sd_mmc.h File Reference

#include <commonlib/sd_mmc_ctrlr.h>
#include <commonlib/storage.h>
#include <stddef.h>
#include <console/console.h>

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Macros
#define	SD_MMC_IO_RETRIES   1000
#define	IS_SD(x)   (x->version & SD_VERSION_SD)
#define	SET_BUS_WIDTH(ctrlr, width)
#define	SET_CLOCK(ctrlr, clock_hz)
#define	SET_TIMING(ctrlr, timing_value)
#define	sdhc_debug(format...)
#define	sdhc_trace(format...)
#define	sdhc_error(format...)   printk(BIOS_ERR, format)
#define	sd_mmc_debug(format...)
#define	sd_mmc_trace(format...)
#define	sd_mmc_error(format...)   printk(BIOS_ERR, format)

Functions
int	sd_mmc_enter_standby (struct storage_media *media)
uint64_t	sd_mmc_extract_uint32_bits (const uint32_t *array, int start, int count)
int	sd_mmc_go_idle (struct storage_media *media)
int	sd_mmc_send_status (struct storage_media *media, ssize_t tries)
int	sd_mmc_set_blocklen (struct sd_mmc_ctrlr *ctrlr, int len)
int	mmc_change_freq (struct storage_media *media)
int	mmc_complete_op_cond (struct storage_media *media)
const char *	mmc_partition_name (struct storage_media *media, unsigned int partition_number)
int	mmc_send_ext_csd (struct sd_mmc_ctrlr *ctrlr, unsigned char *ext_csd)
int	mmc_send_op_cond (struct storage_media *media)
int	mmc_set_bus_width (struct storage_media *media)
int	mmc_set_partition (struct storage_media *media, unsigned int partition_number)
int	mmc_update_capacity (struct storage_media *media)
int	sd_change_freq (struct storage_media *media)
const char *	sd_partition_name (struct storage_media *media, unsigned int partition_number)
int	sd_send_if_cond (struct storage_media *media)
int	sd_send_op_cond (struct storage_media *media)
int	sd_set_bus_width (struct storage_media *media)
int	sd_set_partition (struct storage_media *media, unsigned int partition_number)

Macro Definition Documentation

IS_SD

#define IS_SD

(

x

)

(x->version & SD_VERSION_SD)

Definition at line 13 of file sd_mmc.h.

sd_mmc_debug

#define sd_mmc_debug

(

format...

)

Value:

        do {                                            \
                if (CONFIG(SD_MMC_DEBUG))       \
                        printk(BIOS_DEBUG, format);     \
        } while (0)

Definition at line 77 of file sd_mmc.h.

sd_mmc_error

#define sd_mmc_error

(

format...

)

printk(BIOS_ERR, format)

Definition at line 87 of file sd_mmc.h.

SD_MMC_IO_RETRIES

#define SD_MMC_IO_RETRIES   1000

Definition at line 11 of file sd_mmc.h.

sd_mmc_trace

#define sd_mmc_trace

(

format...

)

Value:

        do {                                            \
                if (CONFIG(SD_MMC_TRACE))       \
                        printk(BIOS_DEBUG, format);     \
        } while (0)

Definition at line 82 of file sd_mmc.h.

sdhc_debug

#define sdhc_debug

(

format...

)

Value:

        do {                                            \
                if (CONFIG(SDHC_DEBUG)) \
                        printk(BIOS_DEBUG, format);     \
        } while (0)

Definition at line 64 of file sd_mmc.h.

sdhc_error

#define sdhc_error

(

format...

)

printk(BIOS_ERR, format)

Definition at line 74 of file sd_mmc.h.

sdhc_trace

#define sdhc_trace

(

format...

)

Value:

        do {                                            \
                if (CONFIG(SDHC_TRACE)) \
                        printk(BIOS_DEBUG, format);     \
        } while (0)

Definition at line 69 of file sd_mmc.h.

SET_BUS_WIDTH

#define SET_BUS_WIDTH	(		ctrlr,
			width
	)

Value:

        do {                                    \
                ctrlr->bus_width = width;       \
                ctrlr->set_ios(ctrlr);          \
        } while (0)

Definition at line 15 of file sd_mmc.h.

SET_CLOCK

#define SET_CLOCK	(		ctrlr,
			clock_hz
	)

Value:

        do {                                    \
                ctrlr->request_hz = clock_hz;   \
                ctrlr->set_ios(ctrlr);          \
        } while (0)

Definition at line 21 of file sd_mmc.h.

