#include <amdblocks/chip.h>
#include <amdblocks/espi.h>
#include <amdblocks/lpc.h>
#include <arch/mmio.h>
#include <console/console.h>
#include <espi.h>
#include <soc/pci_devs.h>
#include <timer.h>
#include <types.h>
#include "espi_def.h"

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Data Structures
union	espi_txhdr0

union	espi_txhdr1

union	espi_txhdr2

union	espi_txdata

struct	espi_cmd

Macros
#define	ESPI_CMD_TIMEOUT_US 100

#define	ESPI_CH_READY_TIMEOUT_US 10000

#define	ESPI_CONFIGURATION_HDATA0(a) (((a) >> 8) & 0xff)

#define	ESPI_CONFIGURATION_HDATA1(a) ((a) & 0xff)

Enumerations
enum	espi_cmd_type { CMD_TYPE_SET_CONFIGURATION = 0 , CMD_TYPE_GET_CONFIGURATION = 1 , CMD_TYPE_IN_BAND_RESET = 2 , CMD_TYPE_PERIPHERAL = 4 , CMD_TYPE_VW = 5 , CMD_TYPE_OOB = 6 , CMD_TYPE_FLASH = 7 }

Functions
void	espi_update_static_bar (uintptr_t bar)

__weak void	mb_set_up_early_espi (void)

static uintptr_t	espi_get_bar (void)

static uint32_t	espi_read32 (unsigned int reg)

static void	espi_write32 (unsigned int reg, uint32_t val)

static uint16_t	espi_read16 (unsigned int reg)

static void	espi_write16 (unsigned int reg, uint16_t val)

static uint8_t	espi_read8 (unsigned int reg)

static void	espi_write8 (unsigned int reg, uint8_t val)

static uint32_t	espi_decode_io_range_en_bit (unsigned int idx)

static uint32_t	espi_decode_mmio_range_en_bit (unsigned int idx)

static unsigned int	espi_io_range_base_reg (unsigned int idx)

static unsigned int	espi_io_range_size_reg (unsigned int idx)

static unsigned int	espi_mmio_range_base_reg (unsigned int idx)

static unsigned int	espi_mmio_range_size_reg (unsigned int idx)

static void	espi_enable_decode (uint32_t decode_en)

static bool	espi_is_decode_enabled (uint32_t decode)

static int	espi_find_io_window (uint16_t win_base)

static int	espi_get_unused_io_window (void)

static void	espi_clear_decodes (void)

static int	espi_std_io_decode (uint16_t base, size_t size)

static size_t	espi_get_io_window_size (int idx)

static void	espi_write_io_window (int idx, uint16_t base, size_t size)

static enum cb_err	espi_open_generic_io_window (uint16_t base, size_t size)

enum cb_err	espi_open_io_window (uint16_t base, size_t size)

static int	espi_find_mmio_window (uint32_t win_base)

static int	espi_get_unused_mmio_window (void)

static size_t	espi_get_mmio_window_size (int idx)

static void	espi_write_mmio_window (int idx, uint32_t base, size_t size)

enum cb_err	espi_open_mmio_window (uint32_t base, size_t size)

static const struct espi_config *	espi_get_config (void)

static enum cb_err	espi_configure_decodes (const struct espi_config *cfg)

static enum cb_err	espi_wait_ready (void)

static void	espi_clear_status (void)

static enum cb_err	espi_poll_status (uint32_t *status)

static void	espi_show_failure (const struct espi_cmd cmd, const char str, uint32_t status)

static enum cb_err	espi_send_command (const struct espi_cmd *cmd)

static enum cb_err	espi_send_reset (void)

static enum cb_err	espi_send_pltrst (const struct espi_config *mb_cfg, bool assert)

static enum cb_err	espi_get_configuration (uint16_t slave_reg_addr, uint32_t *config)

static enum cb_err	espi_set_configuration (uint16_t slave_reg_addr, uint32_t config)

static enum cb_err	espi_get_general_configuration (uint32_t *config)

static void	espi_set_io_mode_config (enum espi_io_mode mb_io_mode, uint32_t slave_caps, uint32_t slave_config, uint32_t ctrlr_config)

static void	espi_set_op_freq_config (enum espi_op_freq mb_op_freq, uint32_t slave_caps, uint32_t slave_config, uint32_t ctrlr_config)

static void	espi_set_alert_pin_config (enum espi_alert_pin alert_pin, uint32_t slave_caps, uint32_t slave_config, uint32_t ctrlr_config)

