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 2672a8cf8dSSimon Glassconfig SYS_PROMPT 2772a8cf8dSSimon Glass string "Shell prompt" 2872a8cf8dSSimon Glass default "=> " 2972a8cf8dSSimon Glass help 3072a8cf8dSSimon Glass This string is displayed in the command line to the left of the 3172a8cf8dSSimon Glass cursor. 3272a8cf8dSSimon Glass 3372a8cf8dSSimon Glassmenu "Autoboot options" 3472a8cf8dSSimon Glass 3541598c82SMasahiro Yamadaconfig AUTOBOOT 3641598c82SMasahiro Yamada bool "Autoboot" 3741598c82SMasahiro Yamada default y 3841598c82SMasahiro Yamada help 3941598c82SMasahiro Yamada This enables the autoboot. See doc/README.autoboot for detail. 4041598c82SMasahiro Yamada 4172a8cf8dSSimon Glassconfig AUTOBOOT_KEYED 4272a8cf8dSSimon Glass bool "Stop autobooting via specific input key / string" 4372a8cf8dSSimon Glass default n 4472a8cf8dSSimon Glass help 4572a8cf8dSSimon Glass This option enables stopping (aborting) of the automatic 4672a8cf8dSSimon Glass boot feature only by issuing a specific input key or 4772a8cf8dSSimon Glass string. If not enabled, any input key will abort the 4872a8cf8dSSimon Glass U-Boot automatic booting process and bring the device 4972a8cf8dSSimon Glass to the U-Boot prompt for user input. 5072a8cf8dSSimon Glass 5172a8cf8dSSimon Glassconfig AUTOBOOT_PROMPT 5272a8cf8dSSimon Glass string "Autoboot stop prompt" 5372a8cf8dSSimon Glass depends on AUTOBOOT_KEYED 5472a8cf8dSSimon Glass default "Autoboot in %d seconds\\n" 5572a8cf8dSSimon Glass help 5672a8cf8dSSimon Glass This string is displayed before the boot delay selected by 5772a8cf8dSSimon Glass CONFIG_BOOTDELAY starts. If it is not defined there is no 5872a8cf8dSSimon Glass output indicating that autoboot is in progress. 5972a8cf8dSSimon Glass 6072a8cf8dSSimon Glass Note that this define is used as the (only) argument to a 6172a8cf8dSSimon Glass printf() call, so it may contain '%' format specifications, 6272a8cf8dSSimon Glass provided that it also includes, sepearated by commas exactly 6372a8cf8dSSimon Glass like in a printf statement, the required arguments. It is 6472a8cf8dSSimon Glass the responsibility of the user to select only such arguments 6572a8cf8dSSimon Glass that are valid in the given context. 6672a8cf8dSSimon Glass 6772a8cf8dSSimon Glassconfig AUTOBOOT_ENCRYPTION 6872a8cf8dSSimon Glass bool "Enable encryption in autoboot stopping" 6972a8cf8dSSimon Glass depends on AUTOBOOT_KEYED 7072a8cf8dSSimon Glass default n 7172a8cf8dSSimon Glass 7272a8cf8dSSimon Glassconfig AUTOBOOT_DELAY_STR 7372a8cf8dSSimon Glass string "Delay autobooting via specific input key / string" 7472a8cf8dSSimon Glass depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION 7572a8cf8dSSimon Glass help 7672a8cf8dSSimon Glass This option delays the automatic boot feature by issuing 7772a8cf8dSSimon Glass a specific input key or string. If CONFIG_AUTOBOOT_DELAY_STR 7872a8cf8dSSimon Glass or the environment variable "bootdelaykey" is specified 7972a8cf8dSSimon Glass and this string is received from console input before 8072a8cf8dSSimon Glass autoboot starts booting, U-Boot gives a command prompt. The 8172a8cf8dSSimon Glass U-Boot prompt will time out if CONFIG_BOOT_RETRY_TIME is 8272a8cf8dSSimon Glass used, otherwise it never times out. 8372a8cf8dSSimon Glass 8472a8cf8dSSimon Glassconfig AUTOBOOT_STOP_STR 8572a8cf8dSSimon Glass string "Stop autobooting via specific input key / string" 8672a8cf8dSSimon Glass depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION 8772a8cf8dSSimon Glass help 8872a8cf8dSSimon Glass This option enables stopping (aborting) of the automatic 8972a8cf8dSSimon Glass boot feature only by issuing a specific input key or 9072a8cf8dSSimon Glass string. If CONFIG_AUTOBOOT_STOP_STR or the environment 9172a8cf8dSSimon Glass variable "bootstopkey" is specified and this string is 9272a8cf8dSSimon Glass received from console input before autoboot starts booting, 9372a8cf8dSSimon Glass U-Boot gives a command prompt. The U-Boot prompt never 9472a8cf8dSSimon Glass times out, even if CONFIG_BOOT_RETRY_TIME is used. 9572a8cf8dSSimon Glass 9672a8cf8dSSimon Glassconfig AUTOBOOT_KEYED_CTRLC 9772a8cf8dSSimon Glass bool "Enable Ctrl-C autoboot interruption" 9872a8cf8dSSimon Glass depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION 9972a8cf8dSSimon Glass default n 10072a8cf8dSSimon Glass help 10172a8cf8dSSimon Glass This option allows for the boot sequence to be interrupted 10272a8cf8dSSimon Glass by ctrl-c, in addition to the "bootdelaykey" and "bootstopkey". 10372a8cf8dSSimon Glass Setting this variable provides an escape sequence from the 10472a8cf8dSSimon Glass limited "password" strings. 10572a8cf8dSSimon Glass 10672a8cf8dSSimon Glassconfig AUTOBOOT_STOP_STR_SHA256 10772a8cf8dSSimon Glass string "Stop autobooting via SHA256 encrypted password" 10872a8cf8dSSimon Glass depends on AUTOBOOT_KEYED && AUTOBOOT_ENCRYPTION 10972a8cf8dSSimon Glass help 11072a8cf8dSSimon Glass This option adds the feature to only stop the autobooting, 11172a8cf8dSSimon Glass and therefore boot into the U-Boot prompt, when the input 11272a8cf8dSSimon Glass string / password matches a values that is encypted via 11372a8cf8dSSimon Glass a SHA256 hash and saved in the environment. 11472a8cf8dSSimon Glass 11572a8cf8dSSimon Glassendmenu 11672a8cf8dSSimon Glass 117e016f0b2SSteve Raesource "cmd/fastboot/Kconfig" 118e016f0b2SSteve Rae 11970c69668SSam Protsenkoconfig BUILD_BIN2C 12070c69668SSam Protsenko bool 12170c69668SSam Protsenko 12272a8cf8dSSimon Glasscomment "Commands" 12372a8cf8dSSimon Glass 12472a8cf8dSSimon Glassmenu "Info commands" 12572a8cf8dSSimon Glass 12672a8cf8dSSimon Glassconfig CMD_BDI 12772a8cf8dSSimon Glass bool "bdinfo" 12872a8cf8dSSimon Glass default y 12972a8cf8dSSimon Glass help 13072a8cf8dSSimon Glass Print board info 13172a8cf8dSSimon Glass 13261304dbeSMasahiro Yamadaconfig CMD_CONFIG 13361304dbeSMasahiro Yamada bool "config" 13461304dbeSMasahiro Yamada select BUILD_BIN2C 13561304dbeSMasahiro Yamada default SANDBOX 13661304dbeSMasahiro Yamada help 13761304dbeSMasahiro Yamada Print ".config" contents. 13861304dbeSMasahiro Yamada 13961304dbeSMasahiro Yamada If this option is enabled, the ".config" file contents are embedded 14061304dbeSMasahiro Yamada in the U-Boot image and can be printed on the console by the "config" 14161304dbeSMasahiro Yamada command. This provides information of which options are enabled on 14261304dbeSMasahiro Yamada the running U-Boot. 14361304dbeSMasahiro Yamada 14472a8cf8dSSimon Glassconfig CMD_CONSOLE 14572a8cf8dSSimon Glass bool "coninfo" 14672a8cf8dSSimon Glass default y 14772a8cf8dSSimon Glass help 14872a8cf8dSSimon Glass Print console devices and information. 14972a8cf8dSSimon Glass 15072a8cf8dSSimon Glassconfig CMD_CPU 15172a8cf8dSSimon Glass bool "cpu" 15272a8cf8dSSimon Glass help 15372a8cf8dSSimon Glass Print information about available CPUs. This normally shows the 15472a8cf8dSSimon Glass number of CPUs, type (e.g. manufacturer, architecture, product or 15572a8cf8dSSimon Glass internal name) and clock frequency. Other information may be 15672a8cf8dSSimon Glass available depending on the CPU driver. 15772a8cf8dSSimon Glass 15872a8cf8dSSimon Glassconfig CMD_LICENSE 15972a8cf8dSSimon Glass bool "license" 160d726f225SMasahiro Yamada select BUILD_BIN2C 16172a8cf8dSSimon Glass help 16272a8cf8dSSimon Glass Print GPL license text 16372a8cf8dSSimon Glass 164fa379223SChristophe Leroyconfig CMD_REGINFO 165fa379223SChristophe Leroy bool "reginfo" 166fa379223SChristophe Leroy depends on PPC 167fa379223SChristophe Leroy help 168fa379223SChristophe Leroy Register dump 169fa379223SChristophe Leroy 17072a8cf8dSSimon Glassendmenu 17172a8cf8dSSimon Glass 17272a8cf8dSSimon Glassmenu "Boot commands" 17372a8cf8dSSimon Glass 17472a8cf8dSSimon Glassconfig CMD_BOOTD 17572a8cf8dSSimon Glass bool "bootd" 17672a8cf8dSSimon Glass default y 17772a8cf8dSSimon Glass help 17872a8cf8dSSimon Glass Run the command stored in the environment "bootcmd", i.e. 17972a8cf8dSSimon Glass "bootd" does the same thing as "run bootcmd". 18072a8cf8dSSimon Glass 18172a8cf8dSSimon Glassconfig CMD_BOOTM 18272a8cf8dSSimon Glass bool "bootm" 18372a8cf8dSSimon Glass default y 18472a8cf8dSSimon Glass help 18572a8cf8dSSimon Glass Boot an application image from the memory. 18672a8cf8dSSimon Glass 187ab8243e4SDinh Nguyenconfig CMD_BOOTZ 188ab8243e4SDinh Nguyen bool "bootz" 189ab8243e4SDinh Nguyen help 190ab8243e4SDinh Nguyen Boot the Linux zImage 191ab8243e4SDinh Nguyen 19226959271SMasahiro Yamadaconfig CMD_BOOTI 19326959271SMasahiro Yamada bool "booti" 19426959271SMasahiro Yamada depends on ARM64 19526959271SMasahiro Yamada default y 19626959271SMasahiro Yamada help 19726959271SMasahiro Yamada Boot an AArch64 Linux Kernel image from memory. 19826959271SMasahiro Yamada 199b9939336SAlexander Grafconfig CMD_BOOTEFI 200b9939336SAlexander Graf bool "bootefi" 201b9939336SAlexander Graf depends on EFI_LOADER 202b9939336SAlexander Graf default y 203b9939336SAlexander Graf help 204b9939336SAlexander Graf Boot an EFI image from memory. 205b9939336SAlexander Graf 20695b62b2eSAlexander Grafconfig CMD_BOOTEFI_HELLO_COMPILE 20795b62b2eSAlexander Graf bool "Compile a standard EFI hello world binary for testing" 20895b62b2eSAlexander Graf depends on CMD_BOOTEFI && (ARM || X86) 20995b62b2eSAlexander Graf default y 21095b62b2eSAlexander Graf help 21195b62b2eSAlexander Graf This compiles a standard EFI hello world application with U-Boot so 21295b62b2eSAlexander Graf that it can be used with the test/py testing framework. This is useful 21395b62b2eSAlexander Graf for testing that EFI is working at a basic level, and for bringing 21495b62b2eSAlexander Graf up EFI support on a new architecture. 21595b62b2eSAlexander Graf 21695b62b2eSAlexander Graf No additional space will be required in the resulting U-Boot binary 21795b62b2eSAlexander Graf when this option is enabled. 