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if_sm_nubus.c revision 1.5 
      1 /*	$NetBSD: if_sm_nubus.c,v 1.5 2003/07/15 02:43:24 lukem Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2000 Allen Briggs.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 #include <sys/cdefs.h>
     31 __KERNEL_RCSID(0, "$NetBSD: if_sm_nubus.c,v 1.5 2003/07/15 02:43:24 lukem Exp $");
     32 
     33 #include "opt_inet.h"
     34 
     35 #include <sys/param.h>
     36 #include <sys/device.h>
     37 #include <sys/errno.h>
     38 #include <sys/ioctl.h>
     39 #include <sys/socket.h>
     40 #include <sys/syslog.h>
     41 #include <sys/systm.h>
     42 
     43 #include <net/if.h>
     44 #include <net/if_ether.h>
     45 #include <net/if_media.h>
     46 
     47 #include <machine/bus.h>
     48 #include <machine/viareg.h>
     49 
     50 #include <dev/mii/mii.h>
     51 #include <dev/mii/miivar.h>
     52 
     53 #include <dev/ic/smc91cxxreg.h>
     54 #include <dev/ic/smc91cxxvar.h>
     55 
     56 #include <mac68k/nubus/nubus.h>
     57 
     58 static int	sm_nubus_match __P((struct device *, struct cfdata *, void *));
     59 static void	sm_nubus_attach __P((struct device *, struct device *, void *));
     60 
     61 CFATTACH_DECL(sm_nubus, sizeof(struct smc91cxx_softc),
     62     sm_nubus_match, sm_nubus_attach, NULL, NULL);
     63 
     64 static int
     65 sm_nubus_match(parent, cf, aux)
     66 	struct device *parent;
     67 	struct cfdata *cf;
     68 	void *aux;
     69 {
     70 	struct nubus_attach_args *na = (struct nubus_attach_args *) aux;
     71 	bus_space_handle_t bsh;
     72 	int rv;
     73 
     74 	if (bus_space_map(na->na_tag,
     75 	    NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh))
     76 		return (0);
     77 
     78 	rv = 0;
     79 
     80 	if (na->category == NUBUS_CATEGORY_NETWORK &&
     81 	    na->type == NUBUS_TYPE_ETHERNET) {
     82 		switch (na->drsw) {
     83 	    	case NUBUS_DRSW_FOCUS:
     84 	    	case NUBUS_DRSW_ASANTEF:
     85 			rv = 1;
     86 			break;
     87 		default:
     88 			rv = 0;
     89 			break;
     90 		}
     91 	}
     92 
     93 	bus_space_unmap(na->na_tag, bsh, NBMEMSIZE);
     94 
     95 	return rv;
     96 }
     97 
     98 /*
     99  * Install interface into kernel networking data structures
    100  */
    101 static void
    102 sm_nubus_attach(parent, self, aux)
    103 	struct device *parent, *self;
    104 	void   *aux;
    105 {
    106 	struct smc91cxx_softc *smc = (struct smc91cxx_softc *) self;
    107 	struct nubus_attach_args *na = (struct nubus_attach_args *)aux;
    108 	bus_space_tag_t	bst = na->na_tag;
    109 	bus_space_handle_t bsh, prom_bsh;
    110 	u_int8_t myaddr[ETHER_ADDR_LEN];
    111 	int i, success;
    112 	char *cardtype;
    113 
    114 	bst = na->na_tag;
    115 	if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) {
    116 		printf(": failed to map memory space.\n");
    117 		return;
    118 	}
    119 
    120 	mac68k_bus_space_handle_swapped(bst, &bsh);
    121 
    122 	smc->sc_bst = bst;
    123 	smc->sc_bsh = bsh;
    124 
    125 	cardtype = nubus_get_card_name(bst, bsh, na->fmt);
    126 
    127 	success = 0;
    128 
    129 	switch (na->drsw) {
    130 	case NUBUS_DRSW_FOCUS:
    131 		if (bus_space_subregion(bst, bsh, 0xFF8000, 0x20, &prom_bsh)) {
    132 			printf(": failed to map EEPROM space.\n");
    133 			break;
    134 		}
    135 
    136 		success = 1;
    137 		break;
    138 	case NUBUS_DRSW_ASANTEF:
    139 		if (bus_space_subregion(bst, bsh, 0xFE0000, 0x20, &prom_bsh)) {
    140 			printf(": failed to map EEPROM space.\n");
    141 			break;
    142 		}
    143 
    144 		success = 1;
    145 		break;
    146 	}
    147 
    148 	if (!success) {
    149 		bus_space_unmap(bst, bsh, NBMEMSIZE);
    150 		return;
    151 	}
    152 	for (i=0 ; i<6 ; i++) {
    153 		myaddr[i] = bus_space_read_1(bst, prom_bsh, i*4);
    154 	}
    155 
    156 	smc->sc_flags |= SMC_FLAGS_ENABLED;
    157 
    158 	printf(": %s\n", cardtype);
    159 
    160 	smc91cxx_attach(smc, myaddr);
    161 
    162 	add_nubus_intr(na->slot, (void (*)(void *))smc91cxx_intr, smc);
    163 }
    164