172a8cf8dSSimon Glassmenu "Command line interface" 272a8cf8dSSimon Glass 3302a6487SSimon Glassconfig CMDLINE 4302a6487SSimon Glass bool "Support U-Boot commands" 5302a6487SSimon Glass default y 6302a6487SSimon Glass help 7302a6487SSimon Glass Enable U-Boot's command-line functions. This provides a means 8302a6487SSimon Glass to enter commands into U-Boot for a wide variety of purposes. It 9302a6487SSimon Glass also allows scripts (containing commands) to be executed. 10302a6487SSimon Glass Various commands and command categorys can be indivdually enabled. 11302a6487SSimon Glass Depending on the number of commands enabled, this can add 12302a6487SSimon Glass substantially to the size of U-Boot. 13302a6487SSimon Glass 1472a8cf8dSSimon Glassconfig HUSH_PARSER 1572a8cf8dSSimon Glass bool "Use hush shell" 16302a6487SSimon Glass depends on CMDLINE 1772a8cf8dSSimon Glass help 1872a8cf8dSSimon Glass This option enables the "hush" shell (from Busybox) as command line 1972a8cf8dSSimon Glass interpreter, thus enabling powerful command line syntax like 2072a8cf8dSSimon Glass if...then...else...fi conditionals or `&&' and '||' 2172a8cf8dSSimon Glass constructs ("shell scripts"). 2272a8cf8dSSimon Glass 2372a8cf8dSSimon Glass If disabled, you get the old, much simpler behaviour with a somewhat 2472a8cf8dSSimon Glass smaller memory footprint. 2572a8cf8dSSimon Glass 26d021e942SAdam Fordconfig CMDLINE_EDITING 27d021e942SAdam Ford bool "Enable command line editing" 28d021e942SAdam Ford depends on CMDLINE 29d021e942SAdam Ford default y 30d021e942SAdam Ford help 31d021e942SAdam Ford Enable editing and History functions for interactive command line 32d021e942SAdam Ford input operations 33d021e942SAdam Ford 34d021e942SAdam Fordconfig AUTO_COMPLETE 35d021e942SAdam Ford bool "Enable auto complete using TAB" 36d021e942SAdam Ford depends on CMDLINE 37d021e942SAdam Ford default y 38d021e942SAdam Ford help 39d021e942SAdam Ford Enable auto completion of commands using TAB. 40d021e942SAdam Ford 41d021e942SAdam Fordconfig SYS_LONGHELP 42d021e942SAdam Ford bool "Enable long help messages" 43d021e942SAdam Ford depends on CMDLINE 44d021e942SAdam Ford default y if CMDLINE 45d021e942SAdam Ford help 46d021e942SAdam Ford Defined when you want long help messages included 47d021e942SAdam Ford Do not set this option when short of memory. 48d021e942SAdam Ford 4972a8cf8dSSimon Glassconfig SYS_PROMPT 5072a8cf8dSSimon Glass string "Shell prompt" 5172a8cf8dSSimon Glass default "=> " 5272a8cf8dSSimon Glass help 5372a8cf8dSSimon Glass This string is displayed in the command line to the left of the 5472a8cf8dSSimon Glass cursor. 5572a8cf8dSSimon Glass 5672a8cf8dSSimon Glassmenu "Autoboot options" 5772a8cf8dSSimon Glass 5841598c82SMasahiro Yamadaconfig AUTOBOOT 5941598c82SMasahiro Yamada bool "Autoboot" 6041598c82SMasahiro Yamada default y 6141598c82SMasahiro Yamada help 6241598c82SMasahiro Yamada This enables the autoboot. See doc/README.autoboot for detail. 6341598c82SMasahiro Yamada 6472a8cf8dSSimon Glassconfig AUTOBOOT_KEYED 6572a8cf8dSSimon Glass bool "Stop autobooting via specific input key / string" 6672a8cf8dSSimon Glass default n 6772a8cf8dSSimon Glass help 6872a8cf8dSSimon Glass This option enables stopping (aborting) of the automatic 6972a8cf8dSSimon Glass boot feature only by issuing a specific input key or 7072a8cf8dSSimon Glass string. If not enabled, any input key will abort the 7172a8cf8dSSimon Glass U-Boot automatic booting process and bring the device 7272a8cf8dSSimon Glass to the U-Boot prompt for user input. 7372a8cf8dSSimon Glass 7472a8cf8dSSimon Glassconfig AUTOBOOT_PROMPT 7572a8cf8dSSimon Glass string "Autoboot stop prompt" 7672a8cf8dSSimon Glass depends on AUTOBOOT_KEYED 7772a8cf8dSSimon Glass default "Autoboot in %d seconds\\n" 7872a8cf8dSSimon Glass help 7972a8cf8dSSimon Glass This string is displayed before the boot delay selected by 8072a8cf8dSSimon Glass CONFIG_BOOTDELAY starts. If it is not defined there is no 8172a8cf8dSSimon Glass output indicating that autoboot is in progress. 8272a8cf8dSSimon Glass 8372a8cf8dSSimon Glass Note that this define is used as the (only) argument to a 8472a8cf8dSSimon Glass printf() call, so it may contain '%' format specifications, 8572a8cf8dSSimon Glass provided that it also includes, sepearated by commas exactly 8672a8cf8dSSimon Glass like in a printf statement, the required arguments. It is 8772a8cf8dSSimon Glass the responsibility of the user to select only such arguments 8872a8cf8dSSimon Glass that are valid in the given context. 8972a8cf8dSSimon Glass 9072a8cf8dSSimon Glassconfig AUTOBOOT_ENCRYPTION 9172a8cf8dSSimon Glass bool "Enable encryption in autoboot stopping" 9272a8cf8dSSimon Glass depends on AUTOBOOT_KEYED 9372a8cf8dSSimon Glass default n 9472a8cf8dSSimon Glass 9572a8cf8dSSimon Glassconfig AUTOBOOT_DELAY_STR 9672a8cf8dSSimon Glass string "Delay autobooting via specific input key / string" 9772a8cf8dSSimon Glass depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION 9872a8cf8dSSimon Glass help 9972a8cf8dSSimon Glass This option delays the automatic boot feature by issuing 10072a8cf8dSSimon Glass a specific input key or string. If CONFIG_AUTOBOOT_DELAY_STR 10172a8cf8dSSimon Glass or the environment variable "bootdelaykey" is specified 10272a8cf8dSSimon Glass and this string is received from console input before 10372a8cf8dSSimon Glass autoboot starts booting, U-Boot gives a command prompt. The 10472a8cf8dSSimon Glass U-Boot prompt will time out if CONFIG_BOOT_RETRY_TIME is 10572a8cf8dSSimon Glass used, otherwise it never times out. 10672a8cf8dSSimon Glass 10772a8cf8dSSimon Glassconfig AUTOBOOT_STOP_STR 10872a8cf8dSSimon Glass string "Stop autobooting via specific input key / string" 10972a8cf8dSSimon Glass depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION 11072a8cf8dSSimon Glass help 11172a8cf8dSSimon Glass This option enables stopping (aborting) of the automatic 11272a8cf8dSSimon Glass boot feature only by issuing a specific input key or 11372a8cf8dSSimon Glass string. If CONFIG_AUTOBOOT_STOP_STR or the environment 11472a8cf8dSSimon Glass variable "bootstopkey" is specified and this string is 11572a8cf8dSSimon Glass received from console input before autoboot starts booting, 11672a8cf8dSSimon Glass U-Boot gives a command prompt. The U-Boot prompt never 11772a8cf8dSSimon Glass times out, even if CONFIG_BOOT_RETRY_TIME is used. 11872a8cf8dSSimon Glass 11972a8cf8dSSimon Glassconfig AUTOBOOT_KEYED_CTRLC 12072a8cf8dSSimon Glass bool "Enable Ctrl-C autoboot interruption" 12172a8cf8dSSimon Glass depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION 12272a8cf8dSSimon Glass default n 12372a8cf8dSSimon Glass help 12472a8cf8dSSimon Glass This option allows for the boot sequence to be interrupted 12572a8cf8dSSimon Glass by ctrl-c, in addition to the "bootdelaykey" and "bootstopkey". 12672a8cf8dSSimon Glass Setting this variable provides an escape sequence from the 12772a8cf8dSSimon Glass limited "password" strings. 12872a8cf8dSSimon Glass 12972a8cf8dSSimon Glassconfig AUTOBOOT_STOP_STR_SHA256 13072a8cf8dSSimon Glass string "Stop autobooting via SHA256 encrypted password" 13172a8cf8dSSimon Glass depends on AUTOBOOT_KEYED && AUTOBOOT_ENCRYPTION 13272a8cf8dSSimon Glass help 13372a8cf8dSSimon Glass This option adds the feature to only stop the autobooting, 13472a8cf8dSSimon Glass and therefore boot into the U-Boot prompt, when the input 13572a8cf8dSSimon Glass string / password matches a values that is encypted via 13672a8cf8dSSimon Glass a SHA256 hash and saved in the environment. 13772a8cf8dSSimon Glass 13872a8cf8dSSimon Glassendmenu 13972a8cf8dSSimon Glass 140610eec7fSSam Protsenkoconfig BUILD_BIN2C 141610eec7fSSam Protsenko bool 142610eec7fSSam Protsenko 14372a8cf8dSSimon Glasscomment "Commands" 14472a8cf8dSSimon Glass 14572a8cf8dSSimon Glassmenu "Info commands" 14672a8cf8dSSimon Glass 14772a8cf8dSSimon Glassconfig CMD_BDI 14872a8cf8dSSimon Glass bool "bdinfo" 14972a8cf8dSSimon Glass default y 15072a8cf8dSSimon Glass help 15172a8cf8dSSimon Glass Print board info 15272a8cf8dSSimon Glass 15361304dbeSMasahiro Yamadaconfig CMD_CONFIG 15461304dbeSMasahiro Yamada bool "config" 15561304dbeSMasahiro Yamada default SANDBOX 1565ed063d1SMichal Simek select BUILD_BIN2C 15761304dbeSMasahiro Yamada help 15861304dbeSMasahiro Yamada Print ".config" contents. 15961304dbeSMasahiro Yamada 16061304dbeSMasahiro Yamada If this option is enabled, the ".config" file contents are embedded 16161304dbeSMasahiro Yamada in the U-Boot image and can be printed on the console by the "config" 16261304dbeSMasahiro Yamada command. This provides information of which options are enabled on 16361304dbeSMasahiro Yamada the running U-Boot. 16461304dbeSMasahiro Yamada 16572a8cf8dSSimon Glassconfig CMD_CONSOLE 16672a8cf8dSSimon Glass bool "coninfo" 16772a8cf8dSSimon Glass default y 16872a8cf8dSSimon Glass help 16972a8cf8dSSimon Glass Print console devices and information. 17072a8cf8dSSimon Glass 17172a8cf8dSSimon Glassconfig CMD_CPU 17272a8cf8dSSimon Glass bool "cpu" 17372a8cf8dSSimon Glass help 17472a8cf8dSSimon Glass Print information about available CPUs. This normally shows the 17572a8cf8dSSimon Glass number of CPUs, type (e.g. manufacturer, architecture, product or 17672a8cf8dSSimon Glass internal name) and clock frequency. Other information may be 17772a8cf8dSSimon Glass available depending on the CPU driver. 17872a8cf8dSSimon Glass 17972a8cf8dSSimon Glassconfig CMD_LICENSE 18072a8cf8dSSimon Glass bool "license" 181d726f225SMasahiro Yamada select BUILD_BIN2C 18272a8cf8dSSimon Glass help 18372a8cf8dSSimon Glass Print GPL license text 18472a8cf8dSSimon Glass 185fa379223SChristophe Leroyconfig CMD_REGINFO 186fa379223SChristophe Leroy bool "reginfo" 187fa379223SChristophe Leroy depends on PPC 188fa379223SChristophe Leroy help 189fa379223SChristophe Leroy Register dump 190fa379223SChristophe Leroy 19172a8cf8dSSimon Glassendmenu 19272a8cf8dSSimon Glass 19372a8cf8dSSimon Glassmenu "Boot commands" 19472a8cf8dSSimon Glass 19572a8cf8dSSimon Glassconfig CMD_BOOTD 19672a8cf8dSSimon Glass bool "bootd" 19772a8cf8dSSimon Glass default y 19872a8cf8dSSimon Glass help 19972a8cf8dSSimon Glass Run the command stored in the environment "bootcmd", i.e. 20072a8cf8dSSimon Glass "bootd" does the same thing as "run bootcmd". 20172a8cf8dSSimon Glass 20272a8cf8dSSimon Glassconfig CMD_BOOTM 20372a8cf8dSSimon Glass bool "bootm" 20472a8cf8dSSimon Glass default y 20572a8cf8dSSimon Glass help 20672a8cf8dSSimon Glass Boot an application image from the memory. 20772a8cf8dSSimon Glass 208ab8243e4SDinh Nguyenconfig CMD_BOOTZ 209ab8243e4SDinh Nguyen bool "bootz" 210ab8243e4SDinh Nguyen help 211ab8243e4SDinh Nguyen Boot the Linux zImage 212ab8243e4SDinh Nguyen 21326959271SMasahiro Yamadaconfig CMD_BOOTI 21426959271SMasahiro Yamada bool "booti" 21526959271SMasahiro Yamada depends on ARM64 21626959271SMasahiro Yamada default y 21726959271SMasahiro Yamada help 21826959271SMasahiro Yamada Boot an AArch64 Linux Kernel image from memory. 21926959271SMasahiro Yamada 220b9939336SAlexander Grafconfig CMD_BOOTEFI 221b9939336SAlexander Graf bool "bootefi" 222b9939336SAlexander Graf depends on EFI_LOADER 223b9939336SAlexander Graf default y 224b9939336SAlexander Graf help 225b9939336SAlexander Graf Boot an EFI image from memory. 226b9939336SAlexander Graf 22795b62b2eSAlexander Grafconfig CMD_BOOTEFI_HELLO_COMPILE 22895b62b2eSAlexander Graf bool "Compile a standard EFI hello world binary for testing" 2290ea8741fSHeinrich Schuchardt depends on CMD_BOOTEFI && !CPU_V7M && !SANDBOX 23095b62b2eSAlexander Graf default y 23195b62b2eSAlexander Graf help 23295b62b2eSAlexander Graf This compiles a standard EFI hello world application with U-Boot so 23395b62b2eSAlexander Graf that it can be used with the test/py testing framework. This is useful 23495b62b2eSAlexander Graf for testing that EFI is working at a basic level, and for bringing 23595b62b2eSAlexander Graf up EFI support on a new architecture. 23695b62b2eSAlexander Graf 23795b62b2eSAlexander Graf No additional space will be required in the resulting U-Boot binary 23895b62b2eSAlexander Graf when this option is enabled. 23995b62b2eSAlexander Graf 240c7ae3dfdSSimon Glassconfig CMD_BOOTEFI_HELLO 241c7ae3dfdSSimon Glass bool "Allow booting a standard EFI hello world for testing" 24295b62b2eSAlexander Graf depends on CMD_BOOTEFI_HELLO_COMPILE 243c7ae3dfdSSimon Glass help 244c7ae3dfdSSimon Glass This adds a standard EFI hello world application to U-Boot so that 245c7ae3dfdSSimon Glass it can be used with the 'bootefi hello' command. This is useful 246c7ae3dfdSSimon Glass for testing that EFI is working at a basic level, and for bringing 247c7ae3dfdSSimon Glass up EFI support on a new architecture. 