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 325config CMD_ENV_FLAGS 326 bool "env flags -print variables that have non-default flags" 327 help 328 Some environment variables have special flags that control their 329 behaviour. For example, serial# can only be written once and cannot 330 be deleted. This command shows the variables that have special 331 flags. 332 333endmenu 334 335menu "Memory commands" 336 337config CMD_MEMORY 338 bool "md, mm, nm, mw, cp, cmp, base, loop" 339 default y 340 help 341 Memory commands. 342 md - memory display 343 mm - memory modify (auto-incrementing address) 344 nm - memory modify (constant address) 345 mw - memory write (fill) 346 cp - memory copy 347 cmp - memory compare 348 base - print or set address offset 349 loop - initialize loop on address range 350 351config CMD_CRC32 352 bool "crc32" 353 default y 354 help 355 Compute CRC32. 356 357config CMD_EEPROM 358 bool "eeprom - EEPROM subsystem" 359 help 360 (deprecated, needs conversion to driver model) 361 Provides commands to read and write EEPROM (Electrically Erasable 362 Programmable Read Only Memory) chips that are connected over an 363 I2C bus. 364 365config CMD_EEPROM_LAYOUT 366 bool "Enable layout-aware eeprom commands" 367 depends on CMD_EEPROM 368 help 369 (deprecated, needs conversion to driver model) 370 When enabled, additional eeprom sub-commands become available. 371 372 eeprom print - prints the contents of the eeprom in a human-readable 373 way (eeprom layout fields, and data formatted to be fit for human 374 consumption). 375 376 eeprom update - allows user to update eeprom fields by specifying 377 the field name, and providing the new data in a human readable format 378 (same format as displayed by the eeprom print command). 379 380 Both commands can either auto detect the layout, or be told which 381 layout to use. 382 383 Feature API: 384 __weak int parse_layout_version(char *str) 385 - override to provide your own layout name parsing 386 __weak void __eeprom_layout_assign(struct eeprom_layout *layout, 387 int layout_version); 388 - override to setup the layout metadata based on the version 389 __weak int eeprom_layout_detect(unsigned char *data) 390 - override to provide your own algorithm for detecting layout 391 version 392 eeprom_field.c 393 - contains various printing and updating functions for common 394 types of eeprom fields. Can be used for defining 395 custom layouts. 396 397config EEPROM_LAYOUT_HELP_STRING 398 string "Tells user what layout names are supported" 399 depends on CMD_EEPROM_LAYOUT 400 default "<not defined>" 401 help 402 Help printed with the LAYOUT VERSIONS part of the 'eeprom' 403 command's help. 404 405config CMD_MD5SUM 406 bool "md5sum" 407 default n 408 select MD5 409 help 410 Compute MD5 checksum. 411 412config MD5SUM_VERFIY 413 bool "md5sum -v" 414 default n 415 depends on CMD_MD5SUM 416 help 417 Add -v option to verify data against an MD5 checksum. 418 419config LOOPW 420 bool "loopw" 421 help 422 Infinite write loop on address range 423 424config CMD_MEMTEST 425 bool "memtest" 426 help 427 Simple RAM read/write test. 428 429config CMD_MX_CYCLIC 430 bool "mdc, mwc" 431 help 432 mdc - memory display cyclic 433 mwc - memory write cyclic 434 435config CMD_MEMINFO 436 bool "meminfo" 437 help 438 Display memory information. 439 440config CMD_UNZIP 441 bool "unzip" 442 help 443 Uncompress a zip-compressed memory region. 444 445config CMD_ZIP 446 bool "zip" 447 help 448 Compress a memory region with zlib deflate method. 449 450endmenu 451 452menu "Device access commands" 453 454config CMD_CLK 455 bool "clk - Show clock frequencies" 456 help 457 (deprecated) 458 Shows clock frequences by calling a sock_clk_dump() hook function. 459 This is depreated in favour of using the CLK uclass and accessing 460 clock values from associated drivers. However currently no command 461 exists for this. 462 463config CMD_DM 464 bool "dm - Access to driver model information" 465 depends on DM 466 default y 467 help 468 Provides access to driver model data structures and information, 469 such as a list of devices, list of uclasses and the state of each 470 device (e.g. activated). This is not required for operation, but 471 can be useful to see the state of driver model for debugging or 472 interest. 473 474config CMD_DEMO 475 bool "demo - Demonstration commands for driver model" 476 depends on DM 477 help 478 Provides a 'demo' command which can be used to play around with 479 driver model. To use this properly you will need to enable one or 480 both of the demo devices (DM_DEMO_SHAPE and DM_DEMO_SIMPLE). 481 Otherwise you will always get an empty list of devices. The demo 482 devices are defined in the sandbox device tree, so the easiest 483 option is to use sandbox and pass the -d point to sandbox's 484 u-boot.dtb file. 485 486config CMD_LOADB 487 bool "loadb" 488 default y 489 help 490 Load a binary file over serial line. 491 492config CMD_LOADS 493 bool "loads" 494 default y 495 help 496 Load an S-Record file over serial line 497 498config CMD_FLASH 499 bool "flinfo, erase, protect" 500 default y 501 help 502 NOR flash support. 