New file. Added as part of adding a formal API to this object.

c/src/lib/libcpu/powerpc/mpc750/clock/c_clock.h

@@ -0,0 +1,54 @@
+/*
+ *  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
+ *
+ *  $Id$
+ */
+
+#ifndef _LIB_LIBCPU_C_CLOCK_H
+#define _LIB_LIBCPU_C_CLOCK_H
+
+#include <rtems.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);
+
+/*
+ * Theses functions and variables represent the expected API nedeed by the CPU
+ * NOTE for JOEL : I would prefer to have an include of <bsp.h> as it would
+ * materialize the API (and providing a default bsp.h) could formalize the
+ * (generic + cpu_familly + cpu_specific)/ BSP interface.
+ */
+extern rtems_configuration_table  	BSP_Configuration;
+extern unsigned int 			BSP_bus_frequency;
+
+extern int BSP_disconnect_clock_handler (void);
+extern int BSP_connect_clock_handler (void);
+extern int printk(const char *, ...) __attribute__((format(printf, 1, 2)));
+
+#endif
+
+
+
+
+