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- menu "Command line interface"
- config CMDLINE
- bool "Support U-Boot commands"
- default y
- help
- Enable U-Boot's command-line functions. This provides a means
- to enter commands into U-Boot for a wide variety of purposes. It
- also allows scripts (containing commands) to be executed.
- Various commands and command categorys can be indivdually enabled.
- Depending on the number of commands enabled, this can add
- substantially to the size of U-Boot.
- config HUSH_PARSER
- bool "Use hush shell"
- depends on CMDLINE
- help
- This option enables the "hush" shell (from Busybox) as command line
- interpreter, thus enabling powerful command line syntax like
- if...then...else...fi conditionals or `&&' and '||'
- constructs ("shell scripts").
- If disabled, you get the old, much simpler behaviour with a somewhat
- smaller memory footprint.
- config CMDLINE_EDITING
- bool "Enable command line editing"
- depends on CMDLINE
- default y
- help
- Enable editing and History functions for interactive command line
- input operations
- config AUTO_COMPLETE
- bool "Enable auto complete using TAB"
- depends on CMDLINE
- default y
- help
- Enable auto completion of commands using TAB.
- config SYS_LONGHELP
- bool "Enable long help messages"
- depends on CMDLINE
- default y if CMDLINE
- help
- Defined when you want long help messages included
- Do not set this option when short of memory.
- config SYS_PROMPT
- string "Shell prompt"
- default "Zynq> " if ARCH_ZYNQ
- default "ZynqMP> " if ARCH_ZYNQMP
- default "=> "
- help
- This string is displayed in the command line to the left of the
- cursor.
- config SYS_PROMPT_HUSH_PS2
- string "Hush shell secondary prompt"
- depends on HUSH_PARSER
- default "> "
- help
- This defines the secondary prompt string, which is
- printed when the command interpreter needs more input
- to complete a command. Usually "> ".
- config SYS_XTRACE
- bool "Command execution tracer"
- depends on CMDLINE
- default y if CMDLINE
- help
- This option enables the possiblity to print all commands before
- executing them and after all variables are evaluated (similar
- to Bash's xtrace/'set -x' feature).
- To enable the tracer a variable "xtrace" needs to be defined in
- the environment.
- config BUILD_BIN2C
- bool
- comment "Commands"
- menu "Info commands"
- config CMD_ACPI
- bool "acpi"
- depends on ACPIGEN
- default y
- help
- List and dump ACPI tables. ACPI (Advanced Configuration and Power
- Interface) is used mostly on x86 for providing information to the
- Operating System about devices in the system. The tables are set up
- by the firmware, typically U-Boot but possibly an earlier firmware
- module, if U-Boot is chain-loaded from something else. ACPI tables
- can also include code, to perform hardware-specific tasks required
- by the Operating Systems. This allows some amount of separation
- between the firmware and OS, and is particularly useful when you
- want to make hardware changes without the OS needing to be adjusted.
- config CMD_ADDRMAP
- bool "addrmap"
- depends on ADDR_MAP
- default y
- help
- List non-identity virtual-physical memory mappings for 32-bit CPUs.
- config CMD_BDI
- bool "bdinfo"
- default y
- help
- Print board info
- config CMD_CONFIG
- bool "config"
- default SANDBOX
- select BUILD_BIN2C
- help
- Print ".config" contents.
- If this option is enabled, the ".config" file contents are embedded
- in the U-Boot image and can be printed on the console by the "config"
- command. This provides information of which options are enabled on
- the running U-Boot.
- config CMD_CONSOLE
- bool "coninfo"
- default y
- help
- Print console devices and information.
- config CMD_CPU
- bool "cpu"
- depends on CPU
- help
- Print information about available CPUs. This normally shows the
- number of CPUs, type (e.g. manufacturer, architecture, product or
- internal name) and clock frequency. Other information may be
- available depending on the CPU driver.
- config CMD_LICENSE
- bool "license"
- select BUILD_BIN2C
- help
- Print GPL license text
- config CMD_PMC
- bool "pmc"
- help
- Provides access to the Intel Power-Management Controller (PMC) so
- that its state can be examined. This does not currently support
- changing the state but it is still useful for debugging and seeing
- what is going on.
- config CMD_REGINFO
- bool "reginfo"
- depends on PPC
- help
- Register dump
- config CMD_TLV_EEPROM
- bool "tlv_eeprom"
- depends on I2C_EEPROM
- help
- Display and program the system EEPROM data block in ONIE Tlvinfo
- format. TLV stands for Type-Length-Value.
- config SPL_CMD_TLV_EEPROM
- bool "tlv_eeprom for SPL"
- depends on SPL_I2C_EEPROM
- select SPL_DRIVERS_MISC
- help
- Read system EEPROM data block in ONIE Tlvinfo format from SPL.
- config CMD_SBI
- bool "sbi"
- depends on RISCV_SMODE && SBI_V02
- help
- Display information about the SBI implementation.
- endmenu
- menu "Boot commands"
- config CMD_BOOTD
- bool "bootd"
- default y
- help
- Run the command stored in the environment "bootcmd", i.e.
- "bootd" does the same thing as "run bootcmd".
- config CMD_BOOTM
- bool "bootm"
- default y
- help
- Boot an application image from the memory.
- config BOOTM_EFI
- bool "Support booting UEFI FIT images"
- depends on CMD_BOOTEFI && CMD_BOOTM && FIT
- default y
- help
- Support booting UEFI FIT images via the bootm command.
- config CMD_BOOTZ
- bool "bootz"
- help
- Boot the Linux zImage
- config CMD_BOOTI
- bool "booti"
- depends on ARM64 || RISCV
- default y
- help
- Boot an AArch64 Linux Kernel image from memory.
- config BOOTM_LINUX
- bool "Support booting Linux OS images"
- depends on CMD_BOOTM || CMD_BOOTZ || CMD_BOOTI
- default y
- help
- Support booting the Linux kernel directly via a command such as bootm
- or booti or bootz.
- config BOOTM_NETBSD
- bool "Support booting NetBSD (non-EFI) loader images"
- depends on CMD_BOOTM
- default y
- help
- Support booting NetBSD via the bootm command.
- config BOOTM_OPENRTOS
- bool "Support booting OPENRTOS / FreeRTOS images"
- depends on CMD_BOOTM
- help
- Support booting OPENRTOS / FreeRTOS via the bootm command.
- config BOOTM_OSE
- bool "Support booting Enea OSE images"
- depends on (ARM && (ARM64 || CPU_V7A || CPU_V7R) || SANDBOX || PPC || X86)
- depends on CMD_BOOTM
- help
- Support booting Enea OSE images via the bootm command.
- config BOOTM_PLAN9
- bool "Support booting Plan9 OS images"
- depends on CMD_BOOTM
- default y
- help
- Support booting Plan9 images via the bootm command.
- config BOOTM_RTEMS
- bool "Support booting RTEMS OS images"
- depends on CMD_BOOTM
- default y
- help
- Support booting RTEMS images via the bootm command.
- config BOOTM_VXWORKS
- bool "Support booting VxWorks OS images"
- depends on CMD_BOOTM
- default y
- help
- Support booting VxWorks images via the bootm command.
- config CMD_BOOTEFI
- bool "bootefi"
- depends on EFI_LOADER
- default y
- help
- Boot an EFI image from memory.
- config CMD_BOOTEFI_HELLO_COMPILE
- bool "Compile a standard EFI hello world binary for testing"
- depends on CMD_BOOTEFI && !CPU_V7M
- default y
- help
- This compiles a standard EFI hello world application with U-Boot so
- that it can be used with the test/py testing framework. This is useful
- for testing that EFI is working at a basic level, and for bringing
- up EFI support on a new architecture.
- No additional space will be required in the resulting U-Boot binary
- when this option is enabled.
- config CMD_BOOTEFI_HELLO
- bool "Allow booting a standard EFI hello world for testing"
- depends on CMD_BOOTEFI_HELLO_COMPILE
- default y if CMD_BOOTEFI_SELFTEST
- help
- This adds a standard EFI hello world application to U-Boot so that
- it can be used with the 'bootefi hello' command. This is useful
- for testing that EFI is working at a basic level, and for bringing
- up EFI support on a new architecture.
- source lib/efi_selftest/Kconfig
- config CMD_BOOTMENU
- bool "bootmenu"
- select MENU
- help
- Add an ANSI terminal boot menu command.
- config CMD_ADTIMG
- bool "adtimg"
- help
- Android DTB/DTBO image manipulation commands. Read dtb/dtbo files from
- image into RAM, dump image structure information, etc. Those dtb/dtbo
- files should be merged in one dtb further, which needs to be passed to
- the kernel, as part of a boot process.
