diff --git a/include/asm-ppc/immap_512x.h b/include/asm-ppc/immap_512x.h
index bdc6ff2..95350fd 100644
--- a/include/asm-ppc/immap_512x.h
+++ b/include/asm-ppc/immap_512x.h
@@ -215,8 +215,8 @@
 #define CLOCK_SCCR2_DIU_EN		0x80000000
 #define CLOCK_SCCR2_AXE_EN		0x40000000
 #define CLOCK_SCCR2_MEM_EN		0x20000000
-#define CLOCK_SCCR2_USB2_EN		0x10000000
-#define CLOCK_SCCR2_USB1_EN		0x08000000
+#define CLOCK_SCCR2_USB1_EN		0x10000000
+#define CLOCK_SCCR2_USB2_EN		0x08000000
 #define CLOCK_SCCR2_I2C_EN		0x04000000
 #define CLOCK_SCCR2_BDLC_EN		0x02000000
 #define CLOCK_SCCR2_SDHC_EN		0x01000000