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 11972a8cf8dSSimon Glasscomment "Commands" 12072a8cf8dSSimon Glass 12172a8cf8dSSimon Glassmenu "Info commands" 12272a8cf8dSSimon Glass 12372a8cf8dSSimon Glassconfig CMD_BDI 12472a8cf8dSSimon Glass bool "bdinfo" 12572a8cf8dSSimon Glass default y 12672a8cf8dSSimon Glass help 12772a8cf8dSSimon Glass Print board info 12872a8cf8dSSimon Glass 12961304dbeSMasahiro Yamadaconfig CMD_CONFIG 13061304dbeSMasahiro Yamada bool "config" 13161304dbeSMasahiro Yamada select BUILD_BIN2C 13261304dbeSMasahiro Yamada default SANDBOX 13361304dbeSMasahiro Yamada help 13461304dbeSMasahiro Yamada Print ".config" contents. 13561304dbeSMasahiro Yamada 13661304dbeSMasahiro Yamada If this option is enabled, the ".config" file contents are embedded 13761304dbeSMasahiro Yamada in the U-Boot image and can be printed on the console by the "config" 13861304dbeSMasahiro Yamada command. This provides information of which options are enabled on 13961304dbeSMasahiro Yamada the running U-Boot. 14061304dbeSMasahiro Yamada 14172a8cf8dSSimon Glassconfig CMD_CONSOLE 14272a8cf8dSSimon Glass bool "coninfo" 14372a8cf8dSSimon Glass default y 14472a8cf8dSSimon Glass help 14572a8cf8dSSimon Glass Print console devices and information. 14672a8cf8dSSimon Glass 14772a8cf8dSSimon Glassconfig CMD_CPU 14872a8cf8dSSimon Glass bool "cpu" 14972a8cf8dSSimon Glass help 15072a8cf8dSSimon Glass Print information about available CPUs. This normally shows the 15172a8cf8dSSimon Glass number of CPUs, type (e.g. manufacturer, architecture, product or 15272a8cf8dSSimon Glass internal name) and clock frequency. Other information may be 15372a8cf8dSSimon Glass available depending on the CPU driver. 15472a8cf8dSSimon Glass 15572a8cf8dSSimon Glassconfig CMD_LICENSE 15672a8cf8dSSimon Glass bool "license" 157d726f225SMasahiro Yamada select BUILD_BIN2C 15872a8cf8dSSimon Glass help 15972a8cf8dSSimon Glass Print GPL license text 16072a8cf8dSSimon Glass 161fa379223SChristophe Leroyconfig CMD_REGINFO 162fa379223SChristophe Leroy bool "reginfo" 163fa379223SChristophe Leroy depends on PPC 164fa379223SChristophe Leroy help 165fa379223SChristophe Leroy Register dump 166fa379223SChristophe Leroy 16772a8cf8dSSimon Glassendmenu 16872a8cf8dSSimon Glass 16972a8cf8dSSimon Glassmenu "Boot commands" 17072a8cf8dSSimon Glass 17172a8cf8dSSimon Glassconfig CMD_BOOTD 17272a8cf8dSSimon Glass bool "bootd" 17372a8cf8dSSimon Glass default y 17472a8cf8dSSimon Glass help 17572a8cf8dSSimon Glass Run the command stored in the environment "bootcmd", i.e. 17672a8cf8dSSimon Glass "bootd" does the same thing as "run bootcmd". 17772a8cf8dSSimon Glass 17872a8cf8dSSimon Glassconfig CMD_BOOTM 17972a8cf8dSSimon Glass bool "bootm" 18072a8cf8dSSimon Glass default y 18172a8cf8dSSimon Glass help 18272a8cf8dSSimon Glass Boot an application image from the memory. 18372a8cf8dSSimon Glass 184ab8243e4SDinh Nguyenconfig CMD_BOOTZ 185ab8243e4SDinh Nguyen bool "bootz" 186ab8243e4SDinh Nguyen help 187ab8243e4SDinh Nguyen Boot the Linux zImage 188ab8243e4SDinh Nguyen 18926959271SMasahiro Yamadaconfig CMD_BOOTI 19026959271SMasahiro Yamada bool "booti" 19126959271SMasahiro Yamada depends on ARM64 19226959271SMasahiro Yamada default y 19326959271SMasahiro Yamada help 19426959271SMasahiro Yamada Boot an AArch64 Linux Kernel image from memory. 19526959271SMasahiro Yamada 196b9939336SAlexander Grafconfig CMD_BOOTEFI 197b9939336SAlexander Graf bool "bootefi" 198b9939336SAlexander Graf depends on EFI_LOADER 199b9939336SAlexander Graf default y 200b9939336SAlexander Graf help 201b9939336SAlexander Graf Boot an EFI image from memory. 202b9939336SAlexander Graf 20395b62b2eSAlexander Grafconfig CMD_BOOTEFI_HELLO_COMPILE 20495b62b2eSAlexander Graf bool "Compile a standard EFI hello world binary for testing" 20595b62b2eSAlexander Graf depends on CMD_BOOTEFI && (ARM || X86) 20695b62b2eSAlexander Graf default y 20795b62b2eSAlexander Graf help 20895b62b2eSAlexander Graf This compiles a standard EFI hello world application with U-Boot so 20995b62b2eSAlexander Graf that it can be used with the test/py testing framework. This is useful 21095b62b2eSAlexander Graf for testing that EFI is working at a basic level, and for bringing 21195b62b2eSAlexander Graf up EFI support on a new architecture. 21295b62b2eSAlexander Graf 21395b62b2eSAlexander Graf No additional space will be required in the resulting U-Boot binary 21495b62b2eSAlexander Graf when this option is enabled. 21595b62b2eSAlexander Graf 216c7ae3dfdSSimon Glassconfig CMD_BOOTEFI_HELLO 217c7ae3dfdSSimon Glass bool "Allow booting a standard EFI hello world for testing" 21895b62b2eSAlexander Graf depends on CMD_BOOTEFI_HELLO_COMPILE 219c7ae3dfdSSimon Glass help 220c7ae3dfdSSimon Glass This adds a standard EFI hello world application to U-Boot so that 221c7ae3dfdSSimon Glass it can be used with the 'bootefi hello' command. This is useful 222c7ae3dfdSSimon Glass for testing that EFI is working at a basic level, and for bringing 223c7ae3dfdSSimon Glass up EFI support on a new architecture. 224c7ae3dfdSSimon Glass 2254880b026STom Riniconfig CMD_BOOTMENU 2264880b026STom Rini bool "bootmenu" 2274880b026STom Rini select MENU 2284880b026STom Rini help 2294880b026STom Rini Add an ANSI terminal boot menu command. 2304880b026STom Rini 23172a8cf8dSSimon Glassconfig CMD_ELF 23272a8cf8dSSimon Glass bool "bootelf, bootvx" 23372a8cf8dSSimon Glass default y 23472a8cf8dSSimon Glass help 23572a8cf8dSSimon Glass Boot an ELF/vxWorks image from the memory. 23672a8cf8dSSimon Glass 23723922e26SMichal Simekconfig CMD_FDT 23823922e26SMichal Simek bool "Flattened Device Tree utility commands" 23923922e26SMichal Simek default y 24023922e26SMichal Simek depends on OF_LIBFDT 24123922e26SMichal Simek help 24223922e26SMichal Simek Do FDT related setup before booting into the Operating System. 24323922e26SMichal Simek 24472a8cf8dSSimon Glassconfig CMD_GO 24572a8cf8dSSimon Glass bool "go" 24672a8cf8dSSimon Glass default y 24772a8cf8dSSimon Glass help 24872a8cf8dSSimon Glass Start an application at a given address. 24972a8cf8dSSimon Glass 25072a8cf8dSSimon Glassconfig CMD_RUN 25172a8cf8dSSimon Glass bool "run" 25272a8cf8dSSimon Glass default y 25372a8cf8dSSimon Glass help 25472a8cf8dSSimon Glass Run the command in the given environment variable. 25572a8cf8dSSimon Glass 25672a8cf8dSSimon Glassconfig CMD_IMI 25772a8cf8dSSimon Glass bool "iminfo" 25872a8cf8dSSimon Glass default y 25972a8cf8dSSimon Glass help 26072a8cf8dSSimon Glass Print header information for application image. 26172a8cf8dSSimon Glass 26272a8cf8dSSimon Glassconfig CMD_IMLS 26372a8cf8dSSimon Glass bool "imls" 26472a8cf8dSSimon Glass default y 26572a8cf8dSSimon Glass help 26672a8cf8dSSimon Glass List all images found in flash 26772a8cf8dSSimon Glass 26872a8cf8dSSimon Glassconfig CMD_XIMG 26972a8cf8dSSimon Glass bool "imxtract" 27072a8cf8dSSimon Glass default y 27172a8cf8dSSimon Glass help 27272a8cf8dSSimon Glass Extract a part of a multi-image. 27372a8cf8dSSimon Glass 27472a8cf8dSSimon Glassconfig CMD_POWEROFF 275e05d5058SMichal Simek bool "poweroff" 276e05d5058SMichal Simek help 277e05d5058SMichal Simek Poweroff/Shutdown the system 27872a8cf8dSSimon Glass 27972c3033fSSimon Glassconfig CMD_SPL 28072c3033fSSimon Glass bool "spl export - Export boot information for Falcon boot" 28172c3033fSSimon Glass depends on SPL 28272c3033fSSimon Glass help 28372c3033fSSimon Glass Falcon mode allows booting directly from SPL into an Operating 28472c3033fSSimon Glass System such as Linux, thus skipping U-Boot proper. See 28572c3033fSSimon Glass doc/README.falcon for full information about how to use this 28672c3033fSSimon Glass command. 28772c3033fSSimon Glass 288203dc1b3SSimon Glassconfig CMD_SPL_NAND_OFS 289203dc1b3SSimon Glass hex "Offset of OS command line args for Falcon-mode NAND boot" 290203dc1b3SSimon Glass depends on CMD_SPL 291203dc1b3SSimon Glass default 0 292203dc1b3SSimon Glass help 293203dc1b3SSimon Glass This provides the offset of the command line arguments for Linux 294203dc1b3SSimon Glass when booting from NAND in Falcon mode. See doc/README.falcon 295203dc1b3SSimon Glass for full information about how to use this option (and also see 296203dc1b3SSimon Glass board/gateworks/gw_ventana/README for an example). 297203dc1b3SSimon Glass 2983a91a253SSimon Glassconfig CMD_SPL_WRITE_SIZE 2993a91a253SSimon Glass hex "Size of argument area" 3003a91a253SSimon Glass depends on CMD_SPL 3013a91a253SSimon Glass default 0x2000 3023a91a253SSimon Glass help 3033a91a253SSimon Glass This provides the size of the command-line argument area in NAND 3043a91a253SSimon Glass flash used by Falcon-mode boot. See the documentation until CMD_SPL 3053a91a253SSimon Glass for detail. 