- config CMD_ABOOTIMG
- bool "abootimg"
- depends on ANDROID_BOOT_IMAGE
- help
- Android Boot Image manipulation commands. Allows one to extract
- images contained in boot.img, like kernel, ramdisk, dtb, etc, and
- obtain corresponding meta-information from boot.img.
- See doc/android/boot-image.rst for details.
- config CMD_ELF
- bool "bootelf, bootvx"
- default y
- select LIB_ELF
- help
- Boot an ELF/vxWorks image from the memory.
- config CMD_FDT
- bool "Flattened Device Tree utility commands"
- default y
- depends on OF_LIBFDT
- help
- Do FDT related setup before booting into the Operating System.
- config SUPPORT_EXTENSION_SCAN
- bool
- config CMD_EXTENSION
- bool "Extension board management command"
- select CMD_FDT
- depends on SUPPORT_EXTENSION_SCAN
- help
- Enables the "extension" command, which allows to detect
- extension boards connected to the system, and apply
- corresponding Device Tree overlays.
- config CMD_GO
- bool "go"
- default y
- help
- Start an application at a given address.
- config CMD_RUN
- bool "run"
- default y
- help
- Run the command in the given environment variable.
- config CMD_IMI
- bool "iminfo"
- default y
- help
- Print header information for application image.
- config CMD_IMLS
- bool "imls"
- help
- List all images found in flash
- config CMD_XIMG
- bool "imxtract"
- default y
- help
- Extract a part of a multi-image.
- config CMD_SPL
- bool "spl export - Export boot information for Falcon boot"
- depends on SPL
- help
- Falcon mode allows booting directly from SPL into an Operating
- System such as Linux, thus skipping U-Boot proper. See
- doc/README.falcon for full information about how to use this
- command.
- config CMD_SPL_NAND_OFS
- hex "Offset of OS args or dtb for Falcon-mode NAND boot"
- depends on CMD_SPL && (TPL_NAND_SUPPORT || SPL_NAND_SUPPORT)
- default 0
- help
- This provides the offset of the command line arguments for Linux
- when booting from NAND in Falcon mode. See doc/README.falcon
- for full information about how to use this option (and also see
- board/gateworks/gw_ventana/README for an example).
- config CMD_SPL_NOR_OFS
- hex "Offset of OS args or dtb for Falcon-mode NOR boot"
- depends on CMD_SPL && SPL_NOR_SUPPORT
- default 0
- help
- This provides the offset of the command line arguments or dtb for
- Linux when booting from NOR in Falcon mode.
- config CMD_SPL_WRITE_SIZE
- hex "Size of argument area"
- depends on CMD_SPL
- default 0x2000
- help
- This provides the size of the command-line argument area in NAND
- flash used by Falcon-mode boot. See the documentation until CMD_SPL
- for detail.
- config CMD_THOR_DOWNLOAD
- bool "thor - TIZEN 'thor' download"
- select DFU
- help
- Implements the 'thor' download protocol. This is a way of
- downloading a software update over USB from an attached host.
- There is no documentation about this within the U-Boot source code
- but you should be able to find something on the interwebs.
- config CMD_ZBOOT
- bool "zboot - x86 boot command"
- help
- With x86 machines it is common to boot a bzImage file which
- contains both a kernel and a setup.bin file. The latter includes
- configuration information from the dark ages which x86 boards still
- need to pick things out of.
- Consider using FIT in preference to this since it supports directly
- booting both 32- and 64-bit kernels, as well as secure boot.
- Documentation is available in doc/uImage.FIT/x86-fit-boot.txt
- endmenu
- menu "Environment commands"
- config CMD_ASKENV
- bool "ask for env variable"
- help
- Ask for environment variable
- config CMD_EXPORTENV
- bool "env export"
- default y
- help
- Export environments.
- config CMD_IMPORTENV
- bool "env import"
- default y
- help
- Import environments.
- config CMD_EDITENV
- bool "editenv"
- default y
- help
- Edit environment variable.
- config CMD_GREPENV
- bool "search env"
- help
- Allow for searching environment variables
- config CMD_SAVEENV
- bool "saveenv"
- default y
- help
- Save all environment variables into the compiled-in persistent
- storage.
- config CMD_ERASEENV
- bool "eraseenv"
- default n
- depends on CMD_SAVEENV
- help
- Erase environment variables from the compiled-in persistent
- storage.
- config CMD_ENV_EXISTS
- bool "env exists"
- default y
- help
- Check if a variable is defined in the environment for use in
- shell scripting.
- config CMD_ENV_CALLBACK
- bool "env callbacks - print callbacks and their associated variables"
- help
- Some environment variable have callbacks defined by
- U_BOOT_ENV_CALLBACK. These are called when the variable changes.
- For example changing "baudrate" adjust the serial baud rate. This
- command lists the currently defined callbacks.
- config CMD_ENV_FLAGS
- bool "env flags -print variables that have non-default flags"
- help
- Some environment variables have special flags that control their
- behaviour. For example, serial# can only be written once and cannot
- be deleted. This command shows the variables that have special
- flags.
- config CMD_NVEDIT_EFI
- bool "env [set|print] -e - set/print UEFI variables"
- depends on EFI_LOADER
- imply HEXDUMP
- help
- UEFI variables are encoded as some form of U-Boot variables.
- If enabled, we are allowed to set/print UEFI variables using
- "env" command with "-e" option without knowing details.
- config CMD_NVEDIT_INFO
- bool "env info - print or evaluate environment information"
- help
- Print environment information:
- - env_valid : is environment valid
- - env_ready : is environment imported into hash table
- - env_use_default : is default environment used
- This command can be optionally used for evaluation in scripts:
- [-d] : evaluate whether default environment is used
- [-p] : evaluate whether environment can be persisted
- [-q] : quiet output
- The result of multiple evaluations will be combined with AND.
- config CMD_NVEDIT_LOAD
- bool "env load"
- help
- Load all environment variables from the compiled-in persistent
- storage.
- config CMD_NVEDIT_SELECT
- bool "env select"
- help
- Select the compiled-in persistent storage of environment variables.
- endmenu
- menu "Memory commands"
- config CMD_BINOP
- bool "binop"
- help
- Compute binary operations (xor, or, and) of byte arrays of arbitrary
- size from memory and store the result in memory or the environment.
- config CMD_BLOBLIST
- bool "bloblist"
- default y if BLOBLIST
- help
- Show information about the bloblist, a collection of binary blobs
- held in memory that persist between SPL and U-Boot. In the case of
- x86 devices the bloblist can be used to hold ACPI tables so that they
- remain available in memory.
- config CMD_CRC32
- bool "crc32"
- default y
- select HASH
- help
- Compute CRC32.
- config CRC32_VERIFY
- bool "crc32 -v"
- depends on CMD_CRC32
- help
- Add -v option to verify data against a crc32 checksum.
- config CMD_EEPROM
- bool "eeprom - EEPROM subsystem"
- help
- (deprecated, needs conversion to driver model)
- Provides commands to read and write EEPROM (Electrically Erasable
- Programmable Read Only Memory) chips that are connected over an
- I2C bus.
- config CMD_EEPROM_LAYOUT
- bool "Enable layout-aware eeprom commands"
- depends on CMD_EEPROM
- help
- (deprecated, needs conversion to driver model)
- When enabled, additional eeprom sub-commands become available.
- eeprom print - prints the contents of the eeprom in a human-readable
- way (eeprom layout fields, and data formatted to be fit for human
- consumption).
- eeprom update - allows user to update eeprom fields by specifying
- the field name, and providing the new data in a human readable format
- (same format as displayed by the eeprom print command).
- Both commands can either auto detect the layout, or be told which
- layout to use.
- Feature API:
- __weak int parse_layout_version(char *str)
- - override to provide your own layout name parsing
- __weak void __eeprom_layout_assign(struct eeprom_layout *layout,
- int layout_version);
- - override to setup the layout metadata based on the version
- __weak int eeprom_layout_detect(unsigned char *data)
- - override to provide your own algorithm for detecting layout
- version
- eeprom_field.c
- - contains various printing and updating functions for common
- types of eeprom fields. Can be used for defining
- custom layouts.
- config EEPROM_LAYOUT_HELP_STRING
- string "Tells user what layout names are supported"
- depends on CMD_EEPROM_LAYOUT
- default "<not defined>"
- help
- Help printed with the LAYOUT VERSIONS part of the 'eeprom'
- command's help.
- config SYS_I2C_EEPROM_BUS
- int "I2C bus of the EEPROM device."
- depends on CMD_EEPROM
- default 0
- config SYS_I2C_EEPROM_ADDR_LEN
- int "Length in bytes of the EEPROM memory array address"
- depends on CMD_EEPROM || ID_EEPROM
- default 1
- range 1 2
- help
- Note: This is NOT the chip address length!
