Re: [linux-sunxi] [PATCH 02/11] arm64: allwinner: a64: add NMI controller on A64

From: Chen-Yu Tsai
Date: Wed Apr 05 2017 - 02:21:00 EST


On Wed, Apr 5, 2017 at 2:11 PM, Maxime Ripard
<maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote:
> On Wed, Apr 05, 2017 at 11:51:45AM +0800, Chen-Yu Tsai wrote:
>> On Wed, Apr 5, 2017 at 2:01 AM, Icenowy Zheng <icenowy@xxxxxxx> wrote:
>> > Allwinner A64 SoC features a NMI controller, which is usually connected
>> > to the AXP PMIC.
>> >
>> > Add support for it.
>> >
>> > Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx>
>>
>> This might not be the best representation of the R_INTC block. Though
>> we'd need to change it for all SoCs if we want to be accurate. For now,
>
> What do you think would be a good representation?

My gut feeling is that this is the old INTC from sun4/5i. It's supposed
to be the interrupt controller for the embedded low power core. I've not
done a thorough comparison though.

ChenYu