1 /* $NetBSD: if_le_tc.c,v 1.16 2003/01/22 08:06:21 mhitch 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/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: if_le_tc.c,v 1.16 2003/01/22 08:06:21 mhitch Exp $"); 36 37 #include "opt_inet.h" 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/mbuf.h> 42 #include <sys/syslog.h> 43 #include <sys/socket.h> 44 #include <sys/device.h> 45 46 #include <net/if.h> 47 #include <net/if_ether.h> 48 #include <net/if_media.h> 49 50 #ifdef INET 51 #include <netinet/in.h> 52 #include <netinet/if_inarp.h> 53 #endif 54 55 #include <dev/ic/lancereg.h> 56 #include <dev/ic/lancevar.h> 57 #include <dev/ic/am7990reg.h> 58 #include <dev/ic/am7990var.h> 59 60 #include <dev/tc/if_levar.h> 61 #include <dev/tc/tcvar.h> 62 63 int le_tc_match __P((struct device *, struct cfdata *, void *)); 64 void le_tc_attach __P((struct device *, struct device *, void *)); 65 66 CFATTACH_DECL(le_tc, sizeof(struct le_softc), 67 le_tc_match, le_tc_attach, NULL, NULL); 68 69 #define LE_OFFSET_RAM 0x0 70 #define LE_OFFSET_LANCE 0x100000 71 #define LE_OFFSET_ROM 0x1c0000 72 73 int 74 le_tc_match(parent, match, aux) 75 struct device *parent; 76 struct cfdata *match; 77 void *aux; 78 { 79 struct tc_attach_args *d = aux; 80 81 if (strncmp("PMAD-AA ", d->ta_modname, TC_ROM_LLEN) != 0) 82 return (0); 83 84 return (1); 85 } 86 87 void 88 le_tc_attach(parent, self, aux) 89 struct device *parent, *self; 90 void *aux; 91 { 92 struct le_softc *lesc = (void *)self; 93 struct lance_softc *sc = &lesc->sc_am7990.lsc; 94 struct tc_attach_args *d = aux; 95 96 /* 97 * It's on the turbochannel proper, or a kn02 98 * baseboard implementation of a TC option card. 99 */ 100 lesc->sc_r1 = (struct lereg1 *) 101 TC_DENSE_TO_SPARSE(TC_PHYS_TO_UNCACHED(d->ta_addr + LE_OFFSET_LANCE)); 102 sc->sc_mem = (void *)(d->ta_addr + LE_OFFSET_RAM); 103 104 sc->sc_copytodesc = lance_copytobuf_contig; 105 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 106 sc->sc_copytobuf = lance_copytobuf_contig; 107 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 108 sc->sc_zerobuf = lance_zerobuf_contig; 109 110 /* 111 * TC lance boards have onboard SRAM buffers. DMA 112 * between the onbard RAM and main memory is not possible, 113 * so DMA setup is not required. 114 */ 115 116 dec_le_common_attach(&lesc->sc_am7990, 117 (u_char *)(d->ta_addr + LE_OFFSET_ROM + 2)); 118 119 tc_intr_establish(parent, d->ta_cookie, TC_IPL_NET, am7990_intr, sc); 120 } 121