static enum cb_err	espi_set_general_configuration (const struct espi_config *mb_cfg, uint32_t slave_caps)

static enum cb_err	espi_wait_channel_ready (uint16_t slave_reg_addr)

static void	espi_enable_ctrlr_channel (uint32_t channel_en)

static enum cb_err	espi_set_channel_configuration (uint32_t slave_config, uint32_t slave_reg_addr, uint32_t ctrlr_enable)

static enum cb_err	espi_setup_vw_channel (const struct espi_config *mb_cfg, uint32_t slave_caps)

static enum cb_err	espi_setup_periph_channel (const struct espi_config *mb_cfg, uint32_t slave_caps)

static enum cb_err	espi_setup_oob_channel (const struct espi_config *mb_cfg, uint32_t slave_caps)

static enum cb_err	espi_setup_flash_channel (const struct espi_config *mb_cfg, uint32_t slave_caps)

static void	espi_set_initial_config (const struct espi_config *mb_cfg)

static void	espi_setup_subtractive_decode (const struct espi_config *mb_cfg)

enum cb_err	espi_setup (void)

void	configure_espi_with_mb_hook (void)

Variables
static uintptr_t	espi_bar

union espi_txhdr0	__packed

Macro Definition Documentation

◆ ESPI_CH_READY_TIMEOUT_US

#define ESPI_CH_READY_TIMEOUT_US 10000

Definition at line 364 of file espi_util.c.

◆ ESPI_CMD_TIMEOUT_US

#define ESPI_CMD_TIMEOUT_US 100

Definition at line 363 of file espi_util.c.

◆ ESPI_CONFIGURATION_HDATA0

#define ESPI_CONFIGURATION_HDATA0 ( a ) (((a) >> 8) & 0xff)

Definition at line 581 of file espi_util.c.

◆ ESPI_CONFIGURATION_HDATA1

#define ESPI_CONFIGURATION_HDATA1 ( a ) ((a) & 0xff)

Definition at line 582 of file espi_util.c.

Enumeration Type Documentation

◆ espi_cmd_type

enum espi_cmd_type

Enumerator
CMD_TYPE_SET_CONFIGURATION
CMD_TYPE_GET_CONFIGURATION
CMD_TYPE_IN_BAND_RESET
CMD_TYPE_PERIPHERAL
CMD_TYPE_VW
CMD_TYPE_OOB
CMD_TYPE_FLASH

Definition at line 353 of file espi_util.c.

Function Documentation

◆ configure_espi_with_mb_hook()

void configure_espi_with_mb_hook ( void )

Definition at line 1052 of file espi_util.c.

References espi_setup(), and mb_set_up_early_espi().

Referenced by fch_pre_init().

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◆ espi_clear_decodes()

static void espi_clear_decodes ( void )

static

Definition at line 137 of file espi_util.c.

References CONFIG, ESPI_DECODE, ESPI_DECODE_IO_0x80_EN, ESPI_GENERIC_IO_WIN_COUNT, ESPI_GENERIC_MMIO_WIN_COUNT, espi_io_range_base_reg(), espi_io_range_size_reg(), espi_mmio_range_base_reg(), espi_mmio_range_size_reg(), espi_read16(), espi_write16(), espi_write32(), and espi_write8().

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◆ espi_clear_status()

static void espi_clear_status ( void )

static

Definition at line 432 of file espi_util.c.

References espi_read32(), ESPI_SLAVE0_INT_STS, and espi_write32().

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◆ espi_configure_decodes()

static enum cb_err espi_configure_decodes ( const struct espi_config * cfg )

static

Definition at line 326 of file espi_util.c.

References die(), soc_amd_common_config::espi_config, and soc_get_common_config().

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◆ espi_decode_io_range_en_bit()

static uint32_t espi_decode_io_range_en_bit ( unsigned int idx )

inlinestatic

Definition at line 63 of file espi_util.c.

References ESPI_DECODE_IO_RANGE_EN.

Referenced by espi_find_io_window(), and espi_get_unused_io_window().

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◆ espi_decode_mmio_range_en_bit()

static uint32_t espi_decode_mmio_range_en_bit ( unsigned int idx )

inlinestatic

Definition at line 68 of file espi_util.c.

References ESPI_DECODE_MMIO_RANGE_EN.

Referenced by espi_find_mmio_window(), and espi_get_unused_mmio_window().

