cpu.c File Reference

#include <console/console.h>
#include <cpu/cpu.h>
#include <cpu/intel/common/common.h>
#include <cpu/intel/em64t100_save_state.h>
#include <cpu/intel/microcode.h>
#include <cpu/intel/smm_reloc.h>
#include <cpu/intel/turbo.h>
#include <cpu/x86/lapic.h>
#include <cpu/x86/mp.h>
#include <cpu/x86/msr.h>
#include <cpu/x86/mtrr.h>
#include <cpu/x86/smm.h>
#include <device/device.h>
#include <reg_script.h>
#include <soc/iosf.h>
#include <soc/msr.h>
#include <soc/pattrs.h>
#include <soc/ramstage.h>
#include <types.h>

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Functions
static void	soc_core_init (struct device *cpu)
static void	pre_mp_init (void)
static int	get_cpu_count (void)
static void	fill_in_relocation_params (struct smm_relocation_params *params)
static void	get_smm_info (uintptr_t *perm_smbase, size_t *perm_smsize, size_t *smm_save_state_size)
static void	get_microcode_info (const void **microcode, int *parallel)
static void	per_cpu_smm_trigger (void)
static void	relocation_handler (int cpu, uintptr_t curr_smbase, uintptr_t staggered_smbase)
static void	post_mp_init (void)
void	mp_init_cpus (struct bus *cpu_bus)

Variables
static const struct reg_script	core_msr_script []
static struct device_operations	cpu_dev_ops
static const struct cpu_device_id	cpu_table []
static const struct cpu_driver driver	__cpu_driver
static const struct reg_script	package_msr_script []
static const struct mp_ops	mp_ops

Function Documentation

fill_in_relocation_params()

static void fill_in_relocation_params ( struct smm_relocation_params *  params )

static

Definition at line 120 of file cpu.c.

References MTRR_PHYS_MASK_VALID, MTRR_TYPE_WRBACK, params, and smm_region().

Referenced by get_smm_info().

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get_cpu_count()

static int get_cpu_count ( void  )

static

Definition at line 113 of file cpu.c.

References pattrs::num_cpus, and pattrs_get().

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get_microcode_info()

static void get_microcode_info ( const void **  microcode, int *  parallel  )

static

Definition at line 149 of file cpu.c.

References intel_ht_supported(), pattrs::microcode_patch, and pattrs_get().

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get_smm_info()

static void get_smm_info ( uintptr_t *  perm_smbase, size_t *  perm_smsize, size_t *  smm_save_state_size  )

static

Definition at line 137 of file cpu.c.

References BIOS_DEBUG, fill_in_relocation_params(), printk, smm_reloc_params, smm_subregion(), and SMM_SUBREGION_HANDLER.

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mp_init_cpus()

void mp_init_cpus

(

struct bus *

cpu_bus

)

Definition at line 197 of file cpu.c.

References mp_init_with_smm().

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per_cpu_smm_trigger()

static void per_cpu_smm_trigger ( void  )

static

Definition at line 157 of file cpu.c.

References intel_microcode_load_unlocked(), pattrs::microcode_patch, pattrs_get(), and smm_initiate_relocation().

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post_mp_init()

static void post_mp_init ( void  )

static

Definition at line 181 of file cpu.c.

pre_mp_init()

static void pre_mp_init ( void  )

static

Definition at line 91 of file cpu.c.

References BUNIT_SMRWAC, enable_turbo(), iosf_bunit_read(), iosf_bunit_write(), package_msr_script, reg_script_run(), SAI_IA_UNTRUSTED, x86_mtrr_check(), and x86_setup_mtrrs_with_detect().

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relocation_handler()

static void relocation_handler ( int  cpu, uintptr_t  curr_smbase, uintptr_t  staggered_smbase  )

static

Definition at line 168 of file cpu.c.

References IA32_SMRR_PHYS_BASE, IA32_SMRR_PHYS_MASK, SMM_EM64T100_SAVE_STATE_OFFSET, smm_reloc_params, smm_relocation_params::smrr_base, smm_relocation_params::smrr_mask, and wrmsr().

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soc_core_init()

static void soc_core_init ( struct device *  cpu )

static

Definition at line 35 of file cpu.c.

Variable Documentation

__cpu_driver

const struct cpu_driver driver __cpu_driver

static

Initial value:

= {
        .ops      = &cpu_dev_ops,
        .id_table = cpu_table,
}

Definition at line 35 of file cpu.c.

core_msr_script

const struct reg_script core_msr_script[]

static

Initial value:

= {
        
        REG_MSR_RMW(MSR_PKG_CST_CONFIG_CONTROL, ~0x3f080f, 0xe0008),
        REG_MSR_RMW(MSR_POWER_MISC, ~(ENABLE_ULFM_AUTOCM_MASK | ENABLE_INDP_AUTOCM_MASK), 0),
 
        
        REG_MSR_RMW(MSR_POWER_CTL, ~0x2, 0),
        REG_MSR_OR(MSR_POWER_MISC, 0x44),
        REG_SCRIPT_END
}

Definition at line 1 of file cpu.c.

cpu_dev_ops

struct device_operations cpu_dev_ops

static

Initial value:

= {
        .init = soc_core_init,
}

Definition at line 35 of file cpu.c.

cpu_table

const struct cpu_device_id cpu_table[]

static

Initial value:

= {
        { X86_VENDOR_INTEL, 0x30673 },
        { X86_VENDOR_INTEL, 0x30678 },
        { X86_VENDOR_INTEL, 0x30679 },
        { 0, 0 },
}

Definition at line 35 of file cpu.c.

mp_ops

const struct mp_ops mp_ops

static

Initial value:

= {
        .pre_mp_init         = pre_mp_init,
        .get_cpu_count       = get_cpu_count,
        .get_smm_info        = get_smm_info,
        .get_microcode_info  = get_microcode_info,
        .pre_mp_smm_init     = smm_southbridge_clear_state,
        .per_cpu_smm_trigger = per_cpu_smm_trigger,
        .relocation_handler  = relocation_handler,
        .post_mp_init        = post_mp_init,
}

Definition at line 181 of file cpu.c.

package_msr_script

const struct reg_script package_msr_script[]

static

Initial value:

= {
        
        REG_MSR_WRITE(MSR_PKG_POWER_LIMIT, 0x3880fa),
        REG_MSR_RMW(MSR_PP1_POWER_LIMIT, ~(0x7f << 17), 0),
        REG_MSR_WRITE(MSR_PKG_TURBO_CFG1, 0x702),
        REG_MSR_WRITE(MSR_CPU_TURBO_WKLD_CFG1, 0x200b),
        REG_MSR_WRITE(MSR_CPU_TURBO_WKLD_CFG2, 0),
        REG_MSR_WRITE(MSR_CPU_THERM_CFG1, 0x00000305),
        REG_MSR_WRITE(MSR_CPU_THERM_CFG2, 0x0405500d),
        REG_MSR_WRITE(MSR_CPU_THERM_SENS_CFG, 0x27),
        REG_SCRIPT_END
}

Definition at line 35 of file cpu.c.

Referenced by pre_mp_init().