- config SYS_EEPROM_SIZE
- depends on CMD_EEPROM
- int "Size in bytes of the EEPROM device"
- default 256
- config SYS_EEPROM_PAGE_WRITE_BITS
- int "Number of bits used to address bytes in a single page"
- depends on CMD_EEPROM
- default 8
- help
- The EEPROM page size is 2^SYS_EEPROM_PAGE_WRITE_BITS.
- A 64 byte page, for example would require six bits.
- config SYS_EEPROM_PAGE_WRITE_DELAY_MS
- int "Number of milliseconds to delay between page writes"
- depends on CMD_EEPROM || CMD_I2C
- default 0
- config LOOPW
- bool "loopw"
- help
- Infinite write loop on address range
- config CMD_MD5SUM
- bool "md5sum"
- default n
- select MD5
- help
- Compute MD5 checksum.
- config MD5SUM_VERIFY
- bool "md5sum -v"
- default n
- depends on CMD_MD5SUM
- help
- Add -v option to verify data against an MD5 checksum.
- config CMD_MEMINFO
- bool "meminfo"
- help
- Display memory information.
- config CMD_MEMORY
- bool "md, mm, nm, mw, cp, cmp, base, loop"
- default y
- help
- Memory commands.
- md - memory display
- mm - memory modify (auto-incrementing address)
- nm - memory modify (constant address)
- mw - memory write (fill)
- cp - memory copy
- cmp - memory compare
- base - print or set address offset
- loop - initialize loop on address range
- config CMD_MEM_SEARCH
- bool "ms - Memory search"
- help
- Memory-search command
- This allows searching through a region of memory looking for hex
- data (byte, 16-bit word, 32-bit long, also 64-bit on machines that
- support it). It is also possible to search for a string. The
- command accepts a memory range and a list of values to search for.
- The values need to appear in memory in the same order they are given
- in the command. At most 10 matches can be returned at a time, but
- pressing return will show the next 10 matches. Environment variables
- are set for use with scripting (memmatches, memaddr, mempos).
- config CMD_MX_CYCLIC
- bool "Enable cyclic md/mw commands"
- depends on CMD_MEMORY
- help
- Add the "mdc" and "mwc" memory commands. These are cyclic
- "md/mw" commands.
- Examples:
- => mdc.b 10 4 500
- This command will print 4 bytes (10,11,12,13) each 500 ms.
- => mwc.l 100 12345678 10
- This command will write 12345678 to address 100 all 10 ms.
- config CMD_RANDOM
- bool "random"
- default y
- depends on CMD_MEMORY && (LIB_RAND || LIB_HW_RAND)
- help
- random - fill memory with random data
- config CMD_MEMTEST
- bool "memtest"
- help
- Simple RAM read/write test.
- if CMD_MEMTEST
- config SYS_ALT_MEMTEST
- bool "Alternative test"
- help
- Use a more complete alternative memory test.
- if SYS_ALT_MEMTEST
- config SYS_ALT_MEMTEST_BITFLIP
- bool "Bitflip test"
- default y
- help
- The alternative memory test includes bitflip test since 2020.07.
- The bitflip test significantly increases the overall test time.
- Bitflip test can optionally be disabled here.
- endif
- config SYS_MEMTEST_START
- hex "default start address for mtest"
- default 0
- help
- This is the default start address for mtest for simple read/write
- test. If no arguments are given to mtest, default address is used
- as start address.
- config SYS_MEMTEST_END
- hex "default end address for mtest"
- default 0x1000
- help
- This is the default end address for mtest for simple read/write
- test. If no arguments are given to mtest, default address is used
- as end address.
- endif
- config CMD_SHA1SUM
- bool "sha1sum"
- select SHA1
- help
- Compute SHA1 checksum.
- config SHA1SUM_VERIFY
- bool "sha1sum -v"
- depends on CMD_SHA1SUM
- help
- Add -v option to verify data against a SHA1 checksum.
- config CMD_STRINGS
- bool "strings - display strings in memory"
- help
- This works similarly to the Unix 'strings' command except that it
- works with a memory range. String of printable characters found
- within the range are displayed. The minimum number of characters
- for a sequence to be considered a string can be provided.
- endmenu
- menu "Compression commands"
- config CMD_LZMADEC
- bool "lzmadec"
- default y if CMD_BOOTI
- select LZMA
- help
- Support decompressing an LZMA (Lempel-Ziv-Markov chain algorithm)
- image from memory.
- config CMD_UNLZ4
- bool "unlz4"
- default y if CMD_BOOTI
- select LZ4
- help
- Support decompressing an LZ4 image from memory region.
- config CMD_UNZIP
- bool "unzip"
- default y if CMD_BOOTI
- select GZIP
- help
- Uncompress a zip-compressed memory region.
- config CMD_ZIP
- bool "zip"
- select GZIP_COMPRESSED
- help
- Compress a memory region with zlib deflate method.
- endmenu
- menu "Device access commands"
- config CMD_ARMFLASH
- #depends on FLASH_CFI_DRIVER
- bool "armflash"
- help
- ARM Ltd reference designs flash partition access
- config CMD_ADC
- bool "adc - Access Analog to Digital Converters info and data"
- select ADC
- depends on DM_REGULATOR
- help
- Shows ADC device info and permit printing one-shot analog converted
- data from a named Analog to Digital Converter.
- config CMD_BCB
- bool "bcb"
- depends on MMC
- depends on PARTITIONS
- help
- Read/modify/write the fields of Bootloader Control Block, usually
- stored on the flash "misc" partition with its structure defined in:
- https://android.googlesource.com/platform/bootable/recovery/+/master/
- bootloader_message/include/bootloader_message/bootloader_message.h
- Some real-life use-cases include (but are not limited to):
- - Determine the "boot reason" (and act accordingly):
- https://source.android.com/devices/bootloader/boot-reason
- - Get/pass a list of commands from/to recovery:
- https://android.googlesource.com/platform/bootable/recovery
- - Inspect/dump the contents of the BCB fields
- config CMD_BIND
- bool "bind/unbind - Bind or unbind a device to/from a driver"
- depends on DM
- help
- Bind or unbind a device to/from a driver from the command line.
- This is useful in situations where a device may be handled by several
- drivers. For example, this can be used to bind a UDC to the usb ether
- gadget driver from the command line.
- config CMD_CLK
- bool "clk - Show clock frequencies"
- help
- (deprecated)
- Shows clock frequences by calling a sock_clk_dump() hook function.
- This is depreated in favour of using the CLK uclass and accessing
- clock values from associated drivers. However currently no command
- exists for this.
- config CMD_DEMO
- bool "demo - Demonstration commands for driver model"
- depends on DM
- help
- Provides a 'demo' command which can be used to play around with
- driver model. To use this properly you will need to enable one or
- both of the demo devices (DM_DEMO_SHAPE and DM_DEMO_SIMPLE).
- Otherwise you will always get an empty list of devices. The demo
- devices are defined in the sandbox device tree, so the easiest
- option is to use sandbox and pass the -d point to sandbox's
- u-boot.dtb file.
- config CMD_DFU
- bool "dfu"
- select DFU
- help
- Enables the command "dfu" which is used to have U-Boot create a DFU
- class device via USB. This command requires that the "dfu_alt_info"
- environment variable be set and define the alt settings to expose to
- the host.
- config CMD_DM
- bool "dm - Access to driver model information"
- depends on DM
- help
- Provides access to driver model data structures and information,
- such as a list of devices, list of uclasses and the state of each
- device (e.g. activated). This is not required for operation, but
- can be useful to see the state of driver model for debugging or
- interest.
- config CMD_FASTBOOT
- bool "fastboot - Android fastboot support"
- depends on FASTBOOT
- help
- This enables the command "fastboot" which enables the Android
- fastboot mode for the platform. Fastboot is a protocol for
- downloading images, flashing and device control used on
- Android devices. Fastboot requires either the network stack
- enabled or support for acting as a USB device.
- See doc/android/fastboot.rst for more information.
- config CMD_FLASH
- bool "flinfo, erase, protect"
- default y
- depends on MTD || FLASH_CFI_DRIVER || MTD_NOR_FLASH
- help
- NOR flash support.
- flinfo - print FLASH memory information
- erase - FLASH memory
- protect - enable or disable FLASH write protection
- config CMD_FPGA
- bool "fpga"
- depends on FPGA
- default y
- help
- FPGA support.
- config CMD_FPGA_LOADBP
- bool "fpga loadbp - load partial bitstream (Xilinx only)"
- depends on CMD_FPGA
- help
- Supports loading an FPGA device from a bitstream buffer containing
- a partial bitstream.
