if ARCH_LM3S

choice 
    prompt "MCU"
    default LM3S6965
config ARCH_LM3S6965
    bool "LM3S6965"
    select FLASH_SIZE_256KB
    select RAM_SIZE_64KB
config ARCH_LM3SVIRT
    bool "LM3S-VIRTUAL"
    select FLASH_SIZE_1MB
    select RAM_SIZE_256KB
endchoice

endif
