1CONFIG_SYS_TEXT_BASE=0x60000000 2CONFIG_BOOTCOMMAND="setenv ipaddr 10.0.2.15 && setenv serverip 10.0.2.2 && tftp ${kernel_addr_r} zImage && tftp ${ramdisk_addr_r} rootfs.cpio.uboot && setenv bootargs console=ttyAMA0,115200 earlyprintk=serial,ttyAMA0,115200 && bootz ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr}" 3CONFIG_SEMIHOSTING=y 4# Drop flash accesses 5CONFIG_ENV_IS_IN_FLASH=n 6CONFIG_MTD=n 7CONFIG_MTD_NOR_FLASH=n 8CONFIG_ENV_IS_NOWHERE=y 9