248c7ae3dfdSSimon Glass 249623b3a57SHeinrich Schuchardtsource lib/efi_selftest/Kconfig 250623b3a57SHeinrich Schuchardt 2514880b026STom Riniconfig CMD_BOOTMENU 2524880b026STom Rini bool "bootmenu" 2534880b026STom Rini select MENU 2544880b026STom Rini help 2554880b026STom Rini Add an ANSI terminal boot menu command. 2564880b026STom Rini 257d03e76afSSam Protsenkoconfig CMD_DTIMG 258d03e76afSSam Protsenko bool "dtimg" 259d03e76afSSam Protsenko help 260d03e76afSSam Protsenko Android DTB/DTBO image manipulation commands. Read dtb/dtbo files from 261d03e76afSSam Protsenko image into RAM, dump image structure information, etc. Those dtb/dtbo 262d03e76afSSam Protsenko files should be merged in one dtb further, which needs to be passed to 263d03e76afSSam Protsenko the kernel, as part of a boot process. 264d03e76afSSam Protsenko 26572a8cf8dSSimon Glassconfig CMD_ELF 26672a8cf8dSSimon Glass bool "bootelf, bootvx" 26772a8cf8dSSimon Glass default y 26872a8cf8dSSimon Glass help 26972a8cf8dSSimon Glass Boot an ELF/vxWorks image from the memory. 27072a8cf8dSSimon Glass 27123922e26SMichal Simekconfig CMD_FDT 27223922e26SMichal Simek bool "Flattened Device Tree utility commands" 27323922e26SMichal Simek default y 27423922e26SMichal Simek depends on OF_LIBFDT 27523922e26SMichal Simek help 27623922e26SMichal Simek Do FDT related setup before booting into the Operating System. 27723922e26SMichal Simek 27872a8cf8dSSimon Glassconfig CMD_GO 27972a8cf8dSSimon Glass bool "go" 28072a8cf8dSSimon Glass default y 28172a8cf8dSSimon Glass help 28272a8cf8dSSimon Glass Start an application at a given address. 28372a8cf8dSSimon Glass 28472a8cf8dSSimon Glassconfig CMD_RUN 28572a8cf8dSSimon Glass bool "run" 28672a8cf8dSSimon Glass default y 28772a8cf8dSSimon Glass help 28872a8cf8dSSimon Glass Run the command in the given environment variable. 28972a8cf8dSSimon Glass 29072a8cf8dSSimon Glassconfig CMD_IMI 29172a8cf8dSSimon Glass bool "iminfo" 29272a8cf8dSSimon Glass default y 29372a8cf8dSSimon Glass help 29472a8cf8dSSimon Glass Print header information for application image. 29572a8cf8dSSimon Glass 29672a8cf8dSSimon Glassconfig CMD_IMLS 29772a8cf8dSSimon Glass bool "imls" 29872a8cf8dSSimon Glass help 29972a8cf8dSSimon Glass List all images found in flash 30072a8cf8dSSimon Glass 30172a8cf8dSSimon Glassconfig CMD_XIMG 30272a8cf8dSSimon Glass bool "imxtract" 30372a8cf8dSSimon Glass default y 30472a8cf8dSSimon Glass help 30572a8cf8dSSimon Glass Extract a part of a multi-image. 30672a8cf8dSSimon Glass 30772c3033fSSimon Glassconfig CMD_SPL 30872c3033fSSimon Glass bool "spl export - Export boot information for Falcon boot" 30972c3033fSSimon Glass depends on SPL 31072c3033fSSimon Glass help 31172c3033fSSimon Glass Falcon mode allows booting directly from SPL into an Operating 31272c3033fSSimon Glass System such as Linux, thus skipping U-Boot proper. See 31372c3033fSSimon Glass doc/README.falcon for full information about how to use this 31472c3033fSSimon Glass command. 31572c3033fSSimon Glass 316203dc1b3SSimon Glassconfig CMD_SPL_NAND_OFS 317203dc1b3SSimon Glass hex "Offset of OS command line args for Falcon-mode NAND boot" 318203dc1b3SSimon Glass depends on CMD_SPL 319203dc1b3SSimon Glass default 0 320203dc1b3SSimon Glass help 321203dc1b3SSimon Glass This provides the offset of the command line arguments for Linux 322203dc1b3SSimon Glass when booting from NAND in Falcon mode. See doc/README.falcon 323203dc1b3SSimon Glass for full information about how to use this option (and also see 324203dc1b3SSimon Glass board/gateworks/gw_ventana/README for an example). 325203dc1b3SSimon Glass 3263a91a253SSimon Glassconfig CMD_SPL_WRITE_SIZE 3273a91a253SSimon Glass hex "Size of argument area" 3283a91a253SSimon Glass depends on CMD_SPL 3293a91a253SSimon Glass default 0x2000 3303a91a253SSimon Glass help 3313a91a253SSimon Glass This provides the size of the command-line argument area in NAND 3323a91a253SSimon Glass flash used by Falcon-mode boot. See the documentation until CMD_SPL 3333a91a253SSimon Glass for detail. 3343a91a253SSimon Glass 335ac08432aSMarek Vasutconfig CMD_FITUPD 336ac08432aSMarek Vasut bool "fitImage update command" 337ac08432aSMarek Vasut help 338ac08432aSMarek Vasut Implements the 'fitupd' command, which allows to automatically 339ac08432aSMarek Vasut store software updates present on a TFTP server in NOR Flash 340ac08432aSMarek Vasut 3419b92a8d7SSimon Glassconfig CMD_THOR_DOWNLOAD 3429b92a8d7SSimon Glass bool "thor - TIZEN 'thor' download" 3439b92a8d7SSimon Glass help 3449b92a8d7SSimon Glass Implements the 'thor' download protocol. This is a way of 3459b92a8d7SSimon Glass downloading a software update over USB from an attached host. 3469b92a8d7SSimon Glass There is no documentation about this within the U-Boot source code 3479b92a8d7SSimon Glass but you should be able to find something on the interwebs. 3489b92a8d7SSimon Glass 349e7a815f3SSimon Glassconfig CMD_ZBOOT 350e7a815f3SSimon Glass bool "zboot - x86 boot command" 351e7a815f3SSimon Glass help 352e7a815f3SSimon Glass With x86 machines it is common to boot a bzImage file which 353e7a815f3SSimon Glass contains both a kernel and a setup.bin file. The latter includes 354e7a815f3SSimon Glass configuration information from the dark ages which x86 boards still 355e7a815f3SSimon Glass need to pick things out of. 356e7a815f3SSimon Glass 357e7a815f3SSimon Glass Consider using FIT in preference to this since it supports directly 358e7a815f3SSimon Glass booting both 32- and 64-bit kernels, as well as secure boot. 359e7a815f3SSimon Glass Documentation is available in doc/uImage.FIT/x86-fit-boot.txt 360e7a815f3SSimon Glass 36172a8cf8dSSimon Glassendmenu 36272a8cf8dSSimon Glass 36372a8cf8dSSimon Glassmenu "Environment commands" 36472a8cf8dSSimon Glass 365ab8243e4SDinh Nguyenconfig CMD_ASKENV 366ab8243e4SDinh Nguyen bool "ask for env variable" 367ab8243e4SDinh Nguyen help 368ab8243e4SDinh Nguyen Ask for environment variable 369ab8243e4SDinh Nguyen 37072a8cf8dSSimon Glassconfig CMD_EXPORTENV 37172a8cf8dSSimon Glass bool "env export" 37272a8cf8dSSimon Glass default y 37372a8cf8dSSimon Glass help 37472a8cf8dSSimon Glass Export environments. 37572a8cf8dSSimon Glass 37672a8cf8dSSimon Glassconfig CMD_IMPORTENV 37772a8cf8dSSimon Glass bool "env import" 37872a8cf8dSSimon Glass default y 37972a8cf8dSSimon Glass help 38072a8cf8dSSimon Glass Import environments. 38172a8cf8dSSimon Glass 38272a8cf8dSSimon Glassconfig CMD_EDITENV 38372a8cf8dSSimon Glass bool "editenv" 38472a8cf8dSSimon Glass default y 38572a8cf8dSSimon Glass help 38672a8cf8dSSimon Glass Edit environment variable. 38772a8cf8dSSimon Glass 388ab8243e4SDinh Nguyenconfig CMD_GREPENV 389ab8243e4SDinh Nguyen bool "search env" 390ab8243e4SDinh Nguyen help 391ab8243e4SDinh Nguyen Allow for searching environment variables 392ab8243e4SDinh Nguyen 39372a8cf8dSSimon Glassconfig CMD_SAVEENV 39472a8cf8dSSimon Glass bool "saveenv" 39572a8cf8dSSimon Glass default y 39672a8cf8dSSimon Glass help 39772a8cf8dSSimon Glass Save all environment variables into the compiled-in persistent 39872a8cf8dSSimon Glass storage. 39972a8cf8dSSimon Glass 40072a8cf8dSSimon Glassconfig CMD_ENV_EXISTS 40172a8cf8dSSimon Glass bool "env exists" 40272a8cf8dSSimon Glass default y 40372a8cf8dSSimon Glass help 40472a8cf8dSSimon Glass Check if a variable is defined in the environment for use in 40572a8cf8dSSimon Glass shell scripting. 40672a8cf8dSSimon Glass 407a55d29d2SSimon Glassconfig CMD_ENV_CALLBACK 408a55d29d2SSimon Glass bool "env callbacks - print callbacks and their associated variables" 409a55d29d2SSimon Glass help 410a55d29d2SSimon Glass Some environment variable have callbacks defined by 411a55d29d2SSimon Glass U_BOOT_ENV_CALLBACK. These are called when the variable changes. 412a55d29d2SSimon Glass For example changing "baudrate" adjust the serial baud rate. This 413a55d29d2SSimon Glass command lists the currently defined callbacks. 414a55d29d2SSimon Glass 415ffc76589SSimon Glassconfig CMD_ENV_FLAGS 416ffc76589SSimon Glass bool "env flags -print variables that have non-default flags" 417ffc76589SSimon Glass help 418ffc76589SSimon Glass Some environment variables have special flags that control their 419ffc76589SSimon Glass behaviour. For example, serial# can only be written once and cannot 420ffc76589SSimon Glass be deleted. This command shows the variables that have special 421ffc76589SSimon Glass flags. 422ffc76589SSimon Glass 42349d81fdfSAKASHI Takahiroconfig CMD_NVEDIT_EFI 42449d81fdfSAKASHI Takahiro bool "env [set|print] -e - set/print UEFI variables" 42549d81fdfSAKASHI Takahiro depends on EFI_LOADER 42649d81fdfSAKASHI Takahiro default y 42749d81fdfSAKASHI Takahiro imply HEXDUMP 42849d81fdfSAKASHI Takahiro help 42949d81fdfSAKASHI Takahiro UEFI variables are encoded as some form of U-Boot variables. 43049d81fdfSAKASHI Takahiro If enabled, we are allowed to set/print UEFI variables using 43149d81fdfSAKASHI Takahiro "env" command with "-e" option without knowing details. 43249d81fdfSAKASHI Takahiro 43372a8cf8dSSimon Glassendmenu 43472a8cf8dSSimon Glass 43572a8cf8dSSimon Glassmenu "Memory commands" 43672a8cf8dSSimon Glass 43755b25561SMario Sixconfig CMD_BINOP 43855b25561SMario Six bool "binop" 43955b25561SMario Six help 44055b25561SMario Six Compute binary operations (xor, or, and) of byte arrays of arbitrary 44155b25561SMario Six size from memory and store the result in memory or the environment. 44255b25561SMario Six 44372a8cf8dSSimon Glassconfig CMD_CRC32 44472a8cf8dSSimon Glass bool "crc32" 44572a8cf8dSSimon Glass default y 4465ed063d1SMichal Simek select HASH 44772a8cf8dSSimon Glass help 44872a8cf8dSSimon Glass Compute CRC32. 44972a8cf8dSSimon Glass 450221a949eSDaniel Thompsonconfig CRC32_VERIFY 451221a949eSDaniel Thompson bool "crc32 -v" 452221a949eSDaniel Thompson depends on CMD_CRC32 453221a949eSDaniel Thompson help 454221a949eSDaniel Thompson Add -v option to verify data against a crc32 checksum. 455221a949eSDaniel Thompson 456a1dc980dSSimon Glassconfig CMD_EEPROM 457a1dc980dSSimon Glass bool "eeprom - EEPROM subsystem" 45865a97e7fSJean-Jacques Hiblot depends on !DM_I2C || DM_I2C_COMPAT 459a1dc980dSSimon Glass help 460a1dc980dSSimon Glass (deprecated, needs conversion to driver model) 461a1dc980dSSimon Glass Provides commands to read and write EEPROM (Electrically Erasable 462a1dc980dSSimon Glass Programmable Read Only Memory) chips that are connected over an 463a1dc980dSSimon Glass I2C bus. 464a1dc980dSSimon Glass 465a1dc980dSSimon Glassconfig CMD_EEPROM_LAYOUT 466a1dc980dSSimon Glass bool "Enable layout-aware eeprom commands" 467a1dc980dSSimon Glass depends on CMD_EEPROM 468a1dc980dSSimon Glass help 469a1dc980dSSimon Glass (deprecated, needs conversion to driver model) 470a1dc980dSSimon Glass When enabled, additional eeprom sub-commands become available. 471a1dc980dSSimon Glass 472a1dc980dSSimon Glass eeprom print - prints the contents of the eeprom in a human-readable 473a1dc980dSSimon Glass way (eeprom layout fields, and data formatted to be fit for human 474a1dc980dSSimon Glass consumption). 475a1dc980dSSimon Glass 476a1dc980dSSimon Glass eeprom update - allows user to update eeprom fields by specifying 477a1dc980dSSimon Glass the field name, and providing the new data in a human readable format 478a1dc980dSSimon Glass (same format as displayed by the eeprom print command). 479a1dc980dSSimon Glass 480a1dc980dSSimon Glass Both commands can either auto detect the layout, or be told which 481a1dc980dSSimon Glass layout to use. 482a1dc980dSSimon Glass 483a1dc980dSSimon Glass Feature API: 484a1dc980dSSimon Glass __weak int parse_layout_version(char *str) 485a1dc980dSSimon Glass - override to provide your own layout name parsing 486a1dc980dSSimon Glass __weak void __eeprom_layout_assign(struct eeprom_layout *layout, 487a1dc980dSSimon Glass int layout_version); 488a1dc980dSSimon Glass - override to setup the layout metadata based on the version 489a1dc980dSSimon Glass __weak int eeprom_layout_detect(unsigned char *data) 490a1dc980dSSimon Glass - override to provide your own algorithm for detecting layout 491a1dc980dSSimon Glass version 492a1dc980dSSimon Glass eeprom_field.c 493a1dc980dSSimon Glass - contains various printing and updating functions for common 494a1dc980dSSimon Glass types of eeprom fields. Can be used for defining 495a1dc980dSSimon Glass custom layouts. 