bsps/powerpc: Move dec clock driver to bsps

This patch is a part of the BSP source reorganization.

Update #3285.

2 files changed, 0 insertions, 281 deletions

diff --git a/c/src/lib/libcpu/powerpc/Makefile.am b/c/src/lib/libcpu/powerpc/Makefile.am
index f61524f496..1c15f2cc59 100644
--- a/c/src/lib/libcpu/powerpc/Makefile.am
+++ b/c/src/lib/libcpu/powerpc/Makefile.am
@@ -40,13 +40,6 @@ if ppc405
 endif # ppc405
 
 if mpc6xx
-
-# mpc6xx/clock
-noinst_PROGRAMS += mpc6xx/clock.rel
-mpc6xx_clock_rel_SOURCES = mpc6xx/clock/c_clock.c mpc6xx/clock/c_clock.h
-mpc6xx_clock_rel_CPPFLAGS = $(AM_CPPFLAGS)
-mpc6xx_clock_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
-
 # mpc6xx/altivec
 noinst_PROGRAMS += mpc6xx/altivec.rel
 mpc6xx_altivec_rel_SOURCES = mpc6xx/altivec/vec_sup.c mpc6xx/altivec/vec_sup_asm.S
@@ -55,12 +48,4 @@ mpc6xx_altivec_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
 endif
 EXTRA_DIST      += mpc6xx/altivec/README
 
