diff --git a/arch/sh/include/asm/cpu_sh4.h b/arch/sh/include/asm/cpu_sh4.h
index 4351e8edff..f1f49fe7fa 100644
--- a/arch/sh/include/asm/cpu_sh4.h
+++ b/arch/sh/include/asm/cpu_sh4.h
@@ -46,6 +46,8 @@
 # include <asm/cpu_sh7723.h>
 #elif defined (CONFIG_CPU_SH7724)
 # include <asm/cpu_sh7724.h>
+#elif defined (CONFIG_CPU_SH7734)
+# include <asm/cpu_sh7734.h>
 #elif defined (CONFIG_CPU_SH7757)
 # include <asm/cpu_sh7757.h>
 #elif defined (CONFIG_CPU_SH7763)
diff --git a/arch/sh/include/asm/cpu_sh7734.h b/arch/sh/include/asm/cpu_sh7734.h
new file mode 100644
index 0000000000..e3becc971e
--- /dev/null
+++ b/arch/sh/include/asm/cpu_sh7734.h
@@ -0,0 +1,43 @@
+/*
+ * (C) Copyright 2008, 2011 Renesas Solutions Corp.
+ *
+ * SH7734 Internal I/O register
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _ASM_CPU_SH7734_H_
+#define _ASM_CPU_SH7734_H_
+
+#define CCR 0xFF00001C
+
+#define CACHE_OC_NUM_WAYS	4
+#define CCR_CACHE_INIT	0x0000090d
+
+/* SCIF */
+#define SCIF0_BASE  0xFFE40000
+#define SCIF1_BASE  0xFFE41000
+#define SCIF2_BASE  0xFFE42000
+#define SCIF3_BASE  0xFFE43000
+#define SCIF4_BASE  0xFFE44000
+#define SCIF5_BASE  0xFFE45000
+
+/* Timer */
+#define TSTR	0xFFD80004
+#define TCNT0	0xFFD8000C
+#define TCR0	0xFFD80010
+
+#endif /* _ASM_CPU_SH7734_H_ */
diff --git a/drivers/serial/serial_sh.h b/drivers/serial/serial_sh.h
index 0b3e779c8e..de3e10267e 100644
--- a/drivers/serial/serial_sh.h
+++ b/drivers/serial/serial_sh.h
@@ -112,6 +112,15 @@ struct uart_port {
 # define SCSCR_INIT(port) ((port)->type == PORT_SCIFA ? \
 	0x30 /* TIE=0,RIE=0,TE=1,RE=1 */ : \
 	0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */)
+#elif defined(CONFIG_CPU_SH7734)
+# define SCSPTR0 0xFFE40020
+# define SCSPTR1 0xFFE41020
+# define SCSPTR2 0xFFE42020
+# define SCSPTR3 0xFFE43020
+# define SCSPTR4 0xFFE44020
+# define SCSPTR5 0xFFE45020
+# define SCIF_ORER 0x0001  /* overrun error bit */
+# define SCSCR_INIT(port) 0x0038  /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
 #elif defined(CONFIG_CPU_SH4_202)
 # define SCSPTR2 0xffe80020 /* 16 bit SCIF */
 # define SCIF_ORER 0x0001   /* overrun error bit */
@@ -216,6 +225,7 @@ struct uart_port {
 	defined(CONFIG_CPU_SH7091)  || \
 	defined(CONFIG_CPU_SH7750R) || \
 	defined(CONFIG_CPU_SH7722)  || \
+	defined(CONFIG_CPU_SH7734)  || \
 	defined(CONFIG_CPU_SH7750S) || \
 	defined(CONFIG_CPU_SH7751)  || \
 	defined(CONFIG_CPU_SH7751R) || \