arch/arm/cpu/arm_intcm/cpu.c

   1 /*
   2  * (C) Copyright 2002
   3  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
   4  * Marius Groeger <mgroeger@sysgo.de>
   5  *
   6  * (C) Copyright 2002
   7  * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
   8  *
   9  * SPDX-License-Identifier:     GPL-2.0+
  10  */
  11
  12 /*
  13  * CPU specific code for an unknown cpu
  14  * - hence fairly empty......
  15  */
  16
  17 #include <common.h>
  18 #include <command.h>
  19
  20 int cleanup_before_linux (void)
  21 {
  22         /*
  23          * this function is called just before we call linux
  24          * it prepares the processor for linux
  25          *
  26          * we turn off caches etc ...
  27          */
  28
  29         disable_interrupts ();
  30
  31         /* Since the CM has unknown processor we do not support
  32          * cache operations
  33          */
  34
  35         return (0);
  36 }