Re: [PATCH V3] arm64: amd-seattle: Adding device tree for AMD Seattle platform

From: Suthikulpanit, Suravee
Date: Fri Nov 21 2014 - 09:40:26 EST




On 11/21/14, 19:57, "Marc Zyngier" <marc.zyngier@xxxxxxx> wrote:

>>+ gic: interrupt-controller@e1101000 {
>>+ compatible = "arm,gic-400", "arm,cortex-a15-gic";
>>+ interrupt-controller;
>>+ #interrupt-cells = <3>;
>>+ #address-cells = <2>;
>>+ #size-cells = <2>;
>>+ reg = <0x0 0xe1110000 0 0x1000>,
>>+ <0x0 0xe112f000 0 0x2000>,
>>+ <0x0 0xe1140000 0 0x10000>,
>>+ <0x0 0xe1160000 0 0x10000>;
>>+ interrupts = <1 8 0xf04>;
>
>Are you sure about this one? ARM systems usually have this wired on PPI9
>(interrupt 25)...
>
>Thanks,
>
> M.

I think you might be right. GIC-400 TRM says that this is should be 25,
and used
for virtual maintenance interrupts. How can I verify this in Linux? KVM?

Thanks,

Suravee

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