diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 949ebb4..0b72e4f 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -2126,6 +2126,7 @@
 
 config STATIC_MACH_TYPE
 	bool "Statically define the Machine ID number"
+	default y if TARGET_DS109 || TARGET_NOKIA_RX51 || TARGET_DS414 || DEFAULT_DEVICE_TREE = "sun7i-a20-icnova-swac"
 	help
 	  When booting via ATAGs, enable this option if we know the correct
 	  machine ID number to use at compile time.  Some systems will be
@@ -2134,6 +2135,10 @@
 config MACH_TYPE
 	int "Machine ID number"
 	depends on STATIC_MACH_TYPE
+	default 527 if TARGET_DS109
+	default 1955 if TARGET_NOKIA_RX51
+	default 3036 if TARGET_DS414
+	default 4283 if DEFAULT_DEVICE_TREE = "sun7i-a20-icnova-swac"
 	help
 	  When booting via ATAGs, the machine type must be passed as a number.
 	  For the full list see https://www.arm.linux.org.uk/developer/machines