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Diffstat (limited to 'c/src/lib/libbsp/m68k/gen68340/clock/ckinit.c')
-rw-r--r--c/src/lib/libbsp/m68k/gen68340/clock/ckinit.c104
1 files changed, 0 insertions, 104 deletions
diff --git a/c/src/lib/libbsp/m68k/gen68340/clock/ckinit.c b/c/src/lib/libbsp/m68k/gen68340/clock/ckinit.c
deleted file mode 100644
index e099d91fb6..0000000000
--- a/c/src/lib/libbsp/m68k/gen68340/clock/ckinit.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * This routine initializes the MC68340/349 Periodic Interval Timer
- */
-
-/*
- * Based on the `gen68360' board support package, and covered by the
- * original distribution terms.
- *
- * Geoffroy Montel
- * France Telecom - CNET/DSM/TAM/CAT
- * 4, rue du Clos Courtel
- * 35512 CESSON-SEVIGNE
- * FRANCE
- *
- * e-mail: g_montel@yahoo.com
- */
-
-/*
- * COPYRIGHT (c) 1989-2014.
- * 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.
- */
-
-#include <stdlib.h> /* for atexit() */
-#include <bsp.h>
-#include <m68340.h>
-#include <rtems/clockdrv.h>
-
-#define CLOCK_VECTOR 120 /* clock isr routine vector in the vbr */
-#define CLOCK_IRQ_LEVEL 6 /* clock isr level */
-
-/*
- * Clock_driver_ticks is a monotonically increasing counter of the
- * number of clock ticks since the driver was initialized.
- */
-volatile uint32_t Clock_driver_ticks;
-
-/*
- * Periodic interval timer interrupt handler
- */
-static rtems_isr
-Clock_isr (rtems_vector_number vector)
-{
- /*
- * Announce the clock tick
- */
- Clock_driver_ticks++;
- rtems_clock_tick();
-}
-
-void
-Clock_exit (void)
-{
- /*
- * Turn off periodic interval timer
- */
- SIMPITR = 0;
-}
-
-static void
-Install_clock (rtems_isr_entry clock_isr)
-{
- uint32_t pitr_tmp;
- uint32_t usecs_per_tick;
-
- Clock_driver_ticks = 0;
-
- set_vector (clock_isr, CLOCK_VECTOR, 1);
-
- /* sets the Periodic Interrupt Control Register PICR */
- SIMPICR = ( CLOCK_IRQ_LEVEL << 8 ) | ( CLOCK_VECTOR );
-
- /* sets the PITR count value */
- /* this assumes a 32.765 kHz crystal */
-
- usecs_per_tick = rtems_configuration_get_microseconds_per_tick();
- /* find out whether prescaler should be enabled or not */
- if ( usecs_per_tick <= 31128 ) {
- pitr_tmp = ( usecs_per_tick * 8192 ) / 1000000 ;
- } else {
- pitr_tmp = ( usecs_per_tick / 1000000 ) * 16;
- /* enable it */
- pitr_tmp |= 0x100;
- }
-
- SIMPITR = (unsigned char) pitr_tmp;
-
- atexit (Clock_exit);
-}
-
-rtems_device_driver
-Clock_initialize(
- rtems_device_major_number major,
- rtems_device_minor_number minor,
- void *pargp
-)
-{
- Install_clock (Clock_isr);
-
- return RTEMS_SUCCESSFUL;
-}