diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
index 299201b..c2fbc23 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
@@ -232,7 +232,12 @@
 #define DCFG_PORSR1			0x000
 #define DCFG_PORSR1_RCW_SRC		0xff800000
 #define DCFG_PORSR1_RCW_SRC_NOR		0x12f00000
+#define DCFG_RCWSR12			0x12c
+#define DCFG_RCWSR12_SDHC_SHIFT		24
+#define DCFG_RCWSR12_SDHC_MASK		0x7
 #define DCFG_RCWSR13			0x130
+#define DCFG_RCWSR13_SDHC_SHIFT		3
+#define DCFG_RCWSR13_SDHC_MASK		0x7
 #define DCFG_RCWSR13_DSPI		(0 << 8)
 #define DCFG_RCWSR15			0x138
 #define DCFG_RCWSR15_IFCGRPABASE_QSPI	0x3