if_ex_pci.c revision 1.3
1 /* $NetBSD: if_ex_pci.c,v 1.3 1998/11/09 23:12:18 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Frank van der Linden; 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 #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/cpu.h> 78 #include <machine/bus.h> 79 #include <machine/intr.h> 80 81 #include <dev/mii/miivar.h> 82 #include <dev/mii/mii.h> 83 84 #include <dev/ic/elink3var.h> 85 #include <dev/ic/elink3reg.h> 86 #include <dev/ic/elinkxlreg.h> 87 #include <dev/ic/elinkxlvar.h> 88 89 #include <dev/pci/pcivar.h> 90 #include <dev/pci/pcireg.h> 91 #include <dev/pci/pcidevs.h> 92 93 /* 94 * PCI constants. 95 * XXX These should be in a common file! 96 */ 97 #define PCI_CONN 0x48 /* Connector type */ 98 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 99 #define PCI_POWERCTL 0xe0 100 101 int ex_pci_match __P((struct device *, struct cfdata *, void *)); 102 void ex_pci_attach __P((struct device *, struct device *, void *)); 103 104 struct cfattach ex_pci_ca = { 105 sizeof(struct ex_softc), ex_pci_match, ex_pci_attach 106 }; 107 108 const struct ex_pci_product { 109 u_int32_t epp_prodid; /* PCI product ID */ 110 int epp_flags; /* initial softc flags */ 111 const char *epp_name; /* device name */ 112 } ex_pci_products[] = { 113 { PCI_PRODUCT_3COM_3C900TPO, 0, 114 "3c900-TPO" }, 115 { PCI_PRODUCT_3COM_3C900COMBO, 0, 116 "3c900-COMBO" }, 117 118 { PCI_PRODUCT_3COM_3C905TX, EX_CONF_MII, 119 "3c905-TX" }, 120 { PCI_PRODUCT_3COM_3C905T4, EX_CONF_MII, 121 "3c905-T4" }, 122 123 { PCI_PRODUCT_3COM_3C900BTPO, EX_CONF_90XB, 124 "3c900B-TPO" }, 125 { PCI_PRODUCT_3COM_3C900BCOMBO, EX_CONF_90XB, 126 "3c900B-COMBO" }, 127 128 { PCI_PRODUCT_3COM_3C905BTX, EX_CONF_90XB|EX_CONF_MII|EX_CONF_INTPHY, 129 "3c905B-TX" }, 130 { PCI_PRODUCT_3COM_3C905BT4, EX_CONF_90XB|EX_CONF_MII, 131 "3c905B-T4" }, 132 133 { 0, 0, 134 NULL }, 135 }; 136 137 const struct ex_pci_product *ex_pci_lookup 138 __P((const struct pci_attach_args *)); 139 140 const struct ex_pci_product * 141 ex_pci_lookup(pa) 142 const struct pci_attach_args *pa; 143 { 144 const struct ex_pci_product *epp; 145 146 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM) 147 return (NULL); 148 149 for (epp = ex_pci_products; epp->epp_name != NULL; epp++) 150 if (PCI_PRODUCT(pa->pa_id) == epp->epp_prodid) 151 return (epp); 152 return (NULL); 153 } 154 155 int 156 ex_pci_match(parent, match, aux) 157 struct device *parent; 158 struct cfdata *match; 159 void *aux; 160 { 161 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 162 163 if (ex_pci_lookup(pa) != NULL) 164 return (2); /* beat ep_pci */ 165 166 return (0); 167 } 168 169 void 170 ex_pci_attach(parent, self, aux) 171 struct device *parent, *self; 172 void *aux; 173 { 174 struct ex_softc *sc = (void *)self; 175 struct pci_attach_args *pa = aux; 176 pci_chipset_tag_t pc = pa->pa_pc; 177 pci_intr_handle_t ih; 178 const struct ex_pci_product *epp; 179 const char *intrstr = NULL; 180 int pmode; 181 182 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 183 &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) { 184 printf(": can't map i/o space\n"); 185 return; 186 } 187 188 epp = ex_pci_lookup(pa); 189 if (epp == NULL) { 190 printf("\n"); 191 panic("ex_pci_attach: impossible"); 192 } 193 194 printf(": 3Com %s Ethernet\n", epp->epp_name); 195 196 sc->enable = NULL; 197 sc->disable = NULL; 198 sc->enabled = 1; 199 200 sc->sc_dmat = pa->pa_dmat; 201 202 sc->ex_bustype = EX_BUS_PCI; 203 sc->ex_conf = epp->epp_flags; 204 205 /* Enable the card. */ 206 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 207 pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 208 PCI_COMMAND_MASTER_ENABLE); 209 210 /* Get it out of power save mode if needed (BIOS bugs) */ 211 if (pci_get_capability(pc, pa->pa_tag, PCI_CAP_PWRMGMT, 0, 0)) { 212 pmode = pci_conf_read(pc, pa->pa_tag, PCI_POWERCTL) & 0x3; 213 if (pmode == 3) { 214 /* 215 * The card has lost all configuration data in 216 * this state, so punt. 217 */ 218 printf("%s: unable to wake up from power state D3\n", 219 sc->sc_dev.dv_xname); 220 return; 221 } 222 if (pmode != 0) { 223 printf("%s: waking up from power state D%d\n", 224 sc->sc_dev.dv_xname, pmode); 225 pci_conf_write(pc, pa->pa_tag, PCI_POWERCTL, 0); 226 } 227 } 228 229 /* Map and establish the interrupt. */ 230 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, 231 pa->pa_intrline, &ih)) { 232 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 233 return; 234 } 235 intrstr = pci_intr_string(pc, ih); 236 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, ex_intr, sc); 237 if (sc->sc_ih == NULL) { 238 printf("%s: couldn't establish interrupt", 239 sc->sc_dev.dv_xname); 240 if (intrstr != NULL) 241 printf(" at %s", intrstr); 242 printf("\n"); 243 return; 244 } 245 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 246 247 ex_config(sc); 248 } 249
Indexes created Wed Sep 24 05:09:52 GMT 2025