From d6a6b81ebdfb7ce99f18323cbdff481bf2c7ac4f Mon Sep 17 00:00:00 2001
From: Qubot <1445788683@qq.com>
Date: Tue, 26 May 2026 17:35:50 +0800
Subject: [PATCH] sun60iw2: enable early uart0 console for bananapi m8

---
 arch/arm/dts/sun60i-a733-bananapi-m8.dts | 7 +++++++
 configs/bananapi_m8_defconfig            | 5 +++++
 2 files changed, 12 insertions(+)

diff --git a/arch/arm/dts/sun60i-a733-bananapi-m8.dts b/arch/arm/dts/sun60i-a733-bananapi-m8.dts
index 665fdbc8..eccc52db 100644
--- a/arch/arm/dts/sun60i-a733-bananapi-m8.dts
+++ b/arch/arm/dts/sun60i-a733-bananapi-m8.dts
@@ -17,6 +17,13 @@
 	compatible = "allwinner,a733", "arm,sun60iw2p1";
 	#address-cells = <2>;
 	#size-cells = <2>;
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
 
 	leds {
 		compatible = "gpio-leds";
diff --git a/configs/bananapi_m8_defconfig b/configs/bananapi_m8_defconfig
index b6745240..c6745cd8 100644
--- a/configs/bananapi_m8_defconfig
+++ b/configs/bananapi_m8_defconfig
@@ -10,6 +10,11 @@ CONFIG_R_I2C0_ENABLE=y
 CONFIG_USB0_VBUS_PIN="PL2"
 CONFIG_USB1_VBUS_PIN="PH12"
 CONFIG_DEFAULT_DEVICE_TREE="sun60i-a733-bananapi-m8"
+CONFIG_DEBUG_UART=y
+CONFIG_DEBUG_UART_NS16550=y
+CONFIG_DEBUG_UART_BASE=0x02500000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_DEBUG_UART_SHIFT=2
 # CONFIG_SYS_MALLOC_F is not set
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
 CONFIG_PHYS_64BIT=y