root/loader/sx210is/entry.S

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   1     .section .entry
   2 
   3 // Turn OFF SD Card power           
   4 // to support autostart
   5         LDR     R3, =0xC0220018
   6         MOV     R2, #0x44
   7         STR     R2, [R3]
   8         
   9 // looks like idle cycle is required for proper shutdown
  10         MOV     R3, #0xF0000   // increased from 8000 to F0000 for extra delay for sx200 maybe could be 10000 ?
  11 1:
  12         SUB     R3, R3, #1
  13         CMP     R3, #0
  14         BNE     1b
  15 
  16 // ordinary startup...
  17 
  18         MOV     SP, #0x1900
  19         MOV     R11, #0
  20         B       my_restart

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