Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

This parameter allows the user to set the link (interface) power management.
There are 3 possible options:

Value                   Effect
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min_power               Tell the controller to try to make the link use the
                        least possible power when possible.  This may
                        sacrifice some performance due to increased latency
                        when coming out of lower power states.

max_performance         Generally, this means no power management.  Tell
                        the controller to have performance be a priority
                        over power management.

medium_power            Tell the controller to enter a lower power state
                        when possible, but do not enter the lowest power
                        state, thus improving latency over min_power setting.