acpi.c File Reference

#include <types.h>
#include <console/console.h>
#include <acpi/acpi.h>
#include <acpi/acpigen.h>
#include <arch/cpu.h>
#include <cpu/x86/msr.h>
#include <cpu/intel/speedstep.h>
#include <cpu/intel/turbo.h>
#include <device/device.h>
#include "haswell.h"
#include "chip.h"
#include <southbridge/intel/lynxpoint/pch.h>

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Macros
#define	MWAIT_RES(state, sub_state)

Functions
static int	get_logical_cores_per_package (void)
static void	generate_T_state_entries (int core, int cores_per_package)
static bool	is_s0ix_enabled (void)
static void	generate_C_state_entries (void)
static int	calculate_power (int tdp, int p1_ratio, int ratio)
static void	generate_P_state_entries (int core, int cores_per_package)
void	generate_cpu_entries (const struct device *device)

Variables
static acpi_cstate_t	cstate_map [NUM_C_STATES]
static const int	cstate_set_s0ix [3]
static const int	cstate_set_lp [3]
static const int	cstate_set_trad [3]
static acpi_tstate_t	tss_table_fine []
static acpi_tstate_t	tss_table_coarse []
struct chip_operations	cpu_intel_haswell_ops

Macro Definition Documentation

MWAIT_RES

#define MWAIT_RES	(		state,
			sub_state
	)

Value:

        {                                                   \
                .addrl = (((state) << 4) | (sub_state)),    \
                .space_id = ACPI_ADDRESS_SPACE_FIXED,       \
                .bit_width = ACPI_FFIXEDHW_VENDOR_INTEL,    \
                .bit_offset = ACPI_FFIXEDHW_CLASS_MWAIT,    \
                .access_size = ACPI_FFIXEDHW_FLAG_HW_COORD, \
        }

Definition at line 17 of file acpi.c.

Function Documentation

calculate_power()

static int calculate_power ( int  tdp, int  p1_ratio, int  ratio  )

static

Definition at line 207 of file acpi.c.

References m, and power.

Referenced by generate_P_state_entries().

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generate_C_state_entries()

static void generate_C_state_entries ( void  )

static

Definition at line 181 of file acpi.c.

References acpigen_write_CST_package(), ARRAY_SIZE, count, cstate_map, cstate_set_lp, cstate_set_s0ix, cstate_set_trad, acpi_cstate::ctype, haswell_is_ult(), and is_s0ix_enabled().

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generate_cpu_entries()

void generate_cpu_entries

(

const struct device *

device

)

Definition at line 334 of file acpi.c.

Referenced by cpu_fill_ssdt(), and mc_gen_ssdt().

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generate_P_state_entries()

static void generate_P_state_entries ( int  core, int  cores_per_package  )

static

Definition at line 228 of file acpi.c.

References acpigen_pop_len(), acpigen_write_empty_PCT(), acpigen_write_name(), acpigen_write_package(), acpigen_write_PPC_NVS(), acpigen_write_PSD_package(), acpigen_write_PSS_package(), calculate_power(), CPU_BCLK, cpu_config_tdp_levels(), get_turbo_state(), msr_struct::hi, HW_ALL, msr_struct::lo, MISC_PWR_MGMT_EIST_HW_DIS, MSR_CONFIG_TDP_NOMINAL, MSR_MISC_PWR_MGMT, MSR_PKG_POWER_SKU, MSR_PKG_POWER_SKU_UNIT, MSR_PLATFORM_INFO, MSR_TURBO_RATIO_LIMIT, power, PSS_LATENCY_BUSMASTER, PSS_LATENCY_TRANSITION, PSS_MAX_ENTRIES, PSS_RATIO_STEP, rdmsr(), SW_ANY, and TURBO_ENABLED.

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generate_T_state_entries()

static void generate_T_state_entries ( int  core, int  cores_per_package  )

static

Definition at line 143 of file acpi.c.

References acpigen_write_empty_PTC(), acpigen_write_TPC(), acpigen_write_TSD_package(), acpigen_write_TSS_package(), ARRAY_SIZE, cpuid_eax(), SW_ALL, tss_table_coarse, and tss_table_fine.

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get_logical_cores_per_package()

static int get_logical_cores_per_package ( void  )

static

Definition at line 108 of file acpi.c.

References msr_struct::lo, MSR_CORE_THREAD_COUNT, and rdmsr().

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is_s0ix_enabled()

static bool is_s0ix_enabled ( void  )

static

Definition at line 166 of file acpi.c.

References device::chip_info, dev_find_lapic(), haswell_is_ult(), cpu_intel_haswell_config::s0ix_enable, and SPEEDSTEP_APIC_MAGIC.

Referenced by generate_C_state_entries().

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Variable Documentation

cpu_intel_haswell_ops

struct chip_operations cpu_intel_haswell_ops

Initial value:

= {
 
}

Definition at line 334 of file acpi.c.

cstate_map

acpi_cstate_t cstate_map[NUM_C_STATES]

static

Definition at line 26 of file acpi.c.

Referenced by generate_C_state_entries().

cstate_set_lp

const int cstate_set_lp[3]

static

Initial value:

= {
        C_STATE_C1E,
        C_STATE_C3,
        C_STATE_C7S_LONG_LAT,
}

Definition at line 96 of file acpi.c.

Referenced by generate_C_state_entries().

cstate_set_s0ix

const int cstate_set_s0ix[3]

static

Initial value:

= {
        C_STATE_C1E,
        C_STATE_C7S_LONG_LAT,
        C_STATE_C10,
}

Definition at line 90 of file acpi.c.

Referenced by generate_C_state_entries().

cstate_set_trad

const int cstate_set_trad[3]

static

Initial value:

= {
        C_STATE_C1,
        C_STATE_C3,
        C_STATE_C6_LONG_LAT,
}

Definition at line 102 of file acpi.c.

Referenced by generate_C_state_entries().

tss_table_coarse

acpi_tstate_t tss_table_coarse[]

static

Initial value:

= {
        { 100, 1000, 0, 0x00, 0 },
        { 88, 875, 0, 0x1f, 0 },
        { 75, 750, 0, 0x1e, 0 },
        { 63, 625, 0, 0x1d, 0 },
        { 50, 500, 0, 0x1c, 0 },
        { 38, 375, 0, 0x1b, 0 },
        { 25, 250, 0, 0x1a, 0 },
        { 13, 125, 0, 0x19, 0 },
}

Definition at line 132 of file acpi.c.

Referenced by generate_T_state_entries().

tss_table_fine

acpi_tstate_t tss_table_fine[]

static

Initial value:

= {
        { 100, 1000, 0, 0x00, 0 },
        { 94, 940, 0, 0x1f, 0 },
        { 88, 880, 0, 0x1e, 0 },
        { 82, 820, 0, 0x1d, 0 },
        { 75, 760, 0, 0x1c, 0 },
        { 69, 700, 0, 0x1b, 0 },
        { 63, 640, 0, 0x1a, 0 },
        { 57, 580, 0, 0x19, 0 },
        { 50, 520, 0, 0x18, 0 },
        { 44, 460, 0, 0x17, 0 },
        { 38, 400, 0, 0x16, 0 },
        { 32, 340, 0, 0x15, 0 },
        { 25, 280, 0, 0x14, 0 },
        { 19, 220, 0, 0x13, 0 },
        { 13, 160, 0, 0x12, 0 },
}

Definition at line 114 of file acpi.c.

Referenced by generate_T_state_entries().