[Meego-kernel] APB Timer Module
MeForMeego Meego
my.meego.acc at gmail.com
Sun Jan 16 21:57:36 PST 2011
Hi Arjan,
Just to clarify, are you referring to the h/w timer module that has been set
as the clocksource. I am looking forward to use the rest of the 8 timer
channels from the external timer for my dedicated application usage.
Regards,
Tom
On Mon, Jan 17, 2011 at 11:23 AM, MeForMeego Meego
<my.meego.acc at gmail.com>wrote:
> Thanks Arjan for the quick response,
>
> I am looking for a timer with resolution as low as 16us. Would a normal
> userspace timer interface be able to provide this? So, was wondering how to
> decouple and use this apb timer from the normal jiffies/tick timer?
>
> Regards,
> Tom
>
>
> On Mon, Jan 17, 2011 at 11:12 AM, Arjan van de Ven <arjan at linux.intel.com>wrote:
>
>> On 1/16/2011 9:23 PM, MeForMeego Meego wrote:
>>
>>> Hi,
>>>
>>> Are there any kernel modules available to access the APB timer through
>>> device files. I noticed the initialization code for timers in
>>> arch/x86/kernel/apb_timer.c for mrst platform.
>>> The init functions in this file are invoked on my dev: board, as seen
>>> from mgs in log files, but I can't find any /dev files to access these
>>> timers.
>>>
>>
>>
>> the hardware timers are exposed as regular Linux timers... there is no
>> private/special API for them... just use the normal Linux APIs for userspace
>> timers.....
>>
>>
>
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