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//==========================================================================
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//
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// io/serial/i386/pc/i386_pc_ser.inl
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//
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// i386 PC Serial I/O Interface Module (interrupt driven)
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// for use with 8250s or 16550s.
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//
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//==========================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): jlarmour
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// Contributors:
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// Date: 2001-06-08
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// Purpose: PC Serial I/O module (interrupt driven version)
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// Description:
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//
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//####DESCRIPTIONEND####
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//
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//==========================================================================
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#include
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//-----------------------------------------------------------------------------
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// Baud rate specification, based on raw 24MHz clock
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static unsigned short select_baud[] = {
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0, // Unused
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2304, // 50
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1536, // 75
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1047, // 110
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857, // 134.5
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768, // 150
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576, // 200
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384, // 300
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192, // 600
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96, // 1200
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64, // 1800
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48, // 2400
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32, // 3600
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24, // 4800
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16, // 7200
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12, // 9600
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8, // 14400
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6, // 19200
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3, // 38400
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2, // 57600
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1, // 115200
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0, // 230400
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};
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#ifdef CYGPKG_IO_SERIAL_I386_PC_SERIAL0
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static pc_serial_info pc_serial_info0 = {CYGNUM_IO_SERIAL_I386_PC_SERIAL0_IOBASE,
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CYGNUM_IO_SERIAL_I386_PC_SERIAL0_INT};
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#if CYGNUM_IO_SERIAL_I386_PC_SERIAL0_BUFSIZE > 0
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static unsigned char pc_serial_out_buf0[CYGNUM_IO_SERIAL_I386_PC_SERIAL0_BUFSIZE];
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static unsigned char pc_serial_in_buf0[CYGNUM_IO_SERIAL_I386_PC_SERIAL0_BUFSIZE];
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static SERIAL_CHANNEL_USING_INTERRUPTS(pc_serial_channel0,
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pc_serial_funs,
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pc_serial_info0,
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CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_I386_PC_SERIAL0_BAUD),
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CYG_SERIAL_STOP_DEFAULT,
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CYG_SERIAL_PARITY_DEFAULT,
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CYG_SERIAL_WORD_LENGTH_DEFAULT,
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CYG_SERIAL_FLAGS_DEFAULT,
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&pc_serial_out_buf0[0], sizeof(pc_serial_out_buf0),
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&pc_serial_in_buf0[0], sizeof(pc_serial_in_buf0)
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);
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#else
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static SERIAL_CHANNEL(pc_serial_channel0,
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pc_serial_funs,
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pc_serial_info0,
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CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_I386_PC_SERIAL0_BAUD),
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CYG_SERIAL_STOP_DEFAULT,
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CYG_SERIAL_PARITY_DEFAULT,
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CYG_SERIAL_WORD_LENGTH_DEFAULT,
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CYG_SERIAL_FLAGS_DEFAULT
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);
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#endif
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DEVTAB_ENTRY(pc_serial_io0,
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CYGDAT_IO_SERIAL_I386_PC_SERIAL0_NAME,
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0, // Does not depend on a lower level interface
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&cyg_io_serial_devio,
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pc_serial_init,
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pc_serial_lookup, // Serial driver may need initializing
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&pc_serial_channel0
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);
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#endif // CYGPKG_IO_SERIAL_I386_PC_SERIAL0
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#ifdef CYGPKG_IO_SERIAL_I386_PC_SERIAL1
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static pc_serial_info pc_serial_info1 = {CYGNUM_IO_SERIAL_I386_PC_SERIAL1_IOBASE,
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CYGNUM_IO_SERIAL_I386_PC_SERIAL1_INT};
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#if CYGNUM_IO_SERIAL_I386_PC_SERIAL1_BUFSIZE > 0
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static unsigned char pc_serial_out_buf1[CYGNUM_IO_SERIAL_I386_PC_SERIAL1_BUFSIZE];
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static unsigned char pc_serial_in_buf1[CYGNUM_IO_SERIAL_I386_PC_SERIAL1_BUFSIZE];
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static SERIAL_CHANNEL_USING_INTERRUPTS(pc_serial_channel1,
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pc_serial_funs,
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pc_serial_info1,
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CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_I386_PC_SERIAL1_BAUD),
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CYG_SERIAL_STOP_DEFAULT,
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CYG_SERIAL_PARITY_DEFAULT,
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CYG_SERIAL_WORD_LENGTH_DEFAULT,
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CYG_SERIAL_FLAGS_DEFAULT,
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&pc_serial_out_buf1[0], sizeof(pc_serial_out_buf1),
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&pc_serial_in_buf1[0], sizeof(pc_serial_in_buf1)
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);
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#else
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static SERIAL_CHANNEL(pc_serial_channel1,
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pc_serial_funs,
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pc_serial_info1,
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CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_I386_PC_SERIAL1_BAUD),
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CYG_SERIAL_STOP_DEFAULT,
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CYG_SERIAL_PARITY_DEFAULT,
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CYG_SERIAL_WORD_LENGTH_DEFAULT,
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CYG_SERIAL_FLAGS_DEFAULT
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);
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#endif
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DEVTAB_ENTRY(pc_serial_io1,
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CYGDAT_IO_SERIAL_I386_PC_SERIAL1_NAME,
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0, // Does not depend on a lower level interface
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&cyg_io_serial_devio,
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pc_serial_init,
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pc_serial_lookup, // Serial driver may need initializing
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&pc_serial_channel1
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);
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#endif // CYGPKG_IO_SERIAL_I386_PC_SERIAL1
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// EOF i386_pc_ser.inl
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