[U-Boot] Interrupt handler in U-Boot for MIPS based platform
Detlev Zundel
dzu at denx.de
Fri May 27 12:04:25 CEST 2011
Hi Pandu,
> Hi all,
>
> I was working on enabling the watchdog timer in the U-Boot for MIPS
> based platform. I set up the timer and watchdog. when the timer expires, I
> need to kick the watchdog until the user timeout period expires.
> I see that for ARM we have do_irq function which gets called when there is
> interrupt but I don't see any such mechanism for the MIPS.
>
> Has any one implemented it for MIPS based platform? If not, any hint to
> get it working.
Generally we kick the watchdog from various places in the code with
WATCHDOG_RESET(). This way we do not need any interrupts and you should
be seeing watchdog triggers immediately without adding anything more.
Just grep for occurrences of this macro.
Cheers
Detlev
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