NetBSD/sys/arch/sun3/dev/if_le_subr.c

110 lines
3.3 KiB
C

/* $NetBSD: if_le_subr.c,v 1.11 1995/01/03 15:43:39 gwr Exp $ */
/*
* Copyright (c) 1994 Gordon W. Ross
* Copyright (c) 1993 Adam Glass
* 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 Adam Glass.
* 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 Adam Glass ``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 Adam Glass 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.
*/
/*
* Machine-dependent glue for the LANCE Ethernet (le) driver.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/protosw.h>
#include <sys/socket.h>
#include <net/if.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/if_ether.h>
#endif
#include <machine/autoconf.h>
#include <machine/cpu.h>
#include <machine/isr.h>
#include <machine/obio.h>
#include <machine/idprom.h>
#include "if_lereg.h"
#include "if_le.h"
#include "if_le_subr.h"
extern caddr_t dvma_malloc(); /* XXX */
int
le_md_match(parent, vcf, args)
struct device *parent;
void *vcf, *args;
{
struct cfdata *cf = vcf;
struct confargs *ca = args;
int x;
if (ca->ca_paddr == -1)
ca->ca_paddr = OBIO_AMD_ETHER;
if (ca->ca_intpri == -1)
ca->ca_intpri = 3;
/* The peek returns -1 on bus error. */
x = bus_peek(ca->ca_bustype, ca->ca_paddr, 1);
return (x != -1);
}
void
le_md_attach(parent, self, args)
struct device *parent;
struct device *self;
void *args;
{
struct le_softc *sc = (void *) self;
struct confargs *ca = args;
caddr_t p;
/* register access */
sc->sc_regs = (struct le_regs *)
obio_alloc(ca->ca_paddr, OBIO_AMD_ETHER_SIZE);
if (sc->sc_regs == NULL)
panic(": not enough obio space\n");
/* allocate "shared" memory */
sc->sc_mem = dvma_malloc(MEMSIZE);
if (sc->sc_mem == NULL)
panic(": not enough dvma space");
/* Install interrupt handler. */
isr_add_autovect(leintr, (void *)sc, ca->ca_intpri);
idprom_etheraddr(sc->sc_enaddr); /* ethernet addr */
}