1 menu "Command line interface"
4 bool "Support U-Boot commands"
7 Enable U-Boot's command-line functions. This provides a means
8 to enter commands into U-Boot for a wide variety of purposes. It
9 also allows scripts (containing commands) to be executed.
10 Various commands and command categorys can be indivdually enabled.
11 Depending on the number of commands enabled, this can add
12 substantially to the size of U-Boot.
18 This option enables the "hush" shell (from Busybox) as command line
19 interpreter, thus enabling powerful command line syntax like
20 if...then...else...fi conditionals or `&&' and '||'
21 constructs ("shell scripts").
23 If disabled, you get the old, much simpler behaviour with a somewhat
24 smaller memory footprint.
30 This string is displayed in the command line to the left of the
33 menu "Autoboot options"
39 This enables the autoboot. See doc/README.autoboot for detail.
42 bool "Stop autobooting via specific input key / string"
45 This option enables stopping (aborting) of the automatic
46 boot feature only by issuing a specific input key or
47 string. If not enabled, any input key will abort the
48 U-Boot automatic booting process and bring the device
49 to the U-Boot prompt for user input.
51 config AUTOBOOT_PROMPT
52 string "Autoboot stop prompt"
53 depends on AUTOBOOT_KEYED
54 default "Autoboot in %d seconds\\n"
56 This string is displayed before the boot delay selected by
57 CONFIG_BOOTDELAY starts. If it is not defined there is no
58 output indicating that autoboot is in progress.
60 Note that this define is used as the (only) argument to a
61 printf() call, so it may contain '%' format specifications,
62 provided that it also includes, sepearated by commas exactly
63 like in a printf statement, the required arguments. It is
64 the responsibility of the user to select only such arguments
65 that are valid in the given context.
67 config AUTOBOOT_ENCRYPTION
68 bool "Enable encryption in autoboot stopping"
69 depends on AUTOBOOT_KEYED
72 config AUTOBOOT_DELAY_STR
73 string "Delay autobooting via specific input key / string"
74 depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION
76 This option delays the automatic boot feature by issuing
77 a specific input key or string. If CONFIG_AUTOBOOT_DELAY_STR
78 or the environment variable "bootdelaykey" is specified
79 and this string is received from console input before
80 autoboot starts booting, U-Boot gives a command prompt. The
81 U-Boot prompt will time out if CONFIG_BOOT_RETRY_TIME is
82 used, otherwise it never times out.
84 config AUTOBOOT_STOP_STR
85 string "Stop autobooting via specific input key / string"
86 depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION
88 This option enables stopping (aborting) of the automatic
89 boot feature only by issuing a specific input key or
90 string. If CONFIG_AUTOBOOT_STOP_STR or the environment
91 variable "bootstopkey" is specified and this string is
92 received from console input before autoboot starts booting,
93 U-Boot gives a command prompt. The U-Boot prompt never
94 times out, even if CONFIG_BOOT_RETRY_TIME is used.
96 config AUTOBOOT_KEYED_CTRLC
97 bool "Enable Ctrl-C autoboot interruption"
98 depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION
101 This option allows for the boot sequence to be interrupted
102 by ctrl-c, in addition to the "bootdelaykey" and "bootstopkey".
103 Setting this variable provides an escape sequence from the
104 limited "password" strings.
106 config AUTOBOOT_STOP_STR_SHA256
107 string "Stop autobooting via SHA256 encrypted password"
108 depends on AUTOBOOT_KEYED && AUTOBOOT_ENCRYPTION
110 This option adds the feature to only stop the autobooting,
111 and therefore boot into the U-Boot prompt, when the input
112 string / password matches a values that is encypted via
113 a SHA256 hash and saved in the environment.
117 source "cmd/fastboot/Kconfig"
133 Print console devices and information.
138 Print information about available CPUs. This normally shows the
139 number of CPUs, type (e.g. manufacturer, architecture, product or
140 internal name) and clock frequency. Other information may be
141 available depending on the CPU driver.
146 Print GPL license text
156 Run the command stored in the environment "bootcmd", i.e.
157 "bootd" does the same thing as "run bootcmd".
163 Boot an application image from the memory.
168 Boot the Linux zImage
175 Boot an AArch64 Linux Kernel image from memory.
179 depends on EFI_LOADER
182 Boot an EFI image from memory.
184 config CMD_BOOTEFI_HELLO_COMPILE
185 bool "Compile a standard EFI hello world binary for testing"
186 depends on CMD_BOOTEFI && (ARM || X86)
189 This compiles a standard EFI hello world application with U-Boot so
190 that it can be used with the test/py testing framework. This is useful
191 for testing that EFI is working at a basic level, and for bringing
192 up EFI support on a new architecture.
