NetBSD-5.0.2/sys/dev/pci/if_ep_pci.c
/* $NetBSD: if_ep_pci.c,v 1.49 2008/08/27 05:33:47 christos Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* 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, 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* Copyright (c) 1997 Jonathan Stone <jonathan@NetBSD.org>
* Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org>
* 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, 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Herb Peyerl.
* 4. The name of Herb Peyerl may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_ep_pci.c,v 1.49 2008/08/27 05:33:47 christos Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/syslog.h>
#include <sys/select.h>
#include <sys/device.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_ether.h>
#include <net/if_media.h>
#include <sys/cpu.h>
#include <sys/bus.h>
#include <sys/intr.h>
#include <dev/mii/miivar.h>
#include <dev/ic/elink3var.h>
#include <dev/ic/elink3reg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>
/*
* PCI constants.
*/
#define PCI_CBIO 0x10 /* Configuration Base IO Address */
static int ep_pci_match(device_t , cfdata_t , void *);
static void ep_pci_attach(device_t , device_t , void *);
CFATTACH_DECL_NEW(ep_pci, sizeof(struct ep_softc),
ep_pci_match, ep_pci_attach, NULL, NULL);
static struct ep_pci_product {
u_int32_t epp_prodid; /* PCI product ID */
u_short epp_chipset; /* 3Com chipset used */
int epp_flags; /* initial softc flags */
const char *epp_name; /* device name */
} ep_pci_products[] = {
{ PCI_PRODUCT_3COM_3C590, ELINK_CHIPSET_VORTEX,
0,
"3c590 Ethernet" },
/*
* Note: The 3c595-MII is an MII connector for an
* external PHY. We treat it as `manual' in the
* core driver.
*/
{ PCI_PRODUCT_3COM_3C595TX, ELINK_CHIPSET_VORTEX,
0,
"3c595-TX 10/100 Ethernet" },
{ PCI_PRODUCT_3COM_3C595T4, ELINK_CHIPSET_VORTEX,
0,
"3c595-T4 10/100 Ethernet" },
{ PCI_PRODUCT_3COM_3C595MII, ELINK_CHIPSET_VORTEX,
0,
"3c595-MII 10/100 Ethernet" },
{ PCI_PRODUCT_3COM_3C900TPO, ELINK_CHIPSET_BOOMERANG,
0,
"3c900-TPO Ethernet" },
{ PCI_PRODUCT_3COM_3C900COMBO, ELINK_CHIPSET_BOOMERANG,
0,
"3c900-COMBO Ethernet" },
{ PCI_PRODUCT_3COM_3C905TX, ELINK_CHIPSET_BOOMERANG,
ELINK_FLAGS_MII,
"3c905-TX 10/100 Ethernet" },
{ PCI_PRODUCT_3COM_3C905T4, ELINK_CHIPSET_BOOMERANG,
ELINK_FLAGS_MII,
"3c905-T4 10/100 Ethernet" },
{ 0, 0,
0, NULL },
};
static const struct ep_pci_product *
ep_pci_lookup(const struct pci_attach_args *pa)
{
struct ep_pci_product *epp;
if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM)
return (NULL);
for (epp = ep_pci_products; epp->epp_name != NULL; epp++)
if (PCI_PRODUCT(pa->pa_id) == epp->epp_prodid)
return (epp);
return (NULL);
}
static int
ep_pci_match(device_t parent, cfdata_t match, void *aux)
{
struct pci_attach_args *pa = (struct pci_attach_args *) aux;
if (ep_pci_lookup(pa) != NULL)
return (1);
return (0);
}
static void
ep_pci_attach(device_t parent, device_t self, void *aux)
{
struct ep_softc *sc = device_private(self);
struct pci_attach_args *pa = aux;
pci_chipset_tag_t pc = pa->pa_pc;
pci_intr_handle_t ih;
const struct ep_pci_product *epp;
const char *intrstr = NULL;
aprint_naive(": Ethernet controller\n");
if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
&sc->sc_iot, &sc->sc_ioh, NULL, NULL)) {
aprint_error(": can't map i/o space\n");
return;
}
epp = ep_pci_lookup(pa);
if (epp == NULL) {
printf("\n");
panic("ep_pci_attach: impossible");
}
aprint_normal(": 3Com %s\n", epp->epp_name);
sc->sc_dev = self;
sc->enable = NULL;
sc->disable = NULL;
sc->enabled = 1;
sc->bustype = ELINK_BUS_PCI;
sc->ep_flags = epp->epp_flags;
/* Enable the card. */
pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
PCI_COMMAND_MASTER_ENABLE);
/* Map and establish the interrupt. */
if (pci_intr_map(pa, &ih)) {
aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n");
return;
}
intrstr = pci_intr_string(pc, ih);
sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, sc);
if (sc->sc_ih == NULL) {
aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
if (intrstr != NULL)
aprint_normal(" at %s", intrstr);
aprint_normal("\n");
return;
}
aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr);
epconfig(sc, epp->epp_chipset, NULL);
}