diff --git a/arch/m68k/include/asm/m527xsim.h b/arch/m68k/include/asm/m527xsim.h
index 758810ef91ec349f9f2cdf6894e99de1297d5933..7399968b2efee29908f130ee6f2e33a890284165 100644
--- a/arch/m68k/include/asm/m527xsim.h
+++ b/arch/m68k/include/asm/m527xsim.h
@@ -40,6 +40,10 @@
 #define	MCFINT_QSPI		18		/* Interrupt number for QSPI */
 #define	MCFINT_PIT1		36		/* Interrupt number for PIT1 */
 
+#define	MCF_IRQ_UART0	        (MCFINT_VECBASE + MCFINT_UART0)
+#define	MCF_IRQ_UART1	        (MCFINT_VECBASE + MCFINT_UART1)
+#define	MCF_IRQ_UART2	        (MCFINT_VECBASE + MCFINT_UART2)
+
 /*
  *	SDRAM configuration registers.
  */
@@ -72,9 +76,9 @@
 /*
  *	UART module.
  */
-#define MCFUART_BASE1		(MCF_IPSBAR + 0x200)
-#define MCFUART_BASE2		(MCF_IPSBAR + 0x240)
-#define MCFUART_BASE3		(MCF_IPSBAR + 0x280)
+#define MCFUART_BASE0		(MCF_IPSBAR + 0x200)
+#define MCFUART_BASE1		(MCF_IPSBAR + 0x240)
+#define MCFUART_BASE2		(MCF_IPSBAR + 0x280)
 
 /*
  *	FEC ethernet module.
diff --git a/arch/m68k/platform/527x/config.c b/arch/m68k/platform/527x/config.c
index c948a16beea83386425138e8dc6abc3db860e9e6..56f1ddd3cfdcae2b7245b6120d96dba2d85a65d7 100644
--- a/arch/m68k/platform/527x/config.c
+++ b/arch/m68k/platform/527x/config.c
@@ -28,16 +28,16 @@
 
 static struct mcf_platform_uart m527x_uart_platform[] = {
 	{
-		.mapbase	= MCFUART_BASE1,
-		.irq		= MCFINT_VECBASE + MCFINT_UART0,
+		.mapbase	= MCFUART_BASE0,
+		.irq		= MCF_IRQ_UART0,
 	},
 	{
-		.mapbase 	= MCFUART_BASE2,
-		.irq		= MCFINT_VECBASE + MCFINT_UART1,
+		.mapbase 	= MCFUART_BASE1,
+		.irq		= MCF_IRQ_UART1,
 	},
 	{
-		.mapbase 	= MCFUART_BASE3,
-		.irq		= MCFINT_VECBASE + MCFINT_UART2,
+		.mapbase 	= MCFUART_BASE2,
+		.irq		= MCF_IRQ_UART2,
 	},
 	{ },
 };