Monolithic PowerPC kernel, new include

1 files changed, 164 insertions, 0 deletions

diff --git a/sys/arch/powerpc/include/bus.h b/sys/arch/powerpc/include/bus.h
new file mode 100644
index 00000000000..f6b1a911760
--- /dev/null
+++ b/sys/arch/powerpc/include/bus.h
@@ -0,0 +1,164 @@
+/*	$OpenBSD: bus.h,v 1.1 1997/10/13 10:53:42 pefo Exp $	*/
+
+/*
+ * Copyright (c) 1997 Per Fogelstrom.  All rights reserved.
+ * Copyright (c) 1996 Niklas Hallqvist.  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 Christopher G. Demetriou
+ *	for the NetBSD Project.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 _MACHINE_BUS_H_
+#define _MACHINE_BUS_H_
+
+#include <machine/pio.h>
+
+#ifdef __STDC__
+#define CAT(a,b)	a##b
+#define CAT3(a,b,c)	a##b##c
+#else
+#define CAT(a,b)	a/**/b
+#define CAT3(a,b,c)	a/**/b/**/c
+#endif
+
+/*
+ * Bus access types.
+ */
+typedef u_int32_t bus_addr_t;
+typedef u_int32_t bus_size_t;
+typedef u_int32_t bus_space_handle_t;
+typedef struct p4e_bus_space *bus_space_tag_t;
+
+struct p4e_bus_space {
+	u_int32_t	bus_base;
+	u_int8_t	bus_reverse;	/* Reverse bytes */
+};
+
+extern struct p4e_bus_space p4e_isa_io, p4e_isa_mem;
+
+/*
+ * Access methods for bus resources
+ */
+#define bus_space_map(t, addr, size, cacheable, bshp)			      \
+    ((*(bshp) = (t)->bus_base + (addr)), 0)
+
+#define bus_space_unmap(t, bsh, size)
+
+#define bus_space_read(n,m)						      \
+static __inline CAT3(u_int,m,_t)					      \
+CAT(bus_space_read_,n)(bus_space_tag_t bst, bus_space_handle_t bsh,	      \
+     bus_addr_t ba)							      \
+{									      \
+    if(bst->bus_reverse)						      \
+	return CAT3(in,m,rb)((volatile CAT3(u_int,m,_t) *)(bsh + (ba)));      \
+    else								      \
+	return CAT(in,m)((volatile CAT3(u_int,m,_t) *)(bsh + (ba)));	      \
+}
+
+bus_space_read(1,8)
+bus_space_read(2,16)
+bus_space_read(4,32)
+
+#define	bus_space_read_8	!!! bus_space_read_8 unimplemented !!!
+
+#define bus_space_read_multi_1(t, h, o, a, c) do {			      \
+		insb((u_int8_t *)((h) + (o)), (a), (c));		      \
+	} while(0)
+
+#define bus_space_read_multi_2(t, h, o, a, c) do {			      \
+		insw((u_int16_t *)((h) + (o)), (a), (c));		      \
+	} while(0)
+
+#define bus_space_read_multi_4(t, h, o, a, c) do {			      \
+		insl((u_int32_t *)((h) + (o)), (a), (c));		      \
+	} while(0)
+
+#define	bus_space_read_multi_8	!!! bus_space_read_multi_8 not implemented !!!
+
+#define bus_space_write(n,m)						      \
+static __inline void							      \
+CAT(bus_space_write_,n)(bus_space_tag_t bst, bus_space_handle_t bsh,	      \
+     bus_addr_t ba, CAT3(u_int,m,_t) x)					      \
+{									      \
+    if(bst->bus_reverse)						      \
+	CAT3(out,m,rb)((volatile CAT3(u_int,m,_t) *)(bsh + (ba)), x);	      \
+    else								      \
+	CAT(out,m)((volatile CAT3(u_int,m,_t) *)(bsh + (ba)), x);	      \
+}
+
+bus_space_write(1,8)
+bus_space_write(2,16)
+bus_space_write(4,32)
+
+#define	bus_space_write_8	!!! bus_space_write_8 unimplemented !!!
+
+
+#define bus_space_write_multi_1(t, h, o, a, c) do {			      \
+		outsb((u_int8_t *)((h) + (o)), (a), (c));		      \
+	} while(0)
+
+#define bus_space_write_multi_2(t, h, o, a, c) do {			      \
+		outsw((u_int16_t *)((h) + (o)), (a), (c));		      \
+	} while(0)
+
+#define bus_space_write_multi_4(t, h, o, a, c) do {			      \
+		outsl((u_int32_t *)((h) + (o)), (a), (c));		      \
+	} while(0)
+
+#define	bus_space_write_multi_8	!!! bus_space_write_multi_8 not implemented !!!
+
+/* These are OpenBSD extensions to the general NetBSD bus interface.  */
+#define	bus_space_read_raw_multi(n,m,l)					      \
+static __inline void							      \
+CAT(bus_space_read_raw_multi_,n)(bus_space_tag_t bst, bus_space_handle_t bsh, \
+    bus_addr_t ba, u_int8_t *buf, bus_size_t cnt)			      \
+{									      \
+	CAT(bus_space_read_multi_,n)(bst, bsh, ba, (CAT3(u_int,m,_t) *)buf,   \
+	    cnt >> l);							      \
+}
+
+bus_space_read_raw_multi(2,16,1)
+bus_space_read_raw_multi(4,32,2)
+
+#define	bus_space_read_raw_multi_8 \
+    !!! bus_space_read_raw_multi_8 not implemented !!!
+
+#define	bus_space_write_raw_multi(n,m,l)				      \
+static __inline void							      \
+CAT(bus_space_write_raw_multi_,n)(bus_space_tag_t bst, bus_space_handle_t bsh,\
+    bus_addr_t ba, const u_int8_t *buf, bus_size_t cnt)			      \
+{									      \
+	CAT(bus_space_write_multi_,n)(bst, bsh, ba,			      \
+	    (const CAT3(u_int,m,_t) *)buf, cnt >> l);			      \
+}
+
+bus_space_write_raw_multi(2,16,1)
+bus_space_write_raw_multi(4,32,2)
+
+#define	bus_space_write_raw_multi_8 \
+    !!! bus_space_write_raw_multi_8 not implemented !!!
+
+#endif /* _MACHINE_BUS_H_ */