1 /* $NetBSD: if_sm_isa.c,v 1.1 1997/11/05 06:06:07 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 #include "bpfilter.h" 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/mbuf.h> 45 #include <sys/socket.h> 46 #include <sys/ioctl.h> 47 #include <sys/errno.h> 48 #include <sys/syslog.h> 49 #include <sys/select.h> 50 #include <sys/device.h> 51 52 #include <net/if.h> 53 #include <net/if_dl.h> 54 #include <net/if_ether.h> 55 #include <net/if_media.h> 56 57 #ifdef INET 58 #include <netinet/in.h> 59 #include <netinet/in_systm.h> 60 #include <netinet/in_var.h> 61 #include <netinet/ip.h> 62 #include <netinet/if_inarp.h> 63 #endif 64 65 #ifdef NS 66 #include <netns/ns.h> 67 #include <netns/ns_if.h> 68 #endif 69 70 #if NBPFILTER > 0 71 #include <net/bpf.h> 72 #include <net/bpfdesc.h> 73 #endif 74 75 #include <machine/intr.h> 76 #include <machine/bus.h> 77 78 #include <dev/ic/smc91cxxreg.h> 79 #include <dev/ic/smc91cxxvar.h> 80 81 #include <dev/isa/isavar.h> 82 83 #ifdef __BROKEN_INDIRECT_CONFIG 84 int sm_isa_match __P((struct device *, void *, void *)); 85 #else 86 int sm_isa_match __P((struct device *, struct cfdata *, void *)); 87 #endif 88 void sm_isa_attach __P((struct device *, struct device *, void *)); 89 90 struct sm_isa_softc { 91 struct smc91cxx_softc sc_smc; /* real "smc" softc */ 92 93 /* ISA-specific goo. */ 94 void *sc_ih; /* interrupt cookie */ 95 }; 96 97 struct cfattach sm_isa_ca = { 98 sizeof(struct sm_isa_softc), sm_isa_match, sm_isa_attach 99 }; 100 101 int 102 sm_isa_match(parent, match, aux) 103 struct device *parent; 104 #ifdef __BROKEN_INDIRECT_CONFIG 105 void *match; 106 #else 107 struct cfdata *match; 108 #endif 109 void *aux; 110 { 111 struct isa_attach_args *ia = aux; 112 bus_space_tag_t iot = ia->ia_iot; 113 bus_space_handle_t ioh; 114 u_int16_t tmp; 115 int rv = 0; 116 extern const char *smc91cxx_idstrs[]; 117 118 /* Disallow wildcarded values. */ 119 if (ia->ia_irq == -1) 120 return (0); 121 if (ia->ia_iobase == -1) 122 return (0); 123 124 /* Map i/o space. */ 125 if (bus_space_map(iot, ia->ia_iobase, SMC_IOSIZE, 0, &ioh)) 126 return (0); 127 128 /* Check that high byte of BANK_SELECT is what we expect. */ 129 tmp = bus_space_read_2(iot, ioh, BANK_SELECT_REG_W); 130 if ((tmp & BSR_DETECT_MASK) != BSR_DETECT_VALUE) 131 goto out; 132 133 /* 134 * Switch to bank 0 and perform the test again. 135 * XXX INVASIVE! 136 */ 137 bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 0); 138 tmp = bus_space_read_2(iot, ioh, BANK_SELECT_REG_W); 139 if ((tmp & BSR_DETECT_MASK) != BSR_DETECT_VALUE) 140 goto out; 141 142 /* 143 * Switch to bank 1 and check the base address register. 144 * XXX INVASIVE! 145 */ 146 bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 1); 147 tmp = bus_space_read_2(iot, ioh, BASE_ADDR_REG_W); 148 if (ia->ia_iobase != ((tmp >> 3) & 0x3e0)) 149 goto out; 150 151 /* 152 * Check for a recognized chip id. 153 * XXX INVASIVE! 154 */ 155 bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 3); 156 tmp = bus_space_read_2(iot, ioh, REVISION_REG_W); 157 if (smc91cxx_idstrs[RR_ID(tmp)] == NULL) 158 goto out; 159 160 /* 161 * Assume we have an SMC91Cxx. 162 */ 163 ia->ia_iosize = SMC_IOSIZE; 164 rv = 1; 165 166 out: 167 bus_space_unmap(iot, ioh, SMC_IOSIZE); 168 return (rv); 169 } 170 171 void 172 sm_isa_attach(parent, self, aux) 173 struct device *parent, *self; 174 void *aux; 175 { 176 struct sm_isa_softc *isc = (struct sm_isa_softc *)self; 177 struct smc91cxx_softc *sc = &isc->sc_smc; 178 struct isa_attach_args *ia = aux; 179 bus_space_tag_t iot = ia->ia_iot; 180 bus_space_handle_t ioh; 181 182 printf("\n"); 183 184 /* Map i/o space. */ 185 if (bus_space_map(iot, ia->ia_iobase, ia->ia_iosize, 0, &ioh)) 186 panic("sm_isa_attach: can't map i/o space"); 187 188 sc->sc_bst = iot; 189 sc->sc_bsh = ioh; 190 191 /* should always be enabled */ 192 sc->sc_enabled = 1; 193 194 /* XXX Should get Ethernet address from EEPROM!! */ 195 196 /* Perform generic intialization. */ 197 smc91cxx_attach(sc, NULL); 198 199 /* Establish the interrupt handler. */ 200 isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 201 IPL_NET, smc91cxx_intr, sc); 202 if (isc->sc_ih == NULL) 203 printf("%s: couldn't establish interrupt handler\n", 204 sc->sc_dev.dv_xname); 205 } 206