hpm_clock_drv.c File Reference

#include "hpm_clock_drv.h"
#include "hpm_sysctl_drv.h"
#include "hpm_soc.h"
#include "hpm_common.h"
#include "hpm_pllctlv2_drv.h"

Macros
#define	FREQ_PRESET1_OSC0_CLK0   (24000000UL)
#define	FREQ_PRESET1_PLL0_CLK0   (600000000UL)
#define	FREQ_PRESET1_PLL0_CLK1   (500000000UL)
#define	FREQ_PRESET1_PLL1_CLK0   (800000000UL)
#define	FREQ_PRESET1_PLL1_CLK1   (333333333UL)
#define	FREQ_PRESET1_PLL1_CLK2   (250000000UL)
#define	FREQ_PRESET1_PLL2_CLK0   (516096000UL)
#define	FREQ_PRESET1_PLL2_CLK1   (451584000UL)
#define	FREQ_32KHz   (32768UL)
#define	ADC_INSTANCE_NUM   ARRAY_SIZE(HPM_SYSCTL->ADCCLK)
#define	I2S_INSTANCE_NUM   ARRAY_SIZE(HPM_SYSCTL->I2SCLK)
#define	EWDG_INSTANCE_NUM   (4U)
#define	BUS_FREQ_MAX   (200000000UL)
#define	FREQ_1MHz   (1000000UL)
#define	CLOCK_ON   (true)
#define	CLOCK_OFF   (false)

Typedefs
typedef struct _pllclk_div_map	clk_pll_div_map_t

Functions
static uint32_t	get_frequency_for_ip_in_common_group (clock_node_t node)
	Get Clock frequency for IP in common group. More...
static uint32_t	get_frequency_for_adc (uint32_t instance)
	Get Clock frequency for ADC. More...
static uint32_t	get_frequency_for_i2s (uint32_t instance)
	Get Clock frequency for I2S. More...
static uint32_t	get_frequency_for_ewdg (uint32_t instance)
	Get Clock frequency for EWDG. More...
static uint32_t	get_frequency_for_pewdg (void)
	Get Clock frequency for PEWDG. More...
static void	switch_ip_clock (clock_name_t clock_name, bool on)
	Turn on/off the IP clock. More...
uint32_t	clock_get_frequency (clock_name_t clock_name)
	Get specified IP frequency. More...
uint32_t	get_frequency_for_source (clock_source_t source)
	Get Clock frequency for selected clock source. More...
clk_src_t	clock_get_source (clock_name_t clock_name)
	Get the IP clock source Note: This API return the direct clock source. More...
hpm_stat_t	clock_wait_source_stable (clock_name_t clock_name)
	Wait until the clock source for specified IP clock is stable. More...
uint32_t	clock_get_divider (clock_name_t clock_name)
	Get the IP clock divider Note:This API return the direct clock divider. More...
hpm_stat_t	clock_set_adc_source (clock_name_t clock_name, clk_src_t src)
	Set ADC clock source. More...
hpm_stat_t	clock_set_i2s_source (clock_name_t clock_name, clk_src_t src)
	Set I2S clock source. More...
hpm_stat_t	clock_set_wdg_source (clock_name_t clock_name, clk_src_t src)
	Set the WDG clock source. More...
hpm_stat_t	clock_set_source_divider (clock_name_t clock_name, clk_src_t src, uint32_t div)
	Set the IP clock source and divider. More...
void	clock_enable (clock_name_t clock_name)
	Enable IP clock. More...
void	clock_disable (clock_name_t clock_name)
	Disable IP clock. More...
void	clock_add_to_group (clock_name_t clock_name, uint32_t group)
	Add IP to specified group. More...
void	clock_remove_from_group (clock_name_t clock_name, uint32_t group)
	Remove IP from specified group. More...
bool	clock_check_in_group (clock_name_t clock_name, uint32_t group)
	Check IP in specified group. More...
void	clock_connect_group_to_cpu (uint32_t group, uint32_t cpu)
	Disconnect the clock group from specified CPU. More...
void	clock_disconnect_group_from_cpu (uint32_t group, uint32_t cpu)
	Disconnect the clock group from specified CPU. More...
uint32_t	clock_get_core_clock_ticks_per_us (void)
	Get core clock ticks per microsecond. More...
uint32_t	clock_get_core_clock_ticks_per_ms (void)
	Get core clock ticks per millisecond. More...
void	clock_cpu_delay_us (uint32_t us)
	Delay specified microseconds. More...
void	clock_cpu_delay_ms (uint32_t ms)
	Delay specified milliseconds. More...
void	clock_update_core_clock (void)
	Update the Core clock frequency. More...

