blob: 5baba149bbbeebe5c947a26c600fe1f54f29e50e (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/*
* 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 */
|
