diff --git a/include/asm-arm/arch-omap3/sys_proto.h b/include/asm-arm/arch-omap3/sys_proto.h
index 2246f801e5f74116070c8738745b7f873e947325..e59021eb51e5556cb590a9e3b0f2969694c245c2 100644
--- a/include/asm-arm/arch-omap3/sys_proto.h
+++ b/include/asm-arm/arch-omap3/sys_proto.h
@@ -34,6 +34,8 @@ void memif_init(void);
 void sdrc_init(void);
 void do_sdrc_init(u32, u32);
 void gpmc_init(void);
+void enable_gpmc_cs_config(u32 *gpmc_config, struct gpmc_cs *cs, u32 base,
+			u32 size);
 
 void watchdog_init(void);
 void set_muxconf_regs(void);