How to flash external flash via Lauterbach

HW design:
  external serial (NOR) flash1 parameter:
  Manufacturer:ISSI flash1 capacity: 64MB, 0000000000h -- 03FFFFFFh
  SPI interface:
    CS0:  P02.4, CS2 of QSPI3, not mounted reserved for second flash
    CS1:  P00.5, CS3 of QSPI3 
    CLK:  P02.7,
    MI:   P02.5, PISEL.MRIS=0
    MO:   P02.6

run following commands in Lauterbach commandline:
command 1: area
  show Lauterbach command execution log
command 2: cd.do <path>\tc37x-spi-prepare.cmm
  this script will setup QSPI, flash driver and test flash access. need to check area windows see if flash identification is correct. if this test failed, need to modify script QSPI_GLOBALCON.TQ to reduce SPI clock frequence.
  By default, SPI run @25MHz (Maxium) 50% duty.
command 3: flashfile.Erase 0x0--0x03FFFFFF
  optional if flash is empty
command 4: flashfile.load D:\Download\xxx.bin 0x0
  load binary file to flash
command 5: flashfile.load D:\Download\xxx.bin 0x0 /compare
  check data integrity.