import sbus stuff from netbsd (not a lot of mods).

1 files changed, 156 insertions, 0 deletions

diff --git a/sys/dev/sbus/sbusvar.h b/sys/dev/sbus/sbusvar.h
new file mode 100644
index 00000000000..0b9f71ae504
--- /dev/null
+++ b/sys/dev/sbus/sbusvar.h
@@ -0,0 +1,156 @@
+/*	$NetBSD: sbusvar.h,v 1.11 2000/11/01 06:18:45 eeh Exp $ */
+
+/*-
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Paul Kranenburg.
+ *
+ * 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 NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+#ifndef _SBUS_VAR_H
+#define _SBUS_VAR_H
+
+struct sbus_softc;
+
+/*
+ * S-bus variables.
+ */
+struct sbusdev {
+	struct	device *sd_dev;		/* backpointer to generic */
+	struct	sbusdev *sd_bchain;	/* forward link in bus chain */
+	void	(*sd_reset) __P((struct device *));
+};
+
+
+/* Device register space description */
+struct sbus_reg {
+	u_int32_t	sbr_slot;
+	u_int32_t	sbr_offset;
+	u_int32_t	sbr_size;
+};
+
+/* Interrupt information */
+struct sbus_intr {
+	u_int32_t	sbi_pri;	/* priority (IPL) */
+	u_int32_t	sbi_vec;	/* vector (always 0?) */
+};
+
+/* Address translation accross busses */
+struct sbus_range {
+	u_int32_t	cspace;		/* Client space */
+	u_int32_t	coffset;	/* Client offset */
+	u_int32_t	pspace;		/* Parent space */
+	u_int32_t	poffset;	/* Parent offset */
+	u_int32_t	size;		/* Size in bytes of this range */
+};
+
+/*
+ * Sbus driver attach arguments.
+ */
+struct sbus_attach_args {
+	int		sa_placeholder;	/* for obio attach args sharing */
+	bus_space_tag_t	sa_bustag;
+	bus_dma_tag_t	sa_dmatag;
+	char		*sa_name;	/* PROM node name */
+	int		sa_node;	/* PROM handle */
+	struct sbus_reg	*sa_reg;	/* Sbus register space for device */
+	int		sa_nreg;	/* Number of Sbus register spaces */
+#define sa_slot		sa_reg[0].sbr_slot
+#define sa_offset	sa_reg[0].sbr_offset
+#define sa_size		sa_reg[0].sbr_size
+
+	struct sbus_intr *sa_intr;	/* Sbus interrupts for device */
+	int		sa_nintr;	/* Number of interrupts */
+#define sa_pri		sa_intr[0].sbi_pri
+
+	u_int32_t	*sa_promvaddrs;/* PROM-supplied virtual addresses -- 32-bit */
+	int		sa_npromvaddrs;	/* Number of PROM VAs */
+#define sa_promvaddr	sa_promvaddrs[0]
+	int		sa_frequency;	/* SBus clockrate */
+};
+
+/* sbus_attach_internal() is also used from obio.c */
+void	sbus_attach_common __P((struct sbus_softc *, char *, int, 
+				const char * const *));
+int	sbus_print __P((void *, const char *));
+
+void	sbus_establish __P((struct sbusdev *, struct device *));
+
+int	sbus_setup_attach_args __P((
+		struct sbus_softc *,
+		bus_space_tag_t,
+		bus_dma_tag_t,
+		int,			/*node*/
+		struct sbus_attach_args *));
+
+void	sbus_destroy_attach_args __P((struct sbus_attach_args *));
+
+#define sbus_bus_map(t, bt, a, s, f, v, hp) \
+	bus_space_map2(t, bt, a, s, f, v, hp)
+
+#if notyet
+/* variables per Sbus */
+struct sbus_softc {
+	struct	device sc_dev;		/* base device */
+	bus_space_tag_t	sc_bustag;
+	bus_dma_tag_t	sc_dmatag;
+	int	sc_clockfreq;		/* clock frequency (in Hz) */
+	struct	sbusdev *sc_sbdev;	/* list of all children */
+	struct	sbus_range *sc_range;
+	int	sc_nrange;
+	int	sc_burst;		/* burst transfer sizes supported */
+	/* machdep stuff follows here */
+	int	*sc_intr2ipl;		/* Interrupt level translation */
+	int	*sc_intr_compat;	/* `intr' property to sbus compat */
+};
+#endif
+
+
+/*
+ * PROM-reported DMA burst sizes for the SBus
+ */
+#define SBUS_BURST_1	0x1
+#define SBUS_BURST_2	0x2
+#define SBUS_BURST_4	0x4
+#define SBUS_BURST_8	0x8
+#define SBUS_BURST_16	0x10
+#define SBUS_BURST_32	0x20
+#define SBUS_BURST_64	0x40
+
+/* We use #defined(SUN4*) here while the ports are in flux */
+#if defined(SUN4) || defined(SUN4C) || defined(SUN4M)
+#include <sparc/dev/sbusvar.h>
+#elif defined(SUN4U)
+#include <sparc64/dev/sbusvar.h>
+#endif
+
+#endif /* _SBUS_VAR_H */