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Diffstat (limited to 'c/src/lib/libbsp/m68k/efi332/clock/ckinit.c')
-rw-r--r--c/src/lib/libbsp/m68k/efi332/clock/ckinit.c129
1 files changed, 0 insertions, 129 deletions
diff --git a/c/src/lib/libbsp/m68k/efi332/clock/ckinit.c b/c/src/lib/libbsp/m68k/efi332/clock/ckinit.c
deleted file mode 100644
index b32a660542..0000000000
--- a/c/src/lib/libbsp/m68k/efi332/clock/ckinit.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/* Clock_init()
- *
- * This routine initailizes the periodic interrupt timer on
- * the Motorola 68332.
- *
- * Input parameters: NONE
- *
- * Output parameters: NONE
- *
- * 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.com/license/LICENSE.
- *
- * $Id$
- */
-
-#include <stdlib.h>
-#include <bsp.h>
-#include <rtems/libio.h>
-#include <efi332.h>
-
-#define CLOCK_VECTOR EFI_PIV
-
-rtems_unsigned32 Clock_isrs; /* ISRs until next tick */
-volatile rtems_unsigned32 Clock_driver_ticks;
- /* ticks since initialization */
-rtems_isr_entry Old_ticker;
-
-void Clock_exit( void );
-
-/*
- * These are set by clock driver during its init
- */
-
-rtems_device_major_number rtems_clock_major = ~0;
-rtems_device_minor_number rtems_clock_minor;
-
-rtems_isr Clock_isr(rtems_vector_number vector)
-{
- Clock_driver_ticks += 1;
-
- if ( Clock_isrs == 1 ) {
- rtems_clock_tick();
- Clock_isrs = BSP_Configuration.microseconds_per_tick / 1000;
- }
- else
- Clock_isrs -= 1;
-}
-
-void Install_clock(
- rtems_isr_entry clock_isr
-)
-{
- Clock_driver_ticks = 0;
- Clock_isrs = BSP_Configuration.microseconds_per_tick / 1000;
-
- Old_ticker = (rtems_isr_entry) set_vector( clock_isr, CLOCK_VECTOR, 1 );
-
- /* enable 1mS interrupts */
- *PITR = (unsigned short int)( SAM(0x09,0,PITM) );/* load counter */
- *PICR = (unsigned short int) /* enable interrupt */
- ( SAM(ISRL_PIT,8,PIRQL) | SAM(CLOCK_VECTOR,0,PIV) );
-
- atexit( Clock_exit );
-}
-
-void Clock_exit( void )
-{
- /* shutdown the periodic interrupt */
- *PICR = (unsigned short int)
- ( SAM(0,8,PIRQL) | SAM(CLOCK_VECTOR,0,PIV) );
- /* ^^ zero disables interrupt */
-
- /* do not restore old vector */
-}
-
-rtems_device_driver Clock_initialize(
- rtems_device_major_number major,
- rtems_device_minor_number minor,
- void *pargp
-)
-{
- Install_clock( Clock_isr );
-
- /*
- * make major/minor avail to others such as shared memory driver
- */
-
- rtems_clock_major = major;
- rtems_clock_minor = minor;
-
- return RTEMS_SUCCESSFUL;
-}
-
-rtems_device_driver Clock_control(
- rtems_device_major_number major,
- rtems_device_minor_number minor,
- void *pargp
-)
-{
- rtems_unsigned32 isrlevel;
- rtems_libio_ioctl_args_t *args = pargp;
-
- if (args == 0)
- goto done;
-
- /*
- * This is hokey, but until we get a defined interface
- * to do this, it will just be this simple...
- */
-
- if (args->command == rtems_build_name('I', 'S', 'R', ' '))
- {
- Clock_isr(CLOCK_VECTOR);
- }
- else if (args->command == rtems_build_name('N', 'E', 'W', ' '))
- {
- rtems_interrupt_disable( isrlevel );
- (void) set_vector( args->buffer, CLOCK_VECTOR, 1 );
- rtems_interrupt_enable( isrlevel );
- }
-
-done:
- return RTEMS_SUCCESSFUL;
-}
-