mtd-xip.h 822 B

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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. * $Id: mtd-xip.h,v 1.1.1.1 2007/06/12 07:27:14 eyryu Exp $
  15. */
  16. #ifndef __ARCH_SA1100_MTD_XIP_H__
  17. #define __ARCH_SA1100_MTD_XIP_H__
  18. #define xip_irqpending() (ICIP & ICMR)
  19. /* we sample OSCR and convert desired delta to usec (1/4 ~= 1000000/3686400) */
  20. #define xip_currtime() (OSCR)
  21. #define xip_elapsed_since(x) (signed)((OSCR - (x)) / 4)
  22. #endif /* __ARCH_SA1100_MTD_XIP_H__ */