depca_isa.c revision 1.3
1 /* $NetBSD: depca_isa.c,v 1.3 2002/01/07 21:47:04 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace 9 * Simulation Facility, 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 /*- 41 * Copyright (c) 1992, 1993 42 * The Regents of the University of California. All rights reserved. 43 * 44 * This code is derived from software contributed to Berkeley by 45 * Ralph Campbell and Rick Macklem. 46 * 47 * Redistribution and use in source and binary forms, with or without 48 * modification, are permitted provided that the following conditions 49 * are met: 50 * 1. Redistributions of source code must retain the above copyright 51 * notice, this list of conditions and the following disclaimer. 52 * 2. Redistributions in binary form must reproduce the above copyright 53 * notice, this list of conditions and the following disclaimer in the 54 * documentation and/or other materials provided with the distribution. 55 * 3. All advertising materials mentioning features or use of this software 56 * must display the following acknowledgement: 57 * This product includes software developed by the University of 58 * California, Berkeley and its contributors. 59 * 4. Neither the name of the University nor the names of its contributors 60 * may be used to endorse or promote products derived from this software 61 * without specific prior written permission. 62 * 63 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 64 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 65 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 66 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 67 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 68 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 69 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 70 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 71 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 72 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 73 * SUCH DAMAGE. 74 * 75 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 76 */ 77 78 #include <sys/cdefs.h> 79 __KERNEL_RCSID(0, "$NetBSD: depca_isa.c,v 1.3 2002/01/07 21:47:04 thorpej Exp $"); 80 81 #include "opt_inet.h" 82 #include "bpfilter.h" 83 84 #include <sys/param.h> 85 #include <sys/systm.h> 86 #include <sys/mbuf.h> 87 #include <sys/syslog.h> 88 #include <sys/socket.h> 89 #include <sys/device.h> 90 91 #include <net/if.h> 92 #include <net/if_ether.h> 93 #include <net/if_media.h> 94 95 #ifdef INET 96 #include <netinet/in.h> 97 #include <netinet/if_inarp.h> 98 #endif 99 100 #include <machine/cpu.h> 101 #include <machine/intr.h> 102 #include <machine/bus.h> 103 104 #include <dev/isa/isareg.h> 105 #include <dev/isa/isavar.h> 106 107 #include <dev/ic/lancereg.h> 108 #include <dev/ic/lancevar.h> 109 #include <dev/ic/am7990reg.h> 110 #include <dev/ic/am7990var.h> 111 #include <dev/ic/depcareg.h> 112 #include <dev/ic/depcavar.h> 113 114 int depca_isa_probe(struct device *, struct cfdata *, void *); 115 void depca_isa_attach(struct device *, struct device *, void *); 116 117 struct depca_isa_softc { 118 struct depca_softc sc_depca; 119 isa_chipset_tag_t sc_ic; 120 int sc_irq; 121 }; 122 123 struct cfattach depca_isa_ca = { 124 sizeof(struct depca_isa_softc), depca_isa_probe, depca_isa_attach 125 }; 126 127 void *depca_isa_intr_establish(struct