496a1dc980dSSimon Glass 497a1dc980dSSimon Glassconfig EEPROM_LAYOUT_HELP_STRING 498a1dc980dSSimon Glass string "Tells user what layout names are supported" 499a1dc980dSSimon Glass depends on CMD_EEPROM_LAYOUT 500a1dc980dSSimon Glass default "<not defined>" 501a1dc980dSSimon Glass help 502a1dc980dSSimon Glass Help printed with the LAYOUT VERSIONS part of the 'eeprom' 503a1dc980dSSimon Glass command's help. 504a1dc980dSSimon Glass 505ba71be54SSimon Glassconfig LOOPW 506ba71be54SSimon Glass bool "loopw" 507ba71be54SSimon Glass help 508ba71be54SSimon Glass Infinite write loop on address range 509ba71be54SSimon Glass 510bea79d7dSAndre Przywaraconfig CMD_MD5SUM 511bea79d7dSAndre Przywara bool "md5sum" 512bea79d7dSAndre Przywara default n 513bea79d7dSAndre Przywara select MD5 514bea79d7dSAndre Przywara help 515bea79d7dSAndre Przywara Compute MD5 checksum. 516bea79d7dSAndre Przywara 517221a949eSDaniel Thompsonconfig MD5SUM_VERIFY 518bea79d7dSAndre Przywara bool "md5sum -v" 519bea79d7dSAndre Przywara default n 520bea79d7dSAndre Przywara depends on CMD_MD5SUM 521bea79d7dSAndre Przywara help 522bea79d7dSAndre Przywara Add -v option to verify data against an MD5 checksum. 523bea79d7dSAndre Przywara 524ba71be54SSimon Glassconfig CMD_MEMINFO 525ba71be54SSimon Glass bool "meminfo" 526221a949eSDaniel Thompson help 527ba71be54SSimon Glass Display memory information. 528221a949eSDaniel Thompson 529ba71be54SSimon Glassconfig CMD_MEMORY 530ba71be54SSimon Glass bool "md, mm, nm, mw, cp, cmp, base, loop" 531ba71be54SSimon Glass default y 532221a949eSDaniel Thompson help 533ba71be54SSimon Glass Memory commands. 534ba71be54SSimon Glass md - memory display 535ba71be54SSimon Glass mm - memory modify (auto-incrementing address) 536ba71be54SSimon Glass nm - memory modify (constant address) 537ba71be54SSimon Glass mw - memory write (fill) 538ba71be54SSimon Glass cp - memory copy 539ba71be54SSimon Glass cmp - memory compare 540ba71be54SSimon Glass base - print or set address offset 541ba71be54SSimon Glass loop - initialize loop on address range 54272a8cf8dSSimon Glass 54372a8cf8dSSimon Glassconfig CMD_MEMTEST 54472a8cf8dSSimon Glass bool "memtest" 54572a8cf8dSSimon Glass help 54672a8cf8dSSimon Glass Simple RAM read/write test. 54772a8cf8dSSimon Glass 548e89f8aaeSMario Sixif CMD_MEMTEST 549e89f8aaeSMario Six 550e89f8aaeSMario Sixconfig SYS_ALT_MEMTEST 551e89f8aaeSMario Six bool "Alternative test" 552e89f8aaeSMario Six help 553e89f8aaeSMario Six Use a more complete alternative memory test. 554e89f8aaeSMario Six 555e89f8aaeSMario Sixendif 556e89f8aaeSMario Six 55772a8cf8dSSimon Glassconfig CMD_MX_CYCLIC 55872a8cf8dSSimon Glass bool "mdc, mwc" 55972a8cf8dSSimon Glass help 56072a8cf8dSSimon Glass mdc - memory display cyclic 56172a8cf8dSSimon Glass mwc - memory write cyclic 56272a8cf8dSSimon Glass 563ba71be54SSimon Glassconfig CMD_SHA1SUM 564ba71be54SSimon Glass bool "sha1sum" 565ba71be54SSimon Glass select SHA1 56672a8cf8dSSimon Glass help 567ba71be54SSimon Glass Compute SHA1 checksum. 568ba71be54SSimon Glass 569ba71be54SSimon Glassconfig SHA1SUM_VERIFY 570ba71be54SSimon Glass bool "sha1sum -v" 571ba71be54SSimon Glass depends on CMD_SHA1SUM 572ba71be54SSimon Glass help 573ba71be54SSimon Glass Add -v option to verify data against a SHA1 checksum. 57472a8cf8dSSimon Glass 57500805d7aSSimon Glassconfig CMD_STRINGS 57600805d7aSSimon Glass bool "strings - display strings in memory" 57700805d7aSSimon Glass help 57800805d7aSSimon Glass This works similarly to the Unix 'strings' command except that it 57900805d7aSSimon Glass works with a memory range. String of printable characters found 58000805d7aSSimon Glass within the range are displayed. The minimum number of characters 58100805d7aSSimon Glass for a sequence to be considered a string can be provided. 58200805d7aSSimon Glass 583ee7c0e71SSimon Glassendmenu 584ee7c0e71SSimon Glass 585ee7c0e71SSimon Glassmenu "Compression commands" 586ee7c0e71SSimon Glass 587ee7c0e71SSimon Glassconfig CMD_LZMADEC 588ee7c0e71SSimon Glass bool "lzmadec" 58999e46dfcSTom Rini default y if CMD_BOOTI 590ee7c0e71SSimon Glass select LZMA 591ee7c0e71SSimon Glass help 592ee7c0e71SSimon Glass Support decompressing an LZMA (Lempel-Ziv-Markov chain algorithm) 593ee7c0e71SSimon Glass image from memory. 594ee7c0e71SSimon Glass 595e9d33e73SMasahiro Yamadaconfig CMD_UNZIP 596e9d33e73SMasahiro Yamada bool "unzip" 59799e46dfcSTom Rini default y if CMD_BOOTI 598e9d33e73SMasahiro Yamada help 599e9d33e73SMasahiro Yamada Uncompress a zip-compressed memory region. 600e9d33e73SMasahiro Yamada 601e9d33e73SMasahiro Yamadaconfig CMD_ZIP 602e9d33e73SMasahiro Yamada bool "zip" 603e9d33e73SMasahiro Yamada help 604e9d33e73SMasahiro Yamada Compress a memory region with zlib deflate method. 605e9d33e73SMasahiro Yamada 60672a8cf8dSSimon Glassendmenu 60772a8cf8dSSimon Glass 60872a8cf8dSSimon Glassmenu "Device access commands" 60972a8cf8dSSimon Glass 6100c19b4d1SSimon Glassconfig CMD_ARMFLASH 6110c19b4d1SSimon Glass #depends on FLASH_CFI_DRIVER 6120c19b4d1SSimon Glass bool "armflash" 6130c19b4d1SSimon Glass help 6140c19b4d1SSimon Glass ARM Ltd reference designs flash partition access 6150c19b4d1SSimon Glass 616051ebe32SNeil Armstrongconfig CMD_ADC 617051ebe32SNeil Armstrong bool "adc - Access Analog to Digital Converters info and data" 618051ebe32SNeil Armstrong select ADC 619051ebe32SNeil Armstrong select DM_REGULATOR 620051ebe32SNeil Armstrong help 621051ebe32SNeil Armstrong Shows ADC device info and permit printing one-shot analog converted 622051ebe32SNeil Armstrong data from a named Analog to Digital Converter. 623051ebe32SNeil Armstrong 62449c752c9SJean-Jacques Hiblotconfig CMD_BIND 62549c752c9SJean-Jacques Hiblot bool "bind/unbind - Bind or unbind a device to/from a driver" 62649c752c9SJean-Jacques Hiblot depends on DM 62749c752c9SJean-Jacques Hiblot help 62849c752c9SJean-Jacques Hiblot Bind or unbind a device to/from a driver from the command line. 62949c752c9SJean-Jacques Hiblot This is useful in situations where a device may be handled by several 63049c752c9SJean-Jacques Hiblot drivers. For example, this can be used to bind a UDC to the usb ether 63149c752c9SJean-Jacques Hiblot gadget driver from the command line. 63249c752c9SJean-Jacques Hiblot 633d315628eSSimon Glassconfig CMD_CLK 634d315628eSSimon Glass bool "clk - Show clock frequencies" 635d315628eSSimon Glass help 636d315628eSSimon Glass (deprecated) 637d315628eSSimon Glass Shows clock frequences by calling a sock_clk_dump() hook function. 638d315628eSSimon Glass This is depreated in favour of using the CLK uclass and accessing 639d315628eSSimon Glass clock values from associated drivers. However currently no command 640d315628eSSimon Glass exists for this. 641d315628eSSimon Glass 64272a8cf8dSSimon Glassconfig CMD_DEMO 64372a8cf8dSSimon Glass bool "demo - Demonstration commands for driver model" 64472a8cf8dSSimon Glass depends on DM 64572a8cf8dSSimon Glass help 64672a8cf8dSSimon Glass Provides a 'demo' command which can be used to play around with 64772a8cf8dSSimon Glass driver model. To use this properly you will need to enable one or 64872a8cf8dSSimon Glass both of the demo devices (DM_DEMO_SHAPE and DM_DEMO_SIMPLE). 64972a8cf8dSSimon Glass Otherwise you will always get an empty list of devices. The demo 65072a8cf8dSSimon Glass devices are defined in the sandbox device tree, so the easiest 65172a8cf8dSSimon Glass option is to use sandbox and pass the -d point to sandbox's 65272a8cf8dSSimon Glass u-boot.dtb file. 65372a8cf8dSSimon Glass 6540c19b4d1SSimon Glassconfig CMD_DFU 6550c19b4d1SSimon Glass bool "dfu" 6560f44d335SMarek Vasut select DFU 6570c19b4d1SSimon Glass help 6580c19b4d1SSimon Glass Enables the command "dfu" which is used to have U-Boot create a DFU 65900fd59ddSSimon Glass class device via USB. This command requires that the "dfu_alt_info" 66000fd59ddSSimon Glass environment variable be set and define the alt settings to expose to 66100fd59ddSSimon Glass the host. 6620c19b4d1SSimon Glass 6630c19b4d1SSimon Glassconfig CMD_DM 6640c19b4d1SSimon Glass bool "dm - Access to driver model information" 6650c19b4d1SSimon Glass depends on DM 6660c19b4d1SSimon Glass help 6670c19b4d1SSimon Glass Provides access to driver model data structures and information, 6680c19b4d1SSimon Glass such as a list of devices, list of uclasses and the state of each 6690c19b4d1SSimon Glass device (e.g. activated). This is not required for operation, but 6700c19b4d1SSimon Glass can be useful to see the state of driver model for debugging or 6710c19b4d1SSimon Glass interest. 6720c19b4d1SSimon Glass 673312a10f1SAlex Kiernanconfig CMD_FASTBOOT 674312a10f1SAlex Kiernan bool "fastboot - Android fastboot support" 675312a10f1SAlex Kiernan depends on FASTBOOT 676312a10f1SAlex Kiernan help 677312a10f1SAlex Kiernan This enables the command "fastboot" which enables the Android 678312a10f1SAlex Kiernan fastboot mode for the platform. Fastboot is a protocol for 679312a10f1SAlex Kiernan downloading images, flashing and device control used on 680f73a7df9SAlex Kiernan Android devices. Fastboot requires either the network stack 681f73a7df9SAlex Kiernan enabled or support for acting as a USB device. 682312a10f1SAlex Kiernan 683312a10f1SAlex Kiernan See doc/README.android-fastboot for more information. 684312a10f1SAlex Kiernan 6850c19b4d1SSimon Glassconfig CMD_FDC 6860c19b4d1SSimon Glass bool "fdcboot - Boot from floppy device" 6870c19b4d1SSimon Glass help 6880c19b4d1SSimon Glass The 'fdtboot' command allows booting an image from a floppy disk. 6890c19b4d1SSimon Glass 6900c19b4d1SSimon Glassconfig CMD_FLASH 6910c19b4d1SSimon Glass bool "flinfo, erase, protect" 6920c19b4d1SSimon Glass default y 6930c19b4d1SSimon Glass help 6940c19b4d1SSimon Glass NOR flash support. 6950c19b4d1SSimon Glass flinfo - print FLASH memory information 6960c19b4d1SSimon Glass erase - FLASH memory 6970c19b4d1SSimon Glass protect - enable or disable FLASH write protection 6980c19b4d1SSimon Glass 6990c19b4d1SSimon Glassconfig CMD_FPGA 7000c19b4d1SSimon Glass bool "fpga" 701a4fa8114STuomas Tynkkynen depends on FPGA 7020c19b4d1SSimon Glass default y 7030c19b4d1SSimon Glass help 7040c19b4d1SSimon Glass FPGA support. 7050c19b4d1SSimon Glass 7060c19b4d1SSimon Glassconfig CMD_FPGA_LOADBP 7070c19b4d1SSimon Glass bool "fpga loadbp - load partial bitstream (Xilinx only)" 7080c19b4d1SSimon Glass depends on CMD_FPGA 7090c19b4d1SSimon Glass help 7100c19b4d1SSimon Glass Supports loading an FPGA device from a bitstream buffer containing 7110c19b4d1SSimon Glass a partial bitstream. 7120c19b4d1SSimon Glass 7130c19b4d1SSimon Glassconfig CMD_FPGA_LOADFS 7140c19b4d1SSimon Glass bool "fpga loadfs - load bitstream from FAT filesystem (Xilinx only)" 7150c19b4d1SSimon Glass depends on CMD_FPGA 7160c19b4d1SSimon Glass help 7170c19b4d1SSimon Glass Supports loading an FPGA device from a FAT filesystem. 7180c19b4d1SSimon Glass 7190c19b4d1SSimon Glassconfig CMD_FPGA_LOADMK 7200c19b4d1SSimon Glass bool "fpga loadmk - load bitstream from image" 7210c19b4d1SSimon Glass depends on CMD_FPGA 7220c19b4d1SSimon Glass help 7230c19b4d1SSimon Glass Supports loading an FPGA device from a image generated by mkimage. 7240c19b4d1SSimon Glass 7250c19b4d1SSimon Glassconfig CMD_FPGA_LOADP 7260c19b4d1SSimon Glass bool "fpga loadp - load partial bitstream" 7270c19b4d1SSimon Glass depends on CMD_FPGA 7280c19b4d1SSimon Glass help 7290c19b4d1SSimon Glass Supports loading an FPGA device from a bitstream buffer containing 7300c19b4d1SSimon Glass a partial bitstream. 7310c19b4d1SSimon Glass 732cedd48e2SSiva Durga Prasad Paladuguconfig CMD_FPGA_LOAD_SECURE 733cedd48e2SSiva Durga Prasad Paladugu bool "fpga loads - loads secure bitstreams (Xilinx only)" 734cedd48e2SSiva Durga Prasad Paladugu depends on CMD_FPGA 735cedd48e2SSiva Durga Prasad Paladugu help 736cedd48e2SSiva Durga Prasad Paladugu Enables the fpga loads command which is used to load secure 737cedd48e2SSiva Durga Prasad Paladugu (authenticated or encrypted or both) bitstreams on to FPGA. 738cedd48e2SSiva Durga Prasad Paladugu 7390c19b4d1SSimon Glassconfig CMD_FPGAD 7400c19b4d1SSimon Glass bool "fpgad - dump FPGA registers" 7410c19b4d1SSimon Glass help 7420c19b4d1SSimon Glass (legacy, needs conversion to driver model) 7430c19b4d1SSimon Glass Provides a way to dump FPGA registers by calling the board-specific 7440c19b4d1SSimon Glass fpga_get_reg() function. This functions similarly to the 'md' 7450c19b4d1SSimon Glass command. 