if_sm_isa.c revision 1.4
1 /* $NetBSD: if_sm_isa.c,v 1.4 1998/07/05 06:49:14 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 "opt_ns.h" 42 #include "bpfilter.h" 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/mbuf.h> 47 #include <sys/socket.h> 48 #include <sys/ioctl.h> 49 #include <sys/errno.h> 50 #include <sys/syslog.h> 51 #include <sys/select.h> 52 #include <sys/device.h> 53 54 #include <net/if.h> 55 #include <net/if_dl.h> 56 #include <net/if_ether.h> 57 #include <net/if_media.h> 58 59 #ifdef INET 60 #include <netinet/in.h> 61 #include <netinet/in_systm.h> 62 #include <netinet/in_var.h> 63 #include <netinet/ip.h> 64 #include <netinet/if_inarp.h> 65 #endif 66 67 #ifdef NS 68 #include <netns/ns.h> 69 #include <netns/ns_if.h> 70 #endif 71 72 #if NBPFILTER > 0 73 #include <net/bpf.h> 74 #include <net/bpfdesc.h> 75 #endif 76 77 #include <machine/intr.h> 78 #include <machine/bus.h> 79 80 #include <dev/ic/smc91cxxreg.h> 81 #include <dev/ic/smc91cxxvar.h> 82 83 #include <dev/isa/isavar.h> 84 85 int sm_isa_match __P((struct device *, struct cfdata *, void *)); 86 void sm_isa_attach __P((struct device *, struct device *, void *)); 87 88 struct sm_isa_softc { 89 struct smc91cxx_softc sc_smc; /* real "smc" softc */ 90 91 /* ISA-specific goo. */ 92 void *sc_ih; /* interrupt cookie */ 93 }; 94 95 struct cfattach sm_isa_ca = { 96 sizeof(struct sm_isa_softc), sm_isa_match, sm_isa_attach 97 }; 98 99 int 100 sm_isa_match(parent, match, aux) 101 struct device *parent; 102 struct cfdata *match; 103 void *aux; 104 { 105 struct isa_attach_args *ia = aux; 106 bus_space_tag_t iot = ia->ia_iot; 107 bus_space_handle_t ioh; 108 u_int16_t tmp; 109 int rv = 0; 110 extern const char *smc91cxx_idstrs[]; 111 112 /* Disallow wildcarded values. */ 113 if (ia->ia_irq == -1) 114 return (0); 115 if (ia->ia_iobase == -1) 116 return (0); 117 118 /* Map i/o space. */ 119 if (bus_space_map(iot, ia->ia_iobase, SMC_IOSIZE, 0, &ioh)) 120 return (0); 121 122 /* Check that high byte of BANK_SELECT is what we expect. */ 123 tmp = bus_space_read_2(iot, ioh, BANK_SELECT_REG_W); 124 if ((tmp & BSR_DETECT_MASK) != BSR_DETECT_VALUE) 125 goto out; 126 127 /* 128 * Switch to bank 0 and perform the test again. 129 * XXX INVASIVE! 130 */ 131 bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 0); 132 tmp = bus_space_read_2(iot, ioh, BANK_SELECT_REG_W); 133 if ((tmp & BSR_DETECT_MASK) != BSR_DETECT_VALUE) 134 goto out; 135 136 /* 137 * Switch to bank 1 and check the base address register. 138 * XXX INVASIVE! 139 */ 140 bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 1); 141 tmp = bus_space_read_2(iot, ioh, BASE_ADDR_REG_W); 142 if (ia->ia_iobase != ((tmp >> 3) & 0x3e0)) 143 goto out; 144 145 /* 146 * Check for a recognized chip id. 147 * XXX INVASIVE! 148 */ 149 bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 3); 150 tmp = bus_space_read_2(iot, ioh, REVISION_REG_W); 151 if (smc91cxx_idstrs[RR_ID(tmp)] == NULL) 152 goto out; 153 154 /* 155 * Assume we have an SMC91Cxx. 156 */ 157 ia->ia_iosize = SMC_IOSIZE; 158 rv = 1; 159 160 out: 161 bus_space_unmap(iot, ioh, SMC_IOSIZE); 162 return (rv); 163 } 164 165 void 166 sm_isa_attach(parent, self, aux) 167 struct device *parent, *self; 168 void *aux; 169 { 170 struct sm_isa_softc *isc = (struct sm_isa_softc *)self; 171 struct smc91cxx_softc *sc = &isc->sc_smc; 172 struct isa_attach_args *ia = aux; 173 bus_space_tag_t iot = ia->ia_iot; 174 bus_space_handle_t ioh; 175 176 printf("\n"); 177 178 /* Map i/o space. */ 179 if (bus_space_map(iot, ia->ia_iobase, ia->ia_iosize, 0, &ioh)) 180 panic("sm_isa_attach: can't map i/o space"); 181 182 sc->sc_bst = iot; 183 sc->sc_bsh = ioh; 184 185 /* should always be enabled */ 186 sc->sc_enabled = 1; 187 188 /* XXX Should get Ethernet address from EEPROM!! */ 189 190 /* Perform generic intialization. */ 191 smc91cxx_attach(sc, NULL); 192 193 /* Establish the interrupt handler. */ 194 isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 195 IPL_NET, smc91cxx_intr, sc); 196 if (isc->sc_ih == NULL) 197 printf("%s: couldn't establish interrupt handler\n", 198 sc->sc_dev.dv_xname); 199 } 200
Indexes created Tue Sep 23 22:09:46 GMT 2025