NetBSD/sys/arch/amiga/dev/if_ne_zbus.c

182 lines
5.2 KiB
C

/* $NetBSD: if_ne_zbus.c,v 1.5 2000/01/23 21:06:13 aymeric Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Bernd Ernesti.
*
* 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.
*/
/*
* Thanks to Village Tronic for giving me a card.
* Bernd Ernesti
*/
#include <sys/param.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/syslog.h>
#include <sys/systm.h>
#include <net/if.h>
#include <net/if_media.h>
#include <net/if_ether.h>
#include <machine/bus.h>
#include <dev/ic/dp8390reg.h>
#include <dev/ic/dp8390var.h>
#include <dev/ic/ne2000reg.h>
#include <dev/ic/ne2000var.h>
#include <dev/ic/rtl80x9reg.h>
#include <dev/ic/rtl80x9var.h>
#include <amiga/amiga/device.h>
#include <amiga/amiga/isr.h>
#include <amiga/dev/zbusvar.h>
int ne_zbus_match __P((struct device *, struct cfdata *, void *));
void ne_zbus_attach __P((struct device *, struct device *, void *));
struct ne_zbus_softc {
struct ne2000_softc sc_ne2000;
struct bus_space_tag sc_bst;
struct isr sc_isr;
};
struct cfattach ne_zbus_ca = {
sizeof(struct ne_zbus_softc), ne_zbus_match, ne_zbus_attach
};
/*
* The Amiga address are shifted by one bit to the ISA-Bus, but
* this is handled by the bus_space functions.
*/
#define NE_ARIADNE_II_NPORTS 0x20
#define NE_ARIADNE_II_NICBASE 0x0300 /* 0x0600 */
#define NE_ARIADNE_II_NICSIZE 0x10
#define NE_ARIADNE_II_ASICBASE 0x0310 /* 0x0620 */
#define NE_ARIADNE_II_ASICSIZE 0x10
int
ne_zbus_match(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct zbus_args *zap = aux;
/* Ariadne II ethernet card */
if (zap->manid == 2167 && zap->prodid == 202)
return (1);
/* X-serv ethernet card */
if (zap->manid == 4626 && zap->prodid == 23)
return (1);
return (0);
}
/*
* Install interface into kernel networking data structures
*/
void
ne_zbus_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct ne_zbus_softc *zsc = (struct ne_zbus_softc *)self;
struct ne2000_softc *nsc = &zsc->sc_ne2000;
struct dp8390_softc *dsc = &nsc->sc_dp8390;
struct zbus_args *zap = aux;
bus_space_tag_t nict = &zsc->sc_bst;
bus_space_handle_t nich;
bus_space_tag_t asict = nict;
bus_space_handle_t asich;
int *media, nmedia, defmedia;
media = NULL;
nmedia = defmedia = 0;
dsc->sc_mediachange = rtl80x9_mediachange;
dsc->sc_mediastatus = rtl80x9_mediastatus;
dsc->init_card = rtl80x9_init_card;
zsc->sc_bst.base = (u_long)zap->va + 0;
if (zap->manid == 4626)
zsc->sc_bst.base += 0x8000;
zsc->sc_bst.absm = &amiga_bus_stride_2;
printf("\n");
/* Map i/o space. */
if (bus_space_map(nict, NE_ARIADNE_II_NICBASE, NE_ARIADNE_II_NPORTS, 0, &nich)) {
printf("%s: can't map nic i/o space\n", dsc->sc_dev.dv_xname);
return;
}
if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, NE_ARIADNE_II_ASICSIZE,
&asich)) {
printf("%s: can't map asic i/o space\n", dsc->sc_dev.dv_xname);
return;
}
dsc->sc_regt = nict;
dsc->sc_regh = nich;
nsc->sc_asict = asict;
nsc->sc_asich = asich;
/* Initialize media. */
rtl80x9_init_media(dsc, &media, &nmedia, &defmedia);
/* This interface is always enabled. */
dsc->sc_enabled = 1;
/*
* Do generic NE2000 attach. This will read the station address
* from the EEPROM.
*/
ne2000_attach(nsc, NULL, media, nmedia, defmedia);
zsc->sc_isr.isr_intr = dp8390_intr;
zsc->sc_isr.isr_arg = dsc;
zsc->sc_isr.isr_ipl = 2;
add_isr(&zsc->sc_isr);
}