diff --git a/arch/arm/mach-spear3xx/include/mach/misc_regs.h b/arch/arm/mach-spear3xx/include/mach/misc_regs.h
index 6309bf6..075812c 100644
--- a/arch/arm/mach-spear3xx/include/mach/misc_regs.h
+++ b/arch/arm/mach-spear3xx/include/mach/misc_regs.h
@@ -16,7 +16,7 @@
 
 #include <mach/spear.h>
 
-#define MISC_BASE		IOMEM(VA_SPEAR3XX_ICM3_MISC_REG_BASE)
+#define MISC_BASE		IOMEM(VA_SPEAR_ICM3_MISC_REG_BASE)
 #define DMA_CHN_CFG		(MISC_BASE + 0x0A0)
 
 #endif /* __MACH_MISC_REGS_H */
diff --git a/arch/arm/mach-spear3xx/include/mach/spear.h b/arch/arm/mach-spear3xx/include/mach/spear.h
index 8cca951..ee5a774 100644
--- a/arch/arm/mach-spear3xx/include/mach/spear.h
+++ b/arch/arm/mach-spear3xx/include/mach/spear.h
@@ -1,9 +1,8 @@
 /*
- * arch/arm/mach-spear3xx/include/mach/spear.h
+ * SPEAr3xx/6xx Machine family specific definition
  *
- * SPEAr3xx Machine family specific definition
- *
- * Copyright (C) 2009 ST Microelectronics
+ * Copyright (C) 2009,2012 ST Microelectronics
+ * Rajeev Kumar<rajeev-dlh.kumar@st.com>
  * Viresh Kumar <viresh.linux@gmail.com>
  *
  * This file is licensed under the terms of the GNU General Public
@@ -11,38 +10,38 @@
  * warranty of any kind, whether express or implied.
  */
 
-#ifndef __MACH_SPEAR3XX_H
-#define __MACH_SPEAR3XX_H
+#ifndef __MACH_SPEAR_H
+#define __MACH_SPEAR_H
 
 #include <asm/memory.h>
 
 /* ICM1 - Low speed connection */
-#define SPEAR3XX_ICM1_2_BASE		UL(0xD0000000)
-#define VA_SPEAR3XX_ICM1_2_BASE		UL(0xFD000000)
-#define SPEAR3XX_ICM1_UART_BASE		UL(0xD0000000)
-#define VA_SPEAR3XX_ICM1_UART_BASE	(VA_SPEAR3XX_ICM1_2_BASE | SPEAR3XX_ICM1_UART_BASE)
+#define SPEAR_ICM1_2_BASE		UL(0xD0000000)
+#define VA_SPEAR_ICM1_2_BASE		UL(0xFD000000)
+#define SPEAR_ICM1_UART_BASE		UL(0xD0000000)
+#define VA_SPEAR_ICM1_UART_BASE		(VA_SPEAR_ICM1_2_BASE | SPEAR_ICM1_UART_BASE)
 #define SPEAR3XX_ICM1_SSP_BASE		UL(0xD0100000)
 
-/* ML1 - Multi Layer CPU Subsystem */
-#define SPEAR3XX_ICM3_ML1_2_BASE	UL(0xF0000000)
+/* ML-1, 2 - Multi Layer CPU Subsystem */
+#define SPEAR_ICM3_ML1_2_BASE		UL(0xF0000000)
 #define VA_SPEAR6XX_ML_CPU_BASE		UL(0xF0000000)
 
