Re: [PATCH v2 0/8] Raspberry Pi 2 support.

[Eric Anholt]

Arnd Bergmann <arnd@xxxxxxxx> writes:

> On Tuesday 22 December 2015, Alexander Aring wrote:
>> Later while booting the kernel hangs forever, the solution on my side
>> was to enable:
>> 
>> CONFIG_HAVE_ARM_ARCH_TIMER
>> 
>> I think this doesn't use the BCM2835 timer anymore and some cortex-a7
>> related "generic timer", or?
>
> Right, but I don't see how that relates to the irqchip. Is the BCM2835 timer
> connected to a secondary irqchip, while the arch timer connects to the primary GIC?

The 2835 timer is a "peripheral", and connects to the second level
irqchip, while the arm arch timer can give us per-cpu interrupts in the
first level controller.

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