diff --git a/arch/arm/mach-s3c6400/include/mach/uncompress.h b/arch/arm/mach-s3c6400/include/mach/uncompress.h
index cc822c5..c6a82a2 100644
--- a/arch/arm/mach-s3c6400/include/mach/uncompress.h
+++ b/arch/arm/mach-s3c6400/include/mach/uncompress.h
@@ -21,6 +21,8 @@
 static void arch_detect_cpu(void)
 {
 	/* we do not need to do any cpu detection here at the moment. */
+	fifo_mask = S3C2440_UFSTAT_TXMASK;
+	fifo_max = 63 << S3C2440_UFSTAT_TXSHIFT;
 }
 
 #endif /* __ASM_ARCH_UNCOMPRESS_H */