diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index b0f3857b3a4c647714a4d748726524e20f01bd4c..9d75ec26ae5235d95dc47ef1d5c2eba9237f24dc 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -338,6 +338,17 @@ choice
 		  The uncompressor code port configuration is now handled
 		  by CONFIG_S3C_LOWLEVEL_UART_PORT.
 
+	config DEBUG_S3C_UART3
+		depends on PLAT_SAMSUNG && ARCH_EXYNOS
+		bool "Use S3C UART 3 for low-level debug"
+		help
+		  Say Y here if you want the debug print routines to direct
+		  their output to UART 3. The port must have been initialised
+		  by the boot-loader before use.
+
+		  The uncompressor code port configuration is now handled
+		  by CONFIG_S3C_LOWLEVEL_UART_PORT.
+
 	config DEBUG_SOCFPGA_UART
 		depends on ARCH_SOCFPGA
 		bool "Use SOCFPGA UART for low-level debug"
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 59401e1cc530a5e6501905c29168b2ec20cb14fd..d342ed095c02cae820bc9f56aacbee4c617ed7d9 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -502,5 +502,6 @@ config DEBUG_S3C_UART
 	default "0" if DEBUG_S3C_UART0
 	default "1" if DEBUG_S3C_UART1
 	default "2" if DEBUG_S3C_UART2
+	default "3" if DEBUG_S3C_UART3
 
 endif