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/* $OpenBSD: if_fxp_pci.c,v 1.32 2005/01/14 18:14:14 deraadt Exp $ */
/*
* Copyright (c) 1995, David Greenman
* All rights reserved.
*
* Modifications to support NetBSD:
* Copyright (c) 1997 Jason R. Thorpe. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Id: if_fxp.c,v 1.55 1998/08/04 08:53:12 dg Exp
*/
/*
* Intel EtherExpress Pro/100B PCI Fast Ethernet driver
*/
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/syslog.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/if_types.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#endif
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/device.h>
#include <netinet/if_ether.h>
#include <machine/cpu.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/mii/miivar.h>
#include <dev/ic/fxpreg.h>
#include <dev/ic/fxpvar.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>
int fxp_pci_match(struct device *, void *, void *);
void fxp_pci_attach(struct device *, struct device *, void *);
struct cfattach fxp_pci_ca = {
sizeof(struct fxp_softc), fxp_pci_match, fxp_pci_attach
};
const struct pci_matchid fxp_pci_devices[] = {
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82557 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82559 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82559ER },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_0 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_1 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_2 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_0 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_1 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_2 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_3 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_4 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_5 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_6 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_7 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_0 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_1 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_2 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_3 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_4 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_5 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_M },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801E_LAN_1 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801E_LAN_2 },
};
/*
* Check if a device is an 82557.
*/
int
fxp_pci_match(parent, match, aux)
struct device *parent;
void *match;
void *aux;
{
return (pci_matchbyid((struct pci_attach_args *)aux, fxp_pci_devices,
sizeof(fxp_pci_devices)/sizeof(fxp_pci_devices[0])));
}
void
fxp_pci_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct fxp_softc *sc = (struct fxp_softc *)self;
struct pci_attach_args *pa = aux;
pci_chipset_tag_t pc = pa->pa_pc;
pci_intr_handle_t ih;
const char *intrstr = NULL;
bus_size_t iosize;
pcireg_t rev = PCI_REVISION(pa->pa_class);
if (pci_mapreg_map(pa, FXP_PCI_IOBA, PCI_MAPREG_TYPE_IO, 0,
&sc->sc_st, &sc->sc_sh, NULL, &iosize, 0)) {
printf(": can't map i/o space\n");
return;
}
sc->sc_dmat = pa->pa_dmat;
sc->sc_revision = rev;
/*
* Allocate our interrupt.
*/
if (pci_intr_map(pa, &ih)) {
printf(": couldn't map interrupt\n");
bus_space_unmap(sc->sc_st, sc->sc_sh, iosize);
return;
}
intrstr = pci_intr_string(pc, ih);
sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, fxp_intr, sc,
self->dv_xname);
if (sc->sc_ih == NULL) {
printf(": couldn't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
bus_space_unmap(sc->sc_st, sc->sc_sh, iosize);
return;
}
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_INTEL_82557:
case PCI_PRODUCT_INTEL_82559:
case PCI_PRODUCT_INTEL_82559ER:
{
const char *chipname = NULL;
if (rev >= FXP_REV_82558_A4)
chipname = "i82558";
if (rev >= FXP_REV_82559_A0)
chipname = "i82559";
if (rev >= FXP_REV_82559S_A)
chipname = "i82559S";
if (rev >= FXP_REV_82550)
chipname = "i82550";
if (chipname != NULL)
printf(", %s", chipname);
break;
}
sc->not_82557 = (rev >= FXP_REV_82558_A4) ? 1 : 0;
break;
case PCI_PRODUCT_INTEL_82562:
sc->not_82557 = 1;
break;
case PCI_PRODUCT_INTEL_PRO_100_VE_0:
case PCI_PRODUCT_INTEL_PRO_100_VE_1:
case PCI_PRODUCT_INTEL_PRO_100_VM_0:
case PCI_PRODUCT_INTEL_PRO_100_VM_1:
case PCI_PRODUCT_INTEL_PRO_100_VM_2:
case PCI_PRODUCT_INTEL_82562EH_HPNA_0:
case PCI_PRODUCT_INTEL_82562EH_HPNA_1:
case PCI_PRODUCT_INTEL_82562EH_HPNA_2:
/*
* ICH3 chips apparently have problems with the enhanced
* features, so just treat them as an i82557.
*/
sc->sc_revision = 1;
sc->not_82557 = 0;
break;
default:
sc->not_82557 = 0;
break;
}
/*
* Cards for which we should WRITE TO THE EEPROM
* to turn off dynamic standby mode to avoid
* a problem where the card will fail to resume when
* entering the IDLE state. We use this nasty if statement
* and corresponding pci dev numbers directly so that people
* know not to add new cards to this unless you are really
* certain what you are doing and are not going to end up
* killing people's eeproms.
*/
if ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL) &&
(PCI_PRODUCT(pa->pa_id) == 0x2449 ||
(PCI_PRODUCT(pa->pa_id) > 0x1030 &&
PCI_PRODUCT(pa->pa_id) < 0x1039) ||
(PCI_PRODUCT(pa->pa_id) == 0x1229 && (rev == 8 || rev == 9 ||
rev == 12 || rev == 13))))
sc->sc_flags |= FXPF_DISABLE_STANDBY;
/* enable bus mastering */
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
PCI_COMMAND_MASTER_ENABLE |
pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG));
/*
* enable PCI Memory Write and Invalidate command
*/
if (rev >= FXP_REV_82558_A4)
if (PCI_CACHELINE(pci_conf_read(pa->pa_pc, pa->pa_tag,
PCI_BHLC_REG))) {
pci_conf_write(pa->pa_pc, pa->pa_tag,
PCI_COMMAND_STATUS_REG,
PCI_COMMAND_INVALIDATE_ENABLE |
pci_conf_read(pa->pa_pc, pa->pa_tag,
PCI_COMMAND_STATUS_REG));
sc->sc_flags |= FXPF_MWI_ENABLE;
}
/* Do generic parts of attach. */
if (fxp_attach_common(sc, intrstr)) {
/* Failed! */
pci_intr_disestablish(pc, sc->sc_ih);
bus_space_unmap(sc->sc_st, sc->sc_sh, iosize);
return;
}
}
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