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if_sn_nubus.c revision 1.29
      1 /*	$NetBSD: if_sn_nubus.c,v 1.29 2008/04/23 13:29:45 tsutsui Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 1997 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. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by Allen Briggs
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include <sys/cdefs.h>
     34 __KERNEL_RCSID(0, "$NetBSD: if_sn_nubus.c,v 1.29 2008/04/23 13:29:45 tsutsui Exp $");
     35 
     36 #include <sys/param.h>
     37 #include <sys/systm.h>
     38 #include <sys/device.h>
     39 #include <sys/ioctl.h>
     40 
     41 #include <net/if.h>
     42 #include <net/if_ether.h>
     43 
     44 #include <machine/bus.h>
     45 #include <machine/viareg.h>
     46 
     47 #include <dev/ic/dp83932reg.h>
     48 #include <dev/ic/dp83932var.h>
     49 
     50 #include <mac68k/nubus/nubus.h>
     51 #include <mac68k/dev/if_snvar.h>
     52 
     53 static int	sn_nubus_match(device_t, cfdata_t, void *);
     54 static void	sn_nubus_attach(device_t, device_t, void *);
     55 static int	sn_nb_card_vendor(bus_space_tag_t, bus_space_handle_t,
     56 		    struct nubus_attach_args *);
     57 
     58 CFATTACH_DECL_NEW(sn_nubus, sizeof(struct sonic_softc),
     59     sn_nubus_match, sn_nubus_attach, NULL, NULL);
     60 
     61 
     62 static int
     63 sn_nubus_match(device_t parent, cfdata_t cf, void *aux)
     64 {
     65 	struct nubus_attach_args *na = aux;
     66 	bus_space_handle_t bsh;
     67 	int rv;
     68 
     69 	if (bus_space_map(na->na_tag,
     70 	    NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh))
     71 		return 0;
     72 
     73 	rv = 0;
     74 
     75 	if (na->category == NUBUS_CATEGORY_NETWORK &&
     76 	    na->type == NUBUS_TYPE_ETHERNET) {
     77 		switch (sn_nb_card_vendor(na->na_tag, bsh, na)) {
     78 		default:
     79 			break;
     80 
     81 		case SN_VENDOR_APPLE:
     82 		case SN_VENDOR_APPLE16:
     83 		case SN_VENDOR_ASANTELC:
     84 		case SN_VENDOR_DAYNA:
     85 			rv = 1;
     86 			break;
     87 		}
     88 	}
     89 
     90 	bus_space_unmap(na->na_tag, bsh, NBMEMSIZE);
     91 
     92 	return rv;
     93 }
     94 
     95 /*
     96  * Install interface into kernel networking data structures
     97  */
     98 static void
     99 sn_nubus_attach(device_t parent, device_t self, void *aux)
    100 {
    101 	struct sonic_softc *sc = device_private(self);
    102 	struct nubus_attach_args *na = aux;
    103 	int i, success, offset;
    104 	bus_space_tag_t	bst;
    105 	bus_space_handle_t bsh, tmp_bsh;
    106 	uint8_t myaddr[ETHER_ADDR_LEN];
    107 	const char *cardtype;
    108 
    109 	bst = na->na_tag;
    110 	if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) {
    111 		aprint_error(": failed to map memory space.\n");
    112 		return;
    113 	}
    114 
    115 	sc->sc_dev = self;
    116 	sc->sc_st = bst;
    117 	sc->sc_dmat = na->na_dmat;
    118 
    119 	cardtype = nubus_get_card_name(bst, bsh, na->fmt);
    120 
    121 	success = 0;
    122 	offset = 0;
    123 
    124 	switch (sn_nb_card_vendor(bst, bsh, na)) {
    125 	case SN_VENDOR_DAYNA:
    126 		sc->sc_dcr = DCR_BMS | DCR_RFT1 | DCR_TFT0;
    127 		sc->sc_dcr2 = 0;
    128 		sc->sc_32bit = 1;	/* 32 bit card */
    129 
    130 		if (bus_space_subregion(bst, bsh,
    131 		    0x00180000, SONIC_NREGS * 4, &sc->sc_sh)) {
    132 			aprint_error(": failed to map register space.\n");
    133 			break;
    134 		}
    135 
    136 		if (bus_space_subregion(bst, bsh,
    137 		    0x00ffe004, ETHER_ADDR_LEN, &tmp_bsh)) {
    138 			aprint_error(": failed to map ROM space.\n");
    139 			break;
    140 		}
    141 
    142 		sn_get_enaddr(bst, tmp_bsh, 0, myaddr);
    143 
    144 		offset = 2;
    145 		success = 1;
    146 		break;
    147 
    148 	case SN_VENDOR_APPLE:
    149 		sc->sc_dcr = DCR_BMS | DCR_RFT1 | DCR_TFT0;
    150 		sc->sc_dcr2 = 0;
    151 		sc->sc_32bit = 1; /* 32 bit card */
    152 
    153 		if (bus_space_subregion(bst, bsh,