- config CMD_FPGA_LOADFS
- bool "fpga loadfs - load bitstream from FAT filesystem (Xilinx only)"
- depends on CMD_FPGA
- help
- Supports loading an FPGA device from a FAT filesystem.
- config CMD_FPGA_LOADMK
- bool "fpga loadmk - load bitstream from image"
- depends on CMD_FPGA
- help
- Supports loading an FPGA device from a image generated by mkimage.
- config CMD_FPGA_LOADP
- bool "fpga loadp - load partial bitstream"
- depends on CMD_FPGA
- help
- Supports loading an FPGA device from a bitstream buffer containing
- a partial bitstream.
- config CMD_FPGA_LOAD_SECURE
- bool "fpga loads - loads secure bitstreams (Xilinx only)"
- depends on CMD_FPGA
- help
- Enables the fpga loads command which is used to load secure
- (authenticated or encrypted or both) bitstreams on to FPGA.
- config CMD_FPGAD
- bool "fpgad - dump FPGA registers"
- help
- (legacy, needs conversion to driver model)
- Provides a way to dump FPGA registers by calling the board-specific
- fpga_get_reg() function. This functions similarly to the 'md'
- command.
- config CMD_FUSE
- bool "fuse - support for the fuse subssystem"
- help
- (deprecated - needs conversion to driver model)
- This allows reading, sensing, programming or overriding fuses
- which control the behaviour of the device. The command uses the
- fuse_...() API.
- config CMD_GPIO
- bool "gpio"
- help
- GPIO support.
- config CMD_PWM
- bool "pwm"
- depends on DM_PWM
- help
- Control PWM channels, this allows invert/config/enable/disable PWM channels.
- config CMD_GPT
- bool "GPT (GUID Partition Table) command"
- select EFI_PARTITION
- select HAVE_BLOCK_DEVICE
- select PARTITION_UUIDS
- imply RANDOM_UUID
- help
- Enable the 'gpt' command to ready and write GPT style partition
- tables.
- config RANDOM_UUID
- bool "GPT Random UUID generation"
- select LIB_UUID
- help
- Enable the generation of partitions with random UUIDs if none
- are provided.
- config CMD_GPT_RENAME
- bool "GPT partition renaming commands"
- depends on CMD_GPT
- help
- Enables the 'gpt' command to interchange names on two GPT
- partitions via the 'gpt swap' command or to rename single
- partitions via the 'rename' command.
- config CMD_IDE
- bool "ide - Support for IDE drivers"
- select IDE
- help
- Provides an 'ide' command which allows accessing the IDE drive,
- reseting the IDE interface, printing the partition table and
- geting device info. It also enables the 'diskboot' command which
- permits booting from an IDE drive.
- config CMD_IO
- bool "io - Support for performing I/O accesses"
- help
- Provides an 'iod' command to display I/O space and an 'iow' command
- to write values to the I/O space. This can be useful for manually
- checking the state of devices during boot when debugging device
- drivers, etc.
- config CMD_IOTRACE
- bool "iotrace - Support for tracing I/O activity"
- help
- Provides an 'iotrace' command which supports recording I/O reads and
- writes in a trace buffer in memory . It also maintains a checksum
- of the trace records (even if space is exhausted) so that the
- sequence of I/O accesses can be verified.
- When debugging drivers it is useful to see what I/O accesses were
- done and in what order.
- Even if the individual accesses are of little interest it can be
- useful to verify that the access pattern is consistent each time
- an operation is performed. In this case a checksum can be used to
- characterise the operation of a driver. The checksum can be compared
- across different runs of the operation to verify that the driver is
- working properly.
- In particular, when performing major refactoring of the driver, where
- the access pattern should not change, the checksum provides assurance
- that the refactoring work has not broken the driver.
- This works by sneaking into the io.h heder for an architecture and
- redirecting I/O accesses through iotrace's tracing mechanism.
- For now no commands are provided to examine the trace buffer. The
- format is fairly simple, so 'md' is a reasonable substitute.
- Note: The checksum feature is only useful for I/O regions where the
- contents do not change outside of software control. Where this is not
- suitable you can fall back to manually comparing the addresses. It
- might be useful to enhance tracing to only checksum the accesses and
- not the data read/written.
- config CMD_I2C
- bool "i2c"
- help
- I2C support.
- config CMD_W1
- depends on W1
- default y if W1
- bool "w1 - Support for Dallas 1-Wire protocol"
- help
- Dallas 1-wire protocol support
- config CMD_LOADB
- bool "loadb"
- default y
- help
- Load a binary file over serial line.
- config CMD_LOADS
- bool "loads"
- default y
- help
- Load an S-Record file over serial line
- config CMD_LSBLK
- depends on BLK
- bool "lsblk - list block drivers and devices"
- help
- Print list of available block device drivers, and for each, the list
- of known block devices.
- config CMD_MBR
- bool "MBR (Master Boot Record) command"
- select DOS_PARTITION
- select HAVE_BLOCK_DEVICE
- help
- Enable the 'mbr' command to ready and write MBR (Master Boot Record)
- style partition tables.
- config CMD_MISC
- bool "misc"
- depends on MISC
- help
- Enable the command "misc" for accessing miscellaneous devices with
- a MISC uclass driver. The command provides listing all MISC devices
- as well as read and write functionalities via their drivers.
- config CMD_MMC
- bool "mmc"
- depends on MMC
- help
- MMC memory mapped support.
- if CMD_MMC
- config CMD_BKOPS_ENABLE
- bool "mmc bkops enable"
- depends on CMD_MMC
- default n
- help
- Enable command for setting manual background operations handshake
- on a eMMC device. The feature is optionally available on eMMC devices
- conforming to standard >= 4.41.
- config CMD_MMC_RPMB
- bool "Enable support for RPMB in the mmc command"
- depends on SUPPORT_EMMC_RPMB
- help
- Enable the commands for reading, writing and programming the
- key for the Replay Protection Memory Block partition in eMMC.
- config CMD_MMC_SWRITE
- bool "mmc swrite"
- depends on MMC_WRITE
- select IMAGE_SPARSE
- help
- Enable support for the "mmc swrite" command to write Android sparse
- images to eMMC.
- endif
- config CMD_CLONE
- bool "clone"
- depends on BLK
- help
- Enable storage cloning over block devices, useful for
- initial flashing by external block device without network
- or usb support.
- config CMD_OPTEE_RPMB
- bool "Enable read/write support on RPMB via OPTEE"
- depends on SUPPORT_EMMC_RPMB && OPTEE
- help
- Enable the commands for reading, writing persistent named values
- in the Replay Protection Memory Block partition in eMMC by
- using Persistent Objects in OPTEE
- config CMD_MTD
- bool "mtd"
- depends on MTD
- select MTD_PARTITIONS
- help
- MTD commands support.
- config CMD_MUX
- bool "mux"
- depends on MULTIPLEXER
- help
- List, select, and deselect mux controllers on the fly.
- config CMD_NAND
- bool "nand"
- default y if NAND_SUNXI
- depends on MTD_RAW_NAND
- help
- NAND support.
- if CMD_NAND
- config CMD_NAND_TRIMFFS
- bool "nand write.trimffs"
- default y if ARCH_SUNXI
- help
- Allows one to skip empty pages when flashing something on a NAND.
- config CMD_NAND_LOCK_UNLOCK
- bool "nand lock/unlock"
- help
- NAND locking support.
- config CMD_NAND_TORTURE
- bool "nand torture"
- help
- NAND torture support.
- endif # CMD_NAND
- config CMD_NVME
- bool "nvme"
- depends on NVME
- default y if NVME
- help
- NVM Express device support
- config CMD_ONENAND
- bool "onenand - access to onenand device"
- depends on MTD
- help
- OneNAND is a brand of NAND ('Not AND' gate) flash which provides
- various useful features. This command allows reading, writing,
- and erasing blocks. It allso provides a way to show and change
- bad blocks, and test the device.
- config CMD_OSD
- bool "osd"
- help
- Enable the 'osd' command which allows to query information from and
- write text data to a on-screen display (OSD) device; a virtual device
- associated with a display capable of displaying a text overlay on the
- display it's associated with..
- config CMD_PART
- bool "part"
- select HAVE_BLOCK_DEVICE
- select PARTITION_UUIDS
- help
- Read and display information about the partition table on
- various media.
- config CMD_PCI
- bool "pci - Access PCI devices"
- help
- Provide access to PCI (Peripheral Interconnect Bus), a type of bus
- used on some devices to allow the CPU to communicate with its
- peripherals. Sub-commands allow bus enumeration, displaying and
- changing configuration space and a few other features.
