diff --git a/arch/m68k/include/asm/m54xxgpt.h b/arch/m68k/include/asm/m54xxgpt.h
index df75dd87ae7..0b69cd1ed0e 100644
--- a/arch/m68k/include/asm/m54xxgpt.h
+++ b/arch/m68k/include/asm/m54xxgpt.h
@@ -16,26 +16,26 @@
 *********************************************************************/
 
 /* Register read/write macros */
-#define MCF_GPT_GMS0       0x000800
-#define MCF_GPT_GCIR0      0x000804
-#define MCF_GPT_GPWM0      0x000808
-#define MCF_GPT_GSR0       0x00080C
-#define MCF_GPT_GMS1       0x000810
-#define MCF_GPT_GCIR1      0x000814
-#define MCF_GPT_GPWM1      0x000818
-#define MCF_GPT_GSR1       0x00081C
-#define MCF_GPT_GMS2       0x000820
-#define MCF_GPT_GCIR2      0x000824
-#define MCF_GPT_GPWM2      0x000828
-#define MCF_GPT_GSR2       0x00082C
-#define MCF_GPT_GMS3       0x000830
-#define MCF_GPT_GCIR3      0x000834
-#define MCF_GPT_GPWM3      0x000838
-#define MCF_GPT_GSR3       0x00083C
-#define MCF_GPT_GMS(x)     (0x000800+((x)*0x010))
-#define MCF_GPT_GCIR(x)    (0x000804+((x)*0x010))
-#define MCF_GPT_GPWM(x)    (0x000808+((x)*0x010))
-#define MCF_GPT_GSR(x)     (0x00080C+((x)*0x010))
+#define MCF_GPT_GMS0       (MCF_MBAR + 0x000800)
+#define MCF_GPT_GCIR0      (MCF_MBAR + 0x000804)
+#define MCF_GPT_GPWM0      (MCF_MBAR + 0x000808)
+#define MCF_GPT_GSR0       (MCF_MBAR + 0x00080C)
+#define MCF_GPT_GMS1       (MCF_MBAR + 0x000810)
+#define MCF_GPT_GCIR1      (MCF_MBAR + 0x000814)
+#define MCF_GPT_GPWM1      (MCF_MBAR + 0x000818)
+#define MCF_GPT_GSR1       (MCF_MBAR + 0x00081C)
+#define MCF_GPT_GMS2       (MCF_MBAR + 0x000820)
+#define MCF_GPT_GCIR2      (MCF_MBAR + 0x000824)
+#define MCF_GPT_GPWM2      (MCF_MBAR + 0x000828)
+#define MCF_GPT_GSR2       (MCF_MBAR + 0x00082C)
+#define MCF_GPT_GMS3       (MCF_MBAR + 0x000830)
+#define MCF_GPT_GCIR3      (MCF_MBAR + 0x000834)
+#define MCF_GPT_GPWM3      (MCF_MBAR + 0x000838)
+#define MCF_GPT_GSR3       (MCF_MBAR + 0x00083C)
+#define MCF_GPT_GMS(x)     (MCF_MBAR + 0x000800 + ((x) * 0x010))
+#define MCF_GPT_GCIR(x)    (MCF_MBAR + 0x000804 + ((x) * 0x010))
+#define MCF_GPT_GPWM(x)    (MCF_MBAR + 0x000808 + ((x) * 0x010))
+#define MCF_GPT_GSR(x)     (MCF_MBAR + 0x00080C + ((x) * 0x010))
 
 /* Bit definitions and macros for MCF_GPT_GMS */
 #define MCF_GPT_GMS_TMS(x)         (((x)&0x00000007)<<0)
diff --git a/arch/m68k/platform/coldfire/m54xx.c b/arch/m68k/platform/coldfire/m54xx.c
index 1f7c7fd83e2..b587bf35175 100644
--- a/arch/m68k/platform/coldfire/m54xx.c
+++ b/arch/m68k/platform/coldfire/m54xx.c
@@ -44,10 +44,10 @@ static void mcf54xx_reset(void)
 {
 	/* disable interrupts and enable the watchdog */
 	asm("movew #0x2700, %sr\n");
-	__raw_writel(0, MCF_MBAR + MCF_GPT_GMS0);
-	__raw_writel(MCF_GPT_GCIR_CNT(1), MCF_MBAR + MCF_GPT_GCIR0);
+	__raw_writel(0, MCF_GPT_GMS0);
+	__raw_writel(MCF_GPT_GCIR_CNT(1), MCF_GPT_GCIR0);
 	__raw_writel(MCF_GPT_GMS_WDEN | MCF_GPT_GMS_CE | MCF_GPT_GMS_TMS(4),
-						MCF_MBAR + MCF_GPT_GMS0);
+		MCF_GPT_GMS0);
 }
 
