mtd-xip.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * MTD primitives for XIP support. Architecture specific functions
 4 *
 5 * Do not include this file directly. It's included from linux/mtd/xip.h
 6 * 
 7 * Author:	Nicolas Pitre
 8 * Created:	Nov 2, 2004
 9 * Copyright:	(C) 2004 MontaVista Software, Inc.
10 */
11
12#ifndef __ARCH_SA1100_MTD_XIP_H__
13#define __ARCH_SA1100_MTD_XIP_H__
14
15#include <mach/hardware.h>
16
17#define xip_irqpending()	(ICIP & ICMR)
18
19/* we sample OSCR and convert desired delta to usec (1/4 ~= 1000000/3686400) */
20#define xip_currtime()		readl_relaxed(OSCR)
21#define xip_elapsed_since(x)	(signed)((readl_relaxed(OSCR) - (x)) / 4)
22
23#endif /* __ARCH_SA1100_MTD_XIP_H__ */