diff --git a/arch/arm/mach-vt8500/include/mach/uncompress.h b/arch/arm/mach-vt8500/include/mach/uncompress.h
index bb9e2d23fee3..e6e81fdaf109 100644
--- a/arch/arm/mach-vt8500/include/mach/uncompress.h
+++ b/arch/arm/mach-vt8500/include/mach/uncompress.h
@@ -15,15 +15,15 @@
  *
  */
 
-#define UART0_PHYS 0xd8200000
-#include <asm/io.h>
+#define UART0_PHYS	0xd8200000
+#define UART0_ADDR(x)	*(volatile unsigned char *)(UART0_PHYS + x)
 
 static void putc(const char c)
 {
-	while (readb(UART0_PHYS + 0x1c) & 0x2)
+	while (UART0_ADDR(0x1c) & 0x2)
 		/* Tx busy, wait and poll */;
 
-	writeb(c, UART0_PHYS);
+	UART0_ADDR(0) = c;
 }
 
 static void flush(void)