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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/arch/arc/boot/dts/haps_hs.dts
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@@ -1,9 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) 2016-2014 Synopsys, Inc. (www.synopsys.com)
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 /dts-v1/;
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@@ -12,13 +9,15 @@
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 / {
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 	model = "snps,zebu_hs";
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 	compatible = "snps,zebu_hs";
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-	#address-cells = <1>;
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-	#size-cells = <1>;
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+	#address-cells = <2>;
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+	#size-cells = <2>;
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 	interrupt-parent = <&core_intc>;
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15
 
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 	memory {
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 		device_type = "memory";
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-		reg = <0x80000000 0x20000000>;	/* 512 */
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+		/* CONFIG_LINUX_RAM_BASE needs to match low mem start */
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+		reg = <0x0 0x80000000 0x0 0x20000000	/* 512 MB low mem */
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+		       0x1 0x00000000 0x0 0x40000000>;	/* 1 GB highmem */
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 	};
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 	chosen {
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@@ -34,8 +33,9 @@
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 		#address-cells = <1>;
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 		#size-cells = <1>;
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-		/* child and parent address space 1:1 mapped */
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-		ranges;
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+		/* only perip space at end of low mem accessible
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+			  bus addr,  parent bus addr, size    */
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+		ranges = <0x80000000 0x0 0x80000000 0x80000000>;
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 		core_clk: core_clk {
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 			#clock-cells = <0>;
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@@ -50,7 +50,7 @@
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 		};
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 		uart0: serial@f0000000 {
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-			compatible = "ns8250";
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+			compatible = "ns16550a";
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 			reg = <0xf0000000 0x2000>;
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 			interrupts = <24>;
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 			clock-frequency = <50000000>;
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@@ -65,5 +65,35 @@
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 			#interrupt-cells = <1>;
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 			interrupts = <20>;
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 		};
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+
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+		virtio0: virtio@f0100000 {
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+			compatible = "virtio,mmio";
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+			reg = <0xf0100000 0x2000>;
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+			interrupts = <31>;
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+		};
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+
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+		virtio1: virtio@f0102000 {
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+			compatible = "virtio,mmio";
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+			reg = <0xf0102000 0x2000>;
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+			interrupts = <32>;
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+		};
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+
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+		virtio2: virtio@f0104000 {
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+			compatible = "virtio,mmio";
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+			reg = <0xf0104000 0x2000>;
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+			interrupts = <33>;
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+		};
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+
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+		virtio3: virtio@f0106000 {
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+			compatible = "virtio,mmio";
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+			reg = <0xf0106000 0x2000>;
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+			interrupts = <34>;
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+		};
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+
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+		virtio4: virtio@f0108000 {
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+			compatible = "virtio,mmio";
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+			reg = <0xf0108000 0x2000>;
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+			interrupts = <35>;
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+		};
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 	};
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 };