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.
207 bool "bootelf, bootvx"
210 Boot an ELF/vxWorks image from the memory.
213 bool "Flattened Device Tree utility commands"
217 Do FDT related setup before booting into the Operating System.
223 Start an application at a given address.
229 Run the command in the given environment variable.
235 Print header information for application image.
241 List all images found in flash
247 Extract a part of a multi-image.
254 menu "Environment commands"
257 bool "ask for env variable"
259 Ask for environment variable
277 Edit environment variable.
282 Allow for searching environment variables
288 Save all environment variables into the compiled-in persistent
291 config CMD_ENV_EXISTS
295 Check if a variable is defined in the environment for use in
300 menu "Memory commands"
303 bool "md, mm, nm, mw, cp, cmp, base, loop"
308 mm - memory modify (auto-incrementing address)
309 nm - memory modify (constant address)
310 mw - memory write (fill)
313 base - print or set address offset
314 loop - initinite loop on address range
325 Infinite write loop on address range
330 Simple RAM read/write test.
335 mdc - memory display cyclic
336 mwc - memory write cyclic
341 Display memory information.
345 menu "Device access commands"
348 bool "dm - Access to driver model information"
352 Provides access to driver model data structures and information,
353 such as a list of devices, list of uclasses and the state of each
354 device (e.g. activated). This is not required for operation, but
355 can be useful to see the state of driver model for debugging or
359 bool "demo - Demonstration commands for driver model"
362 Provides a 'demo' command which can be used to play around with
363 driver model. To use this properly you will need to enable one or
364 both of the demo devices (DM_DEMO_SHAPE and DM_DEMO_SIMPLE).
365 Otherwise you will always get an empty list of devices. The demo
366 devices are defined in the sandbox device tree, so the easiest
367 option is to use sandbox and pass the -d point to sandbox's
374 Load a binary file over serial line.
380 Load an S-Record file over serial line
383 bool "flinfo, erase, protect"
387 flinfo - print FLASH memory information
389 protect - enable or disable FLASH write protection
392 #depends on FLASH_CFI_DRIVER
395 ARM Ltd reference designs flash partition access
400 MMC memory mapped support.
429 select USB_FUNCTION_DFU
431 Enables the command "dfu" which is used to have U-Boot create a DFU
432 class device via USB.
434 config CMD_USB_MASS_STORAGE
435 bool "UMS usb mass storage"
437 USB mass storage support
445 config CMD_REMOTEPROC
447 depends on REMOTEPROC
449 Support for Remote Processor control
459 menu "Shell scripting commands"
471 Return true/false on integer compare.
477 Run script from memory
483 Evaluate boolean and math expressions and store the result in an env
485 Also supports loading the value at a memory location into a variable.
486 If CONFIG_REGEX is enabled, setexpr also supports a gsub function.
490 menu "Network commands"
493 bool "bootp, tftpboot"
498 bootp - boot image via network using BOOTP/TFTP protocol
499 tftpboot - boot image via network using TFTP protocol
504 TFTP put command, for uploading files to a server
509 Act as a TFTP server and boot the first received file
514 Boot image via network using RARP/TFTP protocol
519 Boot image via network using DHCP/TFTP protocol
525 Boot image via network using NFS protocol.
530 Enable MII utility commands.
535 Send ICMP ECHO_REQUEST to network host
540 Perform CDP network configuration
545 Synchronize RTC via network
550 Lookup the IP of a hostname
552 config CMD_LINK_LOCAL
555 Acquire a network IP address using the link-local protocol
566 Lists AMBA Plug-n-Play information.
568 config SYS_AMBAPP_PRINT_ON_STARTUP
569 bool "Show AMBA PnP info on startup"
570 depends on CMD_AMBAPP
573 Show AMBA Plug-n-Play information on startup.
575 config CMD_BKOPS_ENABLE
576 bool "mmc bkops enable"
580 Enable command for setting manual background operations handshake
581 on a eMMC device. The feature is optionally available on eMMC devices
582 conforming to standard >= 4.41.
584 config CMD_BLOCK_CACHE
585 bool "blkcache - control and stats for block cache"
586 depends on BLOCK_CACHE
587 default y if BLOCK_CACHE
589 Enable the blkcache command, which can be used to control the
590 operation of the cache functions.
