diff --git a/arch/arm/mach-zynq/Kconfig b/arch/arm/mach-zynq/Kconfig
index a1175ee..44e16af 100644
--- a/arch/arm/mach-zynq/Kconfig
+++ b/arch/arm/mach-zynq/Kconfig
@@ -44,4 +44,11 @@
 config SYS_MALLOC_F_LEN
 	default 0x600
 
+config BOOT_INIT_FILE
+	string "boot.bin init register filename"
+	default ""
+	help
+	  Add register writes to boot.bin format (max 256 pairs).
+	  Expect a table of register-value pairs, e.g. "0x12345678 0x4321"
+
 endif