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/* $OpenBSD: if_le.c,v 1.3 1997/09/10 08:28:40 maja Exp $ */
/* $NetBSD: if_le.c,v 1.8 1997/04/21 22:04:23 ragge Exp $ */
/* #define LE_CHIP_IS_POKEY /* does VS2000 need this ??? */
/*-
* 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/syslog.h>
#include <sys/socket.h>
#include <sys/device.h>
#include <sys/reboot.h>
#include <net/if.h>
#if INET
#include <netinet/in.h>
#include <netinet/if_ether.h>
#endif
/*
* This would be nice, but it's not yet there...
*
* #include <machine/autoconf.h>
*/
#include <machine/pte.h>
#include <machine/cpu.h>
#include <machine/mtpr.h>
#include <machine/uvax.h>
#include <machine/ka410.h>
#include <machine/vsbus.h>
#include <machine/rpb.h>
#include <dev/ic/am7990reg.h>
#define LE_NEED_BUF_CONTIG
#include <dev/ic/am7990var.h>
#include <dev/tc/if_levar.h>
#define xdebug(x)
#ifdef LE_CHIP_IS_POKEY
/*
* access LANCE registers and double-check their contents
*/
#define wbflush() /* do nothing */
void lewritereg();
#define LERDWR(cntl, src, dst) { (dst) = (src); wbflush(); }
#define LEWREG(src, dst) lewritereg(&(dst), (src))
#endif
#define LE_IOSIZE 64*1024 /* 64K of real-mem are reserved and already */
extern void *le_iomem; /* mapped into virt-mem by cpu_steal_pages */
extern u_long le_ioaddr; /* le_iomem is virt, le_ioaddr is phys */
#define LE_SOFTC(unit) le_cd.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 *sc));
struct cfattach le_ca = {
sizeof(struct le_softc), lematch, leattach
};
hide void lewrcsr __P ((struct am7990_softc *, u_int16_t, u_int16_t));
hide u_int16_t lerdcsr __P ((struct am7990_softc *, u_int16_t));
hide void
lewrcsr(sc, port, val)
struct am7990_softc *sc;
u_int16_t port, val;
{
struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
#ifdef LE_CHIP_IS_POKEY
LEWREG(port, ler1->ler1_rap);
LERDWR(port, val, ler1->ler1_rdp);
#else
ler1->ler1_rap = port;
ler1->ler1_rdp = val;
#endif
}
hide u_int16_t
lerdcsr(sc, port)
struct am7990_softc *sc;
u_int16_t port;
{
struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
u_int16_t val;
#ifdef LE_CHIP_IS_POKEY
LEWREG(port, ler1->ler1_rap);
LERDWR(0, ler1->ler1_rdp, val);
#else
ler1->ler1_rap = port;
val = ler1->ler1_rdp;
#endif
return (val);
}
integrate void
lehwinit(sc)
struct am7990_softc *sc;
{
}
int
lematch(parent, match, aux)
struct device *parent;
void *match, *aux;
{
struct cfdata *cf = match;
struct confargs *ca = aux;
/*
* There could/should be more checks, but for now...
*/
if (strcmp(ca->ca_name, "le") &&
strcmp(ca->ca_name, "am7990") &&
strcmp(ca->ca_name, "AM7990"))
return (0);
return (1);
}
/*
*
*/
void
leattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
register struct le_softc *sc = (void *)self;
struct confargs *ca = aux;
u_char *cp; /* pointer to MAC address */
int i;
sc->sc_r1 = (void*)uvax_phys2virt(ca->ca_ioaddr);
sc->sc_am7990.sc_conf3 = 0;
sc->sc_am7990.sc_mem = le_iomem;
sc->sc_am7990.sc_addr = le_ioaddr;
sc->sc_am7990.sc_memsize = LE_IOSIZE;
sc->sc_am7990.sc_wrcsr = lewrcsr;
sc->sc_am7990.sc_rdcsr = lerdcsr;
sc->sc_am7990.sc_hwinit = lehwinit;
sc->sc_am7990.sc_nocarrier = NULL;
xdebug(("leattach: mem=%x, addr=%x, size=%x (%d)\n",
sc->sc_am7990.sc_mem, sc->sc_am7990.sc_addr,
sc->sc_am7990.sc_memsize, sc->sc_am7990.sc_memsize));
sc->sc_am7990.sc_copytodesc = am7990_copytobuf_contig;
sc->sc_am7990.sc_copyfromdesc = am7990_copyfrombuf_contig;
sc->sc_am7990.sc_copytobuf = am7990_copytobuf_contig;
sc->sc_am7990.sc_copyfrombuf = am7990_copyfrombuf_contig;
sc->sc_am7990.sc_zerobuf = am7990_zerobuf_contig;
/*
* Get the ethernet address out of rom
*/
for (i = 0; i < sizeof(sc->sc_am7990.sc_arpcom.ac_enaddr); i++) {
int *eaddr = (void*)uvax_phys2virt(ca->ca_enaddr);
sc->sc_am7990.sc_arpcom.ac_enaddr[i] = (u_char)eaddr[i];
}
bcopy(self->dv_xname, sc->sc_am7990.sc_arpcom.ac_if.if_xname, IFNAMSIZ);
am7990_config(&sc->sc_am7990);
#ifdef LEDEBUG
sc->sc_am7990.sc_debug = LEDEBUG;
#endif
vsbus_intr_register(ca, am7990_intr, &sc->sc_am7990);
vsbus_intr_enable(ca);
/*
* Register this device as boot device if we booted from it.
* This will fail if there are more than one le in a machine,
* fortunately there may be only one.
*/
if (B_TYPE(bootdev) == BDEV_LE)
booted_from = self;
}
#ifdef LE_CHIP_IS_POKEY
/*
* Write a lance register port, reading it back to ensure success. This seems
* to be necessary during initialization, since the chip appears to be a bit
* pokey sometimes.
*/
void
lewritereg(regptr, val)
register volatile u_short *regptr;
register u_short val;
{
register int i = 0;
while (*regptr != val) {
*regptr = val;
wbflush();
if (++i > 10000) {
printf("le: Reg did not settle (to x%x): x%x\n", val,
*regptr);
return;
}
DELAY(100);
}
}
#endif
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