if_ex_pci.c revision 1.5.4.1
1 /* $NetBSD: if_ex_pci.c,v 1.5.4.1 1999/06/21 01:18:31 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 Ethernet" }, 115 { PCI_PRODUCT_3COM_3C900COMBO, 0, 116 "3c900-COMBO Ethernet" }, 117 118 { PCI_PRODUCT_3COM_3C905TX, EX_CONF_MII, 119 "3c905-TX 10/100 Ethernet" }, 120 { PCI_PRODUCT_3COM_3C905T4, EX_CONF_MII, 121 "3c905-T4 10/100 Ethernet" }, 122 123 { PCI_PRODUCT_3COM_3C900BTPO, EX_CONF_90XB, 124 "3c900B-TPO Ethernet" }, 125 { PCI_PRODUCT_3COM_3C900BCOMBO, EX_CONF_90XB, 126 "3c900B-COMBO Ethernet" }, 127 { PCI_PRODUCT_3COM_3C900BTPC, EX_CONF_90XB, 128 "3c900B-TPC Ethernet" }, 129 130 { PCI_PRODUCT_3COM_3C905BTX, EX_CONF_90XB|EX_CONF_MII|EX_CONF_INTPHY, 131 "3c905B-TX 10/100 Ethernet" }, 132 { PCI_PRODUCT_3COM_3C905BT4, EX_CONF_90XB|EX_CONF_MII, 133 "3c905B-T4 10/100 Ethernet" }, 134 { PCI_PRODUCT_3COM_3C905BFX, EX_CONF_90XB|EX_CONF_MII, 135 "3c905B-FX 10/100 Ethernet" }, 136 137 /* XXX Internal PHY? */ 138 { PCI_PRODUCT_3COM_3C980SRV, EX_CONF_90XB|EX_CONF_MII, 139 "3c980 Server Adapter 10/100 Ethernet" }, 140 141 { 0, 0, 142 NULL }, 143 }; 144 145 const struct ex_pci_product *ex_pci_lookup 146 __P((const struct pci_attach_args *)); 147 148 const struct ex_pci_product * 149 ex_pci_lookup(pa) 150 const struct pci_attach_args *pa; 151 { 152 const struct ex_pci_product *epp; 153 154 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM) 155 return (NULL); 156 157 for (epp = ex_pci_products; epp->epp_name != NULL; epp++) 158 if (PCI_PRODUCT(pa->pa_id) == epp->epp_prodid) 159 return (epp); 160 return (NULL); 161 } 162 163 int 164 ex_pci_match(parent, match, aux) 165 struct device *parent; 166 struct cfdata *match; 167 void *aux; 168 { 169 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 170 171 if (ex_pci_lookup(pa) != NULL) 172 return (2); /* beat ep_pci */ 173 174 return (0); 175 } 176 177 void 178 ex_pci_attach(parent, self, aux) 179 struct device *parent, *self; 180 void *aux; 181 { 182 struct ex_softc *sc = (void *)self; 183 struct pci_attach_args *pa = aux; 184 pci_chipset_tag_t pc = pa->pa_pc; 185 pci_intr_handle_t ih; 186 const struct ex_pci_product *epp; 187 const char *intrstr = NULL; 188 int pmode; 189 190 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 191 &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) { 192 printf(": can't map i/o space\n"); 193 return; 194 } 195 196 epp = ex_pci_lookup(pa); 197 if (epp == NULL) { 198 printf("\n"); 199 panic("ex_pci_attach: impossible"); 200 } 201 202 printf(": 3Com %s\n", epp->epp_name); 203 204 sc->enable = NULL; 205 sc->disable = NULL; 206 sc->enabled = 1; 207 208 sc->sc_dmat = pa->pa_dmat; 209 210 sc->ex_bustype = EX_BUS_PCI; 211 sc->ex_conf = epp->epp_flags; 212 213 /* Enable the card. */ 214 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 215 pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 216 PCI_COMMAND_MASTER_ENABLE); 217 218 /* Get it out of power save mode if needed (BIOS bugs) */ 219 if (pci_get_capability(pc, pa->pa_tag, PCI_CAP_PWRMGMT, 0, 0)) { 220 pmode = pci_conf_read(pc, pa->pa_tag, PCI_POWERCTL) & 0x3; 221 if (pmode == 3) { 222 /* 223 * The card has lost all configuration data in 224 * this state, so punt. 225 */ 226 printf("%s: unable to wake up from power state D3\n", 227 sc->sc_dev.dv_xname); 228 return; 229 } 230 if (pmode != 0) { 231 printf("%s: waking up from power state D%d\n", 232 sc->sc_dev.dv_xname, pmode); 233 pci_conf_write(pc, pa->pa_tag, PCI_POWERCTL, 0); 234 } 235 } 236 237 /* Map and establish the interrupt. */ 238 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, 239 pa->pa_intrline, &ih)) { 240 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 241 return; 242 } 243 intrstr = pci_intr_string(pc, ih); 244 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, ex_intr, sc); 245 if (sc->sc_ih == NULL) { 246 printf("%s: couldn't establish interrupt", 247 sc->sc_dev.dv_xname); 248 if (intrstr != NULL) 249 printf(" at %s", intrstr); 250 printf("\n"); 251 return; 252 } 253 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 254 255 ex_config(sc); 256 } 257
Indexes created Wed Sep 24 22:09:59 GMT 2025