#include "hpm_sdmmc_sd.h"
#include "hpm_l1c_drv.h"
#include "hpm_clock_drv.h"

Data Structures
union	sd_raw_status_t

Macros
#define	SPEED_1Kbps (1000U)

#define	SPEED_1Mbps (1000UL * 1000UL)

#define	MAX_BLOCK_COUNT ((1UL << 26) / 512 - 1U)

#define	WRITE_BLOCK_TIMEOUT_IN_MS (1000U)

#define	READ_BLOCK_TIMEOUT_IN_MS (100U)

Functions
static uint32_t	sd_be2le (uint32_t be)

static void	sd_convert_data_endian (uint32_t *word, uint32_t word_count)

static hpm_stat_t	sd_send_card_status (sd_card_t *card)

static hpm_stat_t	sd_send_rca (sd_card_t *card)

static hpm_stat_t	sd_send_csd (sd_card_t *card)

static hpm_stat_t	sd_switch_function (sd_card_t *card, uint32_t mode, uint32_t group, uint32_t number)

static void	sd_decode_scr (sd_card_t card, const uint32_t raw_scr)

static hpm_stat_t	sd_send_scr (sd_card_t *card)

static hpm_stat_t	sd_app_cmd_send_cond_op (const sd_card_t *card, sd_ocr_t ocr)

static hpm_stat_t	sd_send_if_cond (const sd_card_t *card)

static hpm_stat_t	sd_probe_bus_voltage (sd_card_t *card)

static hpm_stat_t	sd_switch_voltage (const sd_card_t *card)

static void	sd_decode_csd (sd_card_t card, const uint32_t raw_csd)

static void	sd_decode_status (sd_card_t card, uint32_t raw_status)

static hpm_stat_t	sd_set_bus_width (const sd_card_t *card, sdmmc_buswidth_t buswidth)

static hpm_stat_t	sd_set_bus_timing (sd_card_t *card, sdmmc_speed_mode_t timing_mode)

static hpm_stat_t	sd_check_card_parameters (const sd_card_t *card)

static hpm_stat_t	sd_app_cmd_set_write_block_erase_count (const sd_card_t *card, uint32_t block_count)

static hpm_stat_t	sd_error_recovery (const sd_card_t *card, hpm_stat_t last_error)

static hpm_stat_t	sd_send_cmd (const sd_card_t card, const sdmmchost_cmd_t cmd)

static hpm_stat_t	sd_transfer (const sd_card_t card, const sdmmchost_xfer_t content)

static hpm_stat_t	sd_all_send_cid (sd_card_t *card)

void	sd_card_deinit (sd_card_t *card)
	De-Initialize SD card. More...

hpm_stat_t	sd_host_init (sd_card_t *card)
	Initialize SD Host. More...

hpm_stat_t	sd_init (sd_card_t *card)
	Initialize SD device. More...

void	sd_deinit (const sd_card_t *card)
	De-Initialize SD device. More...

hpm_stat_t	sd_card_init (sd_card_t *card)
	Initialize SD card. More...

bool	sd_is_card_present (const sd_card_t *card)
	Check whether the SD card is present. More...

hpm_stat_t	sd_select_card (const sd_card_t *card, bool is_selected)
	Select/Deselect SD card. More...

hpm_stat_t	sd_read_status (sd_card_t *card)
	Read SD card status. More...

hpm_stat_t	sd_read_blocks (sd_card_t card, uint8_t buffer, uint32_t start_block, uint32_t block_count)
	Read data from specified SD block. More...

hpm_stat_t	sd_write_blocks (sd_card_t card, const uint8_t buffer, uint32_t start_block, uint32_t block_count)
	Write data to specified SD block. More...

static uint32_t	sd_calculate_erase_timeout (const sd_card_t *card, uint32_t start_block, uint32_t block_count)
	Calculate SD erase timeout value Refer to SD_Specification_Part1_Physical_Layer_Specification_Version4.20.pdf, section 4.14 for more details. More...

hpm_stat_t	sd_erase_blocks (sd_card_t *card, uint32_t start_block, uint32_t block_count)
	Erase specified SD ranges. More...

hpm_stat_t	sd_set_driver_strength (sd_card_t *card, sd_drive_strength_t driver_strength)
	Set the driver strength for SD card. More...

hpm_stat_t	sd_set_max_current (sd_card_t *card, sd_max_current_t max_current)
	Set the maximum current for SD card. More...

hpm_stat_t	sd_polling_card_status_busy (sd_card_t *card, uint32_t timeout_ms)
	Polling SD card status busy. More...

