1menu "Command line interface" 2 3config CMDLINE 4 bool "Support U-Boot commands" 5 default y 6 help 7 Enable U-Boot's command-line functions. This provides a means 8 to enter commands into U-Boot for a wide variety of purposes. It 9 also allows scripts (containing commands) to be executed. 10 Various commands and command categorys can be indivdually enabled. 11 Depending on the number of commands enabled, this can add 12 substantially to the size of U-Boot. 13 14config HUSH_PARSER 15 bool "Use hush shell" 16 depends on CMDLINE 17 help 18 This option enables the "hush" shell (from Busybox) as command line 19 interpreter, thus enabling powerful command line syntax like 20 if...then...else...fi conditionals or `&&' and '||' 21 constructs ("shell scripts"). 22 23 If disabled, you get the old, much simpler behaviour with a somewhat 24 smaller memory footprint. 25 26config SYS_PROMPT 27 string "Shell prompt" 28 default "=> " 29 help 30 This string is displayed in the command line to the left of the 31 cursor. 32 33menu "Autoboot options" 34 35config AUTOBOOT 36 bool "Autoboot" 37 default y 38 help 39 This enables the autoboot. See doc/README.autoboot for detail. 40 41config AUTOBOOT_KEYED 42 bool "Stop autobooting via specific input key / string" 43 default n 44 help 45 This option enables stopping (aborting) of the automatic 46 boot feature only by issuing a specific input key or 47 string. If not enabled, any input key will abort the 48 U-Boot automatic booting process and bring the device 49 to the U-Boot prompt for user input. 50 51config AUTOBOOT_PROMPT 52 string "Autoboot stop prompt" 53 depends on AUTOBOOT_KEYED 54 default "Autoboot in %d seconds\\n" 55 help 56 This string is displayed before the boot delay selected by 57 CONFIG_BOOTDELAY starts. If it is not defined there is no 58 output indicating that autoboot is in progress. 59 60 Note that this define is used as the (only) argument to a 61 printf() call, so it may contain '%' format specifications, 62 provided that it also includes, sepearated by commas exactly 63 like in a printf statement, the required arguments. It is 64 the responsibility of the user to select only such arguments 65 that are valid in the given context. 66 67config AUTOBOOT_ENCRYPTION 68 bool "Enable encryption in autoboot stopping" 69 depends on AUTOBOOT_KEYED 70 default n 71 72config AUTOBOOT_DELAY_STR 73 string "Delay autobooting via specific input key / string" 74 depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION 75 help 76 This option delays the automatic boot feature by issuing 77 a specific input key or string. If CONFIG_AUTOBOOT_DELAY_STR 78 or the environment variable "bootdelaykey" is specified 79 and this string is received from console input before 80 autoboot starts booting, U-Boot gives a command prompt. The 81 U-Boot prompt will time out if CONFIG_BOOT_RETRY_TIME is 82 used, otherwise it never times out. 83 84config AUTOBOOT_STOP_STR 85 string "Stop autobooting via specific input key / string" 86 depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION 87 help 88 This option enables stopping (aborting) of the automatic 89 boot feature only by issuing a specific input key or 90 string. If CONFIG_AUTOBOOT_STOP_STR or the environment 91 variable "bootstopkey" is specified and this string is 92 received from console input before autoboot starts booting, 93 U-Boot gives a command prompt. The U-Boot prompt never 94 times out, even if CONFIG_BOOT_RETRY_TIME is used. 95 96config AUTOBOOT_KEYED_CTRLC 97 bool "Enable Ctrl-C autoboot interruption" 98 depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION 99 default n 100 help 101 This option allows for the boot sequence to be interrupted 102 by ctrl-c, in addition to the "bootdelaykey" and "bootstopkey". 