 /* ICM3 - Basic Subsystem */
-#define SPEAR3XX_ICM3_SMI_CTRL_BASE	UL(0xFC000000)
-#define VA_SPEAR3XX_ICM3_SMI_CTRL_BASE	UL(0xFC000000)
-#define SPEAR3XX_ICM3_DMA_BASE		UL(0xFC400000)
-#define SPEAR3XX_ICM3_SYS_CTRL_BASE	UL(0xFCA00000)
-#define VA_SPEAR3XX_ICM3_SYS_CTRL_BASE	(VA_SPEAR3XX_ICM3_SMI_CTRL_BASE | SPEAR3XX_ICM3_SYS_CTRL_BASE)
-#define SPEAR3XX_ICM3_MISC_REG_BASE	UL(0xFCA80000)
-#define VA_SPEAR3XX_ICM3_MISC_REG_BASE	(VA_SPEAR3XX_ICM3_SMI_CTRL_BASE | SPEAR3XX_ICM3_MISC_REG_BASE)
+#define SPEAR_ICM3_SMI_CTRL_BASE	UL(0xFC000000)
+#define VA_SPEAR_ICM3_SMI_CTRL_BASE	UL(0xFC000000)
+#define SPEAR_ICM3_DMA_BASE		UL(0xFC400000)
+#define SPEAR_ICM3_SYS_CTRL_BASE	UL(0xFCA00000)
+#define VA_SPEAR_ICM3_SYS_CTRL_BASE	(VA_SPEAR_ICM3_SMI_CTRL_BASE | SPEAR_ICM3_SYS_CTRL_BASE)
+#define SPEAR_ICM3_MISC_REG_BASE	UL(0xFCA80000)
+#define VA_SPEAR_ICM3_MISC_REG_BASE	(VA_SPEAR_ICM3_SMI_CTRL_BASE | SPEAR_ICM3_MISC_REG_BASE)
 
 /* Debug uart for linux, will be used for debug and uncompress messages */
-#define SPEAR_DBG_UART_BASE		SPEAR3XX_ICM1_UART_BASE
-#define VA_SPEAR_DBG_UART_BASE		VA_SPEAR3XX_ICM1_UART_BASE
+#define SPEAR_DBG_UART_BASE		SPEAR_ICM1_UART_BASE
+#define VA_SPEAR_DBG_UART_BASE		VA_SPEAR_ICM1_UART_BASE
 
 /* Sysctl base for spear platform */
-#define SPEAR_SYS_CTRL_BASE		SPEAR3XX_ICM3_SYS_CTRL_BASE
-#define VA_SPEAR_SYS_CTRL_BASE		VA_SPEAR3XX_ICM3_SYS_CTRL_BASE
+#define SPEAR_SYS_CTRL_BASE		SPEAR_ICM3_SYS_CTRL_BASE
+#define VA_SPEAR_SYS_CTRL_BASE		VA_SPEAR_ICM3_SYS_CTRL_BASE
 
 /* SPEAr320 Macros */
 #define SPEAR320_SOC_CONFIG_BASE	UL(0xB3000000)
@@ -57,4 +56,4 @@
 	#define SPEAR320_UART6_PCLK_SHIFT		12
 	#define SPEAR320_RS485_PCLK_SHIFT		13
 