21895b62b2eSAlexander Graf 219c7ae3dfdSSimon Glassconfig CMD_BOOTEFI_HELLO 220c7ae3dfdSSimon Glass bool "Allow booting a standard EFI hello world for testing" 22195b62b2eSAlexander Graf depends on CMD_BOOTEFI_HELLO_COMPILE 222c7ae3dfdSSimon Glass help 223c7ae3dfdSSimon Glass This adds a standard EFI hello world application to U-Boot so that 224c7ae3dfdSSimon Glass it can be used with the 'bootefi hello' command. This is useful 225c7ae3dfdSSimon Glass for testing that EFI is working at a basic level, and for bringing 226c7ae3dfdSSimon Glass up EFI support on a new architecture. 227c7ae3dfdSSimon Glass 2284880b026STom Riniconfig CMD_BOOTMENU 2294880b026STom Rini bool "bootmenu" 2304880b026STom Rini select MENU 2314880b026STom Rini help 2324880b026STom Rini Add an ANSI terminal boot menu command. 2334880b026STom Rini 2342967d2f7SSam Protsenkoconfig CMD_DTIMG 2352967d2f7SSam Protsenko bool "dtimg" 2362967d2f7SSam Protsenko help 2372967d2f7SSam Protsenko Android DTB/DTBO image manipulation commands. Read dtb/dtbo files from 2382967d2f7SSam Protsenko image into RAM, dump image structure information, etc. Those dtb/dtbo 2392967d2f7SSam Protsenko files should be merged in one dtb further, which needs to be passed to 2402967d2f7SSam Protsenko the kernel, as part of a boot process. 2412967d2f7SSam Protsenko 24272a8cf8dSSimon Glassconfig CMD_ELF 24372a8cf8dSSimon Glass bool "bootelf, bootvx" 24472a8cf8dSSimon Glass default y 24572a8cf8dSSimon Glass help 24672a8cf8dSSimon Glass Boot an ELF/vxWorks image from the memory. 24772a8cf8dSSimon Glass 24823922e26SMichal Simekconfig CMD_FDT 24923922e26SMichal Simek bool "Flattened Device Tree utility commands" 25023922e26SMichal Simek default y 25123922e26SMichal Simek depends on OF_LIBFDT 25223922e26SMichal Simek help 25323922e26SMichal Simek Do FDT related setup before booting into the Operating System. 25423922e26SMichal Simek 25572a8cf8dSSimon Glassconfig CMD_GO 25672a8cf8dSSimon Glass bool "go" 25772a8cf8dSSimon Glass default y 25872a8cf8dSSimon Glass help 25972a8cf8dSSimon Glass Start an application at a given address. 26072a8cf8dSSimon Glass 26172a8cf8dSSimon Glassconfig CMD_RUN 26272a8cf8dSSimon Glass bool "run" 26372a8cf8dSSimon Glass default y 26472a8cf8dSSimon Glass help 26572a8cf8dSSimon Glass Run the command in the given environment variable. 26672a8cf8dSSimon Glass 26772a8cf8dSSimon Glassconfig CMD_IMI 26872a8cf8dSSimon Glass bool "iminfo" 26972a8cf8dSSimon Glass default y 27072a8cf8dSSimon Glass help 27172a8cf8dSSimon Glass Print header information for application image. 27272a8cf8dSSimon Glass 27372a8cf8dSSimon Glassconfig CMD_IMLS 27472a8cf8dSSimon Glass bool "imls" 27572a8cf8dSSimon Glass default y 27672a8cf8dSSimon Glass help 27772a8cf8dSSimon Glass List all images found in flash 27872a8cf8dSSimon Glass 27972a8cf8dSSimon Glassconfig CMD_XIMG 28072a8cf8dSSimon Glass bool "imxtract" 28172a8cf8dSSimon Glass default y 28272a8cf8dSSimon Glass help 28372a8cf8dSSimon Glass Extract a part of a multi-image. 28472a8cf8dSSimon Glass 28572a8cf8dSSimon Glassconfig CMD_POWEROFF 286e05d5058SMichal Simek bool "poweroff" 287e05d5058SMichal Simek help 288e05d5058SMichal Simek Poweroff/Shutdown the system 28972a8cf8dSSimon Glass 29072c3033fSSimon Glassconfig CMD_SPL 29172c3033fSSimon Glass bool "spl export - Export boot information for Falcon boot" 29272c3033fSSimon Glass depends on SPL 29372c3033fSSimon Glass help 29472c3033fSSimon Glass Falcon mode allows booting directly from SPL into an Operating 29572c3033fSSimon Glass System such as Linux, thus skipping U-Boot proper. See 29672c3033fSSimon Glass doc/README.falcon for full information about how to use this 29772c3033fSSimon Glass command. 29872c3033fSSimon Glass 299203dc1b3SSimon Glassconfig CMD_SPL_NAND_OFS 300203dc1b3SSimon Glass hex "Offset of OS command line args for Falcon-mode NAND boot" 301203dc1b3SSimon Glass depends on CMD_SPL 302203dc1b3SSimon Glass default 0 303203dc1b3SSimon Glass help 304203dc1b3SSimon Glass This provides the offset of the command line arguments for Linux 305203dc1b3SSimon Glass when booting from NAND in Falcon mode. See doc/README.falcon 306203dc1b3SSimon Glass for full information about how to use this option (and also see 307203dc1b3SSimon Glass board/gateworks/gw_ventana/README for an example). 308203dc1b3SSimon Glass 3093a91a253SSimon Glassconfig CMD_SPL_WRITE_SIZE 3103a91a253SSimon Glass hex "Size of argument area" 3113a91a253SSimon Glass depends on CMD_SPL 3123a91a253SSimon Glass default 0x2000 3133a91a253SSimon Glass help 3143a91a253SSimon Glass This provides the size of the command-line argument area in NAND 3153a91a253SSimon Glass flash used by Falcon-mode boot. See the documentation until CMD_SPL 3163a91a253SSimon Glass for detail. 3173a91a253SSimon Glass 3189b92a8d7SSimon Glassconfig CMD_THOR_DOWNLOAD 3199b92a8d7SSimon Glass bool "thor - TIZEN 'thor' download" 3209b92a8d7SSimon Glass help 3219b92a8d7SSimon Glass Implements the 'thor' download protocol. This is a way of 3229b92a8d7SSimon Glass downloading a software update over USB from an attached host. 3239b92a8d7SSimon Glass There is no documentation about this within the U-Boot source code 3249b92a8d7SSimon Glass but you should be able to find something on the interwebs. 3259b92a8d7SSimon Glass 326e7a815f3SSimon Glassconfig CMD_ZBOOT 327e7a815f3SSimon Glass bool "zboot - x86 boot command" 328e7a815f3SSimon Glass help 329e7a815f3SSimon Glass With x86 machines it is common to boot a bzImage file which 330e7a815f3SSimon Glass contains both a kernel and a setup.bin file. The latter includes 331e7a815f3SSimon Glass configuration information from the dark ages which x86 boards still 332e7a815f3SSimon Glass need to pick things out of. 333e7a815f3SSimon Glass 334e7a815f3SSimon Glass Consider using FIT in preference to this since it supports directly 335e7a815f3SSimon Glass booting both 32- and 64-bit kernels, as well as secure boot. 336e7a815f3SSimon Glass Documentation is available in doc/uImage.FIT/x86-fit-boot.txt 337e7a815f3SSimon Glass 33872a8cf8dSSimon Glassendmenu 33972a8cf8dSSimon Glass 34072a8cf8dSSimon Glassmenu "Environment commands" 34172a8cf8dSSimon Glass 342ab8243e4SDinh Nguyenconfig CMD_ASKENV 343ab8243e4SDinh Nguyen bool "ask for env variable" 344ab8243e4SDinh Nguyen help 345ab8243e4SDinh Nguyen Ask for environment variable 346ab8243e4SDinh Nguyen 34772a8cf8dSSimon Glassconfig CMD_EXPORTENV 34872a8cf8dSSimon Glass bool "env export" 34972a8cf8dSSimon Glass default y 35072a8cf8dSSimon Glass help 35172a8cf8dSSimon Glass Export environments. 35272a8cf8dSSimon Glass 35372a8cf8dSSimon Glassconfig CMD_IMPORTENV 35472a8cf8dSSimon Glass bool "env import" 35572a8cf8dSSimon Glass default y 35672a8cf8dSSimon Glass help 35772a8cf8dSSimon Glass Import environments. 35872a8cf8dSSimon Glass 35972a8cf8dSSimon Glassconfig CMD_EDITENV 36072a8cf8dSSimon Glass bool "editenv" 36172a8cf8dSSimon Glass default y 36272a8cf8dSSimon Glass help 36372a8cf8dSSimon Glass Edit environment variable. 36472a8cf8dSSimon Glass 365ab8243e4SDinh Nguyenconfig CMD_GREPENV 366ab8243e4SDinh Nguyen bool "search env" 367ab8243e4SDinh Nguyen help 368ab8243e4SDinh Nguyen Allow for searching environment variables 369ab8243e4SDinh Nguyen 37072a8cf8dSSimon Glassconfig CMD_SAVEENV 37172a8cf8dSSimon Glass bool "saveenv" 37272a8cf8dSSimon Glass default y 37372a8cf8dSSimon Glass help 37472a8cf8dSSimon Glass Save all environment variables into the compiled-in persistent 37572a8cf8dSSimon Glass storage. 37672a8cf8dSSimon Glass 37772a8cf8dSSimon Glassconfig CMD_ENV_EXISTS 37872a8cf8dSSimon Glass bool "env exists" 37972a8cf8dSSimon Glass default y 38072a8cf8dSSimon Glass help 38172a8cf8dSSimon Glass Check if a variable is defined in the environment for use in 38272a8cf8dSSimon Glass shell scripting. 38372a8cf8dSSimon Glass 384a55d29d2SSimon Glassconfig CMD_ENV_CALLBACK 385a55d29d2SSimon Glass bool "env callbacks - print callbacks and their associated variables" 386a55d29d2SSimon Glass help 387a55d29d2SSimon Glass Some environment variable have callbacks defined by 388a55d29d2SSimon Glass U_BOOT_ENV_CALLBACK. These are called when the variable changes. 389a55d29d2SSimon Glass For example changing "baudrate" adjust the serial baud rate. This 390a55d29d2SSimon Glass command lists the currently defined callbacks. 391a55d29d2SSimon Glass 392ffc76589SSimon Glassconfig CMD_ENV_FLAGS 393ffc76589SSimon Glass bool "env flags -print variables that have non-default flags" 394ffc76589SSimon Glass help 395ffc76589SSimon Glass Some environment variables have special flags that control their 396ffc76589SSimon Glass behaviour. For example, serial# can only be written once and cannot 397ffc76589SSimon Glass be deleted. This command shows the variables that have special 398ffc76589SSimon Glass flags. 399ffc76589SSimon Glass 40072a8cf8dSSimon Glassendmenu 40172a8cf8dSSimon Glass 40272a8cf8dSSimon Glassmenu "Memory commands" 40372a8cf8dSSimon Glass 40472a8cf8dSSimon Glassconfig CMD_CRC32 40572a8cf8dSSimon Glass bool "crc32" 406d70f919eSSimon Glass select HASH 40772a8cf8dSSimon Glass default y 40872a8cf8dSSimon Glass help 40972a8cf8dSSimon Glass Compute CRC32. 41072a8cf8dSSimon Glass 411221a949eSDaniel Thompsonconfig CRC32_VERIFY 412221a949eSDaniel Thompson bool "crc32 -v" 413221a949eSDaniel Thompson depends on CMD_CRC32 414221a949eSDaniel Thompson help 415221a949eSDaniel Thompson Add -v option to verify data against a crc32 checksum. 416221a949eSDaniel Thompson 417a1dc980dSSimon Glassconfig CMD_EEPROM 418a1dc980dSSimon Glass bool "eeprom - EEPROM subsystem" 419a1dc980dSSimon Glass help 420a1dc980dSSimon Glass (deprecated, needs conversion to driver model) 421a1dc980dSSimon Glass Provides commands to read and write EEPROM (Electrically Erasable 422a1dc980dSSimon Glass Programmable Read Only Memory) chips that are connected over an 423a1dc980dSSimon Glass I2C bus. 424a1dc980dSSimon Glass 425a1dc980dSSimon Glassconfig CMD_EEPROM_LAYOUT 426a1dc980dSSimon Glass bool "Enable layout-aware eeprom commands" 427a1dc980dSSimon Glass depends on CMD_EEPROM 428a1dc980dSSimon Glass help 429a1dc980dSSimon Glass (deprecated, needs conversion to driver model) 430a1dc980dSSimon Glass When enabled, additional eeprom sub-commands become available. 431a1dc980dSSimon Glass 432a1dc980dSSimon Glass eeprom print - prints the contents of the eeprom in a human-readable 433a1dc980dSSimon Glass way (eeprom layout fields, and data formatted to be fit for human 434a1dc980dSSimon Glass consumption). 