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◆ espi_enable_ctrlr_channel()

static void espi_enable_ctrlr_channel ( uint32_t channel_en )

static

Definition at line 773 of file espi_util.c.

References espi_read32(), ESPI_SLAVE0_CONFIG, and espi_write32().

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◆ espi_enable_decode()

static void espi_enable_decode ( uint32_t decode_en )

static

Definition at line 93 of file espi_util.c.

References ESPI_DECODE, espi_read32(), espi_write32(), and val.

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◆ espi_find_io_window()

static int espi_find_io_window ( uint16_t win_base )

static

Definition at line 110 of file espi_util.c.

References espi_decode_io_range_en_bit(), ESPI_GENERIC_IO_WIN_COUNT, espi_io_range_base_reg(), espi_is_decode_enabled(), and espi_read16().

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◆ espi_find_mmio_window()

static int espi_find_mmio_window ( uint32_t win_base )

static

Definition at line 247 of file espi_util.c.

References espi_decode_mmio_range_en_bit(), ESPI_GENERIC_MMIO_WIN_COUNT, espi_is_decode_enabled(), espi_mmio_range_base_reg(), and espi_read32().

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◆ espi_get_bar()

static uintptr_t espi_get_bar ( void )

static

Definition at line 26 of file espi_util.c.

References ENV_X86, espi_bar, ESPI_OFFSET_FROM_BAR, espi_update_static_bar(), and lpc_get_spibase().

Referenced by espi_read16(), espi_read32(), espi_read8(), espi_write16(), espi_write32(), and espi_write8().

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◆ espi_get_config()

static const struct espi_config* espi_get_config ( void )

static

Definition at line 326 of file espi_util.c.

◆ espi_get_configuration()

static enum cb_err espi_get_configuration	(	uint16_t	slave_reg_addr,
		uint32_t *	config
	)

static

Definition at line 459 of file espi_util.c.

References BIOS_ERR, espi_cmd::data, espi_cmd::hdr0, espi_cmd::hdr1, espi_cmd::hdr2, printk, espi_txhdr0::val, espi_txhdr1::val, espi_txhdr2::val, and espi_txdata::val.

◆ espi_get_general_configuration()

static enum cb_err espi_get_general_configuration ( uint32_t * config )

static

Definition at line 459 of file espi_util.c.

◆ espi_get_io_window_size()

static size_t espi_get_io_window_size ( int idx )

static

Definition at line 183 of file espi_util.c.

References espi_io_range_size_reg(), and espi_read8().

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◆ espi_get_mmio_window_size()

static size_t espi_get_mmio_window_size ( int idx )

static

Definition at line 275 of file espi_util.c.

References espi_mmio_range_size_reg(), and espi_read16().

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◆ espi_get_unused_io_window()

static int espi_get_unused_io_window ( void )

static

Definition at line 125 of file espi_util.c.

References espi_decode_io_range_en_bit(), ESPI_GENERIC_IO_WIN_COUNT, and espi_is_decode_enabled().

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◆ espi_get_unused_mmio_window()

static int espi_get_unused_mmio_window ( void )

static

Definition at line 262 of file espi_util.c.

References espi_decode_mmio_range_en_bit(), ESPI_GENERIC_MMIO_WIN_COUNT, and espi_is_decode_enabled().

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◆ espi_io_range_base_reg()

static unsigned int espi_io_range_base_reg ( unsigned int idx )

inlinestatic

Definition at line 73 of file espi_util.c.

References ESPI_IO_RANGE_BASE.

Referenced by espi_clear_decodes(), espi_find_io_window(), and espi_open_generic_io_window().

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◆ espi_io_range_size_reg()

static unsigned int espi_io_range_size_reg ( unsigned int idx )

inlinestatic

Definition at line 78 of file espi_util.c.

References ESPI_IO_RANGE_SIZE.

Referenced by espi_clear_decodes(), espi_get_io_window_size(), and espi_open_generic_io_window().

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◆ espi_is_decode_enabled()

static bool espi_is_decode_enabled ( uint32_t decode )

static

Definition at line 102 of file espi_util.c.

References ESPI_DECODE, espi_read32(), and val.

Referenced by espi_find_io_window(), espi_find_mmio_window(), espi_get_unused_io_window(), and espi_get_unused_mmio_window().

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◆ espi_mmio_range_base_reg()

static unsigned int espi_mmio_range_base_reg ( unsigned int idx )

inlinestatic

Definition at line 83 of file espi_util.c.

