Index: genarch/Makefile.inc
===================================================================
--- genarch/Makefile.inc	(revision c2942d83b18235be75cb5731c5d8e29708e6364e)
+++ genarch/Makefile.inc	(revision 7d53ef4494143ea6f3a781574dbddc99d2b181a4)
@@ -31,5 +31,6 @@
 ifeq ($(CONFIG_OFW),y)
 	GENARCH_SOURCES += \
-		genarch/src/ofw/ofw.c
+		genarch/src/ofw/ofw.c \
+		genarch/src/ofw/memory_init.c
 endif
 ifeq ($(CONFIG_ACPI),y)
Index: genarch/include/ofw/memory_init.h
===================================================================
--- genarch/include/ofw/memory_init.h	(revision 7d53ef4494143ea6f3a781574dbddc99d2b181a4)
+++ genarch/include/ofw/memory_init.h	(revision 7d53ef4494143ea6f3a781574dbddc99d2b181a4)
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2006 Jakub Jermar
+ * All rights reserved.
+ *
+ * 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.
+ * - 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 __OFW_MEMORY_INIT_H__
+#define __OFW_MEMORY_INIT_H__
+
+#include <typedefs.h>
+
+extern void ofw_init_memmap(void);
+extern size_t ofw_get_memory_size(void);
+extern void ofw_init_zones(void);
+
+#endif
Index: genarch/src/ofw/memory_init.c
===================================================================
--- genarch/src/ofw/memory_init.c	(revision 7d53ef4494143ea6f3a781574dbddc99d2b181a4)
+++ genarch/src/ofw/memory_init.c	(revision 7d53ef4494143ea6f3a781574dbddc99d2b181a4)
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2005 Martin Decky
+ * All rights reserved.
+ *
+ * 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.
+ * - 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.
+ */
+
+#include <genarch/ofw/memory_init.h>
+#include <genarch/ofw/ofw.h>
+#include <panic.h>
+#include <mm/frame.h>
+#include <align.h>
+#include <arch/types.h>
+#include <typedefs.h>
+
+#define MEMMAP_MAX_RECORDS 32
+
+typedef struct {
+	__address start;
+	size_t size;
+} memmap_t;
+
+static memmap_t memmap[MEMMAP_MAX_RECORDS];
+size_t total_mem = 0;
+
+void ofw_init_memmap(void)
+{
+	int i;
+	int ret;
+
+	phandle handle = ofw_find_device("/memory");
+	if (handle == -1)
+		panic("No RAM\n");
+	
+	ret = ofw_get_property(handle, "reg", &memmap, sizeof(memmap));
+	if (ret == -1)
+		panic("Device /memory has no reg property\n");
+	
+	
+	for (i = 0; i < MEMMAP_MAX_RECORDS; i++) {
+		if (memmap[i].size == 0)
+			break;
+		total_mem += memmap[i].size;
+	}
+}
+
+size_t ofw_get_memory_size(void) 
+{
+	return total_mem;
+}
+
+void ofw_init_zones(void)
+{
+	int i;
+	pfn_t confdata;
+
+	for (i = 0; i < MEMMAP_MAX_RECORDS; i++) {
+		if (memmap[i].size == 0)
+			break;
+		confdata = ADDR2PFN(memmap[i].start);
+		if (confdata == 0)
+			confdata = 2;
+		zone_create(ADDR2PFN(memmap[i].start),
+			    SIZE2FRAMES(ALIGN_DOWN(memmap[i].size,PAGE_SIZE)),
+			    confdata, 0);
+	}
+}