diff -drupN a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
--- a/arch/arm/Kconfig.debug	2018-08-06 17:23:04.000000000 +0300
+++ b/arch/arm/Kconfig.debug	2022-06-12 05:28:14.000000000 +0300
@@ -1020,6 +1020,14 @@ choice
 		  Say Y here if you want kernel low-level debugging support
 		  on Allwinner A1X based platforms on the UART1.
 
+	config DEBUG_SUNXI_UART2
+		bool "Kernel low-level debugging messages via sunXi UART2"
+		depends on ARCH_SUNXI
+		select DEBUG_UART_8250
+		help
+		  Say Y here if you want kernel low-level debugging support
+		  on Allwinner A1X based platforms on the UART2.
+
 	config DEBUG_SUNXI_R_UART
 		bool "Kernel low-level debugging messages via sunXi R_UART"
 		depends on MACH_SUN6I || MACH_SUN8I
@@ -1450,6 +1458,7 @@ config DEBUG_UART_PHYS
 	default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0
 	default 0x01c28000 if DEBUG_SUNXI_UART0
 	default 0x01c28400 if DEBUG_SUNXI_UART1
+	default 0x01c28800 if DEBUG_SUNXI_UART2
 	default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1
 	default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2
 	default 0x01f02800 if DEBUG_SUNXI_R_UART
@@ -1723,6 +1732,14 @@ config EARLY_PRINTK
 	  kernel low-level debugging functions. Add earlyprintk to your
 	  kernel parameters to enable this console.
 
+config EARLY_PRINTK_DIRECT
+	bool "Early printk direct"
+	depends on DEBUG_LL
+	help
+	  Say Y here if you want to have an early console using the
+	  kernel low-level debugging functions and EARLY_PRINTK is
+	  not early enough.
+
 config ARM_KPROBES_TEST
 	tristate "Kprobes test module"
 	depends on KPROBES && MODULES
@@ -1749,6 +1766,11 @@ config DEBUG_SET_MODULE_RONX
 	  against certain classes of kernel exploits.
 	  If in doubt, say "N".
 
+config SUNXI_DUMP
+	bool "sunxi_dump help to dump all dram area for crash tool"
+	depends on ARCH_SUN8I
+
+
 source "drivers/hwtracing/coresight/Kconfig"
 
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