+CONFIG_DEFAULT_DEVICE_TREE="M54455EVB_stm33"
+CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_USE_ENV_SPI_CS=y
+CONFIG_ENV_SPI_CS=1
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_MTD_NOR_FLASH=y
+CONFIG_FLASH_CFI_DRIVER=y
+CONFIG_SYS_FLASH_USE_BUFFER_WRITE=y
+CONFIG_SYS_FLASH_PROTECTION=y
+CONFIG_SYS_FLASH_CFI=y