README.watchdog 1.3 KB
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Watchdog driver general info

	This enables hw_watchdog_reset to be called during various loops,
	including waiting for a character on a serial port. But it
	does not also call hw_watchdog_init. Boards which want this
	enabled must call this function in their board file. This split
	is useful because some rom's enable the watchdog when downloading
	new code, so it must be serviced, but the board would rather it
	was off. And, it cannot always be turned off once on.

	Can be used to change the timeout for i.mx31/35/5x/6x.
	If not given, will default to maximum timeout. This would
	be 128000 msec for i.mx31/35/5x/6x.

	Available for AT91SAM9 to service the watchdog.

	Available for FTWDT010 to service the watchdog.

	Can be used to change the timeout for FTWDT010.

	Available for i.mx31/35/5x/6x to service the watchdog. This is not
	automatically set because some boards (vision2) still need to define
	their own hw_watchdog_reset routine.
Simon Glass's avatar
Simon Glass committed
	TODO: vision2 is removed now, so perhaps this can be changed.
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	Available for Xilinx Axi platforms to service timebase watchdog timer.
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	Available for bf5xx and bf6xx to service the watchdog.