diff --git a/arch/arm/include/asm/arch-am33xx/sys_proto.h b/arch/arm/include/asm/arch-am33xx/sys_proto.h
index 588d8de..97ab60d 100644
--- a/arch/arm/include/asm/arch-am33xx/sys_proto.h
+++ b/arch/arm/include/asm/arch-am33xx/sys_proto.h
@@ -35,5 +35,7 @@ void ddr_pll_config(unsigned int ddrpll_M);
  void sdelay(unsigned long);
 void gpmc_init(void);
+void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base,
+			u32 size);
 void omap_nand_switch_ecc(int);
 #endif
-- 
1.7.9.5