timer.c File Reference

#include <device/mmio.h>
#include <timer.h>
#include <delay.h>
#include <thread.h>
#include <soc/addressmap.h>
#include <soc/timer.h>

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Functions
__weak void	timer_prepare (void)
static uint64_t	timer_raw_value (void)
void	timer_monotonic_get (struct mono_time *mt)
	Get GTI counter value. More...
void	init_timer (void)
	Init Global System Timers Unit (GTI). More...

Variables
static struct mtk_gpt_regs *const	mtk_gpt = (void *)GPT_BASE

Function Documentation

init_timer()

void init_timer

(

void

)

Init Global System Timers Unit (GTI).

Configure timer to run at 1MHz tick-rate.

Definition at line 33 of file timer.c.

References clrbits32, GPT6_CLK_CLK6_SYS, GPT6_CLK_CLKDIV_DIV1, GPT6_CLOCK_REG, mtk_gpt_regs::gpt6_con, GPT6_CON_CLR, GPT6_CON_EN, GPT6_MODE_FREERUN, mtk_gpt, SET32_BITFIELDS, setbits32, and timer_prepare().

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timer_monotonic_get()

void timer_monotonic_get

(

struct mono_time *

mt

)

Get GTI counter value.

Parameters

mt	Structure to fill

Definition at line 28 of file timer.c.

References GPT_MHZ, mono_time_set_usecs(), and timer_raw_value().

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timer_prepare()

__weak void timer_prepare

(

void

)

Definition at line 13 of file timer.c.

Referenced by init_timer().

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timer_raw_value()

static uint64_t timer_raw_value ( void  )

static

Definition at line 15 of file timer.c.

References mtk_gpt_regs::gpt6_cnt_h, mtk_gpt_regs::gpt6_cnt_l, mtk_gpt, and read32().

Referenced by timer_monotonic_get().

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Variable Documentation

mtk_gpt

struct mtk_gpt_regs* const mtk_gpt = (void *)GPT_BASE

static

Definition at line 11 of file timer.c.

Referenced by init_timer(), and timer_raw_value().