435a1dc980dSSimon Glass 436a1dc980dSSimon Glass eeprom update - allows user to update eeprom fields by specifying 437a1dc980dSSimon Glass the field name, and providing the new data in a human readable format 438a1dc980dSSimon Glass (same format as displayed by the eeprom print command). 439a1dc980dSSimon Glass 440a1dc980dSSimon Glass Both commands can either auto detect the layout, or be told which 441a1dc980dSSimon Glass layout to use. 442a1dc980dSSimon Glass 443a1dc980dSSimon Glass Feature API: 444a1dc980dSSimon Glass __weak int parse_layout_version(char *str) 445a1dc980dSSimon Glass - override to provide your own layout name parsing 446a1dc980dSSimon Glass __weak void __eeprom_layout_assign(struct eeprom_layout *layout, 447a1dc980dSSimon Glass int layout_version); 448a1dc980dSSimon Glass - override to setup the layout metadata based on the version 449a1dc980dSSimon Glass __weak int eeprom_layout_detect(unsigned char *data) 450a1dc980dSSimon Glass - override to provide your own algorithm for detecting layout 451a1dc980dSSimon Glass version 452a1dc980dSSimon Glass eeprom_field.c 453a1dc980dSSimon Glass - contains various printing and updating functions for common 454a1dc980dSSimon Glass types of eeprom fields. Can be used for defining 455a1dc980dSSimon Glass custom layouts. 456a1dc980dSSimon Glass 457a1dc980dSSimon Glassconfig EEPROM_LAYOUT_HELP_STRING 458a1dc980dSSimon Glass string "Tells user what layout names are supported" 459a1dc980dSSimon Glass depends on CMD_EEPROM_LAYOUT 460a1dc980dSSimon Glass default "<not defined>" 461a1dc980dSSimon Glass help 462a1dc980dSSimon Glass Help printed with the LAYOUT VERSIONS part of the 'eeprom' 463a1dc980dSSimon Glass command's help. 464a1dc980dSSimon Glass 465ba71be54SSimon Glassconfig LOOPW 466ba71be54SSimon Glass bool "loopw" 467ba71be54SSimon Glass help 468ba71be54SSimon Glass Infinite write loop on address range 469ba71be54SSimon Glass 470bea79d7dSAndre Przywaraconfig CMD_MD5SUM 471bea79d7dSAndre Przywara bool "md5sum" 472bea79d7dSAndre Przywara default n 473bea79d7dSAndre Przywara select MD5 474bea79d7dSAndre Przywara help 475bea79d7dSAndre Przywara Compute MD5 checksum. 476bea79d7dSAndre Przywara 477221a949eSDaniel Thompsonconfig MD5SUM_VERIFY 478bea79d7dSAndre Przywara bool "md5sum -v" 479bea79d7dSAndre Przywara default n 480bea79d7dSAndre Przywara depends on CMD_MD5SUM 481bea79d7dSAndre Przywara help 482bea79d7dSAndre Przywara Add -v option to verify data against an MD5 checksum. 483bea79d7dSAndre Przywara 484ba71be54SSimon Glassconfig CMD_MEMINFO 485ba71be54SSimon Glass bool "meminfo" 486221a949eSDaniel Thompson help 487ba71be54SSimon Glass Display memory information. 488221a949eSDaniel Thompson 489ba71be54SSimon Glassconfig CMD_MEMORY 490ba71be54SSimon Glass bool "md, mm, nm, mw, cp, cmp, base, loop" 491ba71be54SSimon Glass default y 492221a949eSDaniel Thompson help 493ba71be54SSimon Glass Memory commands. 494ba71be54SSimon Glass md - memory display 495ba71be54SSimon Glass mm - memory modify (auto-incrementing address) 496ba71be54SSimon Glass nm - memory modify (constant address) 497ba71be54SSimon Glass mw - memory write (fill) 498ba71be54SSimon Glass cp - memory copy 499ba71be54SSimon Glass cmp - memory compare 500ba71be54SSimon Glass base - print or set address offset 501ba71be54SSimon Glass loop - initialize loop on address range 50272a8cf8dSSimon Glass 50372a8cf8dSSimon Glassconfig CMD_MEMTEST 50472a8cf8dSSimon Glass bool "memtest" 50572a8cf8dSSimon Glass help 50672a8cf8dSSimon Glass Simple RAM read/write test. 50772a8cf8dSSimon Glass 50872a8cf8dSSimon Glassconfig CMD_MX_CYCLIC 50972a8cf8dSSimon Glass bool "mdc, mwc" 51072a8cf8dSSimon Glass help 51172a8cf8dSSimon Glass mdc - memory display cyclic 51272a8cf8dSSimon Glass mwc - memory write cyclic 51372a8cf8dSSimon Glass 514ba71be54SSimon Glassconfig CMD_SHA1SUM 515ba71be54SSimon Glass bool "sha1sum" 516ba71be54SSimon Glass select SHA1 51772a8cf8dSSimon Glass help 518ba71be54SSimon Glass Compute SHA1 checksum. 519ba71be54SSimon Glass 520ba71be54SSimon Glassconfig SHA1SUM_VERIFY 521ba71be54SSimon Glass bool "sha1sum -v" 522ba71be54SSimon Glass depends on CMD_SHA1SUM 523ba71be54SSimon Glass help 524ba71be54SSimon Glass Add -v option to verify data against a SHA1 checksum. 52572a8cf8dSSimon Glass 52600805d7aSSimon Glassconfig CMD_STRINGS 52700805d7aSSimon Glass bool "strings - display strings in memory" 52800805d7aSSimon Glass help 52900805d7aSSimon Glass This works similarly to the Unix 'strings' command except that it 53000805d7aSSimon Glass works with a memory range. String of printable characters found 53100805d7aSSimon Glass within the range are displayed. The minimum number of characters 53200805d7aSSimon Glass for a sequence to be considered a string can be provided. 53300805d7aSSimon Glass 534ee7c0e71SSimon Glassendmenu 535ee7c0e71SSimon Glass 536ee7c0e71SSimon Glassmenu "Compression commands" 537ee7c0e71SSimon Glass 538ee7c0e71SSimon Glassconfig CMD_LZMADEC 539ee7c0e71SSimon Glass bool "lzmadec" 540fafa35c5STom Rini default y if CMD_BOOTI 541ee7c0e71SSimon Glass select LZMA 542ee7c0e71SSimon Glass help 543ee7c0e71SSimon Glass Support decompressing an LZMA (Lempel-Ziv-Markov chain algorithm) 544ee7c0e71SSimon Glass image from memory. 545ee7c0e71SSimon Glass 546e9d33e73SMasahiro Yamadaconfig CMD_UNZIP 547e9d33e73SMasahiro Yamada bool "unzip" 548fafa35c5STom Rini default y if CMD_BOOTI 549e9d33e73SMasahiro Yamada help 550e9d33e73SMasahiro Yamada Uncompress a zip-compressed memory region. 551e9d33e73SMasahiro Yamada 552e9d33e73SMasahiro Yamadaconfig CMD_ZIP 553e9d33e73SMasahiro Yamada bool "zip" 554e9d33e73SMasahiro Yamada help 555e9d33e73SMasahiro Yamada Compress a memory region with zlib deflate method. 556e9d33e73SMasahiro Yamada 55772a8cf8dSSimon Glassendmenu 55872a8cf8dSSimon Glass 55972a8cf8dSSimon Glassmenu "Device access commands" 56072a8cf8dSSimon Glass 5610c19b4d1SSimon Glassconfig CMD_ARMFLASH 5620c19b4d1SSimon Glass #depends on FLASH_CFI_DRIVER 5630c19b4d1SSimon Glass bool "armflash" 5640c19b4d1SSimon Glass help 5650c19b4d1SSimon Glass ARM Ltd reference designs flash partition access 5660c19b4d1SSimon Glass 567d315628eSSimon Glassconfig CMD_CLK 568d315628eSSimon Glass bool "clk - Show clock frequencies" 569d315628eSSimon Glass help 570d315628eSSimon Glass (deprecated) 571d315628eSSimon Glass Shows clock frequences by calling a sock_clk_dump() hook function. 572d315628eSSimon Glass This is depreated in favour of using the CLK uclass and accessing 573d315628eSSimon Glass clock values from associated drivers. However currently no command 574d315628eSSimon Glass exists for this. 575d315628eSSimon Glass 57672a8cf8dSSimon Glassconfig CMD_DEMO 57772a8cf8dSSimon Glass bool "demo - Demonstration commands for driver model" 57872a8cf8dSSimon Glass depends on DM 57972a8cf8dSSimon Glass help 58072a8cf8dSSimon Glass Provides a 'demo' command which can be used to play around with 58172a8cf8dSSimon Glass driver model. To use this properly you will need to enable one or 58272a8cf8dSSimon Glass both of the demo devices (DM_DEMO_SHAPE and DM_DEMO_SIMPLE). 58372a8cf8dSSimon Glass Otherwise you will always get an empty list of devices. The demo 58472a8cf8dSSimon Glass devices are defined in the sandbox device tree, so the easiest 58572a8cf8dSSimon Glass option is to use sandbox and pass the -d point to sandbox's 58672a8cf8dSSimon Glass u-boot.dtb file. 58772a8cf8dSSimon Glass 5880c19b4d1SSimon Glassconfig CMD_DFU 5890c19b4d1SSimon Glass bool "dfu" 5900c19b4d1SSimon Glass select USB_FUNCTION_DFU 5910c19b4d1SSimon Glass help 5920c19b4d1SSimon Glass Enables the command "dfu" which is used to have U-Boot create a DFU 59300fd59ddSSimon Glass class device via USB. This command requires that the "dfu_alt_info" 59400fd59ddSSimon Glass environment variable be set and define the alt settings to expose to 59500fd59ddSSimon Glass the host. 5960c19b4d1SSimon Glass 5970c19b4d1SSimon Glassconfig CMD_DM 5980c19b4d1SSimon Glass bool "dm - Access to driver model information" 5990c19b4d1SSimon Glass depends on DM 6000c19b4d1SSimon Glass default y 6010c19b4d1SSimon Glass help 6020c19b4d1SSimon Glass Provides access to driver model data structures and information, 6030c19b4d1SSimon Glass such as a list of devices, list of uclasses and the state of each 6040c19b4d1SSimon Glass device (e.g. activated). This is not required for operation, but 6050c19b4d1SSimon Glass can be useful to see the state of driver model for debugging or 6060c19b4d1SSimon Glass interest. 6070c19b4d1SSimon Glass 6080c19b4d1SSimon Glassconfig CMD_FDC 6090c19b4d1SSimon Glass bool "fdcboot - Boot from floppy device" 6100c19b4d1SSimon Glass help 6110c19b4d1SSimon Glass The 'fdtboot' command allows booting an image from a floppy disk. 6120c19b4d1SSimon Glass 6130c19b4d1SSimon Glassconfig CMD_FLASH 6140c19b4d1SSimon Glass bool "flinfo, erase, protect" 6150c19b4d1SSimon Glass default y 6160c19b4d1SSimon Glass help 6170c19b4d1SSimon Glass NOR flash support. 6180c19b4d1SSimon Glass flinfo - print FLASH memory information 6190c19b4d1SSimon Glass erase - FLASH memory 6200c19b4d1SSimon Glass protect - enable or disable FLASH write protection 6210c19b4d1SSimon Glass 6220c19b4d1SSimon Glassconfig CMD_FPGA 6230c19b4d1SSimon Glass bool "fpga" 6240c19b4d1SSimon Glass default y 6250c19b4d1SSimon Glass help 6260c19b4d1SSimon Glass FPGA support. 6270c19b4d1SSimon Glass 6280c19b4d1SSimon Glassconfig CMD_FPGA_LOADBP 6290c19b4d1SSimon Glass bool "fpga loadbp - load partial bitstream (Xilinx only)" 6300c19b4d1SSimon Glass depends on CMD_FPGA 6310c19b4d1SSimon Glass help 6320c19b4d1SSimon Glass Supports loading an FPGA device from a bitstream buffer containing 6330c19b4d1SSimon Glass a partial bitstream. 6340c19b4d1SSimon Glass 6350c19b4d1SSimon Glassconfig CMD_FPGA_LOADFS 6360c19b4d1SSimon Glass bool "fpga loadfs - load bitstream from FAT filesystem (Xilinx only)" 6370c19b4d1SSimon Glass depends on CMD_FPGA 6380c19b4d1SSimon Glass help 6390c19b4d1SSimon Glass Supports loading an FPGA device from a FAT filesystem. 