Subversion Repositories openrisc_2011-10-31

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

//

//      devs/serial/mips/ref4955/src/mips_tx49_ref4955_ser.inl

//

//      REF4955 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

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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

// for more details.

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// You should have received a copy of the GNU General Public License along

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// 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

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//####ECOSGPLCOPYRIGHTEND####

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

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

//

// Author(s):   jskov

// Contributors:gthomas, jskov

// Date:        2000-05-24

// Purpose:     REF4955 Serial definitions

//####DESCRIPTIONEND####

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

#include 

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

// There are two serial ports.

#define CYG_DEVICE_SERIAL_SCC1    0xb40003f8 // port 1

#define CYG_DEVICE_SERIAL_SCC2    0xb40002f8 // port 2

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

// The REF4955 board has a 14.318 MHz crystal, but the PC87338 part

// uses a 24MHz internal clock for baud rate calculation.

#define BAUD_DIVISOR(_x_) 24000000/13/16/(_x_)

static unsigned short select_baud[] = {

    0,    // Unused

    0,    // 50

    0,    // 75

    0,    // 110

    0,    // 134.5

    0,    // 150

    0,    // 200

    0,    // 300

    0,    // 600

    BAUD_DIVISOR(1200),

    0,    // 1800

    BAUD_DIVISOR(2400),

    0,    // 3600

    BAUD_DIVISOR(4800),

    BAUD_DIVISOR(9600),

    BAUD_DIVISOR(14400),

    BAUD_DIVISOR(19200),

    BAUD_DIVISOR(38400),

    BAUD_DIVISOR(57600),

    BAUD_DIVISOR(115200),

    0,    // 230400

};

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

// Port 0 descriptors

#ifdef CYGPKG_IO_SERIAL_MIPS_REF4955_SERIAL0

static pc_serial_info pc_serial_info0 = {CYG_DEVICE_SERIAL_SCC1,

                                         CYGNUM_HAL_INTERRUPT_DEBUG_UART};

#if CYGNUM_IO_SERIAL_MIPS_REF4955_SERIAL0_BUFSIZE > 0

static unsigned char pc_serial_out_buf0[CYGNUM_IO_SERIAL_MIPS_REF4955_SERIAL0_BUFSIZE];

static unsigned char pc_serial_in_buf0[CYGNUM_IO_SERIAL_MIPS_REF4955_SERIAL0_BUFSIZE];

static SERIAL_CHANNEL_USING_INTERRUPTS(pc_serial_channel0,

                                       pc_serial_funs,

                                       pc_serial_info0,

                                       CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_MIPS_REF4955_SERIAL0_BAUD),

                                       CYG_SERIAL_STOP_DEFAULT,

                                       CYG_SERIAL_PARITY_DEFAULT,

                                       CYG_SERIAL_WORD_LENGTH_DEFAULT,

                                       CYG_SERIAL_FLAGS_DEFAULT,

                                       &pc_serial_out_buf0[0],

                                       sizeof(pc_serial_out_buf0),

                                       &pc_serial_in_buf0[0],

                                       sizeof(pc_serial_in_buf0)

    );

#else

static SERIAL_CHANNEL(pc_serial_channel0,

                      pc_serial_funs,

                      pc_serial_info0,

                      CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_MIPS_REF4955_SERIAL0_BAUD),

                      CYG_SERIAL_STOP_DEFAULT,

                      CYG_SERIAL_PARITY_DEFAULT,

                      CYG_SERIAL_WORD_LENGTH_DEFAULT,

                      CYG_SERIAL_FLAGS_DEFAULT

    );

#endif

DEVTAB_ENTRY(pc_serial_io0,

             CYGDAT_IO_SERIAL_MIPS_REF4955_SERIAL0_NAME,

             0,                 // Does not depend on a lower level interface

             &cyg_io_serial_devio,

             pc_serial_init,

             pc_serial_lookup,     // Serial driver may need initializing

             &pc_serial_channel0

    );

#endif

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

// Port 1 descriptors

#ifdef CYGPKG_IO_SERIAL_MIPS_REF4955_SERIAL1

static pc_serial_info pc_serial_info1 = {CYG_DEVICE_SERIAL_SCC2,

                                         CYGNUM_HAL_INTERRUPT_USER_UART};

#if CYGNUM_IO_SERIAL_MIPS_REF4955_SERIAL1_BUFSIZE > 0

static unsigned char pc_serial_out_buf1[CYGNUM_IO_SERIAL_MIPS_REF4955_SERIAL1_BUFSIZE];

static unsigned char pc_serial_in_buf1[CYGNUM_IO_SERIAL_MIPS_REF4955_SERIAL1_BUFSIZE];

static SERIAL_CHANNEL_USING_INTERRUPTS(pc_serial_channel1,

                                       pc_serial_funs,

                                       pc_serial_info1,

                                       CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_MIPS_REF4955_SERIAL1_BAUD),

                                       CYG_SERIAL_STOP_DEFAULT,

                                       CYG_SERIAL_PARITY_DEFAULT,

                                       CYG_SERIAL_WORD_LENGTH_DEFAULT,

                                       CYG_SERIAL_FLAGS_DEFAULT,

                                       &pc_serial_out_buf1[0],

                                       sizeof(pc_serial_out_buf1),

                                       &pc_serial_in_buf1[0],

                                       sizeof(pc_serial_in_buf1)

    );

#else

static SERIAL_CHANNEL(pc_serial_channel1,

                      pc_serial_funs,

                      pc_serial_info1,

                      CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_MIPS_REF4955_SERIAL1_BAUD),

                      CYG_SERIAL_STOP_DEFAULT,

                      CYG_SERIAL_PARITY_DEFAULT,

                      CYG_SERIAL_WORD_LENGTH_DEFAULT,

                      CYG_SERIAL_FLAGS_DEFAULT

    );

#endif

DEVTAB_ENTRY(pc_serial_io1,

             CYGDAT_IO_SERIAL_MIPS_REF4955_SERIAL1_NAME,

             0,                   // Does not depend on a lower level interface

             &cyg_io_serial_devio,

             pc_serial_init,

             pc_serial_lookup,     // Serial driver may need initializing

             &pc_serial_channel1

    );

#endif

// EOF mips_tx49_ref4955_ser.inl