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/* $OpenBSD: if_fxp_pci.c,v 1.11 2001/11/06 19:53:19 miod 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 <uvm/uvm_extern.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 __P((struct device *, void *, void *));
void fxp_pci_attach __P((struct device *, struct device *, void *));
struct cfattach fxp_pci_ca = {
sizeof(struct fxp_softc), fxp_pci_match, fxp_pci_attach
};
/*
* Check if a device is an 82557.
*/
int
fxp_pci_match(parent, match, aux)
struct device *parent;
void *match;
void *aux;
{
struct pci_attach_args *pa = aux;
if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_INTEL)
return (0);
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_INTEL_82557:
case PCI_PRODUCT_INTEL_82559:
case PCI_PRODUCT_INTEL_82559ER:
case PCI_PRODUCT_INTEL_82562:
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:
return (1);
}
return (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;
u_int8_t enaddr[6];
bus_space_tag_t iot = pa->pa_iot;
bus_addr_t iobase;
bus_size_t iosize;
pcireg_t rev = PCI_REVISION(pa->pa_class);
if (pci_io_find(pc, pa->pa_tag, FXP_PCI_IOBA, &iobase, &iosize)) {
printf(": can't find i/o space\n");
return;
}
if (bus_space_map(iot, iobase, iosize, 0, &sc->sc_sh)) {
printf(": can't map i/o space\n");
return;
}
sc->sc_st = iot;
sc->sc_dmat = pa->pa_dmat;
/*
* Allocate our interrupt.
*/
if (pci_intr_map(pa, &ih)) {
printf(": couldn't map interrupt\n");
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");
return;
}
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_INTEL_82562:
sc->sc_flags |= FXPF_HAS_RESUME_BUG;
/* FALLTHROUGH */
case PCI_PRODUCT_INTEL_82559:
case PCI_PRODUCT_INTEL_82559ER:
sc->not_82557 = 1;
break;
case PCI_PRODUCT_INTEL_82557:
/*
* revisions
* 2 = 82557
* 4-6 = 82558
* 8 = 82559
*/
sc->not_82557 = (rev >= 4) ? 1 : 0;
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:
sc->sc_flags |= FXPF_HAS_RESUME_BUG;
sc->not_82557 = 0;
break;
default:
sc->not_82557 = 0;
break;
}
/* Do generic parts of attach. */
if (fxp_attach_common(sc, enaddr, intrstr)) {
/* Failed! */
return;
}
}
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