Subversion Repositories openrisc_2011-10-31

#ifndef CYGONCE_DEVS_SERIAL_POWERPC_CME555_SERIAL_H

#define CYGONCE_DEVS_SERIAL_POWERPC_CME555_SERIAL_H

//==========================================================================

//

//      cme555_serial.h

//

//      PowerPC 5xx CME555 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.

//

// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.

// at http://sources.redhat.com/ecos/ecos-license/

// -------------------------------------------

//####ECOSGPLCOPYRIGHTEND####

//==========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):   Bob Koninckx

// Contributors:

// Date:        2002-04-25

// Purpose:     CME555 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

};

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_CME555_SERIAL_H

// EOF cme555_serial.h