103 Setting this variable provides an escape sequence from the 104 limited "password" strings. 105 106config AUTOBOOT_STOP_STR_SHA256 107 string "Stop autobooting via SHA256 encrypted password" 108 depends on AUTOBOOT_KEYED && AUTOBOOT_ENCRYPTION 109 help 110 This option adds the feature to only stop the autobooting, 111 and therefore boot into the U-Boot prompt, when the input 112 string / password matches a values that is encypted via 113 a SHA256 hash and saved in the environment. 114 115endmenu 116 117source "cmd/fastboot/Kconfig" 118 119comment "Commands" 120 121menu "Info commands" 122 123config CMD_BDI 124 bool "bdinfo" 125 default y 126 help 127 Print board info 128 129config CMD_CONFIG 130 bool "config" 131 select BUILD_BIN2C 132 default SANDBOX 133 help 134 Print ".config" contents. 135 136 If this option is enabled, the ".config" file contents are embedded 137 in the U-Boot image and can be printed on the console by the "config" 138 command. This provides information of which options are enabled on 139 the running U-Boot. 140 141config CMD_CONSOLE 142 bool "coninfo" 143 default y 144 help 145 Print console devices and information. 146 147config CMD_CPU 148 bool "cpu" 149 help 150 Print information about available CPUs. This normally shows the 151 number of CPUs, type (e.g. manufacturer, architecture, product or 152 internal name) and clock frequency. Other information may be 153 available depending on the CPU driver. 154 155config CMD_LICENSE 156 bool "license" 157 select BUILD_BIN2C 158 help 159 Print GPL license text 160 161endmenu 162 163menu "Boot commands" 164 165config CMD_BOOTD 166 bool "bootd" 167 default y 168 help 169 Run the command stored in the environment "bootcmd", i.e. 170 "bootd" does the same thing as "run bootcmd". 171 172config CMD_BOOTM 173 bool "bootm" 174 default y 175 help 176 Boot an application image from the memory. 177 178config CMD_BOOTZ 179 bool "bootz" 180 help 181 Boot the Linux zImage 182 183config CMD_BOOTI 184 bool "booti" 185 depends on ARM64 186 default y 187 help 188 Boot an AArch64 Linux Kernel image from memory. 189 190config CMD_BOOTEFI 191 bool "bootefi" 192 depends on EFI_LOADER 193 default y 194 help 195 Boot an EFI image from memory. 196 197config CMD_BOOTEFI_HELLO_COMPILE 198 bool "Compile a standard EFI hello world binary for testing" 199 depends on CMD_BOOTEFI && (ARM || X86) 200 default y 201 help 202 This compiles a standard EFI hello world application with U-Boot so 203 that it can be used with the test/py testing framework. This is useful 204 for testing that EFI is working at a basic level, and for bringing 205 up EFI support on a new architecture. 206 207 No additional space will be required in the resulting U-Boot binary 208 when this option is enabled. 209 210config CMD_BOOTEFI_HELLO 211 bool "Allow booting a standard EFI hello world for testing" 212 depends on CMD_BOOTEFI_HELLO_COMPILE 213 help 214 This adds a standard EFI hello world application to U-Boot so that 215 it can be used with the 'bootefi hello' command. This is useful 216 for testing that EFI is working at a basic level, and for bringing 217 up EFI support on a new architecture. 218 219config CMD_BOOTMENU 220 bool "bootmenu" 221 select MENU 222 help 223 Add an ANSI terminal boot menu command. 224 225config CMD_ELF 226 bool "bootelf, bootvx" 227 default y 228 help 229 Boot an ELF/vxWorks image from the memory. 230 231config CMD_FDT 232 bool "Flattened Device Tree utility commands" 233 default y 234 depends on OF_LIBFDT 235 help 236 Do FDT related setup before booting into the Operating System. 237 238config CMD_GO 239 bool "go" 240 default y 241 help 242 Start an application at a given address. 243 244config CMD_RUN 245 bool "run" 246 default y 247 help 248 Run the command in the given environment variable. 