Re: [PATCH v4 14/18] ARM64 / ACPI: Add GICv2 specific ACPI boot support

[Jon Masters]

On 09/12/2014 10:00 AM, Hanjun Guo wrote:
> From: Tomasz Nowicki <tomasz.nowicki@xxxxxxxxxx>
> 
> ACPI kernel uses MADT table for proper GIC initialization. It needs to
> parse GIC related subtables, collect CPU interface and distributor
> addresses and call driver initialization function (which is hardware
> abstraction agnostic). In a similar way, FDT initialize GICv1/2.
> 
> NOTE: This commit allow to initialize GICv1/2 basic functionality.
> GICv2 vitalization extension, GICv3/4 and ITS are considered as next
> steps.

Aside: A request to specifically update the flags in ACPI to indicate
GICv3/v4 systems has been filed for a future spec revision.

Jon.


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/