1 /* $NetBSD: if_ne_xsurf.c,v 1.2 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 34 /* 35 * X-Surf driver, ne(4) attachment. 36 */ 37 38 #include <sys/param.h> 39 #include <sys/device.h> 40 #include <sys/mbuf.h> 41 #include <sys/socket.h> 42 #include <sys/syslog.h> 43 #include <sys/systm.h> 44 #include <sys/bus.h> 45 46 #include <net/if.h> 47 #include <net/if_media.h> 48 #include <net/if_ether.h> 49 50 #include <dev/ic/dp8390reg.h> 51 #include <dev/ic/dp8390var.h> 52 53 #include <dev/ic/ne2000reg.h> 54 #include <dev/ic/ne2000var.h> 55 56 #include <dev/ic/rtl80x9reg.h> 57 #include <dev/ic/rtl80x9var.h> 58 59 #include <amiga/amiga/device.h> 60 #include <amiga/amiga/isr.h> 61 62 #include <amiga/dev/xsurfvar.h> 63 #include <amiga/dev/zbusvar.h> 64 65 int ne_xsurf_match(device_t, cfdata_t , void *); 66 void ne_xsurf_attach(device_t, device_t, void *); 67 68 struct ne_xsurf_softc { 69 struct ne2000_softc sc_ne2000; 70 struct bus_space_tag sc_bst; 71 struct isr sc_isr; 72 }; 73 74 CFATTACH_DECL_NEW(ne_xsurf, sizeof(struct ne_xsurf_softc), 75 ne_xsurf_match, ne_xsurf_attach, NULL, NULL); 76 77 /* 78 * The Amiga address are shifted by one bit to the ISA-Bus, but 79 * this is handled by the bus_space functions. 80 */ 81 #define NE_XSURF_NPORTS 0x20 82 #define NE_XSURF_NICBASE 0x0300 /* 0x0600 */ 83 #define NE_XSURF_NICSIZE 0x10 84 #define NE_XSURF_ASICBASE 0x0310 /* 0x0620 */ 85 #define NE_XSURF_ASICSIZE 0x10 86 87 #define XSURF_NE_OFFSET 0x8000 88 89 /* 90 * Clockport offsets. 91 */ 92 #define XSURF_CP1_BASE 0xA001 93 #define XSURF_CP2_BASE 0xC000 94 95 /* 96 * E3B Deneb firmware v11 creates fake X-Surf autoconfig entry. 97 * Do not attach ne driver to this fake card, otherwise kernel panic 98 * may occur. 99 */ 100 #define DENEB_XSURF_SERNO 0xC0FFEE01 /* Serial of the fake card */ 101 102 int 103 ne_xsurf_match(device_t parent, cfdata_t cf, void *aux) 104 { 105 struct xsurfbus_attach_args *xap = aux; 106 107 if (strcmp(xap->xaa_name, "ne_xsurf") != 0) 108 return 0; 109 110 return 1; 111 } 112 113 /* 114 * Install interface into kernel networking data structures. 115 */ 116 void 117 ne_xsurf_attach(device_t parent, device_t self, void *aux) 118 { 119 struct ne_xsurf_softc *zsc = device_private(self); 120 struct ne2000_softc *nsc = &zsc->sc_ne2000; 121 struct dp8390_softc *dsc = &nsc->sc_dp8390; 122 123 struct xsurfbus_attach_args *xap = aux; 124 125 bus_space_tag_t nict = &zsc->sc_bst; 126 bus_space_handle_t nich; 127 bus_space_tag_t asict = nict; 128 bus_space_handle_t asich; 129 130 dsc->sc_dev = self; 131 dsc->sc_mediachange = rtl80x9_mediachange; 132 dsc->sc_mediastatus = rtl80x9_mediastatus; 133 dsc->init_card = rtl80x9_init_card; 134 dsc->sc_media_init = rtl80x9_media_init; 135 136 zsc->sc_bst.base = xap->xaa_base; 137 138 zsc->sc_bst.absm = &amiga_bus_stride_2; 139 140 aprint_normal("\n"); 141 142 /* Map i/o space. */ 143 if (bus_space_map(nict, NE_XSURF_NICBASE, 144 NE_XSURF_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, 150 NE_XSURF_ASICSIZE, &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
Indexes created Fri Oct 03 02:09:57 GMT 2025