diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 53eae8953e..1e931a0eb0 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -696,6 +696,8 @@ config ARCH_SUNXI
 	select USB_STORAGE if DISTRO_DEFAULTS
 	select USB_KEYBOARD if DISTRO_DEFAULTS
 	select USE_TINY_PRINTF
+	imply AUTOBOOT_KEYED
+	imply AUTOBOOT_KEYED_CTRLC
 	imply CMD_GPT
 	imply FAT_WRITE
 	imply PRE_CONSOLE_BUFFER
diff --git a/cmd/Kconfig b/cmd/Kconfig
index d6d130edfa..46ed3a9d76 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -51,7 +51,7 @@ config AUTOBOOT_KEYED
 config AUTOBOOT_PROMPT
 	string "Autoboot stop prompt"
 	depends on AUTOBOOT_KEYED
-	default "Autoboot in %d seconds\\n"
+	default "Autoboot in %d seconds, press <Space> to stop\\n"
 	help
 	  This string is displayed before the boot delay selected by
 	  CONFIG_BOOTDELAY starts. If it is not defined	there is no
@@ -84,6 +84,7 @@ config AUTOBOOT_DELAY_STR
 config AUTOBOOT_STOP_STR
 	string "Stop autobooting via specific input key / string"
 	depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION
+	default " "
 	help
 	  This option enables stopping (aborting) of the automatic
 	  boot feature only by issuing a specific input key or
