linux-sg2042/include/asm-arm/arch-sa1100/mtd-xip.h

27 lines
813 B
C

/*
* 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__ */