3063a91a253SSimon Glass 3079b92a8d7SSimon Glassconfig CMD_THOR_DOWNLOAD 3089b92a8d7SSimon Glass bool "thor - TIZEN 'thor' download" 3099b92a8d7SSimon Glass help 3109b92a8d7SSimon Glass Implements the 'thor' download protocol. This is a way of 3119b92a8d7SSimon Glass downloading a software update over USB from an attached host. 3129b92a8d7SSimon Glass There is no documentation about this within the U-Boot source code 3139b92a8d7SSimon Glass but you should be able to find something on the interwebs. 3149b92a8d7SSimon Glass 315e7a815f3SSimon Glassconfig CMD_ZBOOT 316e7a815f3SSimon Glass bool "zboot - x86 boot command" 317e7a815f3SSimon Glass help 318e7a815f3SSimon Glass With x86 machines it is common to boot a bzImage file which 319e7a815f3SSimon Glass contains both a kernel and a setup.bin file. The latter includes 320e7a815f3SSimon Glass configuration information from the dark ages which x86 boards still 321e7a815f3SSimon Glass need to pick things out of. 322e7a815f3SSimon Glass 323e7a815f3SSimon Glass Consider using FIT in preference to this since it supports directly 324e7a815f3SSimon Glass booting both 32- and 64-bit kernels, as well as secure boot. 325e7a815f3SSimon Glass Documentation is available in doc/uImage.FIT/x86-fit-boot.txt 326e7a815f3SSimon Glass 32772a8cf8dSSimon Glassendmenu 32872a8cf8dSSimon Glass 32972a8cf8dSSimon Glassmenu "Environment commands" 33072a8cf8dSSimon Glass 331ab8243e4SDinh Nguyenconfig CMD_ASKENV 332ab8243e4SDinh Nguyen bool "ask for env variable" 333ab8243e4SDinh Nguyen help 334ab8243e4SDinh Nguyen Ask for environment variable 335ab8243e4SDinh Nguyen 33672a8cf8dSSimon Glassconfig CMD_EXPORTENV 33772a8cf8dSSimon Glass bool "env export" 33872a8cf8dSSimon Glass default y 33972a8cf8dSSimon Glass help 34072a8cf8dSSimon Glass Export environments. 34172a8cf8dSSimon Glass 34272a8cf8dSSimon Glassconfig CMD_IMPORTENV 34372a8cf8dSSimon Glass bool "env import" 34472a8cf8dSSimon Glass default y 34572a8cf8dSSimon Glass help 34672a8cf8dSSimon Glass Import environments. 34772a8cf8dSSimon Glass 34872a8cf8dSSimon Glassconfig CMD_EDITENV 34972a8cf8dSSimon Glass bool "editenv" 35072a8cf8dSSimon Glass default y 35172a8cf8dSSimon Glass help 35272a8cf8dSSimon Glass Edit environment variable. 35372a8cf8dSSimon Glass 354ab8243e4SDinh Nguyenconfig CMD_GREPENV 355ab8243e4SDinh Nguyen bool "search env" 356ab8243e4SDinh Nguyen help 357ab8243e4SDinh Nguyen Allow for searching environment variables 358ab8243e4SDinh Nguyen 35972a8cf8dSSimon Glassconfig CMD_SAVEENV 36072a8cf8dSSimon Glass bool "saveenv" 36172a8cf8dSSimon Glass default y 36272a8cf8dSSimon Glass help 36372a8cf8dSSimon Glass Save all environment variables into the compiled-in persistent 36472a8cf8dSSimon Glass storage. 36572a8cf8dSSimon Glass 36672a8cf8dSSimon Glassconfig CMD_ENV_EXISTS 36772a8cf8dSSimon Glass bool "env exists" 36872a8cf8dSSimon Glass default y 36972a8cf8dSSimon Glass help 37072a8cf8dSSimon Glass Check if a variable is defined in the environment for use in 37172a8cf8dSSimon Glass shell scripting. 37272a8cf8dSSimon Glass 373a55d29d2SSimon Glassconfig CMD_ENV_CALLBACK 374a55d29d2SSimon Glass bool "env callbacks - print callbacks and their associated variables" 375a55d29d2SSimon Glass help 376a55d29d2SSimon Glass Some environment variable have callbacks defined by 377a55d29d2SSimon Glass U_BOOT_ENV_CALLBACK. These are called when the variable changes. 378a55d29d2SSimon Glass For example changing "baudrate" adjust the serial baud rate. This 379a55d29d2SSimon Glass command lists the currently defined callbacks. 380a55d29d2SSimon Glass 381ffc76589SSimon Glassconfig CMD_ENV_FLAGS 382ffc76589SSimon Glass bool "env flags -print variables that have non-default flags" 383ffc76589SSimon Glass help 384ffc76589SSimon Glass Some environment variables have special flags that control their 385ffc76589SSimon Glass behaviour. For example, serial# can only be written once and cannot 386ffc76589SSimon Glass be deleted. This command shows the variables that have special 387ffc76589SSimon Glass flags. 388ffc76589SSimon Glass 38972a8cf8dSSimon Glassendmenu 39072a8cf8dSSimon Glass 39172a8cf8dSSimon Glassmenu "Memory commands" 39272a8cf8dSSimon Glass 39372a8cf8dSSimon Glassconfig CMD_CRC32 39472a8cf8dSSimon Glass bool "crc32" 395d70f919eSSimon Glass select HASH 39672a8cf8dSSimon Glass default y 39772a8cf8dSSimon Glass help 39872a8cf8dSSimon Glass Compute CRC32. 39972a8cf8dSSimon Glass 400221a949eSDaniel Thompsonconfig CRC32_VERIFY 401221a949eSDaniel Thompson bool "crc32 -v" 402221a949eSDaniel Thompson depends on CMD_CRC32 403221a949eSDaniel Thompson help 404221a949eSDaniel Thompson Add -v option to verify data against a crc32 checksum. 405221a949eSDaniel Thompson 406a1dc980dSSimon Glassconfig CMD_EEPROM 407a1dc980dSSimon Glass bool "eeprom - EEPROM subsystem" 408a1dc980dSSimon Glass help 409a1dc980dSSimon Glass (deprecated, needs conversion to driver model) 410a1dc980dSSimon Glass Provides commands to read and write EEPROM (Electrically Erasable 411a1dc980dSSimon Glass Programmable Read Only Memory) chips that are connected over an 412a1dc980dSSimon Glass I2C bus. 413a1dc980dSSimon Glass 414a1dc980dSSimon Glassconfig CMD_EEPROM_LAYOUT 415a1dc980dSSimon Glass bool "Enable layout-aware eeprom commands" 416a1dc980dSSimon Glass depends on CMD_EEPROM 417a1dc980dSSimon Glass help 418a1dc980dSSimon Glass (deprecated, needs conversion to driver model) 419a1dc980dSSimon Glass When enabled, additional eeprom sub-commands become available. 420a1dc980dSSimon Glass 421a1dc980dSSimon Glass eeprom print - prints the contents of the eeprom in a human-readable 422a1dc980dSSimon Glass way (eeprom layout fields, and data formatted to be fit for human 423a1dc980dSSimon Glass consumption). 424a1dc980dSSimon Glass 425a1dc980dSSimon Glass eeprom update - allows user to update eeprom fields by specifying 426a1dc980dSSimon Glass the field name, and providing the new data in a human readable format 427a1dc980dSSimon Glass (same format as displayed by the eeprom print command). 428a1dc980dSSimon Glass 429a1dc980dSSimon Glass Both commands can either auto detect the layout, or be told which 430a1dc980dSSimon Glass layout to use. 431a1dc980dSSimon Glass 432a1dc980dSSimon Glass Feature API: 433a1dc980dSSimon Glass __weak int parse_layout_version(char *str) 434a1dc980dSSimon Glass - override to provide your own layout name parsing 435a1dc980dSSimon Glass __weak void __eeprom_layout_assign(struct eeprom_layout *layout, 436a1dc980dSSimon Glass int layout_version); 437a1dc980dSSimon Glass - override to setup the layout metadata based on the version 438a1dc980dSSimon Glass __weak int eeprom_layout_detect(unsigned char *data) 439a1dc980dSSimon Glass - override to provide your own algorithm for detecting layout 440a1dc980dSSimon Glass version 441a1dc980dSSimon Glass eeprom_field.c 442a1dc980dSSimon Glass - contains various printing and updating functions for common 443a1dc980dSSimon Glass types of eeprom fields. Can be used for defining 444a1dc980dSSimon Glass custom layouts. 445a1dc980dSSimon Glass 446a1dc980dSSimon Glassconfig EEPROM_LAYOUT_HELP_STRING 447a1dc980dSSimon Glass string "Tells user what layout names are supported" 448a1dc980dSSimon Glass depends on CMD_EEPROM_LAYOUT 449a1dc980dSSimon Glass default "<not defined>" 450a1dc980dSSimon Glass help 451a1dc980dSSimon Glass Help printed with the LAYOUT VERSIONS part of the 'eeprom' 452a1dc980dSSimon Glass command's help. 453a1dc980dSSimon Glass 454ba71be54SSimon Glassconfig LOOPW 455ba71be54SSimon Glass bool "loopw" 456ba71be54SSimon Glass help 457ba71be54SSimon Glass Infinite write loop on address range 458ba71be54SSimon Glass 459bea79d7dSAndre Przywaraconfig CMD_MD5SUM 460bea79d7dSAndre Przywara bool "md5sum" 461bea79d7dSAndre Przywara default n 462bea79d7dSAndre Przywara select MD5 463bea79d7dSAndre Przywara help 464bea79d7dSAndre Przywara Compute MD5 checksum. 465bea79d7dSAndre Przywara 466221a949eSDaniel Thompsonconfig MD5SUM_VERIFY 467bea79d7dSAndre Przywara bool "md5sum -v" 468bea79d7dSAndre Przywara default n 469bea79d7dSAndre Przywara depends on CMD_MD5SUM 470bea79d7dSAndre Przywara help 471bea79d7dSAndre Przywara Add -v option to verify data against an MD5 checksum. 472bea79d7dSAndre Przywara 473ba71be54SSimon Glassconfig CMD_MEMINFO 474ba71be54SSimon Glass bool "meminfo" 475221a949eSDaniel Thompson help 476ba71be54SSimon Glass Display memory information. 477221a949eSDaniel Thompson 478ba71be54SSimon Glassconfig CMD_MEMORY 479ba71be54SSimon Glass bool "md, mm, nm, mw, cp, cmp, base, loop" 480ba71be54SSimon Glass default y 481221a949eSDaniel Thompson help 482ba71be54SSimon Glass Memory commands. 