    154 		    0x0, SONIC_NREGS * 4, &sc->sc_sh)) {
    155 			aprint_error(": failed to map register space.\n");
    156 			break;
    157 		}
    158 
    159 		if (bus_space_subregion(bst, bsh,
    160 		    0x40000, ETHER_ADDR_LEN, &tmp_bsh)) {
    161 			aprint_error(": failed to map ROM space.\n");
    162 			break;
    163 		}
    164 
    165 		sn_get_enaddr(bst, tmp_bsh, 0, myaddr);
    166 
    167 		offset = 0;
    168 		success = 1;
    169 		break;
    170 
    171 	case SN_VENDOR_APPLE16:
    172 		sc->sc_dcr = DCR_EXBUS | DCR_BMS | DCR_PO1 |
    173 		    DCR_RFT1 | DCR_TFT0;
    174 		sc->sc_dcr2 = 0;
    175 		sc->sc_32bit = 0; /* 16 bit card */
    176 
    177 		if (bus_space_subregion(bst, bsh,
    178 		    0x0, SONIC_NREGS * 4, &sc->sc_sh)) {
    179 			aprint_error(": failed to map register space.\n");
    180 			break;
    181 		}
    182 
    183 		if (bus_space_subregion(bst, bsh,
    184 		    0x40000, ETHER_ADDR_LEN, &tmp_bsh)) {
    185 			aprint_error(": failed to map ROM space.\n");
    186 			break;
    187 		}
    188 
    189 		sn_get_enaddr(bst, tmp_bsh, 0, myaddr);
    190 
    191 		offset = 0;
    192 		success = 1;
    193 		break;
    194 
    195 	case SN_VENDOR_ASANTELC: /* Macintosh LC Ethernet Adapter */
    196 		sc->sc_dcr = DCR_BMS | DCR_PO1 | DCR_RFT1 | DCR_TFT0;
    197 		sc->sc_dcr2 = 0;
    198 		sc->sc_32bit = 0; /* 16 bit card */
    199 
    200 		if (bus_space_subregion(bst, bsh,
    201 		    0x0, SONIC_NREGS * 4, &sc->sc_sh)) {
    202 			aprint_error(": failed to map register space.\n");
    203 			break;
    204 		}
    205 
    206 		if (bus_space_subregion(bst, bsh,
    207 		    0x400000, ETHER_ADDR_LEN, &tmp_bsh)) {
    208 			aprint_error(": failed to map ROM space.\n");
    209 			break;
    210 		}
    211 
    212 		sn_get_enaddr(bst, tmp_bsh, 0, myaddr);
    213 
    214 		offset = 0;
    215 		success = 1;
    216 		break;
    217 
    218 	default:
    219 		/*
    220 		 * You can't actually get this default, the snmatch
    221 		 * will fail for unknown hardware. If you're adding support
    222 		 * for a new card, the following defaults are a
    223 		 * good starting point.
    224 		 */
    225 		sc->sc_dcr = DCR_SBUS | DCR_BMS | DCR_RFT1 | DCR_TFT0;
    226 		sc->sc_dcr2 = 0;
    227 		sc->sc_32bit = 1;
    228 		success = 0;
    229 		aprint_error(": unknown card: attachment incomplete.\n");
    230 	}
    231 
    232 	if (!success) {
    233 		bus_space_unmap(bst, bsh, NBMEMSIZE);
    234 		return;
    235 	}
    236 
    237 	/* Regs are addressed as words, big endian. */
    238 	for (i = 0; i < SONIC_NREGS; i++) {
    239 		sc->sc_regmap[i] = (bus_size_t)((i * 4) + offset);
    240 	}
    241 
    242 	sc->sc_bigendian = 1;
    243 
    244 	aprint_error(": %s\n", cardtype);
    245 
    246 	add_nubus_intr(na->slot, (void (*)(void *))sonic_intr, (void *)sc);
    247 
    248 	sonic_attach(sc, myaddr);
    249 
    250 	return;
    251 }
    252 
    253 static int
    254 sn_nb_card_vendor(bus_space_tag_t bst, bus_space_handle_t bsh,
    255     struct nubus_attach_args *na)
    256 {
    257 	int vendor = SN_VENDOR_UNKNOWN;
    258 
    259 	switch (na->drsw) {
    260 	case NUBUS_DRSW_3COM:
    261 		if (na->drhw == NUBUS_DRHW_APPLE_SNT)
    262 			vendor = SN_VENDOR_APPLE;
    263 		else if (na->drhw == NUBUS_DRHW_APPLE_SN)
    264 			vendor = SN_VENDOR_APPLE16;
    265 		break;
    266 	case NUBUS_DRSW_APPLE:
    267 		if (na->drhw == NUBUS_DRHW_ASANTE_LC)
    268 			vendor = SN_VENDOR_ASANTELC;
    269 		else
    270 			vendor = SN_VENDOR_APPLE;
    271 		break;
    272 	case NUBUS_DRSW_TECHWORKS:
    273 		vendor = SN_VENDOR_APPLE;
    274 		break;
    275 	case NUBUS_DRSW_GATOR:
    276 		if (na->drhw == NUBUS_DRHW_KINETICS &&
    277 		    strncmp(nubus_get_card_name(bst, bsh, na->fmt),
    278 		    "EtherPort", 9) != 0)
    279 			vendor = SN_VENDOR_DAYNA;
    280 		break;
    281 	case NUBUS_DRSW_DAYNA:
    282 		vendor = SN_VENDOR_DAYNA;
    283 		break;
    284 	}
    285 
    286 	return vendor;
    287 }
    288