249 250config CMD_IMI 251 bool "iminfo" 252 default y 253 help 254 Print header information for application image. 255 256config CMD_IMLS 257 bool "imls" 258 default y 259 help 260 List all images found in flash 261 262config CMD_XIMG 263 bool "imxtract" 264 default y 265 help 266 Extract a part of a multi-image. 267 268config CMD_POWEROFF 269 bool 270 271endmenu 272 273menu "Environment commands" 274 275config CMD_ASKENV 276 bool "ask for env variable" 277 help 278 Ask for environment variable 279 280config CMD_EXPORTENV 281 bool "env export" 282 default y 283 help 284 Export environments. 285 286config CMD_IMPORTENV 287 bool "env import" 288 default y 289 help 290 Import environments. 291 292config CMD_EDITENV 293 bool "editenv" 294 default y 295 help 296 Edit environment variable. 297 298config CMD_GREPENV 299 bool "search env" 300 help 301 Allow for searching environment variables 302 303config CMD_SAVEENV 304 bool "saveenv" 305 default y 306 help 307 Save all environment variables into the compiled-in persistent 308 storage. 309 310config CMD_ENV_EXISTS 311 bool "env exists" 312 default y 313 help 314 Check if a variable is defined in the environment for use in 315 shell scripting. 316 317config CMD_ENV_CALLBACK 318 bool "env callbacks - print callbacks and their associated variables" 319 help 320 Some environment variable have callbacks defined by 321 U_BOOT_ENV_CALLBACK. These are called when the variable changes. 322 For example changing "baudrate" adjust the serial baud rate. This 323 command lists the currently defined callbacks. 324 325endmenu 326 327menu "Memory commands" 328 329config CMD_MEMORY 330 bool "md, mm, nm, mw, cp, cmp, base, loop" 331 default y 332 help 333 Memory commands. 334 md - memory display 335 mm - memory modify (auto-incrementing address) 336 nm - memory modify (constant address) 337 mw - memory write (fill) 338 cp - memory copy 339 cmp - memory compare 340 base - print or set address offset 341 loop - initialize loop on address range 342 343config CMD_CRC32 344 bool "crc32" 345 default y 346 help 347 Compute CRC32. 348 349config CMD_EEPROM 350 bool "eeprom - EEPROM subsystem" 351 help 352 (deprecated, needs conversion to driver model) 353 Provides commands to read and write EEPROM (Electrically Erasable 354 Programmable Read Only Memory) chips that are connected over an 355 I2C bus. 356 357config CMD_EEPROM_LAYOUT 358 bool "Enable layout-aware eeprom commands" 359 depends on CMD_EEPROM 360 help 361 (deprecated, needs conversion to driver model) 362 When enabled, additional eeprom sub-commands become available. 363 364 eeprom print - prints the contents of the eeprom in a human-readable 365 way (eeprom layout fields, and data formatted to be fit for human 366 consumption). 367 368 eeprom update - allows user to update eeprom fields by specifying 369 the field name, and providing the new data in a human readable format 370 (same format as displayed by the eeprom print command). 371 372 Both commands can either auto detect the layout, or be told which 373 layout to use. 374 375 Feature API: 376 __weak int parse_layout_version(char *str) 377 - override to provide your own layout name parsing 378 __weak void __eeprom_layout_assign(struct eeprom_layout *layout, 379 int layout_version); 380 - override to setup the layout metadata based on the version 381 __weak int eeprom_layout_detect(unsigned char *data) 382 - override to provide your own algorithm for detecting layout 383 version 384 eeprom_field.c 385 - contains various printing and updating functions for common 386 types of eeprom fields. Can be used for defining 387 custom layouts. 