+Index: linux-2.6.21.1/drivers/serial/Makefile
+===================================================================
+--- linux-2.6.21.1.orig/drivers/serial/Makefile
++++ linux-2.6.21.1/drivers/serial/Makefile
+@@ -21,6 +21,7 @@ obj-$(CONFIG_SERIAL_8250_EXAR_ST16C554)
+ obj-$(CONFIG_SERIAL_8250_HUB6) += 8250_hub6.o
+ obj-$(CONFIG_SERIAL_8250_MCA) += 8250_mca.o
+ obj-$(CONFIG_SERIAL_8250_AU1X00) += 8250_au1x00.o
++obj-$(CONFIG_SERIAL_ADM5120) += adm5120_uart.o
+ obj-$(CONFIG_SERIAL_AMBA_PL010) += amba-pl010.o
+ obj-$(CONFIG_SERIAL_AMBA_PL011) += amba-pl011.o
+ obj-$(CONFIG_SERIAL_CLPS711X) += clps711x.o
+Index: linux-2.6.21.1/include/linux/serial_core.h
+===================================================================
+--- linux-2.6.21.1.orig/include/linux/serial_core.h
++++ linux-2.6.21.1/include/linux/serial_core.h
+@@ -135,6 +135,9 @@
+ /* Xilinx uartlite */
+ #define PORT_UARTLITE 74
+
++/* ADMtek ADM5120 SoC */
++#define PORT_ADM5120 68
++
+ #ifdef __KERNEL__
+
+ #include <linux/compiler.h>
+Index: linux-2.6.21.1/drivers/serial/Kconfig
+===================================================================
+--- linux-2.6.21.1.orig/drivers/serial/Kconfig
++++ linux-2.6.21.1/drivers/serial/Kconfig
+@@ -256,6 +256,22 @@ config SERIAL_8250_AU1X00
+