Logo Search packages:      
Sourcecode: linux version File versions  Download package

io.h

/*
 *  Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
 */

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef __ASM_ARCH_MXC_IO_H__
#define __ASM_ARCH_MXC_IO_H__

/* Allow IO space to be anywhere in the memory */
#define IO_SPACE_LIMIT 0xffffffff

#ifdef CONFIG_ARCH_MX3
#define __arch_ioremap __mx3_ioremap
#define __arch_iounmap __iounmap

static inline void __iomem *
__mx3_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
{
      if (mtype == MT_DEVICE) {
            /* Access all peripherals below 0x80000000 as nonshared device
             * but leave l2cc alone.
             */
            if ((phys_addr < 0x80000000) && ((phys_addr < 0x30000000) ||
                  (phys_addr >= 0x30000000 + SZ_1M)))
                  mtype = MT_DEVICE_NONSHARED;
      }

      return __arm_ioremap(phys_addr, size, mtype);
}
#endif

/* io address mapping macro */
#define __io(a)         __typesafe_io(a)

#define __mem_pci(a)    (a)

#endif

Generated by  Doxygen 1.6.0   Back to index