bsps/powerpc: Delete clock_4xx.c

1 files changed, 0 insertions, 225 deletions

diff --git a/c/src/lib/libcpu/powerpc/ppc403/clock/clock_4xx.c b/c/src/lib/libcpu/powerpc/ppc403/clock/clock_4xx.c
deleted file mode 100644
index 5ec6a5fff4..0000000000
--- a/c/src/lib/libcpu/powerpc/ppc403/clock/clock_4xx.c
+++ /dev/null
@@ -1,225 +0,0 @@
-/*  clock.c
- *
- *  This routine initializes the interval timer on the
- *  PowerPC 405 CPU.  The tick frequency is specified by the bsp.
- *
- *  Author: Andrew Bray <andy@i-cubed.co.uk>
- *
- *  COPYRIGHT (c) 1995 by i-cubed ltd.
- *
- *  To anyone who acknowledges that this file is provided "AS IS"
- *  without any express or implied warranty:
- *      permission to use, copy, modify, and distribute this file
- *      for any purpose is hereby granted without fee, provided that
- *      the above copyright notice and this notice appears in all
- *      copies, and that the name of i-cubed limited not be used in
- *      advertising or publicity pertaining to distribution of the
- *      software without specific, written prior permission.
- *      i-cubed limited makes no representations about the suitability
- *      of this software for any purpose.
- *
- *  Derived from c/src/lib/libcpu/hppa1.1/clock/clock.c:
- *
- *  Modifications for deriving timer clock from cpu system clock by
- *              Thomas Doerfler <td@imd.m.isar.de>
- *  for these modifications:
- *  COPYRIGHT (c) 1997 by IMD, Puchheim, Germany.
- *
- *  COPYRIGHT (c) 1989-2007.
- *  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.
- *
- *  Modifications for PPC405GP by Dennis Ehlin
- *
- * Further modifications for PPC405GP/EX by Michael Hamel
- */
-
-#include <rtems.h>
-#include <rtems/clockdrv.h>
-#include <rtems/libio.h>
-#include <stdlib.h>                     /* for atexit() */
-#include <rtems/bspIo.h>
-#include <ppc405common.h>
-#include <libcpu/cpuIdent.h>
-#include <bsp/irq.h>
-
-
-
-/* PPC405GP */
-#define CPC0_CR1	0xB2
- #define CR1_CETE	0x00800000
-
-/* PPC405EX */
-#define	SDR0_C405	0x180
- #define SDR_CETE	0x02000000
-
-volatile uint32_t   Clock_driver_ticks;
-static uint32_t   pit_value, tick_time;
-
-void Clock_exit( void );
-
-rtems_isr_entry set_vector(                    /* returns old vector */
-  rtems_isr_entry     handler,                  /* isr routine        */
-  rtems_vector_number vector,                   /* vector number      */
-  int                 type                      /* RTEMS or RAW intr  */
-);
-
-/* Defined in bspstart.c */
-extern uint32_t bsp_clicks_per_usec;
-
-/*
- * These are set by clock driver during its init
- */
-
-rtems_device_major_number rtems_clock_major = ~0;
-rtems_device_minor_number rtems_clock_minor;
-
-/*
- *  ISR Handler
- */
-
-void Clock_isr(void* handle)
-{
-	Clock_driver_ticks++;
-    rtems_clock_tick();
-}
-
-int ClockIsOn(const rtems_irq_connect_data* unused)
-{
-    return ((mfspr(TCR) & PIE) != 0);
-}
-
-
-void ClockOff(const rtems_irq_connect_data* unused)
-{
-    register uint32_t   r;
-
-	r = mfspr(TCR);
-	mtspr(TCR, r & ~(PIE | ARE) );