591 This is most useful when fine-tuning the operation of the cache
592 during development, but also allows the cache to be disabled when
593 it might hurt performance (e.g. when using the ums command).
596 bool "icache or dcache"
598 Enable the "icache" and "dcache" commands
603 Run commands and summarize execution time.
605 # TODO: rename to CMD_SLEEP
610 Delay execution for some time
615 Access the system timer.
618 bool "getdcr, setdcr, getidcr, setidcr"
622 getdcr - Get an AMCC PPC 4xx DCR's value
623 setdcr - Set an AMCC PPC 4xx DCR's value
624 getidcr - Get a register value via indirect DCR addressing
625 setidcr - Set a register value via indirect DCR addressing
631 This provides basic access to the U-Boot's sound support. The main
632 feature is to play a beep.
634 sound init - set up sound system
635 sound play - play a sound
641 This provides access to the QEMU firmware interface. The main
642 feature is to allow easy loading of files passed to qemu-system
643 via -kernel / -initrd
647 bool "Enable the 'bootstage' command"
650 Add a 'bootstage' command which supports printing a report
651 and un/stashing of bootstage data.
653 menu "Power commands"
655 bool "Enable Driver Model PMIC command"
658 This is the pmic command, based on a driver model pmic's API.
659 Command features are unchanged:
660 - list - list pmic devices
661 - pmic dev <id> - show or [set] operating pmic device (NEW)
662 - pmic dump - dump registers
663 - pmic read address - read byte of register at address
664 - pmic write address - write byte to register at address
665 The only one change for this command is 'dev' subcommand.
668 bool "Enable Driver Model REGULATOR command"
669 depends on DM_REGULATOR
671 This command is based on driver model regulator's API.
672 User interface features:
673 - list - list regulator devices
674 - regulator dev <id> - show or [set] operating regulator device
675 - regulator info - print constraints info
676 - regulator status - print operating status
677 - regulator value <val] <-f> - print/[set] voltage value [uV]
678 - regulator current <val> - print/[set] current value [uA]
679 - regulator mode <id> - print/[set] operating mode id
680 - regulator enable - enable the regulator output
681 - regulator disable - disable the regulator output
683 The '-f' (force) option can be used for set the value which exceeds
684 the limits, which are found in device-tree and are kept in regulator's
685 uclass platdata structure.
689 menu "Security commands"
691 bool "Enable the 'tpm' command"
694 This provides a means to talk to a TPM from the command line. A wide
695 range of commands if provided - see 'tpm help' for details. The
696 command requires a suitable TPM on your board and the correct driver
700 bool "Enable the 'tpm test' command"
703 This provides a a series of tests to confirm that the TPM is working
704 correctly. The tests cover initialisation, non-volatile RAM, extend,
705 global lock and checking that timing is within expectations. The
706 tests pass correctly on Infineon TPMs but may need to be adjusted
711 menu "Firmware commands"
713 bool "Enable crosec command"
717 Enable command-line access to the Chrome OS EC (Embedded
718 Controller). This provides the 'crosec' command which has
719 a number of sub-commands for performing EC tasks such as
720 updating its flash, accessing a small saved context area
721 and talking to the I2C bus behind the EC (if there is one).
724 menu "Filesystem commands"
726 bool "ext2 command support"
728 Enables EXT2 FS command
731 bool "ext4 command support"
733 Enables EXT4 FS command
735 config CMD_EXT4_WRITE
737 bool "ext4 write command support"
739 Enables EXT4 FS write command
742 bool "FAT command support"
744 Support for the FAT fs
746 config CMD_FS_GENERIC
747 bool "filesystem commands"
749 Enables filesystem commands (e.g. load, ls) that work for multiple
754 tristate "Enable UBI - Unsorted block images commands"
758 UBI is a software layer above MTD layer which admits use of LVM-like
759 logical volumes on top of MTD devices, hides some complexities of
760 flash chips like wear and bad blocks and provides some other useful
761 capabilities. Please, consult the MTD web site for more details
762 (www.linux-mtd.infradead.org). Activate this option if you want
763 to use U-Boot UBI commands.