6400c19b4d1SSimon Glass 6410c19b4d1SSimon Glassconfig CMD_FPGA_LOADMK 6420c19b4d1SSimon Glass bool "fpga loadmk - load bitstream from image" 6430c19b4d1SSimon Glass depends on CMD_FPGA 6440c19b4d1SSimon Glass help 6450c19b4d1SSimon Glass Supports loading an FPGA device from a image generated by mkimage. 6460c19b4d1SSimon Glass 6470c19b4d1SSimon Glassconfig CMD_FPGA_LOADP 6480c19b4d1SSimon Glass bool "fpga loadp - load partial bitstream" 6490c19b4d1SSimon Glass depends on CMD_FPGA 6500c19b4d1SSimon Glass help 6510c19b4d1SSimon Glass Supports loading an FPGA device from a bitstream buffer containing 6520c19b4d1SSimon Glass a partial bitstream. 6530c19b4d1SSimon Glass 6540c19b4d1SSimon Glassconfig CMD_FPGAD 6550c19b4d1SSimon Glass bool "fpgad - dump FPGA registers" 6560c19b4d1SSimon Glass help 6570c19b4d1SSimon Glass (legacy, needs conversion to driver model) 6580c19b4d1SSimon Glass Provides a way to dump FPGA registers by calling the board-specific 6590c19b4d1SSimon Glass fpga_get_reg() function. This functions similarly to the 'md' 6600c19b4d1SSimon Glass command. 6610c19b4d1SSimon Glass 6620c19b4d1SSimon Glassconfig CMD_FUSE 6630c19b4d1SSimon Glass bool "fuse - support for the fuse subssystem" 6640c19b4d1SSimon Glass help 6650c19b4d1SSimon Glass (deprecated - needs conversion to driver model) 6660c19b4d1SSimon Glass This allows reading, sensing, programming or overriding fuses 6670c19b4d1SSimon Glass which control the behaviour of the device. The command uses the 6680c19b4d1SSimon Glass fuse_...() API. 6690c19b4d1SSimon Glass 6700c19b4d1SSimon Glassconfig CMD_GPIO 6710c19b4d1SSimon Glass bool "gpio" 6720c19b4d1SSimon Glass help 6730c19b4d1SSimon Glass GPIO support. 6740c19b4d1SSimon Glass 6750c19b4d1SSimon Glassconfig CMD_GPT 6760c19b4d1SSimon Glass bool "GPT (GUID Partition Table) command" 6770c19b4d1SSimon Glass select PARTITION_UUIDS 6780c19b4d1SSimon Glass select EFI_PARTITION 67914464b32SMaxime Ripard imply RANDOM_UUID 6800c19b4d1SSimon Glass help 6810c19b4d1SSimon Glass Enable the 'gpt' command to ready and write GPT style partition 6820c19b4d1SSimon Glass tables. 6830c19b4d1SSimon Glass 68414464b32SMaxime Ripardconfig RANDOM_UUID 68514464b32SMaxime Ripard bool "GPT Random UUID generation" 68614464b32SMaxime Ripard help 68714464b32SMaxime Ripard Enable the generation of partitions with random UUIDs if none 68814464b32SMaxime Ripard are provided. 68914464b32SMaxime Ripard 6900c19b4d1SSimon Glassconfig CMD_GPT_RENAME 6910c19b4d1SSimon Glass bool "GPT partition renaming commands" 6920c19b4d1SSimon Glass depends on CMD_GPT 6930c19b4d1SSimon Glass help 6940c19b4d1SSimon Glass Enables the 'gpt' command to interchange names on two GPT 6950c19b4d1SSimon Glass partitions via the 'gpt swap' command or to rename single 6960c19b4d1SSimon Glass partitions via the 'rename' command. 6970c19b4d1SSimon Glass 69875eb9976SSimon Glassconfig CMD_IDE 69975eb9976SSimon Glass bool "ide - Support for IDE drivers" 700fc843a02SSimon Glass select IDE 70175eb9976SSimon Glass help 70275eb9976SSimon Glass Provides an 'ide' command which allows accessing the IDE drive, 70375eb9976SSimon Glass reseting the IDE interface, printing the partition table and 70475eb9976SSimon Glass geting device info. It also enables the 'diskboot' command which 70575eb9976SSimon Glass permits booting from an IDE drive. 70675eb9976SSimon Glass 707594e8d1cSSimon Glassconfig CMD_IO 708594e8d1cSSimon Glass bool "io - Support for performing I/O accesses" 709594e8d1cSSimon Glass help 710594e8d1cSSimon Glass Provides an 'iod' command to display I/O space and an 'iow' command 711594e8d1cSSimon Glass to write values to the I/O space. This can be useful for manually 712594e8d1cSSimon Glass checking the state of devices during boot when debugging device 713594e8d1cSSimon Glass drivers, etc. 714594e8d1cSSimon Glass 7157d0f5c13SSimon Glassconfig CMD_IOTRACE 7167d0f5c13SSimon Glass bool "iotrace - Support for tracing I/O activity" 7177d0f5c13SSimon Glass help 7187d0f5c13SSimon Glass Provides an 'iotrace' command which supports recording I/O reads and 7197d0f5c13SSimon Glass writes in a trace buffer in memory . It also maintains a checksum 7207d0f5c13SSimon Glass of the trace records (even if space is exhausted) so that the 7217d0f5c13SSimon Glass sequence of I/O accesses can be verified. 7227d0f5c13SSimon Glass 7237d0f5c13SSimon Glass When debugging drivers it is useful to see what I/O accesses were 7247d0f5c13SSimon Glass done and in what order. 7257d0f5c13SSimon Glass 7267d0f5c13SSimon Glass Even if the individual accesses are of little interest it can be 7277d0f5c13SSimon Glass useful to verify that the access pattern is consistent each time 7287d0f5c13SSimon Glass an operation is performed. In this case a checksum can be used to 7297d0f5c13SSimon Glass characterise the operation of a driver. The checksum can be compared 7307d0f5c13SSimon Glass across different runs of the operation to verify that the driver is 7317d0f5c13SSimon Glass working properly. 7327d0f5c13SSimon Glass 7337d0f5c13SSimon Glass In particular, when performing major refactoring of the driver, where 7347d0f5c13SSimon Glass the access pattern should not change, the checksum provides assurance 7357d0f5c13SSimon Glass that the refactoring work has not broken the driver. 7367d0f5c13SSimon Glass 7377d0f5c13SSimon Glass This works by sneaking into the io.h heder for an architecture and 7387d0f5c13SSimon Glass redirecting I/O accesses through iotrace's tracing mechanism. 7397d0f5c13SSimon Glass 7407d0f5c13SSimon Glass For now no commands are provided to examine the trace buffer. The 7417d0f5c13SSimon Glass format is fairly simple, so 'md' is a reasonable substitute. 7427d0f5c13SSimon Glass 7437d0f5c13SSimon Glass Note: The checksum feature is only useful for I/O regions where the 7447d0f5c13SSimon Glass contents do not change outside of software control. Where this is not 7457d0f5c13SSimon Glass suitable you can fall back to manually comparing the addresses. It 7467d0f5c13SSimon Glass might be useful to enhance tracing to only checksum the accesses and 7477d0f5c13SSimon Glass not the data read/written. 7487d0f5c13SSimon Glass 7490c19b4d1SSimon Glassconfig CMD_I2C 7500c19b4d1SSimon Glass bool "i2c" 7510c19b4d1SSimon Glass help 7520c19b4d1SSimon Glass I2C support. 7530c19b4d1SSimon Glass 75472a8cf8dSSimon Glassconfig CMD_LOADB 75572a8cf8dSSimon Glass bool "loadb" 75672a8cf8dSSimon Glass default y 75772a8cf8dSSimon Glass help 75872a8cf8dSSimon Glass Load a binary file over serial line. 75972a8cf8dSSimon Glass 76072a8cf8dSSimon Glassconfig CMD_LOADS 76172a8cf8dSSimon Glass bool "loads" 76272a8cf8dSSimon Glass default y 76372a8cf8dSSimon Glass help 76472a8cf8dSSimon Glass Load an S-Record file over serial line 76572a8cf8dSSimon Glass 76683a51ebaSAlex Deymoconfig CMD_LOAD_ANDROID 76783a51ebaSAlex Deymo bool "load_android" 76883a51ebaSAlex Deymo default n 76983a51ebaSAlex Deymo depends on ANDROID_BOOT_IMAGE 77083a51ebaSAlex Deymo help 77183a51ebaSAlex Deymo Load an Android Boot image from storage. The Android Boot images 77283a51ebaSAlex Deymo define the size and kernel address on the header, which are used by 77383a51ebaSAlex Deymo this command. 77483a51ebaSAlex Deymo 77506f4a874SAlex Deymoconfig CMD_BOOT_ANDROID 77606f4a874SAlex Deymo bool "boot_android" 77706f4a874SAlex Deymo default n 77806f4a874SAlex Deymo depends on ANDROID_BOOTLOADER 77906f4a874SAlex Deymo help 78006f4a874SAlex Deymo Performs the Android Bootloader boot flow, loading the appropriate 78106f4a874SAlex Deymo Android image (normal kernel, recovery kernel or "bootloader" mode) 78206f4a874SAlex Deymo and booting it. The boot mode is determined by the contents of the 78306f4a874SAlex Deymo Android Bootloader Message. 78406f4a874SAlex Deymo 785180cc7c6SAlex Deymoconfig CMD_ANDROID_AB_SELECT 786180cc7c6SAlex Deymo bool "android_ab_select" 787180cc7c6SAlex Deymo default n 788180cc7c6SAlex Deymo depends on ANDROID_AB 789180cc7c6SAlex Deymo help 790180cc7c6SAlex Deymo On Android devices with more than one boot slot (multiple copies of 791180cc7c6SAlex Deymo the kernel and system images) this provides a command to select which 792180cc7c6SAlex Deymo slot should be used to boot from and register the boot attempt. This 793180cc7c6SAlex Deymo is used by the new A/B update model where one slot is updated in the 794180cc7c6SAlex Deymo background while running from the other slot. 795180cc7c6SAlex Deymo 796a0e58cf2SKever Yangconfig CMD_BOOT_ROCKCHIP 797a0e58cf2SKever Yang bool "boot_rockchip" 798a0e58cf2SKever Yang default n 799a0e58cf2SKever Yang depends on RKIMG_BOOTLOADER 800a0e58cf2SKever Yang help 801a0e58cf2SKever Yang Performs the Rockchip Bootloader boot flow, loading the appropriate 802a0e58cf2SKever Yang Rockchip image (normal kernel, boot, resource and revocery) 803a0e58cf2SKever Yang and booting it. The boot mode is determined by the contents of the 804a0e58cf2SKever Yang Rockchip bootloader helper. 805a0e58cf2SKever Yang 806ab8243e4SDinh Nguyenconfig CMD_MMC 807ab8243e4SDinh Nguyen bool "mmc" 808ab8243e4SDinh Nguyen help 809ab8243e4SDinh Nguyen MMC memory mapped support. 810ab8243e4SDinh Nguyen 81172a8cf8dSSimon Glassconfig CMD_NAND 81272a8cf8dSSimon Glass bool "nand" 813522c282fSMaxime Ripard default y if NAND_SUNXI 81472a8cf8dSSimon Glass help 81572a8cf8dSSimon Glass NAND support. 81672a8cf8dSSimon Glass 817e915d201SBoris Brezillonif CMD_NAND 818e915d201SBoris Brezillonconfig CMD_NAND_TRIMFFS 819e915d201SBoris Brezillon bool "nand write.trimffs" 820d482a8dfSHans de Goede default y if ARCH_SUNXI 821e915d201SBoris Brezillon help 822e915d201SBoris Brezillon Allows one to skip empty pages when flashing something on a NAND. 823e915d201SBoris Brezillon 824e915d201SBoris Brezillonconfig CMD_NAND_LOCK_UNLOCK 825e915d201SBoris Brezillon bool "nand lock/unlock" 826e915d201SBoris Brezillon help 827e915d201SBoris Brezillon NAND locking support. 828e915d201SBoris Brezillon 829e915d201SBoris Brezillonconfig CMD_NAND_TORTURE 830e915d201SBoris Brezillon bool "nand torture" 831e915d201SBoris Brezillon help 832e915d201SBoris Brezillon NAND torture support. 