1CONFIG_ARC=y 2CONFIG_ISA_ARCV2=y 3CONFIG_TARGET_AXS101=y 4CONFIG_SYS_CLK_FREQ=50000000 5CONFIG_NETDEVICES=y 6CONFIG_SYS_TEXT_BASE=0x81000000 7CONFIG_CMD_NET=y 8CONFIG_ETH_DESIGNWARE=y 9