7460c19b4d1SSimon Glass 7470c19b4d1SSimon Glassconfig CMD_FUSE 7480c19b4d1SSimon Glass bool "fuse - support for the fuse subssystem" 7490c19b4d1SSimon Glass help 7500c19b4d1SSimon Glass (deprecated - needs conversion to driver model) 7510c19b4d1SSimon Glass This allows reading, sensing, programming or overriding fuses 7520c19b4d1SSimon Glass which control the behaviour of the device. The command uses the 7530c19b4d1SSimon Glass fuse_...() API. 7540c19b4d1SSimon Glass 7550c19b4d1SSimon Glassconfig CMD_GPIO 7560c19b4d1SSimon Glass bool "gpio" 7570c19b4d1SSimon Glass help 7580c19b4d1SSimon Glass GPIO support. 7590c19b4d1SSimon Glass 7600c19b4d1SSimon Glassconfig CMD_GPT 7610c19b4d1SSimon Glass bool "GPT (GUID Partition Table) command" 7620c19b4d1SSimon Glass select EFI_PARTITION 7631811a928SAdam Ford select HAVE_BLOCK_DEVICE 7645ed063d1SMichal Simek select PARTITION_UUIDS 76547738accSMaxime Ripard imply RANDOM_UUID 7660c19b4d1SSimon Glass help 7670c19b4d1SSimon Glass Enable the 'gpt' command to ready and write GPT style partition 7680c19b4d1SSimon Glass tables. 7690c19b4d1SSimon Glass 77047738accSMaxime Ripardconfig RANDOM_UUID 77147738accSMaxime Ripard bool "GPT Random UUID generation" 772a451bc27SAdam Ford select LIB_UUID 77347738accSMaxime Ripard help 77447738accSMaxime Ripard Enable the generation of partitions with random UUIDs if none 77547738accSMaxime Ripard are provided. 77647738accSMaxime Ripard 7770c19b4d1SSimon Glassconfig CMD_GPT_RENAME 7780c19b4d1SSimon Glass bool "GPT partition renaming commands" 7790c19b4d1SSimon Glass depends on CMD_GPT 7800c19b4d1SSimon Glass help 7810c19b4d1SSimon Glass Enables the 'gpt' command to interchange names on two GPT 7820c19b4d1SSimon Glass partitions via the 'gpt swap' command or to rename single 7830c19b4d1SSimon Glass partitions via the 'rename' command. 7840c19b4d1SSimon Glass 78575eb9976SSimon Glassconfig CMD_IDE 78675eb9976SSimon Glass bool "ide - Support for IDE drivers" 787fc843a02SSimon Glass select IDE 78875eb9976SSimon Glass help 78975eb9976SSimon Glass Provides an 'ide' command which allows accessing the IDE drive, 79075eb9976SSimon Glass reseting the IDE interface, printing the partition table and 79175eb9976SSimon Glass geting device info. It also enables the 'diskboot' command which 79275eb9976SSimon Glass permits booting from an IDE drive. 79375eb9976SSimon Glass 794594e8d1cSSimon Glassconfig CMD_IO 795594e8d1cSSimon Glass bool "io - Support for performing I/O accesses" 796594e8d1cSSimon Glass help 797594e8d1cSSimon Glass Provides an 'iod' command to display I/O space and an 'iow' command 798594e8d1cSSimon Glass to write values to the I/O space. This can be useful for manually 799594e8d1cSSimon Glass checking the state of devices during boot when debugging device 800594e8d1cSSimon Glass drivers, etc. 801594e8d1cSSimon Glass 8027d0f5c13SSimon Glassconfig CMD_IOTRACE 8037d0f5c13SSimon Glass bool "iotrace - Support for tracing I/O activity" 8047d0f5c13SSimon Glass help 8057d0f5c13SSimon Glass Provides an 'iotrace' command which supports recording I/O reads and 8067d0f5c13SSimon Glass writes in a trace buffer in memory . It also maintains a checksum 8077d0f5c13SSimon Glass of the trace records (even if space is exhausted) so that the 8087d0f5c13SSimon Glass sequence of I/O accesses can be verified. 8097d0f5c13SSimon Glass 8107d0f5c13SSimon Glass When debugging drivers it is useful to see what I/O accesses were 8117d0f5c13SSimon Glass done and in what order. 8127d0f5c13SSimon Glass 8137d0f5c13SSimon Glass Even if the individual accesses are of little interest it can be 8147d0f5c13SSimon Glass useful to verify that the access pattern is consistent each time 8157d0f5c13SSimon Glass an operation is performed. In this case a checksum can be used to 8167d0f5c13SSimon Glass characterise the operation of a driver. The checksum can be compared 8177d0f5c13SSimon Glass across different runs of the operation to verify that the driver is 8187d0f5c13SSimon Glass working properly. 8197d0f5c13SSimon Glass 8207d0f5c13SSimon Glass In particular, when performing major refactoring of the driver, where 8217d0f5c13SSimon Glass the access pattern should not change, the checksum provides assurance 8227d0f5c13SSimon Glass that the refactoring work has not broken the driver. 8237d0f5c13SSimon Glass 8247d0f5c13SSimon Glass This works by sneaking into the io.h heder for an architecture and 8257d0f5c13SSimon Glass redirecting I/O accesses through iotrace's tracing mechanism. 8267d0f5c13SSimon Glass 8277d0f5c13SSimon Glass For now no commands are provided to examine the trace buffer. The 8287d0f5c13SSimon Glass format is fairly simple, so 'md' is a reasonable substitute. 8297d0f5c13SSimon Glass 8307d0f5c13SSimon Glass Note: The checksum feature is only useful for I/O regions where the 8317d0f5c13SSimon Glass contents do not change outside of software control. Where this is not 8327d0f5c13SSimon Glass suitable you can fall back to manually comparing the addresses. It 8337d0f5c13SSimon Glass might be useful to enhance tracing to only checksum the accesses and 8347d0f5c13SSimon Glass not the data read/written. 8357d0f5c13SSimon Glass 8360c19b4d1SSimon Glassconfig CMD_I2C 8370c19b4d1SSimon Glass bool "i2c" 8380c19b4d1SSimon Glass help 8390c19b4d1SSimon Glass I2C support. 8400c19b4d1SSimon Glass 841d05266f7SEugen Hristevconfig CMD_W1 842d05266f7SEugen Hristev depends on W1 843d05266f7SEugen Hristev default y if W1 844d05266f7SEugen Hristev bool "w1 - Support for Dallas 1-Wire protocol" 845d05266f7SEugen Hristev help 846d05266f7SEugen Hristev Dallas 1-wire protocol support 847d05266f7SEugen Hristev 84872a8cf8dSSimon Glassconfig CMD_LOADB 84972a8cf8dSSimon Glass bool "loadb" 85072a8cf8dSSimon Glass default y 85172a8cf8dSSimon Glass help 85272a8cf8dSSimon Glass Load a binary file over serial line. 85372a8cf8dSSimon Glass 85472a8cf8dSSimon Glassconfig CMD_LOADS 85572a8cf8dSSimon Glass bool "loads" 85672a8cf8dSSimon Glass default y 85772a8cf8dSSimon Glass help 85872a8cf8dSSimon Glass Load an S-Record file over serial line 85972a8cf8dSSimon Glass 860ab8243e4SDinh Nguyenconfig CMD_MMC 861ab8243e4SDinh Nguyen bool "mmc" 862ab8243e4SDinh Nguyen help 863ab8243e4SDinh Nguyen MMC memory mapped support. 864ab8243e4SDinh Nguyen 8655a7b11e6SAlex Kiernanconfig CMD_MMC_RPMB 8665a7b11e6SAlex Kiernan bool "Enable support for RPMB in the mmc command" 8675a7b11e6SAlex Kiernan depends on CMD_MMC 8685a7b11e6SAlex Kiernan help 8695a7b11e6SAlex Kiernan Enable the commands for reading, writing and programming the 8705a7b11e6SAlex Kiernan key for the Replay Protection Memory Block partition in eMMC. 8715a7b11e6SAlex Kiernan 872c232d14dSAlex Kiernanconfig CMD_MMC_SWRITE 873c232d14dSAlex Kiernan bool "mmc swrite" 874c232d14dSAlex Kiernan depends on CMD_MMC && MMC_WRITE 875c232d14dSAlex Kiernan select IMAGE_SPARSE 876c232d14dSAlex Kiernan help 877c232d14dSAlex Kiernan Enable support for the "mmc swrite" command to write Android sparse 878c232d14dSAlex Kiernan images to eMMC. 879c232d14dSAlex Kiernan 8805db66b3aSMiquel Raynalconfig CMD_MTD 8815db66b3aSMiquel Raynal bool "mtd" 8825db66b3aSMiquel Raynal select MTD_PARTITIONS 8835db66b3aSMiquel Raynal help 8845db66b3aSMiquel Raynal MTD commands support. 8855db66b3aSMiquel Raynal 88672a8cf8dSSimon Glassconfig CMD_NAND 88772a8cf8dSSimon Glass bool "nand" 888522c282fSMaxime Ripard default y if NAND_SUNXI 88972a8cf8dSSimon Glass help 89072a8cf8dSSimon Glass NAND support. 89172a8cf8dSSimon Glass 892e915d201SBoris Brezillonif CMD_NAND 893e915d201SBoris Brezillonconfig CMD_NAND_TRIMFFS 894e915d201SBoris Brezillon bool "nand write.trimffs" 895d482a8dfSHans de Goede default y if ARCH_SUNXI 896e915d201SBoris Brezillon help 897e915d201SBoris Brezillon Allows one to skip empty pages when flashing something on a NAND. 898e915d201SBoris Brezillon 899e915d201SBoris Brezillonconfig CMD_NAND_LOCK_UNLOCK 900e915d201SBoris Brezillon bool "nand lock/unlock" 901e915d201SBoris Brezillon help 902e915d201SBoris Brezillon NAND locking support. 903e915d201SBoris Brezillon 904e915d201SBoris Brezillonconfig CMD_NAND_TORTURE 905e915d201SBoris Brezillon bool "nand torture" 906e915d201SBoris Brezillon help 907e915d201SBoris Brezillon NAND torture support. 908e915d201SBoris Brezillon 909e915d201SBoris Brezillonendif # CMD_NAND 910e915d201SBoris Brezillon 9110adc38beSZhikang Zhangconfig CMD_NVME 9120adc38beSZhikang Zhang bool "nvme" 9130adc38beSZhikang Zhang depends on NVME 9140adc38beSZhikang Zhang default y if NVME 9150adc38beSZhikang Zhang help 9160adc38beSZhikang Zhang NVM Express device support 9170adc38beSZhikang Zhang 918f38c5f52SSimon Glassconfig CMD_MMC_SPI 919f38c5f52SSimon Glass bool "mmc_spi - Set up MMC SPI device" 920f38c5f52SSimon Glass help 921f38c5f52SSimon Glass Provides a way to set up an MMC (Multimedia Card) SPI (Serial 922f38c5f52SSimon Glass Peripheral Interface) device. The device provides a means of 923f38c5f52SSimon Glass accessing an MMC device via SPI using a single data line, limited 924f38c5f52SSimon Glass to 20MHz. It is useful since it reduces the amount of protocol code 925f38c5f52SSimon Glass required. 926f38c5f52SSimon Glass 927978f0854SSimon Glassconfig CMD_ONENAND 928978f0854SSimon Glass bool "onenand - access to onenand device" 929978f0854SSimon Glass help 930978f0854SSimon Glass OneNAND is a brand of NAND ('Not AND' gate) flash which provides 931978f0854SSimon Glass various useful features. This command allows reading, writing, 932978f0854SSimon Glass and erasing blocks. It allso provides a way to show and change 933978f0854SSimon Glass bad blocks, and test the device. 934978f0854SSimon Glass 9353bf65cb5SMario Sixconfig CMD_OSD 9363bf65cb5SMario Six bool "osd" 9373bf65cb5SMario Six help 9383bf65cb5SMario Six Enable the 'osd' command which allows to query information from and 9393bf65cb5SMario Six write text data to a on-screen display (OSD) device; a virtual device 9403bf65cb5SMario Six associated with a display capable of displaying a text overlay on the 9413bf65cb5SMario Six display it's associated with.. 9423bf65cb5SMario Six 943b331cd62SPatrick Delaunayconfig CMD_PART 944b331cd62SPatrick Delaunay bool "part" 9451811a928SAdam Ford select HAVE_BLOCK_DEVICE 9465ed063d1SMichal Simek select PARTITION_UUIDS 947b331cd62SPatrick Delaunay help 948b331cd62SPatrick Delaunay Read and display information about the partition table on 949b331cd62SPatrick Delaunay various media. 950b331cd62SPatrick Delaunay 9516500ec7aSSimon Glassconfig CMD_PCI 9526500ec7aSSimon Glass bool "pci - Access PCI devices" 9536500ec7aSSimon Glass help 9546500ec7aSSimon Glass Provide access to PCI (Peripheral Interconnect Bus), a type of bus 9556500ec7aSSimon Glass used on some devices to allow the CPU to communicate with its 9566500ec7aSSimon Glass peripherals. Sub-commands allow bus enumeration, displaying and 9576500ec7aSSimon Glass changing configuration space and a few other features. 9586500ec7aSSimon Glass 9597f666555SSimon Glassconfig CMD_PCMCIA 9607f666555SSimon Glass bool "pinit - Set up PCMCIA device" 9617f666555SSimon Glass help 9627f666555SSimon Glass Provides a means to initialise a PCMCIA (Personal Computer Memory 9637f666555SSimon Glass Card International Association) device. This is an old standard from 9647f666555SSimon Glass about 1990. These devices are typically removable memory or network 9657f666555SSimon Glass cards using a standard 68-pin connector. 9667f666555SSimon Glass 967d5a83139SPatrice Chotardconfig CMD_PINMUX 968d5a83139SPatrice Chotard bool "pinmux - show pins muxing" 969d5a83139SPatrice Chotard default y if PINCTRL 970d5a83139SPatrice Chotard help 971d5a83139SPatrice Chotard Parse all available pin-controllers and show pins muxing. This 972d5a83139SPatrice Chotard is useful for debug purpoer to check the pin muxing and to know if 973d5a83139SPatrice Chotard a pin is configured as a GPIO or as an alternate function. 974d5a83139SPatrice Chotard 975577c40aeSAdam Fordconfig CMD_POWEROFF 976577c40aeSAdam Ford bool "poweroff" 977577c40aeSAdam Ford help 978577c40aeSAdam Ford Poweroff/Shutdown the system 979577c40aeSAdam Ford 980b75dfd2dSSimon Glassconfig CMD_READ 981b75dfd2dSSimon Glass bool "read - Read binary data from a partition" 982b75dfd2dSSimon Glass help 983b75dfd2dSSimon Glass Provides low-level access to the data in a partition. 984b75dfd2dSSimon Glass 98572a8cf8dSSimon Glassconfig CMD_REMOTEPROC 98672a8cf8dSSimon Glass bool "remoteproc" 98772a8cf8dSSimon Glass depends on REMOTEPROC 98872a8cf8dSSimon Glass help 98972a8cf8dSSimon Glass Support for Remote Processor control 99072a8cf8dSSimon Glass 9913bf926c0SSimon Glassconfig CMD_SATA 9923bf926c0SSimon Glass bool "sata - Access SATA subsystem" 99310e40d54SSimon Glass select SATA 9943bf926c0SSimon Glass help 9953bf926c0SSimon Glass SATA (Serial Advanced Technology Attachment) is a serial bus 9963bf926c0SSimon Glass standard for connecting to hard drives and other storage devices. 