833e915d201SBoris Brezillon 834e915d201SBoris Brezillonendif # CMD_NAND 835e915d201SBoris Brezillon 8360adc38beSZhikang Zhangconfig CMD_NVME 8370adc38beSZhikang Zhang bool "nvme" 8380adc38beSZhikang Zhang depends on NVME 8390adc38beSZhikang Zhang default y if NVME 8400adc38beSZhikang Zhang help 8410adc38beSZhikang Zhang NVM Express device support 8420adc38beSZhikang Zhang 843f38c5f52SSimon Glassconfig CMD_MMC_SPI 844f38c5f52SSimon Glass bool "mmc_spi - Set up MMC SPI device" 845f38c5f52SSimon Glass help 846f38c5f52SSimon Glass Provides a way to set up an MMC (Multimedia Card) SPI (Serial 847f38c5f52SSimon Glass Peripheral Interface) device. The device provides a means of 848f38c5f52SSimon Glass accessing an MMC device via SPI using a single data line, limited 849f38c5f52SSimon Glass to 20MHz. It is useful since it reduces the amount of protocol code 850f38c5f52SSimon Glass required. 851f38c5f52SSimon Glass 852978f0854SSimon Glassconfig CMD_ONENAND 853978f0854SSimon Glass bool "onenand - access to onenand device" 854978f0854SSimon Glass help 855978f0854SSimon Glass OneNAND is a brand of NAND ('Not AND' gate) flash which provides 856978f0854SSimon Glass various useful features. This command allows reading, writing, 857978f0854SSimon Glass and erasing blocks. It allso provides a way to show and change 858978f0854SSimon Glass bad blocks, and test the device. 859978f0854SSimon Glass 860b331cd62SPatrick Delaunayconfig CMD_PART 861b331cd62SPatrick Delaunay bool "part" 862b331cd62SPatrick Delaunay select PARTITION_UUIDS 863b331cd62SPatrick Delaunay help 864b331cd62SPatrick Delaunay Read and display information about the partition table on 865b331cd62SPatrick Delaunay various media. 866b331cd62SPatrick Delaunay 8676500ec7aSSimon Glassconfig CMD_PCI 8686500ec7aSSimon Glass bool "pci - Access PCI devices" 8696500ec7aSSimon Glass help 8706500ec7aSSimon Glass Provide access to PCI (Peripheral Interconnect Bus), a type of bus 8716500ec7aSSimon Glass used on some devices to allow the CPU to communicate with its 8726500ec7aSSimon Glass peripherals. Sub-commands allow bus enumeration, displaying and 8736500ec7aSSimon Glass changing configuration space and a few other features. 8746500ec7aSSimon Glass 8757f666555SSimon Glassconfig CMD_PCMCIA 8767f666555SSimon Glass bool "pinit - Set up PCMCIA device" 8777f666555SSimon Glass help 8787f666555SSimon Glass Provides a means to initialise a PCMCIA (Personal Computer Memory 8797f666555SSimon Glass Card International Association) device. This is an old standard from 8807f666555SSimon Glass about 1990. These devices are typically removable memory or network 8817f666555SSimon Glass cards using a standard 68-pin connector. 8827f666555SSimon Glass 883b75dfd2dSSimon Glassconfig CMD_READ 884b75dfd2dSSimon Glass bool "read - Read binary data from a partition" 885b75dfd2dSSimon Glass help 886b75dfd2dSSimon Glass Provides low-level access to the data in a partition. 887b75dfd2dSSimon Glass 88872a8cf8dSSimon Glassconfig CMD_REMOTEPROC 88972a8cf8dSSimon Glass bool "remoteproc" 89072a8cf8dSSimon Glass depends on REMOTEPROC 89172a8cf8dSSimon Glass help 89272a8cf8dSSimon Glass Support for Remote Processor control 89372a8cf8dSSimon Glass 894aa9b1b59SFrank Wangconfig CMD_ROCKUSB 895aa9b1b59SFrank Wang bool "rockusb - Command to upgrade Rockchip device" 896aa9b1b59SFrank Wang depends on USB_GADGET 897aa9b1b59SFrank Wang help 898aa9b1b59SFrank Wang Rockusb command provides a way to upgrade firmware for 899aa9b1b59SFrank Wang Rockchip SoC based devices, its design make use of USB 900aa9b1b59SFrank Wang Bulk-Only Transport based on UMS framework. 901aa9b1b59SFrank Wang 902441217e3SZhaoyifengconfig CMD_RKNAND 903441217e3SZhaoyifeng bool "rknand" 904300175f7SDingqiang Lin depends on (RKNAND || RKNANDC_NAND) 905300175f7SDingqiang Lin default y if (RKNAND || RKNANDC_NAND) 906441217e3SZhaoyifeng help 907441217e3SZhaoyifeng Rockchip NAND FLASH device support 908441217e3SZhaoyifeng 909d5f538dcSDingqiang Linconfig CMD_RKSFC 910d5f538dcSDingqiang Lin bool "rksfc" 911d5f538dcSDingqiang Lin depends on (RKSFC_NOR || RKSFC_NAND) 912d5f538dcSDingqiang Lin default y if (RKSFC_NOR || RKSFC_NAND) 913d5f538dcSDingqiang Lin help 914d5f538dcSDingqiang Lin Rockchip SFC device support 915d5f538dcSDingqiang Lin 9163bf926c0SSimon Glassconfig CMD_SATA 9173bf926c0SSimon Glass bool "sata - Access SATA subsystem" 91810e40d54SSimon Glass select SATA 9193bf926c0SSimon Glass help 9203bf926c0SSimon Glass SATA (Serial Advanced Technology Attachment) is a serial bus 9213bf926c0SSimon Glass standard for connecting to hard drives and other storage devices. 9223bf926c0SSimon Glass This command provides information about attached devices and allows 9233bf926c0SSimon Glass reading, writing and other operations. 9243bf926c0SSimon Glass 9253bf926c0SSimon Glass SATA replaces PATA (originally just ATA), which stands for Parallel AT 9263bf926c0SSimon Glass Attachment, where AT refers to an IBM AT (Advanced Technology) 9273bf926c0SSimon Glass computer released in 1984. 9283bf926c0SSimon Glass 92915dc63d6SSimon Glassconfig CMD_SAVES 93015dc63d6SSimon Glass bool "saves - Save a file over serial in S-Record format" 93115dc63d6SSimon Glass help 93215dc63d6SSimon Glass Provides a way to save a binary file using the Motorola S-Record 93315dc63d6SSimon Glass format over the serial line. 93415dc63d6SSimon Glass 935efce2442SSimon Glassconfig CMD_SDRAM 936efce2442SSimon Glass bool "sdram - Print SDRAM configuration information" 937efce2442SSimon Glass help 938efce2442SSimon Glass Provides information about attached SDRAM. This assumed that the 939efce2442SSimon Glass SDRAM has an EEPROM with information that can be read using the 940efce2442SSimon Glass I2C bus. This is only available on some boards. 941efce2442SSimon Glass 9420c19b4d1SSimon Glassconfig CMD_SF 9430c19b4d1SSimon Glass bool "sf" 9440c19b4d1SSimon Glass help 9450c19b4d1SSimon Glass SPI Flash support 9460c19b4d1SSimon Glass 947719d36eeSSimon Glassconfig CMD_SF_TEST 948719d36eeSSimon Glass bool "sf test - Allow testing of SPI flash" 949719d36eeSSimon Glass help 950719d36eeSSimon Glass Provides a way to test that SPI flash is working correctly. The 951719d36eeSSimon Glass test is destructive, in that an area of SPI flash must be provided 952719d36eeSSimon Glass for the test to use. Performance information is also provided, 953719d36eeSSimon Glass measuring the performance of reading, writing and erasing in 954719d36eeSSimon Glass Mbps (Million Bits Per Second). This value should approximately 955719d36eeSSimon Glass equal the SPI bus speed for a single-bit-wide SPI bus, assuming 956719d36eeSSimon Glass everything is working properly. 957719d36eeSSimon Glass 9580c19b4d1SSimon Glassconfig CMD_SPI 9590c19b4d1SSimon Glass bool "sspi" 9600c19b4d1SSimon Glass help 9610c19b4d1SSimon Glass SPI utility command. 9620c19b4d1SSimon Glass 9635605aa8aSSimon Glassconfig CMD_TSI148 9645605aa8aSSimon Glass bool "tsi148 - Command to access tsi148 device" 9655605aa8aSSimon Glass help 9665605aa8aSSimon Glass This provides various sub-commands to initialise and configure the 9675605aa8aSSimon Glass Turndra tsi148 device. See the command help for full details. 9685605aa8aSSimon Glass 9692a242e3eSSimon Glassconfig CMD_UNIVERSE 9702a242e3eSSimon Glass bool "universe - Command to set up the Turndra Universe controller" 9712a242e3eSSimon Glass help 9722a242e3eSSimon Glass This allows setting up the VMEbus provided by this controller. 9732a242e3eSSimon Glass See the command help for full details. 9742a242e3eSSimon Glass 9750c19b4d1SSimon Glassconfig CMD_USB 9760c19b4d1SSimon Glass bool "usb" 9770c19b4d1SSimon Glass help 9780c19b4d1SSimon Glass USB support. 9790c19b4d1SSimon Glass 9802f005695SStefan Agnerconfig CMD_USB_SDP 9812f005695SStefan Agner bool "sdp" 9822f005695SStefan Agner select USB_FUNCTION_SDP 9832f005695SStefan Agner help 9842f005695SStefan Agner Enables the command "sdp" which is used to have U-Boot emulating the 9852f005695SStefan Agner Serial Download Protocol (SDP) via USB. 9862f005695SStefan Agner 9870c19b4d1SSimon Glassconfig CMD_USB_MASS_STORAGE 9880c19b4d1SSimon Glass bool "UMS usb mass storage" 9890c19b4d1SSimon Glass help 9900c19b4d1SSimon Glass USB mass storage support 9910c19b4d1SSimon Glass 99272a8cf8dSSimon Glassendmenu 99372a8cf8dSSimon Glass 99472a8cf8dSSimon Glass 99572a8cf8dSSimon Glassmenu "Shell scripting commands" 99672a8cf8dSSimon Glass 99772a8cf8dSSimon Glassconfig CMD_ECHO 99872a8cf8dSSimon Glass bool "echo" 99972a8cf8dSSimon Glass default y 100072a8cf8dSSimon Glass help 100172a8cf8dSSimon Glass Echo args to console 100272a8cf8dSSimon Glass 100372a8cf8dSSimon Glassconfig CMD_ITEST 100472a8cf8dSSimon Glass bool "itest" 100572a8cf8dSSimon Glass default y 100672a8cf8dSSimon Glass help 100772a8cf8dSSimon Glass Return true/false on integer compare. 100872a8cf8dSSimon Glass 100972a8cf8dSSimon Glassconfig CMD_SOURCE 101072a8cf8dSSimon Glass bool "source" 101172a8cf8dSSimon Glass default y 101272a8cf8dSSimon Glass help 101372a8cf8dSSimon Glass Run script from memory 101472a8cf8dSSimon Glass 101572a8cf8dSSimon Glassconfig CMD_SETEXPR 101672a8cf8dSSimon Glass bool "setexpr" 101772a8cf8dSSimon Glass default y 101872a8cf8dSSimon Glass help 101972a8cf8dSSimon Glass Evaluate boolean and math expressions and store the result in an env 102072a8cf8dSSimon Glass variable. 102172a8cf8dSSimon Glass Also supports loading the value at a memory location into a variable. 102272a8cf8dSSimon Glass If CONFIG_REGEX is enabled, setexpr also supports a gsub function. 102372a8cf8dSSimon Glass 102472a8cf8dSSimon Glassendmenu 102572a8cf8dSSimon Glass 102672a8cf8dSSimon Glassmenu "Network commands" 102772a8cf8dSSimon Glass 102872a8cf8dSSimon Glassconfig CMD_NET 102972a8cf8dSSimon Glass bool "bootp, tftpboot" 103072a8cf8dSSimon Glass select NET 103172a8cf8dSSimon Glass default y 103272a8cf8dSSimon Glass help 103372a8cf8dSSimon Glass Network commands. 