NetBSD/sys/dev/pci/if_gem_pci.c

206 lines
5.6 KiB
C

/* $NetBSD: if_gem_pci.c,v 1.14 2003/01/31 00:07:43 thorpej 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_gem_pci.c,v 1.14 2003/01/31 00:07:43 thorpej Exp $");
#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 <uvm/uvm_extern.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/if_ether.h>
#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>
/* XXX Should use Properties when that's fleshed out. */
#ifdef macppc
#include <dev/ofw/openfirm.h>
#endif /* macppc */
struct gem_pci_softc {
struct gem_softc gsc_gem; /* GEM device */
void *gsc_ih;
};
int gem_match_pci __P((struct device *, struct cfdata *, void *));
void gem_attach_pci __P((struct device *, struct device *, void *));
CFATTACH_DECL(gem_pci, sizeof(struct gem_pci_softc),
gem_match_pci, gem_attach_pci, NULL, NULL);
/*
* Attach routines need to be split out to different bus-specific files.
*/
int
gem_match_pci(parent, cf, aux)
struct device *parent;
struct cfdata *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 ||
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC3))
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 ih;
const char *intrstr;
char devinfo[256];
uint8_t enaddr[ETHER_ADDR_LEN];
aprint_naive(": Ethernet controller\n");
pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
aprint_normal(": %s (rev. 0x%02x)\n", devinfo,
PCI_REVISION(pa->pa_class));
sc->sc_dmatag = pa->pa_dmat;
sc->sc_pci = 1; /* XXX */
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))
sc->sc_variant = GEM_SUN_GEM;
else 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))
sc->sc_variant = GEM_APPLE_GMAC;
#define PCI_GEM_BASEADDR (PCI_MAPREG_START + 0x00)
/* XXX Need to check for a 64-bit mem BAR? */
if (pci_mapreg_map(pa, PCI_GEM_BASEADDR,
PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
&sc->sc_bustag, &sc->sc_h, NULL, NULL) != 0)
{
aprint_error("%s: unable to map device registers\n",
sc->sc_dev.dv_xname);
return;
}
/*
* XXX This should be done with properties, when those are
* XXX fleshed out.
*/
#ifdef __sparc__
{
extern void myetheraddr __P((u_char *));
myetheraddr(enaddr);
}
#endif /* __sparc__ */
#ifdef macppc
{
int node;
node = pcidev_to_ofdev(pa->pa_pc, pa->pa_tag);
if (node == 0) {
aprint_error("%s: unable to locate OpenFirmware node\n",
sc->sc_dev.dv_xname);
return;
}
OF_getprop(node, "local-mac-address", enaddr, sizeof(enaddr));
}
#endif /* macppc */
if (pci_intr_map(pa, &ih) != 0) {
aprint_error("%s: unable to map interrupt\n",
sc->sc_dev.dv_xname);
return;
}
intrstr = pci_intr_string(pa->pa_pc, ih);
gsc->gsc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, gem_intr, sc);
if (gsc->gsc_ih == NULL) {
aprint_error("%s: unable to establish interrupt",
sc->sc_dev.dv_xname);
if (intrstr != NULL)
aprint_normal(" at %s", intrstr);
aprint_normal("\n");
return;
}
aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
/* Finish off the attach. */
gem_attach(sc, enaddr);
}