1 /* $NetBSD: if_le_tc.c,v 1.2 1996/05/07 02:24:57 thorpej 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 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/mbuf.h> 37 #include <sys/syslog.h> 38 #include <sys/socket.h> 39 #include <sys/device.h> 40 41 #include <net/if.h> 42 43 #ifdef INET 44 #include <netinet/in.h> 45 #include <netinet/if_ether.h> 46 #endif 47 48 #include <dev/ic/am7990reg.h> 49 #include <dev/ic/am7990var.h> 50 51 #include <dev/tc/if_levar.h> 52 #include <dev/tc/tcvar.h> 53 54 int le_tc_match __P((struct device *, void *, void *)); 55 void le_tc_attach __P((struct device *, struct device *, void *)); 56 57 struct cfattach le_tc_ca = { 58 sizeof(struct le_softc), le_tc_match, le_tc_attach 59 }; 60 61 #define LE_OFFSET_RAM 0x0 62 #define LE_OFFSET_LANCE 0x100000 63 #define LE_OFFSET_ROM 0x1c0000 64 65 int 66 le_tc_match(parent, match, aux) 67 struct device *parent; 68 void *match, *aux; 69 { 70 struct tc_attach_args *d = aux; 71 72 if (strncmp("PMAD-AA ", d->ta_modname, TC_ROM_LLEN) && 73 strncmp("PMAD-BA ", d->ta_modname, TC_ROM_LLEN)) 74 return (0); 75 76 return (1); 77 } 78 79 void 80 le_tc_attach(parent, self, aux) 81 struct device *parent, *self; 82 void *aux; 83 { 84 register struct le_softc *lesc = (void *)self; 85 register struct am7990_softc *sc = &lesc->sc_am7990; 86 struct tc_attach_args *d = aux; 87 88 /* 89 * It's on the turbochannel proper, or a kn02 90 * baseboard implementation of a TC option card. 91 */ 92 lesc->sc_r1 = (struct lereg1 *)(d->ta_addr + LE_OFFSET_LANCE); 93 sc->sc_mem = (void *)(d->ta_addr + LE_OFFSET_RAM); 94 95 sc->sc_copytodesc = am7990_copytobuf_contig; 96 sc->sc_copyfromdesc = am7990_copyfrombuf_contig; 97 sc->sc_copytobuf = am7990_copytobuf_contig; 98 sc->sc_copyfrombuf = am7990_copyfrombuf_contig; 99 sc->sc_zerobuf = am7990_zerobuf_contig; 100 101 /* 102 * TC lance boards have onboard SRAM buffers. DMA 103 * between the onbard RAM and main memory is not possible, 104 * so DMA setup is not required. 105 */ 106 107 dec_le_common_attach(sc, (u_char *)(d->ta_addr + LE_OFFSET_ROM + 2)); 108 109 tc_intr_establish(parent, d->ta_cookie, TC_IPL_NET, am7990_intr, sc); 110 } 111