1 /* $OpenBSD: if_sm_isa.c,v 1.10 2008/06/26 05:42:16 ray Exp $ */ 2 /* $NetBSD: if_sm_isa.c,v 1.4 1998/07/05 06:49:14 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 #include "bpfilter.h" 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/mbuf.h> 39 #include <sys/socket.h> 40 #include <sys/ioctl.h> 41 #include <sys/errno.h> 42 #include <sys/syslog.h> 43 #include <sys/selinfo.h> 44 #include <sys/timeout.h> 45 #include <sys/device.h> 46 47 #include <net/if.h> 48 #include <net/if_dl.h> 49 #include <net/if_media.h> 50 51 #ifdef INET 52 #include <netinet/in.h> 53 #include <netinet/in_systm.h> 54 #include <netinet/in_var.h> 55 #include <netinet/ip.h> 56 #include <netinet/if_ether.h> 57 #endif 58 59 #if NBPFILTER > 0 60 #include <net/bpf.h> 61 #endif 62 63 #include <machine/intr.h> 64 #include <machine/bus.h> 65 66 #include <net/if_media.h> 67 68 #include <dev/mii/mii.h> 69 #include <dev/mii/miivar.h> 70 71 #include <dev/ic/smc91cxxreg.h> 72 #include <dev/ic/smc91cxxvar.h> 73 74 #include <dev/isa/isavar.h> 75 76 int sm_isa_match(struct device *, void *, void *); 77 void sm_isa_attach(struct device *, struct device *, void *); 78 79 struct sm_isa_softc { 80 struct smc91cxx_softc sc_smc; /* real "smc" softc */ 81 82 /* ISA-specific goo. */ 83 void *sc_ih; /* interrupt cookie */ 84 }; 85 86 struct cfattach sm_isa_ca = { 87 sizeof(struct sm_isa_softc), sm_isa_match, sm_isa_attach 88 }; 89 90 int 91 sm_isa_match(parent, match, aux) 92 struct device *parent; 93 void *match, *aux; 94 { 95 struct isa_attach_args *ia = aux; 96 bus_space_tag_t iot = ia->ia_iot; 97 bus_space_handle_t ioh; 98 u_int16_t tmp; 99 int rv = 0; 100 extern const char *smc91cxx_idstrs[]; 101 102 /* Disallow wildcarded values. */ 103 if (ia->ia_irq == -1) 104 return (0); 105 if (ia->ia_iobase == -1) 106 return (0); 107 108 /* Map i/o space. */ 109 if (bus_space_map(iot, ia->ia_iobase, SMC_IOSIZE, 0, &ioh)) 110 return (0); 111 112 /* Check that high byte of BANK_SELECT is what we expect. */ 113 tmp = bus_space_read_2(iot, ioh, BANK_SELECT_REG_W); 114 if ((tmp & BSR_DETECT_MASK) != BSR_DETECT_VALUE) 115 goto out; 116 117 /* 118 * Switch to bank 0 and perform the test again. 119 * XXX INVASIVE! 120 */ 121 bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 0); 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 1 and check the base address register. 128 * XXX INVASIVE! 129 */ 130 bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 1); 131 tmp = bus_space_read_2(iot, ioh, BASE_ADDR_REG_W); 132 if (ia->ia_iobase != ((tmp >> 3) & 0x3e0)) 133 goto out; 134 135 /* 136 * Check for a recognized chip id. 137 * XXX INVASIVE! 138 */ 139 bus_space_write_2(iot, ioh, BANK_SELECT_REG_W, 3); 140 tmp = bus_space_read_2(iot, ioh, REVISION_REG_W); 141 if (smc91cxx_idstrs[RR_ID(tmp)] == NULL) 142 goto out; 143 144 /* 145 * Assume we have an SMC91Cxx. 146 */ 147 ia->ia_iosize = SMC_IOSIZE; 148 rv = 1; 149 150 out: 151 bus_space_unmap(iot, ioh, SMC_IOSIZE); 152 return (rv); 153 } 154 155 void 156 sm_isa_attach(parent, self, aux) 157 struct device *parent, *self; 158 void *aux; 159 { 160 struct sm_isa_softc *isc = (struct sm_isa_softc *)self; 161 struct smc91cxx_softc *sc = &isc->sc_smc; 162 struct isa_attach_args *ia = aux; 163 bus_space_tag_t iot = ia->ia_iot; 164 bus_space_handle_t ioh; 165 166 printf("\n"); 167 168 /* Map i/o space. */ 169 if (bus_space_map(iot, ia->ia_iobase, ia->ia_iosize, 0, &ioh)) 170 panic("sm_isa_attach: can't map i/o space"); 171 172 sc->sc_bst = iot; 173 sc->sc_bsh = ioh; 174 175 /* should always be enabled */ 176 sc->sc_enabled = 1; 177 178 /* XXX Should get Ethernet address from EEPROM!! */ 179 180 /* Perform generic initialization. */ 181 smc91cxx_attach(sc, NULL); 182 183 /* Establish the interrupt handler. */ 184 isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 185 IPL_NET, smc91cxx_intr, sc, sc->sc_dev.dv_xname); 186 if (isc->sc_ih == NULL) 187 printf("%s: couldn't establish interrupt handler\n", 188 sc->sc_dev.dv_xname); 189 } 190