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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [devs/] [serial/] [powerpc/] [mpc555/] [current/] [src/] [mpc555_serial.h] - Blame information for rev 786

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1 786 skrzyp
#ifndef CYGONCE_DEVS_SERIAL_POWERPC_MPC555_SERIAL_H
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#define CYGONCE_DEVS_SERIAL_POWERPC_MPC555_SERIAL_H
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//==========================================================================
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//
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//      mpc555_serial.h
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//
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//      PowerPC 5xx MPC555 Serial I/O definitions.
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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 Free Software Foundation, 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      
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// version.                                                                 
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT      
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// ANY 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        
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// along with eCos; if not, write to the Free Software Foundation, Inc.,    
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// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
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//
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// As a special exception, if other files instantiate templates or use      
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// macros or inline functions from this file, or you compile this file      
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// and link it with other works to produce a work based on this file,       
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// this file does not by itself cause the resulting work to be covered by   
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// the GNU General Public License. However the source code for this file    
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// must still be made available in accordance with section (3) of the GNU   
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// General Public License v2.                                               
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//
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// This exception does not invalidate any other reasons why a work based    
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// on this file might be covered by the GNU General Public 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):   Bob Koninckx
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// Contributors:
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// Date:        2002-04-25
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// Purpose:     MPC555 Serial I/O definitions.
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// Description: 
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//
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//   
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//####DESCRIPTIONEND####
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//==========================================================================
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//----------------------------------
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// Includes and forward declarations
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//----------------------------------
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//----------------------
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// Constants definitions
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//----------------------
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// Base addresses for the two serial ports
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#define MPC555_SERIAL_BASE_A          0x305008
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#define MPC555_SERIAL_BASE_B          0x305020
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// The offset from the base for all serial registers
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#define MPC555_SERIAL_SCCxR0          0
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#define MPC555_SERIAL_SCCxR1          2
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#define MPC555_SERIAL_SCxSR           4
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#define MPC555_SERIAL_SCxDR           6
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// The bits in the serial registers
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#define MPC555_SERIAL_SCCxR0_OTHR     0x8000
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#define MPC555_SERIAL_SCCxR0_LINKBD   0x4000
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#define MPC555_SERIAL_SCCxR0_SCxBR    0x1fff
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#define MPC555_SERIAL_SCCxR1_LOOPS    0x4000
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#define MPC555_SERIAL_SCCxR1_WOMS     0x2000
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#define MPC555_SERIAL_SCCxR1_ILT      0x1000
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#define MPC555_SERIAL_SCCxR1_PT       0x0800
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#define MPC555_SERIAL_SCCxR1_PE       0x0400
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#define MPC555_SERIAL_SCCxR1_M        0x0200
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#define MPC555_SERIAL_SCCxR1_WAKE     0x0100
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#define MPC555_SERIAL_SCCxR1_TIE      0x0080
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#define MPC555_SERIAL_SCCxR1_TCIE     0x0040
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#define MPC555_SERIAL_SCCxR1_RIE      0x0020
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#define MPC555_SERIAL_SCCxR1_ILIE     0x0010
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#define MPC555_SERIAL_SCCxR1_TE       0x0008
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#define MPC555_SERIAL_SCCxR1_RE       0x0004
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#define MPC555_SERIAL_SCCxR1_RWU      0x0002
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#define MPC555_SERIAL_SCCxR1_SBK      0x0001
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#define MPC555_SERIAL_SCxSR_TDRE      0x0100
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#define MPC555_SERIAL_SCxSR_TC        0x0080
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#define MPC555_SERIAL_SCxSR_RDRF      0x0040
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#define MPC555_SERIAL_SCxSR_RAF       0x0020
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#define MPC555_SERIAL_SCxSR_IDLE      0x0010
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#define MPC555_SERIAL_SCxSR_OR        0x0008
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#define MPC555_SERIAL_SCxSR_NF        0x0004
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#define MPC555_SERIAL_SCxSR_FE        0x0002
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#define MPC555_SERIAL_SCxSR_PF        0x0001
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// The available baud rates
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// These are calculated for a busclock of 40 MHz
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// It is not necessary to let the compiler calculate these
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// values, we did not provide clockfrequency as a configuarion
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// option anyway.
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static unsigned short select_baud[] = {
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    0,        // Unused
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    0,        // 50     bps unsupported
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    0,        // 75     bps unsupported
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    0,        // 110    bps unsupported
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    0,        // 134_5  bps unsupported
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    0,        // 150    bps unsupported
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    0,        // 200    bps unsupported
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    4167,     // 300    bps
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    2083,     // 600    bps
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    1042,     // 1200   bps
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    0,        // 1800   bps unsupported
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    521,      // 2400   bps
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    0,        // 3600   bps unsupported
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    260,      // 4800   bps
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    0,        // 7200   bps unsupported
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    130,      // 9600   bps
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    87,       // 14400  bps
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    65,       // 19200  bps
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    33,       // 38400  bps
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    22,       // 57600  bps
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    11,       // 115200 bps
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};
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static unsigned char select_word_length[] = {
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    0,        // 5 bits / word (char) not supported
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    0,        // 6 bits / word (char) not supported
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    7,        // 7 bits / word (char) ->> 7 bits per frame
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    8         // 8 bits / word (char) ->> 8 bits per frame
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};
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static unsigned char select_stop_bits[] = {
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    0,
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    1,        // 1 stop bit ->> 1 bit per frame
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    0,        // 1.5 stop bit not supported
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    2         // 2 stop bits ->> 2 bits per frame 
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};
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static unsigned char select_parity[] = {
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    0,        // No parity ->> 0 bits per frame
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    1,        // Even parity ->> 1 bit per frame
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    1,        // Odd parityv ->> 1 bit per frame
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    0,        // Mark parity not supported
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    0,        // Space parity not supported
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};
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#endif // CYGONCE_DEVS_SERIAL_POWERPC_MPC555_SERIAL_H
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// EOF mpc555_serial.h

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