firmware/target/arm/imx31/gigabeat-s/mmu-imx31.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2007 by Will Robertson
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include "cpu.h"
  22 #include "mmu-imx31.h"
  23 #include "mmu-arm.h"
  24
  25 unsigned long addr_virt_to_phys(unsigned long addr)
  26 {
  27     return addr | CSD0_BASE_ADDR;
  28 }
  29
  30 unsigned long addr_phys_to_virt(unsigned long addr)
  31 {
  32     return addr & ~CSD0_BASE_ADDR;
  33 }