483ba71be54SSimon Glass md - memory display 484ba71be54SSimon Glass mm - memory modify (auto-incrementing address) 485ba71be54SSimon Glass nm - memory modify (constant address) 486ba71be54SSimon Glass mw - memory write (fill) 487ba71be54SSimon Glass cp - memory copy 488ba71be54SSimon Glass cmp - memory compare 489ba71be54SSimon Glass base - print or set address offset 490ba71be54SSimon Glass loop - initialize loop on address range 49172a8cf8dSSimon Glass 49272a8cf8dSSimon Glassconfig CMD_MEMTEST 49372a8cf8dSSimon Glass bool "memtest" 49472a8cf8dSSimon Glass help 49572a8cf8dSSimon Glass Simple RAM read/write test. 49672a8cf8dSSimon Glass 49772a8cf8dSSimon Glassconfig CMD_MX_CYCLIC 49872a8cf8dSSimon Glass bool "mdc, mwc" 49972a8cf8dSSimon Glass help 50072a8cf8dSSimon Glass mdc - memory display cyclic 50172a8cf8dSSimon Glass mwc - memory write cyclic 50272a8cf8dSSimon Glass 503ba71be54SSimon Glassconfig CMD_SHA1SUM 504ba71be54SSimon Glass bool "sha1sum" 505ba71be54SSimon Glass select SHA1 50672a8cf8dSSimon Glass help 507ba71be54SSimon Glass Compute SHA1 checksum. 508ba71be54SSimon Glass 509ba71be54SSimon Glassconfig SHA1SUM_VERIFY 510ba71be54SSimon Glass bool "sha1sum -v" 511ba71be54SSimon Glass depends on CMD_SHA1SUM 512ba71be54SSimon Glass help 513ba71be54SSimon Glass Add -v option to verify data against a SHA1 checksum. 51472a8cf8dSSimon Glass 51500805d7aSSimon Glassconfig CMD_STRINGS 51600805d7aSSimon Glass bool "strings - display strings in memory" 51700805d7aSSimon Glass help 51800805d7aSSimon Glass This works similarly to the Unix 'strings' command except that it 51900805d7aSSimon Glass works with a memory range. String of printable characters found 52000805d7aSSimon Glass within the range are displayed. The minimum number of characters 52100805d7aSSimon Glass for a sequence to be considered a string can be provided. 52200805d7aSSimon Glass 523ee7c0e71SSimon Glassendmenu 524ee7c0e71SSimon Glass 525ee7c0e71SSimon Glassmenu "Compression commands" 526ee7c0e71SSimon Glass 527ee7c0e71SSimon Glassconfig CMD_LZMADEC 528ee7c0e71SSimon Glass bool "lzmadec" 529ee7c0e71SSimon Glass select LZMA 530ee7c0e71SSimon Glass help 531ee7c0e71SSimon Glass Support decompressing an LZMA (Lempel-Ziv-Markov chain algorithm) 532ee7c0e71SSimon Glass image from memory. 533ee7c0e71SSimon Glass 534e9d33e73SMasahiro Yamadaconfig CMD_UNZIP 535e9d33e73SMasahiro Yamada bool "unzip" 536e9d33e73SMasahiro Yamada help 537e9d33e73SMasahiro Yamada Uncompress a zip-compressed memory region. 538e9d33e73SMasahiro Yamada 539e9d33e73SMasahiro Yamadaconfig CMD_ZIP 540e9d33e73SMasahiro Yamada bool "zip" 541e9d33e73SMasahiro Yamada help 542e9d33e73SMasahiro Yamada Compress a memory region with zlib deflate method. 543e9d33e73SMasahiro Yamada 54472a8cf8dSSimon Glassendmenu 54572a8cf8dSSimon Glass 54672a8cf8dSSimon Glassmenu "Device access commands" 54772a8cf8dSSimon Glass 5480c19b4d1SSimon Glassconfig CMD_ARMFLASH 5490c19b4d1SSimon Glass #depends on FLASH_CFI_DRIVER 5500c19b4d1SSimon Glass bool "armflash" 5510c19b4d1SSimon Glass help 5520c19b4d1SSimon Glass ARM Ltd reference designs flash partition access 5530c19b4d1SSimon Glass 554d315628eSSimon Glassconfig CMD_CLK 555d315628eSSimon Glass bool "clk - Show clock frequencies" 556d315628eSSimon Glass help 557d315628eSSimon Glass (deprecated) 558d315628eSSimon Glass Shows clock frequences by calling a sock_clk_dump() hook function. 559d315628eSSimon Glass This is depreated in favour of using the CLK uclass and accessing 560d315628eSSimon Glass clock values from associated drivers. However currently no command 561d315628eSSimon Glass exists for this. 562d315628eSSimon Glass 56372a8cf8dSSimon Glassconfig CMD_DEMO 56472a8cf8dSSimon Glass bool "demo - Demonstration commands for driver model" 56572a8cf8dSSimon Glass depends on DM 56672a8cf8dSSimon Glass help 56772a8cf8dSSimon Glass Provides a 'demo' command which can be used to play around with 56872a8cf8dSSimon Glass driver model. To use this properly you will need to enable one or 56972a8cf8dSSimon Glass both of the demo devices (DM_DEMO_SHAPE and DM_DEMO_SIMPLE). 57072a8cf8dSSimon Glass Otherwise you will always get an empty list of devices. The demo 57172a8cf8dSSimon Glass devices are defined in the sandbox device tree, so the easiest 57272a8cf8dSSimon Glass option is to use sandbox and pass the -d point to sandbox's 57372a8cf8dSSimon Glass u-boot.dtb file. 57472a8cf8dSSimon Glass 5750c19b4d1SSimon Glassconfig CMD_DFU 5760c19b4d1SSimon Glass bool "dfu" 5770c19b4d1SSimon Glass select USB_FUNCTION_DFU 5780c19b4d1SSimon Glass help 5790c19b4d1SSimon Glass Enables the command "dfu" which is used to have U-Boot create a DFU 580*00fd59ddSSimon Glass class device via USB. This command requires that the "dfu_alt_info" 581*00fd59ddSSimon Glass environment variable be set and define the alt settings to expose to 582*00fd59ddSSimon Glass the host. 5830c19b4d1SSimon Glass 5840c19b4d1SSimon Glassconfig CMD_DM 5850c19b4d1SSimon Glass bool "dm - Access to driver model information" 5860c19b4d1SSimon Glass depends on DM 5870c19b4d1SSimon Glass default y 5880c19b4d1SSimon Glass help 5890c19b4d1SSimon Glass Provides access to driver model data structures and information, 5900c19b4d1SSimon Glass such as a list of devices, list of uclasses and the state of each 5910c19b4d1SSimon Glass device (e.g. activated). This is not required for operation, but 5920c19b4d1SSimon Glass can be useful to see the state of driver model for debugging or 5930c19b4d1SSimon Glass interest. 5940c19b4d1SSimon Glass 5950c19b4d1SSimon Glassconfig CMD_FDC 5960c19b4d1SSimon Glass bool "fdcboot - Boot from floppy device" 5970c19b4d1SSimon Glass help 5980c19b4d1SSimon Glass The 'fdtboot' command allows booting an image from a floppy disk. 5990c19b4d1SSimon Glass 6000c19b4d1SSimon Glassconfig CMD_FLASH 6010c19b4d1SSimon Glass bool "flinfo, erase, protect" 6020c19b4d1SSimon Glass default y 6030c19b4d1SSimon Glass help 6040c19b4d1SSimon Glass NOR flash support. 6050c19b4d1SSimon Glass flinfo - print FLASH memory information 6060c19b4d1SSimon Glass erase - FLASH memory 6070c19b4d1SSimon Glass protect - enable or disable FLASH write protection 6080c19b4d1SSimon Glass 6090c19b4d1SSimon Glassconfig CMD_FPGA 6100c19b4d1SSimon Glass bool "fpga" 6110c19b4d1SSimon Glass default y 6120c19b4d1SSimon Glass help 6130c19b4d1SSimon Glass FPGA support. 6140c19b4d1SSimon Glass 6150c19b4d1SSimon Glassconfig CMD_FPGA_LOADBP 6160c19b4d1SSimon Glass bool "fpga loadbp - load partial bitstream (Xilinx only)" 6170c19b4d1SSimon Glass depends on CMD_FPGA 6180c19b4d1SSimon Glass help 6190c19b4d1SSimon Glass Supports loading an FPGA device from a bitstream buffer containing 6200c19b4d1SSimon Glass a partial bitstream. 6210c19b4d1SSimon Glass 6220c19b4d1SSimon Glassconfig CMD_FPGA_LOADFS 6230c19b4d1SSimon Glass bool "fpga loadfs - load bitstream from FAT filesystem (Xilinx only)" 6240c19b4d1SSimon Glass depends on CMD_FPGA 6250c19b4d1SSimon Glass help 6260c19b4d1SSimon Glass Supports loading an FPGA device from a FAT filesystem. 6270c19b4d1SSimon Glass 6280c19b4d1SSimon Glassconfig CMD_FPGA_LOADMK 6290c19b4d1SSimon Glass bool "fpga loadmk - load bitstream from image" 6300c19b4d1SSimon Glass depends on CMD_FPGA 6310c19b4d1SSimon Glass help 6320c19b4d1SSimon Glass Supports loading an FPGA device from a image generated by mkimage. 6330c19b4d1SSimon Glass 6340c19b4d1SSimon Glassconfig CMD_FPGA_LOADP 6350c19b4d1SSimon Glass bool "fpga loadp - load partial bitstream" 6360c19b4d1SSimon Glass depends on CMD_FPGA 6370c19b4d1SSimon Glass help 6380c19b4d1SSimon Glass Supports loading an FPGA device from a bitstream buffer containing 6390c19b4d1SSimon Glass a partial bitstream. 6400c19b4d1SSimon Glass 6410c19b4d1SSimon Glassconfig CMD_FPGAD 6420c19b4d1SSimon Glass bool "fpgad - dump FPGA registers" 6430c19b4d1SSimon Glass help 6440c19b4d1SSimon Glass (legacy, needs conversion to driver model) 6450c19b4d1SSimon Glass Provides a way to dump FPGA registers by calling the board-specific 6460c19b4d1SSimon Glass fpga_get_reg() function. This functions similarly to the 'md' 6470c19b4d1SSimon Glass command. 6480c19b4d1SSimon Glass 6490c19b4d1SSimon Glassconfig CMD_FUSE 6500c19b4d1SSimon Glass bool "fuse - support for the fuse subssystem" 6510c19b4d1SSimon Glass help 6520c19b4d1SSimon Glass (deprecated - needs conversion to driver model) 6530c19b4d1SSimon Glass This allows reading, sensing, programming or overriding fuses 6540c19b4d1SSimon Glass which control the behaviour of the device. The command uses the 6550c19b4d1SSimon Glass fuse_...() API. 6560c19b4d1SSimon Glass 6570c19b4d1SSimon Glassconfig CMD_GPIO 6580c19b4d1SSimon Glass bool "gpio" 6590c19b4d1SSimon Glass help 6600c19b4d1SSimon Glass GPIO support. 