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mtd-xip.h
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1 /*
2  * MTD primitives for XIP support. Architecture specific functions
3  *
4  * Do not include this file directly. It's included from linux/mtd/xip.h
5  *
6  * Author: Nicolas Pitre
7  * Created: Nov 2, 2004
8  * Copyright: (C) 2004 MontaVista Software, Inc.
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13  */
14 
15 #ifndef __ARCH_SA1100_MTD_XIP_H__
16 #define __ARCH_SA1100_MTD_XIP_H__
17 
18 #include <mach/hardware.h>
19 
20 #define xip_irqpending() (ICIP & ICMR)
21 
22 /* we sample OSCR and convert desired delta to usec (1/4 ~= 1000000/3686400) */
23 #define xip_currtime() (OSCR)
24 #define xip_elapsed_since(x) (signed)((OSCR - (x)) / 4)
25 
26 #endif /* __ARCH_SA1100_MTD_XIP_H__ */