diff --git a/arch/arm/include/asm/arch-am33xx/sys_proto.h b/arch/arm/include/asm/arch-am33xx/sys_proto.h
index 588d8de82fbf2b0e75db5c6fa8bef29eb5486673..97ab60d1b2bae9e2ab52d7ea97d3e0d1a1f20e9e 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