References ESPI_MMIO_RANGE_BASE.

Referenced by espi_clear_decodes(), espi_find_mmio_window(), and espi_open_mmio_window().

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◆ espi_mmio_range_size_reg()

static unsigned int espi_mmio_range_size_reg ( unsigned int idx )

inlinestatic

Definition at line 88 of file espi_util.c.

References ESPI_MMIO_RANGE_SIZE.

Referenced by espi_clear_decodes(), espi_get_mmio_window_size(), and espi_open_mmio_window().

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◆ espi_open_generic_io_window()

static enum cb_err espi_open_generic_io_window	(	uint16_t	base,
		size_t	size
	)

static

Definition at line 188 of file espi_util.c.

References base, espi_io_range_base_reg(), espi_io_range_size_reg(), espi_write16(), and espi_write8().

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◆ espi_open_io_window()

enum cb_err espi_open_io_window	(	uint16_t	base,
		size_t	size
	)

Definition at line 188 of file espi_util.c.

Referenced by configure_child_espi_windows().

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◆ espi_open_mmio_window()

enum cb_err espi_open_mmio_window	(	uint32_t	base,
		size_t	size
	)

Definition at line 280 of file espi_util.c.

References base, espi_mmio_range_base_reg(), espi_mmio_range_size_reg(), espi_write16(), and espi_write32().

Referenced by configure_child_espi_windows().

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◆ espi_poll_status()

static enum cb_err espi_poll_status ( uint32_t * status )

static

Definition at line 432 of file espi_util.c.

◆ espi_read16()

static uint16_t espi_read16 ( unsigned int reg )

static

Definition at line 43 of file espi_util.c.

References espi_get_bar(), and read16().

Referenced by espi_clear_decodes(), espi_find_io_window(), and espi_get_mmio_window_size().

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◆ espi_read32()

static uint32_t espi_read32 ( unsigned int reg )

static

Definition at line 33 of file espi_util.c.

References espi_get_bar(), and read32().

Referenced by espi_clear_status(), espi_enable_ctrlr_channel(), espi_enable_decode(), espi_find_mmio_window(), espi_is_decode_enabled(), and espi_setup().

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◆ espi_read8()

static uint8_t espi_read8 ( unsigned int reg )

static

Definition at line 53 of file espi_util.c.

References espi_get_bar(), and read8().

Referenced by espi_get_io_window_size().

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◆ espi_send_command()

static enum cb_err espi_send_command ( const struct espi_cmd * cmd )

static

Definition at line 459 of file espi_util.c.

◆ espi_send_pltrst()

static enum cb_err espi_send_pltrst	(	const struct espi_config *	mb_cfg,
		bool	assert
	)

static

Definition at line 459 of file espi_util.c.

◆ espi_send_reset()

static enum cb_err espi_send_reset ( void )

static

Definition at line 459 of file espi_util.c.

◆ espi_set_alert_pin_config()

static void espi_set_alert_pin_config	(	enum espi_alert_pin	alert_pin,
		uint32_t	slave_caps,
		uint32_t *	slave_config,
		uint32_t *	ctrlr_config
	)

static

Definition at line 703 of file espi_util.c.

References die(), ESPI_ALERT_MODE, ESPI_ALERT_PIN_IN_BAND, ESPI_ALERT_PIN_OPEN_DRAIN, ESPI_ALERT_PIN_PUSH_PULL, ESPI_SLAVE_ALERT_MODE_IO1, ESPI_SLAVE_ALERT_MODE_PIN, ESPI_SLAVE_OPEN_DRAIN_ALERT_SEL, ESPI_SLAVE_OPEN_DRAIN_ALERT_SUPP, and ESPI_SLAVE_PUSH_PULL_ALERT_SEL.

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◆ espi_set_channel_configuration()

static enum cb_err espi_set_channel_configuration	(	uint32_t	slave_config,
		uint32_t	slave_reg_addr,
		uint32_t	ctrlr_enable
	)

static

Definition at line 773 of file espi_util.c.

◆ espi_set_configuration()

static enum cb_err espi_set_configuration	(	uint16_t	slave_reg_addr,
		uint32_t	config
	)

static

Definition at line 459 of file espi_util.c.

◆ espi_set_general_configuration()

static enum cb_err espi_set_general_configuration	(	const struct espi_config *	mb_cfg,
		uint32_t	slave_caps
	)

static

Definition at line 703 of file espi_util.c.