388 389config EEPROM_LAYOUT_HELP_STRING 390 string "Tells user what layout names are supported" 391 depends on CMD_EEPROM_LAYOUT 392 default "<not defined>" 393 help 394 Help printed with the LAYOUT VERSIONS part of the 'eeprom' 395 command's help. 396 397config CMD_MD5SUM 398 bool "md5sum" 399 default n 400 select MD5 401 help 402 Compute MD5 checksum. 403 404config MD5SUM_VERFIY 405 bool "md5sum -v" 406 default n 407 depends on CMD_MD5SUM 408 help 409 Add -v option to verify data against an MD5 checksum. 410 411config LOOPW 412 bool "loopw" 413 help 414 Infinite write loop on address range 415 416config CMD_MEMTEST 417 bool "memtest" 418 help 419 Simple RAM read/write test. 420 421config CMD_MX_CYCLIC 422 bool "mdc, mwc" 423 help 424 mdc - memory display cyclic 425 mwc - memory write cyclic 426 427config CMD_MEMINFO 428 bool "meminfo" 429 help 430 Display memory information. 431 432config CMD_UNZIP 433 bool "unzip" 434 help 435 Uncompress a zip-compressed memory region. 436 437config CMD_ZIP 438 bool "zip" 439 help 440 Compress a memory region with zlib deflate method. 441 442endmenu 443 444menu "Device access commands" 445 446config CMD_CLK 447 bool "clk - Show clock frequencies" 448 help 449 (deprecated) 450 Shows clock frequences by calling a sock_clk_dump() hook function. 451 This is depreated in favour of using the CLK uclass and accessing 452 clock values from associated drivers. However currently no command 453 exists for this. 454 455config CMD_DM 456 bool "dm - Access to driver model information" 457 depends on DM 458 default y 459 help 460 Provides access to driver model data structures and information, 461 such as a list of devices, list of uclasses and the state of each 462 device (e.g. activated). This is not required for operation, but 463 can be useful to see the state of driver model for debugging or 464 interest. 465 466config CMD_DEMO 467 bool "demo - Demonstration commands for driver model" 468 depends on DM 469 help 470 Provides a 'demo' command which can be used to play around with 471 driver model. To use this properly you will need to enable one or 472 both of the demo devices (DM_DEMO_SHAPE and DM_DEMO_SIMPLE). 473 Otherwise you will always get an empty list of devices. The demo 474 devices are defined in the sandbox device tree, so the easiest 475 option is to use sandbox and pass the -d point to sandbox's 476 u-boot.dtb file. 477 478config CMD_LOADB 479 bool "loadb" 480 default y 481 help 482 Load a binary file over serial line. 483 484config CMD_LOADS 485 bool "loads" 486 default y 487 help 488 Load an S-Record file over serial line 489 490config CMD_FLASH 491 bool "flinfo, erase, protect" 492 default y 493 help 494 NOR flash support. 495 flinfo - print FLASH memory information 496 erase - FLASH memory 497 protect - enable or disable FLASH write protection 498 499config CMD_GPT 500 bool "GPT (GUID Partition Table) command" 501 select PARTITION_UUIDS 502 select EFI_PARTITION 503 help 504 Enable the 'gpt' command to ready and write GPT style partition 505 tables. 506 507config CMD_ARMFLASH 508 #depends on FLASH_CFI_DRIVER 509 bool "armflash" 510 help 511 ARM Ltd reference designs flash partition access 512 513config CMD_MMC 514 bool "mmc" 515 help 516 MMC memory mapped support. 517 518config CMD_NAND 519 bool "nand" 520 default y if NAND_SUNXI 521 help 522 NAND support. 523 524if CMD_NAND 525config CMD_NAND_TRIMFFS 526 bool "nand write.trimffs" 527 default y if ARCH_SUNXI 528 help 529 Allows one to skip empty pages when flashing something on a NAND. 530 531config CMD_NAND_LOCK_UNLOCK 532 bool "nand lock/unlock" 533 help 534 NAND locking support. 535 536config CMD_NAND_TORTURE 537 bool "nand torture" 538 help 539 NAND torture support. 540 541endif # CMD_NAND 542 543config CMD_PART 544 bool "part" 545 select PARTITION_UUIDS 546 help 547 Read and display information about the partition table on 548 various media. 