6610c19b4d1SSimon Glass 6620c19b4d1SSimon Glassconfig CMD_GPT 6630c19b4d1SSimon Glass bool "GPT (GUID Partition Table) command" 6640c19b4d1SSimon Glass select PARTITION_UUIDS 6650c19b4d1SSimon Glass select EFI_PARTITION 6660c19b4d1SSimon Glass help 6670c19b4d1SSimon Glass Enable the 'gpt' command to ready and write GPT style partition 6680c19b4d1SSimon Glass tables. 6690c19b4d1SSimon Glass 6700c19b4d1SSimon Glassconfig CMD_GPT_RENAME 6710c19b4d1SSimon Glass bool "GPT partition renaming commands" 6720c19b4d1SSimon Glass depends on CMD_GPT 6730c19b4d1SSimon Glass help 6740c19b4d1SSimon Glass Enables the 'gpt' command to interchange names on two GPT 6750c19b4d1SSimon Glass partitions via the 'gpt swap' command or to rename single 6760c19b4d1SSimon Glass partitions via the 'rename' command. 6770c19b4d1SSimon Glass 67875eb9976SSimon Glassconfig CMD_IDE 67975eb9976SSimon Glass bool "ide - Support for IDE drivers" 680fc843a02SSimon Glass select IDE 68175eb9976SSimon Glass help 68275eb9976SSimon Glass Provides an 'ide' command which allows accessing the IDE drive, 68375eb9976SSimon Glass reseting the IDE interface, printing the partition table and 68475eb9976SSimon Glass geting device info. It also enables the 'diskboot' command which 68575eb9976SSimon Glass permits booting from an IDE drive. 68675eb9976SSimon Glass 687594e8d1cSSimon Glassconfig CMD_IO 688594e8d1cSSimon Glass bool "io - Support for performing I/O accesses" 689594e8d1cSSimon Glass help 690594e8d1cSSimon Glass Provides an 'iod' command to display I/O space and an 'iow' command 691594e8d1cSSimon Glass to write values to the I/O space. This can be useful for manually 692594e8d1cSSimon Glass checking the state of devices during boot when debugging device 693594e8d1cSSimon Glass drivers, etc. 694594e8d1cSSimon Glass 6957d0f5c13SSimon Glassconfig CMD_IOTRACE 6967d0f5c13SSimon Glass bool "iotrace - Support for tracing I/O activity" 6977d0f5c13SSimon Glass help 6987d0f5c13SSimon Glass Provides an 'iotrace' command which supports recording I/O reads and 6997d0f5c13SSimon Glass writes in a trace buffer in memory . It also maintains a checksum 7007d0f5c13SSimon Glass of the trace records (even if space is exhausted) so that the 7017d0f5c13SSimon Glass sequence of I/O accesses can be verified. 7027d0f5c13SSimon Glass 7037d0f5c13SSimon Glass When debugging drivers it is useful to see what I/O accesses were 7047d0f5c13SSimon Glass done and in what order. 7057d0f5c13SSimon Glass 7067d0f5c13SSimon Glass Even if the individual accesses are of little interest it can be 7077d0f5c13SSimon Glass useful to verify that the access pattern is consistent each time 7087d0f5c13SSimon Glass an operation is performed. In this case a checksum can be used to 7097d0f5c13SSimon Glass characterise the operation of a driver. The checksum can be compared 7107d0f5c13SSimon Glass across different runs of the operation to verify that the driver is 7117d0f5c13SSimon Glass working properly. 7127d0f5c13SSimon Glass 7137d0f5c13SSimon Glass In particular, when performing major refactoring of the driver, where 7147d0f5c13SSimon Glass the access pattern should not change, the checksum provides assurance 7157d0f5c13SSimon Glass that the refactoring work has not broken the driver. 7167d0f5c13SSimon Glass 7177d0f5c13SSimon Glass This works by sneaking into the io.h heder for an architecture and 7187d0f5c13SSimon Glass redirecting I/O accesses through iotrace's tracing mechanism. 7197d0f5c13SSimon Glass 7207d0f5c13SSimon Glass For now no commands are provided to examine the trace buffer. The 7217d0f5c13SSimon Glass format is fairly simple, so 'md' is a reasonable substitute. 7227d0f5c13SSimon Glass 7237d0f5c13SSimon Glass Note: The checksum feature is only useful for I/O regions where the 7247d0f5c13SSimon Glass contents do not change outside of software control. Where this is not 7257d0f5c13SSimon Glass suitable you can fall back to manually comparing the addresses. It 7267d0f5c13SSimon Glass might be useful to enhance tracing to only checksum the accesses and 7277d0f5c13SSimon Glass not the data read/written. 7287d0f5c13SSimon Glass 7290c19b4d1SSimon Glassconfig CMD_I2C 7300c19b4d1SSimon Glass bool "i2c" 7310c19b4d1SSimon Glass help 7320c19b4d1SSimon Glass I2C support. 7330c19b4d1SSimon Glass 73472a8cf8dSSimon Glassconfig CMD_LOADB 73572a8cf8dSSimon Glass bool "loadb" 73672a8cf8dSSimon Glass default y 73772a8cf8dSSimon Glass help 73872a8cf8dSSimon Glass Load a binary file over serial line. 73972a8cf8dSSimon Glass 74072a8cf8dSSimon Glassconfig CMD_LOADS 74172a8cf8dSSimon Glass bool "loads" 74272a8cf8dSSimon Glass default y 74372a8cf8dSSimon Glass help 74472a8cf8dSSimon Glass Load an S-Record file over serial line 74572a8cf8dSSimon Glass 746ab8243e4SDinh Nguyenconfig CMD_MMC 747ab8243e4SDinh Nguyen bool "mmc" 748ab8243e4SDinh Nguyen help 749ab8243e4SDinh Nguyen MMC memory mapped support. 750ab8243e4SDinh Nguyen 75172a8cf8dSSimon Glassconfig CMD_NAND 75272a8cf8dSSimon Glass bool "nand" 753522c282fSMaxime Ripard default y if NAND_SUNXI 75472a8cf8dSSimon Glass help 75572a8cf8dSSimon Glass NAND support. 75672a8cf8dSSimon Glass 757e915d201SBoris Brezillonif CMD_NAND 758e915d201SBoris Brezillonconfig CMD_NAND_TRIMFFS 759e915d201SBoris Brezillon bool "nand write.trimffs" 760d482a8dfSHans de Goede default y if ARCH_SUNXI 761e915d201SBoris Brezillon help 762e915d201SBoris Brezillon Allows one to skip empty pages when flashing something on a NAND. 763e915d201SBoris Brezillon 764e915d201SBoris Brezillonconfig CMD_NAND_LOCK_UNLOCK 765e915d201SBoris Brezillon bool "nand lock/unlock" 766e915d201SBoris Brezillon help 767e915d201SBoris Brezillon NAND locking support. 768e915d201SBoris Brezillon 769e915d201SBoris Brezillonconfig CMD_NAND_TORTURE 770e915d201SBoris Brezillon bool "nand torture" 771e915d201SBoris Brezillon help 772e915d201SBoris Brezillon NAND torture support. 773e915d201SBoris Brezillon 774e915d201SBoris Brezillonendif # CMD_NAND 775e915d201SBoris Brezillon 776f38c5f52SSimon Glassconfig CMD_MMC_SPI 777f38c5f52SSimon Glass bool "mmc_spi - Set up MMC SPI device" 778f38c5f52SSimon Glass help 779f38c5f52SSimon Glass Provides a way to set up an MMC (Multimedia Card) SPI (Serial 780f38c5f52SSimon Glass Peripheral Interface) device. The device provides a means of 781f38c5f52SSimon Glass accessing an MMC device via SPI using a single data line, limited 782f38c5f52SSimon Glass to 20MHz. It is useful since it reduces the amount of protocol code 783f38c5f52SSimon Glass required. 784f38c5f52SSimon Glass 785978f0854SSimon Glassconfig CMD_ONENAND 786978f0854SSimon Glass bool "onenand - access to onenand device" 787978f0854SSimon Glass help 788978f0854SSimon Glass OneNAND is a brand of NAND ('Not AND' gate) flash which provides 789978f0854SSimon Glass various useful features. This command allows reading, writing, 790978f0854SSimon Glass and erasing blocks. It allso provides a way to show and change 791978f0854SSimon Glass bad blocks, and test the device. 792978f0854SSimon Glass 793b331cd62SPatrick Delaunayconfig CMD_PART 794b331cd62SPatrick Delaunay bool "part" 795b331cd62SPatrick Delaunay select PARTITION_UUIDS 796b331cd62SPatrick Delaunay help 797b331cd62SPatrick Delaunay Read and display information about the partition table on 798b331cd62SPatrick Delaunay various media. 799b331cd62SPatrick Delaunay 8006500ec7aSSimon Glassconfig CMD_PCI 8016500ec7aSSimon Glass bool "pci - Access PCI devices" 8026500ec7aSSimon Glass help 8036500ec7aSSimon Glass Provide access to PCI (Peripheral Interconnect Bus), a type of bus 8046500ec7aSSimon Glass used on some devices to allow the CPU to communicate with its 8056500ec7aSSimon Glass peripherals. Sub-commands allow bus enumeration, displaying and 8066500ec7aSSimon Glass changing configuration space and a few other features. 8076500ec7aSSimon Glass 8087f666555SSimon Glassconfig CMD_PCMCIA 8097f666555SSimon Glass bool "pinit - Set up PCMCIA device" 8107f666555SSimon Glass help 8117f666555SSimon Glass Provides a means to initialise a PCMCIA (Personal Computer Memory 8127f666555SSimon Glass Card International Association) device. This is an old standard from 8137f666555SSimon Glass about 1990. These devices are typically removable memory or network 8147f666555SSimon Glass cards using a standard 68-pin connector. 8157f666555SSimon Glass 816b75dfd2dSSimon Glassconfig CMD_READ 817b75dfd2dSSimon Glass bool "read - Read binary data from a partition" 818b75dfd2dSSimon Glass help 819b75dfd2dSSimon Glass Provides low-level access to the data in a partition. 820b75dfd2dSSimon Glass 82172a8cf8dSSimon Glassconfig CMD_REMOTEPROC 82272a8cf8dSSimon Glass bool "remoteproc" 82372a8cf8dSSimon Glass depends on REMOTEPROC 82472a8cf8dSSimon Glass help 82572a8cf8dSSimon Glass Support for Remote Processor control 82672a8cf8dSSimon Glass 8273bf926c0SSimon Glassconfig CMD_SATA 8283bf926c0SSimon Glass bool "sata - Access SATA subsystem" 82910e40d54SSimon Glass select SATA 8303bf926c0SSimon Glass help 8313bf926c0SSimon Glass SATA (Serial Advanced Technology Attachment) is a serial bus 8323bf926c0SSimon Glass standard for connecting to hard drives and other storage devices. 