-#endif /* __MACH_SPEAR3XX_H */
+#endif /* __MACH_SPEAR_H */
diff --git a/arch/arm/mach-spear3xx/spear300.c b/arch/arm/mach-spear3xx/spear300.c
index bbc9b7e..72449ee 100644
--- a/arch/arm/mach-spear3xx/spear300.c
+++ b/arch/arm/mach-spear3xx/spear300.c
@@ -185,7 +185,7 @@
 static struct of_dev_auxdata spear300_auxdata_lookup[] __initdata = {
 	OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL,
 			&pl022_plat_data),
-	OF_DEV_AUXDATA("arm,pl080", SPEAR3XX_ICM3_DMA_BASE, NULL,
+	OF_DEV_AUXDATA("arm,pl080", SPEAR_ICM3_DMA_BASE, NULL,
 			&pl080_plat_data),
 	{}
 };
diff --git a/arch/arm/mach-spear3xx/spear310.c b/arch/arm/mach-spear3xx/spear310.c
index c13a434..0b7962d 100644
--- a/arch/arm/mach-spear3xx/spear310.c
+++ b/arch/arm/mach-spear3xx/spear310.c
@@ -217,7 +217,7 @@
 static struct of_dev_auxdata spear310_auxdata_lookup[] __initdata = {
 	OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL,
 			&pl022_plat_data),
-	OF_DEV_AUXDATA("arm,pl080", SPEAR3XX_ICM3_DMA_BASE, NULL,
+	OF_DEV_AUXDATA("arm,pl080", SPEAR_ICM3_DMA_BASE, NULL,
 			&pl080_plat_data),
 	OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART1_BASE, NULL,
 			&spear310_uart_data[0]),
diff --git a/arch/arm/mach-spear3xx/spear320.c b/arch/arm/mach-spear3xx/spear320.c
index f671a0a..e9db7db 100644
--- a/arch/arm/mach-spear3xx/spear320.c
+++ b/arch/arm/mach-spear3xx/spear320.c
@@ -223,7 +223,7 @@
 static struct of_dev_auxdata spear320_auxdata_lookup[] __initdata = {
 	OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL,
 			&pl022_plat_data),
-	OF_DEV_AUXDATA("arm,pl080", SPEAR3XX_ICM3_DMA_BASE, NULL,
+	OF_DEV_AUXDATA("arm,pl080", SPEAR_ICM3_DMA_BASE, NULL,
 			&pl080_plat_data),
 	OF_DEV_AUXDATA("arm,pl022", SPEAR320_SSP0_BASE, NULL,
 			&spear320_ssp_data[0]),
diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c
index 72e3ae7..d7580f2 100644
--- a/arch/arm/mach-spear3xx/spear3xx.c
+++ b/arch/arm/mach-spear3xx/spear3xx.c
@@ -67,13 +67,13 @@
  */
 struct map_desc spear3xx_io_desc[] __initdata = {
 	{
-		.virtual	= VA_SPEAR3XX_ICM1_2_BASE,
-		.pfn		= __phys_to_pfn(SPEAR3XX_ICM1_2_BASE),
+		.virtual	= VA_SPEAR_ICM1_2_BASE,
+		.pfn		= __phys_to_pfn(SPEAR_ICM1_2_BASE),
 		.length		= SZ_16M,
 		.type		= MT_DEVICE
 	}, {
-		.virtual	= VA_SPEAR3XX_ICM3_SMI_CTRL_BASE,
-		.pfn		= __phys_to_pfn(SPEAR3XX_ICM3_SMI_CTRL_BASE),
+		.virtual	= VA_SPEAR_ICM3_SMI_CTRL_BASE,
+		.pfn		= __phys_to_pfn(SPEAR_ICM3_SMI_CTRL_BASE),
 		.length		= SZ_16M,
 		.type		= MT_DEVICE
 	},
diff --git a/arch/arm/mach-spear6xx/include/mach/misc_regs.h b/arch/arm/mach-spear6xx/include/mach/misc_regs.h
index c34acc2..28aa508 100644
--- a/arch/arm/mach-spear6xx/include/mach/misc_regs.h
+++ b/arch/arm/mach-spear6xx/include/mach/misc_regs.h
@@ -16,7 +16,7 @@
 
 #include <mach/spear.h>
 
-#define MISC_BASE		IOMEM(VA_SPEAR6XX_ICM3_MISC_REG_BASE)
+#define MISC_BASE		IOMEM(VA_SPEAR_ICM3_MISC_REG_BASE)
 #define DMA_CHN_CFG		(MISC_BASE + 0x0A0)
 
 #endif /* __MACH_MISC_REGS_H */
diff --git a/arch/arm/mach-spear6xx/include/mach/spear.h b/arch/arm/mach-spear6xx/include/mach/spear.h
index cb8ed2f..ee5a774 100644
--- a/arch/arm/mach-spear6xx/include/mach/spear.h
+++ b/arch/arm/mach-spear6xx/include/mach/spear.h
@@ -1,46 +1,59 @@
 /*
- * arch/arm/mach-spear6xx/include/mach/spear.h
+ * SPEAr3xx/6xx Machine family specific definition
  *
- * SPEAr6xx Machine family specific definition
- *
- * Copyright (C) 2009 ST Microelectronics
+ * Copyright (C) 2009,2012 ST Microelectronics
  * Rajeev Kumar<rajeev-dlh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
  *
  * This file is licensed under the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */
 
