141 lines
4.3 KiB
C
141 lines
4.3 KiB
C
/* $NetBSD: if_sn_jazzio.c,v 1.5 2003/07/15 00:04:49 lukem Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Microsoft JAZZ front-end for for the National Semiconductor DP83932
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* Systems-Oriented Network Interface Controller (SONIC).
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_sn_jazzio.c,v 1.5 2003/07/15 00:04:49 lukem Exp $");
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#include "bpfilter.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <sys/errno.h>
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#include <sys/device.h>
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#include <sys/kcore.h>
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#include <net/if.h>
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#include <net/if_dl.h>
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#include <net/if_ether.h>
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#include <machine/autoconf.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <dev/ic/dp83932reg.h>
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#include <dev/ic/dp83932var.h>
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#include <arc/arc/arcbios.h>
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#include <arc/jazz/jazziovar.h>
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int sonic_jazzio_match(struct device *, struct cfdata *, void *);
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void sonic_jazzio_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(sn_jazzio, sizeof(struct sonic_softc),
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sonic_jazzio_match, sonic_jazzio_attach, NULL, NULL);
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int
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sonic_jazzio_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct jazzio_attach_args *ja = aux;
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if (strcmp(ja->ja_name, "SONIC") != 0)
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return (0);
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return (1);
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}
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void
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sonic_jazzio_attach(struct device *parent, struct device *self, void *aux)
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{
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struct sonic_softc *sc = (void *) self;
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struct jazzio_attach_args *ja = aux;
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int i;
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uint8_t enaddr[ETHER_ADDR_LEN];
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sc->sc_st = ja->ja_bust;
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sc->sc_dmat = ja->ja_dmat;
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printf(": SONIC Ethernet\n");
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/* Map the device. */
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if (bus_space_map(sc->sc_st, ja->ja_addr, SONIC_NREGS * 4,
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0, &sc->sc_sh) != 0) {
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printf("%s: unable to map SONIC registers\n",
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sc->sc_dev.dv_xname);
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return;
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}
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/* We run in 32-bit mode. */
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sc->sc_32bit = 1;
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/* BMODE is set for little-endian. */
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sc->sc_bigendian = 0;
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/* Regs are 16-bit, plus 16-bit pad. */
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for (i = 0; i < SONIC_NREGS; i++)
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sc->sc_regmap[i] = i * 4;
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/*
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* Configure DCR:
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*
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* - Latched bug retry
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* - Synchronous bus (memory cycle 2 clocks)
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* - 0 wait states added (WC0,WC1 == 0,0)
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*/
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sc->sc_dcr = DCR_LBR | DCR_SBUS;
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sc->sc_dcr2 = 0;
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/* Hook up our interrupt handler. */
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jazzio_intr_establish(ja->ja_intr, sonic_intr, sc);
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/* The Ethernet address is from the product ID. */
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memcpy(enaddr, arc_product_id, sizeof(enaddr));
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/* Finish off the attach. */
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sonic_attach(sc, enaddr);
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}
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