-# e500/clock
-if e500_clock
-noinst_PROGRAMS += e500/clock.rel
-e500_clock_rel_SOURCES = mpc6xx/clock/c_clock.c mpc6xx/clock/c_clock.h
-e500_clock_rel_CPPFLAGS = $(AM_CPPFLAGS)
-e500_clock_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
-endif
-
 include $(top_srcdir)/../../../automake/local.am
diff --git a/c/src/lib/libcpu/powerpc/mpc6xx/clock/c_clock.c b/c/src/lib/libcpu/powerpc/mpc6xx/clock/c_clock.c
deleted file mode 100644
index c9bb16c451..0000000000
--- a/c/src/lib/libcpu/powerpc/mpc6xx/clock/c_clock.c
+++ /dev/null
@@ -1,266 +0,0 @@
-/**
- *  @brief 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) 1989-2014.
- *  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.org/license/LICENSE.
- *
- *  Modified to support the MPC750.
- *  Modifications Copyright (c) 1999 Eric Valette valette@crf.canon.fr
- */
-
-#include <rtems.h>
-#include <rtems/libio.h>
-#include <rtems/clockdrv.h>
-#include <stdlib.h>                     /* for atexit() */
-#include <assert.h>
-#include <libcpu/c_clock.h>
-#include <libcpu/cpuIdent.h>
-#include <libcpu/spr.h>
-#include <rtems/bspIo.h>                /* for printk() */
-#include <libcpu/powerpc-utility.h>
-#include <rtems/timecounter.h>
-#include <rtems/score/percpu.h>
-
-#include <bspopts.h>   /* for CLOCK_DRIVER_USE_FAST_IDLE */
-
-SPR_RW(BOOKE_TCR)
-SPR_RW(BOOKE_TSR)
-SPR_RW(BOOKE_DECAR)
-
-extern int BSP_connect_clock_handler (void);
-
-/*
- *  Clock ticks since initialization
- */
-volatile uint32_t   Clock_driver_ticks;
-
-/*
- *  This is the value programmed into the count down timer.
- */
-static uint32_t   Clock_Decrementer_value;
-
-static struct timecounter Clock_TC;
-
-static uint32_t Clock_Get_timecount(struct timecounter *tc)
-{
-  return ppc_time_base();
-}
-
-void clockOff(void* unused)
-{
-  rtems_interrupt_level l;
-
-  if ( ppc_cpu_is_bookE() ) {
-    rtems_interrupt_disable(l);
-    _write_BOOKE_TCR(_read_BOOKE_TCR() & ~BOOKE_TCR_DIE);
-    rtems_interrupt_enable(l);
-  } else {
-    /*
-     * Nothing to do as we cannot disable all interrupts and
-     * the decrementer interrupt enable is MSR_EE
-     */
-  }
-}
-
-void clockOn(void* unused)
-{
-  rtems_interrupt_level l;
-
-  PPC_Set_decrementer( Clock_Decrementer_value );
-
-  if ( ppc_cpu_is_bookE() ) {
-    _write_BOOKE_DECAR( Clock_Decrementer_value );
-
-    rtems_interrupt_disable(l);
-
-    /* clear pending/stale irq */
-    _write_BOOKE_TSR( BOOKE_TSR_DIS );
-    /* enable */
-    _write_BOOKE_TCR( _read_BOOKE_TCR() | BOOKE_TCR_DIE );
-
-    rtems_interrupt_enable(l);
-
-  }
-}
-
-static void clockHandler(void)
-{
-  #if (CLOCK_DRIVER_USE_FAST_IDLE == 1)
-    rtems_interrupt_level level;
-    uint32_t tb;
-
-    rtems_interrupt_disable(level);
-
-    tb = ppc_time_base();
-    rtems_timecounter_tick();
-
-    while ( _Thread_Heir == _Thread_Executing && _Thread_Executing->is_idle ) {
-      tb += Clock_Decrementer_value;
-      ppc_set_time_base( tb );
-      rtems_timecounter_tick();
-    }
-
-    rtems_interrupt_enable(level);
-  #else
-    rtems_timecounter_tick();
-  #endif
-}
-
-static void (*clock_handler)(void);
-
-/*
- *  Clock_isr
- *
- *  This is the clock tick interrupt handler.
- *
- *  Input parameters:
- *    vector - vector number
- *
- *  Output parameters:  NONE
- *
- *  Return values:      NONE
- *
- */
-void clockIsr(void *unused)
-{
-  int decr;
-
-  /*
-   *  The driver has seen another tick.
-   */
-  do {
-    register uint32_t flags;
-
-    rtems_interrupt_disable(flags);
-      __asm__ volatile (
-	"mfdec %0; add %0, %0, %1; mtdec %0"
-	: "=&r"(decr)
-	: "r"(Clock_Decrementer_value)
-      );
-    rtems_interrupt_enable(flags);
-
-    Clock_driver_ticks += 1;
-    /*
-     *  Real Time Clock counter/timer is set to automatically reload.
-     */
-    clock_handler();
-  } while ( decr < 0 );
-}
-
-/*
- *  Clock_isr_bookE
- *
- *  This is the clock tick interrupt handler
- *  for bookE CPUs. For efficiency reasons we
- *  provide a separate handler rather than
- *  checking the CPU type each time.
- */
-void clockIsrBookE(void *unused)
-{
-  /* Note: TSR bit has already been cleared in the exception handler */
-
-  /*
-   *  The driver has seen another tick.
-   */
-
-  Clock_driver_ticks += 1;
-
-  /*
-   *  Real Time Clock counter/timer is set to automatically reload.
-   */
-  clock_handler();
-}
-
-int clockIsOn(void* unused)
-{
-  uint32_t   msr_value;
-
-  _CPU_MSR_GET( msr_value );
-
-  if ( ppc_cpu_is_bookE() && ! (_read_BOOKE_TCR() & BOOKE_TCR_DIE) )
-    msr_value = 0;
-
-  if (msr_value & MSR_EE) return 1;
-
-  return 0;
-}
-
-/*
- *  Clock_exit
- *
- *  This routine allows the clock driver to exit by masking the interrupt and
- *  disabling the clock's counter.
- */
-void Clock_exit( void )
-{
-  (void) BSP_disconnect_clock_handler ();
-}
-
-/*
- *  Clock_initialize
- *
- *  This routine initializes the clock driver.
- */
-rtems_device_driver Clock_initialize(
-  rtems_device_major_number major,
-  rtems_device_minor_number minor,
-  void *pargp
-)
-{
-  rtems_interrupt_level l,tcr;
-
-  Clock_Decrementer_value = (BSP_bus_frequency/BSP_time_base_divisor)*
-            rtems_configuration_get_milliseconds_per_tick();
-
-  /* set the decrementer now, prior to installing the handler
-   * so no interrupts will happen in a while.
-   */
-  PPC_Set_decrementer( (unsigned)-1 );
-
-  /* On a bookE CPU the decrementer works differently. It doesn't
-   * count past zero but we can enable auto-reload :-)
-   */
-  if ( ppc_cpu_is_bookE() ) {
-
-    rtems_interrupt_disable(l);
-
-      tcr  = _read_BOOKE_TCR();
-      tcr |= BOOKE_TCR_ARE;
-      tcr &= ~BOOKE_TCR_DIE;
-      _write_BOOKE_TCR(tcr);
-
-    rtems_interrupt_enable(l);
-  }
-
-  Clock_TC.tc_get_timecount = Clock_Get_timecount;
-  Clock_TC.tc_counter_mask = 0xffffffff;
-  Clock_TC.tc_frequency = (UINT64_C(1000) * BSP_bus_frequency) / BSP_time_base_divisor;
-  Clock_TC.tc_quality = RTEMS_TIMECOUNTER_QUALITY_CLOCK_DRIVER;
-  rtems_timecounter_install(&Clock_TC);
-
-  /*
-   * If a decrementer exception was pending, it is cleared by
-   * executing the default (nop) handler at this point;
-   * The next exception will then be taken by our clock handler.
-   * Clock handler installation initializes the decrementer to
-   * the correct value.
-   */
-  clock_handler = clockHandler;
-  if (!BSP_connect_clock_handler ()) {
-    printk("Unable to initialize system clock\n");
-    rtems_fatal_error_occurred(1);
-  }
-
-  return RTEMS_SUCCESSFUL;
-} /* Clock_initialize */