9973bf926c0SSimon Glass This command provides information about attached devices and allows 9983bf926c0SSimon Glass reading, writing and other operations. 9993bf926c0SSimon Glass 10003bf926c0SSimon Glass SATA replaces PATA (originally just ATA), which stands for Parallel AT 10013bf926c0SSimon Glass Attachment, where AT refers to an IBM AT (Advanced Technology) 10023bf926c0SSimon Glass computer released in 1984. 10033bf926c0SSimon Glass 100415dc63d6SSimon Glassconfig CMD_SAVES 100515dc63d6SSimon Glass bool "saves - Save a file over serial in S-Record format" 100615dc63d6SSimon Glass help 100715dc63d6SSimon Glass Provides a way to save a binary file using the Motorola S-Record 100815dc63d6SSimon Glass format over the serial line. 100915dc63d6SSimon Glass 10100c3fecd0SHeinrich Schuchardtconfig CMD_SCSI 10110c3fecd0SHeinrich Schuchardt bool "scsi - Access to SCSI devices" 10120c3fecd0SHeinrich Schuchardt default y if SCSI 10130c3fecd0SHeinrich Schuchardt help 10140c3fecd0SHeinrich Schuchardt This provides a 'scsi' command which provides access to SCSI (Small 10150c3fecd0SHeinrich Schuchardt Computer System Interface) devices. The command provides a way to 10160c3fecd0SHeinrich Schuchardt scan the bus, reset the bus, read and write data and get information 10170c3fecd0SHeinrich Schuchardt about devices. 10180c3fecd0SHeinrich Schuchardt 1019efce2442SSimon Glassconfig CMD_SDRAM 1020efce2442SSimon Glass bool "sdram - Print SDRAM configuration information" 1021efce2442SSimon Glass help 1022efce2442SSimon Glass Provides information about attached SDRAM. This assumed that the 1023efce2442SSimon Glass SDRAM has an EEPROM with information that can be read using the 1024efce2442SSimon Glass I2C bus. This is only available on some boards. 1025efce2442SSimon Glass 10260c19b4d1SSimon Glassconfig CMD_SF 10270c19b4d1SSimon Glass bool "sf" 10280c19b4d1SSimon Glass help 10290c19b4d1SSimon Glass SPI Flash support 10300c19b4d1SSimon Glass 1031719d36eeSSimon Glassconfig CMD_SF_TEST 1032719d36eeSSimon Glass bool "sf test - Allow testing of SPI flash" 1033719d36eeSSimon Glass help 1034719d36eeSSimon Glass Provides a way to test that SPI flash is working correctly. The 1035719d36eeSSimon Glass test is destructive, in that an area of SPI flash must be provided 1036719d36eeSSimon Glass for the test to use. Performance information is also provided, 1037719d36eeSSimon Glass measuring the performance of reading, writing and erasing in 1038719d36eeSSimon Glass Mbps (Million Bits Per Second). This value should approximately 1039719d36eeSSimon Glass equal the SPI bus speed for a single-bit-wide SPI bus, assuming 1040719d36eeSSimon Glass everything is working properly. 1041719d36eeSSimon Glass 10420c19b4d1SSimon Glassconfig CMD_SPI 1043*c95e632dSPatrick Delaunay bool "sspi - Command to access spi device" 10440c19b4d1SSimon Glass help 10450c19b4d1SSimon Glass SPI utility command. 10460c19b4d1SSimon Glass 1047*c95e632dSPatrick Delaunayconfig DEFAULT_SPI_BUS 1048*c95e632dSPatrick Delaunay int "default spi bus used by sspi command" 1049*c95e632dSPatrick Delaunay depends on CMD_SPI 1050*c95e632dSPatrick Delaunay default 0 1051*c95e632dSPatrick Delaunay 1052*c95e632dSPatrick Delaunayconfig DEFAULT_SPI_MODE 1053*c95e632dSPatrick Delaunay hex "default spi mode used by sspi command (see include/spi.h)" 1054*c95e632dSPatrick Delaunay depends on CMD_SPI 1055*c95e632dSPatrick Delaunay default 0 1056*c95e632dSPatrick Delaunay 10575605aa8aSSimon Glassconfig CMD_TSI148 10585605aa8aSSimon Glass bool "tsi148 - Command to access tsi148 device" 10595605aa8aSSimon Glass help 10605605aa8aSSimon Glass This provides various sub-commands to initialise and configure the 10615605aa8aSSimon Glass Turndra tsi148 device. See the command help for full details. 10625605aa8aSSimon Glass 10632a242e3eSSimon Glassconfig CMD_UNIVERSE 10642a242e3eSSimon Glass bool "universe - Command to set up the Turndra Universe controller" 10652a242e3eSSimon Glass help 10662a242e3eSSimon Glass This allows setting up the VMEbus provided by this controller. 10672a242e3eSSimon Glass See the command help for full details. 10682a242e3eSSimon Glass 10690c19b4d1SSimon Glassconfig CMD_USB 10700c19b4d1SSimon Glass bool "usb" 10711811a928SAdam Ford select HAVE_BLOCK_DEVICE 10720c19b4d1SSimon Glass help 10730c19b4d1SSimon Glass USB support. 10740c19b4d1SSimon Glass 10752f005695SStefan Agnerconfig CMD_USB_SDP 10762f005695SStefan Agner bool "sdp" 10772f005695SStefan Agner select USB_FUNCTION_SDP 10782f005695SStefan Agner help 10792f005695SStefan Agner Enables the command "sdp" which is used to have U-Boot emulating the 10802f005695SStefan Agner Serial Download Protocol (SDP) via USB. 10816e7bdde4SMichal Simek 1082453c95e0SEddie Caiconfig CMD_ROCKUSB 1083453c95e0SEddie Cai bool "rockusb" 1084453c95e0SEddie Cai depends on USB_FUNCTION_ROCKUSB 1085453c95e0SEddie Cai help 1086453c95e0SEddie Cai Rockusb protocol is widely used by Rockchip SoC based devices. It can 1087453c95e0SEddie Cai read/write info, image to/from devices. This enable rockusb command 1088453c95e0SEddie Cai support to communication with rockusb device. for more detail about 1089453c95e0SEddie Cai this command, please read doc/README.rockusb. 10902f005695SStefan Agner 10910c19b4d1SSimon Glassconfig CMD_USB_MASS_STORAGE 10920c19b4d1SSimon Glass bool "UMS usb mass storage" 1093e4d4604aSLukasz Majewski select USB_FUNCTION_MASS_STORAGE 10940c19b4d1SSimon Glass help 10950c19b4d1SSimon Glass USB mass storage support 10960c19b4d1SSimon Glass 109778e12901STuomas Tynkkynenconfig CMD_VIRTIO 109878e12901STuomas Tynkkynen bool "virtio" 109978e12901STuomas Tynkkynen depends on VIRTIO 110078e12901STuomas Tynkkynen default y if VIRTIO 110178e12901STuomas Tynkkynen help 110278e12901STuomas Tynkkynen VirtIO block device support 110378e12901STuomas Tynkkynen 110437c4a5f6SMario Sixconfig CMD_AXI 110537c4a5f6SMario Six bool "axi" 110637c4a5f6SMario Six depends on AXI 110737c4a5f6SMario Six help 110837c4a5f6SMario Six Enable the command "axi" for accessing AXI (Advanced eXtensible 110937c4a5f6SMario Six Interface) busses, a on-chip interconnect specification for managing 111037c4a5f6SMario Six functional blocks in SoC designs, which is also often used in designs 111137c4a5f6SMario Six involving FPGAs (e.g. communication with IP cores in Xilinx FPGAs). 111272a8cf8dSSimon Glassendmenu 111372a8cf8dSSimon Glass 111472a8cf8dSSimon Glass 111572a8cf8dSSimon Glassmenu "Shell scripting commands" 111672a8cf8dSSimon Glass 111772a8cf8dSSimon Glassconfig CMD_ECHO 111872a8cf8dSSimon Glass bool "echo" 111972a8cf8dSSimon Glass default y 112072a8cf8dSSimon Glass help 112172a8cf8dSSimon Glass Echo args to console 112272a8cf8dSSimon Glass 112372a8cf8dSSimon Glassconfig CMD_ITEST 112472a8cf8dSSimon Glass bool "itest" 112572a8cf8dSSimon Glass default y 112672a8cf8dSSimon Glass help 112772a8cf8dSSimon Glass Return true/false on integer compare. 112872a8cf8dSSimon Glass 112972a8cf8dSSimon Glassconfig CMD_SOURCE 113072a8cf8dSSimon Glass bool "source" 113172a8cf8dSSimon Glass default y 113272a8cf8dSSimon Glass help 113372a8cf8dSSimon Glass Run script from memory 113472a8cf8dSSimon Glass 113572a8cf8dSSimon Glassconfig CMD_SETEXPR 113672a8cf8dSSimon Glass bool "setexpr" 113772a8cf8dSSimon Glass default y 113872a8cf8dSSimon Glass help 113972a8cf8dSSimon Glass Evaluate boolean and math expressions and store the result in an env 114072a8cf8dSSimon Glass variable. 114172a8cf8dSSimon Glass Also supports loading the value at a memory location into a variable. 114272a8cf8dSSimon Glass If CONFIG_REGEX is enabled, setexpr also supports a gsub function. 114372a8cf8dSSimon Glass 114472a8cf8dSSimon Glassendmenu 114572a8cf8dSSimon Glass 11463b3ea2c5SMichal Simekif NET 11473b3ea2c5SMichal Simek 1148d7a45eafSJoe Hershbergermenuconfig CMD_NET 1149d7a45eafSJoe Hershberger bool "Network commands" 1150d7a45eafSJoe Hershberger default y 1151d7869b21SAdam Ford imply NETDEVICES 1152d7a45eafSJoe Hershberger 1153d7a45eafSJoe Hershbergerif CMD_NET 1154d7a45eafSJoe Hershberger 1155d7a45eafSJoe Hershbergerconfig CMD_BOOTP 1156d7a45eafSJoe Hershberger bool "bootp" 115772a8cf8dSSimon Glass default y 115872a8cf8dSSimon Glass help 115972a8cf8dSSimon Glass bootp - boot image via network using BOOTP/TFTP protocol 1160d7a45eafSJoe Hershberger 1161e88b2563SJoe Hershbergerconfig CMD_DHCP 1162e88b2563SJoe Hershberger bool "dhcp" 1163e88b2563SJoe Hershberger depends on CMD_BOOTP 1164e88b2563SJoe Hershberger help 1165e88b2563SJoe Hershberger Boot image via network using DHCP/TFTP protocol 1166e88b2563SJoe Hershberger 116792fa44d5SJoe Hershbergerconfig BOOTP_BOOTPATH 11688df69d90SJoe Hershberger bool "Request & store 'rootpath' from BOOTP/DHCP server" 11693dfbc53bSJoe Hershberger default y 117092fa44d5SJoe Hershberger depends on CMD_BOOTP 11718df69d90SJoe Hershberger help 11728df69d90SJoe Hershberger Even though the config is called BOOTP_BOOTPATH, it stores the 11738df69d90SJoe Hershberger path in the variable 'rootpath'. 117492fa44d5SJoe Hershberger 117592fa44d5SJoe Hershbergerconfig BOOTP_DNS 11768df69d90SJoe Hershberger bool "Request & store 'dnsip' from BOOTP/DHCP server" 11773dfbc53bSJoe Hershberger default y 117892fa44d5SJoe Hershberger depends on CMD_BOOTP 11798df69d90SJoe Hershberger help 11808df69d90SJoe Hershberger The primary DNS server is stored as 'dnsip'. If two servers are 11818df69d90SJoe Hershberger returned, you must set BOOTP_DNS2 to store that second server IP 11828df69d90SJoe Hershberger also. 118392fa44d5SJoe Hershberger 118480449c03SJoe Hershbergerconfig BOOTP_DNS2 118580449c03SJoe Hershberger bool "Store 'dnsip2' from BOOTP/DHCP server" 118680449c03SJoe Hershberger depends on BOOTP_DNS 118780449c03SJoe Hershberger help 118880449c03SJoe Hershberger If a DHCP client requests the DNS server IP from a DHCP server, 118980449c03SJoe Hershberger it is possible that more than one DNS serverip is offered to the 119080449c03SJoe Hershberger client. If CONFIG_BOOTP_DNS2 is enabled, the secondary DNS 119180449c03SJoe Hershberger server IP will be stored in the additional environment 119280449c03SJoe Hershberger variable "dnsip2". The first DNS serverip is always 119380449c03SJoe Hershberger stored in the variable "dnsip", when BOOTP_DNS is defined. 119480449c03SJoe Hershberger 119592fa44d5SJoe Hershbergerconfig BOOTP_GATEWAY 11968df69d90SJoe Hershberger bool "Request & store 'gatewayip' from BOOTP/DHCP server" 11973dfbc53bSJoe Hershberger default y 119892fa44d5SJoe Hershberger depends on CMD_BOOTP 119992fa44d5SJoe Hershberger 120092fa44d5SJoe Hershbergerconfig BOOTP_HOSTNAME 12018df69d90SJoe Hershberger bool "Request & store 'hostname' from BOOTP/DHCP server" 12023dfbc53bSJoe Hershberger default y 120392fa44d5SJoe Hershberger depends on CMD_BOOTP 12048df69d90SJoe Hershberger help 12058df69d90SJoe Hershberger The name may or may not be qualified with the local domain name. 120692fa44d5SJoe Hershberger 1207bdce340cSAlexander Grafconfig BOOTP_PREFER_SERVERIP 1208bdce340cSAlexander Graf bool "serverip variable takes precedent over DHCP server IP." 1209bdce340cSAlexander Graf depends on CMD_BOOTP 1210bdce340cSAlexander Graf help 1211bdce340cSAlexander Graf By default a BOOTP/DHCP reply will overwrite the 'serverip' variable. 1212bdce340cSAlexander Graf 1213bdce340cSAlexander Graf With this option enabled, the 'serverip' variable in the environment 1214bdce340cSAlexander Graf takes precedence over DHCP server IP and will only be set by the DHCP 1215bdce340cSAlexander Graf server if not already set in the environment. 