diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f775a53f8f..b9fca6f548 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -4,6 +4,14 @@ menu "ARM architecture"
 config SYS_ARCH
 	default "arm"
 
+config SYS_THUMB_BUILD
+	bool "Build U-Boot using the Thumb instruction set"
+	help
+	   Use this flag to build U-Boot using the Thumb instruction set for
+	   ARM architectures. Thumb instruction set provides better code
+	   density. For ARM architectures that support Thumb2 this flag will
+	   result in Thumb2 code generated by GCC.
+
 config ARM64
 	bool
 
diff --git a/configs/ipq807x_tiny_defconfig b/configs/ipq807x_tiny_defconfig
index 9633b7fe97..becb277faf 100644
--- a/configs/ipq807x_tiny_defconfig
+++ b/configs/ipq807x_tiny_defconfig
@@ -314,3 +314,5 @@ CONFIG_SYS_HZ=1000
 # CONFIG_LZ4 is not set
 # CONFIG_ERRNO_STR is not set
 # CONFIG_UNIT_TEST is not set
+CONFIG_HAS_THUMB2=y
+CONFIG_SYS_THUMB_BUILD=y
\ No newline at end of file