Re: [PATCH v7 13/17] ARM64 / ACPI: Add GICv2 specific ACPI boot support

From: Mark Langsdorf
Date: Thu Jan 15 2015 - 13:51:35 EST


On 01/14/2015 09:05 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.

Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@xxxxxxx>
Tested-by: Yijing Wang <wangyijing@xxxxxxxxxx>
Signed-off-by: Tomasz Nowicki <tomasz.nowicki@xxxxxxxxxx>
Signed-off-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
---
Tested-by: Mark Langsdorf <mlangsdo@xxxxxxxxxx>

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