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/* $NetBSD: if_gem_pci.c,v 1.1 2001/09/16 00:11:42 eeh Exp $ */
/*
*
* Copyright (C) 2001 Eduardo Horvath.
* 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.
*
* 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.
*
*/
/*
* PCI bindings for Sun GEM ethernet controllers.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/errno.h>
#include <sys/device.h>
#include <machine/endian.h>
#include <vm/vm.h>
#include <uvm/uvm_extern.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_ether.h>
#endif
#if NBPFILTER > 0
#include <net/bpf.h>
#endif
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>
#include <dev/mii/mii_bitbang.h>
#include <dev/ic/gemreg.h>
#include <dev/ic/gemvar.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>
struct gem_pci_softc {
struct gem_softc gsc_gem; /* GEM device */
bus_space_tag_t gsc_memt;
bus_space_handle_t gsc_memh;
void *gsc_ih;
};
int gem_match_pci __P((struct device *, void *, void *));
void gem_attach_pci __P((struct device *, struct device *, void *));
struct cfattach gem_pci_ca = {
sizeof(struct gem_pci_softc), gem_match_pci, gem_attach_pci
};
/*
* Attach routines need to be split out to different bus-specific files.
*/
int
gem_match_pci(parent, cf, aux)
struct device *parent;
void *cf;
void *aux;
{
struct pci_attach_args *pa = aux;
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SUN &&
(PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_ERINETWORK ||
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_GEMNETWORK))
return (1);
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE &&
(PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC ||
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC2))
return (1);
return (0);
}
void
gem_attach_pci(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct pci_attach_args *pa = aux;
struct gem_pci_softc *gsc = (void *)self;
struct gem_softc *sc = &gsc->gsc_gem;
pci_intr_handle_t intrhandle;
#ifdef __sparc__
/* XXX the following declarations should be elsewhere */
extern void myetheraddr __P((u_char *));
#endif
const char *intrstr;
int type;
if (pa->pa_memt) {
type = PCI_MAPREG_TYPE_MEM;
sc->sc_bustag = pa->pa_memt;
} else {
type = PCI_MAPREG_TYPE_IO;
sc->sc_bustag = pa->pa_iot;
}
sc->sc_dmatag = pa->pa_dmat;
sc->sc_pci = 1; /* XXXXX should all be done in bus_dma. */
#define PCI_GEM_BASEADDR 0x10
if (pci_mapreg_map(pa, PCI_GEM_BASEADDR, type, 0,
&gsc->gsc_memt, &gsc->gsc_memh, NULL, NULL, 0) != 0)
{
printf(": could not map gem registers\n");
return;
}
sc->sc_bustag = gsc->gsc_memt;
sc->sc_h = gsc->gsc_memh;
#if 0
/* SBUS compatible stuff? */
sc->sc_seb = gsc->gsc_memh;
sc->sc_etx = gsc->gsc_memh + 0x2000;
sc->sc_erx = gsc->gsc_memh + 0x4000;
sc->sc_mac = gsc->gsc_memh + 0x6000;
sc->sc_mif = gsc->gsc_memh + 0x7000;
#endif
#ifdef __sparc__
myetheraddr(sc->sc_enaddr);
#endif
sc->sc_burst = 16; /* XXX */
printf("\n");
/*
* call the main configure
*/
gem_config(sc);
if (pci_intr_map(pa, &intrhandle) != 0) {
printf("%s: couldn't map interrupt\n",
sc->sc_dev.dv_xname);
return; /* bus_unmap ? */
}
intrstr = pci_intr_string(pa->pa_pc, intrhandle);
gsc->gsc_ih = pci_intr_establish(pa->pa_pc,
intrhandle, IPL_NET, gem_intr, sc, self->dv_xname);
if (gsc->gsc_ih != NULL) {
printf("%s: using %s for interrupt\n",
sc->sc_dev.dv_xname,
intrstr ? intrstr : "unknown interrupt");
} else {
printf("%s: couldn't establish interrupt",
sc->sc_dev.dv_xname);
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return; /* bus_unmap ? */
}
}
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