-}
-
-void ClockOn(const rtems_irq_connect_data* unused)
-{
-    uint32_t   iocr, r;
-	ppc_cpu_id_t cpu;
-    Clock_driver_ticks = 0;
-
- 	cpu = get_ppc_cpu_type();
-	if (cpu==PPC_405GP) {
-		iocr = mfdcr(CPC0_CR1);
-		if (bsp_timer_internal_clock) iocr &= ~CR1_CETE	;/* timer clocked from system clock */
-								 else iocr |=  CR1_CETE; /* select external timer clock */
-		mtdcr(CPC0_CR1,iocr);
-	} else if (cpu==PPC_405EX) {
-		mfsdr(SDR0_C405,iocr);
-		if (bsp_timer_internal_clock) iocr &= ~SDR_CETE	;/* timer clocked from system clock */
-								 else iocr |=  SDR_CETE; /* select external timer clock */
-		mtsdr(SDR0_C405,iocr);
-	} else {
-		printk("clock.c:unrecognised CPU");
-		rtems_fatal_error_occurred(1);
-	}
-
-    pit_value = rtems_configuration_get_microseconds_per_tick() * bsp_clicks_per_usec;
-	mtspr(PIT,pit_value);
-
-	tick_time = mfspr(TBL) + pit_value;
-	r = mfspr(TCR);
-	mtspr(TCR, r | PIE | ARE);
-}
-
-
-
-void Install_clock(void (*clock_isr)(void *))
-{
-
-    /*
-     * initialize the interval here
-     * First tick is set to right amount of time in the future
-     * Future ticks will be incremented over last value set
-     * in order to provide consistent clicks in the face of
-     * interrupt overhead
-     */
-
-	rtems_irq_connect_data clockIrqConnData;
-
-	Clock_driver_ticks = 0;
-	clockIrqConnData.on   = ClockOn;
-	clockIrqConnData.off  = ClockOff;
-	clockIrqConnData.isOn = ClockIsOn;
-	clockIrqConnData.name = BSP_PIT;
-	clockIrqConnData.hdl  = clock_isr;
-	if ( ! BSP_install_rtems_irq_handler (&clockIrqConnData)) {
-		 printk("Unable to connect Clock Irq handler\n");
-		 rtems_fatal_error_occurred(1);
-	}
-    atexit(Clock_exit);
-}
-
-void
-ReInstall_clock(void (*new_clock_isr)(void *))
-{
-	uint32_t   isrlevel = 0;
-	rtems_irq_connect_data clockIrqConnData;
-
-	rtems_interrupt_disable(isrlevel);
-	clockIrqConnData.name = BSP_PIT;
-	if ( ! BSP_get_current_rtems_irq_handler(&clockIrqConnData)) {
-		printk("Unable to stop system clock\n");
-		rtems_fatal_error_occurred(1);
-	}
-
-	BSP_remove_rtems_irq_handler (&clockIrqConnData);
-	clockIrqConnData.on   = ClockOn;
-	clockIrqConnData.off  = ClockOff;
-	clockIrqConnData.isOn = ClockIsOn;
-	clockIrqConnData.name = BSP_PIT;
-	clockIrqConnData.hdl  = new_clock_isr;
-	if (!BSP_install_rtems_irq_handler (&clockIrqConnData)) {
-		printk("Unable to connect Clock Irq handler\n");
-		rtems_fatal_error_occurred(1);
-	}
-	rtems_interrupt_enable(isrlevel);
-}
-
-
-/*
- * Called via atexit()
- * Remove the clock interrupt handler by setting handler to NULL
- *
- * This will not work on the 405GP because
- * when bit's are set in TCR they can only be unset by a reset
- */
-
-void Clock_exit(void)
-{
-    rtems_irq_connect_data clockIrqConnData;
-
-    clockIrqConnData.name = BSP_PIT;
-    if (!BSP_get_current_rtems_irq_handler(&clockIrqConnData)) {
-      printk("Unable to stop system clock\n");
-      rtems_fatal_error_occurred(1);
-    }
-    BSP_remove_rtems_irq_handler (&clockIrqConnData);
-}
-
-
-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;
-}