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/**
* @file
*
* Instantiate the clock driver shell.
*
* The TX3904 simulator in gdb counts instructions.
*/
/*
* COPYRIGHT (c) 1989-2012.
* 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>
#include <bsp/irq.h>
#include <bsp.h>
#define CLOCK_DRIVER_USE_FAST_IDLE 1
#define CLOCK_VECTOR TX3904_IRQ_TMR0
/*
* 5000 clicks per tick ISR is HIGHLY arbitrary
*/
#define CLICKS 5000
#define Clock_driver_support_install_isr( _new, _old ) \
do { \
rtems_interrupt_handler_install( \
CLOCK_VECTOR, \
"clock", \
0, \
_new, \
NULL \
); \
} while(0)
#define Clock_driver_support_initialize_hardware() \
do { \
uint32_t _clicks = CLICKS; \
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 uint32_t*) 0xFFFFC01C) = 0x00000700; \
} while(0)
#define Clock_driver_support_at_tick()
#define Clock_driver_support_shutdown_hardware()
#include "../../../shared/clockdrv_shell.h"
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