Macro Definition Documentation

◆ MAX_BLOCK_COUNT

#define MAX_BLOCK_COUNT ((1UL << 26) / 512 - 1U)

◆ READ_BLOCK_TIMEOUT_IN_MS

#define READ_BLOCK_TIMEOUT_IN_MS (100U)

◆ SPEED_1Kbps

#define SPEED_1Kbps (1000U)

◆ SPEED_1Mbps

#define SPEED_1Mbps (1000UL * 1000UL)

◆ WRITE_BLOCK_TIMEOUT_IN_MS

#define WRITE_BLOCK_TIMEOUT_IN_MS (1000U)

Function Documentation

◆ sd_all_send_cid()

static hpm_stat_t sd_all_send_cid ( sd_card_t * card )

static

◆ sd_app_cmd_send_cond_op()

static hpm_stat_t sd_app_cmd_send_cond_op	(	const sd_card_t *	card,
		sd_ocr_t	ocr
	)

static

◆ sd_app_cmd_set_write_block_erase_count()

static hpm_stat_t sd_app_cmd_set_write_block_erase_count	(	const sd_card_t *	card,
		uint32_t	block_count
	)

static

◆ sd_be2le()

uint32_t sd_be2le ( uint32_t be )

static

◆ sd_calculate_erase_timeout()

static uint32_t sd_calculate_erase_timeout	(	const sd_card_t *	card,
		uint32_t	start_block,
		uint32_t	block_count
	)

static

Calculate SD erase timeout value Refer to SD_Specification_Part1_Physical_Layer_Specification_Version4.20.pdf, section 4.14 for more details.

◆ sd_check_card_parameters()

static hpm_stat_t sd_check_card_parameters ( const sd_card_t * card )

static

◆ sd_convert_data_endian()

static void sd_convert_data_endian	(	uint32_t *	word,
		uint32_t	word_count
	)

static

◆ sd_decode_csd()

static void sd_decode_csd	(	sd_card_t *	card,
		const uint32_t *	raw_csd
	)

static

◆ sd_decode_scr()

void sd_decode_scr	(	sd_card_t *	card,
		const uint32_t *	raw_scr
	)

static

◆ sd_decode_status()

static void sd_decode_status	(	sd_card_t *	card,
		uint32_t *	raw_status
	)

static

◆ sd_error_recovery()

static hpm_stat_t sd_error_recovery	(	const sd_card_t *	card,
		hpm_stat_t	last_error
	)

static

◆ sd_probe_bus_voltage()

static hpm_stat_t sd_probe_bus_voltage ( sd_card_t * card )

static

◆ sd_send_card_status()

static hpm_stat_t sd_send_card_status ( sd_card_t * card )

static

◆ sd_send_cmd()

static hpm_stat_t sd_send_cmd	(	const sd_card_t *	card,
		const sdmmchost_cmd_t *	cmd
	)

static

◆ sd_send_csd()

static hpm_stat_t sd_send_csd ( sd_card_t * card )

static

◆ sd_send_if_cond()

static hpm_stat_t sd_send_if_cond ( const sd_card_t * card )

static

◆ sd_send_rca()

static hpm_stat_t sd_send_rca ( sd_card_t * card )

static

◆ sd_send_scr()

static hpm_stat_t sd_send_scr ( sd_card_t * card )

static

◆ sd_set_bus_timing()

static hpm_stat_t sd_set_bus_timing	(	sd_card_t *	card,
		sdmmc_speed_mode_t	timing_mode
	)

static

◆ sd_set_bus_width()

static hpm_stat_t sd_set_bus_width	(	const sd_card_t *	card,
		sdmmc_buswidth_t	buswidth
	)

static

◆ sd_switch_function()

hpm_stat_t sd_switch_function	(	sd_card_t *	card,
		uint32_t	mode,
		uint32_t	group,
		uint32_t	number
	)

static

◆ sd_switch_voltage()

static hpm_stat_t sd_switch_voltage ( const sd_card_t * card )

static

◆ sd_transfer()

static hpm_stat_t sd_transfer	(	const sd_card_t *	card,
		const sdmmchost_xfer_t *	content
	)

static

Data Structures

Macros

Functions

Macro Definition Documentation

◆ MAX_BLOCK_COUNT

◆ READ_BLOCK_TIMEOUT_IN_MS

◆ SPEED_1Kbps

◆ SPEED_1Mbps

◆ WRITE_BLOCK_TIMEOUT_IN_MS

Function Documentation

◆ sd_all_send_cid()

◆ sd_app_cmd_send_cond_op()

◆ sd_app_cmd_set_write_block_erase_count()

◆ sd_be2le()

◆ sd_calculate_erase_timeout()

◆ sd_check_card_parameters()

◆ sd_convert_data_endian()

◆ sd_decode_csd()

◆ sd_decode_scr()

◆ sd_decode_status()

◆ sd_error_recovery()

◆ sd_probe_bus_voltage()

◆ sd_send_card_status()

◆ sd_send_cmd()

◆ sd_send_csd()

◆ sd_send_if_cond()

◆ sd_send_rca()

◆ sd_send_scr()

◆ sd_set_bus_timing()

◆ sd_set_bus_width()

◆ sd_switch_function()

◆ sd_switch_voltage()

◆ sd_transfer()