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/* $OpenBSD: if_le.c,v 1.12 1998/09/16 22:41:17 jason Exp $ */
/* $NetBSD: if_le.c,v 1.43 1997/05/05 21:05:32 thorpej 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>
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_ether.h>
#endif
#include <net/if_media.h>
#include <machine/autoconf.h>
#include <machine/cpu.h>
#include <machine/intr.h>
#include <dev/ic/am7990reg.h>
#include <dev/ic/am7990var.h>
#include <hp300/dev/dioreg.h>
#include <hp300/dev/diovar.h>
#include <hp300/dev/diodevs.h>
#include <hp300/dev/if_lereg.h>
#include <hp300/dev/if_levar.h>
#include "opt_useleds.h"
#ifdef USELEDS
#include <hp300/hp300/leds.h>
#endif
int lematch __P((struct device *, void *, void *));
void leattach __P((struct device *, struct device *, void *));
struct cfattach le_ca = {
sizeof(struct le_softc), lematch, leattach
};
int leintr __P((void *));
/* offsets for: ID, REGS, MEM, NVRAM */
int lestd[] = { 0, 0x4000, 0x8000, 0xC008 };
hide void lewrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t));
hide u_int16_t lerdcsr __P((struct am7990_softc *, u_int16_t));
hide void
lewrcsr(sc, port, val)
struct am7990_softc *sc;
u_int16_t port, val;
{
struct lereg0 *ler0 = ((struct le_softc *)sc)->sc_r0;
struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
do {
ler1->ler1_rap = port;
} while ((ler0->ler0_status & LE_ACK) == 0);
do {
ler1->ler1_rdp = val;
} while ((ler0->ler0_status & LE_ACK) == 0);
}
hide u_int16_t
lerdcsr(sc, port)
struct am7990_softc *sc;
u_int16_t port;
{
struct lereg0 *ler0 = ((struct le_softc *)sc)->sc_r0;
struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
u_int16_t val;
do {
ler1->ler1_rap = port;
} while ((ler0->ler0_status & LE_ACK) == 0);
do {
val = ler1->ler1_rdp;
} while ((ler0->ler0_status & LE_ACK) == 0);
return (val);
}
int
lematch(parent, match, aux)
struct device *parent;
void *match, *aux;
{
struct dio_attach_args *da = aux;
if ((da->da_id == DIO_DEVICE_ID_LAN) ||
(da->da_id == DIO_DEVICE_ID_LANREM))
return (1);
return (0);
}
/*
* Interface exists: make available by filling in network interface
* record. System will initialize the interface when it is ready
* to accept packets.
*/
void
leattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct lereg0 *ler0;
struct dio_attach_args *da = aux;
struct le_softc *lesc = (struct le_softc *)self;
caddr_t addr;
struct am7990_softc *sc = &lesc->sc_am7990;
char *cp;
int i, ipl;
addr = iomap(dio_scodetopa(da->da_scode), da->da_size);
if (addr == 0) {
printf("\n%s: can't map LANCE registers\n",
sc->sc_dev.dv_xname);
return;
}
ler0 = lesc->sc_r0 = (struct lereg0 *)(lestd[0] + (int)addr);
ler0->ler0_id = 0xFF;
DELAY(100);
ipl = DIO_IPL(addr);
printf(" ipl %d", ipl);
lesc->sc_r1 = (struct lereg1 *)(lestd[1] + (int)addr);
sc->sc_mem = (void *)(lestd[2] + (int)addr);
sc->sc_conf3 = LE_C3_BSWP;
sc->sc_addr = 0;
sc->sc_memsize = 16384;
/*
* Read the ethernet address off the board, one nibble at a time.
*/
cp = (char *)(lestd[3] + (int)addr);
for (i = 0; i < sizeof(sc->sc_arpcom.ac_enaddr); i++) {
sc->sc_arpcom.ac_enaddr[i] = (*++cp & 0xF) << 4;
cp++;
sc->sc_arpcom.ac_enaddr[i] |= *++cp & 0xF;
cp++;
}
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 = lerdcsr;
sc->sc_wrcsr = lewrcsr;
sc->sc_hwreset = NULL;
sc->sc_hwinit = NULL;
am7990_config(sc);
/* Establish the interrupt handler. */
(void) dio_intr_establish(leintr, sc, ipl, IPL_NET);
ler0->ler0_status = LE_IE;
}
int
leintr(arg)
void *arg;
{
struct am7990_softc *sc = arg;
#ifdef USELEDS
u_int16_t isr;
isr = lerdcsr(sc, LE_CSR0);
if ((isr & LE_C0_INTR) == 0)
return (0);
if (isr & LE_C0_RINT)
ledcontrol(0, 0, LED_LANRCV);
if (isr & LE_C0_TINT)
ledcontrol(0, 0, LED_LANXMT);
#endif /* USELEDS */
return (am7990_intr(sc));
}
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