166 lines
4.2 KiB
C
166 lines
4.2 KiB
C
/* $NetBSD: if_le.c,v 1.4 2003/07/15 01:29:21 lukem Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1997, 1999
|
|
* Matthias Drochner. 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.
|
|
*
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.4 2003/07/15 01:29:21 lukem Exp $");
|
|
|
|
#include "opt_inet.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.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 <machine/cpu.h>
|
|
#include <machine/pte.h>
|
|
|
|
#include <machine/autoconf.h>
|
|
|
|
#include <dev/ic/lancereg.h>
|
|
#include <dev/ic/lancevar.h>
|
|
#include <dev/ic/am79900reg.h>
|
|
#include <dev/ic/am79900var.h>
|
|
|
|
#include <cesfic/cesfic/isr.h>
|
|
|
|
int lematch __P((struct device *, struct cfdata *, void *));
|
|
void leattach __P((struct device *, struct device *, void *));
|
|
|
|
CFATTACH_DECL(le, sizeof(struct am79900_softc),
|
|
lematch, leattach, NULL, NULL);
|
|
|
|
int leintr __P((void *));
|
|
|
|
void lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t));
|
|
u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t));
|
|
|
|
static char *lebase, *lemembase;
|
|
|
|
void
|
|
lewrcsr(sc, port, val)
|
|
struct lance_softc *sc;
|
|
u_int16_t port, val;
|
|
{
|
|
*(volatile int *)(lebase + 4) = port;
|
|
*(volatile int *)(lebase + 0) = val;
|
|
}
|
|
|
|
u_int16_t
|
|
lerdcsr(sc, port)
|
|
struct lance_softc *sc;
|
|
u_int16_t port;
|
|
{
|
|
u_int16_t val;
|
|
|
|
*(volatile int *)(lebase + 4) = port;
|
|
val = *(volatile int *)(lebase + 0);
|
|
return (val);
|
|
}
|
|
|
|
int
|
|
lematch(parent, match, aux)
|
|
struct device *parent;
|
|
struct cfdata *match;
|
|
void *aux;
|
|
{
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Interface exists: make available by filling in network interface
|
|
* record. System will initialize the interface when it is ready
|
|
* to accept packets.
|
|
*/
|
|
extern void sic_enable_int __P((int, int, int, int, int));
|
|
static char hwa[6] = {0x00,0x80,0xa2,0x00,0x30,0x23};
|
|
void
|
|
leattach(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
int i;
|
|
struct lance_softc *sc = (struct lance_softc *)self;
|
|
|
|
mainbus_map(0x4c000000, 0x10000, 0, (void **)&lemembase);
|
|
mainbus_map(0x48000000, 0x1000, 0, (void **)&lebase);
|
|
|
|
sc->sc_mem = lemembase;
|
|
sc->sc_conf3 = LE_C3_BSWP;
|
|
sc->sc_addr = 0x4c000000;
|
|
sc->sc_memsize = 64 * 1024;
|
|
|
|
if (cesfic_getetheraddr(sc->sc_enaddr)) {
|
|
/* fallback */
|
|
for (i = 0; i < sizeof(sc->sc_enaddr); i++) {
|
|
sc->sc_enaddr[i] = hwa[i];
|
|
}
|
|
}
|
|
|
|
sc->sc_copytodesc = lance_copytobuf_contig;
|
|
sc->sc_copyfromdesc = lance_copyfrombuf_contig;
|
|
sc->sc_copytobuf = lance_copytobuf_contig;
|
|
sc->sc_copyfrombuf = lance_copyfrombuf_contig;
|
|
sc->sc_zerobuf = lance_zerobuf_contig;
|
|
|
|
sc->sc_rdcsr = lerdcsr;
|
|
sc->sc_wrcsr = lewrcsr;
|
|
sc->sc_hwinit = NULL;
|
|
|
|
lewrcsr(sc, 4, 0x44);
|
|
am79900_config((struct am79900_softc *)sc);
|
|
|
|
/* Establish the interrupt handler. */
|
|
(void) isrlink(leintr, sc, 3, ISRPRI_NET);
|
|
sic_enable_int(17, 0, 1, 3, 0);
|
|
}
|
|
|
|
int
|
|
leintr(arg)
|
|
void *arg;
|
|
{
|
|
struct lance_softc *sc = arg;
|
|
u_int16_t isr4;
|
|
|
|
isr4 = lerdcsr(sc, 4);
|
|
if (isr4 & 0x08) {
|
|
lewrcsr(sc, 4, isr4);
|
|
return (1);
|
|
}
|
|
|
|
return (am79900_intr(sc));
|
|
}
|