tco.c File Reference

#include <arch/io.h>
#include <device/pci_ops.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_def.h>
#include <intelblocks/gpmr.h>
#include <intelblocks/pcr.h>
#include <intelblocks/pmclib.h>
#include <intelblocks/tco.h>
#include <soc/iomap.h>
#include <soc/pci_devs.h>
#include <soc/pcr_ids.h>
#include <soc/pm.h>
#include <soc/smbus.h>

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Macros
#define	__SIMPLE_DEVICE__
#define	TCOBASE   0x50
#define	TCOCTL   0x54
#define	TCO_BASE_EN   (1 << 8)
#define	TCO_BASE_LOCK   (1 << 0)

Functions
static uint16_t	tco_get_bar (void)
uint16_t	tco_read_reg (uint16_t tco_reg)
void	tco_write_reg (uint16_t tco_reg, uint16_t value)
void	tco_lockdown (void)
uint32_t	tco_reset_status (void)
static void	tco_timer_disable (void)
static void	tco_intruder_smi_enable (void)
static void	tco_enable_bar (void)
void	tco_configure (void)

Macro Definition Documentation

__SIMPLE_DEVICE__

#define __SIMPLE_DEVICE__

Definition at line 3 of file tco.c.

TCO_BASE_EN

#define TCO_BASE_EN   (1 << 8)

Definition at line 23 of file tco.c.

TCO_BASE_LOCK

#define TCO_BASE_LOCK   (1 << 0)

Definition at line 24 of file tco.c.

TCOBASE

#define TCOBASE   0x50

Definition at line 21 of file tco.c.

TCOCTL

#define TCOCTL   0x54

Definition at line 22 of file tco.c.

Function Documentation

tco_configure()

void tco_configure

(

void

)

Definition at line 130 of file tco.c.

References CONFIG, tco_enable_bar(), tco_intruder_smi_enable(), and tco_timer_disable().

Referenced by bootblock_soc_early_init(), and bootblock_soc_init().

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tco_enable_bar()

static void tco_enable_bar ( void  )

static

Definition at line 104 of file tco.c.

References GPMR_TCOBASE, GPMR_TCOEN, gpmr_write32(), PCH_DEV_SMBUS, pci_read_config32(), pci_write_config32(), TCO_BASE_EN, tco_get_bar(), TCOBASE, and TCOCTL.

Referenced by tco_configure().

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tco_get_bar()

static uint16_t tco_get_bar ( void  )

static

Definition at line 27 of file tco.c.

References TCO_BASE_ADDRESS.

Referenced by tco_enable_bar(), tco_read_reg(), and tco_write_reg().

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tco_intruder_smi_enable()

static void tco_intruder_smi_enable ( void  )

static

Definition at line 92 of file tco.c.

References TCO2_CNT, TCO_INTRD_SEL_MASK, TCO_INTRD_SEL_SMI, tco_read_reg(), and tco_write_reg().

Referenced by tco_configure().

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tco_lockdown()

void tco_lockdown

(

void

)

Definition at line 50 of file tco.c.

References PCH_DEV_SMBUS, pci_or_config32(), TCO1_CNT, TCO_BASE_LOCK, TCO_LOCK, tco_read_reg(), tco_write_reg(), and TCOCTL.

Referenced by finalize_smbus(), pch_finalize(), and pch_finalize_script().

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tco_read_reg()

uint16_t tco_read_reg

(

uint16_t

tco_reg

)

Definition at line 32 of file tco.c.

References inw(), and tco_get_bar().

Referenced by bootblock_soc_init(), soc_fill_power_state(), tco_intruder_smi_enable(), tco_lockdown(), tco_reset_status(), and tco_timer_disable().

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tco_reset_status()

uint32_t tco_reset_status

(

void

)

Definition at line 64 of file tco.c.

References TCO1_STS, TCO2_STS, tco_read_reg(), TCO_STS_SECOND_TO, and tco_write_reg().

Referenced by pmc_clear_tco_status().

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tco_timer_disable()

static void tco_timer_disable ( void  )

static

Definition at line 81 of file tco.c.

References TCO1_CNT, tco_read_reg(), TCO_TMR_HLT, and tco_write_reg().

Referenced by tco_configure().

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tco_write_reg()

void tco_write_reg	(	uint16_t	tco_reg,
		uint16_t	value
	)

Definition at line 41 of file tco.c.

References outw(), tco_get_bar(), and value.

Referenced by bootblock_soc_init(), tco_intruder_smi_enable(), tco_lockdown(), tco_reset_status(), and tco_timer_disable().

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