diff --git a/src/arch/arm64/Kconfig b/src/arch/arm64/Kconfig
index 2465bb1..16830bc 100644
--- a/src/arch/arm64/Kconfig
+++ b/src/arch/arm64/Kconfig
@@ -26,3 +26,9 @@
 	depends on ARCH_RAMSTAGE_ARM64
 
 source src/arch/arm64/armv8/Kconfig
+
+# If a custom bootblock is necessary, this option should be "select"-ed by
+# the thing that needs it, probably the CPU.
+config ARM64_BOOTBLOCK_CUSTOM
+	bool
+	default n