1216bdce340cSAlexander Graf 121792fa44d5SJoe Hershbergerconfig BOOTP_SUBNETMASK 12188df69d90SJoe Hershberger bool "Request & store 'netmask' from BOOTP/DHCP server" 12193dfbc53bSJoe Hershberger default y 122092fa44d5SJoe Hershberger depends on CMD_BOOTP 122192fa44d5SJoe Hershberger 12229b23c73dSChris Packhamconfig BOOTP_NTPSERVER 12239b23c73dSChris Packham bool "Request & store 'ntpserverip' from BOOTP/DHCP server" 12249b23c73dSChris Packham depends on CMD_BOOTP 12259b23c73dSChris Packham 122692fa44d5SJoe Hershbergerconfig BOOTP_PXE 12272b9f486bSJoe Hershberger bool "Send PXE client arch to BOOTP/DHCP server" 12283dfbc53bSJoe Hershberger default y 12292b9f486bSJoe Hershberger depends on CMD_BOOTP && CMD_PXE 12302b9f486bSJoe Hershberger help 12312b9f486bSJoe Hershberger Supported for ARM, ARM64, and x86 for now. 123292fa44d5SJoe Hershberger 123392fa44d5SJoe Hershbergerconfig BOOTP_PXE_CLIENTARCH 123492fa44d5SJoe Hershberger hex 12352b9f486bSJoe Hershberger depends on BOOTP_PXE 123692fa44d5SJoe Hershberger default 0x16 if ARM64 123792fa44d5SJoe Hershberger default 0x15 if ARM 123892fa44d5SJoe Hershberger default 0 if X86 123992fa44d5SJoe Hershberger 124092fa44d5SJoe Hershbergerconfig BOOTP_VCI_STRING 124192fa44d5SJoe Hershberger string 124292fa44d5SJoe Hershberger depends on CMD_BOOTP 12434bbd6b1dSMichal Simek default "U-Boot.armv7" if CPU_V7A || CPU_V7M || CPU_V7R 124492fa44d5SJoe Hershberger default "U-Boot.armv8" if ARM64 124592fa44d5SJoe Hershberger default "U-Boot.arm" if ARM 124692fa44d5SJoe Hershberger default "U-Boot" 124792fa44d5SJoe Hershberger 1248d7a45eafSJoe Hershbergerconfig CMD_TFTPBOOT 1249d7a45eafSJoe Hershberger bool "tftpboot" 1250d7a45eafSJoe Hershberger default y 1251d7a45eafSJoe Hershberger help 125272a8cf8dSSimon Glass tftpboot - boot image via network using TFTP protocol 125372a8cf8dSSimon Glass 125472a8cf8dSSimon Glassconfig CMD_TFTPPUT 125572a8cf8dSSimon Glass bool "tftp put" 1256d7a45eafSJoe Hershberger depends on CMD_TFTPBOOT 125772a8cf8dSSimon Glass help 125872a8cf8dSSimon Glass TFTP put command, for uploading files to a server 125972a8cf8dSSimon Glass 126072a8cf8dSSimon Glassconfig CMD_TFTPSRV 126172a8cf8dSSimon Glass bool "tftpsrv" 1262d7a45eafSJoe Hershberger depends on CMD_TFTPBOOT 126372a8cf8dSSimon Glass help 126472a8cf8dSSimon Glass Act as a TFTP server and boot the first received file 126572a8cf8dSSimon Glass 126692fa44d5SJoe Hershbergerconfig NET_TFTP_VARS 126792fa44d5SJoe Hershberger bool "Control TFTP timeout and count through environment" 126892fa44d5SJoe Hershberger depends on CMD_TFTPBOOT 126992fa44d5SJoe Hershberger default y 127092fa44d5SJoe Hershberger help 127192fa44d5SJoe Hershberger If set, allows controlling the TFTP timeout through the 127292fa44d5SJoe Hershberger environment variable tftptimeout, and the TFTP maximum 127392fa44d5SJoe Hershberger timeout count through the variable tftptimeoutcountmax. 127492fa44d5SJoe Hershberger If unset, timeout and maximum are hard-defined as 1 second 127592fa44d5SJoe Hershberger and 10 timouts per TFTP transfer. 127692fa44d5SJoe Hershberger 127772a8cf8dSSimon Glassconfig CMD_RARP 127872a8cf8dSSimon Glass bool "rarpboot" 127972a8cf8dSSimon Glass help 128072a8cf8dSSimon Glass Boot image via network using RARP/TFTP protocol 128172a8cf8dSSimon Glass 128272a8cf8dSSimon Glassconfig CMD_NFS 128372a8cf8dSSimon Glass bool "nfs" 128472a8cf8dSSimon Glass default y 128572a8cf8dSSimon Glass help 128672a8cf8dSSimon Glass Boot image via network using NFS protocol. 128772a8cf8dSSimon Glass 1288ab8243e4SDinh Nguyenconfig CMD_MII 1289ab8243e4SDinh Nguyen bool "mii" 1290ab8243e4SDinh Nguyen help 1291ab8243e4SDinh Nguyen Enable MII utility commands. 1292ab8243e4SDinh Nguyen 129372a8cf8dSSimon Glassconfig CMD_PING 129472a8cf8dSSimon Glass bool "ping" 129572a8cf8dSSimon Glass help 129672a8cf8dSSimon Glass Send ICMP ECHO_REQUEST to network host 129772a8cf8dSSimon Glass 129872a8cf8dSSimon Glassconfig CMD_CDP 129972a8cf8dSSimon Glass bool "cdp" 130072a8cf8dSSimon Glass help 130172a8cf8dSSimon Glass Perform CDP network configuration 130272a8cf8dSSimon Glass 130372a8cf8dSSimon Glassconfig CMD_SNTP 130472a8cf8dSSimon Glass bool "sntp" 130572a8cf8dSSimon Glass help 130672a8cf8dSSimon Glass Synchronize RTC via network 130772a8cf8dSSimon Glass 130872a8cf8dSSimon Glassconfig CMD_DNS 130972a8cf8dSSimon Glass bool "dns" 131072a8cf8dSSimon Glass help 131172a8cf8dSSimon Glass Lookup the IP of a hostname 131272a8cf8dSSimon Glass 131372a8cf8dSSimon Glassconfig CMD_LINK_LOCAL 131472a8cf8dSSimon Glass bool "linklocal" 13156f0dc0caSJoe Hershberger select LIB_RAND 131672a8cf8dSSimon Glass help 131772a8cf8dSSimon Glass Acquire a network IP address using the link-local protocol 131872a8cf8dSSimon Glass 131992fa44d5SJoe Hershbergerendif 132092fa44d5SJoe Hershberger 1321ef072200SSimon Glassconfig CMD_ETHSW 1322ef072200SSimon Glass bool "ethsw" 1323ef072200SSimon Glass help 1324ef072200SSimon Glass Allow control of L2 Ethernet switch commands. These are supported 1325ef072200SSimon Glass by the vsc9953 Ethernet driver at present. Sub-commands allow 1326ef072200SSimon Glass operations such as enabling / disabling a port and 1327ef072200SSimon Glass viewing/maintaining the filtering database (FDB) 1328ef072200SSimon Glass 132992fa44d5SJoe Hershbergerconfig CMD_PXE 133092fa44d5SJoe Hershberger bool "pxe" 133192fa44d5SJoe Hershberger select MENU 133292fa44d5SJoe Hershberger help 133392fa44d5SJoe Hershberger Boot image via network using PXE protocol 13343b3ea2c5SMichal Simek 1335d8970daeSLothar Feltenconfig CMD_WOL 1336d8970daeSLothar Felten bool "wol" 1337d8970daeSLothar Felten help 1338d8970daeSLothar Felten Wait for wake-on-lan Magic Packet 1339d8970daeSLothar Felten 1340d7a45eafSJoe Hershbergerendif 134172a8cf8dSSimon Glass 134272a8cf8dSSimon Glassmenu "Misc commands" 134372a8cf8dSSimon Glass 13440f710258SSimon Glassconfig CMD_BMP 13450f710258SSimon Glass bool "Enable 'bmp' command" 13460f710258SSimon Glass depends on LCD || DM_VIDEO || VIDEO 13470f710258SSimon Glass help 13480f710258SSimon Glass This provides a way to obtain information about a BMP-format iamge 13490f710258SSimon Glass and to display it. BMP (which presumably stands for BitMaP) is a 13500f710258SSimon Glass file format defined by Microsoft which supports images of various 13510f710258SSimon Glass depths, formats and compression methods. Headers on the file 13520f710258SSimon Glass determine the formats used. This command can be used by first loading 13530f710258SSimon Glass the image into RAM, then using this command to look at it or display 13540f710258SSimon Glass it. 13550f710258SSimon Glass 1356b11ed7d6SAlex Kiernanconfig CMD_BOOTCOUNT 1357b11ed7d6SAlex Kiernan bool "bootcount" 1358b11ed7d6SAlex Kiernan depends on BOOTCOUNT_LIMIT 1359b11ed7d6SAlex Kiernan help 1360b11ed7d6SAlex Kiernan Enable the bootcount command, which allows interrogation and 1361b11ed7d6SAlex Kiernan reset of the bootcounter. 1362b11ed7d6SAlex Kiernan 13634893e34bSSimon Glassconfig CMD_BSP 13644893e34bSSimon Glass bool "Enable board-specific commands" 13654893e34bSSimon Glass help 13664893e34bSSimon Glass (deprecated: instead, please define a Kconfig option for each command) 13674893e34bSSimon Glass 13684893e34bSSimon Glass Some boards have board-specific commands which are only enabled 13694893e34bSSimon Glass during developemnt and need to be turned off for production. This 13704893e34bSSimon Glass option provides a way to control this. The commands that are enabled 13714893e34bSSimon Glass vary depending on the board. 13724893e34bSSimon Glass 1373cd3d4880STomas Melinconfig CMD_BKOPS_ENABLE 1374cd3d4880STomas Melin bool "mmc bkops enable" 1375cd3d4880STomas Melin depends on CMD_MMC 1376cd3d4880STomas Melin default n 1377cd3d4880STomas Melin help 1378cd3d4880STomas Melin Enable command for setting manual background operations handshake 1379cd3d4880STomas Melin on a eMMC device. The feature is optionally available on eMMC devices 1380cd3d4880STomas Melin conforming to standard >= 4.41. 1381cd3d4880STomas Melin 1382e40cf34aSEric Nelsonconfig CMD_BLOCK_CACHE 1383e40cf34aSEric Nelson bool "blkcache - control and stats for block cache" 1384e40cf34aSEric Nelson depends on BLOCK_CACHE 1385e40cf34aSEric Nelson default y if BLOCK_CACHE 1386e40cf34aSEric Nelson help 1387e40cf34aSEric Nelson Enable the blkcache command, which can be used to control the 1388e40cf34aSEric Nelson operation of the cache functions. 1389e40cf34aSEric Nelson This is most useful when fine-tuning the operation of the cache 1390e40cf34aSEric Nelson during development, but also allows the cache to be disabled when 1391e40cf34aSEric Nelson it might hurt performance (e.g. when using the ums command). 1392e40cf34aSEric Nelson 1393ab8243e4SDinh Nguyenconfig CMD_CACHE 1394ab8243e4SDinh Nguyen bool "icache or dcache" 1395ab8243e4SDinh Nguyen help 1396ab8243e4SDinh Nguyen Enable the "icache" and "dcache" commands 1397ab8243e4SDinh Nguyen 139829cfc096SHeinrich Schuchardtconfig CMD_CONITRACE 139929cfc096SHeinrich Schuchardt bool "conitrace - trace console input codes" 140029cfc096SHeinrich Schuchardt help 140129cfc096SHeinrich Schuchardt Enable the 'conitrace' command which displays the codes received 140229cfc096SHeinrich Schuchardt from the console input as hexadecimal numbers. 140329cfc096SHeinrich Schuchardt 14044e92e60dSAnatolij Gustschinconfig CMD_CLS 14054e92e60dSAnatolij Gustschin bool "Enable clear screen command 'cls'" 14064e92e60dSAnatolij Gustschin depends on CFB_CONSOLE || DM_VIDEO || LCD || VIDEO 14074e92e60dSAnatolij Gustschin default y if LCD 14084e92e60dSAnatolij Gustschin help 14094e92e60dSAnatolij Gustschin Enable the 'cls' command which clears the screen contents 14104e92e60dSAnatolij Gustschin on video frame buffer. 14114e92e60dSAnatolij Gustschin 141293d66ee5SSimon Glassconfig CMD_DISPLAY 141393d66ee5SSimon Glass bool "Enable the 'display' command, for character displays" 141493d66ee5SSimon Glass help 141593d66ee5SSimon Glass (this needs porting to driver model) 141693d66ee5SSimon Glass This enables the 'display' command which allows a string to be 141793d66ee5SSimon Glass displayed on a simple board-specific display. Implement 141893d66ee5SSimon Glass display_putc() to use it. 141993d66ee5SSimon Glass 142059df7e7eSAKASHI Takahiroconfig CMD_EFIDEBUG 142159df7e7eSAKASHI Takahiro bool "efidebug - display/configure UEFI environment" 142259df7e7eSAKASHI Takahiro depends on EFI_LOADER 142359df7e7eSAKASHI Takahiro default n 142459df7e7eSAKASHI Takahiro help 142559df7e7eSAKASHI Takahiro Enable the 'efidebug' command which provides a subset of UEFI 142659df7e7eSAKASHI Takahiro shell utility with simplified functionality. It will be useful 142759df7e7eSAKASHI Takahiro particularly for managing boot parameters as well as examining 142859df7e7eSAKASHI Takahiro various EFI status for debugging. 142959df7e7eSAKASHI Takahiro 1430ffe2052dSSimon Glassconfig CMD_LED 1431ffe2052dSSimon Glass bool "led" 14322ab6e74dSJan Kiszka depends on LED 1433ffe2052dSSimon Glass default y if LED 1434ffe2052dSSimon Glass help 1435ffe2052dSSimon Glass Enable the 'led' command which allows for control of LEDs supported 1436ffe2052dSSimon Glass by the board. The LEDs can be listed with 'led list' and controlled 1437ffe2052dSSimon Glass with led on/off/togle/blink. Any LED drivers can be controlled with 1438ffe2052dSSimon Glass this command, e.g. led_gpio. 1439ffe2052dSSimon Glass 1440c9032ce1SChris Packhamconfig CMD_DATE 1441c9032ce1SChris Packham bool "date" 1442c9032ce1SChris Packham default y if DM_RTC 1443c9032ce1SChris Packham help 1444c9032ce1SChris Packham Enable the 'date' command for getting/setting the time/date in RTC 1445c9032ce1SChris Packham devices. 1446c9032ce1SChris Packham 144772a8cf8dSSimon Glassconfig CMD_TIME 144872a8cf8dSSimon Glass bool "time" 144972a8cf8dSSimon Glass help 145072a8cf8dSSimon Glass Run commands and summarize execution time. 145172a8cf8dSSimon Glass 1452d91a9d7fSSimon Glassconfig CMD_GETTIME 1453d91a9d7fSSimon Glass bool "gettime - read elapsed time" 1454d91a9d7fSSimon Glass help 1455d91a9d7fSSimon Glass Enable the 'gettime' command which reads the elapsed time since 1456d91a9d7fSSimon Glass U-Boot started running. This shows the time in seconds and 1457d91a9d7fSSimon Glass milliseconds. See also the 'bootstage' command which provides more 1458d91a9d7fSSimon Glass flexibility for boot timing. 1459d91a9d7fSSimon Glass 146072a8cf8dSSimon Glass# TODO: rename to CMD_SLEEP 146172a8cf8dSSimon Glassconfig CMD_MISC 146272a8cf8dSSimon Glass bool "sleep" 146372a8cf8dSSimon Glass default y 146472a8cf8dSSimon Glass help 146572a8cf8dSSimon Glass Delay execution for some time 146672a8cf8dSSimon Glass 14670fd2290cSSiva Durga Prasad Paladuguconfig MP 14680fd2290cSSiva Durga Prasad Paladugu bool "support for multiprocessor" 14690fd2290cSSiva Durga Prasad Paladugu help 14700fd2290cSSiva Durga Prasad Paladugu This provides an option to brinup 14710fd2290cSSiva Durga Prasad Paladugu different processors in multiprocessor 14720fd2290cSSiva Durga Prasad Paladugu cases. 14730fd2290cSSiva Durga Prasad Paladugu 147472a8cf8dSSimon Glassconfig CMD_TIMER 147572a8cf8dSSimon Glass bool "timer" 147672a8cf8dSSimon Glass help 147772a8cf8dSSimon Glass Access the system timer. 