194 No additional space will be required in the resulting U-Boot binary
195 when this option is enabled.
197 config CMD_BOOTEFI_HELLO
198 bool "Allow booting a standard EFI hello world for testing"
199 depends on CMD_BOOTEFI_HELLO_COMPILE
201 This adds a standard EFI hello world application to U-Boot so that
202 it can be used with the 'bootefi hello' command. This is useful
203 for testing that EFI is working at a basic level, and for bringing
204 up EFI support on a new architecture.
210 Add an ANSI terminal boot menu command.
213 bool "bootelf, bootvx"
216 Boot an ELF/vxWorks image from the memory.
219 bool "Flattened Device Tree utility commands"
223 Do FDT related setup before booting into the Operating System.
229 Start an application at a given address.
235 Run the command in the given environment variable.
241 Print header information for application image.
247 List all images found in flash
253 Extract a part of a multi-image.
260 menu "Environment commands"
263 bool "ask for env variable"
265 Ask for environment variable
283 Edit environment variable.
288 Allow for searching environment variables
294 Save all environment variables into the compiled-in persistent
297 config CMD_ENV_EXISTS
301 Check if a variable is defined in the environment for use in
306 menu "Memory commands"
309 bool "md, mm, nm, mw, cp, cmp, base, loop"
314 mm - memory modify (auto-incrementing address)
315 nm - memory modify (constant address)
316 mw - memory write (fill)
319 base - print or set address offset
320 loop - initinite loop on address range
331 Infinite write loop on address range
336 Simple RAM read/write test.
341 mdc - memory display cyclic
342 mwc - memory write cyclic
347 Display memory information.
351 menu "Device access commands"
354 bool "dm - Access to driver model information"
358 Provides access to driver model data structures and information,
359 such as a list of devices, list of uclasses and the state of each
360 device (e.g. activated). This is not required for operation, but
361 can be useful to see the state of driver model for debugging or
365 bool "demo - Demonstration commands for driver model"
368 Provides a 'demo' command which can be used to play around with
369 driver model. To use this properly you will need to enable one or
370 both of the demo devices (DM_DEMO_SHAPE and DM_DEMO_SIMPLE).
371 Otherwise you will always get an empty list of devices. The demo
372 devices are defined in the sandbox device tree, so the easiest
373 option is to use sandbox and pass the -d point to sandbox's
380 Load a binary file over serial line.
386 Load an S-Record file over serial line
389 bool "flinfo, erase, protect"
393 flinfo - print FLASH memory information
395 protect - enable or disable FLASH write protection
398 #depends on FLASH_CFI_DRIVER
401 ARM Ltd reference designs flash partition access
406 MMC memory mapped support.
435 select USB_FUNCTION_DFU
437 Enables the command "dfu" which is used to have U-Boot create a DFU
438 class device via USB.
440 config CMD_USB_MASS_STORAGE
441 bool "UMS usb mass storage"
443 USB mass storage support
451 config CMD_REMOTEPROC
453 depends on REMOTEPROC
455 Support for Remote Processor control
465 menu "Shell scripting commands"
477 Return true/false on integer compare.
483 Run script from memory
489 Evaluate boolean and math expressions and store the result in an env
491 Also supports loading the value at a memory location into a variable.
492 If CONFIG_REGEX is enabled, setexpr also supports a gsub function.
496 menu "Network commands"
499 bool "bootp, tftpboot"
504 bootp - boot image via network using BOOTP/TFTP protocol
505 tftpboot - boot image via network using TFTP protocol
510 TFTP put command, for uploading files to a server
515 Act as a TFTP server and boot the first received file
520 Boot image via network using RARP/TFTP protocol
525 Boot image via network using DHCP/TFTP protocol
531 Boot image via network using NFS protocol.
536 Enable MII utility commands.
541 Send ICMP ECHO_REQUEST to network host
546 Perform CDP network configuration
551 Synchronize RTC via network
556 Lookup the IP of a hostname
558 config CMD_LINK_LOCAL
561 Acquire a network IP address using the link-local protocol
572 Lists AMBA Plug-n-Play information.
574 config SYS_AMBAPP_PRINT_ON_STARTUP
575 bool "Show AMBA PnP info on startup"
576 depends on CMD_AMBAPP
579 Show AMBA Plug-n-Play information on startup.
581 config CMD_BKOPS_ENABLE
582 bool "mmc bkops enable"
586 Enable command for setting manual background operations handshake
587 on a eMMC device. The feature is optionally available on eMMC devices
588 conforming to standard >= 4.41.