 /***************************************************************************/
diff --git a/drivers/watchdog/m54xx_wdt.c b/drivers/watchdog/m54xx_wdt.c
index 663cad86c63..173494a681e 100644
--- a/drivers/watchdog/m54xx_wdt.c
+++ b/drivers/watchdog/m54xx_wdt.c
@@ -46,17 +46,17 @@ static void wdt_enable(void)
 	unsigned int gms0;
 
 	/* preserve GPIO usage, if any */
-	gms0 = __raw_readl(MCF_MBAR + MCF_GPT_GMS0);
+	gms0 = __raw_readl(MCF_GPT_GMS0);
 	if (gms0 & MCF_GPT_GMS_TMS_GPIO)
 		gms0 &= (MCF_GPT_GMS_TMS_GPIO | MCF_GPT_GMS_GPIO_MASK
 							| MCF_GPT_GMS_OD);
 	else
 		gms0 = MCF_GPT_GMS_TMS_GPIO | MCF_GPT_GMS_OD;
-	__raw_writel(gms0, MCF_MBAR + MCF_GPT_GMS0);
+	__raw_writel(gms0, MCF_GPT_GMS0);
 	__raw_writel(MCF_GPT_GCIR_PRE(heartbeat*(MCF_BUSCLK/0xffff)) |
-			MCF_GPT_GCIR_CNT(0xffff), MCF_MBAR + MCF_GPT_GCIR0);
+			MCF_GPT_GCIR_CNT(0xffff), MCF_GPT_GCIR0);
 	gms0 |= MCF_GPT_GMS_OCPW(0xA5) | MCF_GPT_GMS_WDEN | MCF_GPT_GMS_CE;
-	__raw_writel(gms0, MCF_MBAR + MCF_GPT_GMS0);
+	__raw_writel(gms0, MCF_GPT_GMS0);
 }
 
 static void wdt_disable(void)
@@ -64,18 +64,18 @@ static void wdt_disable(void)
 	unsigned int gms0;
 
 	/* disable watchdog */
-	gms0 = __raw_readl(MCF_MBAR + MCF_GPT_GMS0);
+	gms0 = __raw_readl(MCF_GPT_GMS0);
 	gms0 &= ~(MCF_GPT_GMS_WDEN | MCF_GPT_GMS_CE);
-	__raw_writel(gms0, MCF_MBAR + MCF_GPT_GMS0);
+	__raw_writel(gms0, MCF_GPT_GMS0);
 }
 
 static void wdt_keepalive(void)
 {
 	unsigned int gms0;
 
-	gms0 = __raw_readl(MCF_MBAR + MCF_GPT_GMS0);
+	gms0 = __raw_readl(MCF_GPT_GMS0);
 	gms0 |= MCF_GPT_GMS_OCPW(0xA5);
-	__raw_writel(gms0, MCF_MBAR + MCF_GPT_GMS0);
+	__raw_writel(gms0, MCF_GPT_GMS0);
 }
 
 static int m54xx_wdt_open(struct inode *inode, struct file *file)
@@ -195,8 +195,7 @@ static struct miscdevice m54xx_wdt_miscdev = {
 
 static int __init m54xx_wdt_init(void)
 {
-	if (!request_mem_region(MCF_MBAR + MCF_GPT_GCIR0, 4,
-						"Coldfire M54xx Watchdog")) {
+	if (!request_mem_region(MCF_GPT_GCIR0, 4, "Coldfire M54xx Watchdog")) {
 		pr_warn("I/O region busy\n");
 		return -EBUSY;
 	}
@@ -208,7 +207,7 @@ static int __init m54xx_wdt_init(void)
 static void __exit m54xx_wdt_exit(void)
 {
 	misc_deregister(&m54xx_wdt_miscdev);
-	release_mem_region(MCF_MBAR + MCF_GPT_GCIR0, 4);
+	release_mem_region(MCF_GPT_GCIR0, 4);
 }
 
 module_init(m54xx_wdt_init);