8333bf926c0SSimon Glass This command provides information about attached devices and allows 8343bf926c0SSimon Glass reading, writing and other operations. 8353bf926c0SSimon Glass 8363bf926c0SSimon Glass SATA replaces PATA (originally just ATA), which stands for Parallel AT 8373bf926c0SSimon Glass Attachment, where AT refers to an IBM AT (Advanced Technology) 8383bf926c0SSimon Glass computer released in 1984. 8393bf926c0SSimon Glass 84015dc63d6SSimon Glassconfig CMD_SAVES 84115dc63d6SSimon Glass bool "saves - Save a file over serial in S-Record format" 84215dc63d6SSimon Glass help 84315dc63d6SSimon Glass Provides a way to save a binary file using the Motorola S-Record 84415dc63d6SSimon Glass format over the serial line. 84515dc63d6SSimon Glass 846efce2442SSimon Glassconfig CMD_SDRAM 847efce2442SSimon Glass bool "sdram - Print SDRAM configuration information" 848efce2442SSimon Glass help 849efce2442SSimon Glass Provides information about attached SDRAM. This assumed that the 850efce2442SSimon Glass SDRAM has an EEPROM with information that can be read using the 851efce2442SSimon Glass I2C bus. This is only available on some boards. 852efce2442SSimon Glass 8530c19b4d1SSimon Glassconfig CMD_SF 8540c19b4d1SSimon Glass bool "sf" 8550c19b4d1SSimon Glass help 8560c19b4d1SSimon Glass SPI Flash support 8570c19b4d1SSimon Glass 858719d36eeSSimon Glassconfig CMD_SF_TEST 859719d36eeSSimon Glass bool "sf test - Allow testing of SPI flash" 860719d36eeSSimon Glass help 861719d36eeSSimon Glass Provides a way to test that SPI flash is working correctly. The 862719d36eeSSimon Glass test is destructive, in that an area of SPI flash must be provided 863719d36eeSSimon Glass for the test to use. Performance information is also provided, 864719d36eeSSimon Glass measuring the performance of reading, writing and erasing in 865719d36eeSSimon Glass Mbps (Million Bits Per Second). This value should approximately 866719d36eeSSimon Glass equal the SPI bus speed for a single-bit-wide SPI bus, assuming 867719d36eeSSimon Glass everything is working properly. 868719d36eeSSimon Glass 8690c19b4d1SSimon Glassconfig CMD_SPI 8700c19b4d1SSimon Glass bool "sspi" 8710c19b4d1SSimon Glass help 8720c19b4d1SSimon Glass SPI utility command. 8730c19b4d1SSimon Glass 8745605aa8aSSimon Glassconfig CMD_TSI148 8755605aa8aSSimon Glass bool "tsi148 - Command to access tsi148 device" 8765605aa8aSSimon Glass help 8775605aa8aSSimon Glass This provides various sub-commands to initialise and configure the 8785605aa8aSSimon Glass Turndra tsi148 device. See the command help for full details. 8795605aa8aSSimon Glass 8802a242e3eSSimon Glassconfig CMD_UNIVERSE 8812a242e3eSSimon Glass bool "universe - Command to set up the Turndra Universe controller" 8822a242e3eSSimon Glass help 8832a242e3eSSimon Glass This allows setting up the VMEbus provided by this controller. 8842a242e3eSSimon Glass See the command help for full details. 8852a242e3eSSimon Glass 8860c19b4d1SSimon Glassconfig CMD_USB 8870c19b4d1SSimon Glass bool "usb" 8880c19b4d1SSimon Glass help 8890c19b4d1SSimon Glass USB support. 8900c19b4d1SSimon Glass 8910c19b4d1SSimon Glassconfig CMD_USB_MASS_STORAGE 8920c19b4d1SSimon Glass bool "UMS usb mass storage" 8930c19b4d1SSimon Glass help 8940c19b4d1SSimon Glass USB mass storage support 8950c19b4d1SSimon Glass 89672a8cf8dSSimon Glassendmenu 89772a8cf8dSSimon Glass 89872a8cf8dSSimon Glass 89972a8cf8dSSimon Glassmenu "Shell scripting commands" 90072a8cf8dSSimon Glass 90172a8cf8dSSimon Glassconfig CMD_ECHO 90272a8cf8dSSimon Glass bool "echo" 90372a8cf8dSSimon Glass default y 90472a8cf8dSSimon Glass help 90572a8cf8dSSimon Glass Echo args to console 90672a8cf8dSSimon Glass 90772a8cf8dSSimon Glassconfig CMD_ITEST 90872a8cf8dSSimon Glass bool "itest" 90972a8cf8dSSimon Glass default y 91072a8cf8dSSimon Glass help 91172a8cf8dSSimon Glass Return true/false on integer compare. 91272a8cf8dSSimon Glass 91372a8cf8dSSimon Glassconfig CMD_SOURCE 91472a8cf8dSSimon Glass bool "source" 91572a8cf8dSSimon Glass default y 91672a8cf8dSSimon Glass help 91772a8cf8dSSimon Glass Run script from memory 91872a8cf8dSSimon Glass 91972a8cf8dSSimon Glassconfig CMD_SETEXPR 92072a8cf8dSSimon Glass bool "setexpr" 92172a8cf8dSSimon Glass default y 92272a8cf8dSSimon Glass help 92372a8cf8dSSimon Glass Evaluate boolean and math expressions and store the result in an env 92472a8cf8dSSimon Glass variable. 92572a8cf8dSSimon Glass Also supports loading the value at a memory location into a variable. 92672a8cf8dSSimon Glass If CONFIG_REGEX is enabled, setexpr also supports a gsub function. 92772a8cf8dSSimon Glass 92872a8cf8dSSimon Glassendmenu 92972a8cf8dSSimon Glass 93072a8cf8dSSimon Glassmenu "Network commands" 93172a8cf8dSSimon Glass 93272a8cf8dSSimon Glassconfig CMD_NET 93372a8cf8dSSimon Glass bool "bootp, tftpboot" 93472a8cf8dSSimon Glass select NET 93572a8cf8dSSimon Glass default y 93672a8cf8dSSimon Glass help 93772a8cf8dSSimon Glass Network commands. 93872a8cf8dSSimon Glass bootp - boot image via network using BOOTP/TFTP protocol 93972a8cf8dSSimon Glass tftpboot - boot image via network using TFTP protocol 94072a8cf8dSSimon Glass 94172a8cf8dSSimon Glassconfig CMD_TFTPPUT 94272a8cf8dSSimon Glass bool "tftp put" 94372a8cf8dSSimon Glass help 94472a8cf8dSSimon Glass TFTP put command, for uploading files to a server 94572a8cf8dSSimon Glass 94672a8cf8dSSimon Glassconfig CMD_TFTPSRV 94772a8cf8dSSimon Glass bool "tftpsrv" 94872a8cf8dSSimon Glass help 94972a8cf8dSSimon Glass Act as a TFTP server and boot the first received file 95072a8cf8dSSimon Glass 95172a8cf8dSSimon Glassconfig CMD_RARP 95272a8cf8dSSimon Glass bool "rarpboot" 95372a8cf8dSSimon Glass help 95472a8cf8dSSimon Glass Boot image via network using RARP/TFTP protocol 95572a8cf8dSSimon Glass 95672a8cf8dSSimon Glassconfig CMD_DHCP 95772a8cf8dSSimon Glass bool "dhcp" 95872a8cf8dSSimon Glass help 95972a8cf8dSSimon Glass Boot image via network using DHCP/TFTP protocol 96072a8cf8dSSimon Glass 961bfb380b3SYann E. MORINconfig CMD_PXE 962bfb380b3SYann E. MORIN bool "pxe" 963bfb380b3SYann E. MORIN select MENU 964bfb380b3SYann E. MORIN help 965bfb380b3SYann E. MORIN Boot image via network using PXE protocol 966bfb380b3SYann E. MORIN 96772a8cf8dSSimon Glassconfig CMD_NFS 96872a8cf8dSSimon Glass bool "nfs" 96972a8cf8dSSimon Glass default y 97072a8cf8dSSimon Glass help 97172a8cf8dSSimon Glass Boot image via network using NFS protocol. 97272a8cf8dSSimon Glass 973ab8243e4SDinh Nguyenconfig CMD_MII 974ab8243e4SDinh Nguyen bool "mii" 975ab8243e4SDinh Nguyen help 976ab8243e4SDinh Nguyen Enable MII utility commands. 977ab8243e4SDinh Nguyen 97872a8cf8dSSimon Glassconfig CMD_PING 97972a8cf8dSSimon Glass bool "ping" 98072a8cf8dSSimon Glass help 98172a8cf8dSSimon Glass Send ICMP ECHO_REQUEST to network host 98272a8cf8dSSimon Glass 98372a8cf8dSSimon Glassconfig CMD_CDP 98472a8cf8dSSimon Glass bool "cdp" 98572a8cf8dSSimon Glass help 98672a8cf8dSSimon Glass Perform CDP network configuration 98772a8cf8dSSimon Glass 98872a8cf8dSSimon Glassconfig CMD_SNTP 98972a8cf8dSSimon Glass bool "sntp" 99072a8cf8dSSimon Glass help 99172a8cf8dSSimon Glass Synchronize RTC via network 99272a8cf8dSSimon Glass 99372a8cf8dSSimon Glassconfig CMD_DNS 99472a8cf8dSSimon Glass bool "dns" 99572a8cf8dSSimon Glass help 99672a8cf8dSSimon Glass Lookup the IP of a hostname 99772a8cf8dSSimon Glass 99872a8cf8dSSimon Glassconfig CMD_LINK_LOCAL 99972a8cf8dSSimon Glass bool "linklocal" 100072a8cf8dSSimon Glass help 100172a8cf8dSSimon Glass Acquire a network IP address using the link-local protocol 100272a8cf8dSSimon Glass 1003ef072200SSimon Glassconfig CMD_ETHSW 1004ef072200SSimon Glass bool "ethsw" 1005ef072200SSimon Glass help 1006ef072200SSimon Glass Allow control of L2 Ethernet switch commands. These are supported 1007ef072200SSimon Glass by the vsc9953 Ethernet driver at present. Sub-commands allow 1008ef072200SSimon Glass operations such as enabling / disabling a port and 1009ef072200SSimon Glass viewing/maintaining the filtering database (FDB) 1010ef072200SSimon Glass 101172a8cf8dSSimon Glassendmenu 101272a8cf8dSSimon Glass 101372a8cf8dSSimon Glassmenu "Misc commands" 101472a8cf8dSSimon Glass 10150f710258SSimon Glassconfig CMD_BMP 10160f710258SSimon Glass bool "Enable 'bmp' command" 10170f710258SSimon Glass depends on LCD || DM_VIDEO || VIDEO 10180f710258SSimon Glass help 10190f710258SSimon Glass This provides a way to obtain information about a BMP-format iamge 10200f710258SSimon Glass and to display it. BMP (which presumably stands for BitMaP) is a 10210f710258SSimon Glass file format defined by Microsoft which supports images of various 10220f710258SSimon Glass depths, formats and compression methods. Headers on the file 10230f710258SSimon Glass determine the formats used. This command can be used by first loading 10240f710258SSimon Glass the image into RAM, then using this command to look at it or display 10250f710258SSimon Glass it. 10260f710258SSimon Glass 10274893e34bSSimon Glassconfig CMD_BSP 10284893e34bSSimon Glass bool "Enable board-specific commands" 10294893e34bSSimon Glass help 10304893e34bSSimon Glass (deprecated: instead, please define a Kconfig option for each command) 10314893e34bSSimon Glass 10324893e34bSSimon Glass Some boards have board-specific commands which are only enabled 10334893e34bSSimon Glass during developemnt and need to be turned off for production. This 10344893e34bSSimon Glass option provides a way to control this. The commands that are enabled 10354893e34bSSimon Glass vary depending on the board. 