1 files changed, 116 insertions, 0 deletions
diff --git a/rtemsbsd/sys/powerpc/fman_muram.c b/rtemsbsd/sys/powerpc/fman_muram.c
new file mode 100644
index 00000000..c4a8e8de
--- /dev/null
+++ b/rtemsbsd/sys/powerpc/fman_muram.c
@@ -0,0 +1,116 @@
+#include <machine/rtems-bsd-kernel-space.h>
+#include <rtems/bsd/local/opt_dpaa.h>
+
+/*
+ * Copyright 2008-2015 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Freescale Semiconductor nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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.
+ */
+
+#include "../../../linux/drivers/net/ethernet/freescale/fman/fman_muram.h"
+
+#include <sys/lock.h>
+#include <sys/mutex.h>
+
+#include <stdlib.h>
+#include <rtems/score/heapimpl.h>
+
+#define	MURAM_LOCK(x) (mtx_lock(&(x)->mtx))
+
+#define	MURAM_UNLOCK(x) (mtx_unlock(&(x)->mtx))
+
+struct muram_info {
+	struct mtx mtx;
+	Heap_Control heap;
+	unsigned long base;
+};
+
+static unsigned long
+fman_muram_vbase_to_offset(struct muram_info *muram, unsigned long addr)
+{
+
+	return (addr - muram->base);
+}
+
+struct muram_info *fman_muram_init(phys_addr_t base, size_t size)
+{
+	struct muram_info *muram;
+	uintptr_t s;
+
+	muram = malloc(sizeof(*muram));
+	if (muram == NULL)
+		return (NULL);
+
+	muram->base = (unsigned long)base;
+	memset((void *)muram->base, 0xab, size);
+
+	s = _Heap_Initialize(&muram->heap, (void *)(uintptr_t)base, size, 64);
+	if (s == 0) {
+		free(muram);
+		return (NULL);
+	}
+
+	mtx_init(&muram->mtx, "FMan MURAM", NULL, MTX_DEF);
+
+	return (muram);
+}
+
+unsigned long
+fman_muram_offset_to_vbase(struct muram_info *muram, unsigned long offset)
+{
+
+	return (offset + muram->base);
+}
+
+int
+fman_muram_alloc(struct muram_info *muram, size_t size)
+{
+	void *p;
+
+	MURAM_LOCK(muram);
+	p = _Heap_Allocate(&muram->heap, size);
+	MURAM_UNLOCK(muram);
+
+	if (p == NULL)
+		return -ENOMEM;
+
+	memset(p, 0, size);
+
+	return (fman_muram_vbase_to_offset(muram, (unsigned long)p));
+}
+
+void
+fman_muram_free_mem(struct muram_info *muram, unsigned long offset, size_t size)
+{
+	void *p = (void *)fman_muram_offset_to_vbase(muram, offset);
+
+	MURAM_LOCK(muram);
+	_Heap_Free(&muram->heap, p);
+	MURAM_UNLOCK(muram);
+}