can we kick watchdog when kernel bootstrap

[James Pu <james.s.pu@xxxxxxxxx>]

hi, we use a SOC(with a watchdog build in) shipped with a armv4 core in our
project. But we are afraid of the kernel panic(our product should work in
some difficult environment), so we add a extra watchdog chip. my question
is:
can we kick the dog when kernel bootstrap?
Thanks!
jpu
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