103472a8cf8dSSimon Glass bootp - boot image via network using BOOTP/TFTP protocol 103572a8cf8dSSimon Glass tftpboot - boot image via network using TFTP protocol 103672a8cf8dSSimon Glass 103772a8cf8dSSimon Glassconfig CMD_TFTPPUT 103872a8cf8dSSimon Glass bool "tftp put" 103972a8cf8dSSimon Glass help 104072a8cf8dSSimon Glass TFTP put command, for uploading files to a server 104172a8cf8dSSimon Glass 104272a8cf8dSSimon Glassconfig CMD_TFTPSRV 104372a8cf8dSSimon Glass bool "tftpsrv" 104472a8cf8dSSimon Glass help 104572a8cf8dSSimon Glass Act as a TFTP server and boot the first received file 104672a8cf8dSSimon Glass 104772a8cf8dSSimon Glassconfig CMD_RARP 104872a8cf8dSSimon Glass bool "rarpboot" 104972a8cf8dSSimon Glass help 105072a8cf8dSSimon Glass Boot image via network using RARP/TFTP protocol 105172a8cf8dSSimon Glass 105272a8cf8dSSimon Glassconfig CMD_DHCP 105372a8cf8dSSimon Glass bool "dhcp" 105472a8cf8dSSimon Glass help 105572a8cf8dSSimon Glass Boot image via network using DHCP/TFTP protocol 105672a8cf8dSSimon Glass 1057bfb380b3SYann E. MORINconfig CMD_PXE 1058bfb380b3SYann E. MORIN bool "pxe" 1059bfb380b3SYann E. MORIN select MENU 1060bfb380b3SYann E. MORIN help 1061bfb380b3SYann E. MORIN Boot image via network using PXE protocol 1062bfb380b3SYann E. MORIN 106372a8cf8dSSimon Glassconfig CMD_NFS 106472a8cf8dSSimon Glass bool "nfs" 106572a8cf8dSSimon Glass default y 106672a8cf8dSSimon Glass help 106772a8cf8dSSimon Glass Boot image via network using NFS protocol. 106872a8cf8dSSimon Glass 1069ab8243e4SDinh Nguyenconfig CMD_MII 1070ab8243e4SDinh Nguyen bool "mii" 1071ab8243e4SDinh Nguyen help 1072ab8243e4SDinh Nguyen Enable MII utility commands. 1073ab8243e4SDinh Nguyen 107472a8cf8dSSimon Glassconfig CMD_PING 107572a8cf8dSSimon Glass bool "ping" 107672a8cf8dSSimon Glass help 107772a8cf8dSSimon Glass Send ICMP ECHO_REQUEST to network host 107872a8cf8dSSimon Glass 107972a8cf8dSSimon Glassconfig CMD_CDP 108072a8cf8dSSimon Glass bool "cdp" 108172a8cf8dSSimon Glass help 108272a8cf8dSSimon Glass Perform CDP network configuration 108372a8cf8dSSimon Glass 108472a8cf8dSSimon Glassconfig CMD_SNTP 108572a8cf8dSSimon Glass bool "sntp" 108672a8cf8dSSimon Glass help 108772a8cf8dSSimon Glass Synchronize RTC via network 108872a8cf8dSSimon Glass 108972a8cf8dSSimon Glassconfig CMD_DNS 109072a8cf8dSSimon Glass bool "dns" 109172a8cf8dSSimon Glass help 109272a8cf8dSSimon Glass Lookup the IP of a hostname 109372a8cf8dSSimon Glass 109472a8cf8dSSimon Glassconfig CMD_LINK_LOCAL 109572a8cf8dSSimon Glass bool "linklocal" 109672a8cf8dSSimon Glass help 109772a8cf8dSSimon Glass Acquire a network IP address using the link-local protocol 109872a8cf8dSSimon Glass 1099ef072200SSimon Glassconfig CMD_ETHSW 1100ef072200SSimon Glass bool "ethsw" 1101ef072200SSimon Glass help 1102ef072200SSimon Glass Allow control of L2 Ethernet switch commands. These are supported 1103ef072200SSimon Glass by the vsc9953 Ethernet driver at present. Sub-commands allow 1104ef072200SSimon Glass operations such as enabling / disabling a port and 1105ef072200SSimon Glass viewing/maintaining the filtering database (FDB) 1106ef072200SSimon Glass 110772a8cf8dSSimon Glassendmenu 110872a8cf8dSSimon Glass 1109*133266d4STang Yun pingconfig CMD_MEMTESTER 1110*133266d4STang Yun ping bool "Enable memtester for ddr" 1111*133266d4STang Yun ping help 1112*133266d4STang Yun ping This enables memtester for ddr. 1113*133266d4STang Yun ping 111472a8cf8dSSimon Glassmenu "Misc commands" 111572a8cf8dSSimon Glass 11160f710258SSimon Glassconfig CMD_BMP 11170f710258SSimon Glass bool "Enable 'bmp' command" 11180f710258SSimon Glass depends on LCD || DM_VIDEO || VIDEO 11190f710258SSimon Glass help 11200f710258SSimon Glass This provides a way to obtain information about a BMP-format iamge 11210f710258SSimon Glass and to display it. BMP (which presumably stands for BitMaP) is a 11220f710258SSimon Glass file format defined by Microsoft which supports images of various 11230f710258SSimon Glass depths, formats and compression methods. Headers on the file 11240f710258SSimon Glass determine the formats used. This command can be used by first loading 11250f710258SSimon Glass the image into RAM, then using this command to look at it or display 11260f710258SSimon Glass it. 11270f710258SSimon Glass 11284893e34bSSimon Glassconfig CMD_BSP 11294893e34bSSimon Glass bool "Enable board-specific commands" 11304893e34bSSimon Glass help 11314893e34bSSimon Glass (deprecated: instead, please define a Kconfig option for each command) 11324893e34bSSimon Glass 11334893e34bSSimon Glass Some boards have board-specific commands which are only enabled 11344893e34bSSimon Glass during developemnt and need to be turned off for production. This 11354893e34bSSimon Glass option provides a way to control this. The commands that are enabled 11364893e34bSSimon Glass vary depending on the board. 11374893e34bSSimon Glass 1138cd3d4880STomas Melinconfig CMD_BKOPS_ENABLE 1139cd3d4880STomas Melin bool "mmc bkops enable" 1140cd3d4880STomas Melin depends on CMD_MMC 1141cd3d4880STomas Melin default n 1142cd3d4880STomas Melin help 1143cd3d4880STomas Melin Enable command for setting manual background operations handshake 1144cd3d4880STomas Melin on a eMMC device. The feature is optionally available on eMMC devices 1145cd3d4880STomas Melin conforming to standard >= 4.41. 1146cd3d4880STomas Melin 1147e40cf34aSEric Nelsonconfig CMD_BLOCK_CACHE 1148e40cf34aSEric Nelson bool "blkcache - control and stats for block cache" 1149e40cf34aSEric Nelson depends on BLOCK_CACHE 1150e40cf34aSEric Nelson default y if BLOCK_CACHE 1151e40cf34aSEric Nelson help 1152e40cf34aSEric Nelson Enable the blkcache command, which can be used to control the 1153e40cf34aSEric Nelson operation of the cache functions. 1154e40cf34aSEric Nelson This is most useful when fine-tuning the operation of the cache 1155e40cf34aSEric Nelson during development, but also allows the cache to be disabled when 1156e40cf34aSEric Nelson it might hurt performance (e.g. when using the ums command). 1157e40cf34aSEric Nelson 1158ab8243e4SDinh Nguyenconfig CMD_CACHE 1159ab8243e4SDinh Nguyen bool "icache or dcache" 1160ab8243e4SDinh Nguyen help 1161ab8243e4SDinh Nguyen Enable the "icache" and "dcache" commands 1162ab8243e4SDinh Nguyen 116393d66ee5SSimon Glassconfig CMD_DISPLAY 116493d66ee5SSimon Glass bool "Enable the 'display' command, for character displays" 116593d66ee5SSimon Glass help 116693d66ee5SSimon Glass (this needs porting to driver model) 116793d66ee5SSimon Glass This enables the 'display' command which allows a string to be 116893d66ee5SSimon Glass displayed on a simple board-specific display. Implement 116993d66ee5SSimon Glass display_putc() to use it. 117093d66ee5SSimon Glass 1171ffe2052dSSimon Glassconfig CMD_LED 1172ffe2052dSSimon Glass bool "led" 1173ffe2052dSSimon Glass default y if LED 1174ffe2052dSSimon Glass help 1175ffe2052dSSimon Glass Enable the 'led' command which allows for control of LEDs supported 1176ffe2052dSSimon Glass by the board. The LEDs can be listed with 'led list' and controlled 1177ffe2052dSSimon Glass with led on/off/togle/blink. Any LED drivers can be controlled with 1178ffe2052dSSimon Glass this command, e.g. led_gpio. 1179ffe2052dSSimon Glass 1180c9032ce1SChris Packhamconfig CMD_DATE 1181c9032ce1SChris Packham bool "date" 1182c9032ce1SChris Packham default y if DM_RTC 1183c9032ce1SChris Packham help 1184c9032ce1SChris Packham Enable the 'date' command for getting/setting the time/date in RTC 1185c9032ce1SChris Packham devices. 1186c9032ce1SChris Packham 118772a8cf8dSSimon Glassconfig CMD_TIME 118872a8cf8dSSimon Glass bool "time" 118972a8cf8dSSimon Glass help 119072a8cf8dSSimon Glass Run commands and summarize execution time. 119172a8cf8dSSimon Glass 1192d91a9d7fSSimon Glassconfig CMD_GETTIME 1193d91a9d7fSSimon Glass bool "gettime - read elapsed time" 1194d91a9d7fSSimon Glass help 1195d91a9d7fSSimon Glass Enable the 'gettime' command which reads the elapsed time since 1196d91a9d7fSSimon Glass U-Boot started running. This shows the time in seconds and 1197d91a9d7fSSimon Glass milliseconds. See also the 'bootstage' command which provides more 1198d91a9d7fSSimon Glass flexibility for boot timing. 1199d91a9d7fSSimon Glass 120072a8cf8dSSimon Glass# TODO: rename to CMD_SLEEP 120172a8cf8dSSimon Glassconfig CMD_MISC 120272a8cf8dSSimon Glass bool "sleep" 120372a8cf8dSSimon Glass default y 120472a8cf8dSSimon Glass help 120572a8cf8dSSimon Glass Delay execution for some time 120672a8cf8dSSimon Glass 120772a8cf8dSSimon Glassconfig CMD_TIMER 120872a8cf8dSSimon Glass bool "timer" 120972a8cf8dSSimon Glass help 121072a8cf8dSSimon Glass Access the system timer. 121172a8cf8dSSimon Glass 121272a8cf8dSSimon Glassconfig CMD_SOUND 121372a8cf8dSSimon Glass bool "sound" 121472a8cf8dSSimon Glass depends on SOUND 121572a8cf8dSSimon Glass help 121672a8cf8dSSimon Glass This provides basic access to the U-Boot's sound support. The main 121772a8cf8dSSimon Glass feature is to play a beep. 121872a8cf8dSSimon Glass 121972a8cf8dSSimon Glass sound init - set up sound system 122072a8cf8dSSimon Glass sound play - play a sound 122172a8cf8dSSimon Glass 122218686590SMiao Yanconfig CMD_QFW 1223dd6f3abbSTom Rini bool "qfw" 1224fcf5c041SMiao Yan select QFW 1225dd6f3abbSTom Rini help 1226dd6f3abbSTom Rini This provides access to the QEMU firmware interface. The main 1227dd6f3abbSTom Rini feature is to allow easy loading of files passed to qemu-system 1228dd6f3abbSTom Rini via -kernel / -initrd 1229fa61ef6bSKonstantin Porotchkin 1230fa61ef6bSKonstantin Porotchkinsource "cmd/mvebu/Kconfig" 1231fa61ef6bSKonstantin Porotchkin 12323cef3b31SSimon Glassconfig CMD_TERMINAL 12333cef3b31SSimon Glass bool "terminal - provides a way to attach a serial terminal" 12343cef3b31SSimon Glass help 12353cef3b31SSimon Glass Provides a 'cu'-like serial terminal command. This can be used to 12363cef3b31SSimon Glass access other serial ports from the system console. The terminal 12373cef3b31SSimon Glass is very simple with no special processing of characters. As with 12383cef3b31SSimon Glass cu, you can press ~. (tilde followed by period) to exit. 12393cef3b31SSimon Glass 12401aa4e8d0SSimon Glassconfig CMD_UUID 12411aa4e8d0SSimon Glass bool "uuid, guid - generation of unique IDs" 12421aa4e8d0SSimon Glass help 12431aa4e8d0SSimon Glass This enables two commands: 12441aa4e8d0SSimon Glass 12451aa4e8d0SSimon Glass uuid - generate random Universally Unique Identifier 12461aa4e8d0SSimon Glass guid - generate Globally Unique Identifier based on random UUID 12471aa4e8d0SSimon Glass 12481aa4e8d0SSimon Glass The two commands are very similar except for the endianness of the 12491aa4e8d0SSimon Glass output. 