1 /* $NetBSD: if_ne_xsurf.c,v 1.1 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 34 /* 35 * X-Surf driver, ne(4) attachment. 36 */ 37 38 #include <sys/param.h> 39 #include <sys/device.h> 40 #include <sys/malloc.h> 41 #include <sys/mbuf.h> 42 #include <sys/socket.h> 43 #include <sys/syslog.h> 44 #include <sys/systm.h> 45 #include <sys/bus.h> 46 47 #include <net/if.h> 48 #include <net/if_media.h> 49 #include <net/if_ether.h> 50 51 #include <dev/ic/dp8390reg.h> 52 #include <dev/ic/dp8390var.h> 53 54 #include <dev/ic/ne2000reg.h> 55 #include <dev/ic/ne2000var.h> 56 57 #include <dev/ic/rtl80x9reg.h> 58 #include <dev/ic/rtl80x9var.h> 59 60 #include <amiga/amiga/device.h> 61 #include <amiga/amiga/isr.h> 62 63 #include <amiga/dev/xsurfvar.h> 64 #include <amiga/dev/zbusvar.h> 65 66 int ne_xsurf_match(device_t, cfdata_t , void *); 67 void ne_xsurf_attach(device_t, device_t, void *); 68 69 struct ne_xsurf_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_xsurf, sizeof(struct ne_xsurf_softc), 76 ne_xsurf_match, ne_xsurf_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_XSURF_NPORTS 0x20 83 #define NE_XSURF_NICBASE 0x0300 /* 0x0600 */ 84 #define NE_XSURF_NICSIZE 0x10 85 #define NE_XSURF_ASICBASE 0x0310 /* 0x0620 */ 86 #define NE_XSURF_ASICSIZE 0x10 87 88 #define XSURF_NE_OFFSET 0x8000 89 90 /* 91 * Clockport offsets. 92 */ 93 #define XSURF_CP1_BASE 0xA001 94 #define XSURF_CP2_BASE 0xC000 95 96 /* 97 * E3B Deneb firmware v11 creates fake X-Surf autoconfig entry. 98 * Do not attach ne driver to this fake card, otherwise kernel panic 99 * may occur. 100 */ 101 #define DENEB_XSURF_SERNO 0xC0FFEE01 /* Serial of the fake card */ 102 103 int 104 ne_xsurf_match(device_t parent, cfdata_t cf, void *aux) 105 { 106 struct xsurfbus_attach_args *xap = aux; 107 108 if (strcmp(xap->xaa_name, "ne_xsurf") != 0) 109 return 0; 110 111 return 1; 112 } 113 114 /* 115 * Install interface into kernel networking data structures. 116 */ 117 void 118 ne_xsurf_attach(device_t parent, device_t self, void *aux) 119 { 120 struct ne_xsurf_softc *zsc = device_private(self); 121 struct ne2000_softc *nsc = &zsc->sc_ne2000; 122 struct dp8390_softc *dsc = &nsc->sc_dp8390; 123 124 struct xsurfbus_attach_args *xap = aux; 125 126 bus_space_tag_t nict = &zsc->sc_bst; 127 bus_space_handle_t nich; 128 bus_space_tag_t asict = nict; 129 bus_space_handle_t asich; 130 131 dsc->sc_dev = self; 132 dsc->sc_mediachange = rtl80x9_mediachange; 133 dsc->sc_mediastatus = rtl80x9_mediastatus; 134 dsc->init_card = rtl80x9_init_card; 135 dsc->sc_media_init = rtl80x9_media_init; 136 137 zsc->sc_bst.base = xap->xaa_base; 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_XSURF_NICBASE, 145 NE_XSURF_NPORTS, 0, &nich)) { 146 aprint_error_dev(self, "can't map nic i/o space\n"); 147 return; 148 } 149 150 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 151 NE_XSURF_ASICSIZE, &asich)) { 152 aprint_error_dev(self, "can't map asic i/o space\n"); 153 return; 154 } 155 156 dsc->sc_regt = nict; 157 dsc->sc_regh = nich; 158 159 nsc->sc_asict = asict; 160 nsc->sc_asich = asich; 161 162 /* This interface is always enabled. */ 163 dsc->sc_enabled = 1; 164 165 /* 166 * Do generic NE2000 attach. This will read the station address 167 * from the EEPROM. 168 */ 169 ne2000_attach(nsc, NULL); 170 171 zsc->sc_isr.isr_intr = dp8390_intr; 172 zsc->sc_isr.isr_arg = dsc; 173 zsc->sc_isr.isr_ipl = 2; 174 add_isr(&zsc->sc_isr); 175 } 176