mtd-xip.h

来自「LINUX 2.6.17.4的源码」· C头文件 代码 · 共 27 行

/*
 * MTD primitives for XIP support. Architecture specific functions
 *
 * Do not include this file directly. It's included from linux/mtd/xip.h
 * 
 * Author:	Nicolas Pitre
 * Created:	Nov 2, 2004
 * Copyright:	(C) 2004 MontaVista Software, Inc.
 *
 * 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.
 *
 * $Id: xip.h,v 1.2 2004/12/01 15:49:10 nico Exp $
 */

#ifndef __ARCH_SA1100_MTD_XIP_H__
#define __ARCH_SA1100_MTD_XIP_H__

#define xip_irqpending()	(ICIP & ICMR)

/* we sample OSCR and convert desired delta to usec (1/4 ~= 1000000/3686400) */
#define xip_currtime()		(OSCR)
#define xip_elapsed_since(x)	(signed)((OSCR - (x)) / 4)

#endif /* __ARCH_SA1100_MTD_XIP_H__ */