1 /* $NetBSD: if_ne_zbus.c,v 1.16 2012/05/15 17:35:44 rkujawa 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 1.16 2012/05/15 17:35:44 rkujawa 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 int 90 ne_zbus_match(device_t parent, cfdata_t cf, void *aux) 91 { 92 struct zbus_args *zap = aux; 93 94 /* Ariadne II ethernet card */ 95 if (zap->manid == 2167 && zap->prodid == 202) 96 return (1); 97 98 return (0); 99 } 100 101 /* 102 * Install interface into kernel networking data structures 103 */ 104 void 105 ne_zbus_attach(device_t parent, device_t self, void *aux) 106 { 107 struct ne_zbus_softc *zsc = device_private(self); 108 struct ne2000_softc *nsc = &zsc->sc_ne2000; 109 struct dp8390_softc *dsc = &nsc->sc_dp8390; 110 struct zbus_args *zap = aux; 111 bus_space_tag_t nict = &zsc->sc_bst; 112 bus_space_handle_t nich; 113 bus_space_tag_t asict = nict; 114 bus_space_handle_t asich; 115 116 dsc->sc_dev = self; 117 dsc->sc_mediachange = rtl80x9_mediachange; 118 dsc->sc_mediastatus = rtl80x9_mediastatus; 119 dsc->init_card = rtl80x9_init_card; 120 dsc->sc_media_init = rtl80x9_media_init; 121 122 zsc->sc_bst.base = (u_long)zap->va + 0; 123 124 zsc->sc_bst.absm = &amiga_bus_stride_2; 125 126 aprint_normal("\n"); 127 128 /* Map i/o space. */ 129 if (bus_space_map(nict, NE_ARIADNE_II_NICBASE, NE_ARIADNE_II_NPORTS, 0, &nich)) { 130 aprint_error_dev(self, "can't map nic i/o space\n"); 131 return; 132 } 133 134 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, NE_ARIADNE_II_ASICSIZE, 135 &asich)) { 136 aprint_error_dev(self, "can't map asic i/o space\n"); 137 return; 138 } 139 140 dsc->sc_regt = nict; 141 dsc->sc_regh = nich; 142 143 nsc->sc_asict = asict; 144 nsc->sc_asich = asich; 145 146 /* This interface is always enabled. */ 147 dsc->sc_enabled = 1; 148 149 /* 150 * Do generic NE2000 attach. This will read the station address 151 * from the EEPROM. 152 */ 153 ne2000_attach(nsc, NULL); 154 155 zsc->sc_isr.isr_intr = dp8390_intr; 156 zsc->sc_isr.isr_arg = dsc; 157 zsc->sc_isr.isr_ipl = 2; 158 add_isr(&zsc->sc_isr); 159 } 160