- config CMD_PINMUX
- bool "pinmux - show pins muxing"
- depends on PINCTRL
- default y if PINCTRL
- help
- Parse all available pin-controllers and show pins muxing. This
- is useful for debug purpoer to check the pin muxing and to know if
- a pin is configured as a GPIO or as an alternate function.
- config CMD_POWEROFF
- bool "poweroff"
- help
- Poweroff/Shutdown the system
- config CMD_READ
- bool "read - Read binary data from a partition"
- help
- Provides low-level access to the data in a partition.
- config CMD_REMOTEPROC
- bool "remoteproc"
- depends on REMOTEPROC
- help
- Support for Remote Processor control
- config CMD_SATA
- bool "sata - Access SATA subsystem"
- select SATA
- help
- SATA (Serial Advanced Technology Attachment) is a serial bus
- standard for connecting to hard drives and other storage devices.
- This command provides information about attached devices and allows
- reading, writing and other operations.
- SATA replaces PATA (originally just ATA), which stands for Parallel AT
- Attachment, where AT refers to an IBM AT (Advanced Technology)
- computer released in 1984.
- config CMD_SAVES
- bool "saves - Save a file over serial in S-Record format"
- help
- Provides a way to save a binary file using the Motorola S-Record
- format over the serial line.
- config CMD_SCSI
- bool "scsi - Access to SCSI devices"
- default y if SCSI
- help
- This provides a 'scsi' command which provides access to SCSI (Small
- Computer System Interface) devices. The command provides a way to
- scan the bus, reset the bus, read and write data and get information
- about devices.
- config CMD_SDRAM
- bool "sdram - Print SDRAM configuration information"
- help
- Provides information about attached SDRAM. This assumed that the
- SDRAM has an EEPROM with information that can be read using the
- I2C bus. This is only available on some boards.
- config CMD_SF
- bool "sf"
- depends on DM_SPI_FLASH || SPI_FLASH
- default y if DM_SPI_FLASH
- help
- SPI Flash support
- config CMD_SF_TEST
- bool "sf test - Allow testing of SPI flash"
- depends on CMD_SF
- help
- Provides a way to test that SPI flash is working correctly. The
- test is destructive, in that an area of SPI flash must be provided
- for the test to use. Performance information is also provided,
- measuring the performance of reading, writing and erasing in
- Mbps (Million Bits Per Second). This value should approximately
- equal the SPI bus speed for a single-bit-wide SPI bus, assuming
- everything is working properly.
- config CMD_SPI
- bool "sspi - Command to access spi device"
- depends on SPI
- help
- SPI utility command.
- config DEFAULT_SPI_BUS
- int "default spi bus used by sspi command"
- depends on CMD_SPI
- default 0
- config DEFAULT_SPI_MODE
- hex "default spi mode used by sspi command (see include/spi.h)"
- depends on CMD_SPI
- default 0
- config CMD_TSI148
- bool "tsi148 - Command to access tsi148 device"
- help
- This provides various sub-commands to initialise and configure the
- Turndra tsi148 device. See the command help for full details.
- config CMD_UFS
- bool "Enable UFS - Universal Flash Subsystem commands"
- depends on UFS
- help
- "This provides commands to initialise and configure universal flash
- subsystem devices"
- config CMD_UNIVERSE
- bool "universe - Command to set up the Turndra Universe controller"
- help
- This allows setting up the VMEbus provided by this controller.
- See the command help for full details.
- config CMD_USB
- bool "usb"
- depends on USB_HOST
- select HAVE_BLOCK_DEVICE
- help
- USB support.
- config CMD_USB_SDP
- bool "sdp"
- select USB_FUNCTION_SDP
- help
- Enables the command "sdp" which is used to have U-Boot emulating the
- Serial Download Protocol (SDP) via USB.
- config CMD_ROCKUSB
- bool "rockusb"
- depends on USB_FUNCTION_ROCKUSB
- help
- Rockusb protocol is widely used by Rockchip SoC based devices. It can
- read/write info, image to/from devices. This enable rockusb command
- support to communication with rockusb device. for more detail about
- this command, please read doc/README.rockusb.
- config CMD_USB_MASS_STORAGE
- bool "UMS usb mass storage"
- depends on USB_GADGET_DOWNLOAD
- select USB_FUNCTION_MASS_STORAGE
- depends on BLK && USB_GADGET
- help
- Enables the command "ums" and the USB mass storage support to the
- export a block device: U-Boot, the USB device, acts as a simple
- external hard drive plugged on the host USB port.
- config CMD_PVBLOCK
- bool "Xen para-virtualized block device"
- depends on XEN
- select PVBLOCK
- help
- Xen para-virtualized block device support
- config CMD_VIRTIO
- bool "virtio"
- depends on VIRTIO
- depends on HAVE_BLOCK_DEVICE
- default y if VIRTIO
- help
- VirtIO block device support
- config CMD_WDT
- bool "wdt"
- depends on WDT
- help
- This provides commands to control the watchdog timer devices.
- config CMD_AXI
- bool "axi"
- depends on AXI
- help
- Enable the command "axi" for accessing AXI (Advanced eXtensible
- Interface) busses, a on-chip interconnect specification for managing
- functional blocks in SoC designs, which is also often used in designs
- involving FPGAs (e.g. communication with IP cores in Xilinx FPGAs).
- endmenu
- menu "Shell scripting commands"
- config CMD_ECHO
- bool "echo"
- default y
- help
- Echo args to console
- config CMD_ITEST
- bool "itest"
- default y
- help
- Return true/false on integer compare.
- config CMD_SOURCE
- bool "source"
- default y
- help
- Run script from memory
- config CMD_SETEXPR
- bool "setexpr"
- default y
- help
- Evaluate boolean and math expressions and store the result in an env
- variable.
- Also supports loading the value at a memory location into a variable.
- If CONFIG_REGEX is enabled, setexpr also supports a gsub function.
- config CMD_SETEXPR_FMT
- bool "setexpr_fmt"
- default n
- depends on CMD_SETEXPR
- help
- Evaluate format string expression and store result in an environment
- variable.
- endmenu
- menu "Android support commands"
- config CMD_AB_SELECT
- bool "ab_select"
- default n
- depends on ANDROID_AB
- help
- On Android devices with more than one boot slot (multiple copies of
- the kernel and system images) this provides a command to select which
- slot should be used to boot from and register the boot attempt. This
- is used by the new A/B update model where one slot is updated in the
- background while running from the other slot.
- endmenu
- if NET
- menuconfig CMD_NET
- bool "Network commands"
- default y
- imply NETDEVICES
- if CMD_NET
- config CMD_BOOTP
- bool "bootp"
- default y
- help
- bootp - boot image via network using BOOTP/TFTP protocol
- config CMD_DHCP
- bool "dhcp"
- depends on CMD_BOOTP
- help
- Boot image via network using DHCP/TFTP protocol
- config BOOTP_BOOTPATH
- bool "Request & store 'rootpath' from BOOTP/DHCP server"
- default y
- depends on CMD_BOOTP
- help
- Even though the config is called BOOTP_BOOTPATH, it stores the
- path in the variable 'rootpath'.
- config BOOTP_DNS
- bool "Request & store 'dnsip' from BOOTP/DHCP server"
- default y
- depends on CMD_BOOTP
- help
- The primary DNS server is stored as 'dnsip'. If two servers are
- returned, you must set BOOTP_DNS2 to store that second server IP
- also.
- config BOOTP_DNS2
- bool "Store 'dnsip2' from BOOTP/DHCP server"
- depends on BOOTP_DNS
- help
- If a DHCP client requests the DNS server IP from a DHCP server,
- it is possible that more than one DNS serverip is offered to the
- client. If CONFIG_BOOTP_DNS2 is enabled, the secondary DNS
- server IP will be stored in the additional environment
- variable "dnsip2". The first DNS serverip is always
- stored in the variable "dnsip", when BOOTP_DNS is defined.
- config BOOTP_GATEWAY
- bool "Request & store 'gatewayip' from BOOTP/DHCP server"
- default y
- depends on CMD_BOOTP
- config BOOTP_HOSTNAME
- bool "Request & store 'hostname' from BOOTP/DHCP server"
- default y
- depends on CMD_BOOTP
- help
- The name may or may not be qualified with the local domain name.
- config BOOTP_PREFER_SERVERIP
- bool "serverip variable takes precedent over DHCP server IP."
- depends on CMD_BOOTP
- help
- By default a BOOTP/DHCP reply will overwrite the 'serverip' variable.
- With this option enabled, the 'serverip' variable in the environment
- takes precedence over DHCP server IP and will only be set by the DHCP
- server if not already set in the environment.