549 550config CMD_SF 551 bool "sf" 552 help 553 SPI Flash support 554 555config CMD_SPI 556 bool "sspi" 557 help 558 SPI utility command. 559 560config CMD_I2C 561 bool "i2c" 562 help 563 I2C support. 564 565config CMD_USB 566 bool "usb" 567 help 568 USB support. 569 570config CMD_DFU 571 bool "dfu" 572 select USB_FUNCTION_DFU 573 help 574 Enables the command "dfu" which is used to have U-Boot create a DFU 575 class device via USB. 576 577config CMD_USB_MASS_STORAGE 578 bool "UMS usb mass storage" 579 help 580 USB mass storage support 581 582config CMD_FPGA 583 bool "fpga" 584 default y 585 help 586 FPGA support. 587 588config CMD_REMOTEPROC 589 bool "remoteproc" 590 depends on REMOTEPROC 591 help 592 Support for Remote Processor control 593 594config CMD_GPIO 595 bool "gpio" 596 help 597 GPIO support. 598 599endmenu 600 601 602menu "Shell scripting commands" 603 604config CMD_ECHO 605 bool "echo" 606 default y 607 help 608 Echo args to console 609 610config CMD_ITEST 611 bool "itest" 612 default y 613 help 614 Return true/false on integer compare. 615 616config CMD_SOURCE 617 bool "source" 618 default y 619 help 620 Run script from memory 621 622config CMD_SETEXPR 623 bool "setexpr" 624 default y 625 help 626 Evaluate boolean and math expressions and store the result in an env 627 variable. 628 Also supports loading the value at a memory location into a variable. 629 If CONFIG_REGEX is enabled, setexpr also supports a gsub function. 630 631endmenu 632 633menu "Network commands" 634 635config CMD_NET 636 bool "bootp, tftpboot" 637 select NET 638 default y 639 help 640 Network commands. 641 bootp - boot image via network using BOOTP/TFTP protocol 642 tftpboot - boot image via network using TFTP protocol 643 644config CMD_TFTPPUT 645 bool "tftp put" 646 help 647 TFTP put command, for uploading files to a server 648 649config CMD_TFTPSRV 650 bool "tftpsrv" 651 help 652 Act as a TFTP server and boot the first received file 653 654config CMD_RARP 655 bool "rarpboot" 656 help 657 Boot image via network using RARP/TFTP protocol 658 659config CMD_DHCP 660 bool "dhcp" 661 help 662 Boot image via network using DHCP/TFTP protocol 663 664config CMD_PXE 665 bool "pxe" 666 select MENU 667 help 668 Boot image via network using PXE protocol 669 670config CMD_NFS 671 bool "nfs" 672 default y 673 help 674 Boot image via network using NFS protocol. 675 676config CMD_MII 677 bool "mii" 678 help 679 Enable MII utility commands. 680 681config CMD_PING 682 bool "ping" 683 help 684 Send ICMP ECHO_REQUEST to network host 685 686config CMD_CDP 687 bool "cdp" 688 help 689 Perform CDP network configuration 690 691config CMD_SNTP 692 bool "sntp" 693 help 694 Synchronize RTC via network 695 696config CMD_DNS 697 bool "dns" 698 help 699 Lookup the IP of a hostname 700 701config CMD_LINK_LOCAL 702 bool "linklocal" 703 help 704 Acquire a network IP address using the link-local protocol 705 706endmenu 707 708menu "Misc commands" 709 710config CMD_BMP 711 bool "Enable 'bmp' command" 712 depends on LCD || DM_VIDEO || VIDEO 713 help 714 This provides a way to obtain information about a BMP-format iamge 715 and to display it. BMP (which presumably stands for BitMaP) is a 716 file format defined by Microsoft which supports images of various 717 depths, formats and compression methods. Headers on the file 718 determine the formats used. This command can be used by first loading 719 the image into RAM, then using this command to look at it or display 720 it. 721 722config CMD_BSP 723 bool "Enable board-specific commands" 724 help 725 (deprecated: instead, please define a Kconfig option for each command) 726 727 Some boards have board-specific commands which are only enabled 728 during developemnt and need to be turned off for production. This 729 option provides a way to control this. The commands that are enabled 730 vary depending on the board. 