diff --git a/configs/sh7757lcr_defconfig b/configs/sh7757lcr_defconfig
index 205ede0..05c6f4e 100644
--- a/configs/sh7757lcr_defconfig
+++ b/configs/sh7757lcr_defconfig
@@ -18,6 +18,7 @@
 CONFIG_CMD_MMC=y
 CONFIG_CMD_SF=y
 # CONFIG_CMD_FPGA is not set
+CONFIG_CMD_SDRAM=y
 # CONFIG_CMD_ECHO is not set
 # CONFIG_CMD_ITEST is not set
 # CONFIG_CMD_SOURCE is not set