- config BOOTP_SUBNETMASK
- bool "Request & store 'netmask' from BOOTP/DHCP server"
- default y
- depends on CMD_BOOTP
- config BOOTP_NTPSERVER
- bool "Request & store 'ntpserverip' from BOOTP/DHCP server"
- depends on CMD_BOOTP
- config CMD_PCAP
- bool "pcap capture"
- help
- Selecting this will allow capturing all Ethernet packets and store
- them in physical memory in a PCAP formated file,
- later to be analyzed by PCAP reader application (IE. WireShark).
- config BOOTP_PXE
- bool "Send PXE client arch to BOOTP/DHCP server"
- default y
- depends on CMD_BOOTP && CMD_PXE
- help
- Supported for ARM, ARM64, and x86 for now.
- config BOOTP_PXE_CLIENTARCH
- hex
- depends on BOOTP_PXE
- default 0x16 if ARM64
- default 0x15 if ARM
- default 0 if X86
- config BOOTP_VCI_STRING
- string
- depends on CMD_BOOTP
- default "U-Boot.armv7" if CPU_V7A || CPU_V7M || CPU_V7R
- default "U-Boot.armv8" if ARM64
- default "U-Boot.arm" if ARM
- default "U-Boot"
- config CMD_TFTPBOOT
- bool "tftpboot"
- default y
- help
- tftpboot - boot image via network using TFTP protocol
- config CMD_TFTPPUT
- bool "tftp put"
- depends on CMD_TFTPBOOT
- help
- TFTP put command, for uploading files to a server
- config CMD_TFTPSRV
- bool "tftpsrv"
- depends on CMD_TFTPBOOT
- help
- Act as a TFTP server and boot the first received file
- config NET_TFTP_VARS
- bool "Control TFTP timeout and count through environment"
- depends on CMD_TFTPBOOT
- default y
- help
- If set, allows controlling the TFTP timeout through the
- environment variable tftptimeout, and the TFTP maximum
- timeout count through the variable tftptimeoutcountmax.
- If unset, timeout and maximum are hard-defined as 1 second
- and 10 timouts per TFTP transfer.
- config CMD_RARP
- bool "rarpboot"
- help
- Boot image via network using RARP/TFTP protocol
- config CMD_NFS
- bool "nfs"
- default y
- help
- Boot image via network using NFS protocol.
- config CMD_MII
- bool "mii"
- imply CMD_MDIO
- help
- If set, allows 802.3(clause 22) MII Management functions interface access
- The management interface specified in Clause 22 provides
- a simple, two signal, serial interface to connect a
- Station Management entity and a managed PHY for providing access
- to management parameters and services.
- The interface is referred to as the MII management interface.
- config CMD_MDIO
- bool "mdio"
- depends on PHYLIB
- help
- If set, allows Enable 802.3(clause 45) MDIO interface registers access
- The MDIO interface is orthogonal to the MII interface and extends
- it by adding access to more registers through indirect addressing.
- config CMD_PING
- bool "ping"
- help
- Send ICMP ECHO_REQUEST to network host
- config CMD_CDP
- bool "cdp"
- help
- Perform CDP network configuration
- config CMD_SNTP
- bool "sntp"
- select PROT_UDP
- help
- Synchronize RTC via network
- config CMD_DNS
- bool "dns"
- help
- Lookup the IP of a hostname
- config CMD_LINK_LOCAL
- bool "linklocal"
- select LIB_RAND
- help
- Acquire a network IP address using the link-local protocol
- endif
- config CMD_ETHSW
- bool "ethsw"
- help
- Allow control of L2 Ethernet switch commands. These are supported
- by the vsc9953 Ethernet driver at present. Sub-commands allow
- operations such as enabling / disabling a port and
- viewing/maintaining the filtering database (FDB)
- config CMD_PXE
- bool "pxe"
- select MENU
- help
- Boot image via network using PXE protocol
- config CMD_WOL
- bool "wol"
- help
- Wait for wake-on-lan Magic Packet
- endif
- menu "Misc commands"
- config CMD_BMP
- bool "Enable 'bmp' command"
- depends on LCD || DM_VIDEO || VIDEO
- help
- This provides a way to obtain information about a BMP-format image
- and to display it. BMP (which presumably stands for BitMaP) is a
- file format defined by Microsoft which supports images of various
- depths, formats and compression methods. Headers on the file
- determine the formats used. This command can be used by first loading
- the image into RAM, then using this command to look at it or display
- it.
- config CMD_BOOTCOUNT
- bool "bootcount"
- depends on BOOTCOUNT_LIMIT
- help
- Enable the bootcount command, which allows interrogation and
- reset of the bootcounter.
- config CMD_BSP
- bool "Enable board-specific commands"
- help
- (deprecated: instead, please define a Kconfig option for each command)
- Some boards have board-specific commands which are only enabled
- during developemnt and need to be turned off for production. This
- option provides a way to control this. The commands that are enabled
- vary depending on the board.
- config CMD_BLOCK_CACHE
- bool "blkcache - control and stats for block cache"
- depends on BLOCK_CACHE
- default y if BLOCK_CACHE
- help
- Enable the blkcache command, which can be used to control the
- operation of the cache functions.
- This is most useful when fine-tuning the operation of the cache
- during development, but also allows the cache to be disabled when
- it might hurt performance (e.g. when using the ums command).
- config CMD_BUTTON
- bool "button"
- depends on BUTTON
- default y if BUTTON
- help
- Enable the 'button' command which allows to get the status of
- buttons supported by the board. The buttonss can be listed with
- 'button list' and state can be known with 'button <label>'.
- Any button drivers can be controlled with this command, e.g.
- button_gpio.
- config CMD_CACHE
- bool "icache or dcache"
- help
- Enable the "icache" and "dcache" commands
- config CMD_CONITRACE
- bool "conitrace - trace console input codes"
- help
- Enable the 'conitrace' command which displays the codes received
- from the console input as hexadecimal numbers.
- config CMD_CLS
- bool "Enable clear screen command 'cls'"
- depends on CFB_CONSOLE || DM_VIDEO || LCD || VIDEO
- default y if LCD
- help
- Enable the 'cls' command which clears the screen contents
- on video frame buffer.
- config CMD_EFIDEBUG
- bool "efidebug - display/configure UEFI environment"
- depends on EFI_LOADER
- select EFI_DEVICE_PATH_TO_TEXT
- default n
- help
- Enable the 'efidebug' command which provides a subset of UEFI
- shell utility with simplified functionality. It will be useful
- particularly for managing boot parameters as well as examining
- various EFI status for debugging.
- config CMD_EXCEPTION
- bool "exception - raise exception"
- depends on ARM || RISCV || SANDBOX || X86
- help
- Enable the 'exception' command which allows to raise an exception.
- config CMD_LED
- bool "led"
- depends on LED
- default y if LED
- help
- Enable the 'led' command which allows for control of LEDs supported
- by the board. The LEDs can be listed with 'led list' and controlled
- with led on/off/togle/blink. Any LED drivers can be controlled with
- this command, e.g. led_gpio.
- config CMD_DATE
- bool "date"
- default y if DM_RTC
- select LIB_DATE
- help
- Enable the 'date' command for getting/setting the time/date in RTC
- devices.
- config CMD_RTC
- bool "rtc"
- depends on DM_RTC
- help
- Enable the 'rtc' command for low-level access to RTC devices.
- config CMD_TIME
- bool "time"
- help
- Run commands and summarize execution time.
- config CMD_GETTIME
- bool "gettime - read elapsed time"
- help
- Enable the 'gettime' command which reads the elapsed time since
- U-Boot started running. This shows the time in seconds and
- milliseconds. See also the 'bootstage' command which provides more
- flexibility for boot timing.
- config CMD_RNG
- bool "rng command"
- depends on DM_RNG
- select HEXDUMP
- help
- Print bytes from the hardware random number generator.
- config CMD_SLEEP
- bool "sleep"
- default y
- help
- Delay execution for some time
- config MP
- bool "support for multiprocessor"
- help
- This provides an option to brinup
- different processors in multiprocessor
- cases.
- config CMD_TIMER
- bool "timer"
- help
- Access the system timer.
- config CMD_SOUND
- bool "sound"
- depends on SOUND
- help
- This provides basic access to the U-Boot's sound support. The main
- feature is to play a beep.
- sound init - set up sound system
- sound play - play a sound
- config CMD_SYSBOOT
- bool "sysboot"
- select MENU
- help
- Boot image via local extlinux.conf file
- config CMD_QFW
- bool "qfw"
- select QFW
- help
- This provides access to the QEMU firmware interface. The main
- feature is to allow easy loading of files passed to qemu-system
- via -kernel / -initrd
- config CMD_PSTORE
- bool "pstore"
- help
- This provides access to Linux PStore with Rammoops backend. The main
- feature is to allow to display or save PStore records.
- See doc/pstore.rst for more information.
