diff --git a/include/mpc83xx.h b/include/mpc83xx.h
index 119f8b1..7299ca0 100644
--- a/include/mpc83xx.h
+++ b/include/mpc83xx.h
@@ -486,7 +486,15 @@
 #define HRCWL_CE_TO_PLL_1X30		0x0000001E
 #define HRCWL_CE_TO_PLL_1X31		0x0000001F
 
-#elif defined(CONFIG_MPC837X) || defined(CONFIG_MPC8315)
+#elif defined(CONFIG_MPC8315)
+#define HRCWL_SVCOD			0x30000000
+#define HRCWL_SVCOD_SHIFT		28
+#define HRCWL_SVCOD_DIV_2		0x00000000
+#define HRCWL_SVCOD_DIV_4		0x10000000
+#define HRCWL_SVCOD_DIV_8		0x20000000
+#define HRCWL_SVCOD_DIV_1		0x30000000
+
+#elif defined(CONFIG_MPC837X)
 #define HRCWL_SVCOD			0x30000000
 #define HRCWL_SVCOD_SHIFT		28
 #define HRCWL_SVCOD_DIV_4		0x00000000
@@ -752,31 +760,31 @@
 #define SCCR_TSEC2CM_2			0x20000000
 #define SCCR_TSEC2CM_3			0x30000000
 
-#define SCCR_USBDRCM			0x00300000
-#define SCCR_USBDRCM_SHIFT		20
+#define SCCR_USBDRCM			0x00c00000
+#define SCCR_USBDRCM_SHIFT		22
 #define SCCR_USBDRCM_0			0x00000000
-#define SCCR_USBDRCM_1			0x00100000
-#define SCCR_USBDRCM_2			0x00200000
-#define SCCR_USBDRCM_3			0x00300000
+#define SCCR_USBDRCM_1			0x00400000
+#define SCCR_USBDRCM_2			0x00800000
+#define SCCR_USBDRCM_3			0x00c00000
 
-#define SCCR_PCIEXP1CM			0x00080000
-#define SCCR_PCIEXP2CM			0x00040000
+#define SCCR_PCIEXP1CM			0x00300000
+#define SCCR_PCIEXP2CM			0x000c0000
 
-#define SCCR_SATA1CM			0x0000c000
-#define SCCR_SATA1CM_SHIFT		14
-#define SCCR_SATACM			0x0000f000
-#define SCCR_SATACM_SHIFT		8
+#define SCCR_SATA1CM			0x00003000
+#define SCCR_SATA1CM_SHIFT		12
+#define SCCR_SATACM			0x00003c00
+#define SCCR_SATACM_SHIFT		10
 #define SCCR_SATACM_0			0x00000000
-#define SCCR_SATACM_1			0x00005000
-#define SCCR_SATACM_2			0x0000a000
-#define SCCR_SATACM_3			0x0000f000
+#define SCCR_SATACM_1			0x00001400
+#define SCCR_SATACM_2			0x00002800
+#define SCCR_SATACM_3			0x00003c00
 
-#define SCCR_TDMCM			0x000000c0
-#define SCCR_TDMCM_SHIFT		6
+#define SCCR_TDMCM			0x00000030
+#define SCCR_TDMCM_SHIFT		4
 #define SCCR_TDMCM_0			0x00000000
-#define SCCR_TDMCM_1			0x00000040
-#define SCCR_TDMCM_2			0x00000080
-#define SCCR_TDMCM_3			0x000000c0
+#define SCCR_TDMCM_1			0x00000010
+#define SCCR_TDMCM_2			0x00000020
+#define SCCR_TDMCM_3			0x00000030
 
 #elif defined(CONFIG_MPC837X)
 /* SCCR bits - MPC837x specific */