NetBSD/sys/arch/newsmips/apbus/if_sn_ap.c

155 lines
4.3 KiB
C

/* $NetBSD: if_sn_ap.c,v 1.2 1999/12/23 06:52:30 tsubai Exp $ */
/*
* Copyright (C) 1997 Allen Briggs
* All rights reserved.
*
* 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 Allen Briggs
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#include "opt_inet.h"
#include <sys/param.h>
#include <sys/device.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/syslog.h>
#include <sys/systm.h>
#include <net/if.h>
#include <net/if_ether.h>
#include <machine/cpu.h>
#include <machine/adrsmap.h>
#include <newsmips/apbus/apbusvar.h>
#include <newsmips/apbus/if_snreg.h>
#include <newsmips/apbus/if_snvar.h>
#define SONIC_MACROM_OFFSET 0x40
#define SONIC_APBUS_REG_OFFSET 0x00010000
#define SONIC_APBUS_MEM_OFFSET 0x00020000
#define SONIC_APBUS_CTL_OFFSET (-0x00100000)
static int sn_ap_match __P((struct device *, struct cfdata *, void *));
static void sn_ap_attach __P((struct device *, struct device *, void *));
static int sn_ap_getaddr __P((struct sn_softc *, u_int8_t *));
struct cfattach sn_ap_ca = {
sizeof(struct sn_softc), sn_ap_match, sn_ap_attach
};
static int
sn_ap_match(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct apbus_attach_args *apa = aux;
if (strcmp(apa->apa_name, "sonic") != 0)
return 0;
return 1;
}
/*
* Install interface into kernel networking data structures
*/
static void
sn_ap_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct sn_softc *sc = (void *)self;
struct apbus_attach_args *apa = aux;
u_int8_t myaddr[ETHER_ADDR_LEN];
u_int intrmask;
sc->sc_hwbase = (caddr_t)apa->apa_hwbase;
sc->sc_regbase = (void *)(apa->apa_hwbase + SONIC_APBUS_REG_OFFSET);
sc->space = (void *)(apa->apa_hwbase + SONIC_APBUS_MEM_OFFSET);
printf(" slot%d addr 0x%lx", apa->apa_slotno, apa->apa_hwbase);
sc->snr_dcr = DCR_WAIT0 | DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16;
sc->snr_dcr2 = 0;
sc->snr_dcr |= DCR_EXBUS;
sc->bitmode = 1;
if (sn_ap_getaddr(sc, myaddr)) {
printf(": failed to get MAC address\n");
return;
}
printf("\n");
/* snsetup returns 1 if something fails */
if (snsetup(sc, myaddr))
return;
intrmask = (apa->apa_slotno == 0) ?
NEWS5000_INT0_SONIC : SLOTTOMASK(apa->apa_slotno);
apbus_intr_establish(0, /* interrupt level (0 or 1) */
intrmask,
0, /* priority */
snintr, sc, apa->apa_name, apa->apa_ctlnum);
}
int
sn_ap_getaddr(sc, lladdr)
struct sn_softc *sc;
u_int8_t *lladdr;
{
u_int *p = (u_int *)(sc->sc_hwbase + SONIC_MACROM_OFFSET);
int i;
for (i = 0; i < 6; i++) {
int h = *p++ & 0x0f;
int l = *p++ & 0x0f;
*lladdr++ = (h << 4) + l;
}
return 0;
}
#define APSONIC_INT_MASK 0x00007f00 /* XXX */
void
sn_md_init(sc)
struct sn_softc *sc;
{
u_int *reg = (u_int *)(sc->sc_hwbase - 0x00100000);
*reg = APSONIC_INT_MASK;
wbflush();
apbus_wbflush();
delay(10000);
}