- if CMD_PSTORE
- config CMD_PSTORE_MEM_ADDR
- hex "Memory Address"
- depends on CMD_PSTORE
- help
- Base addr used for PStore ramoops memory, should be identical to
- ramoops.mem_address parameter used by kernel
- config CMD_PSTORE_MEM_SIZE
- hex "Memory size"
- depends on CMD_PSTORE
- default "0x10000"
- help
- Size of PStore ramoops memory, should be identical to ramoops.mem_size
- parameter used by kernel, a power of 2 and larger than the sum of the
- record sizes
- config CMD_PSTORE_RECORD_SIZE
- hex "Dump record size"
- depends on CMD_PSTORE
- default "0x1000"
- help
- Size of each dump done on oops/panic, should be identical to
- ramoops.record_size parameter used by kernel and a power of 2
- Must be non-zero
- config CMD_PSTORE_CONSOLE_SIZE
- hex "Kernel console log size"
- depends on CMD_PSTORE
- default "0x1000"
- help
- Size of kernel console log, should be identical to
- ramoops.console_size parameter used by kernel and a power of 2
- Must be non-zero
- config CMD_PSTORE_FTRACE_SIZE
- hex "FTrace log size"
- depends on CMD_PSTORE
- default "0x1000"
- help
- Size of ftrace log, should be identical to ramoops.ftrace_size
- parameter used by kernel and a power of 2
- config CMD_PSTORE_PMSG_SIZE
- hex "User space message log size"
- depends on CMD_PSTORE
- default "0x1000"
- help
- Size of user space message log, should be identical to
- ramoops.pmsg_size parameter used by kernel and a power of 2
- config CMD_PSTORE_ECC_SIZE
- int "ECC size"
- depends on CMD_PSTORE
- default "0"
- help
- if non-zero, the option enables ECC support and specifies ECC buffer
- size in bytes (1 is a special value, means 16 bytes ECC), should be
- identical to ramoops.ramoops_ecc parameter used by kernel
- endif
- source "cmd/mvebu/Kconfig"
- config CMD_TERMINAL
- bool "terminal - provides a way to attach a serial terminal"
- help
- Provides a 'cu'-like serial terminal command. This can be used to
- access other serial ports from the system console. The terminal
- is very simple with no special processing of characters. As with
- cu, you can press ~. (tilde followed by period) to exit.
- config CMD_UUID
- bool "uuid, guid - generation of unique IDs"
- select LIB_UUID
- help
- This enables two commands:
- uuid - generate random Universally Unique Identifier
- guid - generate Globally Unique Identifier based on random UUID
- The two commands are very similar except for the endianness of the
- output.
- endmenu
- source "cmd/ti/Kconfig"
- config CMD_BOOTSTAGE
- bool "Enable the 'bootstage' command"
- depends on BOOTSTAGE
- help
- Add a 'bootstage' command which supports printing a report
- and un/stashing of bootstage data.
- menu "Power commands"
- config CMD_PMIC
- bool "Enable Driver Model PMIC command"
- depends on DM_PMIC
- help
- This is the pmic command, based on a driver model pmic's API.
- Command features are unchanged:
- - list - list pmic devices
- - pmic dev <id> - show or [set] operating pmic device (NEW)
- - pmic dump - dump registers
- - pmic read address - read byte of register at address
- - pmic write address - write byte to register at address
- The only one change for this command is 'dev' subcommand.
- config CMD_REGULATOR
- bool "Enable Driver Model REGULATOR command"
- depends on DM_REGULATOR
- help
- This command is based on driver model regulator's API.
- User interface features:
- - list - list regulator devices
- - regulator dev <id> - show or [set] operating regulator device
- - regulator info - print constraints info
- - regulator status - print operating status
- - regulator value <val] <-f> - print/[set] voltage value [uV]
- - regulator current <val> - print/[set] current value [uA]
- - regulator mode <id> - print/[set] operating mode id
- - regulator enable - enable the regulator output
- - regulator disable - disable the regulator output
- The '-f' (force) option can be used for set the value which exceeds
- the limits, which are found in device-tree and are kept in regulator's
- uclass plat structure.
- endmenu
- menu "Security commands"
- config CMD_AES
- bool "Enable the 'aes' command"
- select AES
- help
- This provides a means to encrypt and decrypt data using the AES
- (Advanced Encryption Standard). This algorithm uses a symetric key
- and is widely used as a streaming cipher. Different key lengths are
- supported by the algorithm but this command only supports 128 bits
- at present.
- config CMD_BLOB
- bool "Enable the 'blob' command"
- depends on !MX6ULL && !MX6SLL && !MX6SL
- select IMX_HAB if ARCH_MX6 || ARCH_MX7 || ARCH_MX7ULP || ARCH_IMX8M
- help
- This is used with the Freescale secure boot mechanism.
- Freescale's SEC block has built-in Blob Protocol which provides
- a method for protecting user-defined data across system power
- cycles. SEC block protects data in a data structure called a Blob,
- which provides both confidentiality and integrity protection.
- Encapsulating data as a blob
- Each time that the Blob Protocol is used to protect data, a
- different randomly generated key is used to encrypt the data.
- This random key is itself encrypted using a key which is derived
- from SoC's non-volatile secret key and a 16 bit Key identifier.
- The resulting encrypted key along with encrypted data is called a
- blob. The non-volatile secure key is available for use only during
- secure boot.
- During decapsulation, the reverse process is performed to get back
- the original data.
- Sub-commands:
- blob enc - encapsulating data as a cryptgraphic blob
- blob dec - decapsulating cryptgraphic blob to get the data
- Syntax:
- blob enc src dst len km
- Encapsulate and create blob of data $len bytes long
- at address $src and store the result at address $dst.
- $km is the 16 byte key modifier is also required for
- generation/use as key for cryptographic operation. Key
- modifier should be 16 byte long.
- blob dec src dst len km
- Decapsulate the blob of data at address $src and
- store result of $len byte at addr $dst.
- $km is the 16 byte key modifier is also required for
- generation/use as key for cryptographic operation. Key
- modifier should be 16 byte long.
- config CMD_HASH
- bool "Support 'hash' command"
- select HASH
- help
- This provides a way to hash data in memory using various supported
- algorithms (such as SHA1, MD5, CRC32). The computed digest can be
- saved to memory or to an environment variable. It is also possible
- to verify a hash against data in memory.
- config CMD_HVC
- bool "Support the 'hvc' command"
- depends on ARM_SMCCC
- help
- Allows issuing Hypervisor Calls (HVCs). Mostly useful for
- development and testing.
- config CMD_SMC
- bool "Support the 'smc' command"
- depends on ARM_SMCCC
- help
- Allows issuing Secure Monitor Calls (SMCs). Mostly useful for
- development and testing.
- config HASH_VERIFY
- bool "hash -v"
- depends on CMD_HASH
- help
- Add -v option to verify data against a hash.
- config CMD_SCP03
- bool "scp03 - SCP03 enable and rotate/provision operations"
- depends on SCP03
- help
- This command provides access to a Trusted Application
- running in a TEE to request Secure Channel Protocol 03
- (SCP03) enablement and/or rotation of its SCP03 keys.
- config CMD_TPM_V1
- bool
- config CMD_TPM_V2
- bool
- config CMD_TPM
- bool "Enable the 'tpm' command"
- depends on TPM_V1 || TPM_V2
- select CMD_TPM_V1 if TPM_V1
- select CMD_TPM_V2 if TPM_V2
- help
- This provides a means to talk to a TPM from the command line. A wide
- range of commands if provided - see 'tpm help' for details. The
- command requires a suitable TPM on your board and the correct driver
- must be enabled.
- if CMD_TPM
- config CMD_TPM_TEST
- bool "Enable the 'tpm test' command"
- depends on TPM_V1
- help
- This provides a a series of tests to confirm that the TPMv1.x is
- working correctly. The tests cover initialisation, non-volatile RAM,
- extend, global lock and checking that timing is within expectations.
- The tests pass correctly on Infineon TPMs but may need to be adjusted
- for other devices.
- endif
- endmenu
- menu "Firmware commands"
- config CMD_CROS_EC
- bool "Enable crosec command"
- depends on CROS_EC
- default y
- help
- Enable command-line access to the Chrome OS EC (Embedded
- Controller). This provides the 'crosec' command which has
- a number of sub-commands for performing EC tasks such as
- updating its flash, accessing a small saved context area
- and talking to the I2C bus behind the EC (if there is one).
- endmenu
- menu "Filesystem commands"
- config CMD_BTRFS
- bool "Enable the 'btrsubvol' command"
- select FS_BTRFS
- help
- This enables the 'btrsubvol' command to list subvolumes
- of a BTRFS filesystem. There are no special commands for
- listing BTRFS directories or loading BTRFS files - this
- can be done by the generic 'fs' commands (see CMD_FS_GENERIC)
- when BTRFS is enabled (see FS_BTRFS).
