usually at least one of them exists. Either of them is supported
in U-Boot.
+config AG101P_TIMER
+ bool "AG101P timer support"
+ depends on TIMER && NDS32
+ help
+ Select this to enable a timer for AG01P devices.
+
+config AE3XX_TIMER
+ bool "AE3XX timer support"
+ depends on TIMER && NDS32
+ help
+ Select this to enable a timer for AE3XX devices.
+
endmenu