10364893e34bSSimon Glass 1037cd3d4880STomas Melinconfig CMD_BKOPS_ENABLE 1038cd3d4880STomas Melin bool "mmc bkops enable" 1039cd3d4880STomas Melin depends on CMD_MMC 1040cd3d4880STomas Melin default n 1041cd3d4880STomas Melin help 1042cd3d4880STomas Melin Enable command for setting manual background operations handshake 1043cd3d4880STomas Melin on a eMMC device. The feature is optionally available on eMMC devices 1044cd3d4880STomas Melin conforming to standard >= 4.41. 1045cd3d4880STomas Melin 1046e40cf34aSEric Nelsonconfig CMD_BLOCK_CACHE 1047e40cf34aSEric Nelson bool "blkcache - control and stats for block cache" 1048e40cf34aSEric Nelson depends on BLOCK_CACHE 1049e40cf34aSEric Nelson default y if BLOCK_CACHE 1050e40cf34aSEric Nelson help 1051e40cf34aSEric Nelson Enable the blkcache command, which can be used to control the 1052e40cf34aSEric Nelson operation of the cache functions. 1053e40cf34aSEric Nelson This is most useful when fine-tuning the operation of the cache 1054e40cf34aSEric Nelson during development, but also allows the cache to be disabled when 1055e40cf34aSEric Nelson it might hurt performance (e.g. when using the ums command). 1056e40cf34aSEric Nelson 1057ab8243e4SDinh Nguyenconfig CMD_CACHE 1058ab8243e4SDinh Nguyen bool "icache or dcache" 1059ab8243e4SDinh Nguyen help 1060ab8243e4SDinh Nguyen Enable the "icache" and "dcache" commands 1061ab8243e4SDinh Nguyen 106293d66ee5SSimon Glassconfig CMD_DISPLAY 106393d66ee5SSimon Glass bool "Enable the 'display' command, for character displays" 106493d66ee5SSimon Glass help 106593d66ee5SSimon Glass (this needs porting to driver model) 106693d66ee5SSimon Glass This enables the 'display' command which allows a string to be 106793d66ee5SSimon Glass displayed on a simple board-specific display. Implement 106893d66ee5SSimon Glass display_putc() to use it. 106993d66ee5SSimon Glass 1070ffe2052dSSimon Glassconfig CMD_LED 1071ffe2052dSSimon Glass bool "led" 1072ffe2052dSSimon Glass default y if LED 1073ffe2052dSSimon Glass help 1074ffe2052dSSimon Glass Enable the 'led' command which allows for control of LEDs supported 1075ffe2052dSSimon Glass by the board. The LEDs can be listed with 'led list' and controlled 1076ffe2052dSSimon Glass with led on/off/togle/blink. Any LED drivers can be controlled with 1077ffe2052dSSimon Glass this command, e.g. led_gpio. 1078ffe2052dSSimon Glass 1079c9032ce1SChris Packhamconfig CMD_DATE 1080c9032ce1SChris Packham bool "date" 1081c9032ce1SChris Packham default y if DM_RTC 1082c9032ce1SChris Packham help 1083c9032ce1SChris Packham Enable the 'date' command for getting/setting the time/date in RTC 1084c9032ce1SChris Packham devices. 1085c9032ce1SChris Packham 108672a8cf8dSSimon Glassconfig CMD_TIME 108772a8cf8dSSimon Glass bool "time" 108872a8cf8dSSimon Glass help 108972a8cf8dSSimon Glass Run commands and summarize execution time. 109072a8cf8dSSimon Glass 1091d91a9d7fSSimon Glassconfig CMD_GETTIME 1092d91a9d7fSSimon Glass bool "gettime - read elapsed time" 1093d91a9d7fSSimon Glass help 1094d91a9d7fSSimon Glass Enable the 'gettime' command which reads the elapsed time since 1095d91a9d7fSSimon Glass U-Boot started running. This shows the time in seconds and 1096d91a9d7fSSimon Glass milliseconds. See also the 'bootstage' command which provides more 1097d91a9d7fSSimon Glass flexibility for boot timing. 1098d91a9d7fSSimon Glass 109972a8cf8dSSimon Glass# TODO: rename to CMD_SLEEP 110072a8cf8dSSimon Glassconfig CMD_MISC 110172a8cf8dSSimon Glass bool "sleep" 110272a8cf8dSSimon Glass default y 110372a8cf8dSSimon Glass help 110472a8cf8dSSimon Glass Delay execution for some time 110572a8cf8dSSimon Glass 110672a8cf8dSSimon Glassconfig CMD_TIMER 110772a8cf8dSSimon Glass bool "timer" 110872a8cf8dSSimon Glass help 110972a8cf8dSSimon Glass Access the system timer. 111072a8cf8dSSimon Glass 111172a8cf8dSSimon Glassconfig CMD_SOUND 111272a8cf8dSSimon Glass bool "sound" 111372a8cf8dSSimon Glass depends on SOUND 111472a8cf8dSSimon Glass help 111572a8cf8dSSimon Glass This provides basic access to the U-Boot's sound support. The main 111672a8cf8dSSimon Glass feature is to play a beep. 111772a8cf8dSSimon Glass 111872a8cf8dSSimon Glass sound init - set up sound system 111972a8cf8dSSimon Glass sound play - play a sound 112072a8cf8dSSimon Glass 112118686590SMiao Yanconfig CMD_QFW 1122dd6f3abbSTom Rini bool "qfw" 1123fcf5c041SMiao Yan select QFW 1124dd6f3abbSTom Rini help 1125dd6f3abbSTom Rini This provides access to the QEMU firmware interface. The main 1126dd6f3abbSTom Rini feature is to allow easy loading of files passed to qemu-system 1127dd6f3abbSTom Rini via -kernel / -initrd 1128fa61ef6bSKonstantin Porotchkin 1129fa61ef6bSKonstantin Porotchkinsource "cmd/mvebu/Kconfig" 1130fa61ef6bSKonstantin Porotchkin 11313cef3b31SSimon Glassconfig CMD_TERMINAL 11323cef3b31SSimon Glass bool "terminal - provides a way to attach a serial terminal" 11333cef3b31SSimon Glass help 11343cef3b31SSimon Glass Provides a 'cu'-like serial terminal command. This can be used to 11353cef3b31SSimon Glass access other serial ports from the system console. The terminal 11363cef3b31SSimon Glass is very simple with no special processing of characters. As with 11373cef3b31SSimon Glass cu, you can press ~. (tilde followed by period) to exit. 11383cef3b31SSimon Glass 11391aa4e8d0SSimon Glassconfig CMD_UUID 11401aa4e8d0SSimon Glass bool "uuid, guid - generation of unique IDs" 11411aa4e8d0SSimon Glass help 11421aa4e8d0SSimon Glass This enables two commands: 11431aa4e8d0SSimon Glass 11441aa4e8d0SSimon Glass uuid - generate random Universally Unique Identifier 11451aa4e8d0SSimon Glass guid - generate Globally Unique Identifier based on random UUID 11461aa4e8d0SSimon Glass 11471aa4e8d0SSimon Glass The two commands are very similar except for the endianness of the 11481aa4e8d0SSimon Glass output. 11491aa4e8d0SSimon Glass 115072a8cf8dSSimon Glassendmenu 115172a8cf8dSSimon Glass 115272a8cf8dSSimon Glassconfig CMD_BOOTSTAGE 115372a8cf8dSSimon Glass bool "Enable the 'bootstage' command" 115472a8cf8dSSimon Glass depends on BOOTSTAGE 115572a8cf8dSSimon Glass help 115672a8cf8dSSimon Glass Add a 'bootstage' command which supports printing a report 115772a8cf8dSSimon Glass and un/stashing of bootstage data. 115872a8cf8dSSimon Glass 115972a8cf8dSSimon Glassmenu "Power commands" 116072a8cf8dSSimon Glassconfig CMD_PMIC 116172a8cf8dSSimon Glass bool "Enable Driver Model PMIC command" 116272a8cf8dSSimon Glass depends on DM_PMIC 116372a8cf8dSSimon Glass help 116472a8cf8dSSimon Glass This is the pmic command, based on a driver model pmic's API. 116572a8cf8dSSimon Glass Command features are unchanged: 116672a8cf8dSSimon Glass - list - list pmic devices 116772a8cf8dSSimon Glass - pmic dev <id> - show or [set] operating pmic device (NEW) 116872a8cf8dSSimon Glass - pmic dump - dump registers 116972a8cf8dSSimon Glass - pmic read address - read byte of register at address 117072a8cf8dSSimon Glass - pmic write address - write byte to register at address 117172a8cf8dSSimon Glass The only one change for this command is 'dev' subcommand. 117272a8cf8dSSimon Glass 117372a8cf8dSSimon Glassconfig CMD_REGULATOR 117472a8cf8dSSimon Glass bool "Enable Driver Model REGULATOR command" 117572a8cf8dSSimon Glass depends on DM_REGULATOR 117672a8cf8dSSimon Glass help 117772a8cf8dSSimon Glass This command is based on driver model regulator's API. 117872a8cf8dSSimon Glass User interface features: 117972a8cf8dSSimon Glass - list - list regulator devices 118072a8cf8dSSimon Glass - regulator dev <id> - show or [set] operating regulator device 118172a8cf8dSSimon Glass - regulator info - print constraints info 118272a8cf8dSSimon Glass - regulator status - print operating status 118372a8cf8dSSimon Glass - regulator value <val] <-f> - print/[set] voltage value [uV] 118472a8cf8dSSimon Glass - regulator current <val> - print/[set] current value [uA] 118572a8cf8dSSimon Glass - regulator mode <id> - print/[set] operating mode id 118672a8cf8dSSimon Glass - regulator enable - enable the regulator output 118772a8cf8dSSimon Glass - regulator disable - disable the regulator output 118872a8cf8dSSimon Glass 118972a8cf8dSSimon Glass The '-f' (force) option can be used for set the value which exceeds 119072a8cf8dSSimon Glass the limits, which are found in device-tree and are kept in regulator's 119172a8cf8dSSimon Glass uclass platdata structure. 