Annotation of sys/dev/pci/if_fxp_pci.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_fxp_pci.c,v 1.49 2006/11/05 02:47:01 brad 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:
! 84: struct cfattach fxp_pci_ca = {
! 85: sizeof(struct fxp_softc), fxp_pci_match, fxp_pci_attach
! 86: };
! 87:
! 88: const struct pci_matchid fxp_pci_devices[] = {
! 89: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_8255x },
! 90: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82559 },
! 91: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82559ER },
! 92: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562 },
! 93: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_0 },
! 94: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_1 },
! 95: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_2 },
! 96: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_0 },
! 97: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_1 },
! 98: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_2 },
! 99: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_3 },
! 100: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_4 },
! 101: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_5 },
! 102: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_6 },
! 103: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_7 },
! 104: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_8 },
! 105: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_0 },
! 106: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_1 },
! 107: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_2 },
! 108: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_3 },
! 109: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_4 },
! 110: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_5 },
! 111: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_6 },
! 112: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_7 },
! 113: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_8 },
! 114: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_9 },
! 115: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_10 },
! 116: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_11 },
! 117: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_12 },
! 118: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_13 },
! 119: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_14 },
! 120: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_15 },
! 121: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_16 },
! 122: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_17 },
! 123: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_18 },
! 124: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_19 },
! 125: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_M },
! 126: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100 },
! 127: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801DB_LAN },
! 128: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801E_LAN_1 },
! 129: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801E_LAN_2 },
! 130: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801FB_LAN },
! 131: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801FB_LAN_2 },
! 132: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801FBM_LAN },
! 133: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801GB_LAN },
! 134: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801GB_LAN_2 },
! 135: };
! 136:
! 137: int
! 138: fxp_pci_match(struct device *parent, void *match, void *aux)
! 139: {
! 140: return (pci_matchbyid((struct pci_attach_args *)aux, fxp_pci_devices,
! 141: sizeof(fxp_pci_devices)/sizeof(fxp_pci_devices[0])));
! 142: }
! 143:
! 144: void
! 145: fxp_pci_attach(struct device *parent, struct device *self, void *aux)
! 146: {
! 147: struct fxp_softc *sc = (struct fxp_softc *)self;
! 148: struct pci_attach_args *pa = aux;
! 149: pci_chipset_tag_t pc = pa->pa_pc;
! 150: pci_intr_handle_t ih;
! 151: const char *chipname = NULL;
! 152: const char *intrstr = NULL;
! 153: bus_size_t iosize;
! 154:
! 155: if (pci_mapreg_map(pa, FXP_PCI_IOBA, PCI_MAPREG_TYPE_IO, 0,
! 156: &sc->sc_st, &sc->sc_sh, NULL, &iosize, 0)) {
! 157: printf(": can't map i/o space\n");
! 158: return;
! 159: }
! 160: sc->sc_dmat = pa->pa_dmat;
! 161:
! 162: sc->sc_revision = PCI_REVISION(pa->pa_class);
! 163:
! 164: /*
! 165: * Allocate our interrupt.
! 166: */
! 167: if (pci_intr_map(pa, &ih)) {
! 168: printf(": couldn't map interrupt\n");
! 169: bus_space_unmap(sc->sc_st, sc->sc_sh, iosize);
! 170: return;
! 171: }
! 172:
! 173: intrstr = pci_intr_string(pc, ih);
! 174: sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, fxp_intr, sc,
! 175: self->dv_xname);
! 176: if (sc->sc_ih == NULL) {
! 177: printf(": couldn't establish interrupt");
! 178: if (intrstr != NULL)
! 179: printf(" at %s", intrstr);
! 180: printf("\n");
! 181: bus_space_unmap(sc->sc_st, sc->sc_sh, iosize);
! 182: return;
! 183: }
! 184:
! 185: switch (PCI_PRODUCT(pa->pa_id)) {
! 186: case PCI_PRODUCT_INTEL_8255x:
! 187: case PCI_PRODUCT_INTEL_82559:
! 188: case PCI_PRODUCT_INTEL_82559ER:
! 189: {
! 190: chipname = "i82557";
! 191: if (sc->sc_revision >= FXP_REV_82558_A4)
! 192: chipname = "i82558";
! 193: if (sc->sc_revision >= FXP_REV_82559_A0)
! 194: chipname = "i82559";
! 195: if (sc->sc_revision >= FXP_REV_82559S_A)
! 196: chipname = "i82559S";
! 197: if (sc->sc_revision >= FXP_REV_82550)
! 198: chipname = "i82550";
! 199: if (sc->sc_revision >= FXP_REV_82551_E)
! 200: chipname = "i82551";
! 201: break;
! 202: }
! 203: break;
! 204: default:
! 205: chipname = "i82562";
! 206: break;
! 207: }
! 208:
! 209: if (chipname != NULL)
! 210: printf(", %s", chipname);
! 211:
! 212: /*
! 213: * Cards for which we should WRITE TO THE EEPROM
! 214: * to turn off dynamic standby mode to avoid
! 215: * a problem where the card will fail to resume when
! 216: * entering the IDLE state. We use this nasty if statement
! 217: * and corresponding pci dev numbers directly so that people
! 218: * know not to add new cards to this unless you are really
! 219: * certain what you are doing and are not going to end up
! 220: * killing people's eeproms.
! 221: */
! 222: if ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL) &&
! 223: (PCI_PRODUCT(pa->pa_id) == 0x2449 ||
! 224: (PCI_PRODUCT(pa->pa_id) > 0x1030 &&
! 225: PCI_PRODUCT(pa->pa_id) < 0x1039) ||
! 226: (PCI_PRODUCT(pa->pa_id) == 0x1229 &&
! 227: (sc->sc_revision >= 8 && sc->sc_revision <= 16))))
! 228: sc->sc_flags |= FXPF_DISABLE_STANDBY;
! 229:
! 230: /*
! 231: * enable PCI Memory Write and Invalidate command
! 232: */
! 233: if (sc->sc_revision >= FXP_REV_82558_A4)
! 234: if (PCI_CACHELINE(pci_conf_read(pa->pa_pc, pa->pa_tag,
! 235: PCI_BHLC_REG))) {
! 236: pci_conf_write(pa->pa_pc, pa->pa_tag,
! 237: PCI_COMMAND_STATUS_REG,
! 238: PCI_COMMAND_INVALIDATE_ENABLE |
! 239: pci_conf_read(pa->pa_pc, pa->pa_tag,
! 240: PCI_COMMAND_STATUS_REG));
! 241: sc->sc_flags |= FXPF_MWI_ENABLE;
! 242: }
! 243:
! 244: /* Do generic parts of attach. */
! 245: if (fxp_attach(sc, intrstr)) {
! 246: /* Failed! */
! 247: pci_intr_disestablish(pc, sc->sc_ih);
! 248: bus_space_unmap(sc->sc_st, sc->sc_sh, iosize);
! 249: return;
! 250: }
! 251: }
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