sync with NetBSD 970112 -moj

1 files changed, 238 insertions, 0 deletions

diff --git a/sys/arch/vax/if/if_le.c b/sys/arch/vax/if/if_le.c
new file mode 100644
index 00000000000..a41d5db2edf
--- /dev/null
+++ b/sys/arch/vax/if/if_le.c
@@ -0,0 +1,238 @@
+/*	$NetBSD: if_le.c,v 1.3 1996/10/13 03:34:53 christos Exp $	*/
+
+#define LEDEBUG	 1		/* debug-level: 0 or 1 */
+/* #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 <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 <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
+};
+
+integrate void
+lewrcsr(sc, port, val)
+	struct le_softc *sc;
+	u_int16_t port, val;
+{
+	struct lereg1 *ler1 = 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
+}
+
+integrate u_int16_t
+lerdcsr(sc, port)
+	struct le_softc *sc;
+	u_int16_t port;
+{
+	struct lereg1 *ler1 = 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);
+}
+
+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;
+
+	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);
+}
+
+integrate void
+lehwinit(sc)
+	struct le_softc *sc;
+{
+}
+
+#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