sync w/netbsd

1 files changed, 147 insertions, 0 deletions

diff --git a/sys/arch/vax/uba/uba_cmi.c b/sys/arch/vax/uba/uba_cmi.c
new file mode 100644
index 00000000000..22ce4ee8897
--- /dev/null
+++ b/sys/arch/vax/uba/uba_cmi.c
@@ -0,0 +1,147 @@
+/*	$OpenBSD: uba_cmi.c,v 1.1 2000/04/27 03:14:51 bjc Exp $	*/
+/*	$NetBSD: uba_cmi.c,v 1.2 1999/08/14 11:31:48 ragge Exp $	   */
+/*
+ * Copyright (c) 1996 Jonathan Stone.
+ * Copyright (c) 1994, 1996 Ludd, University of Lule}, Sweden.
+ * Copyright (c) 1982, 1986 The Regents of the University of California.
+ * 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 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.
+ *
+ *	@(#)uba.c	7.10 (Berkeley) 12/16/90
+ *	@(#)autoconf.c	7.20 (Berkeley) 5/9/91
+ */
+
+#include <sys/param.h>
+#include <sys/device.h>
+#include <sys/systm.h>
+
+#define	_VAX_BUS_DMA_PRIVATE
+#include <machine/bus.h>
+#include <machine/mtpr.h>
+#include <machine/nexus.h>
+#include <machine/cpu.h>
+#include <machine/sgmap.h>
+
+#include <arch/vax/qbus/ubavar.h>
+
+#include <arch/vax/uba/uba_common.h>
+
+/* Some CMI-specific defines */
+#define	UBASIZE		((UBAPAGES + UBAIOPAGES) * VAX_NBPG)
+#define UMEM750(i)     	(0xfc0000 - (i) * UBASIZE)
+#define	UIOPAGE(x)	(UMEM750(x) + (UBAPAGES * VAX_NBPG))
+
+/*
+ * The DW780 and DW750 are quite similar to their function from
+ * a programmers point of view. Differencies are number of BDP's
+ * and bus status/command registers, the latter are (partly) IPR's
+ * on 750.
+ */
+static	int	dw750_match __P((struct device *, struct cfdata *, void *));
+static	void	dw750_attach __P((struct device *, struct device *, void *));
+static	void	dw750_init __P((struct uba_softc*));
+#ifdef notyet
+static	void	dw750_purge __P((struct uba_softc *, int));
+#endif
+
+struct	cfattach uba_cmi_ca = {
+	sizeof(struct uba_vsoftc), dw750_match, dw750_attach
+};
+
+extern	struct vax_bus_space vax_mem_bus_space;
+
+int
+dw750_match(parent, cf, aux)
+	struct device *parent;
+	struct cfdata *cf;
+	void *aux;
+{
+	struct sbi_attach_args *sa = (struct sbi_attach_args *)aux;
+
+	if ((cf->cf_loc[0] != sa->nexnum) && (cf->cf_loc[0] > -1 ))
+		return 0;
+	/*
+	 * The uba type is actually only telling where the uba
+	 * space is in nexus space.
+	 */
+	if ((sa->type & ~3) != NEX_UBA0)
+		return 0;
+
+	return 1;
+}
+
+void
+dw750_attach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	struct uba_vsoftc *sc = (void *)self;
+	struct sbi_attach_args *sa = aux;
+	struct  uba_regs *uh_uba = (void *)sa->nexaddr;
+	int ubaddr = sa->nexinfo & 1;
+
+	printf(": DW750\n");
+	/*
+	 * Fill in bus specific data.
+	 */
+	sc->uv_sc.uh_ubainit = dw750_init;
+#ifdef notyet
+	sc->uv_sc.uh_ubapurge = dw750_purge;
+#endif
+	sc->uv_sc.uh_iot = &vax_mem_bus_space;
+	sc->uv_sc.uh_dmat = &sc->uv_dmat;
+
+	/*
+	 * Fill in variables used by the sgmap system.
+	 */
+	sc->uv_size = UBASIZE;		/* Size in bytes of Qbus space */
+	sc->uv_addr = (paddr_t)uh_uba->uba_map;	/* Map regs physical address */
+
+	uba_dma_init(sc);
+	uba_attach(&sc->uv_sc, UIOPAGE(ubaddr));
+}
+
+void
+dw750_init(sc)
+	struct uba_softc *sc;
+{
+	mtpr(0, PR_IUR);
+	DELAY(500000);
+}
+
+#ifdef notyet
+void
+dw750_purge(sc, bdp)
+	struct uba_softc *sc;
+	int bdp;
+{
+	sc->uh_uba->uba_dpr[bdp] |= UBADPR_PURGE | UBADPR_NXM | UBADPR_UCE;
+}
+#endif