[U-Boot] [RFC] ARM timing code refactoring

[Wolfgang Denk]

Dear Albert ARIBAUD,

In message <4D3D2942.4060600 at free.fr> you wrote:
> 
> That is assuming a 64-bit timebase, isn't it? for CPUs / SoCs that don't >
> have such a timebase but only a 32-bit timer, the bogo_ms/jiffy would >
> not go through the full 32-bit range, which would cause issues with the >
> timing loops on rollover -- and while a timeout of more than 65 sec may >
> not be too likely, a timeout starting near the wraparound value of >
> bogo_ms still could happen.

Sorry, but I don't get it.  What exactly is the problem with a 32 bit
counter, and why would it not go through the full 32-bit range?

Best regards,

Wolfgang Denk

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