arch/cris/boot/rescue/testrescue.S

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Simple testcode to download by the rescue block.
   4  * Just lights some LEDs to show it was downloaded correctly.
   5  *
   6  * Copyright (C) 1999 Axis Communications AB
   7  */
   8
   9 #define ASSEMBLER_MACROS_ONLY
  10 #include <arch/sv_addr_ag.h>
  11
  12         .text
  13
  14         nop
  15         nop
  16         moveq   -1, $r2
  17         move.b  $r2, [R_PORT_PA_DIR]
  18         moveq   0, $r2
  19         move.b  $r2, [R_PORT_PA_DATA]
  20
  21 endless:
  22         nop
  23         ba      endless
  24         nop
  25