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/*
* This file contains the console driver chip level routines for the
* mc68681 chip.
*
* COPYRIGHT (c) 1989-1997.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#include <rtems.h>
#include <bsp.h>
#define CALCULATE_REGISTER_ADDRESS( _base, _reg ) \
(unsigned8 *)((_base) + ((_reg) * 8 ))
/*
* Read_mc68681_register
*/
unsigned8 Read_mc68681_register(
unsigned32 ulCtrlPort,
unsigned8 ucRegNum
)
{
unsigned8 *port;
port = CALCULATE_REGISTER_ADDRESS( ulCtrlPort, ucRegNum );
return *port;
}
/*
* Write_mc68681_register
*/
void Write_mc68681_register(
unsigned32 ulCtrlPort,
unsigned8 ucRegNum,
unsigned8 ucData
)
{
unsigned8 *port;
port = CALCULATE_REGISTER_ADDRESS( ulCtrlPort, ucRegNum );
*port = ucData;
}
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