◆ espi_set_initial_config()

static void espi_set_initial_config ( const struct espi_config * mb_cfg )

static

Definition at line 904 of file espi_util.c.

References die(), ESPI_ALERT_MODE, ESPI_ALERT_PIN_IN_BAND, ESPI_ALERT_PIN_OPEN_DRAIN, ESPI_ALERT_PIN_PUSH_PULL, ESPI_IO_MODE_SINGLE, ESPI_OP_FREQ_16_MHZ, ESPI_SLAVE0_CONFIG, and espi_write32().

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◆ espi_set_io_mode_config()

static void espi_set_io_mode_config	(	enum espi_io_mode	mb_io_mode,
		uint32_t	slave_caps,
		uint32_t *	slave_config,
		uint32_t *	ctrlr_config
	)

static

Definition at line 635 of file espi_util.c.

References __fallthrough, BIOS_ERR, die(), ESPI_IO_MODE_DUAL, ESPI_IO_MODE_QUAD, ESPI_IO_MODE_SINGLE, ESPI_SLAVE_IO_MODE_SEL_DUAL, ESPI_SLAVE_IO_MODE_SEL_QUAD, ESPI_SLAVE_IO_MODE_SEL_SINGLE, espi_slave_supports_dual_io(), espi_slave_supports_quad_io(), and printk.

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◆ espi_set_op_freq_config()

static void espi_set_op_freq_config	(	enum espi_op_freq	mb_op_freq,
		uint32_t	slave_caps,
		uint32_t *	slave_config,
		uint32_t *	ctrlr_config
	)

static

Definition at line 665 of file espi_util.c.

References __fallthrough, BIOS_ERR, die(), ESPI_OP_FREQ_16_MHZ, ESPI_OP_FREQ_33_MHZ, ESPI_OP_FREQ_66_MHZ, espi_slave_max_speed_mhz_supported(), ESPI_SLAVE_OP_FREQ_SEL_20_MHZ, ESPI_SLAVE_OP_FREQ_SEL_33_MHZ, ESPI_SLAVE_OP_FREQ_SEL_66_MHZ, and printk.

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◆ espi_setup()

enum cb_err espi_setup ( void )

Definition at line 922 of file espi_util.c.

References ESPI_GLOBAL_CONTROL_1, espi_read32(), ESPI_SUB_DECODE_EN, ESPI_SUB_DECODE_SLV_MASK, and espi_write32().

Referenced by configure_espi_with_mb_hook(), and verstage_soc_espi_init().

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◆ espi_setup_flash_channel()

static enum cb_err espi_setup_flash_channel	(	const struct espi_config *	mb_cfg,
		uint32_t	slave_caps
	)

static

Definition at line 773 of file espi_util.c.

◆ espi_setup_oob_channel()

static enum cb_err espi_setup_oob_channel	(	const struct espi_config *	mb_cfg,
		uint32_t	slave_caps
	)

static

Definition at line 773 of file espi_util.c.

◆ espi_setup_periph_channel()

static enum cb_err espi_setup_periph_channel	(	const struct espi_config *	mb_cfg,
		uint32_t	slave_caps
	)

static

Definition at line 773 of file espi_util.c.

◆ espi_setup_subtractive_decode()

static void espi_setup_subtractive_decode ( const struct espi_config * mb_cfg )

static

Definition at line 922 of file espi_util.c.

◆ espi_setup_vw_channel()

static enum cb_err espi_setup_vw_channel	(	const struct espi_config *	mb_cfg,
		uint32_t	slave_caps
	)

static

Definition at line 773 of file espi_util.c.

◆ espi_show_failure()

static void espi_show_failure	(	const struct espi_cmd *	cmd,
		const char *	str,
		uint32_t	status
	)

static

Definition at line 459 of file espi_util.c.

◆ espi_std_io_decode()

static int espi_std_io_decode	(	uint16_t	base,
		size_t	size
	)

static

Definition at line 161 of file espi_util.c.

References base, ESPI_DECODE_IO_0X2E_0X2F_EN, ESPI_DECODE_IO_0X60_0X64_EN, and ESPI_DECODE_IO_0x80_EN.

◆ espi_update_static_bar()

void espi_update_static_bar ( uintptr_t bar )

Definition at line 17 of file espi_util.c.

References espi_bar.

Referenced by espi_get_bar(), and espi_set_bar().

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◆ espi_wait_channel_ready()

static enum cb_err espi_wait_channel_ready ( uint16_t slave_reg_addr )

static

Definition at line 703 of file espi_util.c.

