nor flash,but have -o flash.o flash.c -c
flash.c:46:1: warning: "MEM_FLASH_ADDR1" redefined
flash.c:30:1: warning: this is the location of the previous definition
flash.c: In function flash_erase:
flash.c:263: warning: label outahere defined but not used
flash.c:188: warning: unused variable chip
flash.c:185: warning: unused variable result
flash.c: In function write_hword:
flash.c:286: warning: unused variable chip

Signed-off-by: baron <baron@163.com>