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Diffstat (limited to 'c/src/lib/libbsp/powerpc/ppcn_60x/clock/clock.c')
-rw-r--r--c/src/lib/libbsp/powerpc/ppcn_60x/clock/clock.c224
1 files changed, 0 insertions, 224 deletions
diff --git a/c/src/lib/libbsp/powerpc/ppcn_60x/clock/clock.c b/c/src/lib/libbsp/powerpc/ppcn_60x/clock/clock.c
deleted file mode 100644
index c40b1d30ca..0000000000
--- a/c/src/lib/libbsp/powerpc/ppcn_60x/clock/clock.c
+++ /dev/null
@@ -1,224 +0,0 @@
-/*
- * Clock Tick Device Driver
- *
- * This routine utilizes the Decrementer Register common to the PPC family.
- *
- * The tick frequency is directly programmed to the configured number of
- * microseconds per tick.
- *
- * COPYRIGHT (c) 1989-1997.
- * On-Line Applications Research Corporation (OAR).
- *
- * The license and distribution terms for this file may 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 <assert.h>
-
-/*
- * The Real Time Clock Counter Timer uses this trap type.
- */
-
-#define CLOCK_VECTOR PPC_IRQ_DECREMENTER
-
-/*
- * Clock ticks since initialization
- */
-
-volatile uint32_t Clock_driver_ticks;
-
-/*
- * This is the value programmed into the count down timer.
- */
-
-uint32_t Clock_Decrementer_value;
-
-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;
-
-/*
- * Clock_isr
- *
- * This is the clock tick interrupt handler.
- *
- * Input parameters:
- * vector - vector number
- *
- * Output parameters: NONE
- *
- * Return values: NONE
- *
- */
-rtems_isr Clock_isr(
- rtems_vector_number vector,
- CPU_Interrupt_frame *frame
-)
-{
- /*
- * Set the decrementer.
- */
-
- PPC_Set_decrementer( Clock_Decrementer_value );
-
- /*
- * The driver has seen another tick.
- */
-
- Clock_driver_ticks += 1;
-
- /*
- * Real Time Clock counter/timer is set to automatically reload.
- */
-
- rtems_clock_tick();
-}
-
-/*
- * Install_clock
- *
- * This routine actually performs the hardware initialization for the clock.
- *
- * Input parameters:
- * clock_isr - clock interrupt service routine entry point
- *
- * Output parameters: NONE
- *
- * Return values: NONE
- *
- */
-
-extern int CLOCK_SPEED;
-
-void Install_clock(
- rtems_isr_entry clock_isr
-)
-{
- Clock_driver_ticks = 0;
-
- Old_ticker = (rtems_isr_entry) set_vector( clock_isr, CLOCK_VECTOR, 1 );
-
- PPC_Set_decrementer( Clock_Decrementer_value );
-
- atexit( Clock_exit );
-}
-
-/*
- * Clock_exit
- *
- * This routine allows the clock driver to exit by masking the interrupt and
- * disabling the clock's counter.
- *
- * Input parameters: NONE
- *
- * Output parameters: NONE
- *
- * Return values: NONE
- *
- */
-
-void Clock_exit( void )
-{
- /* nothing to do */;
-
- /* do not restore old vector */
-}
-
-/*
- * Clock_initialize
- *
- * This routine initializes the clock driver.
- *
- * Input parameters:
- * major - clock device major number
- * minor - clock device minor number
- * parg - pointer to optional device driver arguments
- *
- * Output parameters: NONE
- *
- * Return values:
- * rtems_device_driver status code
- */
-
-rtems_device_driver Clock_initialize(
- rtems_device_major_number major,
- rtems_device_minor_number minor,
- void *pargp
-)
-{
- Clock_Decrementer_value = (ulCpuBusClock/4000)*
- (BSP_Configuration.microseconds_per_tick/1000);
-
- Install_clock((rtems_isr_entry)Clock_isr);
-
- /*
- * make major/minor avail to others such as shared memory driver
- */
-
- rtems_clock_major = major;
- rtems_clock_minor = minor;
-
- return RTEMS_SUCCESSFUL;
-}
-
-/*
- * Clock_control
- *
- * This routine is the clock device driver control entry point.
- *
- * Input parameters:
- * major - clock device major number
- * minor - clock device minor number
- * parg - pointer to optional device driver arguments
- *
- * Output parameters: NONE
- *
- * Return values:
- * rtems_device_driver status code
- */
-
-rtems_device_driver Clock_control(
- rtems_device_major_number major,
- rtems_device_minor_number minor,
- void *pargp
-)
-{
- uint32_t 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, pargp );
- }
- 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;
-}