12501aa4e8d0SSimon Glass 125172a8cf8dSSimon Glassendmenu 125272a8cf8dSSimon Glass 125372a8cf8dSSimon Glassconfig CMD_BOOTSTAGE 125472a8cf8dSSimon Glass bool "Enable the 'bootstage' command" 125572a8cf8dSSimon Glass depends on BOOTSTAGE 125672a8cf8dSSimon Glass help 125772a8cf8dSSimon Glass Add a 'bootstage' command which supports printing a report 125872a8cf8dSSimon Glass and un/stashing of bootstage data. 125972a8cf8dSSimon Glass 126072a8cf8dSSimon Glassmenu "Power commands" 126172a8cf8dSSimon Glassconfig CMD_PMIC 126272a8cf8dSSimon Glass bool "Enable Driver Model PMIC command" 126372a8cf8dSSimon Glass depends on DM_PMIC 126472a8cf8dSSimon Glass help 126572a8cf8dSSimon Glass This is the pmic command, based on a driver model pmic's API. 126672a8cf8dSSimon Glass Command features are unchanged: 126772a8cf8dSSimon Glass - list - list pmic devices 126872a8cf8dSSimon Glass - pmic dev <id> - show or [set] operating pmic device (NEW) 126972a8cf8dSSimon Glass - pmic dump - dump registers 127072a8cf8dSSimon Glass - pmic read address - read byte of register at address 127172a8cf8dSSimon Glass - pmic write address - write byte to register at address 127272a8cf8dSSimon Glass The only one change for this command is 'dev' subcommand. 127372a8cf8dSSimon Glass 127472a8cf8dSSimon Glassconfig CMD_REGULATOR 127572a8cf8dSSimon Glass bool "Enable Driver Model REGULATOR command" 127672a8cf8dSSimon Glass depends on DM_REGULATOR 127772a8cf8dSSimon Glass help 127872a8cf8dSSimon Glass This command is based on driver model regulator's API. 127972a8cf8dSSimon Glass User interface features: 128072a8cf8dSSimon Glass - list - list regulator devices 128172a8cf8dSSimon Glass - regulator dev <id> - show or [set] operating regulator device 128272a8cf8dSSimon Glass - regulator info - print constraints info 128372a8cf8dSSimon Glass - regulator status - print operating status 128472a8cf8dSSimon Glass - regulator value <val] <-f> - print/[set] voltage value [uV] 128572a8cf8dSSimon Glass - regulator current <val> - print/[set] current value [uA] 128672a8cf8dSSimon Glass - regulator mode <id> - print/[set] operating mode id 128772a8cf8dSSimon Glass - regulator enable - enable the regulator output 128872a8cf8dSSimon Glass - regulator disable - disable the regulator output 128972a8cf8dSSimon Glass 129072a8cf8dSSimon Glass The '-f' (force) option can be used for set the value which exceeds 129172a8cf8dSSimon Glass the limits, which are found in device-tree and are kept in regulator's 129272a8cf8dSSimon Glass uclass platdata structure. 129372a8cf8dSSimon Glass 1294c0b38c6cSJoseph Chenconfig CMD_CHARGE_DISPLAY 1295c0b38c6cSJoseph Chen bool "Enable Driver Model Charge Display command" 1296c0b38c6cSJoseph Chen help 1297c0b38c6cSJoseph Chen Support U-Boot charge display. 1298c0b38c6cSJoseph Chen 129972a8cf8dSSimon Glassendmenu 130072a8cf8dSSimon Glass 130172a8cf8dSSimon Glassmenu "Security commands" 1302b1a873dfSSimon Glassconfig CMD_AES 1303b1a873dfSSimon Glass bool "Enable the 'aes' command" 1304b1a873dfSSimon Glass select AES 1305b1a873dfSSimon Glass help 1306b1a873dfSSimon Glass This provides a means to encrypt and decrypt data using the AES 1307b1a873dfSSimon Glass (Advanced Encryption Standard). This algorithm uses a symetric key 1308b1a873dfSSimon Glass and is widely used as a streaming cipher. Different key lengths are 1309b1a873dfSSimon Glass supported by the algorithm but this command only supports 128 bits 1310b1a873dfSSimon Glass at present. 1311b1a873dfSSimon Glass 1312c04b9b34SSimon Glassconfig CMD_BLOB 1313c04b9b34SSimon Glass bool "Enable the 'blob' command" 1314c04b9b34SSimon Glass help 1315c04b9b34SSimon Glass This is used with the Freescale secure boot mechanism. 1316c04b9b34SSimon Glass 1317c04b9b34SSimon Glass Freescale's SEC block has built-in Blob Protocol which provides 1318c04b9b34SSimon Glass a method for protecting user-defined data across system power 1319c04b9b34SSimon Glass cycles. SEC block protects data in a data structure called a Blob, 1320c04b9b34SSimon Glass which provides both confidentiality and integrity protection. 1321c04b9b34SSimon Glass 1322c04b9b34SSimon Glass Encapsulating data as a blob 1323c04b9b34SSimon Glass Each time that the Blob Protocol is used to protect data, a 1324c04b9b34SSimon Glass different randomly generated key is used to encrypt the data. 1325c04b9b34SSimon Glass This random key is itself encrypted using a key which is derived 1326c04b9b34SSimon Glass from SoC's non-volatile secret key and a 16 bit Key identifier. 1327c04b9b34SSimon Glass The resulting encrypted key along with encrypted data is called a 1328c04b9b34SSimon Glass blob. The non-volatile secure key is available for use only during 1329c04b9b34SSimon Glass secure boot. 1330c04b9b34SSimon Glass 1331c04b9b34SSimon Glass During decapsulation, the reverse process is performed to get back 1332c04b9b34SSimon Glass the original data. 1333c04b9b34SSimon Glass 1334c04b9b34SSimon Glass Sub-commands: 1335c04b9b34SSimon Glass blob enc - encapsulating data as a cryptgraphic blob 1336c04b9b34SSimon Glass blob dec - decapsulating cryptgraphic blob to get the data 1337c04b9b34SSimon Glass 1338c04b9b34SSimon Glass Syntax: 1339c04b9b34SSimon Glass 1340c04b9b34SSimon Glass blob enc src dst len km 1341c04b9b34SSimon Glass 1342c04b9b34SSimon Glass Encapsulate and create blob of data $len bytes long 1343c04b9b34SSimon Glass at address $src and store the result at address $dst. 1344c04b9b34SSimon Glass $km is the 16 byte key modifier is also required for 1345c04b9b34SSimon Glass generation/use as key for cryptographic operation. Key 1346c04b9b34SSimon Glass modifier should be 16 byte long. 1347c04b9b34SSimon Glass 1348c04b9b34SSimon Glass blob dec src dst len km 1349c04b9b34SSimon Glass 1350c04b9b34SSimon Glass Decapsulate the blob of data at address $src and 1351c04b9b34SSimon Glass store result of $len byte at addr $dst. 1352c04b9b34SSimon Glass $km is the 16 byte key modifier is also required for 1353c04b9b34SSimon Glass generation/use as key for cryptographic operation. Key 1354c04b9b34SSimon Glass modifier should be 16 byte long. 1355c04b9b34SSimon Glass 1356551c3934SSimon Glassconfig CMD_HASH 1357551c3934SSimon Glass bool "Support 'hash' command" 1358d70f919eSSimon Glass select HASH 1359551c3934SSimon Glass help 1360551c3934SSimon Glass This provides a way to hash data in memory using various supported 1361551c3934SSimon Glass algorithms (such as SHA1, MD5, CRC32). The computed digest can be 1362551c3934SSimon Glass saved to memory or to an environment variable. It is also possible 1363551c3934SSimon Glass to verify a hash against data in memory. 1364551c3934SSimon Glass 1365221a949eSDaniel Thompsonconfig HASH_VERIFY 1366221a949eSDaniel Thompson bool "hash -v" 1367221a949eSDaniel Thompson depends on CMD_HASH 1368221a949eSDaniel Thompson help 1369221a949eSDaniel Thompson Add -v option to verify data against a hash. 1370221a949eSDaniel Thompson 137172a8cf8dSSimon Glassconfig CMD_TPM 137272a8cf8dSSimon Glass bool "Enable the 'tpm' command" 137372a8cf8dSSimon Glass depends on TPM 137472a8cf8dSSimon Glass help 137572a8cf8dSSimon Glass This provides a means to talk to a TPM from the command line. A wide 137672a8cf8dSSimon Glass range of commands if provided - see 'tpm help' for details. The 137772a8cf8dSSimon Glass command requires a suitable TPM on your board and the correct driver 137872a8cf8dSSimon Glass must be enabled. 137972a8cf8dSSimon Glass 138072a8cf8dSSimon Glassconfig CMD_TPM_TEST 138172a8cf8dSSimon Glass bool "Enable the 'tpm test' command" 138272a8cf8dSSimon Glass depends on CMD_TPM 138372a8cf8dSSimon Glass help 138472a8cf8dSSimon Glass This provides a a series of tests to confirm that the TPM is working 138572a8cf8dSSimon Glass correctly. The tests cover initialisation, non-volatile RAM, extend, 138672a8cf8dSSimon Glass global lock and checking that timing is within expectations. The 138772a8cf8dSSimon Glass tests pass correctly on Infineon TPMs but may need to be adjusted 138872a8cf8dSSimon Glass for other devices. 138972a8cf8dSSimon Glass 139072a8cf8dSSimon Glassendmenu 139172a8cf8dSSimon Glass 1392bfeba017SMoritz Fischermenu "Firmware commands" 1393bfeba017SMoritz Fischerconfig CMD_CROS_EC 1394bfeba017SMoritz Fischer bool "Enable crosec command" 1395bfeba017SMoritz Fischer depends on CROS_EC 1396bfeba017SMoritz Fischer default y 1397bfeba017SMoritz Fischer help 1398bfeba017SMoritz Fischer Enable command-line access to the Chrome OS EC (Embedded 1399bfeba017SMoritz Fischer Controller). This provides the 'crosec' command which has 1400bfeba017SMoritz Fischer a number of sub-commands for performing EC tasks such as 1401bfeba017SMoritz Fischer updating its flash, accessing a small saved context area 1402bfeba017SMoritz Fischer and talking to the I2C bus behind the EC (if there is one). 1403bfeba017SMoritz Fischerendmenu 1404bfeba017SMoritz Fischer 1405ab8243e4SDinh Nguyenmenu "Filesystem commands" 1406d66a10fcSSimon Glassconfig CMD_CBFS 1407d66a10fcSSimon Glass bool "Enable the 'cbfs' command" 1408deb95999SSimon Glass depends on FS_CBFS 1409d66a10fcSSimon Glass help 1410d66a10fcSSimon Glass Define this to enable support for reading from a Coreboot 1411d66a10fcSSimon Glass filesystem. This is a ROM-based filesystem used for accessing files 1412d66a10fcSSimon Glass on systems that use coreboot as the first boot-loader and then load 1413d66a10fcSSimon Glass U-Boot to actually boot the Operating System. Available commands are 1414d66a10fcSSimon Glass cbfsinit, cbfsinfo, cbfsls and cbfsload. 