SET_TIMING

#define SET_TIMING	(		ctrlr,
			timing_value
	)

Value:

        do {                                    \
                ctrlr->timing = timing_value;   \
                ctrlr->set_ios(ctrlr);          \
        } while (0)

Definition at line 27 of file sd_mmc.h.

Function Documentation

mmc_change_freq()

int mmc_change_freq

(

struct storage_media *

media

)

Definition at line 309 of file mmc.c.

References ALLOC_CACHE_ALIGN_BUFFER, sd_mmc_ctrlr::caps, storage_media::caps, storage_media::ctrlr, DRVR_CAP_ENHANCED_STROBE, DRVR_CAP_HS200, DRVR_CAP_HS400, EXT_CSD_CARD_TYPE, EXT_CSD_STROBE_SUPPORT, media, MMC_HS400, MMC_HS_200MHZ, mmc_select_hs(), mmc_select_hs200(), mmc_select_hs400(), mmc_send_ext_csd(), MMC_VERSION_4, and storage_media::version.

Referenced by storage_startup().

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mmc_complete_op_cond()

int mmc_complete_op_cond

(

struct storage_media *

media

)

Definition at line 65 of file mmc.c.

References CARD_UNUSABLE_ERR, storage_media::high_capacity, media, MMC_INIT_TIMEOUT_US_MS, mmc_send_op_cond_iter(), MMC_VERSION_UNKNOWN, storage_media::ocr, OCR_BUSY, OCR_HCS, storage_media::op_cond_response, storage_media::rca, mmc_command::response, stopwatch_expired(), stopwatch_init_msecs_expire(), udelay(), and storage_media::version.

Referenced by sd_mmc_enter_standby().

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mmc_partition_name()

const char* mmc_partition_name	(	struct storage_media *	media,
		unsigned int	partition_number
	)

Definition at line 514 of file mmc.c.

References ARRAY_SIZE.

Referenced by storage_partition_name().

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mmc_send_ext_csd()

int mmc_send_ext_csd	(	struct sd_mmc_ctrlr *	ctrlr,
		unsigned char *	ext_csd
	)

Definition at line 96 of file mmc.c.

References mmc_data::blocks, mmc_data::blocksize, CARD_RSP_R1, mmc_command::cmdarg, mmc_command::cmdidx, CONFIG, DATA_FLAG_READ, mmc_data::dest, mmc_command::flags, mmc_data::flags, MMC_CMD_SEND_EXT_CSD, mmc_command::resp_type, sd_mmc_trace, and sd_mmc_ctrlr::send_cmd.

Referenced by mmc_change_freq(), mmc_set_bus_width(), and mmc_update_capacity().

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mmc_send_op_cond()

int mmc_send_op_cond

(

struct storage_media *

media

)

Definition at line 45 of file mmc.c.

References CARD_IN_PROGRESS, mmc_command::cmdarg, media, mmc_send_op_cond_iter(), OCR_BUSY, and storage_media::op_cond_response.

Referenced by early_mmc_wake_hw(), mtk_emmc_early_init(), and sd_mmc_enter_standby().

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mmc_set_bus_width()

int mmc_set_bus_width

(

struct storage_media *

media

)

Definition at line 341 of file mmc.c.

References ALLOC_CACHE_ALIGN_BUFFER, storage_media::caps, storage_media::ctrlr, DRVR_CAP_HS200, DRVR_CAP_HS400, EXT_CSD_BUS_WIDTH, EXT_CSD_BUS_WIDTH_8, EXT_CSD_ERASE_GROUP_DEF, EXT_CSD_HC_ERASE_GRP_SIZE, EXT_CSD_PARTITIONING_SUPPORT, EXT_CSD_REV, EXT_CSD_SEC_CNT, EXT_CSD_SIZE, media, memcmp(), mmc_send_ext_csd(), mmc_switch(), SET_BUS_WIDTH, and width.

Referenced by storage_startup().

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mmc_set_partition()

int mmc_set_partition	(	struct storage_media *	media,
		unsigned int	partition_number
	)

Definition at line 491 of file mmc.c.

References storage_media::capacity, EXT_CSD_PART_ACCESS_MASK, EXT_CSD_PART_CONF, media, MMC_PARTITION_GP4, mmc_switch(), and storage_media::partition_config.

Referenced by storage_set_partition().

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mmc_update_capacity()

int mmc_update_capacity

(

struct storage_media *

media

)

Definition at line 388 of file mmc.c.

