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注册时间： 2024-03-08

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T113-S3主线U-BOOT（2025.07）无法正常启动

这是我的设备树，就基于mango-pi修改了uart3

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
// Copyright (C) 2022 Arm Ltd.

#include <dt-bindings/interrupt-controller/irq.h>

/dts-v1/;

#include "sun8i-t113s.dtsi"
#include "sunxi-d1s-t113-mangopi-mq-r.dtsi"

/ {
	model = "REVB-t113";
	compatible = "Steven,REVB-t113", "allwinner,sun8i-t113s";

	aliases {
		ethernet0 = &rtl8189ftv;
		serial3 = &uart3;
	};

	chosen {
		stdout-path = "serial3:115200n8";
	};
};

&cpu0 {
	cpu-supply = <&reg_vcc_core>;
};

&cpu1 {
	cpu-supply = <&reg_vcc_core>;
};

&mmc1 {
	rtl8189ftv: wifi@1 {
		reg = <1>;
		interrupt-parent = <&pio>;
		interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 = WL_WAKE_AP */
		interrupt-names = "host-wake";
	};
};

&pio {
	uart3_pg_pins: uart3-pg-pins {
		pins = "PG8", "PG9";
		function = "uart3";
	};
};

&uart3 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart3_pg_pins>;
	status = "okay";
};

通过sunxi-fel写入spl后，uart3正常输出，DRAM也识别正确，但是之后就没有输出了，如下：