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-rw-r--r--c/src/lib/libbsp/m68k/efi68k/clock/ckinit.c150
1 files changed, 0 insertions, 150 deletions
diff --git a/c/src/lib/libbsp/m68k/efi68k/clock/ckinit.c b/c/src/lib/libbsp/m68k/efi68k/clock/ckinit.c
deleted file mode 100644
index 6640e6e0c9..0000000000
--- a/c/src/lib/libbsp/m68k/efi68k/clock/ckinit.c
+++ /dev/null
@@ -1,150 +0,0 @@
-/* Clock_init()
- *
- * This routine initializes the DP8570A periodic interrupt on the
- * efi68k board. The tick frequency is 1 millisecond.
- *
- * 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 <DP8570A.h>
-
-#define CLOCK_VECTOR (TCP_ISR_LEVEL+24)
-
-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;
-
-
-void per_interrupt(void)
-{
- Clock_driver_ticks += 1;
-
- *MSR = PER;
-
- if ( Clock_isrs == 1 ) {
- rtems_clock_tick();
- Clock_isrs = BSP_Configuration.microseconds_per_tick / 1000;
- }
- else
- Clock_isrs -= 1;
-}
-
-rtems_isr Clock_isr(
- rtems_vector_number vector
-)
-{
- unsigned char entry_msr, msr;
-
- entry_msr = *MSR;
- *MSR = 0;
- while ( (msr=*MSR) & INT )
- /* test enabled interrupt bits */
- if (msr & PER)
- per_interrupt();
- else if (msr & T0) {
- *MSR = T0; /* reset interrupt */
- Timer_interrupts++; /* inc wrap around counter */
- }
- else
- /* there has been an error if we reach this point */
- /* default action: reset all the interrupts */
- *MSR = ( PER | AL | T0 | T1 );
- *MSR = entry_msr & (RS | PS);
-}
-
-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 );
-
- *MSR = RS; /* enable 1mS interrupts */
- *ICR0 |= OME;
-
- atexit( Clock_exit );
-}
-
-void Clock_exit( void )
-{
- /* shutdown periodic interrupt */
- *MSR = RS;
- *ICR0 &= 0xc0;
- /* 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;
-}