[U-Boot] [PATCH] mx7_common: initialize generic timer on all CPU's

Stefano Babic sbabic at denx.de
Thu Jul 28 12:49:17 CEST 2016


On 26/07/2016 19:35, Stefan Agner wrote:
> Hi Max,
> 
> On 2016-07-26 02:31, Max Krummenacher wrote:
>> Hi Stefan
>>
>>> From: Stefan Agner [mailto:stefan at agner.ch]
>>> Sent: Dienstag, 26. Juli 2016 07:58
>>>
>>> Use CONFIG_TIMER_CLK_FREQ to let the non-secure init code initialize the
>>> generic timer on all CPU's. This allows to make use of the timer freuquency
>>> register also on other CPU than the start CPU which is important for KVM.
>> [Krummenacher Max] 
>> Could you elaborate on the 'other CPUs'? The SMP companions Cortex A7
>> or the Cortex M4.
> 
> This is only for the primary A-Class CPU complex. The generic timer is
> only available there.
> 
>> And what exactly is KVM here?
> 
> Kernel-based Virtual Machine, the Linux integrated hypervisor. The
> Cortex-A7 support ARM's virtualization extensions which allow to make
> use of KVM...
> 


Applied to u-boot-imx, thanks !

Best regards,
Stefano Babic

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