linux-kernel - [PATCH 0/2] arm64: dts: hi3798cv200: fix GICR size, add cache info

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Message-Id: <20240218-cache-v1-0-2c0a8a4472e7@outlook.com>
Date: Sun, 18 Feb 2024 17:40:29 +0800
From: Yang Xiwen via B4 Relay <devnull+forbidden405.outlook.com@...nel.org>
To: Wei Xu <xuwei5@...ilicon.com>, Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Jiancheng Xue <xuejiancheng@...ilicon.com>, Alex Elder <elder@...aro.org>, 
 Peter Griffin <peter.griffin@...aro.org>
Cc: linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Yang Xiwen <forbidden405@...look.com>
Subject: [PATCH 0/2] arm64: dts: hi3798cv200: fix GICR size, add cache info

They are tested on a hi3798mv200 board in fact. Though the 2 SoCs are
highly similar and the CPU should be the same. Still, Tested-by are
welcomed.

The patchset fixes some warnings reported by the kernel during boot.

The cache size info is from Processor_Datasheet_v2XX.pdf [1], Section
2.2.1 Master Processor.

The cache line size and the set-associative info are from Cortex-A53
Documentation [2]. Dts for other SoCs are also a good reference.

>From the doc, we know L1 i-cache is 4-way assoc, L1 d-cache is 2-way
assoc and L2 cache is 16-way assoc. Fill the dts props accordingly.

Dear maintainers, maybe consider Cc to stable too?

[1]: https://github.com/96boards/documentation/blob/master/enterprise/poplar/hardware-docs/Processor_Datasheet_v2XX.pdf
[2]: https://developer.arm.com/documentation/ddi0500/j/Level-1-Memory-System

Signed-off-by: Yang Xiwen <forbidden405@...look.com>
---
Yang Xiwen (2):
      arm64: dts: hi3798cv200: Fix the size of GICR
      arm64: dts: hi3798cv200: add cache info

 arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi | 39 +++++++++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)
---
base-commit: 8d3dea210042f54b952b481838c1e7dfc4ec751d
change-id: 20240218-cache-11c8bf7566c2

Best regards,
-- 
Yang Xiwen <forbidden405@...look.com>