if_le_tc.c

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    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 }

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FreeBSD/Linux Kernel Cross Reference sys/dev/tc/if_le_tc.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/tc/if_le_tc.c