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/*
* C4X IO Information
*
* $Id$
*/
#ifndef __C4XIO_h
#define __C4XIO_h
/*
* The following section of C4x timer code is based on C40 specific
* timer code from Ran Cabell <rcabell@norfolk.infi.net>. The
* only C3x/C4x difference spotted was the address of the timer.
* The names have been changed to be more RTEMS like.
*/
struct c4x_timer {
volatile int tcontrol;
volatile int r1[3];
volatile int tcounter;
volatile int r2[3];
volatile int tperiod;
};
#ifdef _TMS320C40
#define C4X_TIMER_0 ((struct c4x_timer*)0x100020)
#else
#define C4X_TIMER_0 ((struct c4x_timer*)0x808020)
#define C4X_TIMER_1 ((struct c4x_timer*)0x808030)
#endif
#define c4x_timer_start( _timer ) \
_timer->tcontrol=0x02c1
#define c4x_timer_stop( _timer ) _timer->tcontrol = 0
#define c4x_timer_get_counter( _timer ) (volatile int)(_timer->tcounter)
#define c4x_timer_set_counter( _timer, _value ) \
do { \
(volatile int)(_timer->tcounter) = _value; \
} while (0);
#define c4x_timer_get_period( _timer ) (volatile int)(_timer->tperiod)
#define c4x_timer_set_period( _timer, _value ) \
do { \
(volatile int)(_timer->tperiod) = _value; \
} while (0);
#endif
/* end if include file */
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