diff --git a/arch/m68k/include/asm/m528xsim.h b/arch/m68k/include/asm/m528xsim.h
index d798bd5..a5f0c14 100644
--- a/arch/m68k/include/asm/m528xsim.h
+++ b/arch/m68k/include/asm/m528xsim.h
@@ -35,9 +35,15 @@
 
 #define	MCFINT_VECBASE		64		/* Vector base number */
 #define	MCFINT_UART0		13		/* Interrupt number for UART0 */
+#define	MCFINT_UART1		14		/* Interrupt number for UART1 */
+#define	MCFINT_UART2		15		/* Interrupt number for UART2 */
 #define	MCFINT_QSPI		18		/* Interrupt number for QSPI */
 #define	MCFINT_PIT1		55		/* 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.
  */
@@ -58,9 +64,9 @@
 /*
  *	UART module.
  */
-#define	MCFUART_BASE1		(MCF_IPSBAR + 0x00000200)
-#define	MCFUART_BASE2		(MCF_IPSBAR + 0x00000240)
-#define	MCFUART_BASE3		(MCF_IPSBAR + 0x00000280)
+#define	MCFUART_BASE0		(MCF_IPSBAR + 0x00000200)
+#define	MCFUART_BASE1		(MCF_IPSBAR + 0x00000240)
+#define	MCFUART_BASE2		(MCF_IPSBAR + 0x00000280)
 
 /*
  *	FEC ethernet module.
diff --git a/arch/m68k/platform/528x/config.c b/arch/m68k/platform/528x/config.c
index 08f397a..ca848c9 100644
--- a/arch/m68k/platform/528x/config.c
+++ b/arch/m68k/platform/528x/config.c
@@ -29,16 +29,16 @@
 
 static struct mcf_platform_uart m528x_uart_platform[] = {
 	{
-		.mapbase	= MCFUART_BASE1,
-		.irq		= MCFINT_VECBASE + MCFINT_UART0,
+		.mapbase	= MCFUART_BASE0,
+		.irq		= MCF_IRQ_UART0,
+	},
+	{
+		.mapbase 	= MCFUART_BASE1,
+		.irq		= MCF_IRQ_UART1,
 	},
 	{
 		.mapbase 	= MCFUART_BASE2,
-		.irq		= MCFINT_VECBASE + MCFINT_UART0 + 1,
-	},
-	{
-		.mapbase 	= MCFUART_BASE3,
-		.irq		= MCFINT_VECBASE + MCFINT_UART0 + 2,
+		.irq		= MCF_IRQ_UART2,
 	},
 	{ },
 };