NetBSD/sys/arch/hp300/dev/if_le.c

336 lines
9.6 KiB
C

/* $NetBSD: if_le.c,v 1.48 2001/05/30 12:28:42 mrg Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum and by Jason R. Thorpe.
*
* 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 NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*-
* 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 "opt_inet.h"
#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 <machine/autoconf.h>
#include <machine/cpu.h>
#include <machine/intr.h>
#include <dev/ic/lancereg.h>
#include <dev/ic/lancevar.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 *, struct cfdata *, void *));
void leattach __P((struct device *, struct device *, void *));
struct cfattach le_ca = {
sizeof(struct le_softc), lematch, leattach
};
int leintr __P((void *));
#if defined(_KERNEL_OPT)
#include "opt_ddb.h"
#endif
#ifdef DDB
#define integrate
#define hide
#else
#define integrate static __inline
#define hide static
#endif
hide void le_copytobuf __P((struct lance_softc *, void *, int, int));
hide void le_copyfrombuf __P((struct lance_softc *, void *, int, int));
hide void le_zerobuf __P((struct lance_softc *, int, int));
/* offsets for: ID, REGS, MEM, NVRAM */
int lestd[] = { 0, 0x4000, 0x8000, 0xC008 };
hide void lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t));
hide u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t));
hide void
lewrcsr(sc, port, val)
struct lance_softc *sc;
u_int16_t port, val;
{
struct le_softc *lesc = (struct le_softc *)sc;
bus_space_tag_t bst = lesc->sc_bst;
bus_space_handle_t bsh0 = lesc->sc_bsh0;
bus_space_handle_t bsh1 = lesc->sc_bsh1;
do {
bus_space_write_2(bst, bsh1, LER1_RAP, port);
} while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0);
do {
bus_space_write_2(bst, bsh1, LER1_RDP, val);
} while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0);
}
hide u_int16_t
lerdcsr(sc, port)
struct lance_softc *sc;
u_int16_t port;
{
struct le_softc *lesc = (struct le_softc *)sc;
bus_space_tag_t bst = lesc->sc_bst;
bus_space_handle_t bsh0 = lesc->sc_bsh0;
bus_space_handle_t bsh1 = lesc->sc_bsh1;
u_int16_t val;
do {
bus_space_write_2(bst, bsh1, LER1_RAP, port);
} while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0);
do {
val = bus_space_read_2(bst, bsh1, LER1_RDP);
} while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0);
return (val);
}
int
lematch(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct dio_attach_args *da = aux;
if (da->da_id == DIO_DEVICE_ID_LAN)
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 dio_attach_args *da = aux;
struct le_softc *lesc = (struct le_softc *)self;
struct lance_softc *sc = &lesc->sc_am7990.lsc;
bus_space_tag_t bst = da->da_bst;
bus_space_handle_t bsh0, bsh1, bsh2;
bus_size_t offset;
int i, ipl;
if (bus_space_map(bst, (bus_addr_t)dio_scodetopa(da->da_scode),
da->da_size, 0, &bsh0)) {
printf("\n%s: can't map LANCE registers\n",
sc->sc_dev.dv_xname);
return;
}
if (bus_space_subregion(bst, bsh0, lestd[1], LER1_SIZE, &bsh1)) {
printf("\n%s: can't subregion LANCE space\n",
sc->sc_dev.dv_xname);
return;
}
if (bus_space_subregion(bst, bsh0, lestd[2], LE_BUFSIZE, &bsh2)) {
printf("\n%s: can't subregion buffer space\n",
sc->sc_dev.dv_xname);
return;
}
lesc->sc_bst = bst;
lesc->sc_bsh0 = bsh0;
lesc->sc_bsh1 = bsh1;
lesc->sc_bsh2 = bsh2;
bus_space_write_1(bst, bsh0, LER0_ID, 0xff);
DELAY(100);
ipl = DIO_IPL((caddr_t)bsh0); /* XXX */
printf(" ipl %d", ipl);
sc->sc_conf3 = LE_C3_BSWP;
sc->sc_addr = 0;
sc->sc_memsize = LE_BUFSIZE;
/*
* Read the ethernet address off the board, one nibble at a time.
*/
offset = lestd[3];
for (i = 0; i < sizeof(sc->sc_enaddr); i++) {
sc->sc_enaddr[i] =
(bus_space_read_1(bst, bsh0, ++offset) & 0xf) << 4;
offset++;
sc->sc_enaddr[i] |=
(bus_space_read_1(bst, bsh0, ++offset) & 0xf);
offset++;
}
sc->sc_copytodesc = le_copytobuf;
sc->sc_copyfromdesc = le_copyfrombuf;
sc->sc_copytobuf = le_copytobuf;
sc->sc_copyfrombuf = le_copyfrombuf;
sc->sc_zerobuf = le_zerobuf;
sc->sc_rdcsr = lerdcsr;
sc->sc_wrcsr = lewrcsr;
sc->sc_hwinit = NULL;
am7990_config(&lesc->sc_am7990);
/* Establish the interrupt handler. */
(void) dio_intr_establish(leintr, sc, ipl, IPL_NET);
bus_space_write_1(bst, bsh0, LER0_STATUS, LE_IE);
}
int
leintr(arg)
void *arg;
{
struct lance_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));
}
hide void
le_copytobuf(sc, from, boff, len)
struct lance_softc *sc;
void *from;
int boff, len;
{
struct le_softc *lesc = (struct le_softc *)sc;
bus_space_write_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, from, len);
}
hide void
le_copyfrombuf(sc, to, boff, len)
struct lance_softc *sc;
void *to;
int boff, len;
{
struct le_softc *lesc = (struct le_softc *)sc;
bus_space_read_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, to, len);
}
hide void
le_zerobuf(sc, boff, len)
struct lance_softc *sc;
int boff, len;
{
struct le_softc *lesc = (struct le_softc *)sc;
bus_space_set_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, 0, len);
}