tools/misc/arm/erase2.S

   1
   2 .text
   3
   4 start:
   5         mov     r1, #0x50000000
   6         orr     r1, r1, #0x00020000
   7         mov     r2, #0x20
   8         orr     r2, r2, #0x2000
   9         strh    r2, [r1]
  10         mov     r2, #0xd0
  11         orr     r2, r2, #0xd000
  12         strh    r2, [r1]
  13
  14         mov     r2, #0xff
  15         orr     r2, r2, #0xff00
  16         strh    r2, [r1]