1 /* $OpenBSD: if_fxp_pci.c,v 1.52 2009/10/15 17:54:56 deraadt Exp $ */ 2 3 /* 4 * Copyright (c) 1995, David Greenman 5 * All rights reserved. 6 * 7 * Modifications to support NetBSD: 8 * Copyright (c) 1997 Jason R. Thorpe. All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice unmodified, this list of conditions, and the following 15 * 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 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * Id: if_fxp.c,v 1.55 1998/08/04 08:53:12 dg Exp 33 */ 34 35 /* 36 * Intel EtherExpress Pro/100B PCI Fast Ethernet driver 37 */ 38 39 #include "bpfilter.h" 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/mbuf.h> 44 #include <sys/malloc.h> 45 #include <sys/kernel.h> 46 #include <sys/socket.h> 47 #include <sys/timeout.h> 48 #include <sys/syslog.h> 49 50 #include <net/if.h> 51 #include <net/if_dl.h> 52 #include <net/if_media.h> 53 #include <net/if_types.h> 54 55 #ifdef INET 56 #include <netinet/in.h> 57 #include <netinet/in_systm.h> 58 #include <netinet/in_var.h> 59 #include <netinet/ip.h> 60 #endif 61 62 #include <sys/ioctl.h> 63 #include <sys/errno.h> 64 #include <sys/device.h> 65 66 #include <netinet/if_ether.h> 67 68 #include <machine/cpu.h> 69 #include <machine/bus.h> 70 #include <machine/intr.h> 71 72 #include <dev/mii/miivar.h> 73 74 #include <dev/ic/fxpreg.h> 75 #include <dev/ic/fxpvar.h> 76 77 #include <dev/pci/pcivar.h> 78 #include <dev/pci/pcireg.h> 79 #include <dev/pci/pcidevs.h> 80 81 int fxp_pci_match(struct device *, void *, void *); 82 void fxp_pci_attach(struct device *, struct device *, void *); 83 int fxp_pci_detach(struct device *, int); 84 85 struct fxp_pci_softc { 86 struct fxp_softc psc_softc; 87 pci_chipset_tag_t psc_pc; 88 bus_size_t psc_mapsize; 89 }; 90 91 struct cfattach fxp_pci_ca = { 92 sizeof(struct fxp_pci_softc), fxp_pci_match, fxp_pci_attach, 93 fxp_pci_detach 94 }; 95 96 const struct pci_matchid fxp_pci_devices[] = { 97 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_8255x }, 98 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82552 }, 99 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82559 }, 100 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82559ER }, 101 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562 }, 102 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_0 }, 103 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_1 }, 104 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_2 }, 105 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_0 }, 106 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_1 }, 107 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_2 }, 108 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_3 }, 109 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_4 }, 110 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_5 }, 111 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_6 }, 112 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_7 }, 113 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_8 }, 114 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_0 }, 115 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_1 }, 116 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_2 }, 117 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_3 }, 118 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_4 }, 119 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_5 }, 120 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_6 }, 121 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_7 }, 122 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_8 }, 123 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_9 }, 124 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_10 }, 125 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_11 }, 126 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_12 }, 127 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_13 }, 128 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_14 }, 129 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_15 }, 130 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_16 }, 131 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_17 }, 132 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_18 }, 133 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_19 }, 134 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_M }, 135 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100 }, 136 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801DB_LAN }, 137 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801E_LAN_1 }, 138 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801E_LAN_2 }, 139 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801FB_LAN }, 140 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801FB_LAN_2 }, 141 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801FBM_LAN }, 142 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801GB_LAN }, 143 { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801GB_LAN_2 }, 144 }; 145 146 int 147 fxp_pci_match(struct device *parent, void *match, void *aux) 148 { 149 return (pci_matchbyid((struct pci_attach_args *)aux, fxp_pci_devices, 150 sizeof(fxp_pci_devices)/sizeof(fxp_pci_devices[0]))); 151 } 152 153 void 154 fxp_pci_attach(struct device *parent, struct device *self, void *aux) 155 { 156 struct fxp_pci_softc *psc = (void *)self; 157 struct fxp_softc *sc = &psc->psc_softc; 158 struct pci_attach_args *pa = aux; 159 pci_chipset_tag_t pc = pa->pa_pc; 160 pci_intr_handle_t ih; 161 const char *chipname = NULL; 162 const char *intrstr = NULL; 163 164 if (pci_mapreg_map(pa, FXP_PCI_IOBA, PCI_MAPREG_TYPE_IO, 0, 165 &sc->sc_st, &sc->sc_sh, NULL, &psc->psc_mapsize, 0)) { 166 printf(": can't map i/o space\n"); 167 return; 168 } 169 psc->psc_pc = pa->pa_pc; 170 sc->sc_dmat = pa->pa_dmat; 171 172 sc->sc_revision = PCI_REVISION(pa->pa_class); 173 174 /* 175 * Allocate our interrupt. 176 */ 177 if (pci_intr_map(pa, &ih)) { 178 printf(": couldn't map interrupt\n"); 179 bus_space_unmap(sc->sc_st, sc->sc_sh, psc->psc_mapsize); 180 return; 181 } 182 183 intrstr = pci_intr_string(pc, ih); 184 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, fxp_intr, sc, 185 self->dv_xname); 186 if (sc->sc_ih == NULL) { 187 printf(": couldn't establish interrupt"); 188 if (intrstr != NULL) 189 printf(" at %s", intrstr); 190 printf("\n"); 191 bus_space_unmap(sc->sc_st, sc->sc_sh, psc->psc_mapsize); 192 return; 193 } 194 195 switch (PCI_PRODUCT(pa->pa_id)) { 196 case PCI_PRODUCT_INTEL_8255x: 197 case PCI_PRODUCT_INTEL_82559: 198 case PCI_PRODUCT_INTEL_82559ER: 199 { 200 chipname = "i82557"; 201 if (sc->sc_revision >= FXP_REV_82558_A4) 202 chipname = "i82558"; 203 if (sc->sc_revision >= FXP_REV_82559_A0) 204 chipname = "i82559"; 205 if (sc->sc_revision >= FXP_REV_82559S_A) 206 chipname = "i82559S"; 207 if (sc->sc_revision >= FXP_REV_82550) 208 chipname = "i82550"; 209 if (sc->sc_revision >= FXP_REV_82551_E) 210 chipname = "i82551"; 211 break; 212 } 213 break; 214 case PCI_PRODUCT_INTEL_82552: 215 chipname = "i82552"; 216 break; 217 default: 218 chipname = "i82562"; 219 break; 220 } 221 222 if (chipname != NULL) 223 printf(", %s", chipname); 224 225 /* 226 * Cards for which we should WRITE TO THE EEPROM 227 * to turn off dynamic standby mode to avoid 228 * a problem where the card will fail to resume when 229 * entering the IDLE state. We use this nasty if statement 230 * and corresponding pci dev numbers directly so that people 231 * know not to add new cards to this unless you are really 232 * certain what you are doing and are not going to end up 233 * killing people's eeproms. 234 */ 235 if ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL) && 236 (PCI_PRODUCT(pa->pa_id) == 0x2449 || 237 (PCI_PRODUCT(pa->pa_id) > 0x1030 && 238 PCI_PRODUCT(pa->pa_id) < 0x1039) || 239 (PCI_PRODUCT(pa->pa_id) == 0x1229 && 240 (sc->sc_revision >= 8 && sc->sc_revision <= 16)))) 241 sc->sc_flags |= FXPF_DISABLE_STANDBY; 242 243 /* 244 * enable PCI Memory Write and Invalidate command 245 */ 246 if (sc->sc_revision >= FXP_REV_82558_A4) 247 if (PCI_CACHELINE(pci_conf_read(pa->pa_pc, pa->pa_tag, 248 PCI_BHLC_REG))) { 249 pci_conf_write(pa->pa_pc, pa->pa_tag, 250 PCI_COMMAND_STATUS_REG, 251 PCI_COMMAND_INVALIDATE_ENABLE | 252 pci_conf_read(pa->pa_pc, pa->pa_tag, 253 PCI_COMMAND_STATUS_REG)); 254 sc->sc_flags |= FXPF_MWI_ENABLE; 255 } 256 257 /* Do generic parts of attach. */ 258 if (fxp_attach(sc, intrstr)) { 259 /* Failed! */ 260 pci_intr_disestablish(pc, sc->sc_ih); 261 bus_space_unmap(sc->sc_st, sc->sc_sh, psc->psc_mapsize); 262 return; 263 } 264 } 265 266 int 267 fxp_pci_detach(struct device *self, int flags) 268 { 269 struct fxp_pci_softc *psc = (void *)self; 270 struct fxp_softc *sc = &psc->psc_softc; 271 272 if (sc->sc_ih != NULL) 273 pci_intr_disestablish(psc->psc_pc, sc->sc_ih); 274 fxp_detach(sc); 275 bus_space_unmap(sc->sc_st, sc->sc_sh, psc->psc_mapsize); 276 277 return (0); 278 } 279