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Adds WATCHDOG_RESET() function call to lib_m68k dtimer_interrupt. 

Ported from lib_ppc/interrupts.c, this adds the ability for
the coldfire system timer to auto-reset the watchdog when
dtimer_interrupts is called.

Signed-off-by: Richard Retanubun <RichardRetanubun@RuggedCom.com>
This commit is contained in:
Richard Retanubun 2009-03-20 15:30:10 -04:00 committed by Wolfgang Denk
parent a24d96e40e
commit 42a83765d5
1 changed files with 12 additions and 1 deletions
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13
lib_m68k/time.c
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@ -27,10 +27,15 @@
#include <asm/timer.h>
#include <asm/immap.h>
#include <watchdog.h>
DECLARE_GLOBAL_DATA_PTR;
static ulong timestamp;
static volatile ulong timestamp = 0;
#ifndef CONFIG_SYS_WATCHDOG_FREQ
#define CONFIG_SYS_WATCHDOG_FREQ (CONFIG_SYS_HZ / 2)
#endif
#if defined(CONFIG_MCFTMR)
#ifndef CONFIG_SYS_UDELAY_BASE
@ -76,6 +81,12 @@ void dtimer_interrupt(void *not_used)
if ((CONFIG_SYS_TMRPND_REG & CONFIG_SYS_TMRINTR_MASK) == CONFIG_SYS_TMRINTR_PEND) {
timerp->ter = (DTIM_DTER_CAP | DTIM_DTER_REF);
timestamp++;
#if defined(CONFIG_WATCHDOG) || defined (CONFIG_HW_WATCHDOG)
if ((timestamp % (CONFIG_SYS_WATCHDOG_FREQ)) == 0) {
WATCHDOG_RESET ();
}
#endif /* CONFIG_WATCHDOG || CONFIG_HW_WATCHDOG */
return;
}
}