731 732config CMD_BKOPS_ENABLE 733 bool "mmc bkops enable" 734 depends on CMD_MMC 735 default n 736 help 737 Enable command for setting manual background operations handshake 738 on a eMMC device. The feature is optionally available on eMMC devices 739 conforming to standard >= 4.41. 740 741config CMD_BLOCK_CACHE 742 bool "blkcache - control and stats for block cache" 743 depends on BLOCK_CACHE 744 default y if BLOCK_CACHE 745 help 746 Enable the blkcache command, which can be used to control the 747 operation of the cache functions. 748 This is most useful when fine-tuning the operation of the cache 749 during development, but also allows the cache to be disabled when 750 it might hurt performance (e.g. when using the ums command). 751 752config CMD_CACHE 753 bool "icache or dcache" 754 help 755 Enable the "icache" and "dcache" commands 756 757config CMD_DISPLAY 758 bool "Enable the 'display' command, for character displays" 759 help 760 (this needs porting to driver model) 761 This enables the 'display' command which allows a string to be 762 displayed on a simple board-specific display. Implement 763 display_putc() to use it. 764 765config CMD_LED 766 bool "led" 767 default y if LED 768 help 769 Enable the 'led' command which allows for control of LEDs supported 770 by the board. The LEDs can be listed with 'led list' and controlled 771 with led on/off/togle/blink. Any LED drivers can be controlled with 772 this command, e.g. led_gpio. 773 774config CMD_DATE 775 bool "date" 776 default y if DM_RTC 777 help 778 Enable the 'date' command for getting/setting the time/date in RTC 779 devices. 780 781config CMD_TIME 782 bool "time" 783 help 784 Run commands and summarize execution time. 785 786# TODO: rename to CMD_SLEEP 787config CMD_MISC 788 bool "sleep" 789 default y 790 help 791 Delay execution for some time 792 793config CMD_TIMER 794 bool "timer" 795 help 796 Access the system timer. 797 798config CMD_SETGETDCR 799 bool "getdcr, setdcr, getidcr, setidcr" 800 depends on 4xx 801 default y 802 help 803 getdcr - Get an AMCC PPC 4xx DCR's value 804 setdcr - Set an AMCC PPC 4xx DCR's value 805 getidcr - Get a register value via indirect DCR addressing 806 setidcr - Set a register value via indirect DCR addressing 807 808config CMD_SOUND 809 bool "sound" 810 depends on SOUND 811 help 812 This provides basic access to the U-Boot's sound support. The main 813 feature is to play a beep. 814 815 sound init - set up sound system 816 sound play - play a sound 817 818config CMD_QFW 819 bool "qfw" 820 select QFW 821 help 822 This provides access to the QEMU firmware interface. The main 823 feature is to allow easy loading of files passed to qemu-system 824 via -kernel / -initrd 825 826source "cmd/mvebu/Kconfig" 827 828endmenu 829 830config CMD_BOOTSTAGE 831 bool "Enable the 'bootstage' command" 832 depends on BOOTSTAGE 833 help 834 Add a 'bootstage' command which supports printing a report 835 and un/stashing of bootstage data. 836 837menu "Power commands" 838config CMD_PMIC 839 bool "Enable Driver Model PMIC command" 840 depends on DM_PMIC 841 help 842 This is the pmic command, based on a driver model pmic's API. 843 Command features are unchanged: 844 - list - list pmic devices 845 - pmic dev <id> - show or [set] operating pmic device (NEW) 846 - pmic dump - dump registers 847 - pmic read address - read byte of register at address 848 - pmic write address - write byte to register at address 849 The only one change for this command is 'dev' subcommand. 