On 29/03/17 15:56, Mike Leach wrote:
[...] > > No - EDPRCR_COREPURQ and EDPRCR_CORENPDRQ have different semantics and > purposes > > EDPRCR_COREPURQ is in the debug power domain an is tied to an external > debug request that should be an input to the external (to the PE) > system power controller. > The requirement is that the system power controller powers up the core > domain and does not power it down while it remains asserted. > > EDPRCR_CORENPDRQ is in the core power domain and thus to the specific > core only. This ensures that any power control software running on > that core should emulate a power down if this is set to one. > > We cannot know the power control design of the system, so the safe > solution is to set both bits. > +1 I agree that's the safe bet. -- Regards, Sudeep
