1 files changed, 77 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/i960/cvme961/clock/ckinit.c b/c/src/lib/libbsp/i960/cvme961/clock/ckinit.c
new file mode 100644
index 0000000000..315e02cdbb
--- /dev/null
+++ b/c/src/lib/libbsp/i960/cvme961/clock/ckinit.c
@@ -0,0 +1,77 @@
+/*  Clock_init()
+ *
+ *  This routine initializes the timer on the VIC chip on the CVME961.
+ *  The tick frequency is 1 millisecond.
+ *
+ *  Input parameters:  NONE
+ *
+ *  Output parameters:  NONE
+ *
+ *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
+ *  On-Line Applications Research Corporation (OAR).
+ *  All rights assigned to U.S. Government, 1994.
+ *
+ *  This material may be reproduced by or for the U.S. Government pursuant
+ *  to the copyright license under the clause at DFARS 252.227-7013.  This
+ *  notice must appear in all copies of this file and its derivatives.
+ *
+ *  $Id$
+ */
+
+#include <stdlib.h>
+
+#include <rtems.h>
+#include <bsp.h>
+#include <clockdrv.h>
+
+rtems_unsigned32 Clock_isrs;              /* ISRs until next tick */
+i960_isr         Old_ticker;
+volatile rtems_unsigned32 Clock_driver_ticks;
+                                          /* ticks since initialization */
+
+rtems_device_driver Clock_initialize(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *pargp,
+  rtems_id id,
+  rtems_unsigned32 *rval )
+{
+  Install_clock( Clock_isr );
+  atexit( Clock_exit );
+}
+
+void ReInstall_clock(
+  rtems_isr_entry clock_isr
+)
+{
+   (void) set_vector( clock_isr, 5, 1 );
+}
+
+void Install_clock(
+  rtems_isr_entry clock_isr
+)
+{
+  volatile unsigned char *victimer;
+
+  Clock_driver_ticks = 0;
+  Clock_isrs = BSP_Configuration.microseconds_per_tick / 1000;
+
+  if ( BSP_Configuration.ticks_per_timeslice ) {
+    Old_ticker = set_vector( clock_isr, 5, 1 );
+    victimer = (volatile unsigned char *) 0xa00000c3;
+    *victimer = 0x12;
+    *victimer = 0x92;      /* 1000 HZ */
+  }
+}
+
+void Clock_exit()
+{
+  unsigned char *victimer;
+
+  if ( BSP_Configuration.ticks_per_timeslice ) {
+    victimer = (unsigned char *) 0xa00000c3;
+    *victimer = 0x12;
+    i960_mask_intr( 5 );
+    /* do not restore old vector */
+  }
+}