linux-kernel - [PATCH 2/3] arm64: dts: qcom: sm8250: Add support for LLCC block

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Date:   Fri, 27 Nov 2020 17:41:26 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     agross@...nel.org, bjorn.andersson@...aro.org, robh+dt@...nel.org
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH 2/3] arm64: dts: qcom: sm8250: Add support for LLCC block

Add support for Last Level Cache Controller (LLCC) in SM8250 SoC.
This LLCC is used to provide common cache memory pool for the cores in
the SM8250 SoC thereby minimizing the percore caches.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm8250.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
index 65acd1f381eb..118b6bb29ebc 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -1758,6 +1758,12 @@ usb_1_dwc3: dwc3@...0000 {
 			};
 		};
 
+		system-cache-controller@...0000 {
+			compatible = "qcom,sm8250-llcc";
+			reg = <0 0x09200000 0 0x1d0000>, <0 0x09600000 0 0x50000>;
+			reg-names = "llcc_base", "llcc_broadcast_base";
+		};
+
 		usb_2: usb@...8800 {
 			compatible = "qcom,sm8250-dwc3", "qcom,dwc3";
 			reg = <0 0x0a8f8800 0 0x400>;
-- 
2.25.1