Variables
static const clock_node_t	s_adc_clk_mux_node []
static EWDG_Type *const	s_wdgs []
static const clk_pll_div_map_t	s_clk_pll_div_map []
uint32_t	hpm_core_clock
	HPM Core clock variable. More...

Macro Definition Documentation

ADC_INSTANCE_NUM

#define ADC_INSTANCE_NUM   ARRAY_SIZE(HPM_SYSCTL->ADCCLK)

BUS_FREQ_MAX

#define BUS_FREQ_MAX   (200000000UL)

CLOCK_OFF

#define CLOCK_OFF   (false)

CLOCK_ON

#define CLOCK_ON   (true)

EWDG_INSTANCE_NUM

#define EWDG_INSTANCE_NUM   (4U)

FREQ_1MHz

#define FREQ_1MHz   (1000000UL)

FREQ_32KHz

#define FREQ_32KHz   (32768UL)

FREQ_PRESET1_OSC0_CLK0

#define FREQ_PRESET1_OSC0_CLK0   (24000000UL)

FREQ_PRESET1_PLL0_CLK0

#define FREQ_PRESET1_PLL0_CLK0   (600000000UL)

FREQ_PRESET1_PLL0_CLK1

#define FREQ_PRESET1_PLL0_CLK1   (500000000UL)

FREQ_PRESET1_PLL1_CLK0

#define FREQ_PRESET1_PLL1_CLK0   (800000000UL)

FREQ_PRESET1_PLL1_CLK1

#define FREQ_PRESET1_PLL1_CLK1   (333333333UL)

FREQ_PRESET1_PLL1_CLK2

#define FREQ_PRESET1_PLL1_CLK2   (250000000UL)

FREQ_PRESET1_PLL2_CLK0

#define FREQ_PRESET1_PLL2_CLK0   (516096000UL)

FREQ_PRESET1_PLL2_CLK1

#define FREQ_PRESET1_PLL2_CLK1   (451584000UL)

I2S_INSTANCE_NUM

#define I2S_INSTANCE_NUM   ARRAY_SIZE(HPM_SYSCTL->I2SCLK)

Typedef Documentation

clk_pll_div_map_t

typedef struct _pllclk_div_map clk_pll_div_map_t

Function Documentation

get_frequency_for_adc()

static uint32_t get_frequency_for_adc ( uint32_t  instance )

static

Get Clock frequency for ADC.

get_frequency_for_ewdg()

static uint32_t get_frequency_for_ewdg ( uint32_t  instance )

static

Get Clock frequency for EWDG.

get_frequency_for_i2s()

static uint32_t get_frequency_for_i2s ( uint32_t  instance )

static

Get Clock frequency for I2S.

get_frequency_for_ip_in_common_group()

static uint32_t get_frequency_for_ip_in_common_group ( clock_node_t  node )

static

Get Clock frequency for IP in common group.

get_frequency_for_pewdg()

static uint32_t get_frequency_for_pewdg ( void  )

static

Get Clock frequency for PEWDG.

switch_ip_clock()

static void switch_ip_clock ( clock_name_t  clock_name, bool  on  )

static

Turn on/off the IP clock.

Variable Documentation

s_adc_clk_mux_node

const clock_node_t s_adc_clk_mux_node[]

static

Initial value:

= {
    clock_node_ana0,
    clock_node_ahb0,
}

s_clk_pll_div_map

const clk_pll_div_map_t s_clk_pll_div_map[]

static

Initial value:

= {
    {0xFF, 1}, 
    {pllctlv2_pll0, pllctlv2_clk0}, 
    {pllctlv2_pll0, pllctlv2_clk1}, 
    {pllctlv2_pll1, pllctlv2_clk0}, 
    {pllctlv2_pll1, pllctlv2_clk1}, 
    {pllctlv2_pll1, pllctlv2_clk2}, 
    {pllctlv2_pll2, pllctlv2_clk0}, 
    {pllctlv2_pll2, pllctlv2_clk1}, 
}

s_wdgs

EWDG_Type* const s_wdgs[]

static

Initial value:

= {
     ((EWDG_Type *)  (0xF00B0000UL) ) ,
     ((EWDG_Type *)  (0xF00B4000UL) ) ,
     ((EWDG_Type *)  (0xF00B8000UL) ) ,
     ((EWDG_Type *)  (0xF00BC000UL) ) ,
}