NetBSD-5.0.2/sys/dev/eisa/if_ep_eisa.c
/* $NetBSD: if_ep_eisa.c,v 1.39.4.1 2009/02/02 20:48:00 snj 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.
* This product includes software developed by Jonathan Stone.
* 4. The name of Herb Peyerl or Jonathan Stone 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_eisa.c,v 1.39.4.1 2009/02/02 20:48:00 snj Exp $");
#include "opt_inet.h"
#include "bpfilter.h"
#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>
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/if_inarp.h>
#endif
#if NBPFILTER > 0
#include <net/bpf.h>
#include <net/bpfdesc.h>
#endif
#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/eisa/eisareg.h>
#include <dev/eisa/eisavar.h>
#include <dev/eisa/eisadevs.h>
static int ep_eisa_match(device_t , cfdata_t , void *);
static void ep_eisa_attach(device_t , device_t , void *);
CFATTACH_DECL_NEW(ep_eisa, sizeof(struct ep_softc),
ep_eisa_match, ep_eisa_attach, NULL, NULL);
/* XXX move these somewhere else */
/* While attaching we need a few special EISA registers of the card,
these are mapped at slotbase+EP_EISA_CFG_BASE with len EP_EISA_CFG_SIZE */
#define EP_EISA_CFG_BASE 0x0c80
#define EP_EISA_CFG_CONTROL 0x0004 /* 1 byte */
#define EP_EISA_CFG_RESOURCE 0x0008 /* 2 byte */
#define EP_EISA_CFG_SIZE 0x000a
/* The generic driver backend only needs access to the standard ports,
mapped at the beginning of the eisa slot space */
#define EP_IOPORT_OFFSET 0x0000
#define EP_IOPORT_SIZE 0x0020
/* Bits for the eisa control register */
#define EISA_RESET 0x04
#define EISA_ERROR 0x02
#define EISA_ENABLE 0x01
static const struct ep_eisa_product {
const char *eep_eisaid; /* EISA ID */
u_short eep_chipset; /* 3Com chipset used */
int eep_flags; /* initial softc flags */
const char *eep_name; /* device name */
} ep_eisa_products[] = {
{ "TCM5090", ELINK_CHIPSET_3C509,
0, EISA_PRODUCT_TCM5090 },
{ "TCM5091", ELINK_CHIPSET_3C509,
0, EISA_PRODUCT_TCM5091 },
{ "TCM5092", ELINK_CHIPSET_3C509,
0, EISA_PRODUCT_TCM5092 },
{ "TCM5093", ELINK_CHIPSET_3C509,
0, EISA_PRODUCT_TCM5093 },
{ "TCM5094", ELINK_CHIPSET_3C509,
0, EISA_PRODUCT_TCM5094 },
{ "TCM5095", ELINK_CHIPSET_3C509,
0, EISA_PRODUCT_TCM5095 },
{ "TCM5098", ELINK_CHIPSET_3C509,
0, EISA_PRODUCT_TCM5098 },
/*
* Note: The 3c597 Fast Etherlink MII (TCM5972) is an
* MII connector for an external PHY. We treat it as
* `manual' in the core driver.
*/
{ "TCM5920", ELINK_CHIPSET_VORTEX,
0, EISA_PRODUCT_TCM5920 },
{ "TCM5970", ELINK_CHIPSET_VORTEX,
0, EISA_PRODUCT_TCM5970 },
{ "TCM5971", ELINK_CHIPSET_VORTEX,
0, EISA_PRODUCT_TCM5971 },
{ "TCM5972", ELINK_CHIPSET_VORTEX,
0, EISA_PRODUCT_TCM5972 },
{ NULL, 0,
0, NULL },
};
static const struct ep_eisa_product *
ep_eisa_lookup(const struct eisa_attach_args *ea)
{
const struct ep_eisa_product *eep;
for (eep = ep_eisa_products; eep->eep_name != NULL; eep++)
if (strcmp(ea->ea_idstring, eep->eep_eisaid) == 0)
return (eep);
return (NULL);
}
static int
ep_eisa_match(device_t parent, cfdata_t match, void *aux)
{
struct eisa_attach_args *ea = aux;
/* must match one of our known ID strings */
if (ep_eisa_lookup(ea) != NULL)
return (1);
return (0);
}
static void
ep_eisa_attach(device_t parent, device_t self, void *aux)
{
struct ep_softc *sc = device_private(self);
struct eisa_attach_args *ea = aux;
bus_space_tag_t iot = ea->ea_iot;
bus_space_handle_t ioh, ioh_cfg;
eisa_chipset_tag_t ec = ea->ea_ec;
eisa_intr_handle_t ih;
const char *intrstr;
const struct ep_eisa_product *eep;
u_int irq;
/* Map i/o space. */
if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_EISA_CFG_BASE,
EP_EISA_CFG_SIZE, 0, &ioh_cfg)) {
printf("\n");
panic("ep_eisa_attach: can't map eisa cfg i/o space");
}
if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_IOPORT_OFFSET,
EP_IOPORT_SIZE, 0, &ioh)) {
printf("\n");
panic("ep_eisa_attach: can't map i/o space");
}
sc->sc_dev = self;
sc->sc_ioh = ioh;
sc->sc_iot = iot;
bus_space_write_1(iot, ioh_cfg, EP_EISA_CFG_CONTROL, EISA_ENABLE);
delay(4000);
/* Read the IRQ from the card. */
irq = bus_space_read_2(iot, ioh_cfg, EP_EISA_CFG_RESOURCE) >> 12;
eep = ep_eisa_lookup(ea);
if (eep == NULL) {
printf("\n");
panic("ep_eisa_attach: impossible");
}
/* we don't need access to the config registers any more, but
noone else should be able to map this space, so keep it
reserved? */
#if 0
bus_space_unmap(iot, ioh_cfg, EP_EISA_CFG_SIZE);
#endif
printf(": %s\n", eep->eep_name);
sc->enable = NULL;
sc->disable = NULL;
sc->enabled = 1;
sc->bustype = ELINK_BUS_EISA;
sc->ep_flags = eep->eep_flags;
if (eisa_intr_map(ec, irq, &ih)) {
aprint_error_dev(sc->sc_dev, "couldn't map interrupt (%u)\n",
irq);
return;
}
intrstr = eisa_intr_string(ec, ih);
sc->sc_ih = eisa_intr_establish(ec, ih, IST_EDGE, IPL_NET,
epintr, sc);
if (sc->sc_ih == NULL) {
aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
if (intrstr != NULL)
printf("%s: interrupting at %s\n", device_xname(sc->sc_dev),
intrstr);
epconfig(sc, eep->eep_chipset, NULL);
}