-#ifndef __MACH_SPEAR6XX_H
-#define __MACH_SPEAR6XX_H
+#ifndef __MACH_SPEAR_H
+#define __MACH_SPEAR_H
 
 #include <asm/memory.h>
 
 /* ICM1 - Low speed connection */
-#define SPEAR6XX_ICM1_BASE		UL(0xD0000000)
-#define VA_SPEAR6XX_ICM1_BASE		UL(0xFD000000)
-#define SPEAR6XX_ICM1_UART0_BASE	UL(0xD0000000)
-#define VA_SPEAR6XX_ICM1_UART0_BASE	(VA_SPEAR6XX_ICM1_2_BASE | SPEAR6XX_ICM1_UART0_BASE)
+#define SPEAR_ICM1_2_BASE		UL(0xD0000000)
+#define VA_SPEAR_ICM1_2_BASE		UL(0xFD000000)
+#define SPEAR_ICM1_UART_BASE		UL(0xD0000000)
+#define VA_SPEAR_ICM1_UART_BASE		(VA_SPEAR_ICM1_2_BASE | SPEAR_ICM1_UART_BASE)
+#define SPEAR3XX_ICM1_SSP_BASE		UL(0xD0100000)
 
 /* ML-1, 2 - Multi Layer CPU Subsystem */
-#define SPEAR6XX_ML_CPU_BASE		UL(0xF0000000)
+#define SPEAR_ICM3_ML1_2_BASE		UL(0xF0000000)
 #define VA_SPEAR6XX_ML_CPU_BASE		UL(0xF0000000)
 
 /* ICM3 - Basic Subsystem */
-#define SPEAR6XX_ICM3_SMI_CTRL_BASE	UL(0xFC000000)
-#define VA_SPEAR6XX_ICM3_SMI_CTRL_BASE	UL(0xFC000000)
-#define SPEAR6XX_ICM3_DMA_BASE		UL(0xFC400000)
-#define SPEAR6XX_ICM3_SYS_CTRL_BASE	UL(0xFCA00000)
-#define VA_SPEAR6XX_ICM3_SYS_CTRL_BASE	(VA_SPEAR6XX_ICM3_SMI_CTRL_BASE | SPEAR6XX_ICM3_SYS_CTRL_BASE)
-#define SPEAR6XX_ICM3_MISC_REG_BASE	UL(0xFCA80000)
-#define VA_SPEAR6XX_ICM3_MISC_REG_BASE	(VA_SPEAR6XX_ICM3_SMI_CTRL_BASE | SPEAR6XX_ICM3_MISC_REG_BASE)
+#define SPEAR_ICM3_SMI_CTRL_BASE	UL(0xFC000000)
+#define VA_SPEAR_ICM3_SMI_CTRL_BASE	UL(0xFC000000)
+#define SPEAR_ICM3_DMA_BASE		UL(0xFC400000)
+#define SPEAR_ICM3_SYS_CTRL_BASE	UL(0xFCA00000)
+#define VA_SPEAR_ICM3_SYS_CTRL_BASE	(VA_SPEAR_ICM3_SMI_CTRL_BASE | SPEAR_ICM3_SYS_CTRL_BASE)
+#define SPEAR_ICM3_MISC_REG_BASE	UL(0xFCA80000)
+#define VA_SPEAR_ICM3_MISC_REG_BASE	(VA_SPEAR_ICM3_SMI_CTRL_BASE | SPEAR_ICM3_MISC_REG_BASE)
 
 /* Debug uart for linux, will be used for debug and uncompress messages */
-#define SPEAR_DBG_UART_BASE		SPEAR6XX_ICM1_UART0_BASE
-#define VA_SPEAR_DBG_UART_BASE		VA_SPEAR6XX_ICM1_UART0_BASE
+#define SPEAR_DBG_UART_BASE		SPEAR_ICM1_UART_BASE
+#define VA_SPEAR_DBG_UART_BASE		VA_SPEAR_ICM1_UART_BASE
 
