155 lines
4.3 KiB
C
155 lines
4.3 KiB
C
/* $NetBSD: if_sn_ap.c,v 1.2 1999/12/23 06:52:30 tsubai Exp $ */
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/*
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* Copyright (C) 1997 Allen Briggs
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* All rights reserved.
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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 Allen Briggs
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "opt_inet.h"
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#include <sys/param.h>
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#include <sys/device.h>
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#include <sys/errno.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <sys/syslog.h>
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#include <sys/systm.h>
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#include <net/if.h>
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#include <net/if_ether.h>
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#include <machine/cpu.h>
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#include <machine/adrsmap.h>
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#include <newsmips/apbus/apbusvar.h>
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#include <newsmips/apbus/if_snreg.h>
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#include <newsmips/apbus/if_snvar.h>
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#define SONIC_MACROM_OFFSET 0x40
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#define SONIC_APBUS_REG_OFFSET 0x00010000
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#define SONIC_APBUS_MEM_OFFSET 0x00020000
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#define SONIC_APBUS_CTL_OFFSET (-0x00100000)
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static int sn_ap_match __P((struct device *, struct cfdata *, void *));
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static void sn_ap_attach __P((struct device *, struct device *, void *));
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static int sn_ap_getaddr __P((struct sn_softc *, u_int8_t *));
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struct cfattach sn_ap_ca = {
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sizeof(struct sn_softc), sn_ap_match, sn_ap_attach
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};
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static int
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sn_ap_match(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct apbus_attach_args *apa = aux;
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if (strcmp(apa->apa_name, "sonic") != 0)
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return 0;
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return 1;
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}
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/*
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* Install interface into kernel networking data structures
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*/
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static void
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sn_ap_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct sn_softc *sc = (void *)self;
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struct apbus_attach_args *apa = aux;
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u_int8_t myaddr[ETHER_ADDR_LEN];
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u_int intrmask;
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sc->sc_hwbase = (caddr_t)apa->apa_hwbase;
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sc->sc_regbase = (void *)(apa->apa_hwbase + SONIC_APBUS_REG_OFFSET);
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sc->space = (void *)(apa->apa_hwbase + SONIC_APBUS_MEM_OFFSET);
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printf(" slot%d addr 0x%lx", apa->apa_slotno, apa->apa_hwbase);
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sc->snr_dcr = DCR_WAIT0 | DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16;
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sc->snr_dcr2 = 0;
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sc->snr_dcr |= DCR_EXBUS;
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sc->bitmode = 1;
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if (sn_ap_getaddr(sc, myaddr)) {
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printf(": failed to get MAC address\n");
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return;
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}
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printf("\n");
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/* snsetup returns 1 if something fails */
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if (snsetup(sc, myaddr))
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return;
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intrmask = (apa->apa_slotno == 0) ?
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NEWS5000_INT0_SONIC : SLOTTOMASK(apa->apa_slotno);
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apbus_intr_establish(0, /* interrupt level (0 or 1) */
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intrmask,
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0, /* priority */
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snintr, sc, apa->apa_name, apa->apa_ctlnum);
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}
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int
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sn_ap_getaddr(sc, lladdr)
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struct sn_softc *sc;
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u_int8_t *lladdr;
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{
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u_int *p = (u_int *)(sc->sc_hwbase + SONIC_MACROM_OFFSET);
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int i;
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for (i = 0; i < 6; i++) {
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int h = *p++ & 0x0f;
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int l = *p++ & 0x0f;
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*lladdr++ = (h << 4) + l;
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}
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return 0;
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}
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#define APSONIC_INT_MASK 0x00007f00 /* XXX */
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void
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sn_md_init(sc)
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struct sn_softc *sc;
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{
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u_int *reg = (u_int *)(sc->sc_hwbase - 0x00100000);
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*reg = APSONIC_INT_MASK;
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wbflush();
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apbus_wbflush();
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delay(10000);
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}
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