linux-kernel - [PATCH v3 0/3] Add smp booting support for Qualcomm ARMv8 SoCs

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Message-Id: <1429041520-6720-1-git-send-email-galak@codeaurora.org>
Date:	Tue, 14 Apr 2015 14:58:37 -0500
From:	Kumar Gala <galak@...eaurora.org>
To:	linux-arm-msm@...r.kernel.org
Cc:	Kumar Gala <galak@...eaurora.org>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	arm@...nel.org, devicetree@...r.kernel.org,
	catalin.marinas@....com, will.deacon@....com,
	abhimany@...eaurora.org, mark.rutland@....com, arnd@...db.de
Subject: [PATCH v3 0/3] Add smp booting support for Qualcomm ARMv8 SoCs

This patch set adds support for SMP boot on the MSM8x16 family of Qualcomm SoCs.

To support SMP on the MSM8x16 SoCs we need to add ARMv8/64-bit SCM interfaces to
setup the boot/release addresses for the secondary CPUs.  In addition we need
a uniquie set of cpu ops.  I'm aware the desired methods for booting secondary
CPUs is either via spintable or PSCI.  However, these SoCs are shipping with a
firmware that does not support those methods.

TODO:
* clean up docs related to 'qcom,arm-cortex-acc' and L2

v3:
* dropped use of pen, just release CPUs directly into secondary_start

v2:
* Dropped introduction and use of CPU_METHOD_OF_DECLARE
* Moved qcom cpu ops from drivers/soc/qcom to arch/arm64/kernel
* Renamed msm to qcom in cpu ops code, minor cleans (remove dead defines/code)

- k

-- 
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
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