Arm port, NetBSD codebase stripped down, 32bit only support.

1 files changed, 211 insertions, 0 deletions

diff --git a/sys/arch/arm/footbridge/footbridge_com_io.c b/sys/arch/arm/footbridge/footbridge_com_io.c
new file mode 100644
index 00000000000..32f60020210
--- /dev/null
+++ b/sys/arch/arm/footbridge/footbridge_com_io.c
@@ -0,0 +1,211 @@
+/*	$OpenBSD: footbridge_com_io.c,v 1.1 2004/02/01 05:09:49 drahn Exp $	*/
+/*	$NetBSD: footbridge_com_io.c,v 1.4 2002/09/27 15:35:44 provos Exp $	*/
+
+/*
+ * Copyright (c) 1997 Mark Brinicombe.
+ * Copyright (c) 1997 Causality Limited.
+ * 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 Mark Brinicombe
+ *	for the NetBSD Project.
+ * 4. The name of the company nor the name of the author may 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 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.
+ */
+
+/*
+ * This file provides the bus space tag for the footbridge serial console
+ */
+
+/*
+ * bus_space I/O functions for mainbus
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <machine/bus.h>
+
+/* Proto types for all the bus_space structure functions */
+
+bs_protos(fcomcons);
+bs_protos(generic);
+bs_protos(bs_notimpl);
+
+/* Declare the fcomcons bus space tag */
+
+struct bus_space fcomcons_bs_tag = {
+	/* cookie */
+	NULL,
+
+	/* mapping/unmapping */
+	fcomcons_bs_map,
+	fcomcons_bs_unmap,
+	fcomcons_bs_subregion,
+
+	/* allocation/deallocation */
+	fcomcons_bs_alloc,
+	fcomcons_bs_free,
+
+	/* get kernel virtual address */
+	0, /* never used */
+
+	/* Mmap bus space for user */
+	bs_notimpl_bs_mmap,
+
+	/* barrier */
+	fcomcons_bs_barrier,
+
+	/* read (single) */
+	bs_notimpl_bs_r_1,
+	bs_notimpl_bs_r_2,
+	generic_bs_r_4,
+	bs_notimpl_bs_r_8,
+
+	/* read multiple */
+	bs_notimpl_bs_rm_1,
+	bs_notimpl_bs_rm_2,
+	bs_notimpl_bs_rm_4,
+	bs_notimpl_bs_rm_8,
+
+	/* read region */
+	bs_notimpl_bs_rr_1,
+	bs_notimpl_bs_rr_2,
+	bs_notimpl_bs_rr_4,
+	bs_notimpl_bs_rr_8,
+
+	/* write (single) */
+	bs_notimpl_bs_w_1,
+	bs_notimpl_bs_w_2,
+	generic_bs_w_4,
+	bs_notimpl_bs_w_8,
+
+	/* write multiple */
+	bs_notimpl_bs_wm_1,
+	bs_notimpl_bs_wm_2,
+	bs_notimpl_bs_wm_4,
+	bs_notimpl_bs_wm_8,
+
+	/* write region */
+	bs_notimpl_bs_wr_1,
+	bs_notimpl_bs_wr_2,
+	bs_notimpl_bs_wr_4,
+	bs_notimpl_bs_wr_8,
+
+	bs_notimpl_bs_sm_1,
+	bs_notimpl_bs_sm_2,
+	bs_notimpl_bs_sm_4,
+	bs_notimpl_bs_sm_8,
+
+	/* set region */
+	bs_notimpl_bs_sr_1,
+	bs_notimpl_bs_sr_2,
+	bs_notimpl_bs_sr_4,
+	bs_notimpl_bs_sr_8,
+
+	/* copy */
+	bs_notimpl_bs_c_1,
+	bs_notimpl_bs_c_2,
+	bs_notimpl_bs_c_4,
+	bs_notimpl_bs_c_8,
+};
+
+/* bus space functions */
+
+int
+fcomcons_bs_map(t, bpa, size, cacheable, bshp)
+	void *t;
+	bus_addr_t bpa;
+	bus_size_t size;
+	int cacheable;
+	bus_space_handle_t *bshp;
+{
+	/*
+	 * Temporary implementation as all I/O is already mapped etc.
+	 *
+	 * Eventually this function will do the mapping check for multiple maps
+	 */
+	*bshp = bpa;
+	return(0);
+	}
+
+int
+fcomcons_bs_alloc(t, rstart, rend, size, alignment, boundary, cacheable,
+    bpap, bshp)
+	void *t;
+	bus_addr_t rstart, rend;
+	bus_size_t size, alignment, boundary;
+	int cacheable;
+	bus_addr_t *bpap;
+	bus_space_handle_t *bshp;
+{
+	panic("fcomcons_alloc(): Help!");
+}
+
+
+void
+fcomcons_bs_unmap(t, bsh, size)
+	void *t;
+	bus_space_handle_t bsh;
+	bus_size_t size;
+{
+	/*
+	 * Temporary implementation
+	 */
+}
+
+void    
+fcomcons_bs_free(t, bsh, size)
+	void *t;
+	bus_space_handle_t bsh;
+	bus_size_t size;
+{
+
+	panic("fcomcons_free(): Help!");
+	/* fcomcons_unmap() does all that we need to do. */
+/*	fcomcons_unmap(t, bsh, size);*/
+}
+
+int
+fcomcons_bs_subregion(t, bsh, offset, size, nbshp)
+	void *t;
+	bus_space_handle_t bsh;
+	bus_size_t offset, size;
+	bus_space_handle_t *nbshp;
+{
+
+	*nbshp = bsh + offset;
+	return (0);
+}
+
+void
+fcomcons_bs_barrier(t, bsh, offset, len, flags)
+	void *t;
+	bus_space_handle_t bsh;
+	bus_size_t offset, len;
+	int flags;
+{
+}	
+
+/* End of footbridge_com_io.c */