References ALLOC_CACHE_ALIGN_BUFFER, storage_media::capacity, storage_media::csd, storage_media::ctrlr, storage_media::erase_blocks, EXT_CSD_BOOT_SIZE_MULT, EXT_CSD_ERASE_GROUP_DEF, EXT_CSD_GP_SIZE_MULT_GP0, EXT_CSD_GP_SIZE_MULT_GP1, EXT_CSD_GP_SIZE_MULT_GP2, EXT_CSD_GP_SIZE_MULT_GP3, EXT_CSD_HC_WP_GRP_SIZE, EXT_CSD_PART_ACCESS_MASK, EXT_CSD_PART_CONF, EXT_CSD_PARTITION_ENABLE, EXT_CSD_REV, EXT_CSD_RPMB_SIZE_MULT, EXT_CSD_SEC_CNT, EXT_CSD_SIZE, EXT_CSD_TRIM_MULT, KiB, media, MMC_PARTITION_BOOT_1, MMC_PARTITION_BOOT_2, MMC_PARTITION_GP1, MMC_PARTITION_GP2, MMC_PARTITION_GP3, MMC_PARTITION_GP4, MMC_PARTITION_RPMB, MMC_PARTITION_USER, mmc_send_ext_csd(), mmc_switch(), MMC_VERSION_4, storage_media::partition_config, sd_mmc_extract_uint32_bits(), sdhc_error, storage_media::trim_mult, storage_media::version, and storage_media::write_bl_len.

Referenced by storage_startup().

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sd_change_freq()

int sd_change_freq

(

struct storage_media *

media

)

Definition at line 120 of file sd.c.

References ALLOC_CACHE_ALIGN_BUFFER, be32toh(), mmc_data::blocks, mmc_data::blocksize, sd_mmc_ctrlr::bus_hz, BUS_TIMING_SD_HS, sd_mmc_ctrlr::caps, storage_media::caps, CARD_RSP_R1, mmc_command::cmdarg, mmc_command::cmdidx, storage_media::ctrlr, DATA_FLAG_READ, delay(), mmc_data::dest, DRVR_CAP_4BIT, DRVR_CAP_HS, DRVR_CAP_HS52, mmc_command::flags, mmc_data::flags, media, MMC_CMD_APP_CMD, ntohl, NULL, storage_media::rca, mmc_command::resp_type, storage_media::scr, SD_CMD_APP_SEND_SCR, SD_DATA_4BIT, SD_HIGHSPEED_BUSY, SD_HIGHSPEED_SUPPORTED, sd_mmc_error, sd_recalculate_clock(), sd_switch(), SD_SWITCH_CHECK, SD_SWITCH_SWITCH, SD_VERSION_1_0, SD_VERSION_1_10, SD_VERSION_2, sd_mmc_ctrlr::send_cmd, SET_TIMING, udelay(), and storage_media::version.

Referenced by storage_startup().

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sd_mmc_enter_standby()

int sd_mmc_enter_standby

(

struct storage_media *

media

)

Definition at line 139 of file sd_mmc.c.

References CARD_IN_PROGRESS, CARD_RSP_R2, CARD_RSP_R6, CARD_TIMEOUT, CARD_UNUSABLE_ERR, storage_media::cid, mmc_command::cmdarg, mmc_command::cmdidx, CONFIG, storage_media::csd, storage_media::ctrlr, mmc_command::flags, IS_SD, media, memcpy(), MMC_CMD_ALL_SEND_CID, MMC_CMD_SEND_CSD, mmc_complete_op_cond(), mmc_send_op_cond(), MMC_VERSION_1_2, MMC_VERSION_1_4, MMC_VERSION_2_2, MMC_VERSION_3, MMC_VERSION_4, MMC_VERSION_UNKNOWN, NULL, storage_media::rca, storage_media::read_bl_len, mmc_command::resp_type, mmc_command::response, SD_CMD_SEND_RELATIVE_ADDR, sd_mmc_calculate_transfer_speed(), sd_mmc_debug, sd_mmc_error, sd_mmc_extract_uint32_bits(), sd_mmc_go_idle(), SD_MMC_IO_RETRIES, sd_mmc_send_status(), sd_send_if_cond(), sd_send_op_cond(), sd_mmc_ctrlr::send_cmd, SET_BUS_WIDTH, SET_CLOCK, storage_media::tran_speed, storage_media::version, version, and storage_media::write_bl_len.

Referenced by storage_setup_media().

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sd_mmc_extract_uint32_bits()

uint64_t sd_mmc_extract_uint32_bits	(	const uint32_t *	array,
		int	start,
		int	count
	)

Definition at line 17 of file sd_mmc.c.

References count, and value.

Referenced by mmc_update_capacity(), sd_mmc_enter_standby(), and storage_startup().

