mx27 running too slow

[Fabio Estevam]

On Wed, Apr 2, 2014 at 7:38 PM, Fabio Estevam <festevam at gmail.com> wrote:
> On Wed, Apr 2, 2014 at 7:32 PM, Fabio Estevam <festevam at gmail.com> wrote:
>> Hi Alexander,
>>
>> What is the BogoMIPs value you get on mx27 running 3.14?
>>
>> I am running Shawn's for-next branch and it is terribly slow on a mx27pdk:
>>
>> sched_clock: 32 bits at 13MHz, resolution 75ns, wraps every 322929872820ns
>> CPU identified as i.MX27, silicon rev 2.1
>> Console: colour dummy device 80x30
>> Calibrating delay loop (skipped), value calculated using timer
>> frequency.. 26.60 BogoMIPS (lpj=133000)
>>
>> ARM9 running at 400MHz should give around 200 BogoMIPs.
>
> Nevermind. On a clean 3.14 kernel I get the expected value:
>
> Calibrating delay loop... 199.06 BogoMIPS (lpj=995328)
>
> So this behaviour shows up only on Shawn's branch.

Now I am running linux-next 20140408 and I am also getting the very
slow BogoMIPS:

Calibrating delay loop (skipped), value calculated using timer
frequency.. 26.60 BogoMIPS (lpj=133000)

Alexander,

Do you see the same on Phytec mx27 board?

Regards,

Fabio Estevam