119272a8cf8dSSimon Glass 119372a8cf8dSSimon Glassendmenu 119472a8cf8dSSimon Glass 119572a8cf8dSSimon Glassmenu "Security commands" 1196b1a873dfSSimon Glassconfig CMD_AES 1197b1a873dfSSimon Glass bool "Enable the 'aes' command" 1198b1a873dfSSimon Glass select AES 1199b1a873dfSSimon Glass help 1200b1a873dfSSimon Glass This provides a means to encrypt and decrypt data using the AES 1201b1a873dfSSimon Glass (Advanced Encryption Standard). This algorithm uses a symetric key 1202b1a873dfSSimon Glass and is widely used as a streaming cipher. Different key lengths are 1203b1a873dfSSimon Glass supported by the algorithm but this command only supports 128 bits 1204b1a873dfSSimon Glass at present. 1205b1a873dfSSimon Glass 1206c04b9b34SSimon Glassconfig CMD_BLOB 1207c04b9b34SSimon Glass bool "Enable the 'blob' command" 1208c04b9b34SSimon Glass help 1209c04b9b34SSimon Glass This is used with the Freescale secure boot mechanism. 1210c04b9b34SSimon Glass 1211c04b9b34SSimon Glass Freescale's SEC block has built-in Blob Protocol which provides 1212c04b9b34SSimon Glass a method for protecting user-defined data across system power 1213c04b9b34SSimon Glass cycles. SEC block protects data in a data structure called a Blob, 1214c04b9b34SSimon Glass which provides both confidentiality and integrity protection. 1215c04b9b34SSimon Glass 1216c04b9b34SSimon Glass Encapsulating data as a blob 1217c04b9b34SSimon Glass Each time that the Blob Protocol is used to protect data, a 1218c04b9b34SSimon Glass different randomly generated key is used to encrypt the data. 1219c04b9b34SSimon Glass This random key is itself encrypted using a key which is derived 1220c04b9b34SSimon Glass from SoC's non-volatile secret key and a 16 bit Key identifier. 1221c04b9b34SSimon Glass The resulting encrypted key along with encrypted data is called a 1222c04b9b34SSimon Glass blob. The non-volatile secure key is available for use only during 1223c04b9b34SSimon Glass secure boot. 1224c04b9b34SSimon Glass 1225c04b9b34SSimon Glass During decapsulation, the reverse process is performed to get back 1226c04b9b34SSimon Glass the original data. 1227c04b9b34SSimon Glass 1228c04b9b34SSimon Glass Sub-commands: 1229c04b9b34SSimon Glass blob enc - encapsulating data as a cryptgraphic blob 1230c04b9b34SSimon Glass blob dec - decapsulating cryptgraphic blob to get the data 1231c04b9b34SSimon Glass 1232c04b9b34SSimon Glass Syntax: 1233c04b9b34SSimon Glass 1234c04b9b34SSimon Glass blob enc src dst len km 1235c04b9b34SSimon Glass 1236c04b9b34SSimon Glass Encapsulate and create blob of data $len bytes long 1237c04b9b34SSimon Glass at address $src and store the result at address $dst. 1238c04b9b34SSimon Glass $km is the 16 byte key modifier is also required for 1239c04b9b34SSimon Glass generation/use as key for cryptographic operation. Key 1240c04b9b34SSimon Glass modifier should be 16 byte long. 1241c04b9b34SSimon Glass 1242c04b9b34SSimon Glass blob dec src dst len km 1243c04b9b34SSimon Glass 1244c04b9b34SSimon Glass Decapsulate the blob of data at address $src and 1245c04b9b34SSimon Glass store result of $len byte at addr $dst. 1246c04b9b34SSimon Glass $km is the 16 byte key modifier is also required for 1247c04b9b34SSimon Glass generation/use as key for cryptographic operation. Key 1248c04b9b34SSimon Glass modifier should be 16 byte long. 1249c04b9b34SSimon Glass 1250551c3934SSimon Glassconfig CMD_HASH 1251551c3934SSimon Glass bool "Support 'hash' command" 1252d70f919eSSimon Glass select HASH 1253551c3934SSimon Glass help 1254551c3934SSimon Glass This provides a way to hash data in memory using various supported 1255551c3934SSimon Glass algorithms (such as SHA1, MD5, CRC32). The computed digest can be 1256551c3934SSimon Glass saved to memory or to an environment variable. It is also possible 1257551c3934SSimon Glass to verify a hash against data in memory. 1258551c3934SSimon Glass 1259221a949eSDaniel Thompsonconfig HASH_VERIFY 1260221a949eSDaniel Thompson bool "hash -v" 1261221a949eSDaniel Thompson depends on CMD_HASH 1262221a949eSDaniel Thompson help 1263221a949eSDaniel Thompson Add -v option to verify data against a hash. 1264221a949eSDaniel Thompson 126572a8cf8dSSimon Glassconfig CMD_TPM 126672a8cf8dSSimon Glass bool "Enable the 'tpm' command" 126772a8cf8dSSimon Glass depends on TPM 126872a8cf8dSSimon Glass help 126972a8cf8dSSimon Glass This provides a means to talk to a TPM from the command line. A wide 127072a8cf8dSSimon Glass range of commands if provided - see 'tpm help' for details. The 127172a8cf8dSSimon Glass command requires a suitable TPM on your board and the correct driver 127272a8cf8dSSimon Glass must be enabled. 127372a8cf8dSSimon Glass 127472a8cf8dSSimon Glassconfig CMD_TPM_TEST 127572a8cf8dSSimon Glass bool "Enable the 'tpm test' command" 127672a8cf8dSSimon Glass depends on CMD_TPM 127772a8cf8dSSimon Glass help 127872a8cf8dSSimon Glass This provides a a series of tests to confirm that the TPM is working 127972a8cf8dSSimon Glass correctly. The tests cover initialisation, non-volatile RAM, extend, 128072a8cf8dSSimon Glass global lock and checking that timing is within expectations. The 128172a8cf8dSSimon Glass tests pass correctly on Infineon TPMs but may need to be adjusted 128272a8cf8dSSimon Glass for other devices. 128372a8cf8dSSimon Glass 128472a8cf8dSSimon Glassendmenu 128572a8cf8dSSimon Glass 1286bfeba017SMoritz Fischermenu "Firmware commands" 1287bfeba017SMoritz Fischerconfig CMD_CROS_EC 1288bfeba017SMoritz Fischer bool "Enable crosec command" 1289bfeba017SMoritz Fischer depends on CROS_EC 1290bfeba017SMoritz Fischer default y 1291bfeba017SMoritz Fischer help 1292bfeba017SMoritz Fischer Enable command-line access to the Chrome OS EC (Embedded 1293bfeba017SMoritz Fischer Controller). This provides the 'crosec' command which has 1294bfeba017SMoritz Fischer a number of sub-commands for performing EC tasks such as 1295bfeba017SMoritz Fischer updating its flash, accessing a small saved context area 1296bfeba017SMoritz Fischer and talking to the I2C bus behind the EC (if there is one). 1297bfeba017SMoritz Fischerendmenu 1298bfeba017SMoritz Fischer 1299ab8243e4SDinh Nguyenmenu "Filesystem commands" 1300d66a10fcSSimon Glassconfig CMD_CBFS 1301d66a10fcSSimon Glass bool "Enable the 'cbfs' command" 1302deb95999SSimon Glass depends on FS_CBFS 1303d66a10fcSSimon Glass help 1304d66a10fcSSimon Glass Define this to enable support for reading from a Coreboot 1305d66a10fcSSimon Glass filesystem. This is a ROM-based filesystem used for accessing files 1306d66a10fcSSimon Glass on systems that use coreboot as the first boot-loader and then load 1307d66a10fcSSimon Glass U-Boot to actually boot the Operating System. Available commands are 1308d66a10fcSSimon Glass cbfsinit, cbfsinfo, cbfsls and cbfsload. 1309d66a10fcSSimon Glass 131097072747SSimon Glassconfig CMD_CRAMFS 131197072747SSimon Glass bool "Enable the 'cramfs' command" 131280e44cfeSSimon Glass depends on FS_CRAMFS 131397072747SSimon Glass help 131497072747SSimon Glass This provides commands for dealing with CRAMFS (Compressed ROM 131597072747SSimon Glass filesystem). CRAMFS is useful when space is tight since files are 131697072747SSimon Glass compressed. Two commands are provided: 131797072747SSimon Glass 131897072747SSimon Glass cramfsls - lists files in a cramfs image 131997072747SSimon Glass cramfsload - loads a file from a cramfs image 132097072747SSimon Glass 1321ab8243e4SDinh Nguyenconfig CMD_EXT2 1322ab8243e4SDinh Nguyen bool "ext2 command support" 1323ab8243e4SDinh Nguyen help 1324ab8243e4SDinh Nguyen Enables EXT2 FS command 1325ab8243e4SDinh Nguyen 1326ab8243e4SDinh Nguyenconfig CMD_EXT4 1327ab8243e4SDinh Nguyen bool "ext4 command support" 1328ab8243e4SDinh Nguyen help 1329ab8243e4SDinh Nguyen Enables EXT4 FS command 1330ab8243e4SDinh Nguyen 1331ab8243e4SDinh Nguyenconfig CMD_EXT4_WRITE 1332ab8243e4SDinh Nguyen depends on CMD_EXT4 1333ab8243e4SDinh Nguyen bool "ext4 write command support" 1334ab8243e4SDinh Nguyen help 1335ab8243e4SDinh Nguyen Enables EXT4 FS write command 1336ab8243e4SDinh Nguyen 1337ab8243e4SDinh Nguyenconfig CMD_FAT 1338ab8243e4SDinh Nguyen bool "FAT command support" 1339eedfb89eSSekhar Nori select FS_FAT 1340ab8243e4SDinh Nguyen help 1341ab8243e4SDinh Nguyen Support for the FAT fs 1342ab8243e4SDinh Nguyen 1343ab8243e4SDinh Nguyenconfig CMD_FS_GENERIC 1344ab8243e4SDinh Nguyen bool "filesystem commands" 1345ab8243e4SDinh Nguyen help 1346ab8243e4SDinh Nguyen Enables filesystem commands (e.g. load, ls) that work for multiple 1347ab8243e4SDinh Nguyen fs types. 