diff --git a/arch/arm/mach-rk2818/devices.h b/arch/arm/mach-rk2818/devices.h
index 9ab2063e8233..2affc341bee4 100644
--- a/arch/arm/mach-rk2818/devices.h
+++ b/arch/arm/mach-rk2818/devices.h
@@ -25,6 +25,11 @@ extern struct platform_device rk2818_device_i2c0;
 extern struct platform_device rk2818_device_i2c1;
 extern struct rk2818_i2c_platform_data default_i2c0_data;
 extern struct rk2818_i2c_platform_data default_i2c1_data;
+
+extern struct platform_device rk2818_device_sdmmc0;
+extern struct platform_device rk2818_device_sdmmc1;
+extern struct rk2818_sdmmc_platform_data default_sdmmc0_data;
+extern struct rk2818_sdmmc_platform_data default_sdmmc1_data;
 extern struct platform_device rk2818_device_dm9k;
 extern struct platform_device rk2818_device_pmem;
 extern struct platform_device rk2818_device_fb;