850 851config CMD_REGULATOR 852 bool "Enable Driver Model REGULATOR command" 853 depends on DM_REGULATOR 854 help 855 This command is based on driver model regulator's API. 856 User interface features: 857 - list - list regulator devices 858 - regulator dev <id> - show or [set] operating regulator device 859 - regulator info - print constraints info 860 - regulator status - print operating status 861 - regulator value <val] <-f> - print/[set] voltage value [uV] 862 - regulator current <val> - print/[set] current value [uA] 863 - regulator mode <id> - print/[set] operating mode id 864 - regulator enable - enable the regulator output 865 - regulator disable - disable the regulator output 866 867 The '-f' (force) option can be used for set the value which exceeds 868 the limits, which are found in device-tree and are kept in regulator's 869 uclass platdata structure. 870 871endmenu 872 873menu "Security commands" 874config CMD_AES 875 bool "Enable the 'aes' command" 876 select AES 877 help 878 This provides a means to encrypt and decrypt data using the AES 879 (Advanced Encryption Standard). This algorithm uses a symetric key 880 and is widely used as a streaming cipher. Different key lengths are 881 supported by the algorithm but this command only supports 128 bits 882 at present. 883 884config CMD_BLOB 885 bool "Enable the 'blob' command" 886 help 887 This is used with the Freescale secure boot mechanism. 888 889 Freescale's SEC block has built-in Blob Protocol which provides 890 a method for protecting user-defined data across system power 891 cycles. SEC block protects data in a data structure called a Blob, 892 which provides both confidentiality and integrity protection. 893 894 Encapsulating data as a blob 895 Each time that the Blob Protocol is used to protect data, a 896 different randomly generated key is used to encrypt the data. 897 This random key is itself encrypted using a key which is derived 898 from SoC's non-volatile secret key and a 16 bit Key identifier. 899 The resulting encrypted key along with encrypted data is called a 900 blob. The non-volatile secure key is available for use only during 901 secure boot. 902 903 During decapsulation, the reverse process is performed to get back 904 the original data. 905 906 Sub-commands: 907 blob enc - encapsulating data as a cryptgraphic blob 908 blob dec - decapsulating cryptgraphic blob to get the data 909 910 Syntax: 911 912 blob enc src dst len km 913 914 Encapsulate and create blob of data $len bytes long 915 at address $src and store the result at address $dst. 916 $km is the 16 byte key modifier is also required for 917 generation/use as key for cryptographic operation. Key 918 modifier should be 16 byte long. 919 920 blob dec src dst len km 921 922 Decapsulate the blob of data at address $src and 923 store result of $len byte at addr $dst. 924 $km is the 16 byte key modifier is also required for 925 generation/use as key for cryptographic operation. Key 926 modifier should be 16 byte long. 927 928config CMD_TPM 929 bool "Enable the 'tpm' command" 930 depends on TPM 931 help 932 This provides a means to talk to a TPM from the command line. A wide 933 range of commands if provided - see 'tpm help' for details. The 934 command requires a suitable TPM on your board and the correct driver 935 must be enabled. 936 937config CMD_TPM_TEST 938 bool "Enable the 'tpm test' command" 939 depends on CMD_TPM 940 help 941 This provides a a series of tests to confirm that the TPM is working 942 correctly. The tests cover initialisation, non-volatile RAM, extend, 943 global lock and checking that timing is within expectations. The 944 tests pass correctly on Infineon TPMs but may need to be adjusted 945 for other devices. 