summaryrefslogtreecommitdiffstats
path: root/c/src/lib/libbsp/m68k/mvme147/clock/ckinit.c
diff options
context:
space:
mode:
Diffstat (limited to 'c/src/lib/libbsp/m68k/mvme147/clock/ckinit.c')
-rw-r--r--c/src/lib/libbsp/m68k/mvme147/clock/ckinit.c82
1 files changed, 0 insertions, 82 deletions
diff --git a/c/src/lib/libbsp/m68k/mvme147/clock/ckinit.c b/c/src/lib/libbsp/m68k/mvme147/clock/ckinit.c
deleted file mode 100644
index ce88255593..0000000000
--- a/c/src/lib/libbsp/m68k/mvme147/clock/ckinit.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * This routine initializes the Tick Timer 2 on the MVME147 board.
- * The tick frequency is 1 millisecond.
- */
-
-/*
- * COPYRIGHT (c) 1989-1999.
- * On-Line Applications Research Corporation (OAR).
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- *
- * MVME147 port for TNI - Telecom Bretagne
- * by Dominique LE CAMPION (Dominique.LECAMPION@enst-bretagne.fr)
- * May 1996
- */
-
-#include <stdlib.h>
-
-#include <bsp.h>
-#include <rtems/clockdrv.h>
-
-#define MS_COUNT 65376 /* 1ms */
-/* MS_COUNT = 0x10000 - 1e-3/6.25e-6 */
-#define CLOCK_INT_LEVEL 6 /* T2's interrupt level */
-
-uint32_t Clock_isrs; /* ISRs until next tick */
-volatile uint32_t Clock_driver_ticks; /* ticks since initialization */
-rtems_isr_entry Old_ticker;
-
-void Clock_exit( void );
-
-/*
- * ISR Handler
- */
-static rtems_isr Clock_isr(rtems_vector_number vector)
-{
- Clock_driver_ticks += 1;
- pcc->timer2_int_control |= 0x80; /* Acknowledge interr. */
-
- if (Clock_isrs == 1) {
- rtems_clock_tick();
- Clock_isrs = rtems_configuration_get_microseconds_per_tick() / 1000;
- }
- else
- Clock_isrs -= 1;
-}
-
-static void Install_clock(rtems_isr_entry clock_isr )
-{
-
- Clock_driver_ticks = 0;
- Clock_isrs = rtems_configuration_get_microseconds_per_tick() / 1000;
-
- Old_ticker = (rtems_isr_entry) set_vector( clock_isr, TIMER_2_VECTOR, 1 );
-
- pcc->timer2_int_control = 0x00; /* Disable T2 Interr. */
- pcc->timer2_preload = MS_COUNT;
- /* write preload value */
- pcc->timer2_control = 0x07; /* clear T2 overflow counter, enable counter */
- pcc->timer2_int_control = CLOCK_INT_LEVEL|0x08;
- /* Enable Timer 2 and set its int. level */
-
- atexit( Clock_exit );
-}
-
-void Clock_exit( void )
-{
- pcc->timer2_int_control = 0x00; /* Disable T2 Interr. */
-}
-
-rtems_device_driver Clock_initialize(
- rtems_device_major_number major,
- rtems_device_minor_number minor,
- void *pargp
-)
-{
- Install_clock( Clock_isr );
-
- return RTEMS_SUCCESSFUL;
-}