590 config CMD_BLOCK_CACHE
591 bool "blkcache - control and stats for block cache"
592 depends on BLOCK_CACHE
593 default y if BLOCK_CACHE
595 Enable the blkcache command, which can be used to control the
596 operation of the cache functions.
597 This is most useful when fine-tuning the operation of the cache
598 during development, but also allows the cache to be disabled when
599 it might hurt performance (e.g. when using the ums command).
602 bool "icache or dcache"
604 Enable the "icache" and "dcache" commands
609 Run commands and summarize execution time.
611 # TODO: rename to CMD_SLEEP
616 Delay execution for some time
621 Access the system timer.
624 bool "getdcr, setdcr, getidcr, setidcr"
628 getdcr - Get an AMCC PPC 4xx DCR's value
629 setdcr - Set an AMCC PPC 4xx DCR's value
630 getidcr - Get a register value via indirect DCR addressing
631 setidcr - Set a register value via indirect DCR addressing
637 This provides basic access to the U-Boot's sound support. The main
638 feature is to play a beep.
640 sound init - set up sound system
641 sound play - play a sound
647 This provides access to the QEMU firmware interface. The main
648 feature is to allow easy loading of files passed to qemu-system
649 via -kernel / -initrd
653 bool "Enable the 'bootstage' command"
656 Add a 'bootstage' command which supports printing a report
657 and un/stashing of bootstage data.
659 menu "Power commands"
661 bool "Enable Driver Model PMIC command"
664 This is the pmic command, based on a driver model pmic's API.
665 Command features are unchanged:
666 - list - list pmic devices
667 - pmic dev <id> - show or [set] operating pmic device (NEW)
668 - pmic dump - dump registers
669 - pmic read address - read byte of register at address
670 - pmic write address - write byte to register at address
671 The only one change for this command is 'dev' subcommand.
674 bool "Enable Driver Model REGULATOR command"
675 depends on DM_REGULATOR
677 This command is based on driver model regulator's API.
678 User interface features:
679 - list - list regulator devices
680 - regulator dev <id> - show or [set] operating regulator device
681 - regulator info - print constraints info
682 - regulator status - print operating status
683 - regulator value <val] <-f> - print/[set] voltage value [uV]
684 - regulator current <val> - print/[set] current value [uA]
685 - regulator mode <id> - print/[set] operating mode id
686 - regulator enable - enable the regulator output
687 - regulator disable - disable the regulator output
689 The '-f' (force) option can be used for set the value which exceeds
690 the limits, which are found in device-tree and are kept in regulator's
691 uclass platdata structure.
695 menu "Security commands"
697 bool "Enable the 'tpm' command"
700 This provides a means to talk to a TPM from the command line. A wide
701 range of commands if provided - see 'tpm help' for details. The
702 command requires a suitable TPM on your board and the correct driver
706 bool "Enable the 'tpm test' command"
709 This provides a a series of tests to confirm that the TPM is working
710 correctly. The tests cover initialisation, non-volatile RAM, extend,
711 global lock and checking that timing is within expectations. The
712 tests pass correctly on Infineon TPMs but may need to be adjusted
717 menu "Firmware commands"
719 bool "Enable crosec command"
723 Enable command-line access to the Chrome OS EC (Embedded
724 Controller). This provides the 'crosec' command which has
725 a number of sub-commands for performing EC tasks such as
726 updating its flash, accessing a small saved context area
727 and talking to the I2C bus behind the EC (if there is one).
730 menu "Filesystem commands"
732 bool "ext2 command support"
734 Enables EXT2 FS command
737 bool "ext4 command support"
739 Enables EXT4 FS command
741 config CMD_EXT4_WRITE
743 bool "ext4 write command support"
745 Enables EXT4 FS write command
748 bool "FAT command support"
750 Support for the FAT fs
752 config CMD_FS_GENERIC
753 bool "filesystem commands"
755 Enables filesystem commands (e.g. load, ls) that work for multiple
760 tristate "Enable UBI - Unsorted block images commands"
764 UBI is a software layer above MTD layer which admits use of LVM-like
765 logical volumes on top of MTD devices, hides some complexities of
766 flash chips like wear and bad blocks and provides some other useful
767 capabilities. Please, consult the MTD web site for more details
768 (www.linux-mtd.infradead.org). Activate this option if you want
769 to use U-Boot UBI commands.