diff --git a/include/asm-ia64/serial.h b/include/asm-ia64/serial.h
new file mode 100644
index 0000000..0c7a2f3
--- /dev/null
+++ b/include/asm-ia64/serial.h
@@ -0,0 +1,19 @@
+/*
+ * include/asm-ia64/serial.h
+ *
+ * Derived from the i386 version.
+ */
+
+/*
+ * This assumes you have a 1.8432 MHz clock for your UART.
+ *
+ * It'd be nice if someone built a serial card with a 24.576 MHz
+ * clock, since the 16550A is capable of handling a top speed of 1.5
+ * megabits/second; but this requires the faster clock.
+ */
+#define BASE_BAUD ( 1843200 / 16 )
+
+/*
+ * All legacy serial ports should be enumerated via ACPI namespace, so
+ * we need not list them here.
+ */