 /* Sysctl base for spear platform */
-#define SPEAR_SYS_CTRL_BASE		SPEAR6XX_ICM3_SYS_CTRL_BASE
-#define VA_SPEAR_SYS_CTRL_BASE		VA_SPEAR6XX_ICM3_SYS_CTRL_BASE
+#define SPEAR_SYS_CTRL_BASE		SPEAR_ICM3_SYS_CTRL_BASE
+#define VA_SPEAR_SYS_CTRL_BASE		VA_SPEAR_ICM3_SYS_CTRL_BASE
 
-#endif /* __MACH_SPEAR6XX_H */
+/* SPEAr320 Macros */
+#define SPEAR320_SOC_CONFIG_BASE	UL(0xB3000000)
+#define VA_SPEAR320_SOC_CONFIG_BASE	UL(0xFE000000)
+#define SPEAR320_CONTROL_REG		IOMEM(VA_SPEAR320_SOC_CONFIG_BASE)
+#define SPEAR320_EXT_CTRL_REG		IOMEM(VA_SPEAR320_SOC_CONFIG_BASE + 0x0018)
+	#define SPEAR320_UARTX_PCLK_MASK		0x1
+	#define SPEAR320_UART2_PCLK_SHIFT		8
+	#define SPEAR320_UART3_PCLK_SHIFT		9
+	#define SPEAR320_UART4_PCLK_SHIFT		10
+	#define SPEAR320_UART5_PCLK_SHIFT		11
+	#define SPEAR320_UART6_PCLK_SHIFT		12
+	#define SPEAR320_RS485_PCLK_SHIFT		13
+
+#endif /* __MACH_SPEAR_H */
diff --git a/arch/arm/mach-spear6xx/spear6xx.c b/arch/arm/mach-spear6xx/spear6xx.c
index 8904d8a..97fb31d 100644
--- a/arch/arm/mach-spear6xx/spear6xx.c
+++ b/arch/arm/mach-spear6xx/spear6xx.c
@@ -351,17 +351,17 @@
 struct map_desc spear6xx_io_desc[] __initdata = {
 	{
 		.virtual	= VA_SPEAR6XX_ML_CPU_BASE,
-		.pfn		= __phys_to_pfn(SPEAR6XX_ML_CPU_BASE),
+		.pfn		= __phys_to_pfn(SPEAR_ICM3_ML1_2_BASE),
 		.length		= 2 * SZ_16M,
 		.type		= MT_DEVICE
 	},	{
-		.virtual	= VA_SPEAR6XX_ICM1_BASE,
-		.pfn		= __phys_to_pfn(SPEAR6XX_ICM1_BASE),
+		.virtual	= VA_SPEAR_ICM1_2_BASE,
+		.pfn		= __phys_to_pfn(SPEAR_ICM1_2_BASE),
 		.length		= SZ_16M,
 		.type		= MT_DEVICE
 	}, {
-		.virtual	= VA_SPEAR6XX_ICM3_SMI_CTRL_BASE,
-		.pfn		= __phys_to_pfn(SPEAR6XX_ICM3_SMI_CTRL_BASE),
+		.virtual	= VA_SPEAR_ICM3_SMI_CTRL_BASE,
+		.pfn		= __phys_to_pfn(SPEAR_ICM3_SMI_CTRL_BASE),
 		.length		= SZ_16M,
 		.type		= MT_DEVICE
 	},
@@ -404,7 +404,7 @@
 
 /* Add auxdata to pass platform data */
 struct of_dev_auxdata spear6xx_auxdata_lookup[] __initdata = {
-	OF_DEV_AUXDATA("arm,pl080", SPEAR6XX_ICM3_DMA_BASE, NULL,
+	OF_DEV_AUXDATA("arm,pl080", SPEAR_ICM3_DMA_BASE, NULL,
 			&pl080_plat_data),
 	{}
 };