diff --git a/arch/powerpc/include/asm/fsl_ddr_sdram.h b/arch/powerpc/include/asm/fsl_ddr_sdram.h
index 02a1f5d32339f15058f8b5027f271e3c3b409e88..b5b1efe66925cbfd249aad32689d6c22091b84a2 100644
--- a/arch/powerpc/include/asm/fsl_ddr_sdram.h
+++ b/arch/powerpc/include/asm/fsl_ddr_sdram.h
@@ -271,6 +271,8 @@ typedef struct memctl_options_s {
 
 extern phys_size_t fsl_ddr_sdram(void);
 extern int fsl_use_spd(void);
+extern void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
+					unsigned int ctrl_num);
 
 /*
  * The 85xx boards have a common prototype for fixed_sdram so put the
diff --git a/board/freescale/corenet_ds/ddr.c b/board/freescale/corenet_ds/ddr.c
index 844eb1df85b074f01f96ad2cfb42bfb6823c03e5..ee08abb29f7da8c9c69de8d65b809b4a075ae682 100644
--- a/board/freescale/corenet_ds/ddr.c
+++ b/board/freescale/corenet_ds/ddr.c
@@ -16,9 +16,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-extern void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
-				   unsigned int ctrl_num);
-
 
 /*
  * Fixed sdram init -- doesn't use serial presence detect.
diff --git a/board/freescale/p1_p2_rdb/ddr.c b/board/freescale/p1_p2_rdb/ddr.c
index fbc46b1f4b09c4e98ad90ad3ccffa56f9d3b6df0..44faec3a0be8d718ea733f4cce918e8bff3fc8b5 100644
--- a/board/freescale/p1_p2_rdb/ddr.c
+++ b/board/freescale/p1_p2_rdb/ddr.c
@@ -30,9 +30,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-extern void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
-				   unsigned int ctrl_num);
-
 #define CONFIG_SYS_DDR_CS0_BNDS		0x0000003F
 #define CONFIG_SYS_DDR_CS0_CONFIG	0x80014202
 #define CONFIG_SYS_DDR_CS0_CONFIG_2	0x00000000