s3c2440-cpufreq.c File Reference

#include <linux/init.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/cpufreq.h>
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/regs-clock.h>
#include <plat/cpu.h>
#include <plat/cpu-freq-core.h>
#include <plat/clock.h>

Go to the source code of this file.

Macros
#define	CAMDIVN_HCLK_HALF

Functions
int	s3c2440_cpufreq_calcdivs (struct s3c_cpufreq_config *cfg)
	subsys_initcall (s3c2440_cpufreq_init)
	subsys_initcall (s3c2442_cpufreq_init)

Variables
struct s3c_cpufreq_info	s3c2440_cpufreq_info

Macro Definition Documentation

#define CAMDIVN_HCLK_HALF

Value:

(S3C2440_CAMDIVN_HCLK3_HALF | \
               S3C2440_CAMDIVN_HCLK4_HALF)

Definition at line 134 of file s3c2440-cpufreq.c.

Function Documentation

int s3c2440_cpufreq_calcdivs

(

struct s3c_cpufreq_config *

cfg

)

s3c2440_cpufreq_calcdivs - calculate divider settings : The cpu frequency settings.

Calcualte the divider values for the given frequency settings specified in . The values are stored in for later use by the relevant set routine if the request settings can be reached.

Definition at line 59 of file s3c2440-cpufreq.c.

subsys_initcall

(

s3c2440_cpufreq_init

)

subsys_initcall

(

s3c2442_cpufreq_init

)

Variable Documentation

struct s3c_cpufreq_info s3c2440_cpufreq_info

Initial value:

= {
    .max        = {
        .fclk   = 400000000,
        .hclk   = 133333333,
        .pclk   =  66666666,
    },

    .locktime_m = 300,
    .locktime_u = 300,
    .locktime_bits  = 16,

    .name       = "s3c244x",
    .calc_iotiming  = s3c2410_iotiming_calc,
    .set_iotiming   = s3c2410_iotiming_set,
    .get_iotiming   = s3c2410_iotiming_get,
    .set_fvco   = s3c2410_set_fvco,

    .set_refresh    = s3c2410_cpufreq_setrefresh,
    .set_divs   = s3c2440_cpufreq_setdivs,
    .calc_divs  = s3c2440_cpufreq_calcdivs,
    .calc_freqtable = s3c2440_cpufreq_calctable,

    .resume_clocks  = s3c244x_setup_clocks,

    .debug_io_show  = s3c_cpufreq_debugfs_call(s3c2410_iotiming_debugfs),
}

Definition at line 246 of file s3c2440-cpufreq.c.