mainboard.c File Reference

#include <acpi/acpi.h>
#include <baseboard/variants.h>
#include <bootmode.h>
#include <chip.h>
#include <console/console.h>
#include <delay.h>
#include <device/device.h>
#include <ec/ec.h>
#include <ec/google/chromeec/ec.h>
#include <gpio.h>
#include <intelblocks/power_limit.h>
#include <smbios.h>
#include <soc/gpio.h>
#include <soc/pci_devs.h>
#include <soc/nhlt.h>
#include <string.h>
#include <timer.h>
#include <variant/gpio.h>

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Macros
#define	FIZZ_SKU_ID_I7_U42   0x4
#define	FIZZ_SKU_ID_I5_U42   0x5
#define	FIZZ_SKU_ID_I3_U42   0x6
#define	FIZZ_SKU_ID_I7_U22   0x3
#define	FIZZ_SKU_ID_I5_U22   0x2
#define	FIZZ_SKU_ID_I3_U22   0x1
#define	FIZZ_SKU_ID_CEL_U22   0x0
#define	FIZZ_PL2_U42   44
#define	FIZZ_PL2_U22   29
#define	FIZZ_PSYSPL2_U22   65
#define	FIZZ_PSYSPL2_U42   90
#define	FIZZ_MAX_TIME_WINDOW   6
#define	FIZZ_MIN_DUTYCYCLE   4
#define	SET_PSYSPL2(w)   (9 * (w) / 10)
#define	GPIO_HDMI_HPD   GPP_E13
#define	GPIO_DP_HPD   GPP_E14

Functions
static uint8_t	read_sku_id_from_gpio (void)
static uint8_t	board_sku_id (void)
static void	mainboard_set_power_limits (struct soc_power_limits_config *conf)
static uint8_t	read_oem_id_from_gpio (void)
static uint8_t	board_oem_id (void)
const char *	smbios_system_sku (void)
static void	mainboard_init (struct device *dev)
static unsigned long	mainboard_write_acpi_tables (const struct device *device, unsigned long current, acpi_rsdp_t *rsdp)
static void	mainboard_enable (struct device *dev)
static void	wait_for_hpd (gpio_t gpio, long timeout)
void __weak	variant_chip_display_init (void)
static void	mainboard_chip_init (void *chip_info)

Variables
struct chip_operations	mainboard_ops

Macro Definition Documentation

FIZZ_MAX_TIME_WINDOW

#define FIZZ_MAX_TIME_WINDOW   6

Definition at line 34 of file mainboard.c.

FIZZ_MIN_DUTYCYCLE

#define FIZZ_MIN_DUTYCYCLE   4

Definition at line 35 of file mainboard.c.

FIZZ_PL2_U22

#define FIZZ_PL2_U22   29

Definition at line 31 of file mainboard.c.

FIZZ_PL2_U42

#define FIZZ_PL2_U42   44

Definition at line 30 of file mainboard.c.

FIZZ_PSYSPL2_U22

#define FIZZ_PSYSPL2_U22   65

Definition at line 32 of file mainboard.c.

FIZZ_PSYSPL2_U42

#define FIZZ_PSYSPL2_U42   90

Definition at line 33 of file mainboard.c.

FIZZ_SKU_ID_CEL_U22

#define FIZZ_SKU_ID_CEL_U22   0x0

Definition at line 29 of file mainboard.c.

FIZZ_SKU_ID_I3_U22

#define FIZZ_SKU_ID_I3_U22   0x1

Definition at line 28 of file mainboard.c.

FIZZ_SKU_ID_I3_U42

#define FIZZ_SKU_ID_I3_U42   0x6

Definition at line 25 of file mainboard.c.

FIZZ_SKU_ID_I5_U22

#define FIZZ_SKU_ID_I5_U22   0x2

Definition at line 27 of file mainboard.c.

FIZZ_SKU_ID_I5_U42

#define FIZZ_SKU_ID_I5_U42   0x5

Definition at line 24 of file mainboard.c.

FIZZ_SKU_ID_I7_U22

#define FIZZ_SKU_ID_I7_U22   0x3

Definition at line 26 of file mainboard.c.

FIZZ_SKU_ID_I7_U42

#define FIZZ_SKU_ID_I7_U42   0x4

Definition at line 23 of file mainboard.c.

GPIO_DP_HPD

#define GPIO_DP_HPD   GPP_E14

Definition at line 229 of file mainboard.c.

GPIO_HDMI_HPD

#define GPIO_HDMI_HPD   GPP_E13

Definition at line 228 of file mainboard.c.

SET_PSYSPL2

#define SET_PSYSPL2

(

w

)

(9 * (w) / 10)

Definition at line 40 of file mainboard.c.

