pit.c File Reference

#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/param.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/clockchips.h>
#include <asm/machdep.h>
#include <asm/io.h>
#include <asm/coldfire.h>
#include <asm/mcfpit.h>
#include <asm/mcfsim.h>

Go to the source code of this file.

Macros
#define	FREQ   ((MCF_CLK / 2) / 64)
#define	TA(a)   (MCFPIT_BASE1 + (a))
#define	PIT_CYCLES_PER_JIFFY   (FREQ / HZ)

Functions
void	hw_timer_init (irq_handler_t handler)

Variables
struct clock_event_device	cf_pit_clockevent

Macro Definition Documentation

#define FREQ   ((MCF_CLK / 2) / 64)

Definition at line 33 of file pit.c.

#define PIT_CYCLES_PER_JIFFY   (FREQ / HZ)

Definition at line 35 of file pit.c.

#define TA

(

a

)

(MCFPIT_BASE1 + (a))

Definition at line 34 of file pit.c.

Function Documentation

void hw_timer_init

(

irq_handler_t

handler

)

Definition at line 152 of file pit.c.

Variable Documentation

struct clock_event_device cf_pit_clockevent

Initial value:

= {
    .name       = "pit",
    .features   = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
    .set_mode   = init_cf_pit_timer,
    .set_next_event = cf_pit_next_event,
    .shift      = 32,
    .irq        = MCF_IRQ_PIT1,
}

Definition at line 90 of file pit.c.