tsc_freq.c File Reference

#include <cpu/x86/msr.h>
#include <cpu/x86/tsc.h>
#include <soc/msr.h>

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Functions
unsigned int	cpu_bus_freq_khz (void)
unsigned long	tsc_freq_mhz (void)
void	set_max_freq (void)

Variables
static const unsigned int	cpu_bus_clk_freq_table []

Function Documentation

cpu_bus_freq_khz()

unsigned int cpu_bus_freq_khz

(

void

)

Definition at line 19 of file tsc_freq.c.

References ARRAY_SIZE, cpu_bus_clk_freq_table, msr_struct::lo, MSR_BSEL_CR_OVERCLOCK_CONTROL, and rdmsr().

Referenced by fill_in_pattrs(), and tsc_freq_mhz().

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set_max_freq()

void set_max_freq

(

void

)

Definition at line 41 of file tsc_freq.c.

References BIOS_DEBUG, CPU_BCLK, msr_struct::hi, IA32_MISC_ENABLE, IA32_PERF_CTL, msr_struct::lo, MSR_CONFIG_TDP_NOMINAL, MSR_IACORE_TURBO_RATIOS, MSR_IACORE_TURBO_VIDS, MSR_PLATFORM_INFO, printk, rdmsr(), and wrmsr().

Referenced by bootblock_soc_init(), and soc_init_pre_device().

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tsc_freq_mhz()

unsigned long tsc_freq_mhz

(

void

)

Definition at line 29 of file tsc_freq.c.

References cpu_bus_freq_khz(), msr_struct::lo, MSR_PLATFORM_INFO, and rdmsr().

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Variable Documentation

cpu_bus_clk_freq_table

const unsigned int cpu_bus_clk_freq_table[]

static

Initial value:

= {
        83333,
        100000,
        133333,
        116666,
        80000,
        93333,
        90000,
        88900,
        87500
}

Definition at line 7 of file tsc_freq.c.

Referenced by cpu_bus_freq_khz().