diff --git a/configs/P1020RDB-PC_36BIT_SPIFLASH_defconfig b/configs/P1020RDB-PC_36BIT_SPIFLASH_defconfig
index 888f9e9..0cb6351 100644
--- a/configs/P1020RDB-PC_36BIT_SPIFLASH_defconfig
+++ b/configs/P1020RDB-PC_36BIT_SPIFLASH_defconfig
@@ -69,3 +69,4 @@
 CONFIG_FSL_ESPI=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
+CONFIG_DM_MMC=y