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

217 lines
6.0 KiB
C

/* $NetBSD: if_le.c,v 1.25 1996/01/12 23:08:57 chuck Exp $ */
/*-
* Copyright (c) 1995 Charles M. Hannum. All rights reserved.
* 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 "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 <sys/malloc.h>
#include <net/if.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_ether.h>
#endif
#include <machine/autoconf.h>
#include <machine/cpu.h>
#include <sparc/dev/sbusvar.h>
#include <sparc/dev/dmareg.h>
#include <sparc/dev/dmavar.h>
#include <sparc/dev/if_lereg.h>
#include <sparc/dev/if_levar.h>
#include <dev/ic/am7990reg.h>
#define LE_NEED_BUF_CONTIG
#include <dev/ic/am7990var.h>
#define LE_SOFTC(unit) lecd.cd_devs[unit]
#define LE_DELAY(x) DELAY(x)
int lematch __P((struct device *, void *, void *));
void leattach __P((struct device *, struct device *, void *));
int leintr __P((void *));
struct cfdriver lecd = {
NULL, "le", lematch, leattach, DV_IFNET, sizeof(struct le_softc)
};
integrate void
lewrcsr(sc, port, val)
struct le_softc *sc;
u_int16_t port, val;
{
register struct lereg1 *ler1 = sc->sc_r1;
ler1->ler1_rap = port;
ler1->ler1_rdp = val;
}
integrate u_int16_t
lerdcsr(sc, port)
struct le_softc *sc;
u_int16_t port;
{
register struct lereg1 *ler1 = sc->sc_r1;
u_int16_t val;
ler1->ler1_rap = port;
val = ler1->ler1_rdp;
return (val);
}
int
lematch(parent, match, aux)
struct device *parent;
void *match, *aux;
{
struct cfdata *cf = match;
struct confargs *ca = aux;
register struct romaux *ra = &ca->ca_ra;
if (strcmp(cf->cf_driver->cd_name, ra->ra_name))
return (0);
if (ca->ca_bustype == BUS_SBUS)
return (1);
return (probeget(ra->ra_vaddr, 2) != -1);
}
void
leattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct le_softc *sc = (void *)self;
struct confargs *ca = aux;
int pri;
struct bootpath *bp;
u_long laddr;
int dmachild = strncmp(parent->dv_xname, "ledma", 5) == 0;
/* XXX the following declarations should be elsewhere */
extern void myetheraddr(u_char *);
if (ca->ca_ra.ra_nintr != 1) {
printf(": expected 1 interrupt, got %d\n", ca->ca_ra.ra_nintr);
return;
}
pri = ca->ca_ra.ra_intr[0].int_pri;
printf(" pri %d", pri);
sc->sc_r1 = (struct lereg1 *)mapiodev(ca->ca_ra.ra_reg, 0,
sizeof(struct lereg1),
ca->ca_bustype);
sc->sc_conf3 = LE_C3_BSWP | LE_C3_ACON | LE_C3_BCON;
laddr = (u_long)dvma_malloc(MEMSIZE, &sc->sc_mem, M_NOWAIT);
#if defined (SUN4M)
if ((laddr & 0xffffff) >= (laddr & 0xffffff) + MEMSIZE)
panic("if_le: Lance buffer crosses 16MB boundary");
#endif
sc->sc_addr = laddr & 0xffffff;
sc->sc_memsize = MEMSIZE;
myetheraddr(sc->sc_arpcom.ac_enaddr);
sc->sc_copytodesc = copytobuf_contig;
sc->sc_copyfromdesc = copyfrombuf_contig;
sc->sc_copytobuf = copytobuf_contig;
sc->sc_copyfrombuf = copyfrombuf_contig;
sc->sc_zerobuf = zerobuf_contig;
sc->sc_arpcom.ac_if.if_name = lecd.cd_name;
leconfig(sc);
bp = ca->ca_ra.ra_bp;
switch (ca->ca_bustype) {
#if defined(SUN4C) || defined(SUN4M)
#define SAME_LANCE(bp, ca) \
((bp->val[0] == ca->ca_slot && bp->val[1] == ca->ca_offset) || \
(bp->val[0] == -1 && bp->val[1] == sc->sc_dev.dv_unit))
case BUS_SBUS:
sc->sc_sd.sd_reset = (void *)lereset;
if (dmachild) {
#ifdef notyet
sc->sc_dma = (struct dma_softc *)parent;
sc->sc_dma->sc_le = sc;
sc->sc_dma->sc_regs->en_bar = laddr & 0xff000000;
sbus_establish(&sc->sc_sd, parent);
#endif
} else {
sc->sc_dma = NULL;
sbus_establish(&sc->sc_sd, &sc->sc_dev);
}
if (bp != NULL && strcmp(bp->name, lecd.cd_name) == 0 &&
SAME_LANCE(bp, ca))
bootdv = &sc->sc_dev;
break;
#endif /* SUN4C || SUN4M */
default:
if (bp != NULL && strcmp(bp->name, lecd.cd_name) == 0 &&
sc->sc_dev.dv_unit == bp->val[1])
bootdv = &sc->sc_dev;
break;
}
sc->sc_ih.ih_fun = leintr;
#if defined(SUN4M) /*XXX*/
if (cputyp == CPU_SUN4M)
sc->sc_ih.ih_fun = myleintr;
#endif
sc->sc_ih.ih_arg = sc;
intr_establish(pri, &sc->sc_ih);
/* now initialize DMA */
if (sc->sc_dma) {
DMA_ENINTR(sc->sc_dma);
}
}
#include <dev/ic/am7990.c>