diff --git a/include/asm-arm/arch-omap/serial.h b/include/asm-arm/arch-omap/serial.h
new file mode 100644
index 0000000..79a5297
--- /dev/null
+++ b/include/asm-arm/arch-omap/serial.h
@@ -0,0 +1,37 @@
+/*
+ *  linux/include/asm-arm/arch-omap/serial.h
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __ASM_ARCH_SERIAL_H
+#define __ASM_ARCH_SERIAL_H
+
+#if defined(CONFIG_ARCH_OMAP1)
+/* OMAP1 serial ports */
+#define OMAP_UART1_BASE		0xfffb0000
+#define OMAP_UART2_BASE		0xfffb0800
+#define OMAP_UART3_BASE		0xfffb9800
+#elif defined(CONFIG_ARCH_OMAP2)
+/* OMAP2 serial ports */
+#define OMAP_UART1_BASE		0x4806a000
+#define OMAP_UART2_BASE		0x4806c000
+#define OMAP_UART3_BASE		0x4806e000
+#endif
+
+#define OMAP_MAX_NR_PORTS	3
+#define OMAP1510_BASE_BAUD	(12000000/16)
+#define OMAP16XX_BASE_BAUD	(48000000/16)
+
+#define is_omap_port(p)	({int __ret = 0;			\
+			if (p == IO_ADDRESS(OMAP_UART1_BASE) ||	\
+			    p == IO_ADDRESS(OMAP_UART2_BASE) ||	\
+			    p == IO_ADDRESS(OMAP_UART3_BASE))	\
+				__ret = 1;			\
+			__ret;					\
+			})
+
+#endif