CONFIG_SERIAL_ACPI missing??

diff -Nur --exclude=RCS --exclude=CVS --exclude=SCCS --exclude=BitKeeper --exclude=ChangeSet linux-2.5-EXPORT/drivers/serial/Kconfig linux-2.5-preempt/drivers/serial/Kconfig
@@ -138,6 +138,23 @@
 	help
 	  ::: To be written :::
 
+config SERIAL_8250_ACPI
+       bool "Support for serial ports defined by the ACPI tables"
+       depends on SERIAL_8250 && IA64
+       help 
+         Legacy free machines may not have serial ports at the legacy
+	 COM1, COM2 etc addresses. Serial ports on such machines are
+	 described by the ACPI tables SPCR (Serial Port Console
+	 Redirection) table and DBGP (Debug Port) table. Say Y here if
+	 you want to include support for these serial ports.
+
+config SERIAL_8250_HCDP
+       bool "Support for serial ports defined by the EFI HCDP"
+       depends on SERIAL_8250 && IA64
+       help
+         ::: No help yet :::
+
+
 comment "Non-8250 serial port support"
 
 config SERIAL_8250_ACORN