1415d66a10fcSSimon Glass 141697072747SSimon Glassconfig CMD_CRAMFS 141797072747SSimon Glass bool "Enable the 'cramfs' command" 141880e44cfeSSimon Glass depends on FS_CRAMFS 141997072747SSimon Glass help 142097072747SSimon Glass This provides commands for dealing with CRAMFS (Compressed ROM 142197072747SSimon Glass filesystem). CRAMFS is useful when space is tight since files are 142297072747SSimon Glass compressed. Two commands are provided: 142397072747SSimon Glass 142497072747SSimon Glass cramfsls - lists files in a cramfs image 142597072747SSimon Glass cramfsload - loads a file from a cramfs image 142697072747SSimon Glass 1427ab8243e4SDinh Nguyenconfig CMD_EXT2 1428ab8243e4SDinh Nguyen bool "ext2 command support" 1429ab8243e4SDinh Nguyen help 1430ab8243e4SDinh Nguyen Enables EXT2 FS command 1431ab8243e4SDinh Nguyen 1432ab8243e4SDinh Nguyenconfig CMD_EXT4 1433ab8243e4SDinh Nguyen bool "ext4 command support" 1434ab8243e4SDinh Nguyen help 1435ab8243e4SDinh Nguyen Enables EXT4 FS command 1436ab8243e4SDinh Nguyen 1437ab8243e4SDinh Nguyenconfig CMD_EXT4_WRITE 1438ab8243e4SDinh Nguyen depends on CMD_EXT4 1439ab8243e4SDinh Nguyen bool "ext4 write command support" 1440ab8243e4SDinh Nguyen help 1441ab8243e4SDinh Nguyen Enables EXT4 FS write command 1442ab8243e4SDinh Nguyen 1443ab8243e4SDinh Nguyenconfig CMD_FAT 1444ab8243e4SDinh Nguyen bool "FAT command support" 1445eedfb89eSSekhar Nori select FS_FAT 1446ab8243e4SDinh Nguyen help 1447ab8243e4SDinh Nguyen Support for the FAT fs 1448ab8243e4SDinh Nguyen 1449ab8243e4SDinh Nguyenconfig CMD_FS_GENERIC 1450ab8243e4SDinh Nguyen bool "filesystem commands" 1451ab8243e4SDinh Nguyen help 1452ab8243e4SDinh Nguyen Enables filesystem commands (e.g. load, ls) that work for multiple 1453ab8243e4SDinh Nguyen fs types. 14540269dfaeSMaxime Ripard 1455efbe99ceSJosua Mayerconfig CMD_FS_UUID 1456efbe99ceSJosua Mayer bool "fsuuid command" 1457efbe99ceSJosua Mayer help 1458efbe99ceSJosua Mayer Enables fsuuid command for filesystem UUID. 1459efbe99ceSJosua Mayer 1460b8682a7fSSimon Glassconfig CMD_JFFS2 1461b8682a7fSSimon Glass bool "jffs2 command" 146259e12a4aSSimon Glass select FS_JFFS2 1463b8682a7fSSimon Glass help 1464b8682a7fSSimon Glass Enables commands to support the JFFS2 (Journalling Flash File System 1465b8682a7fSSimon Glass version 2) filesystem. This enables fsload, ls and fsinfo which 1466b8682a7fSSimon Glass provide the ability to load files, list directories and obtain 1467b8682a7fSSimon Glass filesystem information. 1468b8682a7fSSimon Glass 14690269dfaeSMaxime Ripardconfig CMD_MTDPARTS 14700269dfaeSMaxime Ripard bool "MTD partition support" 14710269dfaeSMaxime Ripard help 14720269dfaeSMaxime Ripard MTD partition support 14730269dfaeSMaxime Ripard 14740269dfaeSMaxime Ripardconfig MTDIDS_DEFAULT 14750269dfaeSMaxime Ripard string "Default MTD IDs" 14760269dfaeSMaxime Ripard depends on CMD_MTDPARTS 14770269dfaeSMaxime Ripard help 14780269dfaeSMaxime Ripard Defines a default MTD ID 14790269dfaeSMaxime Ripard 14800269dfaeSMaxime Ripardconfig MTDPARTS_DEFAULT 14810269dfaeSMaxime Ripard string "Default MTD partition scheme" 14820269dfaeSMaxime Ripard depends on CMD_MTDPARTS 14830269dfaeSMaxime Ripard help 14840269dfaeSMaxime Ripard Defines a default MTD partitioning scheme in the Linux MTD command 14850269dfaeSMaxime Ripard line partitions format 14860269dfaeSMaxime Ripard 1487cb70e6cbSSimon Glassconfig CMD_MTDPARTS_SPREAD 1488cb70e6cbSSimon Glass bool "Padd partition size to take account of bad blocks" 1489cb70e6cbSSimon Glass depends on CMD_MTDPARTS 1490cb70e6cbSSimon Glass help 1491cb70e6cbSSimon Glass This enables the 'spread' sub-command of the mtdparts command. 1492cb70e6cbSSimon Glass This command will modify the existing mtdparts variable by increasing 1493cb70e6cbSSimon Glass the size of the partitions such that 1) each partition's net size is 1494cb70e6cbSSimon Glass at least as large as the size specified in the mtdparts variable and 1495cb70e6cbSSimon Glass 2) each partition starts on a good block. 1496cb70e6cbSSimon Glass 1497f8803a99SSimon Glassconfig CMD_REISER 1498f8803a99SSimon Glass bool "reiser - Access to reiserfs filesystems" 1499f8803a99SSimon Glass help 1500f8803a99SSimon Glass This provides two commands which operate on a resierfs filesystem, 1501f8803a99SSimon Glass commonly used some years ago: 1502f8803a99SSimon Glass 1503f8803a99SSimon Glass reiserls - list files 1504f8803a99SSimon Glass reiserload - load a file 1505f8803a99SSimon Glass 15060941f597SSimon Glassconfig CMD_SCSI 15070941f597SSimon Glass bool "scsi - Access to SCSI devices" 15080941f597SSimon Glass default y if SCSI 15090941f597SSimon Glass help 15100941f597SSimon Glass This provides a 'scsi' command which provides access to SCSI (Small 15110941f597SSimon Glass Computer System Interface) devices. The command provides a way to 15120941f597SSimon Glass scan the bus, reset the bus, read and write data and get information 15130941f597SSimon Glass about devices. 15140941f597SSimon Glass 15157a764318SSimon Glassconfig CMD_YAFFS2 15167a764318SSimon Glass bool "yaffs2 - Access of YAFFS2 filesystem" 15177a764318SSimon Glass depends on YAFFS2 15187a764318SSimon Glass default y 15197a764318SSimon Glass help 15207a764318SSimon Glass This provides commands for accessing a YAFFS2 filesystem. Yet 15217a764318SSimon Glass Another Flash Filesystem 2 is a filesystem designed specifically 15227a764318SSimon Glass for NAND flash. It incorporates bad-block management and ensures 15237a764318SSimon Glass that device writes are sequential regardless of filesystem 15247a764318SSimon Glass activity. 15257a764318SSimon Glass 152654feea17SSimon Glassconfig CMD_ZFS 152754feea17SSimon Glass bool "zfs - Access of ZFS filesystem" 152854feea17SSimon Glass help 152954feea17SSimon Glass This provides commands to accessing a ZFS filesystem, commonly used 153054feea17SSimon Glass on Solaris systems. Two sub-commands are provided: 153154feea17SSimon Glass 153254feea17SSimon Glass zfsls - list files in a directory 153354feea17SSimon Glass zfsload - load a file 153454feea17SSimon Glass 153554feea17SSimon Glass See doc/README.zfs for more details. 153654feea17SSimon Glass 1537ab8243e4SDinh Nguyenendmenu 1538ab8243e4SDinh Nguyen 1539ac20a1b2SSimon Glassmenu "Debug commands" 1540ac20a1b2SSimon Glass 1541ac20a1b2SSimon Glassconfig CMD_BEDBUG 1542ac20a1b2SSimon Glass bool "bedbug" 1543ac20a1b2SSimon Glass help 1544ac20a1b2SSimon Glass The bedbug (emBEDded deBUGger) command provides debugging features 1545ac20a1b2SSimon Glass for some PowerPC processors. For details please see the 1546ac20a1b2SSimon Glass docuemntation in doc/README.beddbug 1547ac20a1b2SSimon Glass 15483bd25cb5SSimon Glassconfig CMD_DIAG 15493bd25cb5SSimon Glass bool "diag - Board diagnostics" 15503bd25cb5SSimon Glass help 15513bd25cb5SSimon Glass This command provides access to board diagnostic tests. These are 15523bd25cb5SSimon Glass called Power-on Self Tests (POST). The command allows listing of 15533bd25cb5SSimon Glass available tests and running either all the tests, or specific tests 15543bd25cb5SSimon Glass identified by name. 15553bd25cb5SSimon Glass 15561b330894SSimon Glassconfig CMD_IRQ 15571b330894SSimon Glass bool "irq - Show information about interrupts" 1558064b55cfSHeiko Schocher depends on !ARM && !MIPS && !SH 15591b330894SSimon Glass help 15601b330894SSimon Glass This enables two commands: 15611b330894SSimon Glass 15621b330894SSimon Glass interrupts - enable or disable interrupts 15631b330894SSimon Glass irqinfo - print device-specific interrupt information 15646bac227aSSimon Glass 15656bac227aSSimon Glassconfig CMD_KGDB 15666bac227aSSimon Glass bool "kgdb - Allow debugging of U-Boot with gdb" 15676bac227aSSimon Glass help 15686bac227aSSimon Glass This enables a 'kgdb' command which allows gdb to connect to U-Boot 15696bac227aSSimon Glass over a serial link for debugging purposes. This allows 15706bac227aSSimon Glass single-stepping, inspecting variables, etc. This is supported only 15716bac227aSSimon Glass on PowerPC at present. 15726bac227aSSimon Glass 1573923fc48dSSimon Glassconfig CMD_LOG 1574923fc48dSSimon Glass bool "log - Generation, control and access to logging" 1575923fc48dSSimon Glass help 1576923fc48dSSimon Glass This provides access to logging features. It allows the output of 1577923fc48dSSimon Glass log data to be controlled to a limited extent (setting up the default 157873991b07SSimon Glass maximum log level for emitting of records). It also provides access 157973991b07SSimon Glass to a command used for testing the log system. 1580923fc48dSSimon Glass 1581ce058ae5SSimon Glassconfig CMD_TRACE 1582ce058ae5SSimon Glass bool "trace - Support tracing of function calls and timing" 1583ce058ae5SSimon Glass help 1584ce058ae5SSimon Glass Enables a command to control using of function tracing within 1585ce058ae5SSimon Glass U-Boot. This allows recording of call traces including timing 1586ce058ae5SSimon Glass information. The command can write data to memory for exporting 1587ce058ae5SSimon Glass for analsys (e.g. using bootchart). See doc/README.trace for full 1588ce058ae5SSimon Glass details. 1589ce058ae5SSimon Glass 1590ac20a1b2SSimon Glassendmenu 1591ac20a1b2SSimon Glass 15928f2fe0c8SHeiko Schocherconfig CMD_UBI 15938f2fe0c8SHeiko Schocher tristate "Enable UBI - Unsorted block images commands" 15948f2fe0c8SHeiko Schocher select CRC32 15958f2fe0c8SHeiko Schocher select MTD_UBI 159622cf953aSKarl Beldan select CMD_MTDPARTS 1597522c282fSMaxime Ripard default y if NAND_SUNXI 15988f2fe0c8SHeiko Schocher help 15998f2fe0c8SHeiko Schocher UBI is a software layer above MTD layer which admits use of LVM-like 16008f2fe0c8SHeiko Schocher logical volumes on top of MTD devices, hides some complexities of 16018f2fe0c8SHeiko Schocher flash chips like wear and bad blocks and provides some other useful 16028f2fe0c8SHeiko Schocher capabilities. Please, consult the MTD web site for more details 16038f2fe0c8SHeiko Schocher (www.linux-mtd.infradead.org). Activate this option if you want 16048f2fe0c8SHeiko Schocher to use U-Boot UBI commands. 16058f2fe0c8SHeiko Schocher 1606173aafbfSBoris Brezillonconfig CMD_UBIFS 1607173aafbfSBoris Brezillon tristate "Enable UBIFS - Unsorted block images filesystem commands" 16082bc734b1SMaxime Ripard depends on CMD_UBI 1609173aafbfSBoris Brezillon select CRC32 161024fc9531SKarl Beldan select LZO 1611d56b4b19STom Rini default y if CMD_UBI 1612173aafbfSBoris Brezillon help 1613173aafbfSBoris Brezillon UBIFS is a file system for flash devices which works on top of UBI. 1614173aafbfSBoris Brezillon 161572a8cf8dSSimon Glassendmenu 1616