1 /* $NetBSD: if_ne_zbus.c,v 1.17 2023/12/20 00:40:42 thorpej 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 1.17 2023/12/20 00:40:42 thorpej 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/mbuf.h> 43 #include <sys/socket.h> 44 #include <sys/syslog.h> 45 #include <sys/systm.h> 46 #include <sys/bus.h> 47 48 #include <net/if.h> 49 #include <net/if_media.h> 50 #include <net/if_ether.h> 51 52 #include <dev/ic/dp8390reg.h> 53 #include <dev/ic/dp8390var.h> 54 55 #include <dev/ic/ne2000reg.h> 56 #include <dev/ic/ne2000var.h> 57 58 #include <dev/ic/rtl80x9reg.h> 59 #include <dev/ic/rtl80x9var.h> 60 61 #include <amiga/amiga/device.h> 62 #include <amiga/amiga/isr.h> 63 64 #include <amiga/dev/zbusvar.h> 65 66 int ne_zbus_match(device_t, cfdata_t , void *); 67 void ne_zbus_attach(device_t, device_t, void *); 68 69 struct ne_zbus_softc { 70 struct ne2000_softc sc_ne2000; 71 struct bus_space_tag sc_bst; 72 struct isr sc_isr; 73 }; 74 75 CFATTACH_DECL_NEW(ne_zbus, sizeof(struct ne_zbus_softc), 76 ne_zbus_match, ne_zbus_attach, NULL, NULL); 77 78 /* 79 * The Amiga address are shifted by one bit to the ISA-Bus, but 80 * this is handled by the bus_space functions. 81 */ 82 #define NE_ARIADNE_II_NPORTS 0x20 83 #define NE_ARIADNE_II_NICBASE 0x0300 /* 0x0600 */ 84 #define NE_ARIADNE_II_NICSIZE 0x10 85 #define NE_ARIADNE_II_ASICBASE 0x0310 /* 0x0620 */ 86 #define NE_ARIADNE_II_ASICSIZE 0x10 87 88 int 89 ne_zbus_match(device_t parent, cfdata_t cf, void *aux) 90 { 91 struct zbus_args *zap = aux; 92 93 /* Ariadne II ethernet card */ 94 if (zap->manid == 2167 && zap->prodid == 202) 95 return (1); 96 97 return (0); 98 } 99 100 /* 101 * Install interface into kernel networking data structures 102 */ 103 void 104 ne_zbus_attach(device_t parent, device_t self, void *aux) 105 { 106 struct ne_zbus_softc *zsc = device_private(self); 107 struct ne2000_softc *nsc = &zsc->sc_ne2000; 108 struct dp8390_softc *dsc = &nsc->sc_dp8390; 109 struct zbus_args *zap = aux; 110 bus_space_tag_t nict = &zsc->sc_bst; 111 bus_space_handle_t nich; 112 bus_space_tag_t asict = nict; 113 bus_space_handle_t asich; 114 115 dsc->sc_dev = self; 116 dsc->sc_mediachange = rtl80x9_mediachange; 117 dsc->sc_mediastatus = rtl80x9_mediastatus; 118 dsc->init_card = rtl80x9_init_card; 119 dsc->sc_media_init = rtl80x9_media_init; 120 121 zsc->sc_bst.base = (u_long)zap->va + 0; 122 123 zsc->sc_bst.absm = &amiga_bus_stride_2; 124 125 aprint_normal("\n"); 126 127 /* Map i/o space. */ 128 if (bus_space_map(nict, NE_ARIADNE_II_NICBASE, NE_ARIADNE_II_NPORTS, 0, &nich)) { 129 aprint_error_dev(self, "can't map nic i/o space\n"); 130 return; 131 } 132 133 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, NE_ARIADNE_II_ASICSIZE, 134 &asich)) { 135 aprint_error_dev(self, "can't map asic i/o space\n"); 136 return; 137 } 138 139 dsc->sc_regt = nict; 140 dsc->sc_regh = nich; 141 142 nsc->sc_asict = asict; 143 nsc->sc_asich = asich; 144 145 /* This interface is always enabled. */ 146 dsc->sc_enabled = 1; 147 148 /* 149 * Do generic NE2000 attach. This will read the station address 150 * from the EEPROM. 151 */ 152 ne2000_attach(nsc, NULL); 153 154 zsc->sc_isr.isr_intr = dp8390_intr; 155 zsc->sc_isr.isr_arg = dsc; 156 zsc->sc_isr.isr_ipl = 2; 157 add_isr(&zsc->sc_isr); 158 } 159