ubuntu@rk3066dev:~$ cat /proc/cpuinfo
Processor   : ARMv7 Processor rev 0 (v7l)
processor   : 0
BogoMIPS    : 2399.21

processor   : 1
BogoMIPS    : 2399.21

Features    : swp half thumb fastmult vfp edsp neon vfpv3
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x3
CPU part    : 0xc09
CPU revision    : 0

Hardware    : RK30board
Revision    : 0000
Serial      : 0000000000000000

ubuntu@rk3066dev:~$ cpufreq-info
cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009
Report errors and bugs to cpufreq@vger.kernel.org, please.
analyzing CPU 0:
  driver: rk30
  CPUs which run at the same hardware frequency: 0 1
  CPUs which need to have their frequency coordinated by software: 0 1
  maximum transition latency: 40.0 us.
  hardware limits: 252 MHz - 1.61 GHz
  available frequency steps: 252 MHz, 504 MHz, 816 MHz, 1.01 GHz, 1.20 GHz, 1.27 GHz, 1.42 GHz, 1.51 GHz, 1.61 GHz
  available cpufreq governors: powersave, ondemand, hotplug, userspace, interactive, performance
  current policy: frequency should be within 252 MHz and 1.61 GHz.
                  The governor "ondemand" may decide which speed to use
                  within this range.
  current CPU frequency is 252 MHz.
  cpufreq stats: 252 MHz:79.31%, 504 MHz:3.10%, 816 MHz:2.73%, 1.01 GHz:8.05%, 1.20 GHz:6.81%, 1.27 GHz:0.00%, 1.42 GHz:0.00%, 1.51 GHz:0.00%, 1.61 GHz:0.00%  (46831)
analyzing CPU 1:
  driver: rk30
  CPUs which run at the same hardware frequency: 0 1
  CPUs which need to have their frequency coordinated by software: 0 1
  maximum transition latency: 40.0 us.
  hardware limits: 252 MHz - 1.61 GHz
  available frequency steps: 252 MHz, 504 MHz, 816 MHz, 1.01 GHz, 1.20 GHz, 1.27 GHz, 1.42 GHz, 1.51 GHz, 1.61 GHz
  available cpufreq governors: powersave, ondemand, hotplug, userspace, interactive, performance
  current policy: frequency should be within 252 MHz and 1.61 GHz.
                  The governor "ondemand" may decide which speed to use
                  within this range.
  current CPU frequency is 252 MHz.
  cpufreq stats: 252 MHz:79.31%, 504 MHz:3.10%, 816 MHz:2.73%, 1.01 GHz:8.05%, 1.20 GHz:6.81%, 1.27 GHz:0.00%, 1.42 GHz:0.00%, 1.51 GHz:0.00%, 1.61 GHz:0.00%  (46831)


ubuntu@rk3066dev:~$ sudo cat /sys/devices/system/cpu/*/cpufreq/cpuinfo_cur_freq
252000
252000

ubuntu@rk3066dev:~$ cat  /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
ondemand

ubuntu@rk3066dev:~$ cat /sys/devices/system/cpu/*/cpufreq/scaling_available_frequencies
252000 504000 816000 1008000 1200000 1272000 1416000 1512000 1608000
252000 504000 816000 1008000 1200000 1272000 1416000 1512000 1608000