kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts
..
..
@@ -43,14 +43,14 @@
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 		cpu@0 {
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 			device_type = "cpu";
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-			compatible = "arm,cortex-a53", "arm,armv8";
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+			compatible = "arm,cortex-a53";
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 			reg = <0 0>;
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 			next-level-cache = <&L2_0>;
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 		};
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 		cpu@1 {
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 			device_type = "cpu";
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-			compatible = "arm,cortex-a53", "arm,armv8";
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+			compatible = "arm,cortex-a53";
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 			reg = <0 1>;
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 			next-level-cache = <&L2_0>;
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 		};
..
..
@@ -63,6 +63,20 @@
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 	memory@80000000 {
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 		device_type = "memory";
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 		reg = <0 0x80000000 0 0x80000000>; /* 2GB @ 2GB */
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+	};
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+
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+	reserved-memory {
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+		#address-cells = <2>;
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+		#size-cells = <2>;
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+		ranges;
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+
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+		/* Chipselect 2 is physically at 0x18000000 */
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+		vram: vram@18000000 {
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+			/* 8 MB of designated video RAM */
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+			compatible = "shared-dma-pool";
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+			reg = <0 0x18000000 0 0x00800000>;
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+			no-map;
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+		};
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 	};
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 	gic: interrupt-controller@2c001000 {
..
..
@@ -130,7 +144,7 @@
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 		};
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 	};
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-	smb: smb@8000000 {
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+	smb: bus@8000000 {
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 		compatible = "simple-bus";
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 		#address-cells = <2>;