depca_softc *, struct lance_softc *); 128 129 int 130 depca_isa_probe(struct device *parent, struct cfdata *match, void *aux) 131 { 132 struct isa_attach_args *ia = aux; 133 bus_space_tag_t iot = ia->ia_iot; 134 bus_space_handle_t ioh; 135 bus_space_handle_t memh; 136 int rv = 0; 137 138 if (ia->ia_nio < 1) 139 return (0); 140 if (ia->ia_niomem < 1) 141 return (0); 142 if (ia->ia_nirq < 1) 143 return (0); 144 145 if (ISA_DIRECT_CONFIG(ia)) 146 return (0); 147 148 if (ia->ia_irq[0].ir_irq == ISACF_IRQ_DEFAULT) 149 return (0); 150 151 /* Disallow impossible i/o address. */ 152 if (ia->ia_io[0].ir_addr != 0x200 && ia->ia_io[0].ir_addr != 0x300) 153 return (0); 154 155 /* Map i/o space. */ 156 if (bus_space_map(iot, ia->ia_io[0].ir_addr, 16, 0, &ioh)) 157 return 0; 158 159 if (ia->ia_iomem[0].ir_addr == ISACF_IOMEM_DEFAULT || 160 (ia->ia_iomem[0].ir_size != 32*1024 && 161 ia->ia_iomem[0].ir_size != 64*1024)) 162 goto bad; 163 164 /* Map card RAM. */ 165 if (bus_space_map(ia->ia_memt, ia->ia_iomem[0].ir_addr, 166 ia->ia_iomem[0].ir_size, 0, &memh)) 167 goto bad; 168 169 /* Just needed to check mapability; don't need it anymore. */ 170 bus_space_unmap(ia->ia_memt, memh, ia->ia_iomem[0].ir_size); 171 172 /* Stop the LANCE chip and put it in a known state. */ 173 bus_space_write_2(iot, ioh, DEPCA_RAP, LE_CSR0); 174 bus_space_write_2(iot, ioh, DEPCA_RDP, LE_C0_STOP); 175 delay(100); 176 177 bus_space_write_2(iot, ioh, DEPCA_RAP, LE_CSR0); 178 if (bus_space_read_2(iot, ioh, DEPCA_RDP) != LE_C0_STOP) 179 goto bad; 180 181 bus_space_write_2(iot, ioh, DEPCA_RAP, LE_CSR3); 182 bus_space_write_2(iot, ioh, DEPCA_RDP, LE_C3_ACON); 183 184 bus_space_write_1(iot, ioh, DEPCA_CSR, DEPCA_CSR_DUM); 185 186 if (depca_readprom(iot, ioh, NULL)) 187 goto bad; 188 189 ia->ia_nio = 1; 190 ia->ia_io[0].ir_size = 16; 191 192 ia->ia_niomem = 1; 193 194 ia->ia_nirq = 1; 195 196 ia->ia_ndrq = 0; 197 198 rv = 1; 199 200 bad: 201 bus_space_unmap(iot, ioh, 16); 202 return (rv); 203 } 204 205 void 206 depca_isa_attach(struct device *parent, struct device *self, void *aux) 207 { 208 struct depca_softc *sc = (void *) self; 209 struct depca_isa_softc *isc = (void *) self; 210 struct isa_attach_args *ia = aux; 211 212 printf("\n"); 213 214 sc->sc_iot = ia->ia_iot; 215 sc->sc_memt = ia->ia_memt; 216 217 sc->sc_memsize = ia->ia_iomem[0].ir_size; 218 219 if (bus_space_map(sc->sc_iot, ia->ia_io[0].ir_addr, 16, 220 0, &sc->sc_ioh) != 0) { 221 printf("%s: unable to map i/o space\n", sc->sc_dev.dv_xname); 222 return; 223 } 224 if (bus_space_map(sc->sc_memt, ia->ia_iomem[0].ir_addr, 225 ia->ia_iomem[0].ir_size, 0, &sc->sc_memh) != 0) { 226 printf("%s: unable to map memory space\n", sc->sc_dev.dv_xname); 227 return; 228 } 229 230 isc->sc_ic = ia->ia_ic; 231 isc->sc_irq = ia->ia_irq[0].ir_irq; 232 sc->sc_intr_establish = depca_isa_intr_establish; 233 234 depca_attach(sc); 235 } 236 237 void * 238 depca_isa_intr_establish(struct depca_softc *parent, struct lance_softc *child) 239 { 240 struct depca_isa_softc *isc = (void *) parent; 241 void *rv; 242 243 rv = isa_intr_establish(isc->sc_ic, isc->sc_irq, IST_EDGE, 244 IPL_NET, depca_intredge, child); 245 if (rv == NULL) 246 printf("%s: unable to establish interrupt\n", 247 parent->sc_dev.dv_xname); 248 249 return (rv); 250 } 251
Indexes created Thu Sep 25 08:09:54 GMT 2025