1 /* $NetBSD: if_ne_xsh.c,v 1.4 2013/08/13 15:43:25 rkujawa Exp $ */ 2 3 /*- 4 * Copyright (c) 2013 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Radoslaw Kujawa. 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 100 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 <machine/cpu.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/ax88190var.h> 60 61 #include <amiga/amiga/device.h> 62 #include <amiga/amiga/isr.h> 63 64 #include <amiga/dev/xshvar.h> 65 #include <amiga/dev/zbusvar.h> 66 67 /* #define NE_XSH_DEBUG 1 */ 68 69 int ne_xsh_match(device_t, cfdata_t , void *); 70 void ne_xsh_attach(device_t, device_t, void *); 71 #ifdef NE_XSH_DEBUG 72 void ne_xsh_debug_mapping(bus_space_tag_t, bus_space_handle_t, 73 bus_space_handle_t); 74 #endif /* NE_XSH_DEBUG */ 75 76 struct ne_xsh_softc { 77 struct ne2000_softc sc_ne2000; 78 struct bus_space_tag sc_bst; 79 struct isr sc_isr; 80 }; 81 82 CFATTACH_DECL_NEW(ne_xsh, sizeof(struct ne_xsh_softc), 83 ne_xsh_match, ne_xsh_attach, NULL, NULL); 84 85 int 86 ne_xsh_match(device_t parent, cfdata_t cf, void *aux) 87 { 88 struct xshbus_attach_args *xap = aux; 89 90 if (strcmp(xap->xaa_name, "ne_xsh") != 0) 91 return 0; 92 93 return 1; 94 } 95 96 void 97 ne_xsh_attach(device_t parent, device_t self, void *aux) 98 { 99 struct ne_xsh_softc *zsc = device_private(self); 100 struct ne2000_softc *nsc = &zsc->sc_ne2000; 101 struct dp8390_softc *dsc = &nsc->sc_dp8390; 102 103 struct xshbus_attach_args *xap = aux; 104 105 bus_space_tag_t xsht; 106 bus_space_handle_t nich; 107 bus_space_handle_t asich; 108 109 dsc->sc_dev = self; 110 111 zsc->sc_bst.base = xap->xaa_base; 112 zsc->sc_bst.absm = &amiga_bus_stride_4; 113 114 aprint_normal("\n"); 115 116 xsht = &zsc->sc_bst; 117 118 /* Map the NIC and ASIC spaces. */ 119 if (bus_space_map(xsht, NE2000_NIC_OFFSET, NE2000_NPORTS, 0, &nich)) { 120 aprint_error_dev(self, "can't map nic i/o space\n"); 121 return; 122 } 123 if (bus_space_subregion(xsht, nich, NE2000_ASIC_OFFSET, 124 NE2000_ASIC_NPORTS, &asich)) { 125 aprint_error_dev(self, "can't map asic i/o space\n"); 126 return; 127 } 128 129 #ifdef NE_XSH_DEBUG 130 ne_xsh_debug_mapping(xsht, nich, asich); 131 #endif /* NE_XSH_DEBUG */ 132 133 dsc->sc_regt = xsht; 134 dsc->sc_regh = nich; 135 136 nsc->sc_asict = xsht; 137 nsc->sc_asich = asich; 138 139 /* This interface is always enabled. */ 140 dsc->sc_enabled = 1; 141 142 nsc->sc_type = NE2000_TYPE_AX88796; 143 144 dsc->sc_mediachange = ax88190_mediachange; 145 dsc->sc_mediastatus = ax88190_mediastatus; 146 dsc->init_card = ax88190_init_card; 147 dsc->stop_card = ax88190_stop_card; 148 dsc->sc_media_init = ax88190_media_init; 149 dsc->sc_media_fini = ax88190_media_fini; 150 151 /* 152 * Do generic NE2000 attach. This will read the station address 153 * from the EEPROM. 154 */ 155 ne2000_attach(nsc, NULL); 156 157 zsc->sc_isr.isr_intr = dp8390_intr; 158 zsc->sc_isr.isr_arg = dsc; 159 zsc->sc_isr.isr_ipl = 2; 160 add_isr(&zsc->sc_isr); 161 } 162 163 #ifdef NE_XSH_DEBUG 164 void 165 ne_xsh_debug_mapping(bus_space_tag_t xsht, bus_space_handle_t nich, 166 bus_space_handle_t asich) 167 { 168 bus_addr_t va; 169 int i; 170 171 aprint_normal("xsh: NIC mapping: "); 172 for(va = nich, i = 0; i < NE2000_NIC_NPORTS; i++) { 173 aprint_normal("%x:%x ", i, kvtop((void*) (va+i))); 174 } 175 aprint_normal("\n"); 176 177 aprint_normal("xsh: ASIC mapping: "); 178 for(va = asich, i = 0; i < NE2000_ASIC_NPORTS; i++) { 179 aprint_normal("%x:%x ", i, kvtop((void*) (va+i))); 180 } 181 aprint_normal("\n"); 182 } 183 #endif /* NE_XSH_DEBUG */ 184