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authorRalf Corsepius <ralf.corsepius@rtems.org>2011-03-01 17:40:16 +0000
committerRalf Corsepius <ralf.corsepius@rtems.org>2011-03-01 17:40:16 +0000
commit8986eb3674f73ce5343160273e23faed563a786e (patch)
tree4daa817c7676074a4025713700435d36b13bb5a6 /c/src/lib/libbsp/i386/ts_386ex/clock/ckinit.c
parentAdd config.h.in (diff)
downloadrtems-8986eb3674f73ce5343160273e23faed563a786e.tar.bz2
Remove (Abandoned).
Diffstat (limited to 'c/src/lib/libbsp/i386/ts_386ex/clock/ckinit.c')
-rw-r--r--c/src/lib/libbsp/i386/ts_386ex/clock/ckinit.c153
1 files changed, 0 insertions, 153 deletions
diff --git a/c/src/lib/libbsp/i386/ts_386ex/clock/ckinit.c b/c/src/lib/libbsp/i386/ts_386ex/clock/ckinit.c
deleted file mode 100644
index 7527f90354..0000000000
--- a/c/src/lib/libbsp/i386/ts_386ex/clock/ckinit.c
+++ /dev/null
@@ -1,153 +0,0 @@
-/* Clock_initialize
- *
- * This routine initializes the Timer/Counter on the Intel
- * 386ex evaluation 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 <bsp.h>
-#include <bsp/irq.h>
-
-#include <stdlib.h>
-
-uint32_t Clock_isrs; /* ISRs until next tick */
-static uint32_t Clock_initial_isr_value;
-
-volatile uint32_t Clock_driver_ticks;
-
-extern void Clock_exit( void );
-
-/* External Prototypes */
-extern void init_rtc(void); /* defined in 'rtc.c' */
-extern long rtc_read(rtems_time_of_day *); /* defined in 'rtc.c' */
-
-/*
- * These are set by clock driver during its init
- */
-
-rtems_device_major_number rtems_clock_major = ~0;
-rtems_device_major_number rtems_clock_minor = 0;
-
-/*
- * This is the ISR handler.
- */
-
-void Clock_isr(rtems_irq_hdl_param unused)
-{
- /* enable_tracing(); */
- Clock_driver_ticks += 1;
- if ( Clock_isrs == 1 ) {
- rtems_clock_tick();
- Clock_isrs = Clock_initial_isr_value; /* rtems_configuration_get_microseconds_per_tick() / 1000;*/
- }
- else
- Clock_isrs -= 1;
-}
-
-void ClockOff(const rtems_irq_connect_data* unused)
-{
- outport_byte (TIMER_CONFIG, 0x80 ); /* disable the counter timer */
-}
-
-void ClockOn(const rtems_irq_connect_data* unused)
-{
- outport_byte (TIMER_CONFIG, 0x00 ); /* enable the counter timer */
-}
-
-int ClockIsOn(const rtems_irq_connect_data* unused)
-{
- return ((i8259s_cache & 0x1) == 0);
-}
-
-static rtems_irq_connect_data clockIrqData = {BSP_PERIODIC_TIMER,
- Clock_isr,
- 0,
- ClockOn,
- ClockOff,
- ClockIsOn};
-
-rtems_device_driver Clock_initialize(
- rtems_device_major_number major,
- rtems_device_minor_number minor,
- void *pargp
-)
-{
- unsigned timer_counter_init_value;
- unsigned char clock_lsb, clock_msb;
-
-#ifdef BSP_DEBUG
- printk("Initializing clock driver in Clock_initialize().\n");
-#endif
-
-#ifdef LOAD_RTC_AT_START
- /* Initialize clock from on-board real time clock. This breaks the */
- /* test code which assumes which assumes the application will do it. */
- {
- rtems_time_of_day now;
-
-
-#ifdef BSP_DEBUG
- printk("Loading clock from on-board real-time clock.\n");
-#endif
-
- init_rtc();
- if (rtc_read(&now) >= 0)
- rtems_clock_set(&now);
- }
-#endif
-
- Clock_driver_ticks = 0;
-
- Clock_isrs =
- Clock_initial_isr_value =
- rtems_configuration_get_microseconds_per_tick() / 1000; /* ticks per clock_isr */
-
- /*
- * configure the counter timer ( should be based on microsecs/tick )
- * NB. The divisor(Clock_isrs) resolves the is the same number that appears in confdefs.h
- * when setting the microseconds_per_tick value.
- */
- ClockOff ( &clockIrqData );
-
- timer_counter_init_value = rtems_configuration_get_microseconds_per_tick() / Clock_isrs;
- clock_lsb = (unsigned char)timer_counter_init_value;
- clock_msb = timer_counter_init_value >> 8;
-
- outport_byte (TIMER_MODE, TIMER_SEL0|TIMER_16BIT|TIMER_RATEGEN);
- outport_byte (TIMER_CNTR0, clock_lsb ); /* load LSB first */
- outport_byte (TIMER_CNTR0, clock_msb ); /* then MSB */
-
- if (!BSP_install_rtems_irq_handler (&clockIrqData)) {
- printk("Unable to initialize system clock\n");
- rtems_fatal_error_occurred(1);
- }
-
- /*
- * make major/minor avail to others such as shared memory driver
- */
-
- rtems_clock_major = major;
- rtems_clock_minor = minor;
-
- return RTEMS_SUCCESSFUL;
-}
-
-void Clock_exit(void)
-{
- ClockOff(&clockIrqData);
- BSP_remove_rtems_irq_handler (&clockIrqData);
-}