1 /* $NetBSD: if_le_tc.c,v 1.22 2017/06/22 16:46:53 flxd 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 1.22 2017/06/22 16:46:53 flxd 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 static int le_tc_match(device_t, cfdata_t, void *); 64 static void le_tc_attach(device_t, device_t, void *); 65 66 CFATTACH_DECL_NEW(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 static int 74 le_tc_match(device_t parent, cfdata_t cf, 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 static void 85 le_tc_attach(device_t parent, device_t self, void *aux) 86 { 87 struct le_softc *lesc = device_private(self); 88 struct lance_softc *sc = &lesc->sc_am7990.lsc; 89 struct tc_attach_args *d = aux; 90 91 sc->sc_dev = self; 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 *) 98 TC_DENSE_TO_SPARSE(TC_PHYS_TO_UNCACHED(d->ta_addr + LE_OFFSET_LANCE)); 99 sc->sc_mem = (void *)(d->ta_addr + LE_OFFSET_RAM); 100 101 sc->sc_copytodesc = lance_copytobuf_contig; 102 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 103 sc->sc_copytobuf = lance_copytobuf_contig; 104 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 105 sc->sc_zerobuf = lance_zerobuf_contig; 106 107 /* 108 * TC lance boards have onboard SRAM buffers. DMA 109 * between the onbard RAM and main memory is not possible, 110 * so DMA setup is not required. 111 */ 112 113 dec_le_common_attach(&lesc->sc_am7990, 114 (uint8_t *)(d->ta_addr + LE_OFFSET_ROM + 2)); 115 116 tc_intr_establish(parent, d->ta_cookie, TC_IPL_NET, am7990_intr, sc); 117 } 118