firmware/target/arm/rk27xx/system-target.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2008 Rafaël Carré
  11  * Copyright (C) 2011 Marcin Bukat
  12  *
  13  * This program is free software; you can redistribute it and/or
  14  * modify it under the terms of the GNU General Public License
  15  * as published by the Free Software Foundation; either version 2
  16  * of the License, or (at your option) any later version.
  17  *
  18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  19  * KIND, either express or implied.
  20  *
  21  ****************************************************************************/
  22 #ifndef SYSTEM_TARGET_H
  23 #define SYSTEM_TARGET_H
  24
  25 #include "system-arm.h"
  26 #include "panic.h"
  27
  28 void udelay(unsigned usecs);
  29 static inline void mdelay(unsigned msecs)
  30 {
  31     udelay(1000 * msecs);
  32 }
  33
  34 /* this needs more testing */
  35 static inline void core_sleep(void)
  36 {
  37     enable_irq();
  38     SCU_CPUPD = 0xdeedbabe;
  39 }
  40
  41 #define CPUFREQ_NORMAL 200000000
  42 #define CPUFREQ_MAX    200000000
  43
  44 #endif /* SYSTEM_TARGET_H */