new file mode 100644
--- /dev/null
+++ b/packages/devs/serial/powerpc/mpc555/current/src/mpc555_serial.h
@@ -0,0 +1,154 @@
+#ifndef CYGONCE_DEVS_SERIAL_POWERPC_MPC555_SERIAL_H
+#define CYGONCE_DEVS_SERIAL_POWERPC_MPC555_SERIAL_H
+//==========================================================================
+//
+//      mpc555_serial.h
+//
+//      PowerPC 5xx MPC555 Serial I/O definitions.
+//
+//==========================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+//
+// 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.
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):   Bob Koninckx
+// Contributors:
+// Date:        2002-04-25
+// Purpose:     MPC555 Serial I/O definitions.
+// Description: 
+//
+//   
+//####DESCRIPTIONEND####
+//==========================================================================
+
+//----------------------------------
+// Includes and forward declarations
+//----------------------------------
+
+//----------------------
+// Constants definitions
+//----------------------
+// Base addresses for the two serial ports
+#define MPC555_SERIAL_BASE_A          0x305008
+#define MPC555_SERIAL_BASE_B          0x305020
+
+// The offset from the base for all serial registers
+#define MPC555_SERIAL_SCCxR0          0
+#define MPC555_SERIAL_SCCxR1          2
+#define MPC555_SERIAL_SCxSR           4
+#define MPC555_SERIAL_SCxDR           6
+
+// The bits in the serial registers
+#define MPC555_SERIAL_SCCxR0_OTHR     0x8000
+#define MPC555_SERIAL_SCCxR0_LINKBD   0x4000
+#define MPC555_SERIAL_SCCxR0_SCxBR    0x1fff
+
+#define MPC555_SERIAL_SCCxR1_LOOPS    0x4000
+#define MPC555_SERIAL_SCCxR1_WOMS     0x2000
+#define MPC555_SERIAL_SCCxR1_ILT      0x1000
+#define MPC555_SERIAL_SCCxR1_PT       0x0800
+#define MPC555_SERIAL_SCCxR1_PE       0x0400
+#define MPC555_SERIAL_SCCxR1_M        0x0200
+#define MPC555_SERIAL_SCCxR1_WAKE     0x0100
+#define MPC555_SERIAL_SCCxR1_TIE      0x0080
+#define MPC555_SERIAL_SCCxR1_TCIE     0x0040
+#define MPC555_SERIAL_SCCxR1_RIE      0x0020
+#define MPC555_SERIAL_SCCxR1_ILIE     0x0010
+#define MPC555_SERIAL_SCCxR1_TE       0x0008
+#define MPC555_SERIAL_SCCxR1_RE       0x0004
+#define MPC555_SERIAL_SCCxR1_RWU      0x0002
+#define MPC555_SERIAL_SCCxR1_SBK      0x0001
+
+#define MPC555_SERIAL_SCxSR_TDRE      0x0100
+#define MPC555_SERIAL_SCxSR_TC        0x0080
+#define MPC555_SERIAL_SCxSR_RDRF      0x0040
+#define MPC555_SERIAL_SCxSR_RAF       0x0020
+#define MPC555_SERIAL_SCxSR_IDLE      0x0010
+#define MPC555_SERIAL_SCxSR_OR        0x0008
+#define MPC555_SERIAL_SCxSR_NF        0x0004
+#define MPC555_SERIAL_SCxSR_FE        0x0002
+#define MPC555_SERIAL_SCxSR_PF        0x0001
+
+// The available baud rates
+// These are calculated for a busclock of 40 MHz
+// It is not necessary to let the compiler calculate these
+// values, we did not provide clockfrequency as a configuarion
+// option anyway.
+static unsigned short select_baud[] = {
+    0,        // Unused
+    0,        // 50     bps unsupported
+    0,        // 75     bps unsupported
+    0,        // 110    bps unsupported
+    0,        // 134_5  bps unsupported
+    0,        // 150    bps unsupported
+    0,        // 200    bps unsupported
+    4167,     // 300    bps
+    2083,     // 600    bps
+    1042,     // 1200   bps
+    0,        // 1800   bps unsupported
+    521,      // 2400   bps
+    0,        // 3600   bps unsupported
+    260,      // 4800   bps
+    0,        // 7200   bps unsupported
+    130,      // 9600   bps
+    87,       // 14400  bps
+    65,       // 19200  bps
+    33,       // 38400  bps
+    22,       // 57600  bps
+    11,       // 115200 bps
+    0         // 230400 bps unsupported
+};
+
+static unsigned char select_word_length[] = {
+    0,        // 5 bits / word (char) not supported
+    0,        // 6 bits / word (char) not supported
+    7,        // 7 bits / word (char) ->> 7 bits per frame
+    8         // 8 bits / word (char) ->> 8 bits per frame
+};
+
+static unsigned char select_stop_bits[] = {
+    0,
+    1,        // 1 stop bit ->> 1 bit per frame
+    0,        // 1.5 stop bit not supported
+    2         // 2 stop bits ->> 2 bits per frame 
+};
+
+static unsigned char select_parity[] = {
+    0,        // No parity ->> 0 bits per frame
+    1,        // Even parity ->> 1 bit per frame
+    1,        // Odd parityv ->> 1 bit per frame
+    0,        // Mark parity not supported
+    0,        // Space parity not supported
+};
+
+#endif // CYGONCE_DEVS_SERIAL_POWERPC_MPC555_SERIAL_H
+
+// EOF mpc555_serial.h