diff --git a/configs/P1021RDB-PC_SDCARD_defconfig b/configs/P1021RDB-PC_SDCARD_defconfig
index 4c49da3..ebd6b4c 100644
--- a/configs/P1021RDB-PC_SDCARD_defconfig
+++ b/configs/P1021RDB-PC_SDCARD_defconfig
@@ -47,6 +47,8 @@
 CONFIG_FLASH_CFI_MTD=y
 CONFIG_SYS_FLASH_CFI=y
 CONFIG_SPI_FLASH=y
+CONFIG_SF_DEFAULT_MODE=0
+CONFIG_SF_DEFAULT_SPEED=10000000
 CONFIG_SPI_FLASH_SPANSION=y
 CONFIG_PHY_MARVELL=y
 CONFIG_PHY_GIGE=y