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/* $OpenBSD: if_en_sbus.c,v 1.3 1997/08/08 08:25:08 downsj Exp $ */
/* $NetBSD: if_en_sbus.c,v 1.4 1997/05/24 20:16:22 pk Exp $ */
/*
*
* Copyright (c) 1996 Charles D. Cranor and Washington University.
* 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 Charles D. Cranor and
* Washington University.
* 4. The name of the author 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.
*/
/*
*
* i f _ e n _ s b u s . c
*
* author: Chuck Cranor <chuck@ccrc.wustl.edu>
* started: spring, 1996.
*
* SBUS glue for the eni155s card.
*/
#include <sys/param.h>
#include <sys/types.h>
#include <sys/device.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <net/if.h>
#include <machine/autoconf.h>
#include <machine/cpu.h>
#include <sparc/dev/sbusvar.h>
#include <dev/ic/midwayreg.h>
#include <dev/ic/midwayvar.h>
/*
* local structures
*/
struct en_sbus_softc {
/* bus independent stuff */
struct en_softc esc; /* includes "device" structure */
/* sbus glue */
struct sbusdev sc_sd; /* sbus device */
struct intrhand sc_ih; /* interrupt vectoring */
};
/*
* local defines (SBUS specific stuff)
*/
#define EN_IPL 5
/*
* prototypes
*/
static int en_sbus_match __P((struct device *, void *, void *));
static void en_sbus_attach __P((struct device *, struct device *, void *));
/*
* SBUS autoconfig attachments
*/
struct cfattach en_sbus_ca = {
sizeof(struct en_sbus_softc), en_sbus_match, en_sbus_attach,
};
/***********************************************************************/
/*
* autoconfig stuff
*/
static int en_sbus_match(parent, match, aux)
struct device *parent;
void *match;
void *aux;
{
struct cfdata *cf = match;
struct confargs *ca = aux;
register struct romaux *ra = &ca->ca_ra;
if (strcmp("ENI-155s", ra->ra_name))
return 0;
if (ca->ca_bustype == BUS_SBUS)
return (1);
return 0;
}
static void en_sbus_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct en_softc *sc = (void *)self;
struct en_sbus_softc *scs = (void *)self;
struct confargs *ca = aux;
int lcv, iplcode;
printf("\n");
if (CPU_ISSUN4M) {
printf("%s: sun4m DMA not supported yet\n", sc->sc_dev.dv_xname);
return;
}
sc->en_base = (caddr_t) mapiodev(ca->ca_ra.ra_reg, 0, 4*1024*1024);
if (ca->ca_ra.ra_nintr == 1) {
sc->ipl = ca->ca_ra.ra_intr[0].int_pri;
} else {
printf("%s: claims to be at the following IPLs: ", sc->sc_dev.dv_xname);
iplcode = 0;
for (lcv = 0 ; lcv < ca->ca_ra.ra_nintr ; lcv++) {
printf("%d ", ca->ca_ra.ra_intr[lcv].int_pri);
if (EN_IPL == ca->ca_ra.ra_intr[lcv].int_pri)
iplcode = lcv;
}
if (!iplcode) {
printf("%s: can't find the IPL we want (%d)\n", sc->sc_dev.dv_xname,
EN_IPL);
return;
}
printf("\n%s: we choose IPL %d\n", sc->sc_dev.dv_xname, EN_IPL);
sc->ipl = iplcode;
}
scs->sc_ih.ih_fun = en_intr;
scs->sc_ih.ih_arg = sc;
intr_establish(EN_IPL, &scs->sc_ih);
/*
* done SBUS specific stuff
*/
en_attach(sc);
}
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