Function Documentation

board_oem_id()

static uint8_t board_oem_id ( void  )

static

Definition at line 155 of file mainboard.c.

References google_chromeec_cbi_get_oem_id(), and read_oem_id_from_gpio().

Referenced by smbios_system_sku().

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board_sku_id()

static uint8_t board_sku_id ( void  )

static

Definition at line 53 of file mainboard.c.

References google_chromeec_cbi_get_sku_id(), read_sku_id_from_gpio(), and sku_id().

Referenced by mainboard_set_power_limits().

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mainboard_chip_init()

static void mainboard_chip_init ( void *  chip_info )

static

Definition at line 266 of file mainboard.c.

References gpio_configure_pads(), variant_chip_display_init(), and variant_gpio_table().

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mainboard_enable()

static void mainboard_enable ( struct device *  dev )

static

Definition at line 216 of file mainboard.c.

References config_of_soc, device_operations::init, mainboard_init(), mainboard_set_power_limits(), mainboard_write_acpi_tables(), and device::ops.

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mainboard_init()

static void mainboard_init ( struct device *  dev )

static

Definition at line 183 of file mainboard.c.

References mainboard_ec_init().

Referenced by mainboard_enable().

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mainboard_set_power_limits()

static void mainboard_set_power_limits ( struct soc_power_limits_config *  conf )

static

Definition at line 102 of file mainboard.c.

References board_sku_id(), FIZZ_MAX_TIME_WINDOW, FIZZ_MIN_DUTYCYCLE, FIZZ_PL2_U22, FIZZ_PL2_U42, FIZZ_PSYSPL2_U22, FIZZ_PSYSPL2_U42, FIZZ_SKU_ID_I3_U42, FIZZ_SKU_ID_I5_U42, FIZZ_SKU_ID_I7_U42, google_chromeec_get_usb_pd_power_info(), SET_PSYSPL2, sku, soc_power_limits_config::tdp_pl2_override, soc_power_limits_config::tdp_pl4, soc_power_limits_config::tdp_psyspl2, soc_power_limits_config::tdp_psyspl3, soc_power_limits_config::tdp_psyspl3_dutycycle, soc_power_limits_config::tdp_psyspl3_time, type, and USB_CHG_TYPE_PD.

Referenced by mainboard_enable().

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mainboard_write_acpi_tables()

static unsigned long mainboard_write_acpi_tables ( const struct device *  device, unsigned long  current, acpi_rsdp_t *  rsdp  )

static

Definition at line 188 of file mainboard.c.

References acpi_add_table(), nhlt_init(), nhlt_soc_serialize_oem_overrides(), NULL, variant_nhlt_init(), and variant_nhlt_oem_overrides().

Referenced by mainboard_enable().

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read_oem_id_from_gpio()

static uint8_t read_oem_id_from_gpio ( void  )

static

Definition at line 145 of file mainboard.c.

References ARRAY_SIZE, gpio_base2_value(), GPIO_OEM_ID1, GPIO_OEM_ID2, and GPIO_OEM_ID3.

Referenced by board_oem_id().

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read_sku_id_from_gpio()

static uint8_t read_sku_id_from_gpio ( void  )

static

Definition at line 42 of file mainboard.c.

References ARRAY_SIZE, gpio_base2_value(), GPIO_SKU_ID0, GPIO_SKU_ID1, GPIO_SKU_ID2, and GPIO_SKU_ID3.

Referenced by board_sku_id().

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smbios_system_sku()

const char* smbios_system_sku

(

void

)

Definition at line 174 of file mainboard.c.

References board_oem_id(), and snprintf().

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variant_chip_display_init()

void __weak variant_chip_display_init

(

void

)

Definition at line 252 of file mainboard.c.

References display_init_required(), google_chromeec_wait_for_displayport(), GPIO_DP_HPD, gpio_get(), GPIO_HDMI_HPD, gpio_input(), and wait_for_hpd().

Referenced by mainboard_chip_init().

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wait_for_hpd()

static void wait_for_hpd ( gpio_t  gpio, long  timeout  )

static

Definition at line 232 of file mainboard.c.

References BIOS_INFO, BIOS_WARNING, gpio_get(), gpio_input(), mdelay(), printk, stopwatch_duration_msecs(), stopwatch_expired(), and stopwatch_init_msecs_expire().

Referenced by variant_chip_display_init().

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Variable Documentation

mainboard_ops

struct chip_operations mainboard_ops

Initial value:

= {
        .init = mainboard_chip_init,
        .enable_dev = mainboard_enable,
}

Definition at line 266 of file mainboard.c.