diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index 2e26016a91a57116b9956973a19bb4aba723fc04..f8966bb25f9d9c05bdf0d30bd7f15ac8fb7e8d5b 100644
--- a/arch/arm/kernel/devtree.c
+++ b/arch/arm/kernel/devtree.c
@@ -213,6 +213,8 @@ const struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys)
 
 #if defined(CONFIG_ARCH_MULTIPLATFORM) || defined(CONFIG_ARM_SINGLE_ARMV7M)
 	DT_MACHINE_START(GENERIC_DT, "Generic DT based system")
+		.l2c_aux_val = 0x0,
+		.l2c_aux_mask = ~0x0,
 	MACHINE_END
 
 	mdesc_best = &__mach_desc_GENERIC_DT;