[PATCH] watchdog: mpc8xx_wdt: Allow selection of watchdog mode through environment

[Tom Rini]

On Wed, Feb 19, 2020 at 04:50:15PM +0000, Christophe Leroy wrote:

> From: Charles Frey <charles.frey at c-s.fr>
> 
> The mpc8xx watchdog can work either in 'reset mode' or 'NMI mode'.
> The selection can be done at startup only.
> It is desirable to select the mode without rebuilding U-boot.
> It is also desirable to disable the watchdog without rebuilding.
> 
> At watchdog startup, check environment variable 'watchdog_mode'.
> If it is 'off', the watchdog is not started. If it is 'nmi',
> the watchdog is started in NMI mode. Otherwise, it is started
> in reset mode which is the default mode.
> 
> Signed-off-by: Charles Frey <charles.frey at c-s.fr>
> Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>

Applied to u-boot/master, thanks!

-- 
Tom
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