xref: /linux/arch/arm/mach-sa1100/include/mach/mtd-xip.h (revision bb9707077b4ee5f77bc9939b057ff8a0d410296f)
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__ */
27