ramstage.c File Reference

#include <arch/cpu.h>
#include <acpi/acpi_gnvs.h>
#include <acpi/acpi_pm.h>
#include <bootstate.h>
#include <console/console.h>
#include <cpu/intel/microcode.h>
#include <cpu/x86/cr.h>
#include <cpu/x86/msr.h>
#include <device/device.h>
#include <device/pci_def.h>
#include <device/pci_ops.h>
#include <soc/device_nvs.h>
#include <soc/gpio.h>
#include <soc/lpc.h>
#include <soc/msr.h>
#include <soc/nvs.h>
#include <soc/pattrs.h>
#include <soc/pci_devs.h>
#include <soc/pm.h>
#include <soc/ramstage.h>
#include <soc/iosf.h>

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Macros
#define	SHOW_PATTRS   1

Functions
static void	detect_num_cpus (struct pattrs *attrs)
static void	fill_in_msr (msr_t *msr, int idx)
static void	fill_in_pattrs (void)
size_t	size_of_dnvs (void)
static void	pm_fill_gnvs (struct global_nvs *gnvs, const struct chipset_power_state *ps)
static void	acpi_save_wake_source (void *unused)
	BOOT_STATE_INIT_ENTRY (BS_PRE_DEVICE, BS_ON_ENTRY, acpi_save_wake_source, NULL)
static void	baytrail_enable_2x_refresh_rate (void)
void	baytrail_init_pre_device (struct soc_intel_baytrail_config *config)

Variables
struct pattrs	__global_pattrs
static const char *	stepping_str []

Macro Definition Documentation

SHOW_PATTRS

#define SHOW_PATTRS   1

Definition at line 26 of file ramstage.c.

Function Documentation

acpi_save_wake_source()

static void acpi_save_wake_source ( void *  unused )

static

Definition at line 143 of file ramstage.c.

References acpi_pm_state_for_wake(), acpi_reset_gnvs_for_wake(), BIOS_DEBUG, gnvs, global_nvs::pm1i, pm_fill_gnvs(), and printk.

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baytrail_enable_2x_refresh_rate()

static void baytrail_enable_2x_refresh_rate ( void  )

static

Definition at line 161 of file ramstage.c.

References iosf_dunit_read(), and iosf_dunit_write().

Referenced by baytrail_init_pre_device().

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baytrail_init_pre_device()

void baytrail_init_pre_device

(

struct soc_intel_baytrail_config *

config

)

Definition at line 170 of file ramstage.c.

References baytrail_enable_2x_refresh_rate(), baytrail_init_scc(), baytrail_run_reference_code(), config, CR4_OSFXSR, CR4_OSXMMEXCPT, fill_in_pattrs(), gpio_config, mainboard_get_gpios(), read_cr4(), setup_soc_gpios(), and write_cr4().

Referenced by soc_init().

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BOOT_STATE_INIT_ENTRY()

BOOT_STATE_INIT_ENTRY	(	BS_PRE_DEVICE	,
		BS_ON_ENTRY	,
		acpi_save_wake_source	,
		NULL
	)

detect_num_cpus()

static void detect_num_cpus ( struct pattrs *  attrs )

static

Definition at line 30 of file ramstage.c.

References attrs, cpuid_ext(), cpuid_result::ebx, and cpuid_result::ecx.

Referenced by fill_in_pattrs().

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fill_in_msr()

static void fill_in_msr ( msr_t *  msr, int  idx  )

inlinestatic

Definition at line 49 of file ramstage.c.

References BIOS_DEBUG, msr_struct::hi, msr_struct::lo, printk, rdmsr(), and SHOW_PATTRS.

Referenced by fill_in_pattrs().

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fill_in_pattrs()

static void fill_in_pattrs ( void  )

static

Definition at line 62 of file ramstage.c.

References ARRAY_SIZE, attrs, BIOS_DEBUG, bus_freq_khz(), cpuid_eax(), detect_num_cpus(), fill_in_msr(), IA32_PLATFORM_ID, IACORE_LFM, IACORE_MAX, IACORE_MIN, IACORE_TURBO, intel_microcode_find(), msr_struct::lo, LPC_DEV, LPC_FUNC, MSR_IACORE_RATIOS, MSR_IACORE_TURBO_RATIOS, MSR_IACORE_TURBO_VIDS, MSR_IACORE_VIDS, MSR_PLATFORM_INFO, pattrs_get(), pci_read_config8(), pcidev_on_root(), printk, rdmsr(), REVID, RID_A_STEPPING_START, RID_B_STEPPING_START, RID_C_STEPPING_START, RID_D_STEPPING_START, SHOW_PATTRS, STEP_A0, STEP_B0, STEP_C0, STEP_D0, and stepping_str.

Referenced by baytrail_init_pre_device().

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pm_fill_gnvs()

static void pm_fill_gnvs ( struct global_nvs *  gnvs, const struct chipset_power_state *  ps  )

static

Definition at line 125 of file ramstage.c.

References gnvs, chipset_power_state::pm1_en, chipset_power_state::pm1_sts, and global_nvs::pm1i.

Referenced by acpi_save_wake_source().

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size_of_dnvs()

size_t size_of_dnvs

(

void

)

Definition at line 119 of file ramstage.c.

Variable Documentation

__global_pattrs

struct pattrs __global_pattrs

Definition at line 1 of file ramstage.c.

stepping_str

const char* stepping_str[]

static

Initial value:

= {
        "A0", "A1", "B0", "B1", "B2", "B3", "C0", "D0",
}

Definition at line 58 of file ramstage.c.

Referenced by fill_in_pattrs().