diff -Nur linux-4.9.20.orig/arch/h8300/Kconfig.cpu linux-4.9.20/arch/h8300/Kconfig.cpu
--- linux-4.9.20.orig/arch/h8300/Kconfig.cpu	2017-03-31 10:32:02.000000000 +0200
+++ linux-4.9.20/arch/h8300/Kconfig.cpu	2017-04-04 08:10:00.132205323 +0200
@@ -96,4 +96,8 @@
         hex "Load offset"
 	default 0
 
+config RAMBASE
+	hex "RAM base address"
+	default 0x400000
+
 endmenu