new file mode 100644
--- /dev/null
+++ b/packages/hal/powerpc/adder/current/include/plf_cache.h
@@ -0,0 +1,65 @@
+#ifndef CYGONCE_PLF_CACHE_H
+#define CYGONCE_PLF_CACHE_H
+
+//=============================================================================
+//
+//      plf_cache.h
+//
+//      Platform HAL cache details
+//
+//=============================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+// Copyright (C) 2002 Gary Thomas
+//
+// eCos is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 2 or (at your option) any later version.
+//
+// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+// for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+//
+// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
+// at http://sources.redhat.com/ecos/ecos-license/
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//=============================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):   jskov
+// Contributors:jskov
+// Date:        2000-01-26
+// Purpose:     Platform cache control API
+// Description: The macros defined here provide the platform specific
+//              cache control operations / behavior.
+// Usage:       Is included via the architecture cache header:
+//              #include <cyg/hal/hal_cache.h>
+//
+//####DESCRIPTIONEND####
+//
+//=============================================================================
+
+//---------------------------------------------------------------------------
+// Initial cache enabling - controlled by common CDL
+
+//-----------------------------------------------------------------------------
+#endif // ifndef CYGONCE_PLF_CACHE_H
+// End of plf_cache.h