sys-clk.c File Reference

#include <io.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <types.h>
#include <timer.h>
#include <log.h>
#include <sys-clk.h>

Include dependency graph for sys-clk.c:

Classes
struct	core_pll_freq_fact

Functions
static void	set_bit (uint32_t cpux, u8 bit)
static void	clear_bit (uint32_t cpux, u8 bit)
static void	enable_pll (uint32_t cpux, core_pll_freq_fact *CPUx, uint32_t default_val)
static void	set_pll_cpux_axi (void)
static void	set_pll_periph0 (void)
static void	set_pll_periph1 (void)
static void	set_ahb (void)
static void	set_apb (void)
static void	set_pll_dma (void)
static void	set_pll_mbus (void)
static void	set_circuits_analog (void)
static void	set_iommu_auto_gating (void)
static void	set_platform_config (void)
static void	set_modules_clock (void)
void	sunxi_clk_init (void)
	Initialize the global clocks.
void	sunxi_clk_reset (void)
	Reset the global clocks.
uint32_t	sunxi_clk_get_peri1x_rate ()
	Get the clock rate of the PERI1X bus.
void	sunxi_clk_set_cpu_pll (uint32_t freq)
	Change the cpu freq.
static void	sunxi_cpux_clk_dump (uint8_t cpuid, uint32_t cpu_reg)
void	sunxi_clk_dump ()
	Dump all clock-related register values.

Function Documentation

clear_bit()

static void clear_bit ( uint32_t  cpux, u8  bit  )

static

enable_pll()

static void enable_pll ( uint32_t  cpux, core_pll_freq_fact *  CPUx, uint32_t  default_val  )

static

set_ahb()

static void set_ahb ( void  )

static

set_apb()

static void set_apb ( void  )

static

set_bit()

static void set_bit ( uint32_t  cpux, u8  bit  )

static

set_circuits_analog()

static void set_circuits_analog ( void  )

static

set_iommu_auto_gating()

static void set_iommu_auto_gating ( void  )

inlinestatic

set_modules_clock()

static void set_modules_clock ( void  )

static

set_platform_config()

static void set_platform_config ( void  )

static

set_pll_cpux_axi()

static void set_pll_cpux_axi ( void  )

static

set_pll_dma()

static void set_pll_dma ( void  )

static

set_pll_mbus()

static void set_pll_mbus ( void  )

static

set_pll_periph0()

static void set_pll_periph0 ( void  )

static

set_pll_periph1()

static void set_pll_periph1 ( void  )

static

sunxi_clk_dump()

void sunxi_clk_dump

(

void

)

Dump all clock-related register values.

This function prints out all clock-related register values for debugging and observation.

sunxi_clk_get_peri1x_rate()

uint32_t sunxi_clk_get_peri1x_rate

(

)

Get the clock rate of the PERI1X bus.

Returns

The clock rate of the PERI1X bus in Hz.

sunxi_clk_init()

void sunxi_clk_init

(

void

)

Initialize the global clocks.

This function initializes the global clocks, including PLLs and clock dividers.

sunxi_clk_reset()

void sunxi_clk_reset

(

void

)

Reset the global clocks.

This function resets all global clocks to their default values.

sunxi_clk_set_cpu_pll()

void sunxi_clk_set_cpu_pll

(

uint32_t

freq

)

Change the cpu freq.

Parameters

freq	The freq of cpu want to set.

sunxi_cpux_clk_dump()

static void sunxi_cpux_clk_dump ( uint8_t  cpuid, uint32_t  cpu_reg  )

static