linux-kernel - [PATCH] arch/arm64/boot/dts/marvell: add optee FW definitions

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Date:   Wed, 9 Nov 2022 16:30:54 +0200
From:   <kostap@...vell.com>
To:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Stefan Chulski <stefanc@...vell.com>,
        Nadav Haklai <nadavh@...vell.com>,
        Konstantin Porotchkin <kostap@...vell.com>,
        Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...tlin.com>,
        "Sebastian Hesselbarth" <sebastian.hesselbarth@...il.com>
Subject: [PATCH] arch/arm64/boot/dts/marvell: add optee FW definitions

From: Konstantin Porotchkin <kostap@...vell.com>

Add reserved memory and ARM firmware definitions for optee
memory region in Marvell Armada SoCs to avoid protected memory
access.

Signed-off-by: Konstantin Porotchkin <kostap@...vell.com>
Cc: Andrew Lunn <andrew@...n.ch>
Cc: Gregory Clement <gregory.clement@...tlin.com>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
---
 arch/arm64/boot/dts/marvell/armada-37xx.dtsi  | 11 +++++++++++
 arch/arm64/boot/dts/marvell/armada-ap80x.dtsi | 13 +++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
index df152c72276b..c7a5a25826ea 100644
--- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
@@ -35,6 +35,11 @@ psci-area@...0000 {
 			reg = <0 0x4000000 0 0x200000>;
 			no-map;
 		};
+
+		tee@...0000 {
+			reg = <0 0x4400000 0 0x1000000>;
+			no-map;
+		};
 	};
 
 	cpus {
@@ -531,5 +536,11 @@ armada-3700-rwtm {
 			mboxes = <&rwtm 0>;
 			status = "okay";
 		};
+
+		optee {
+			compatible = "linaro,optee-tz";
+			method = "smc";
+			status = "okay";
+		 };
 	};
 };
diff --git a/arch/arm64/boot/dts/marvell/armada-ap80x.dtsi b/arch/arm64/boot/dts/marvell/armada-ap80x.dtsi
index a06a0a889c43..abf373b39463 100644
--- a/arch/arm64/boot/dts/marvell/armada-ap80x.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-ap80x.dtsi
@@ -41,6 +41,11 @@ psci-area@...0000 {
 			reg = <0x0 0x4000000 0x0 0x200000>;
 			no-map;
 		};
+
+		tee@...0000 {
+			reg = <0 0x4400000 0 0x1000000>;
+			no-map;
+		};
 	};
 
 	AP_NAME {
@@ -461,4 +466,12 @@ map3_emerg: map3-emerg {
 			};
 		};
 	};
+
+	firmware {
+		optee {
+			compatible = "linaro,optee-tz";
+			method = "smc";
+			status = "okay";
+		 };
+	};
 };
-- 
2.25.1