NetBSD/sys/arch/mvme68k/dev/if_le.c

167 lines
4.8 KiB
C

/* $NetBSD: if_le.c,v 1.14 1997/03/19 16:24:39 gwr Exp $ */
/*-
* Copyright (c) 1995 Charles M. Hannum. All rights reserved.
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell and Rick Macklem.
*
* 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 the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* @(#)if_le.c 8.2 (Berkeley) 11/16/93
*/
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/syslog.h>
#include <sys/socket.h>
#include <sys/device.h>
#include <net/if.h>
#include <net/if_ether.h>
#include <net/if_media.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_inarp.h>
#endif
#include <vm/vm.h>
#include <machine/autoconf.h>
#include <machine/cpu.h>
#include <machine/pmap.h>
#include <mvme68k/dev/pccreg.h>
#include <mvme68k/dev/pccvar.h>
#include <dev/ic/am7990reg.h>
#include <dev/ic/am7990var.h>
#include <mvme68k/dev/if_lereg.h>
#include <mvme68k/dev/if_levar.h>
int le_pcc_match __P((struct device *, struct cfdata *, void *));
void le_pcc_attach __P((struct device *, struct device *, void *));
struct cfattach le_pcc_ca = {
sizeof(struct le_softc), le_pcc_match, le_pcc_attach
};
hide void le_pcc_wrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t));
hide u_int16_t le_pcc_rdcsr __P((struct am7990_softc *, u_int16_t));
void *ledatabuf; /* XXXCDC hack from pmap bootstrap */
hide void
le_pcc_wrcsr(sc, port, val)
struct am7990_softc *sc;
u_int16_t port, val;
{
register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
ler1->ler1_rap = port;
ler1->ler1_rdp = val;
}
hide u_int16_t
le_pcc_rdcsr(sc, port)
struct am7990_softc *sc;
u_int16_t port;
{
register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
u_int16_t val;
ler1->ler1_rap = port;
val = ler1->ler1_rdp;
return (val);
}
int
le_pcc_match(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct pcc_attach_args *pa = aux;
if (strcmp(pa->pa_name, le_cd.cd_name))
return (0);
pa->pa_ipl = cf->pcccf_ipl;
return (1);
}
void
le_pcc_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct le_softc *lesc = (void *)self;
struct am7990_softc *sc = &lesc->sc_am7990;
struct pcc_attach_args *pa = aux;
/* XXX the following declarations should be elsewhere */
extern void myetheraddr __P((u_char *));
/* Map control registers. */
lesc->sc_r1 = (struct lereg1 *)PCC_VADDR(pa->pa_offset);
sc->sc_mem = ledatabuf; /* XXX */
sc->sc_conf3 = LE_C3_BSWP;
sc->sc_addr = (u_long)sc->sc_mem;
sc->sc_memsize = 4 * NBPG; /* XXX */
myetheraddr(sc->sc_enaddr);
sc->sc_copytodesc = am7990_copytobuf_contig;
sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
sc->sc_copytobuf = am7990_copytobuf_contig;
sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
sc->sc_zerobuf = am7990_zerobuf_contig;
sc->sc_rdcsr = le_pcc_rdcsr;
sc->sc_wrcsr = le_pcc_wrcsr;
sc->sc_hwinit = NULL;
am7990_config(sc);
/* Are we the boot device? */
if (PCC_PADDR(pa->pa_offset) == bootaddr)
booted_device = self;
pccintr_establish(PCCV_LE, am7990_intr, pa->pa_ipl, sc);
sys_pcc->le_int = pa->pa_ipl | PCC_IENABLE;
}