Messages in this thread | ![/](/images/icornerl.gif) | | From | Eric Anholt <> | Subject | Re: [PATCH v2 0/8] Raspberry Pi 2 support. | Date | Thu, 24 Dec 2015 16:01:40 -0800 |
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Arnd Bergmann <arnd@arndb.de> 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. [unhandled content-type:application/pgp-signature] | ![\](/images/icornerr.gif) |