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/*
* This file contains a typical set of register access routines which may be
* used with the mg5uart chip if accesses to the chip are as follows:
*
* + registers are accessed as uint32_t 's
* + registers are only u32-aligned (no address gaps)
*
* COPYRIGHT (c) 1989-2001.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#include <rtems.h>
#ifndef _MG5UART_MULTIPLIER
#define _MG5UART_MULTIPLIER 1
#define _MG5UART_NAME(_X) _X
#define _MG5UART_TYPE uint32_t
#endif
#define CALCULATE_REGISTER_ADDRESS( _base, _reg ) \
(_MG5UART_TYPE *)((_base) + ((_reg) * _MG5UART_MULTIPLIER ))
/*
* MG5UART Get Register Routine
*/
uint8_t _MG5UART_NAME(mg5uart_get_register)(
uint32_t ulCtrlPort,
uint8_t ucRegNum
)
{
_MG5UART_TYPE *port;
port = CALCULATE_REGISTER_ADDRESS( ulCtrlPort, ucRegNum );
return *port;
}
/*
* MG5UART Set Register Routine
*/
void _MG5UART_NAME(mg5uart_set_register)(
uint32_t ulCtrlPort,
uint8_t ucRegNum,
uint8_t ucData
)
{
_MG5UART_TYPE *port;
port = CALCULATE_REGISTER_ADDRESS( ulCtrlPort, ucRegNum );
*port = ucData;
}
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