147872a8cf8dSSimon Glass 147972a8cf8dSSimon Glassconfig CMD_SOUND 148072a8cf8dSSimon Glass bool "sound" 148172a8cf8dSSimon Glass depends on SOUND 148272a8cf8dSSimon Glass help 148372a8cf8dSSimon Glass This provides basic access to the U-Boot's sound support. The main 148472a8cf8dSSimon Glass feature is to play a beep. 148572a8cf8dSSimon Glass 148672a8cf8dSSimon Glass sound init - set up sound system 148772a8cf8dSSimon Glass sound play - play a sound 148872a8cf8dSSimon Glass 148918686590SMiao Yanconfig CMD_QFW 1490dd6f3abbSTom Rini bool "qfw" 1491fcf5c041SMiao Yan select QFW 1492dd6f3abbSTom Rini help 1493dd6f3abbSTom Rini This provides access to the QEMU firmware interface. The main 1494dd6f3abbSTom Rini feature is to allow easy loading of files passed to qemu-system 1495dd6f3abbSTom Rini via -kernel / -initrd 1496fa61ef6bSKonstantin Porotchkin 1497fa61ef6bSKonstantin Porotchkinsource "cmd/mvebu/Kconfig" 1498fa61ef6bSKonstantin Porotchkin 14993cef3b31SSimon Glassconfig CMD_TERMINAL 15003cef3b31SSimon Glass bool "terminal - provides a way to attach a serial terminal" 15013cef3b31SSimon Glass help 15023cef3b31SSimon Glass Provides a 'cu'-like serial terminal command. This can be used to 15033cef3b31SSimon Glass access other serial ports from the system console. The terminal 15043cef3b31SSimon Glass is very simple with no special processing of characters. As with 15053cef3b31SSimon Glass cu, you can press ~. (tilde followed by period) to exit. 15063cef3b31SSimon Glass 15071aa4e8d0SSimon Glassconfig CMD_UUID 15081aa4e8d0SSimon Glass bool "uuid, guid - generation of unique IDs" 1509a451bc27SAdam Ford select LIB_UUID 15101aa4e8d0SSimon Glass help 15111aa4e8d0SSimon Glass This enables two commands: 15121aa4e8d0SSimon Glass 15131aa4e8d0SSimon Glass uuid - generate random Universally Unique Identifier 15141aa4e8d0SSimon Glass guid - generate Globally Unique Identifier based on random UUID 15151aa4e8d0SSimon Glass 15161aa4e8d0SSimon Glass The two commands are very similar except for the endianness of the 15171aa4e8d0SSimon Glass output. 15181aa4e8d0SSimon Glass 151972a8cf8dSSimon Glassendmenu 152072a8cf8dSSimon Glass 15215cd9661dSLokesh Vutlasource "cmd/ti/Kconfig" 15225cd9661dSLokesh Vutla 152372a8cf8dSSimon Glassconfig CMD_BOOTSTAGE 152472a8cf8dSSimon Glass bool "Enable the 'bootstage' command" 152572a8cf8dSSimon Glass depends on BOOTSTAGE 152672a8cf8dSSimon Glass help 152772a8cf8dSSimon Glass Add a 'bootstage' command which supports printing a report 152872a8cf8dSSimon Glass and un/stashing of bootstage data. 152972a8cf8dSSimon Glass 153072a8cf8dSSimon Glassmenu "Power commands" 153172a8cf8dSSimon Glassconfig CMD_PMIC 153272a8cf8dSSimon Glass bool "Enable Driver Model PMIC command" 153372a8cf8dSSimon Glass depends on DM_PMIC 153472a8cf8dSSimon Glass help 153572a8cf8dSSimon Glass This is the pmic command, based on a driver model pmic's API. 153672a8cf8dSSimon Glass Command features are unchanged: 153772a8cf8dSSimon Glass - list - list pmic devices 153872a8cf8dSSimon Glass - pmic dev <id> - show or [set] operating pmic device (NEW) 153972a8cf8dSSimon Glass - pmic dump - dump registers 154072a8cf8dSSimon Glass - pmic read address - read byte of register at address 154172a8cf8dSSimon Glass - pmic write address - write byte to register at address 154272a8cf8dSSimon Glass The only one change for this command is 'dev' subcommand. 154372a8cf8dSSimon Glass 154472a8cf8dSSimon Glassconfig CMD_REGULATOR 154572a8cf8dSSimon Glass bool "Enable Driver Model REGULATOR command" 154672a8cf8dSSimon Glass depends on DM_REGULATOR 154772a8cf8dSSimon Glass help 154872a8cf8dSSimon Glass This command is based on driver model regulator's API. 154972a8cf8dSSimon Glass User interface features: 155072a8cf8dSSimon Glass - list - list regulator devices 155172a8cf8dSSimon Glass - regulator dev <id> - show or [set] operating regulator device 155272a8cf8dSSimon Glass - regulator info - print constraints info 155372a8cf8dSSimon Glass - regulator status - print operating status 155472a8cf8dSSimon Glass - regulator value <val] <-f> - print/[set] voltage value [uV] 155572a8cf8dSSimon Glass - regulator current <val> - print/[set] current value [uA] 155672a8cf8dSSimon Glass - regulator mode <id> - print/[set] operating mode id 155772a8cf8dSSimon Glass - regulator enable - enable the regulator output 155872a8cf8dSSimon Glass - regulator disable - disable the regulator output 155972a8cf8dSSimon Glass 156072a8cf8dSSimon Glass The '-f' (force) option can be used for set the value which exceeds 156172a8cf8dSSimon Glass the limits, which are found in device-tree and are kept in regulator's 156272a8cf8dSSimon Glass uclass platdata structure. 156372a8cf8dSSimon Glass 156472a8cf8dSSimon Glassendmenu 156572a8cf8dSSimon Glass 156672a8cf8dSSimon Glassmenu "Security commands" 1567b1a873dfSSimon Glassconfig CMD_AES 1568b1a873dfSSimon Glass bool "Enable the 'aes' command" 1569b1a873dfSSimon Glass select AES 1570b1a873dfSSimon Glass help 1571b1a873dfSSimon Glass This provides a means to encrypt and decrypt data using the AES 1572b1a873dfSSimon Glass (Advanced Encryption Standard). This algorithm uses a symetric key 1573b1a873dfSSimon Glass and is widely used as a streaming cipher. Different key lengths are 1574b1a873dfSSimon Glass supported by the algorithm but this command only supports 128 bits 1575b1a873dfSSimon Glass at present. 1576b1a873dfSSimon Glass 1577c04b9b34SSimon Glassconfig CMD_BLOB 1578c04b9b34SSimon Glass bool "Enable the 'blob' command" 1579c04b9b34SSimon Glass help 1580c04b9b34SSimon Glass This is used with the Freescale secure boot mechanism. 1581c04b9b34SSimon Glass 1582c04b9b34SSimon Glass Freescale's SEC block has built-in Blob Protocol which provides 1583c04b9b34SSimon Glass a method for protecting user-defined data across system power 1584c04b9b34SSimon Glass cycles. SEC block protects data in a data structure called a Blob, 1585c04b9b34SSimon Glass which provides both confidentiality and integrity protection. 1586c04b9b34SSimon Glass 1587c04b9b34SSimon Glass Encapsulating data as a blob 1588c04b9b34SSimon Glass Each time that the Blob Protocol is used to protect data, a 1589c04b9b34SSimon Glass different randomly generated key is used to encrypt the data. 1590c04b9b34SSimon Glass This random key is itself encrypted using a key which is derived 1591c04b9b34SSimon Glass from SoC's non-volatile secret key and a 16 bit Key identifier. 1592c04b9b34SSimon Glass The resulting encrypted key along with encrypted data is called a 1593c04b9b34SSimon Glass blob. The non-volatile secure key is available for use only during 1594c04b9b34SSimon Glass secure boot. 1595c04b9b34SSimon Glass 1596c04b9b34SSimon Glass During decapsulation, the reverse process is performed to get back 1597c04b9b34SSimon Glass the original data. 1598c04b9b34SSimon Glass 1599c04b9b34SSimon Glass Sub-commands: 1600c04b9b34SSimon Glass blob enc - encapsulating data as a cryptgraphic blob 1601c04b9b34SSimon Glass blob dec - decapsulating cryptgraphic blob to get the data 1602c04b9b34SSimon Glass 1603c04b9b34SSimon Glass Syntax: 1604c04b9b34SSimon Glass 1605c04b9b34SSimon Glass blob enc src dst len km 1606c04b9b34SSimon Glass 1607c04b9b34SSimon Glass Encapsulate and create blob of data $len bytes long 1608c04b9b34SSimon Glass at address $src and store the result at address $dst. 1609c04b9b34SSimon Glass $km is the 16 byte key modifier is also required for 1610c04b9b34SSimon Glass generation/use as key for cryptographic operation. Key 1611c04b9b34SSimon Glass modifier should be 16 byte long. 1612c04b9b34SSimon Glass 1613c04b9b34SSimon Glass blob dec src dst len km 1614c04b9b34SSimon Glass 1615c04b9b34SSimon Glass Decapsulate the blob of data at address $src and 1616c04b9b34SSimon Glass store result of $len byte at addr $dst. 1617c04b9b34SSimon Glass $km is the 16 byte key modifier is also required for 1618c04b9b34SSimon Glass generation/use as key for cryptographic operation. Key 1619c04b9b34SSimon Glass modifier should be 16 byte long. 1620c04b9b34SSimon Glass 1621551c3934SSimon Glassconfig CMD_HASH 1622551c3934SSimon Glass bool "Support 'hash' command" 1623d70f919eSSimon Glass select HASH 1624551c3934SSimon Glass help 1625551c3934SSimon Glass This provides a way to hash data in memory using various supported 1626551c3934SSimon Glass algorithms (such as SHA1, MD5, CRC32). The computed digest can be 1627551c3934SSimon Glass saved to memory or to an environment variable. It is also possible 1628551c3934SSimon Glass to verify a hash against data in memory. 1629551c3934SSimon Glass 1630666028fcSMichalis Pappasconfig CMD_HVC 1631666028fcSMichalis Pappas bool "Support the 'hvc' command" 1632666028fcSMichalis Pappas depends on ARM_SMCCC 1633666028fcSMichalis Pappas help 1634666028fcSMichalis Pappas Allows issuing Hypervisor Calls (HVCs). Mostly useful for 1635666028fcSMichalis Pappas development and testing. 1636666028fcSMichalis Pappas 1637666028fcSMichalis Pappasconfig CMD_SMC 1638666028fcSMichalis Pappas bool "Support the 'smc' command" 1639666028fcSMichalis Pappas depends on ARM_SMCCC 1640666028fcSMichalis Pappas help 1641666028fcSMichalis Pappas Allows issuing Secure Monitor Calls (SMCs). Mostly useful for 1642666028fcSMichalis Pappas development and testing. 1643666028fcSMichalis Pappas 1644221a949eSDaniel Thompsonconfig HASH_VERIFY 1645221a949eSDaniel Thompson bool "hash -v" 1646221a949eSDaniel Thompson depends on CMD_HASH 1647221a949eSDaniel Thompson help 1648221a949eSDaniel Thompson Add -v option to verify data against a hash. 1649221a949eSDaniel Thompson 16509f9ce3c3SMiquel Raynalconfig CMD_TPM_V1 16519f9ce3c3SMiquel Raynal bool 16529f9ce3c3SMiquel Raynal 16539f9ce3c3SMiquel Raynalconfig CMD_TPM_V2 16549f9ce3c3SMiquel Raynal bool 16553a8c8bffSTom Rini select CMD_LOG 16569f9ce3c3SMiquel Raynal 165772a8cf8dSSimon Glassconfig CMD_TPM 165872a8cf8dSSimon Glass bool "Enable the 'tpm' command" 16599f9ce3c3SMiquel Raynal depends on TPM_V1 || TPM_V2 16609f9ce3c3SMiquel Raynal select CMD_TPM_V1 if TPM_V1 16619f9ce3c3SMiquel Raynal select CMD_TPM_V2 if TPM_V2 166272a8cf8dSSimon Glass help 166372a8cf8dSSimon Glass This provides a means to talk to a TPM from the command line. A wide 166472a8cf8dSSimon Glass range of commands if provided - see 'tpm help' for details. The 166572a8cf8dSSimon Glass command requires a suitable TPM on your board and the correct driver 166672a8cf8dSSimon Glass must be enabled. 166772a8cf8dSSimon Glass 16689f9ce3c3SMiquel Raynalif CMD_TPM 16699f9ce3c3SMiquel Raynal 167072a8cf8dSSimon Glassconfig CMD_TPM_TEST 167172a8cf8dSSimon Glass bool "Enable the 'tpm test' command" 16729f9ce3c3SMiquel Raynal depends on TPM_V1 167372a8cf8dSSimon Glass help 16749f9ce3c3SMiquel Raynal This provides a a series of tests to confirm that the TPMv1.x is 16759f9ce3c3SMiquel Raynal working correctly. The tests cover initialisation, non-volatile RAM, 16769f9ce3c3SMiquel Raynal extend, global lock and checking that timing is within expectations. 16779f9ce3c3SMiquel Raynal The tests pass correctly on Infineon TPMs but may need to be adjusted 167872a8cf8dSSimon Glass for other devices. 167972a8cf8dSSimon Glass 16809f9ce3c3SMiquel Raynalendif 16819f9ce3c3SMiquel Raynal 168272a8cf8dSSimon Glassendmenu 168372a8cf8dSSimon Glass 1684bfeba017SMoritz Fischermenu "Firmware commands" 1685bfeba017SMoritz Fischerconfig CMD_CROS_EC 1686bfeba017SMoritz Fischer bool "Enable crosec command" 1687bfeba017SMoritz Fischer depends on CROS_EC 1688bfeba017SMoritz Fischer default y 1689bfeba017SMoritz Fischer help 1690bfeba017SMoritz Fischer Enable command-line access to the Chrome OS EC (Embedded 1691bfeba017SMoritz Fischer Controller). This provides the 'crosec' command which has 1692bfeba017SMoritz Fischer a number of sub-commands for performing EC tasks such as 1693bfeba017SMoritz Fischer updating its flash, accessing a small saved context area 1694bfeba017SMoritz Fischer and talking to the I2C bus behind the EC (if there is one). 1695bfeba017SMoritz Fischerendmenu 1696bfeba017SMoritz Fischer 1697ab8243e4SDinh Nguyenmenu "Filesystem commands" 16989d845509SMarek Behúnconfig CMD_BTRFS 16999d845509SMarek Behún bool "Enable the 'btrsubvol' command" 17009d845509SMarek Behún select FS_BTRFS 17019d845509SMarek Behún help 17029d845509SMarek Behún This enables the 'btrsubvol' command to list subvolumes 17039d845509SMarek Behún of a BTRFS filesystem. There are no special commands for 17049d845509SMarek Behún listing BTRFS directories or loading BTRFS files - this 17059d845509SMarek Behún can be done by the generic 'fs' commands (see CMD_FS_GENERIC) 17069d845509SMarek Behún when BTRFS is enabled (see FS_BTRFS). 