diff --git a/configs/zmx25_defconfig b/configs/zmx25_defconfig
index 02acb11..60f0efd 100644
--- a/configs/zmx25_defconfig
+++ b/configs/zmx25_defconfig
@@ -23,6 +23,9 @@
 CONFIG_ENV_IS_IN_FLASH=y
 # CONFIG_MMC is not set
 CONFIG_MTD_NOR_FLASH=y
+CONFIG_FLASH_CFI_DRIVER=y
+CONFIG_SYS_FLASH_USE_BUFFER_WRITE=y
+CONFIG_SYS_FLASH_CFI=y
 CONFIG_MII=y
 CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y