summaryrefslogtreecommitdiff
path: root/arch/arm/mach-sa1100/include/mach/mtd-xip.h
blob: cb76096a2e36b4ea4ccf02f983244a97919ff243 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
/*
 * 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.
 */

#ifndef __ARCH_SA1100_MTD_XIP_H__
#define __ARCH_SA1100_MTD_XIP_H__

#include <mach/hardware.h>

#define xip_irqpending()	(ICIP & ICMR)

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

#endif /* __ARCH_SA1100_MTD_XIP_H__ */