17079d845509SMarek Behún 1708d66a10fcSSimon Glassconfig CMD_CBFS 1709d66a10fcSSimon Glass bool "Enable the 'cbfs' command" 1710deb95999SSimon Glass depends on FS_CBFS 1711d66a10fcSSimon Glass help 1712d66a10fcSSimon Glass Define this to enable support for reading from a Coreboot 1713d66a10fcSSimon Glass filesystem. This is a ROM-based filesystem used for accessing files 1714d66a10fcSSimon Glass on systems that use coreboot as the first boot-loader and then load 1715d66a10fcSSimon Glass U-Boot to actually boot the Operating System. Available commands are 1716d66a10fcSSimon Glass cbfsinit, cbfsinfo, cbfsls and cbfsload. 1717d66a10fcSSimon Glass 171897072747SSimon Glassconfig CMD_CRAMFS 171997072747SSimon Glass bool "Enable the 'cramfs' command" 172080e44cfeSSimon Glass depends on FS_CRAMFS 172197072747SSimon Glass help 172297072747SSimon Glass This provides commands for dealing with CRAMFS (Compressed ROM 172397072747SSimon Glass filesystem). CRAMFS is useful when space is tight since files are 172497072747SSimon Glass compressed. Two commands are provided: 172597072747SSimon Glass 172697072747SSimon Glass cramfsls - lists files in a cramfs image 172797072747SSimon Glass cramfsload - loads a file from a cramfs image 172897072747SSimon Glass 1729ab8243e4SDinh Nguyenconfig CMD_EXT2 1730ab8243e4SDinh Nguyen bool "ext2 command support" 17313d22bae5STuomas Tynkkynen select FS_EXT4 1732ab8243e4SDinh Nguyen help 1733ab8243e4SDinh Nguyen Enables EXT2 FS command 1734ab8243e4SDinh Nguyen 1735ab8243e4SDinh Nguyenconfig CMD_EXT4 1736ab8243e4SDinh Nguyen bool "ext4 command support" 17373d22bae5STuomas Tynkkynen select FS_EXT4 1738ab8243e4SDinh Nguyen help 1739ab8243e4SDinh Nguyen Enables EXT4 FS command 1740ab8243e4SDinh Nguyen 1741ab8243e4SDinh Nguyenconfig CMD_EXT4_WRITE 1742ab8243e4SDinh Nguyen depends on CMD_EXT4 1743ab8243e4SDinh Nguyen bool "ext4 write command support" 17443d22bae5STuomas Tynkkynen select EXT4_WRITE 1745ab8243e4SDinh Nguyen help 1746ab8243e4SDinh Nguyen Enables EXT4 FS write command 1747ab8243e4SDinh Nguyen 1748ab8243e4SDinh Nguyenconfig CMD_FAT 1749ab8243e4SDinh Nguyen bool "FAT command support" 1750eedfb89eSSekhar Nori select FS_FAT 1751ab8243e4SDinh Nguyen help 1752ab8243e4SDinh Nguyen Support for the FAT fs 1753ab8243e4SDinh Nguyen 1754ab8243e4SDinh Nguyenconfig CMD_FS_GENERIC 1755ab8243e4SDinh Nguyen bool "filesystem commands" 1756ab8243e4SDinh Nguyen help 1757ab8243e4SDinh Nguyen Enables filesystem commands (e.g. load, ls) that work for multiple 1758ab8243e4SDinh Nguyen fs types. 17590269dfaeSMaxime Ripard 1760efbe99ceSJosua Mayerconfig CMD_FS_UUID 1761efbe99ceSJosua Mayer bool "fsuuid command" 1762efbe99ceSJosua Mayer help 1763efbe99ceSJosua Mayer Enables fsuuid command for filesystem UUID. 1764efbe99ceSJosua Mayer 1765b8682a7fSSimon Glassconfig CMD_JFFS2 1766b8682a7fSSimon Glass bool "jffs2 command" 176759e12a4aSSimon Glass select FS_JFFS2 1768b8682a7fSSimon Glass help 1769b8682a7fSSimon Glass Enables commands to support the JFFS2 (Journalling Flash File System 1770b8682a7fSSimon Glass version 2) filesystem. This enables fsload, ls and fsinfo which 1771b8682a7fSSimon Glass provide the ability to load files, list directories and obtain 1772b8682a7fSSimon Glass filesystem information. 1773b8682a7fSSimon Glass 17740269dfaeSMaxime Ripardconfig CMD_MTDPARTS 17750269dfaeSMaxime Ripard bool "MTD partition support" 17769c5b0097SAdam Ford select MTD_DEVICE if (CMD_NAND || NAND) 17770269dfaeSMaxime Ripard help 1778938db6feSMiquel Raynal MTD partitioning tool support. 1779938db6feSMiquel Raynal It is strongly encouraged to avoid using this command 1780938db6feSMiquel Raynal anymore along with 'sf', 'nand', 'onenand'. One can still 1781938db6feSMiquel Raynal declare the partitions in the mtdparts environment variable 1782938db6feSMiquel Raynal but better use the MTD stack and the 'mtd' command instead. 17830269dfaeSMaxime Ripard 17840269dfaeSMaxime Ripardconfig MTDIDS_DEFAULT 17850269dfaeSMaxime Ripard string "Default MTD IDs" 178603303fb7SBoris Brezillon depends on MTD_PARTITIONS || CMD_MTDPARTS || CMD_NAND || CMD_FLASH 17870269dfaeSMaxime Ripard help 178843ede0bcSTom Rini Defines a default MTD IDs list for use with MTD partitions in the 178943ede0bcSTom Rini Linux MTD command line partitions format. 17900269dfaeSMaxime Ripard 17910269dfaeSMaxime Ripardconfig MTDPARTS_DEFAULT 17920269dfaeSMaxime Ripard string "Default MTD partition scheme" 179303303fb7SBoris Brezillon depends on MTD_PARTITIONS || CMD_MTDPARTS || CMD_NAND || CMD_FLASH 17940269dfaeSMaxime Ripard help 17950269dfaeSMaxime Ripard Defines a default MTD partitioning scheme in the Linux MTD command 17960269dfaeSMaxime Ripard line partitions format 17970269dfaeSMaxime Ripard 1798cb70e6cbSSimon Glassconfig CMD_MTDPARTS_SPREAD 1799cb70e6cbSSimon Glass bool "Padd partition size to take account of bad blocks" 1800cb70e6cbSSimon Glass depends on CMD_MTDPARTS 1801cb70e6cbSSimon Glass help 1802cb70e6cbSSimon Glass This enables the 'spread' sub-command of the mtdparts command. 1803cb70e6cbSSimon Glass This command will modify the existing mtdparts variable by increasing 1804cb70e6cbSSimon Glass the size of the partitions such that 1) each partition's net size is 1805cb70e6cbSSimon Glass at least as large as the size specified in the mtdparts variable and 1806cb70e6cbSSimon Glass 2) each partition starts on a good block. 1807cb70e6cbSSimon Glass 1808f8803a99SSimon Glassconfig CMD_REISER 1809f8803a99SSimon Glass bool "reiser - Access to reiserfs filesystems" 1810f8803a99SSimon Glass help 1811f8803a99SSimon Glass This provides two commands which operate on a resierfs filesystem, 1812f8803a99SSimon Glass commonly used some years ago: 1813f8803a99SSimon Glass 1814f8803a99SSimon Glass reiserls - list files 1815f8803a99SSimon Glass reiserload - load a file 1816f8803a99SSimon Glass 18177a764318SSimon Glassconfig CMD_YAFFS2 18187a764318SSimon Glass bool "yaffs2 - Access of YAFFS2 filesystem" 18197a764318SSimon Glass depends on YAFFS2 18207a764318SSimon Glass default y 18217a764318SSimon Glass help 18227a764318SSimon Glass This provides commands for accessing a YAFFS2 filesystem. Yet 18237a764318SSimon Glass Another Flash Filesystem 2 is a filesystem designed specifically 18247a764318SSimon Glass for NAND flash. It incorporates bad-block management and ensures 18257a764318SSimon Glass that device writes are sequential regardless of filesystem 18267a764318SSimon Glass activity. 18277a764318SSimon Glass 182854feea17SSimon Glassconfig CMD_ZFS 182954feea17SSimon Glass bool "zfs - Access of ZFS filesystem" 183054feea17SSimon Glass help 183154feea17SSimon Glass This provides commands to accessing a ZFS filesystem, commonly used 183254feea17SSimon Glass on Solaris systems. Two sub-commands are provided: 183354feea17SSimon Glass 183454feea17SSimon Glass zfsls - list files in a directory 183554feea17SSimon Glass zfsload - load a file 183654feea17SSimon Glass 183754feea17SSimon Glass See doc/README.zfs for more details. 183854feea17SSimon Glass 1839ab8243e4SDinh Nguyenendmenu 1840ab8243e4SDinh Nguyen 1841ac20a1b2SSimon Glassmenu "Debug commands" 1842ac20a1b2SSimon Glass 1843ac20a1b2SSimon Glassconfig CMD_BEDBUG 1844ac20a1b2SSimon Glass bool "bedbug" 1845ac20a1b2SSimon Glass help 1846ac20a1b2SSimon Glass The bedbug (emBEDded deBUGger) command provides debugging features 1847ac20a1b2SSimon Glass for some PowerPC processors. For details please see the 1848ac20a1b2SSimon Glass docuemntation in doc/README.beddbug 1849ac20a1b2SSimon Glass 18503bd25cb5SSimon Glassconfig CMD_DIAG 18513bd25cb5SSimon Glass bool "diag - Board diagnostics" 18523bd25cb5SSimon Glass help 18533bd25cb5SSimon Glass This command provides access to board diagnostic tests. These are 18543bd25cb5SSimon Glass called Power-on Self Tests (POST). The command allows listing of 18553bd25cb5SSimon Glass available tests and running either all the tests, or specific tests 18563bd25cb5SSimon Glass identified by name. 18573bd25cb5SSimon Glass 18581b330894SSimon Glassconfig CMD_IRQ 18591b330894SSimon Glass bool "irq - Show information about interrupts" 1860064b55cfSHeiko Schocher depends on !ARM && !MIPS && !SH 18611b330894SSimon Glass help 18621b330894SSimon Glass This enables two commands: 18631b330894SSimon Glass 18641b330894SSimon Glass interrupts - enable or disable interrupts 18651b330894SSimon Glass irqinfo - print device-specific interrupt information 18666bac227aSSimon Glass 18676bac227aSSimon Glassconfig CMD_KGDB 18686bac227aSSimon Glass bool "kgdb - Allow debugging of U-Boot with gdb" 1869b9205506SMichal Simek depends on PPC 18706bac227aSSimon Glass help 18716bac227aSSimon Glass This enables a 'kgdb' command which allows gdb to connect to U-Boot 18726bac227aSSimon Glass over a serial link for debugging purposes. This allows 18736bac227aSSimon Glass single-stepping, inspecting variables, etc. This is supported only 18746bac227aSSimon Glass on PowerPC at present. 18756bac227aSSimon Glass 1876d5f61f27SSimon Glassconfig CMD_LOG 1877d5f61f27SSimon Glass bool "log - Generation, control and access to logging" 187883a1f933SHeinrich Schuchardt select LOG 1879d5f61f27SSimon Glass help 1880d5f61f27SSimon Glass This provides access to logging features. It allows the output of 1881d5f61f27SSimon Glass log data to be controlled to a limited extent (setting up the default 1882ef11ed82SSimon Glass maximum log level for emitting of records). It also provides access 1883ef11ed82SSimon Glass to a command used for testing the log system. 1884d5f61f27SSimon Glass 1885ce058ae5SSimon Glassconfig CMD_TRACE 1886ce058ae5SSimon Glass bool "trace - Support tracing of function calls and timing" 1887ce058ae5SSimon Glass help 1888ce058ae5SSimon Glass Enables a command to control using of function tracing within 1889ce058ae5SSimon Glass U-Boot. This allows recording of call traces including timing 1890ce058ae5SSimon Glass information. The command can write data to memory for exporting 1891ce058ae5SSimon Glass for analsys (e.g. using bootchart). See doc/README.trace for full 1892ce058ae5SSimon Glass details. 1893ce058ae5SSimon Glass 189460b2f9e7SIgor Opaniukconfig CMD_AVB 189560b2f9e7SIgor Opaniuk bool "avb - Android Verified Boot 2.0 operations" 1896b0aa74a2SIgor Opaniuk depends on AVB_VERIFY 189760b2f9e7SIgor Opaniuk default n 189860b2f9e7SIgor Opaniuk help 189960b2f9e7SIgor Opaniuk Enables a "avb" command to perform verification of partitions using 190060b2f9e7SIgor Opaniuk Android Verified Boot 2.0 functionality. It includes such subcommands: 190160b2f9e7SIgor Opaniuk avb init - initialize avb2 subsystem 190260b2f9e7SIgor Opaniuk avb read_rb - read rollback index 190360b2f9e7SIgor Opaniuk avb write_rb - write rollback index 190460b2f9e7SIgor Opaniuk avb is_unlocked - check device lock state 190560b2f9e7SIgor Opaniuk avb get_uuid - read and print uuid of a partition 190660b2f9e7SIgor Opaniuk avb read_part - read data from partition 190760b2f9e7SIgor Opaniuk avb read_part_hex - read data from partition and output to stdout 190860b2f9e7SIgor Opaniuk avb write_part - write data to partition 190960b2f9e7SIgor Opaniuk avb verify - run full verification chain 1910ac20a1b2SSimon Glassendmenu 1911ac20a1b2SSimon Glass 19128f2fe0c8SHeiko Schocherconfig CMD_UBI 19138f2fe0c8SHeiko Schocher tristate "Enable UBI - Unsorted block images commands" 19148f2fe0c8SHeiko Schocher select CRC32 19158f2fe0c8SHeiko Schocher select MTD_UBI 19168f2fe0c8SHeiko Schocher help 19178f2fe0c8SHeiko Schocher UBI is a software layer above MTD layer which admits use of LVM-like 19188f2fe0c8SHeiko Schocher logical volumes on top of MTD devices, hides some complexities of 19198f2fe0c8SHeiko Schocher flash chips like wear and bad blocks and provides some other useful 19208f2fe0c8SHeiko Schocher capabilities. Please, consult the MTD web site for more details 19218f2fe0c8SHeiko Schocher (www.linux-mtd.infradead.org). Activate this option if you want 19228f2fe0c8SHeiko Schocher to use U-Boot UBI commands. 1923c58fb2cdSMiquel Raynal It is also strongly encouraged to also enable CONFIG_MTD to get full 1924c58fb2cdSMiquel Raynal partition support. 19258f2fe0c8SHeiko Schocher 1926173aafbfSBoris Brezillonconfig CMD_UBIFS 1927173aafbfSBoris Brezillon tristate "Enable UBIFS - Unsorted block images filesystem commands" 19282bc734b1SMaxime Ripard depends on CMD_UBI 19295ed063d1SMichal Simek default y if CMD_UBI 1930173aafbfSBoris Brezillon select CRC32 193124fc9531SKarl Beldan select LZO 1932173aafbfSBoris Brezillon help 1933173aafbfSBoris Brezillon UBIFS is a file system for flash devices which works on top of UBI. 1934173aafbfSBoris Brezillon 193572a8cf8dSSimon Glassendmenu 1936