13480269dfaeSMaxime Ripard 1349efbe99ceSJosua Mayerconfig CMD_FS_UUID 1350efbe99ceSJosua Mayer bool "fsuuid command" 1351efbe99ceSJosua Mayer help 1352efbe99ceSJosua Mayer Enables fsuuid command for filesystem UUID. 1353efbe99ceSJosua Mayer 1354b8682a7fSSimon Glassconfig CMD_JFFS2 1355b8682a7fSSimon Glass bool "jffs2 command" 135659e12a4aSSimon Glass select FS_JFFS2 1357b8682a7fSSimon Glass help 1358b8682a7fSSimon Glass Enables commands to support the JFFS2 (Journalling Flash File System 1359b8682a7fSSimon Glass version 2) filesystem. This enables fsload, ls and fsinfo which 1360b8682a7fSSimon Glass provide the ability to load files, list directories and obtain 1361b8682a7fSSimon Glass filesystem information. 1362b8682a7fSSimon Glass 13630269dfaeSMaxime Ripardconfig CMD_MTDPARTS 13640269dfaeSMaxime Ripard bool "MTD partition support" 13650269dfaeSMaxime Ripard help 13660269dfaeSMaxime Ripard MTD partition support 13670269dfaeSMaxime Ripard 13680269dfaeSMaxime Ripardconfig MTDIDS_DEFAULT 13690269dfaeSMaxime Ripard string "Default MTD IDs" 13700269dfaeSMaxime Ripard depends on CMD_MTDPARTS 13710269dfaeSMaxime Ripard help 13720269dfaeSMaxime Ripard Defines a default MTD ID 13730269dfaeSMaxime Ripard 13740269dfaeSMaxime Ripardconfig MTDPARTS_DEFAULT 13750269dfaeSMaxime Ripard string "Default MTD partition scheme" 13760269dfaeSMaxime Ripard depends on CMD_MTDPARTS 13770269dfaeSMaxime Ripard help 13780269dfaeSMaxime Ripard Defines a default MTD partitioning scheme in the Linux MTD command 13790269dfaeSMaxime Ripard line partitions format 13800269dfaeSMaxime Ripard 1381cb70e6cbSSimon Glassconfig CMD_MTDPARTS_SPREAD 1382cb70e6cbSSimon Glass bool "Padd partition size to take account of bad blocks" 1383cb70e6cbSSimon Glass depends on CMD_MTDPARTS 1384cb70e6cbSSimon Glass help 1385cb70e6cbSSimon Glass This enables the 'spread' sub-command of the mtdparts command. 1386cb70e6cbSSimon Glass This command will modify the existing mtdparts variable by increasing 1387cb70e6cbSSimon Glass the size of the partitions such that 1) each partition's net size is 1388cb70e6cbSSimon Glass at least as large as the size specified in the mtdparts variable and 1389cb70e6cbSSimon Glass 2) each partition starts on a good block. 1390cb70e6cbSSimon Glass 1391f8803a99SSimon Glassconfig CMD_REISER 1392f8803a99SSimon Glass bool "reiser - Access to reiserfs filesystems" 1393f8803a99SSimon Glass help 1394f8803a99SSimon Glass This provides two commands which operate on a resierfs filesystem, 1395f8803a99SSimon Glass commonly used some years ago: 1396f8803a99SSimon Glass 1397f8803a99SSimon Glass reiserls - list files 1398f8803a99SSimon Glass reiserload - load a file 1399f8803a99SSimon Glass 14000941f597SSimon Glassconfig CMD_SCSI 14010941f597SSimon Glass bool "scsi - Access to SCSI devices" 14020941f597SSimon Glass default y if SCSI 14030941f597SSimon Glass help 14040941f597SSimon Glass This provides a 'scsi' command which provides access to SCSI (Small 14050941f597SSimon Glass Computer System Interface) devices. The command provides a way to 14060941f597SSimon Glass scan the bus, reset the bus, read and write data and get information 14070941f597SSimon Glass about devices. 14080941f597SSimon Glass 14097a764318SSimon Glassconfig CMD_YAFFS2 14107a764318SSimon Glass bool "yaffs2 - Access of YAFFS2 filesystem" 14117a764318SSimon Glass depends on YAFFS2 14127a764318SSimon Glass default y 14137a764318SSimon Glass help 14147a764318SSimon Glass This provides commands for accessing a YAFFS2 filesystem. Yet 14157a764318SSimon Glass Another Flash Filesystem 2 is a filesystem designed specifically 14167a764318SSimon Glass for NAND flash. It incorporates bad-block management and ensures 14177a764318SSimon Glass that device writes are sequential regardless of filesystem 14187a764318SSimon Glass activity. 14197a764318SSimon Glass 142054feea17SSimon Glassconfig CMD_ZFS 142154feea17SSimon Glass bool "zfs - Access of ZFS filesystem" 142254feea17SSimon Glass help 142354feea17SSimon Glass This provides commands to accessing a ZFS filesystem, commonly used 142454feea17SSimon Glass on Solaris systems. Two sub-commands are provided: 142554feea17SSimon Glass 142654feea17SSimon Glass zfsls - list files in a directory 142754feea17SSimon Glass zfsload - load a file 142854feea17SSimon Glass 142954feea17SSimon Glass See doc/README.zfs for more details. 143054feea17SSimon Glass 1431ab8243e4SDinh Nguyenendmenu 1432ab8243e4SDinh Nguyen 1433ac20a1b2SSimon Glassmenu "Debug commands" 1434ac20a1b2SSimon Glass 1435ac20a1b2SSimon Glassconfig CMD_BEDBUG 1436ac20a1b2SSimon Glass bool "bedbug" 1437ac20a1b2SSimon Glass help 1438ac20a1b2SSimon Glass The bedbug (emBEDded deBUGger) command provides debugging features 1439ac20a1b2SSimon Glass for some PowerPC processors. For details please see the 1440ac20a1b2SSimon Glass docuemntation in doc/README.beddbug 1441ac20a1b2SSimon Glass 14423bd25cb5SSimon Glassconfig CMD_DIAG 14433bd25cb5SSimon Glass bool "diag - Board diagnostics" 14443bd25cb5SSimon Glass help 14453bd25cb5SSimon Glass This command provides access to board diagnostic tests. These are 14463bd25cb5SSimon Glass called Power-on Self Tests (POST). The command allows listing of 14473bd25cb5SSimon Glass available tests and running either all the tests, or specific tests 14483bd25cb5SSimon Glass identified by name. 14493bd25cb5SSimon Glass 14501b330894SSimon Glassconfig CMD_IRQ 14511b330894SSimon Glass bool "irq - Show information about interrupts" 1452064b55cfSHeiko Schocher depends on !ARM && !MIPS && !SH 14531b330894SSimon Glass help 14541b330894SSimon Glass This enables two commands: 14551b330894SSimon Glass 14561b330894SSimon Glass interrupts - enable or disable interrupts 14571b330894SSimon Glass irqinfo - print device-specific interrupt information 14586bac227aSSimon Glass 14596bac227aSSimon Glassconfig CMD_KGDB 14606bac227aSSimon Glass bool "kgdb - Allow debugging of U-Boot with gdb" 14616bac227aSSimon Glass help 14626bac227aSSimon Glass This enables a 'kgdb' command which allows gdb to connect to U-Boot 14636bac227aSSimon Glass over a serial link for debugging purposes. This allows 14646bac227aSSimon Glass single-stepping, inspecting variables, etc. This is supported only 14656bac227aSSimon Glass on PowerPC at present. 14666bac227aSSimon Glass 1467ce058ae5SSimon Glassconfig CMD_TRACE 1468ce058ae5SSimon Glass bool "trace - Support tracing of function calls and timing" 1469ce058ae5SSimon Glass help 1470ce058ae5SSimon Glass Enables a command to control using of function tracing within 1471ce058ae5SSimon Glass U-Boot. This allows recording of call traces including timing 1472ce058ae5SSimon Glass information. The command can write data to memory for exporting 1473ce058ae5SSimon Glass for analsys (e.g. using bootchart). See doc/README.trace for full 1474ce058ae5SSimon Glass details. 1475ce058ae5SSimon Glass 1476ac20a1b2SSimon Glassendmenu 1477ac20a1b2SSimon Glass 14788f2fe0c8SHeiko Schocherconfig CMD_UBI 14798f2fe0c8SHeiko Schocher tristate "Enable UBI - Unsorted block images commands" 14808f2fe0c8SHeiko Schocher select CRC32 14818f2fe0c8SHeiko Schocher select MTD_UBI 148222cf953aSKarl Beldan select CMD_MTDPARTS 1483522c282fSMaxime Ripard default y if NAND_SUNXI 14848f2fe0c8SHeiko Schocher help 14858f2fe0c8SHeiko Schocher UBI is a software layer above MTD layer which admits use of LVM-like 14868f2fe0c8SHeiko Schocher logical volumes on top of MTD devices, hides some complexities of 14878f2fe0c8SHeiko Schocher flash chips like wear and bad blocks and provides some other useful 14888f2fe0c8SHeiko Schocher capabilities. Please, consult the MTD web site for more details 14898f2fe0c8SHeiko Schocher (www.linux-mtd.infradead.org). Activate this option if you want 14908f2fe0c8SHeiko Schocher to use U-Boot UBI commands. 14918f2fe0c8SHeiko Schocher 1492173aafbfSBoris Brezillonconfig CMD_UBIFS 1493173aafbfSBoris Brezillon tristate "Enable UBIFS - Unsorted block images filesystem commands" 14942bc734b1SMaxime Ripard depends on CMD_UBI 1495173aafbfSBoris Brezillon select CRC32 149624fc9531SKarl Beldan select LZO 1497d56b4b19STom Rini default y if CMD_UBI 1498173aafbfSBoris Brezillon help 1499173aafbfSBoris Brezillon UBIFS is a file system for flash devices which works on top of UBI. 1500173aafbfSBoris Brezillon 150172a8cf8dSSimon Glassendmenu 1502