subsys/sd/Kconfig

# Copyright 2022 NXP
# SPDX-License-Identifier: Apache-2.0

# SD stack configuration options

menuconfig SD_STACK
	bool "SD Card Support"
	select SDHC
	help
	  Enable SD card support

if SD_STACK

module = SD
module-str = SD stack
source "subsys/logging/Kconfig.template.log_config"

config SD_INIT_TIMEOUT
	int "Timeout while initializing SD card"
	default 1500
	help
	  Maximum time to wait, in milliseconds, for the SD card to initialize.

config SD_RETRY_COUNT
	int "Number of times to retry initialization commands"
	default 10
	help
	  Number of times to retry initialization commands in case of failure

config SD_OCR_RETRY_COUNT
	int "Number of times to retry SD OCR read"
	default 1000
	help
	  Number of times to retry SD OCR read command. OCR reads typically
	  require more retries than general SD commands

config SD_CMD_TIMEOUT
	int "Timeout for SD commands (in ms)"
	default 200
	help
	  Default timeout in milliseconds for SD commands

config SD_DATA_TIMEOUT
	int "Timeout for SD data transfer (in ms)"
	default 10000
	help
	  Default timeout in milliseconds for SD data transfer commands

config SD_BUFFER_SIZE
	int
	# If SDHC required buffer alignment, we need a full block size in
	# internal buffer
	default 512 if SDHC_BUFFER_ALIGNMENT != 1
	# Otherwise, we only need 64 bytes to read SD switch function
	default 64
	help
	  Size in bytes of internal buffer SD card uses for unaligned reads and
	  internal data reads during initialization

config SD_DATA_RETRIES
	int "Number of times to retry sending data to card"
	default 3
	help
	  Number of times to retry sending data to SD card in case of failure


config SD_UHS_PROTOCOL
	bool "Ultra high speed SD card protocol support"
	default y if SDHC_SUPPORTS_UHS
	help
	  Enable support for ultra high speed SD cards. This can be disabled to
	  reduce code size, at the cost of data transfer speeds.

endif # SD_STACK