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/intel/fsb.h>
#include <cpu/intel/speedstep.h>
#include <device/device.h>

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Functions
static int	determine_total_number_of_cores (void)
static void	gen_pstate_entries (const sst_table_t *const pstates, const int cpuID, const int cores_per_package, const uint8_t coordination)
void	generate_cpu_entries (const struct device *device)
	Generate ACPI entries for Speedstep for each cpu. More...

Function Documentation

determine_total_number_of_cores()

static int determine_total_number_of_cores ( void  )

static

Definition at line 12 of file acpi.c.

References all_devices, device::bus, count, bus::dev, DEVICE_PATH_APIC, DEVICE_PATH_CPU_CLUSTER, device::enabled, device::next, device::path, and device_path::type.

Referenced by generate_cpu_entries().

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gen_pstate_entries()

static void gen_pstate_entries ( const sst_table_t *const  pstates, const int  cpuID, const int  cores_per_package, const uint8_t  coordination  )

static

Definition at line 28 of file acpi.c.

References acpigen_pop_len(), acpigen_write_empty_PCT(), acpigen_write_name(), acpigen_write_package(), acpigen_write_PPC(), acpigen_write_PSD_package(), acpigen_write_PSS_package(), BIOS_DEBUG, BIOS_ERR, get_ia32_fsb_x3(), sst_state_t::is_slfm, sst_state_t::is_turbo, sst_table_t::num_states, sst_state_t::power, printk, SPEEDSTEP_DOUBLE_RATIO, SPEEDSTEP_ENCODE_STATE, and sst_table_t::states.

Referenced by generate_cpu_entries().

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generate_cpu_entries()

void generate_cpu_entries

(

const struct device *

device

)

Generate ACPI entries for Speedstep for each cpu.

Definition at line 82 of file acpi.c.

References acpigen_pop_len(), acpigen_write_CST_package(), acpigen_write_name_integer(), acpigen_write_processor(), acpigen_write_processor_cnot(), acpigen_write_processor_package(), acpigen_write_scope(), BIOS_DEBUG, cpuid_eax(), cpuid_ebx(), determine_total_number_of_cores(), gen_pstate_entries(), get_cst_entries(), HW_ALL, PMB0_BASE, printk, speedstep_gen_pstates(), and SW_ANY.

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