diff --git a/src/include/sys/cache.h b/src/include/sys/cache.h
new file mode 100644
index 0000000000..c141fa41dd
--- /dev/null
+++ b/src/include/sys/cache.h
@@ -0,0 +1,19 @@
+/*
+ * $HEADER$
+ */
+
+/** @file
+ *
+ *  Define the cache caracteristics of the platform
+ *  
+ */
+
+#ifndef CACHE
+#define CACHE 1
+
+/* size of cache line  - for now hardwire this to a reasonable
+ * value, and automate later - RLG */
+#define CACHE_LINE_SIZE 128
+
+
+#endif /* CACHE */