- config CMD_CBFS
- bool "Enable the 'cbfs' command"
- depends on FS_CBFS
- help
- Define this to enable support for reading from a Coreboot
- filesystem. This is a ROM-based filesystem used for accessing files
- on systems that use coreboot as the first boot-loader and then load
- U-Boot to actually boot the Operating System. Available commands are
- cbfsinit, cbfsinfo, cbfsls and cbfsload.
- config CMD_CRAMFS
- bool "Enable the 'cramfs' command"
- depends on FS_CRAMFS
- help
- This provides commands for dealing with CRAMFS (Compressed ROM
- filesystem). CRAMFS is useful when space is tight since files are
- compressed. Two commands are provided:
- cramfsls - lists files in a cramfs image
- cramfsload - loads a file from a cramfs image
- config CMD_EXT2
- bool "ext2 command support"
- select FS_EXT4
- help
- Enables EXT2 FS command
- config CMD_EXT4
- bool "ext4 command support"
- select FS_EXT4
- help
- Enables EXT4 FS command
- config CMD_EXT4_WRITE
- depends on CMD_EXT4
- bool "ext4 write command support"
- select EXT4_WRITE
- help
- Enables EXT4 FS write command
- config CMD_FAT
- bool "FAT command support"
- select FS_FAT
- help
- Support for the FAT fs
- config CMD_SQUASHFS
- bool "SquashFS command support"
- select FS_SQUASHFS
- help
- Enables SquashFS filesystem commands (e.g. load, ls).
- config CMD_FS_GENERIC
- bool "filesystem commands"
- help
- Enables filesystem commands (e.g. load, ls) that work for multiple
- fs types.
- config CMD_FS_UUID
- bool "fsuuid command"
- help
- Enables fsuuid command for filesystem UUID.
- config CMD_JFFS2
- bool "jffs2 command"
- select FS_JFFS2
- help
- Enables commands to support the JFFS2 (Journalling Flash File System
- version 2) filesystem. This enables fsload, ls and fsinfo which
- provide the ability to load files, list directories and obtain
- filesystem information.
- config CMD_MTDPARTS
- bool "MTD partition support"
- depends on MTD
- help
- MTD partitioning tool support.
- It is strongly encouraged to avoid using this command
- anymore along with 'sf', 'nand', 'onenand'. One can still
- declare the partitions in the mtdparts environment variable
- but better use the MTD stack and the 'mtd' command instead.
- config CMD_MTDPARTS_SPREAD
- bool "Padd partition size to take account of bad blocks"
- depends on CMD_MTDPARTS
- help
- This enables the 'spread' sub-command of the mtdparts command.
- This command will modify the existing mtdparts variable by increasing
- the size of the partitions such that 1) each partition's net size is
- at least as large as the size specified in the mtdparts variable and
- 2) each partition starts on a good block.
- config CMD_MTDPARTS_SHOW_NET_SIZES
- bool "Show net size (w/o bad blocks) of partitions"
- depends on CMD_MTDPARTS
- help
- Adds two columns to the printed partition table showing the
- effective usable size of a partition, if bad blocks are taken
- into account.
- config MTDIDS_DEFAULT
- string "Default MTD IDs"
- depends on MTD || SPI_FLASH
- help
- Defines a default MTD IDs list for use with MTD partitions in the
- Linux MTD command line partitions format.
- config MTDPARTS_DEFAULT
- string "Default MTD partition scheme"
- depends on MTD || SPI_FLASH
- help
- Defines a default MTD partitioning scheme in the Linux MTD command
- line partitions format
- config CMD_REISER
- bool "reiser - Access to reiserfs filesystems"
- help
- This provides two commands which operate on a resierfs filesystem,
- commonly used some years ago:
- reiserls - list files
- reiserload - load a file
- config CMD_YAFFS2
- bool "yaffs2 - Access of YAFFS2 filesystem"
- depends on YAFFS2
- default y
- help
- This provides commands for accessing a YAFFS2 filesystem. Yet
- Another Flash Filesystem 2 is a filesystem designed specifically
- for NAND flash. It incorporates bad-block management and ensures
- that device writes are sequential regardless of filesystem
- activity.
- config CMD_ZFS
- bool "zfs - Access of ZFS filesystem"
- help
- This provides commands to accessing a ZFS filesystem, commonly used
- on Solaris systems. Two sub-commands are provided:
- zfsls - list files in a directory
- zfsload - load a file
- See doc/README.zfs for more details.
- endmenu
- menu "Debug commands"
- config CMD_BEDBUG
- bool "bedbug"
- help
- The bedbug (emBEDded deBUGger) command provides debugging features
- for some PowerPC processors. For details please see the
- documentation in doc/README.bedbug.
- config CMD_CBSYSINFO
- bool "cbsysinfo"
- depends on X86
- default y if SYS_COREBOOT
- help
- This provides information about the coreboot sysinfo table stored in
- memory by coreboot before jumping to U-Boot. It can be useful for
- debugging the beaaviour of coreboot or U-Boot.
- config CMD_DIAG
- bool "diag - Board diagnostics"
- help
- This command provides access to board diagnostic tests. These are
- called Power-on Self Tests (POST). The command allows listing of
- available tests and running either all the tests, or specific tests
- identified by name.
- config CMD_IRQ
- bool "irq - Show information about interrupts"
- depends on !ARM && !MIPS && !RISCV && !SH
- help
- This enables two commands:
- interrupts - enable or disable interrupts
- irqinfo - print device-specific interrupt information
- config CMD_KGDB
- bool "kgdb - Allow debugging of U-Boot with gdb"
- depends on PPC
- help
- This enables a 'kgdb' command which allows gdb to connect to U-Boot
- over a serial link for debugging purposes. This allows
- single-stepping, inspecting variables, etc. This is supported only
- on PowerPC at present.
- config CMD_LOG
- bool "log - Generation, control and access to logging"
- select LOG
- select GETOPT
- help
- This provides access to logging features. It allows the output of
- log data to be controlled to a limited extent (setting up the default
- maximum log level for emitting of records). It also provides access
- to a command used for testing the log system.
- config CMD_TRACE
- bool "trace - Support tracing of function calls and timing"
- help
- Enables a command to control using of function tracing within
- U-Boot. This allows recording of call traces including timing
- information. The command can write data to memory for exporting
- for analysis (e.g. using bootchart). See doc/README.trace for full
- details.
- config CMD_AVB
- bool "avb - Android Verified Boot 2.0 operations"
- depends on AVB_VERIFY
- default n
- help
- Enables a "avb" command to perform verification of partitions using
- Android Verified Boot 2.0 functionality. It includes such subcommands:
- avb init - initialize avb2 subsystem
- avb read_rb - read rollback index
- avb write_rb - write rollback index
- avb is_unlocked - check device lock state
- avb get_uuid - read and print uuid of a partition
- avb read_part - read data from partition
- avb read_part_hex - read data from partition and output to stdout
- avb write_part - write data to partition
- avb verify - run full verification chain
- config CMD_STACKPROTECTOR_TEST
- bool "Test command for stack protector"
- depends on STACKPROTECTOR
- help
- Enable stackprot_test command
- The stackprot_test command will force a stack overrun to test
- the stack smashing detection mechanisms.
- endmenu
- config CMD_UBI
- tristate "Enable UBI - Unsorted block images commands"
- select MTD_UBI
- help
- UBI is a software layer above MTD layer which admits use of LVM-like
- logical volumes on top of MTD devices, hides some complexities of
- flash chips like wear and bad blocks and provides some other useful
- capabilities. Please, consult the MTD web site for more details
- (www.linux-mtd.infradead.org). Activate this option if you want
- to use U-Boot UBI commands.
- It is also strongly encouraged to also enable CONFIG_MTD to get full
- partition support.
- config CMD_UBI_RENAME
- bool "Enable rename"
- depends on CMD_UBI
- default n
- help
- Enable a "ubi" command to rename ubi volume:
- ubi rename <oldname> <newname>
- config CMD_UBIFS
- tristate "Enable UBIFS - Unsorted block images filesystem commands"
- depends on CMD_UBI
- default y if CMD_UBI
- select LZO
- help
- UBIFS is a file system for flash devices which works on top of UBI.
- config MMC_SPEED_MODE_SET
- bool "set speed mode using mmc command"
- depends on CMD_MMC
- default n
- help
- Enable setting speed mode using mmc rescan and mmc dev commands.
- The speed mode is provided as the last argument in these commands
- and is indicated using the index from enum bus_mode in
- include/mmc.h. A speed mode can be set only if it has already
- been enabled in the device tree.
- endmenu
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