1. 根目录:
2. arch
3. arm
4. mach-orion5x
5. include
6. mach
7. io.h

/*
 * arch/arm/mach-orion5x/include/mach/io.h
 *
 * Tzachi Perelstein <tzachi@marvell.com>
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2.  This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */

#ifndef __ASM_ARCH_IO_H
#define __ASM_ARCH_IO_H

#include "orion5x.h"

#define IO_SPACE_LIMIT		0xffffffff

#define __io(a)			__typesafe_io(a)
#define __mem_pci(a)		(a)


/*****************************************************************************
 * Helpers to access Orion registers
 ****************************************************************************/
/*
 * These are not preempt-safe.  Locks, if needed, must be taken
 * care of by the caller.
 */
#define orion5x_setbits(r, mask)	writel(readl(r) | (mask), (r))
#define orion5x_clrbits(r, mask)	writel(readl(r) & ~(mask), (r))


#endif