◆ espi_wait_ready()

static enum cb_err espi_wait_ready ( void )

static

Definition at line 326 of file espi_util.c.

◆ espi_write16()

static void espi_write16	(	unsigned int	reg,
		uint16_t	val
	)

static

Definition at line 48 of file espi_util.c.

References espi_get_bar(), val, and write16().

Referenced by espi_clear_decodes(), espi_open_generic_io_window(), and espi_open_mmio_window().

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◆ espi_write32()

static void espi_write32	(	unsigned int	reg,
		uint32_t	val
	)

static

Definition at line 38 of file espi_util.c.

References espi_get_bar(), val, and write32().

Referenced by espi_clear_decodes(), espi_clear_status(), espi_enable_ctrlr_channel(), espi_enable_decode(), espi_open_mmio_window(), espi_set_initial_config(), and espi_setup().

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◆ espi_write8()

static void espi_write8	(	unsigned int	reg,
		uint8_t	val
	)

static

Definition at line 58 of file espi_util.c.

References espi_get_bar(), val, and write8().

Referenced by espi_clear_decodes(), and espi_open_generic_io_window().

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◆ espi_write_io_window()

static void espi_write_io_window	(	int	idx,
		uint16_t	base,
		size_t	size
	)

static

Definition at line 188 of file espi_util.c.

◆ espi_write_mmio_window()

static void espi_write_mmio_window	(	int	idx,
		uint32_t	base,
		size_t	size
	)

static

Definition at line 280 of file espi_util.c.

◆ mb_set_up_early_espi()

__weak void mb_set_up_early_espi ( void )

Definition at line 22 of file espi_util.c.

Referenced by configure_espi_with_mb_hook().

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Variable Documentation

◆ __packed

struct espi_cmd __packed

◆ espi_bar

uintptr_t espi_bar

static

Definition at line 15 of file espi_util.c.

Referenced by espi_get_bar(), and espi_update_static_bar().

Data Structures

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ ESPI_CH_READY_TIMEOUT_US

◆ ESPI_CMD_TIMEOUT_US

◆ ESPI_CONFIGURATION_HDATA0

◆ ESPI_CONFIGURATION_HDATA1

Enumeration Type Documentation

◆ espi_cmd_type

Function Documentation

◆ configure_espi_with_mb_hook()

◆ espi_clear_decodes()

◆ espi_clear_status()

◆ espi_configure_decodes()

◆ espi_decode_io_range_en_bit()

◆ espi_decode_mmio_range_en_bit()

◆ espi_enable_ctrlr_channel()

◆ espi_enable_decode()

◆ espi_find_io_window()

◆ espi_find_mmio_window()

◆ espi_get_bar()

◆ espi_get_config()

◆ espi_get_configuration()

◆ espi_get_general_configuration()

◆ espi_get_io_window_size()

◆ espi_get_mmio_window_size()

◆ espi_get_unused_io_window()

◆ espi_get_unused_mmio_window()

◆ espi_io_range_base_reg()

◆ espi_io_range_size_reg()

◆ espi_is_decode_enabled()

◆ espi_mmio_range_base_reg()

◆ espi_mmio_range_size_reg()

◆ espi_open_generic_io_window()

◆ espi_open_io_window()

◆ espi_open_mmio_window()

◆ espi_poll_status()

◆ espi_read16()

◆ espi_read32()

◆ espi_read8()

◆ espi_send_command()

◆ espi_send_pltrst()

◆ espi_send_reset()

◆ espi_set_alert_pin_config()

◆ espi_set_channel_configuration()

◆ espi_set_configuration()

◆ espi_set_general_configuration()

◆ espi_set_initial_config()

◆ espi_set_io_mode_config()

◆ espi_set_op_freq_config()

◆ espi_setup()

◆ espi_setup_flash_channel()

◆ espi_setup_oob_channel()

◆ espi_setup_periph_channel()

◆ espi_setup_subtractive_decode()

◆ espi_setup_vw_channel()

◆ espi_show_failure()

◆ espi_std_io_decode()

◆ espi_update_static_bar()

◆ espi_wait_channel_ready()

◆ espi_wait_ready()

◆ espi_write16()

◆ espi_write32()

◆ espi_write8()

◆ espi_write_io_window()

◆ espi_write_mmio_window()

◆ mb_set_up_early_espi()

Variable Documentation

◆ __packed

◆ espi_bar