rk3568 rt uboot init

hc

2023-11-06 9df731a176aab8e03b984b681b1bea01ccff6644

 u-boot/drivers/cpu/amp.its
..
..
@@ -1,20 +1,22 @@
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 /*
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  * Copyright (C) 2021 Fuzhou Rockchip Electronics Co., Ltd
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+ *
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  * SPDX-License-Identifier: GPL-2.0
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  */
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 /dts-v1/;
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 / {
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-	description = "FIT source file for rockchip AMP";
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+	description = "Rockchip AMP FIT Image";
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 	#address-cells = <1>;
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 	images {
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+		/* ARM cortex-A core */
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 		amp1 {
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 			description  = "bare-mental-core1";
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 			data         = /incbin/("./amp1.bin");
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-			type         = "firmware";
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+			type         = "firmware";	// must be "firmware"
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 			compression  = "none";
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-			arch         = "arm";		// "arm64" or "arm"
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+			arch         = "arm";		// "arm64" or "arm", the same as U-Boot state
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 			cpu          = <0x100>;		// mpidr
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 			thumb        = <0>;		// 0: arm or thumb2; 1: thumb
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 			hyp          = <0>;		// 0: el1/svc; 1: el2/hyp
..
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@@ -56,6 +58,20 @@
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 				algo = "sha256";
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 			};
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 		};
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+
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+		/* Other core */
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+		amp4 {
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+			description  = "standalone-mcu1";
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+			data         = /incbin/("./mcu1.bin");
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+			type         = "standalone";	// must be "standalone"
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+			compression  = "none";
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+			arch         = "arm";		// "arm64" or "arm", the same as U-Boot state
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+			load         = <0x06800000>;
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+			udelay       = <1000000>;
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+			hash {
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+				algo = "sha256";
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+			};
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+		};
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 	};
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 	configurations {
..
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@@ -63,7 +79,7 @@
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 		conf {
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 			description = "Rockchip AMP images";
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 			rollback-index = <0x0>;
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-			loadables = "amp1", "amp2", "amp3";
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+			loadables = "amp1", "amp2", "amp3", "amp4";
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 			signature {
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 				algo = "sha256,rsa2048";