc->sc_am7990, 113 (u_char *)(d->ta_addr + LE_OFFSET_ROM + 2)); 114 115 tc_intr_establish(parent, d->ta_cookie, TC_IPL_NET, am7990_intr, sc); 116 } 117