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* Add cpufreq support on the PowerPC G5, along with a skeleton SMU drivernwhitehorn2009-06-231-0/+333
| | | | | in order to slew CPU voltage during frequency changes. The OpenBSD SMU driver was an extremely helpful reference for this.
* Introduce support for cpufreq on PowerPC with the dynamic frequencynwhitehorn2009-05-311-0/+230
switching capabilities of the MPC7447A and MPC7448.
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