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AM335xBZOZA100 如何设置主频,内核没有cpufreq!

Other Parts Discussed in Thread: TPS65217

1、开发板是购买的,CPU丝印上支持1GHz主频的,目前开机启动时显示测试性能为

[root@/]#cat /proc/cpuinfo
processor : 0
model name : ARMv7 Processor rev 2 (v7l)
BogoMIPS : 996.14
Features : half thumb fastmult vfp edsp thumbee neon vfpv3 tls vfpd32
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x3
CPU part : 0xc08
CPU revision : 2

Hardware : Generic AM33XX (Flattened Device Tree)
Revision : 0000
Serial : 0000000000000000

这里的BogoMIPS : 996.14只是运算性能吧,和实际的性能相比如何?

2、我再内核里配置相应的cpu power manager,无法使用cpufreq,也无法读取当前的主频,我需要将主频设置到1GHz,我该怎么做?