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sd_mmc_go_idle()

int sd_mmc_go_idle

(

struct storage_media *

media

)

Definition at line 68 of file sd_mmc.c.

References CARD_RSP_NONE, mmc_command::cmdarg, mmc_command::cmdidx, storage_media::ctrlr, mmc_command::flags, mdelay(), sd_mmc_ctrlr::mdelay_after_cmd0, sd_mmc_ctrlr::mdelay_before_cmd0, media, MMC_CMD_GO_IDLE_STATE, NULL, mmc_command::resp_type, and sd_mmc_ctrlr::send_cmd.

Referenced by early_mmc_wake_hw(), mtk_emmc_early_init(), and sd_mmc_enter_standby().

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sd_mmc_send_status()

int sd_mmc_send_status	(	struct storage_media *	media,
		ssize_t	tries
	)

Definition at line 94 of file sd_mmc.c.

References CARD_COMM_ERR, CARD_RSP_R1, CARD_TIMEOUT, mmc_command::cmdarg, mmc_command::cmdidx, storage_media::ctrlr, mmc_command::flags, media, MMC_CMD_SEND_STATUS, MMC_STATUS_CURR_STATE, MMC_STATUS_MASK, MMC_STATUS_RDY_FOR_DATA, NULL, storage_media::rca, mmc_command::resp_type, mmc_command::response, sd_mmc_error, sd_mmc_trace, sd_mmc_ctrlr::send_cmd, and udelay().

Referenced by mmc_select_hs(), mmc_select_hs400(), mmc_switch(), sd_mmc_enter_standby(), storage_block_erase(), storage_read(), and storage_write().

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sd_mmc_set_blocklen()

int sd_mmc_set_blocklen	(	struct sd_mmc_ctrlr *	ctrlr,
		int	len
	)

Definition at line 128 of file sd_mmc.c.

References CARD_RSP_R1, mmc_command::cmdarg, mmc_command::cmdidx, mmc_command::flags, MMC_CMD_SET_BLOCKLEN, NULL, mmc_command::resp_type, and sd_mmc_ctrlr::send_cmd.

Referenced by storage_block_setup().

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sd_partition_name()

const char* sd_partition_name	(	struct storage_media *	media,
		unsigned int	partition_number
	)

Definition at line 280 of file sd.c.

Referenced by storage_partition_name().

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sd_send_if_cond()

int sd_send_if_cond

(

struct storage_media *

media

)

Definition at line 15 of file sd.c.

References CARD_RSP_R7, CARD_UNUSABLE_ERR, mmc_command::cmdarg, mmc_command::cmdidx, storage_media::ctrlr, mmc_command::flags, media, NULL, mmc_command::resp_type, mmc_command::response, SD_CMD_SEND_IF_COND, SD_VERSION_2, sd_mmc_ctrlr::send_cmd, storage_media::version, and sd_mmc_ctrlr::voltages.

Referenced by sd_mmc_enter_standby().

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sd_send_op_cond()

int sd_send_op_cond

(

struct storage_media *

media

)

Definition at line 35 of file sd.c.

References CARD_RSP_R1, CARD_RSP_R3, CARD_UNUSABLE_ERR, mmc_command::cmdarg, mmc_command::cmdidx, storage_media::ctrlr, mmc_command::flags, storage_media::high_capacity, media, MMC_CMD_APP_CMD, NULL, storage_media::ocr, OCR_BUSY, OCR_HCS, storage_media::rca, mmc_command::resp_type, mmc_command::response, SD_CMD_APP_SEND_OP_COND, SD_MMC_IO_RETRIES, SD_VERSION_1_0, SD_VERSION_2, sd_mmc_ctrlr::send_cmd, udelay(), storage_media::version, and sd_mmc_ctrlr::voltages.

Referenced by sd_mmc_enter_standby().

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sd_set_bus_width()

int sd_set_bus_width

(

struct storage_media *

media

)

Definition at line 239 of file sd.c.

References storage_media::caps, CARD_RSP_R1, mmc_command::cmdarg, mmc_command::cmdidx, storage_media::ctrlr, DRVR_CAP_4BIT, mmc_command::flags, media, MMC_CMD_APP_CMD, NULL, storage_media::rca, mmc_command::resp_type, SD_CMD_APP_SET_BUS_WIDTH, sd_mmc_ctrlr::send_cmd, and SET_BUS_WIDTH.

Referenced by storage_startup().

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sd_set_partition()

int sd_set_partition	(	struct storage_media *	media,
		unsigned int	partition_number
	)

Definition at line 268 of file sd.c.

References media, and storage_media::partition_config.

Referenced by storage_set_partition().

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