chromeos.c File Reference

#include <boardid.h>
#include <bootmode.h>
#include <boot/coreboot_tables.h>
#include <console/console.h>
#include <delay.h>
#include <drivers/i2c/ww_ring/ww_ring.h>
#include <gpio.h>
#include <soc/cdp.h>
#include <soc/gsbi.h>
#include <timer.h>

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Macros
#define	DEV_SW   15
#define	REC_SW   16
#define	WP_SW   17
#define	WIPEOUT_MODE_DELAY_MS   (8 * 1000)
#define	RECOVERY_MODE_EXTRA_DELAY_MS   (8 * 1000)

Enumerations
enum	switch_state {   not_probed = -1 , no_req , recovery_req , wipeout_req ,   not_probed = -1 , no_req , recovery_req , wipeout_req }

Functions
static int	read_gpio (gpio_t gpio_num)
void	fill_lb_gpios (struct lb_gpios *gpios)
static void	display_pattern (int pattern)
static enum switch_state	get_switch_state (void)
int	get_recovery_mode_switch (void)
	HACK: Use Fn-Key as recovery mode switch. More...
int	get_wipeout_mode_switch (void)
int	get_write_protect_state (void)
	Only used if CONFIG(CHROMEOS) is set. More...
int	get_ec_is_trusted (void)

Macro Definition Documentation

DEV_SW

#define DEV_SW   15

Definition at line 14 of file chromeos.c.

REC_SW

#define REC_SW   16

Definition at line 15 of file chromeos.c.

RECOVERY_MODE_EXTRA_DELAY_MS

#define RECOVERY_MODE_EXTRA_DELAY_MS   (8 * 1000)

Definition at line 62 of file chromeos.c.

WIPEOUT_MODE_DELAY_MS

#define WIPEOUT_MODE_DELAY_MS   (8 * 1000)

Definition at line 61 of file chromeos.c.

WP_SW

#define WP_SW   17

Definition at line 16 of file chromeos.c.

Enumeration Type Documentation

switch_state

enum switch_state

Enumerator
not_probed
no_req
recovery_req
wipeout_req
not_probed
no_req
recovery_req
wipeout_req

Definition at line 48 of file chromeos.c.

Function Documentation

display_pattern()

static void display_pattern ( int  pattern )

static

Definition at line 55 of file chromeos.c.

References board_id(), BOARD_ID_WHIRLWIND_SP5, GSBI_ID_7, pattern, and ww_ring_display_pattern().

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fill_lb_gpios()

void fill_lb_gpios

(

struct lb_gpios *

gpios

)

Definition at line 26 of file chromeos.c.

References ACTIVE_LOW, ARRAY_SIZE, DEV_SW, lb_add_gpios(), read_gpio(), and REC_SW.

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get_ec_is_trusted()

int get_ec_is_trusted

(

void

)

Definition at line 132 of file chromeos.c.

get_recovery_mode_switch()

int get_recovery_mode_switch

(

void

)

HACK: Use Fn-Key as recovery mode switch.

Wait for sense register ready and read Fn-Key state.

Definition at line 117 of file chromeos.c.

References get_switch_state(), and recovery_req.

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get_switch_state()

static enum switch_state get_switch_state ( void  )

static

Definition at line 55 of file chromeos.c.

Referenced by get_recovery_mode_switch(), and get_wipeout_mode_switch().

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get_wipeout_mode_switch()

int get_wipeout_mode_switch

(

void

)

Definition at line 122 of file chromeos.c.

References get_switch_state(), and wipeout_req.

Referenced by verstage_main().

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get_write_protect_state()

int get_write_protect_state

(

void

)

Only used if CONFIG(CHROMEOS) is set.

Always zero as the WP pin of the flash is tied high.

Definition at line 127 of file chromeos.c.

References read_gpio(), and WP_SW.

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read_gpio()

static int read_gpio ( gpio_t  gpio_num )

static

Definition at line 18 of file chromeos.c.

References GPIO_2MA, GPIO_DISABLE, GPIO_FUNC_DISABLE, gpio_get(), GPIO_NO_PULL, gpio_tlmm_config_set(), and udelay().

Referenced by fill_lb_gpios(), and get_write_protect_state().

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