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
|
/*
* Instantiate the clock driver shell.
*
* Since there is no clock source on the simulator, all we do is
* make sure it will build.
*
* $Id$
*/
#include <rtems.h>
#include <libcpu/tx3904.h>
#define CLOCK_VECTOR TX3904_IRQ_TMR0
#define Clock_driver_support_at_tick()
/* XXX */
#define CLICKS 10000
#define Clock_driver_support_install_isr( _new, _old ) \
do { \
unsigned32 _clicks = CLICKS; \
_old = (rtems_isr_entry) set_vector( _new, CLOCK_VECTOR, 1 ); \
TX3904_TIMER_WRITE( TX3904_TIMER0_BASE, TX3904_TIMER_CCDR, 0x3 ); \
TX3904_TIMER_WRITE( TX3904_TIMER0_BASE, TX3904_TIMER_CPRA, _clicks ); \
TX3904_TIMER_WRITE( TX3904_TIMER0_BASE, TX3904_TIMER_TISR, 0x00 ); \
TX3904_TIMER_WRITE( TX3904_TIMER0_BASE, TX3904_TIMER_ITMR, 0x8001 ); \
TX3904_TIMER_WRITE( TX3904_TIMER0_BASE, TX3904_TIMER_TCR, 0xC0 ); \
*((volatile unsigned32 *) 0xFFFFC01C) = 0x00000700; \
} while(0)
#define Clock_driver_support_initialize_hardware()
#define Clock_driver_support_shutdown_hardware()
#include "../../../shared/clockdrv_shell.c"
|
