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< # Copyright (c) 2012 ARM Limited
---
> # Copyright (c) 2012, 2015-2016 ARM Limited
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> # Enumerate set of allowed power states that can be used by a clocked object.
> # The list is kept generic to express a base minimal set.
> # State definition :-
> # Undefined: Invalid state, no power state derived information is available.
> # On: The logic block is actively running and consuming dynamic and leakage
> # energy depending on the amount of processing required.
> # Clk_gated: The clock circuity within the block is gated to save dynamic
> # energy, the power supply to the block is still on and leakage
> # energy is being consumed by the block.
> # Sram_retention: The SRAMs within the logic blocks are pulled into retention
> # state to reduce leakage energy further.
> # Off: The logic block is power gated and is not consuming any energy.
> class PwrState(Enum): vals = ['UNDEFINED',
> 'ON',
> 'CLK_GATED',
> 'SRAM_RETENTION',
> 'OFF']
>
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>
> # Provide initial power state, should ideally get redefined in startup
> # routine
> default_p_state = Param.PwrState("UNDEFINED", "Default Power State")
>
> p_state_clk_gate_min = Param.Latency('1ns',"Min value of the distribution")
> p_state_clk_gate_max = Param.Latency('1s',"Max value of the distribution")
> p_state_clk_gate_bins = Param.Unsigned('20',
> "# bins in clk gated distribution")