power_limit.c File Reference

#include <console/console.h>
#include <cpu/x86/msr.h>
#include <intelblocks/cpulib.h>
#include <intelblocks/power_limit.h>
#include <soc/msr.h>
#include <soc/systemagent.h>

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Functions
void	set_power_limits (u8 power_limit_1_time, struct soc_power_limits_config *conf)
u8	get_cpu_tdp (void)

Variables
static const u8	power_limit_time_sec_to_msr []
static const u8	power_limit_time_msr_to_sec []

Function Documentation

get_cpu_tdp()

u8 get_cpu_tdp

(

void

)

Definition at line 199 of file power_limit.c.

References cpu_tdp, msr_struct::lo, MSR_PKG_POWER_SKU, MSR_PKG_POWER_SKU_UNIT, and rdmsr().

Referenced by fill_vr_domain_config(), get_sku_index(), get_vccin_aux_imon_iccmax(), soc_systemagent_init(), and variant_update_power_limits().

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set_power_limits()

void set_power_limits	(	u8	power_limit_1_time,
		struct soc_power_limits_config *	conf
	)

Definition at line 72 of file power_limit.c.

References ARRAY_SIZE, BIOS_INFO, cpu_config_tdp_levels(), cpu_get_tdp_nominal_ratio(), msr_struct::hi, msr_struct::lo, MCH_DDR_POWER_LIMIT_HI, MCH_DDR_POWER_LIMIT_LO, MCH_PKG_POWER_LIMIT_HI, MCH_PKG_POWER_LIMIT_LO, MCHBAR32, MSR_DDR_RAPL_LIMIT, MSR_PKG_POWER_LIMIT, MSR_PKG_POWER_SKU, MSR_PKG_POWER_SKU_UNIT, MSR_PL3_CONTROL, MSR_PLATFORM_INFO, MSR_PLATFORM_POWER_LIMIT, MSR_TURBO_ACTIVATION_RATIO, MSR_VR_CURRENT_CONFIG, PKG_POWER_LIMIT_CLAMP, PKG_POWER_LIMIT_DUTYCYCLE_MASK, PKG_POWER_LIMIT_DUTYCYCLE_SHIFT, PKG_POWER_LIMIT_EN, PKG_POWER_LIMIT_MASK, PKG_POWER_LIMIT_TIME_MASK, PKG_POWER_LIMIT_TIME_SHIFT, PLATFORM_INFO_SET_TDP, power_limit_time_msr_to_sec, power_limit_time_sec_to_msr, printk, rdmsr(), soc_power_limits_config::tdp_pl1_override, soc_power_limits_config::tdp_pl2_override, soc_power_limits_config::tdp_pl4, soc_power_limits_config::tdp_psyspl2, soc_power_limits_config::tdp_psyspl3, soc_power_limits_config::tdp_psyspl3_dutycycle, soc_power_limits_config::tdp_psyspl3_time, and wrmsr().

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Variable Documentation

power_limit_time_msr_to_sec

const u8 power_limit_time_msr_to_sec[]

static

Initial value:

= {
        [0x00] = 0,
        [0x0a] = 1,
        [0x0b] = 2,
        [0x4b] = 3,
        [0x0c] = 4,
        [0x2c] = 5,
        [0x4c] = 6,
        [0x6c] = 7,
        [0x0d] = 8,
        [0x2d] = 10,
        [0x4d] = 12,
        [0x6d] = 14,
        [0x0e] = 16,
        [0x2e] = 20,
        [0x4e] = 24,
        [0x6e] = 28,
        [0x0f] = 32,
        [0x2f] = 40,
        [0x4f] = 48,
        [0x6f] = 56,
        [0x10] = 64,
        [0x30] = 80,
        [0x50] = 96,
        [0x70] = 112,
        [0x11] = 128,
}

Definition at line 40 of file power_limit.c.

Referenced by set_power_limits().

power_limit_time_sec_to_msr

const u8 power_limit_time_sec_to_msr[]

static

Initial value:

= {
        [0]   = 0x00,
        [1]   = 0x0a,
        [2]   = 0x0b,
        [3]   = 0x4b,
        [4]   = 0x0c,
        [5]   = 0x2c,
        [6]   = 0x4c,
        [7]   = 0x6c,
        [8]   = 0x0d,
        [10]  = 0x2d,
        [12]  = 0x4d,
        [14]  = 0x6d,
        [16]  = 0x0e,
        [20]  = 0x2e,
        [24]  = 0x4e,
        [28]  = 0x6e,
        [32]  = 0x0f,
        [40]  = 0x2f,
        [48]  = 0x4f,
        [56]  = 0x6f,
        [64]  = 0x10,
        [80]  = 0x30,
        [96]  = 0x50,
        [112] = 0x70,
        [128] = 0x11,
}

Definition at line 11 of file power_limit.c.

Referenced by set_power_limits().