if_sm_isa.c revision 1.3
1 /* $NetBSD: if_sm_isa.c,v 1.3 1998/07/05 00:51:22 jonathan 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 "opt_inet.h" 41 #include "bpfilter.h" 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/mbuf.h> 46 #include <sys/socket.h> 47 #include <sys/ioctl.h> 48 #include <sys/errno.h> 49 #include <sys/syslog.h> 50 #include <sys/select.h> 51 #include <sys/device.h> 52 53 #include <net/if.h> 54 #include <net/if_dl.h> 55 #include <net/if_ether.h> 56 #include <net/if_media.h> 57 58 #ifdef INET 59 #include <netinet/in.h> 60 #include <netinet/in_systm.h> 61 #include <netinet/in_var.h> 62 #include <netinet/ip.h> 63 #include <netinet/if_inarp.h> 64 #endif 65 66 #ifdef NS 67 #include <netns/ns.h> 68 #include <netns/ns_if.h> 69 #endif 70 71 #if NBPFILTER > 0 72 #include <net/bpf.h> 73 #include <net/bpfdesc.h> 74 #endif 75 76 #include <machine/intr.h> 77 #include <machine/bus.h> 78 79 #include <dev/ic/smc91cxxreg.h> 80 #include <dev/ic/smc91cxxvar.h> 81 82 #include <dev/isa/isavar.h> 83 84 int sm_isa_match __P((struct device *, struct cfdata *, void *)); 85 void sm_isa_attach __P((struct device *, struct device *, void *)); 86 87 struct sm_isa_softc { 88 struct smc91cxx_softc sc_smc; /* real "smc" softc */ 89 90 /* ISA-specific goo. */ 91 void *sc_ih; /* interrupt cookie */ 92 }; 93 94 struct cfattach sm_isa_ca = { 95 sizeof(struct sm_isa_softc), sm_isa_match, sm_isa_attach 96 }; 97 98 int 99 sm_isa_match(parent, match, aux) 100 struct device *parent; 101 struct cfdata *match; 102 void *aux; 103 { 104 struct isa_attach_args *ia = aux; 105 bus_space_tag_t iot = ia->ia_iot; 106 bus_space_handle_t ioh; 107 u_int16_t tmp; 108 int rv = 0; 109 extern const char *smc91cxx_idstrs[]; 110 111 /* Disallow wildcarded values. */ 112 if (ia->ia_irq == -1) 113 return (0); 114 if (ia->ia_iobase == -1) 115 return (0); 116 117 /* Map i/o space. */ 118 if (bus_space_map(iot, ia->ia_iobase, SMC_IOSIZE, 0, &ioh)) 119 return (0); 120 121 /* Check that high byte of BANK_SELECT is what we expect. */ 122 tmp = bus_space_read_2(iot, ioh, BANK_SELECT_REG_W); 123 if ((tmp & BSR_DETECT_MASK) != BSR_DETECT_VALUE) 124 goto out; 125 126 /* 127 * Switch to bank 0 and perform the test again. 128 * XXX INVASIVE! 129 */ 130 bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 0); 131 tmp = bus_space_read_2(iot, ioh, BANK_SELECT_REG_W); 132 if ((tmp & BSR_DETECT_MASK) != BSR_DETECT_VALUE) 133 goto out; 134 135 /* 136 * Switch to bank 1 and check the base address register. 137 * XXX INVASIVE! 138 */ 139 bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 1); 140 tmp = bus_space_read_2(iot, ioh, BASE_ADDR_REG_W); 141 if (ia->ia_iobase != ((tmp >> 3) & 0x3e0)) 142 goto out; 143 144 /* 145 * Check for a recognized chip id. 146 * XXX INVASIVE! 147 */ 148 bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 3); 149 tmp = bus_space_read_2(iot, ioh, REVISION_REG_W); 150 if (smc91cxx_idstrs[RR_ID(tmp)] == NULL) 151 goto out; 152 153 /* 154 * Assume we have an SMC91Cxx. 155 */ 156 ia->ia_iosize = SMC_IOSIZE; 157 rv = 1; 158 159 out: 160 bus_space_unmap(iot, ioh, SMC_IOSIZE); 161 return (rv); 162 } 163 164 void 165 sm_isa_attach(parent, self, aux) 166 struct device *parent, *self; 167 void *aux; 168 { 169 struct sm_isa_softc *isc = (struct sm_isa_softc *)self; 170 struct smc91cxx_softc *sc = &isc->sc_smc; 171 struct isa_attach_args *ia = aux; 172 bus_space_tag_t iot = ia->ia_iot; 173 bus_space_handle_t ioh; 174 175 printf("\n"); 176 177 /* Map i/o space. */ 178 if (bus_space_map(iot, ia->ia_iobase, ia->ia_iosize, 0, &ioh)) 179 panic("sm_isa_attach: can't map i/o space"); 180 181 sc->sc_bst = iot; 182 sc->sc_bsh = ioh; 183 184 /* should always be enabled */ 185 sc->sc_enabled = 1; 186 187 /* XXX Should get Ethernet address from EEPROM!! */ 188 189 /* Perform generic intialization. */ 190 smc91cxx_attach(sc, NULL); 191 192 /* Establish the interrupt handler. */ 193 isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 194 IPL_NET, smc91cxx_intr, sc); 195 if (isc->sc_ih == NULL) 196 printf("%s: couldn't establish interrupt handler\n", 197 sc->sc_dev.dv_xname); 198 } 199
Indexes created Tue Sep 23 14:10:03 GMT 2025