PCR_SPEED_MASK     38 drivers/cpufreq/maple-cpufreq.c #define PCR_SPEED_MASK		0x000e0000U	/* speed mask */
PCR_SPEED_MASK     44 drivers/cpufreq/pmac64-cpufreq.c #define PCR_SPEED_MASK		0x000e0000U	/* speed mask */