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| author | Richard Retanubun <RichardRetanubun@RuggedCom.com> | 2009-03-20 15:30:10 -0400 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-06-12 20:45:46 +0200 |
| commit | 42a83765d54f042b4079e05a3438789542429981 (patch) | |
| tree | f1c95f1cb7d5db00a302449aae2e5b199d81e3d4 /lib_m68k/time.c | |
| parent | a24d96e40e1ca66dde6e6c158e7ecffafc5a2199 (diff) | |
| download | u-boot-imx-42a83765d54f042b4079e05a3438789542429981.zip u-boot-imx-42a83765d54f042b4079e05a3438789542429981.tar.gz u-boot-imx-42a83765d54f042b4079e05a3438789542429981.tar.bz2 | |
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>
Diffstat (limited to 'lib_m68k/time.c')
| -rw-r--r-- | lib_m68k/time.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/lib_m68k/time.c b/lib_m68k/time.c index 697d67e..29269f6 100644 --- a/lib_m68k/time.c +++ b/lib_m68k/time.c @@ -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; } } |