#include <delay.h>
#include <soc/iomap.h>
#include <soc/ipq_timer.h>
#include <timer.h>

Include dependency graph for timer.c:

Macros
#define	DGT_MHZ_NUM 25

#define	DGT_MHZ_DEN 4

#define	TIMER_TICKS(us) ((DGT_MHZ_NUM*(us) + (DGT_MHZ_DEN - 1)) / DGT_MHZ_DEN)

#define	TIMER_USECS(ticks) (DGT_MHZ_DEN*(ticks) / DGT_MHZ_NUM)

#define	DGT_CLK_DIV_1 0

#define	DGT_CLK_DIV_2 1

#define	DGT_CLK_DIV_3 2

#define	DGT_CLK_DIV_4 3

Functions
void	init_timer (void)
	init_timer - initialize timer More...

void	udelay (unsigned int usec)
	udelay - generates micro second delay. More...

void	timer_monotonic_get (struct mono_time *mt)
	Get GTI counter value. More...

Macro Definition Documentation

◆ DGT_CLK_DIV_1

#define DGT_CLK_DIV_1 0

Definition at line 18 of file timer.c.

◆ DGT_CLK_DIV_2

#define DGT_CLK_DIV_2 1

Definition at line 19 of file timer.c.

◆ DGT_CLK_DIV_3

#define DGT_CLK_DIV_3 2

Definition at line 20 of file timer.c.

◆ DGT_CLK_DIV_4

#define DGT_CLK_DIV_4 3

Definition at line 21 of file timer.c.

◆ DGT_MHZ_DEN

#define DGT_MHZ_DEN 4

Definition at line 12 of file timer.c.

◆ DGT_MHZ_NUM

#define DGT_MHZ_NUM 25

Definition at line 11 of file timer.c.

◆ TIMER_TICKS

#define TIMER_TICKS ( us ) ((DGT_MHZ_NUM*(us) + (DGT_MHZ_DEN - 1)) / DGT_MHZ_DEN)

Definition at line 14 of file timer.c.

◆ TIMER_USECS

#define TIMER_USECS ( ticks ) (DGT_MHZ_DEN*(ticks) / DGT_MHZ_NUM)

Definition at line 15 of file timer.c.

Function Documentation

◆ init_timer()

void init_timer ( void )

init_timer - initialize timer

Init Global System Timers Unit (GTI).

Definition at line 26 of file timer.c.

References DGT_CLEAR, DGT_CLK_CTL, DGT_CLK_DIV_4, DGT_ENABLE, DGT_ENABLE_EN, and writel_i.

◆ timer_monotonic_get()

void timer_monotonic_get ( struct mono_time * mt )

Get GTI counter value.

Parameters

mt	Structure to fill

Definition at line 68 of file timer.c.

References DGT_COUNT_VAL, mono_time_set_usecs(), readl_i, and TIMER_USECS.

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◆ udelay()

void udelay ( unsigned int usec )

udelay - generates micro second delay.