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

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/* $NetBSD: if_le.c,v 1.21 2000/03/18 22:33:03 scw 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.
*
* 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/bus.h>
#include <mvme68k/dev/pccreg.h>
#include <mvme68k/dev/pccvar.h>
#include <dev/ic/lancereg.h>
#include <dev/ic/lancevar.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
};
extern struct cfdriver le_cd;
#if defined(_KERNEL) && !defined(_LKM)
#include "opt_ddb.h"
#endif
#ifdef DDB
#define hide
#else
#define hide static
#endif
hide void le_pcc_wrcsr __P((struct lance_softc *, u_int16_t, u_int16_t));
hide u_int16_t le_pcc_rdcsr __P((struct lance_softc *, u_int16_t));
hide void
le_pcc_wrcsr(sc, port, val)
struct lance_softc *sc;
u_int16_t port;
u_int16_t val;
{
struct le_softc *lsc;
lsc = (struct le_softc *) sc;
bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RAP, port);
bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RDP, val);
}
hide u_int16_t
le_pcc_rdcsr(sc, port)
struct lance_softc *sc;
u_int16_t port;
{
struct le_softc *lsc;
lsc = (struct le_softc *) sc;
bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RAP, port);
return (bus_space_read_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RDP));
}
/* ARGSUSED */
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);
}
/* ARGSUSED */
void
le_pcc_attach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct le_softc *lsc;
struct lance_softc *sc;
struct pcc_attach_args *pa;
bus_dma_segment_t seg;
int rseg;
lsc = (struct le_softc *) self;
sc = &lsc->sc_am7990.lsc;
pa = aux;
/* Map control registers. */
lsc->sc_bust = pa->pa_bust;
bus_space_map(pa->pa_bust, pa->pa_offset, 4, 0, &lsc->sc_bush);
/* Get contiguous DMA-able memory for the lance */
if (bus_dmamem_alloc(pa->pa_dmat, ether_data_buff_size, NBPG, 0,
&seg, 1, &rseg,
BUS_DMA_NOWAIT | BUS_DMA_ONBOARD_RAM | BUS_DMA_24BIT)) {
printf("%s: Failed to allocate ether buffer\n", self->dv_xname);
return;
}
if (bus_dmamem_map(pa->pa_dmat, &seg, rseg, ether_data_buff_size,
(caddr_t *) & sc->sc_mem, BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) {
printf("%s: Failed to map ether buffer\n", self->dv_xname);
bus_dmamem_free(pa->pa_dmat, &seg, rseg);
return;
}
sc->sc_addr = seg.ds_addr;
sc->sc_memsize = ether_data_buff_size;
sc->sc_conf3 = LE_C3_BSWP;
myetheraddr(sc->sc_enaddr);
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 = le_pcc_rdcsr;
sc->sc_wrcsr = le_pcc_wrcsr;
sc->sc_hwinit = NULL;
am7990_config(&lsc->sc_am7990);
/* 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);
pcc_reg_write(sys_pcc, PCCREG_LANCE_INTR_CTRL,
pa->pa_ipl | PCC_IENABLE);
}
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