946 947endmenu 948 949menu "Firmware commands" 950config CMD_CROS_EC 951 bool "Enable crosec command" 952 depends on CROS_EC 953 default y 954 help 955 Enable command-line access to the Chrome OS EC (Embedded 956 Controller). This provides the 'crosec' command which has 957 a number of sub-commands for performing EC tasks such as 958 updating its flash, accessing a small saved context area 959 and talking to the I2C bus behind the EC (if there is one). 960endmenu 961 962menu "Filesystem commands" 963config CMD_CBFS 964 bool "Enable the 'cbfs' command" 965 depends on FS_CBFS 966 help 967 Define this to enable support for reading from a Coreboot 968 filesystem. This is a ROM-based filesystem used for accessing files 969 on systems that use coreboot as the first boot-loader and then load 970 U-Boot to actually boot the Operating System. Available commands are 971 cbfsinit, cbfsinfo, cbfsls and cbfsload. 972 973config CMD_CRAMFS 974 bool "Enable the 'cramfs' command" 975 depends on FS_CRAMFS 976 help 977 This provides commands for dealing with CRAMFS (Compressed ROM 978 filesystem). CRAMFS is useful when space is tight since files are 979 compressed. Two commands are provided: 980 981 cramfsls - lists files in a cramfs image 982 cramfsload - loads a file from a cramfs image 983 984config CMD_EXT2 985 bool "ext2 command support" 986 help 987 Enables EXT2 FS command 988 989config CMD_EXT4 990 bool "ext4 command support" 991 help 992 Enables EXT4 FS command 993 994config CMD_EXT4_WRITE 995 depends on CMD_EXT4 996 bool "ext4 write command support" 997 help 998 Enables EXT4 FS write command 999 1000config CMD_FAT 1001 bool "FAT command support" 1002 help 1003 Support for the FAT fs 1004 1005config CMD_FS_GENERIC 1006 bool "filesystem commands" 1007 help 1008 Enables filesystem commands (e.g. load, ls) that work for multiple 1009 fs types. 1010 1011config CMD_FS_UUID 1012 bool "fsuuid command" 1013 help 1014 Enables fsuuid command for filesystem UUID. 1015 1016config CMD_MTDPARTS 1017 depends on ARCH_SUNXI 1018 bool "MTD partition support" 1019 help 1020 MTD partition support 1021 1022config MTDIDS_DEFAULT 1023 string "Default MTD IDs" 1024 depends on CMD_MTDPARTS 1025 help 1026 Defines a default MTD ID 1027 1028config MTDPARTS_DEFAULT 1029 string "Default MTD partition scheme" 1030 depends on CMD_MTDPARTS 1031 help 1032 Defines a default MTD partitioning scheme in the Linux MTD command 1033 line partitions format 1034 1035endmenu 1036 1037menu "Debug commands" 1038 1039config CMD_BEDBUG 1040 bool "bedbug" 1041 help 1042 The bedbug (emBEDded deBUGger) command provides debugging features 1043 for some PowerPC processors. For details please see the 1044 docuemntation in doc/README.beddbug 1045 1046config CMD_DIAG 1047 bool "diag - Board diagnostics" 1048 help 1049 This command provides access to board diagnostic tests. These are 1050 called Power-on Self Tests (POST). The command allows listing of 1051 available tests and running either all the tests, or specific tests 1052 identified by name. 1053 1054endmenu 1055 1056config CMD_UBI 1057 tristate "Enable UBI - Unsorted block images commands" 1058 select CRC32 1059 select MTD_UBI 1060 default y if NAND_SUNXI 1061 help 1062 UBI is a software layer above MTD layer which admits use of LVM-like 1063 logical volumes on top of MTD devices, hides some complexities of 1064 flash chips like wear and bad blocks and provides some other useful 1065 capabilities. Please, consult the MTD web site for more details 1066 (www.linux-mtd.infradead.org). Activate this option if you want 1067 to use U-Boot UBI commands. 1068 1069config CMD_UBIFS 1070 tristate "Enable UBIFS - Unsorted block images filesystem commands" 1071 depends on CMD_UBI 1072 select CRC32 1073 select RBTREE if ARCH_SUNXI 1074 select LZO if ARCH_SUNXI 1075 default y if NAND_SUNXI 1076 help 1077 UBIFS is a file system for flash devices which works on top of UBI. 1078 1079endmenu 1080