arch/arm/mach-sa1100/include/mach/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__ */