diff --git a/platform/generic/Kconfig b/platform/generic/Kconfig
index 25b8886b..b1808012 100644
--- a/platform/generic/Kconfig
+++ b/platform/generic/Kconfig
@@ -23,6 +23,11 @@ config PLATFORM_GENERIC_MINOR_VER
 	range 0 65535
 	default 1
 
+config PLATFORM_GENERIC_FDT_EMPTY_SPACE
+	int "Platform FDT empty space (KB)"
+	range 0 1024
+	default 4
+
 config PLATFORM_ALLWINNER_D1
 	bool "Allwinner D1 support"
 	depends on FDT_IRQCHIP_PLIC
diff --git a/platform/generic/platform.c b/platform/generic/platform.c
index e66f99fa..01fa03e0 100644
--- a/platform/generic/platform.c
+++ b/platform/generic/platform.c
@@ -245,7 +245,10 @@ int generic_final_init(bool cold_boot)
 	fdt_fixups(fdt);
 	fdt_domain_fixup(fdt);
 
+	/* Set the empty space in FDT based on kconfig option */
 	fdt_pack(fdt);
+	fdt_open_into(fdt, fdt, fdt_totalsize(fdt) +
+		      CONFIG_PLATFORM_GENERIC_FDT_EMPTY_SPACE * 1024);
 
 	return 0;
 }