board/qualcomm/dragonboard410c/lowlevel_init.S

   1 /*
   2  * (C) Copyright 2016
   3  * Cédric Schieli <cschieli@gmail.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <config.h>
   9
  10 .align 8
  11 .global fw_dtb
  12 fw_dtb:
  13         .dword 0x0
  14
  15 /*
  16  * Routine: save_boot_params (called after reset from start.S)
  17  * Description: save ATAG/FDT address provided by the firmware at boot time
  18  */
  19
  20 .global save_boot_params
  21 save_boot_params:
  22
  23         /* The firmware provided ATAG/FDT address can be found in r2/x0 */
  24         adr     x8, fw_dtb
  25         str     x0, [x8]
  26
  27         /* Returns */
  28         b       save_boot_params_ret