diff --git a/arch/arm/include/asm/arch-exynos/cpu.h b/arch/arm/include/asm/arch-exynos/cpu.h
index b4ef03e8a185de3b0185f66743d03205dee89659..2b44210bdf1349d04c47eb3b4ff24ec671033f62 100644
--- a/arch/arm/include/asm/arch-exynos/cpu.h
+++ b/arch/arm/include/asm/arch-exynos/cpu.h
@@ -92,7 +92,7 @@
 #define EXYNOS4X12_USB_HOST_XHCI_BASE	DEVICE_NOT_AVAILABLE
 #define EXYNOS4X12_USB3PHY_BASE		DEVICE_NOT_AVAILABLE
 
-/* EXYNOS5 Common*/
+/* EXYNOS5 */
 #define EXYNOS5_I2C_SPACING		0x10000
 
 #define EXYNOS5_AUDIOSS_BASE		0x03810000
@@ -130,6 +130,46 @@
 #define EXYNOS5_ADC_BASE		DEVICE_NOT_AVAILABLE
 #define EXYNOS5_MODEM_BASE		DEVICE_NOT_AVAILABLE
 
+/* EXYNOS5420 */
+#define EXYNOS5420_AUDIOSS_BASE		0x03810000
+#define EXYNOS5420_GPIO_PART5_BASE	0x03860000
+#define EXYNOS5420_PRO_ID		0x10000000
+#define EXYNOS5420_CLOCK_BASE		0x10010000
+#define EXYNOS5420_POWER_BASE		0x10040000
+#define EXYNOS5420_SWRESET		0x10040400
+#define EXYNOS5420_SYSREG_BASE		0x10050000
+#define EXYNOS5420_TZPC_BASE		0x100E0000
+#define EXYNOS5420_WATCHDOG_BASE	0x101D0000
+#define EXYNOS5420_ACE_SFR_BASE		0x10830000
+#define EXYNOS5420_DMC_PHY_BASE		0x10C00000
+#define EXYNOS5420_DMC_CTRL_BASE	0x10C20000
+#define EXYNOS5420_DMC_TZASC0_BASE	0x10D40000
+#define EXYNOS5420_DMC_TZASC1_BASE	0x10D50000
+#define EXYNOS5420_USB_HOST_EHCI_BASE	0x12110000
+#define EXYNOS5420_MMC_BASE		0x12200000
+#define EXYNOS5420_SROMC_BASE		0x12250000
+#define EXYNOS5420_UART_BASE		0x12C00000
+#define EXYNOS5420_I2C_BASE		0x12C60000
+#define EXYNOS5420_I2C_8910_BASE	0x12E00000
+#define EXYNOS5420_SPI_BASE		0x12D20000
+#define EXYNOS5420_I2S_BASE		0x12D60000
+#define EXYNOS5420_PWMTIMER_BASE	0x12DD0000
+#define EXYNOS5420_SPI_ISP_BASE		0x131A0000
+#define EXYNOS5420_GPIO_PART2_BASE	0x13400000
+#define EXYNOS5420_GPIO_PART3_BASE	0x13410000
+#define EXYNOS5420_GPIO_PART4_BASE	0x14000000
+#define EXYNOS5420_GPIO_PART1_BASE	0x14010000
+#define EXYNOS5420_MIPI_DSIM_BASE	0x14500000
+#define EXYNOS5420_DP_BASE		0x145B0000
+
+#define EXYNOS5420_USBPHY_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS5420_USBOTG_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS5420_FIMD_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS5420_ADC_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS5420_MODEM_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS5420_USB3PHY_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS5420_USB_HOST_XHCI_BASE	DEVICE_NOT_AVAILABLE
+
 #ifndef __ASSEMBLY__
 #include <asm/io.h>
 /* CPU detection macros */
@@ -163,6 +203,10 @@ static inline void s5p_set_cpu_id(void)
 		/* Exynos5250 */
 		s5p_cpu_id = 0x5250;
 		break;
+	case 0x420:
+		/* Exynos5420 */
+		s5p_cpu_id = 0x5420;
+		break;
 	}
 }
 
@@ -190,6 +234,7 @@ static inline int __attribute__((no_instrument_function)) \
 IS_EXYNOS_TYPE(exynos4210, 0x4210)
 IS_EXYNOS_TYPE(exynos4412, 0x4412)
 IS_EXYNOS_TYPE(exynos5250, 0x5250)
+IS_EXYNOS_TYPE(exynos5420, 0x5420)
 
 #define SAMSUNG_BASE(device, base)				\
 static inline unsigned int __attribute__((no_instrument_function)) \
@@ -200,6 +245,8 @@ static inline unsigned int __attribute__((no_instrument_function)) \
 			return EXYNOS4X12_##base;		\
 		return EXYNOS4_##base;				\
 	} else if (cpu_is_exynos5()) {				\
+		if (proid_is_exynos5420())			\
+			return EXYNOS5420_##base;		\
 		return EXYNOS5_##base;				\
 	}							\
 	return 0;						\