[Feature]Upload Modem source code

Change-Id: Id4294f30faced84d3e6fd6d5e61e1111bf287a37
diff --git a/mcu/interface/driver/sys_drv/mmu.h b/mcu/interface/driver/sys_drv/mmu.h
new file mode 100644
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--- /dev/null
+++ b/mcu/interface/driver/sys_drv/mmu.h
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+/*****************************************************************************
+*  Copyright Statement:
+*  --------------------
+*  This software is protected by Copyright and the information contained
+*  herein is confidential. The software may not be copied and the information
+*  contained herein may not be used or disclosed except with the written
+*  permission of MediaTek Inc. (C) 2001
+*
+*****************************************************************************/
+
+/*****************************************************************************
+ *
+ * Filename:
+ * ---------
+ *   mmu.h
+ *
+ * Project:
+ * --------
+ *   Device Test
+ *
+ * Description:
+ * ------------
+ *   Header file for MMU.
+ *
+ * Author:
+ * -------
+ * -------
+ *
+ *============================================================================
+ *             HISTORY
+ * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
+ *------------------------------------------------------------------------------
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+ *------------------------------------------------------------------------------
+ * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
+ *============================================================================
+ ****************************************************************************/
+
+#ifndef __MMU_H__
+#define __MMU_H__
+
+/* cacheable and bufferable */
+enum
+{
+    PAGE_NO_CACHE = 0x0,
+    PAGE_BUFFERABLE = 0x1,
+    PAGE_CACHEABLE = 0x1
+};
+
+#endif  /* __MMU_H__ */
+