Subversion Repositories openrisc_me

/*

 *  Clock Tick Device Driver

 *

 *  This routine utilizes the Decrementer Register common to the PPC family.

 *

 *  The tick frequency is directly programmed to the configured number of

 *  microseconds per tick.

 *

 *  COPYRIGHT (c) 1989-1997.

 *  On-Line Applications Research Corporation (OAR).

 *  Copyright assigned to U.S. Government, 1994.

 *

 *  The license and distribution terms for this file may in

 *  the file LICENSE in this distribution or at

 *  http://www.OARcorp.com/rtems/license.html.

 *

 *  Modified to support the MPC750.

 *  Modifications Copyright (c) 1999 Eric Valette valette@crf.canon.fr

 *

 *  $Id: c_clock.h,v 1.2 2001-09-27 12:01:24 chris Exp $

 */

#ifndef _LIB_LIBCPU_C_CLOCK_H

#define _LIB_LIBCPU_C_CLOCK_H

#include <rtems.h>

#include <bsp.h>

/*

 * Theses functions and variables represent the API exported by the CPU to the BSP

 */

extern void clockOff    (void* unused);

extern void clockOn     (void* unused);

extern void clockIsr    (void);

extern int  clockIsOn   (void* unused);

#endif