1/* $OpenBSD: if_ne_cbus.c,v 1.5 2024/06/01 00:48:16 aoyama Exp $ */ 2/* $NetBSD: if_ne_isa.c,v 1.6 1998/07/05 06:49:13 jonathan Exp $ */ 3 4/*- 5 * Copyright (c) 1997 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 10 * NASA Ames Research Center. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34/* 35 * Driver for C-bus NE2000 based Ethernet board 36 * based on: OpenBSD:src/sys/dev/isa/if_ne_isa.c 37 */ 38 39/* 40 * Supported boards: 41 * - Allied Telesis CentreCOM LA-98 series 42 * Available configuration: 43 * INT(IRQ): 0(3), 1(5), 2(6), 3(9), 4(10), 5(12), 6(13) (default: INT0) 44 * I/O address: 0xc8d0, 0xc2d0, 0xc4d0, 0xc460, 0xc9d0, 0xcad0, 0xcbd0 45 * (default 0xc8d0) 46 */ 47 48#include "bpfilter.h" 49 50#include <sys/param.h> 51#include <sys/systm.h> 52#include <sys/mbuf.h> 53#include <sys/socket.h> 54#include <sys/ioctl.h> 55#include <sys/errno.h> 56#include <sys/syslog.h> 57#include <sys/device.h> 58 59#include <net/if.h> 60#include <net/if_media.h> 61 62#include <netinet/in.h> 63#include <netinet/if_ether.h> 64 65#if NBPFILTER > 0 66#include <net/bpf.h> 67#endif 68 69#include <machine/board.h> /* PC_BASE */ 70#include <machine/bus.h> 71#include <machine/intr.h> 72 73#include <dev/ic/dp8390reg.h> 74#include <dev/ic/dp8390var.h> 75 76#include <dev/ic/ne2000reg.h> 77#include <dev/ic/ne2000var.h> 78 79#include <dev/ic/rtl80x9reg.h> 80#include <dev/ic/rtl80x9var.h> 81 82#include <arch/luna88k/cbus/cbusvar.h> 83 84/* bus space tag for if_ne_cbus */ 85struct luna88k_bus_space_tag ne_cbus_io_bst = { 86 .bs_stride_1 = 0, 87 .bs_stride_2 = 0, 88 .bs_stride_4 = 0, 89 .bs_stride_8 = 0, /* not used */ 90 .bs_offset = PCEXIO_BASE, 91 .bs_flags = TAG_LITTLE_ENDIAN 92}; 93 94int ne_cbus_match(struct device *, void *, void *); 95void ne_cbus_attach(struct device *, struct device *, void *); 96 97struct ne_cbus_softc { 98 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 99 100 /* C-bus specific goo. */ 101 void *sc_ih; /* interrupt cookie */ 102}; 103 104const struct cfattach ne_cbus_ca = { 105 sizeof(struct ne_cbus_softc), ne_cbus_match, ne_cbus_attach 106}; 107 108int 109ne_cbus_match(struct device *parent, void *match, void *aux) 110{ 111 struct ne_cbus_softc *csc = match; 112 struct ne2000_softc *nsc = &csc->sc_ne2000; 113 struct dp8390_softc *dsc = &nsc->sc_dp8390; 114 struct cbus_attach_args *caa = aux; 115 bus_space_tag_t nict = &ne_cbus_io_bst; 116 bus_space_handle_t nich; 117 bus_space_tag_t asict; 118 bus_space_handle_t asich; 119 struct cfdata *cf = match; 120 121 if (strcmp(caa->ca_name, cf->cf_driver->cd_name) != 0) 122 return (0); 123 124 SET_TAG_LITTLE_ENDIAN(nict); 125 126 caa->ca_iobase = cf->cf_iobase; 127 caa->ca_int = cf->cf_int; 128 129 /* Disallow wildcarded values. */ 130 if (caa->ca_int == -1) 131 return (0); 132 if (caa->ca_iobase == -1) 133 return (0); 134 135#if 0 /* XXX: Is this not true on PC-9801? */ 136 /* Make sure this is a valid NE[12]000 i/o address. */ 137 if ((caa->ca_iobase & 0x1f) != 0) 138 return (0); 139#endif 140 /* Map i/o space. */ 141 if (bus_space_map(nict, caa->ca_iobase, NE2000_NPORTS, 0, &nich)) 142 return (0); 143 144 asict = nict; 145 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 146 NE2000_ASIC_NPORTS, &asich)) 147 goto out; 148 149 dsc->sc_regt = nict; 150 dsc->sc_regh = nich; 151 152 nsc->sc_asict = asict; 153 nsc->sc_asich = asich; 154 155 /* Look for an NE2000-compatible card. */ 156 nsc->sc_type = ne2000_detect(nsc); 157 158 if (nsc->sc_type) 159 caa->ca_iosize = NE2000_NPORTS; 160 161 out: 162 bus_space_unmap(nict, nich, NE2000_NPORTS); 163 return (nsc->sc_type); 164} 165 166void 167ne_cbus_attach(struct device *parent, struct device *self, void *aux) 168{ 169 struct ne_cbus_softc *csc = (void *)self; 170 struct ne2000_softc *nsc = &csc->sc_ne2000; 171 struct dp8390_softc *dsc = &nsc->sc_dp8390; 172 struct cbus_attach_args *caa = aux; 173 bus_space_tag_t nict = &ne_cbus_io_bst; 174 bus_space_handle_t nich; 175 bus_space_tag_t asict = nict; 176 bus_space_handle_t asich; 177 const char *typestr; 178 179 /* Map i/o space. */ 180 if (bus_space_map(nict, caa->ca_iobase, NE2000_NPORTS, 0, &nich)) { 181 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname); 182 return; 183 } 184 185 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 186 NE2000_ASIC_NPORTS, &asich)) { 187 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname); 188 return; 189 } 190 191 dsc->sc_regt = nict; 192 dsc->sc_regh = nich; 193 194 nsc->sc_asict = asict; 195 nsc->sc_asich = asich; 196 197 /* Look for an NE2000-compatible card. */ 198 nsc->sc_type = ne2000_detect(nsc); 199 200 switch (nsc->sc_type) { 201 case NE2000_TYPE_NE1000: 202 typestr = "NE1000"; 203 break; 204 205 case NE2000_TYPE_NE2000: 206 typestr = "NE2000"; 207 /* 208 * Check for a Realtek 8019. 209 */ 210 bus_space_write_1(nict, nich, ED_P0_CR, 211 ED_CR_PAGE_0 | ED_CR_STP); 212 if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) == 213 RTL0_8019ID0 && 214 bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) == 215 RTL0_8019ID1) { 216 typestr = "NE2000 (RTL8019)"; 217 dsc->sc_mediachange = rtl80x9_mediachange; 218 dsc->sc_mediastatus = rtl80x9_mediastatus; 219 dsc->init_card = rtl80x9_init_card; 220 dsc->sc_media_init = rtl80x9_media_init; 221 } 222 break; 223 224 default: 225 printf(": where did the card go?!\n"); 226 return; 227 } 228 229 printf(", %s", typestr); 230 231 /* This interface is always enabled. */ 232 dsc->sc_enabled = 1; 233 234 /* 235 * Do generic NE2000 attach. This will read the station address 236 * from the EEPROM. 237 */ 238 ne2000_attach(nsc, NULL); 239 240 /* Establish the interrupt handler. */ 241 if (cbus_isrlink(dp8390_intr, dsc, caa->ca_int, IPL_NET, 242 dsc->sc_dev.dv_xname) != 0) 243 printf(": couldn't establish interrupt handler\n"); 244} 245