-CONFIG_SYS_EXTRA_OPTIONS="MMC_BOOT_SIZE=1024,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="MMC_BOOT_SIZE=4096,SECURE_BOOT"
CONFIG_ARM=y
CONFIG_ARCH_MX6=y
CONFIG_TARGET_TX6=y
CONFIG_NETDEVICES=y
CONFIG_PHY_SMSC=y
CONFIG_SYS_PROMPT="TX6Q U-Boot > "
+CONFIG_SYS_SDRAM_CHIP_SIZE=512