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if_ne_zbus.c revision 1.14.2.1
      1 /*	$NetBSD: if_ne_zbus.c,v 1.14.2.1 2012/04/17 00:06:02 yamt Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Bernd Ernesti.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: if_ne_zbus.c,v 1.14.2.1 2012/04/17 00:06:02 yamt Exp $");
     34 
     35 /*
     36  * Thanks to Village Tronic for giving me a card.
     37  * Bernd Ernesti
     38  */
     39 
     40 #include <sys/param.h>
     41 #include <sys/device.h>
     42 #include <sys/malloc.h>
     43 #include <sys/mbuf.h>
     44 #include <sys/socket.h>
     45 #include <sys/syslog.h>
     46 #include <sys/systm.h>
     47 #include <sys/bus.h>
     48 
     49 #include <net/if.h>
     50 #include <net/if_media.h>
     51 #include <net/if_ether.h>
     52 
     53 #include <dev/ic/dp8390reg.h>
     54 #include <dev/ic/dp8390var.h>
     55 
     56 #include <dev/ic/ne2000reg.h>
     57 #include <dev/ic/ne2000var.h>
     58 
     59 #include <dev/ic/rtl80x9reg.h>
     60 #include <dev/ic/rtl80x9var.h>
     61 
     62 #include <amiga/amiga/device.h>
     63 #include <amiga/amiga/isr.h>
     64 
     65 #include <amiga/dev/zbusvar.h>
     66 
     67 int	ne_zbus_match(device_t, cfdata_t , void *);
     68 void	ne_zbus_attach(device_t, device_t, void *);
     69 
     70 struct ne_zbus_softc {
     71 	struct ne2000_softc	sc_ne2000;
     72 	struct bus_space_tag	sc_bst;
     73 	struct isr		sc_isr;
     74 };
     75 
     76 CFATTACH_DECL_NEW(ne_zbus, sizeof(struct ne_zbus_softc),
     77     ne_zbus_match, ne_zbus_attach, NULL, NULL);
     78 
     79 /*
     80  * The Amiga address are shifted by one bit to the ISA-Bus, but
     81  * this is handled by the bus_space functions.
     82  */
     83 #define	NE_ARIADNE_II_NPORTS	0x20
     84 #define	NE_ARIADNE_II_NICBASE	0x0300	/* 0x0600 */
     85 #define	NE_ARIADNE_II_NICSIZE	0x10
     86 #define	NE_ARIADNE_II_ASICBASE	0x0310	/* 0x0620 */
     87 #define	NE_ARIADNE_II_ASICSIZE	0x10
     88 
     89 /*
     90  * E3B Deneb firmware v11 creates fake X-Surf autoconfig entry.
     91  * Do not attach ne driver to this fake card, otherwise kernel panic
     92  * may occur.
     93  */
     94 #define DENEB_XSURF_SERNO	0xC0FFEE01	/* Serial of the fake card */
     95 
     96 int
     97 ne_zbus_match(device_t parent, cfdata_t cf, void *aux)
     98 {
     99 	struct zbus_args *zap = aux;
    100 
    101 	/* Ariadne II ethernet card */
    102 	if (zap->manid == 2167 && zap->prodid == 202)
    103 		return (1);
    104 
    105 	/* X-surf ethernet card */
    106 	if (zap->manid == 4626 && zap->prodid == 23) {
    107 		if (zap->serno != DENEB_XSURF_SERNO)
    108 			return (1);
    109 	}
    110 
    111 	return (0);
    112 }
    113 
    114 /*
    115  * Install interface into kernel networking data structures
    116  */
    117 void
    118 ne_zbus_attach(device_t parent, device_t self, void *aux)
    119 {
    120 	struct ne_zbus_softc *zsc = device_private(self);
    121 	struct ne2000_softc *nsc = &zsc->sc_ne2000;
    122 	struct dp8390_softc *dsc = &nsc->sc_dp8390;
    123 	struct zbus_args *zap = aux;
    124 	bus_space_tag_t nict = &zsc->sc_bst;
    125 	bus_space_handle_t nich;
    126 	bus_space_tag_t asict = nict;
    127 	bus_space_handle_t asich;
    128 
    129 	dsc->sc_dev = self;
    130 	dsc->sc_mediachange = rtl80x9_mediachange;
    131 	dsc->sc_mediastatus = rtl80x9_mediastatus;
    132 	dsc->init_card = rtl80x9_init_card;
    133 	dsc->sc_media_init = rtl80x9_media_init;
    134 
    135 	zsc->sc_bst.base = (u_long)zap->va + 0;
    136 	if (zap->manid == 4626)
    137 		 zsc->sc_bst.base += 0x8000;
    138 
    139 	zsc->sc_bst.absm = &amiga_bus_stride_2;
    140 
    141 	aprint_normal("\n");
    142 
    143 	/* Map i/o space. */
    144 	if (bus_space_map(nict, NE_ARIADNE_II_NICBASE, NE_ARIADNE_II_NPORTS, 0, &nich)) {
    145 		aprint_error_dev(self, "can't map nic i/o space\n");
    146 		return;
    147 	}
    148 
    149 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, NE_ARIADNE_II_ASICSIZE,
    150 	    &asich)) {
    151 		aprint_error_dev(self, "can't map asic i/o space\n");
    152 		return;
    153 	}
    154 
    155 	dsc->sc_regt = nict;
    156 	dsc->sc_regh = nich;
    157 
    158 	nsc->sc_asict = asict;
    159 	nsc->sc_asich = asich;
    160 
    161 	/* This interface is always enabled. */
    162 	dsc->sc_enabled = 1;
    163 
    164 	/*
    165 	 * Do generic NE2000 attach.  This will read the station address
    166 	 * from the EEPROM.
    167 	 */
    168 	ne2000_attach(nsc, NULL);
    169 
    170 	zsc->sc_isr.isr_intr = dp8390_intr;
    171 	zsc->sc_isr.isr_arg = dsc;
    172 	zsc->sc_isr.isr_ipl = 2;
    173 	add_isr(&zsc->sc_isr);
    174 }
    175