diff --git a/arch/arm/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S
index 8e8d175..6b696cd 100644
--- a/arch/arm/plat-mxc/include/mach/debug-macro.S
+++ b/arch/arm/plat-mxc/include/mach/debug-macro.S
@@ -17,32 +17,58 @@
 #endif
 
 #ifdef CONFIG_ARCH_MX25
-#ifdef UART_PADDR
+#ifndef UART_PADDR
+#define UART_PADDR	MX25_UART1_BASE_ADDR
+#endif
+#if UART_PADDR != MX25_UART1_BASE_ADDR
 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
 #endif
-#define UART_PADDR	MX25_UART1_BASE_ADDR
 #endif
 
 #ifdef CONFIG_ARCH_MX2
-#ifdef UART_PADDR
+#ifndef UART_PADDR
+#define UART_PADDR	MX2x_UART1_BASE_ADDR
+#endif
+#if UART_PADDR != MX2x_UART1_BASE_ADDR
 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
 #endif
-#define UART_PADDR	MX2x_UART1_BASE_ADDR
 #endif
 
 #ifdef CONFIG_ARCH_MX3
-#ifdef UART_PADDR
+#ifndef UART_PADDR
+#define UART_PADDR	MX3x_UART1_BASE_ADDR
+#endif
+#if UART_PADDR != MX3x_UART1_BASE_ADDR
 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
 #endif
-#define UART_PADDR	MX3x_UART1_BASE_ADDR
 #endif
 
-#ifdef CONFIG_ARCH_MX5
-#ifdef UART_PADDR
+#ifdef CONFIG_ARCH_MX50
+#ifndef UART_PADDR
+#define UART_PADDR	MX50_UART1_BASE_ADDR
+#endif
+#if UART_PADDR != MX50_UART1_BASE_ADDR
 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
 #endif
+#endif
+
+#ifdef CONFIG_ARCH_MX51
+#ifndef UART_PADDR
 #define UART_PADDR	MX51_UART1_BASE_ADDR
 #endif
+#if UART_PADDR != MX51_UART1_BASE_ADDR
+#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
+#endif
+#endif
+
+#ifdef CONFIG_ARCH_MX53
+#ifndef UART_PADDR
+#define UART_PADDR	MX53_UART1_BASE_ADDR
+#endif
+#if UART_PADDR != MX53_UART1_BASE_ADDR
+#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
+#endif
+#endif
 
 #define UART_VADDR	IMX_IO_ADDRESS(UART_PADDR)
 