503 flinfo - print FLASH memory information 504 erase - FLASH memory 505 protect - enable or disable FLASH write protection 506 507config CMD_GPT 508 bool "GPT (GUID Partition Table) command" 509 select PARTITION_UUIDS 510 select EFI_PARTITION 511 help 512 Enable the 'gpt' command to ready and write GPT style partition 513 tables. 514 515config CMD_ARMFLASH 516 #depends on FLASH_CFI_DRIVER 517 bool "armflash" 518 help 519 ARM Ltd reference designs flash partition access 520 521config CMD_MMC 522 bool "mmc" 523 help 524 MMC memory mapped support. 525 526config CMD_NAND 527 bool "nand" 528 default y if NAND_SUNXI 529 help 530 NAND support. 531 532if CMD_NAND 533config CMD_NAND_TRIMFFS 534 bool "nand write.trimffs" 535 default y if ARCH_SUNXI 536 help 537 Allows one to skip empty pages when flashing something on a NAND. 538 539config CMD_NAND_LOCK_UNLOCK 540 bool "nand lock/unlock" 541 help 542 NAND locking support. 543 544config CMD_NAND_TORTURE 545 bool "nand torture" 546 help 547 NAND torture support. 548 549endif # CMD_NAND 550 551config CMD_PART 552 bool "part" 553 select PARTITION_UUIDS 554 help 555 Read and display information about the partition table on 556 various media. 557 558config CMD_SF 559 bool "sf" 560 help 561 SPI Flash support 562 563config CMD_SPI 564 bool "sspi" 565 help 566 SPI utility command. 567 568config CMD_I2C 569 bool "i2c" 570 help 571 I2C support. 572 573config CMD_USB 574 bool "usb" 575 help 576 USB support. 577 578config CMD_DFU 579 bool "dfu" 580 select USB_FUNCTION_DFU 581 help 582 Enables the command "dfu" which is used to have U-Boot create a DFU 583 class device via USB. 584 585config CMD_USB_MASS_STORAGE 586 bool "UMS usb mass storage" 587 help 588 USB mass storage support 589 590config CMD_FPGA 591 bool "fpga" 592 default y 593 help 594 FPGA support. 595 596config CMD_REMOTEPROC 597 bool "remoteproc" 598 depends on REMOTEPROC 599 help 600 Support for Remote Processor control 601 602config CMD_GPIO 603 bool "gpio" 604 help 605 GPIO support. 606 607endmenu 608 609 610menu "Shell scripting commands" 611 612config CMD_ECHO 613 bool "echo" 614 default y 615 help 616 Echo args to console 617 618config CMD_ITEST 619 bool "itest" 620 default y 621 help 622 Return true/false on integer compare. 623 624config CMD_SOURCE 625 bool "source" 626 default y 627 help 628 Run script from memory 629 630config CMD_SETEXPR 631 bool "setexpr" 632 default y 633 help 634 Evaluate boolean and math expressions and store the result in an env 635 variable. 636 Also supports loading the value at a memory location into a variable. 637 If CONFIG_REGEX is enabled, setexpr also supports a gsub function. 638 639endmenu 640 641menu "Network commands" 642 643config CMD_NET 644 bool "bootp, tftpboot" 645 select NET 646 default y 647 help 648 Network commands. 649 bootp - boot image via network using BOOTP/TFTP protocol 650 tftpboot - boot image via network using TFTP protocol 651 652config CMD_TFTPPUT 653 bool "tftp put" 654 help 655 TFTP put command, for uploading files to a server 656 657config CMD_TFTPSRV 658 bool "tftpsrv" 659 help 660 Act as a TFTP server and boot the first received file 661 662config CMD_RARP 663 bool "rarpboot" 664 help 665 Boot image via network using RARP/TFTP protocol 666 667config CMD_DHCP 668 bool "dhcp" 669 help 670 Boot image via network using DHCP/TFTP protocol 671 672config CMD_PXE 673 bool "pxe" 674 select MENU 675 help 676 Boot image via network using PXE protocol 677 678config CMD_NFS 679 bool "nfs" 680 default y 681 help 682 Boot image via network using NFS protocol. 683 684config CMD_MII 685 bool "mii" 686 help 687 Enable MII utility commands. 688 689config CMD_PING 690 bool "ping" 691 help 692 Send ICMP ECHO_REQUEST to network host 693 694config CMD_CDP 695 bool "cdp" 696 help 697 Perform CDP network configuration 698 699config CMD_SNTP 700 bool "sntp" 701 help 702 Synchronize RTC via network 703 704config CMD_DNS 705 bool "dns" 706 help 707 Lookup the IP of a hostname 708 709config CMD_LINK_LOCAL 710 bool "linklocal" 711 help 712 Acquire a network IP address using the link-local protocol 713 714endmenu 715 716menu "Misc commands" 717 718config CMD_BMP 719 bool "Enable 'bmp' command" 720 depends on LCD || DM_VIDEO || VIDEO 721 help 722 This provides a way to obtain information about a BMP-format iamge 723 and to display it. BMP (which presumably stands for BitMaP) is a 724 file format defined by Microsoft which supports images of various 725 depths, formats and compression methods. Headers on the file 726 determine the formats used. This command can be used by first loading 727 the image into RAM, then using this command to look at it or display 728 it. 729 730config CMD_BSP 731 bool "Enable board-specific commands" 732 help 733 (deprecated: instead, please define a Kconfig option for each command) 734 735 Some boards have board-specific commands which are only enabled 736 during developemnt and need to be turned off for production. This 737 option provides a way to control this. The commands that are enabled 738 vary depending on the board. 739 740config CMD_BKOPS_ENABLE 741 bool "mmc bkops enable" 742 depends on CMD_MMC 743 default n 744 help 745 Enable command for setting manual background operations handshake 746 on a eMMC device. The feature is optionally available on eMMC devices 747 conforming to standard >= 4.41. 748 749config CMD_BLOCK_CACHE 750 bool "blkcache - control and stats for block cache" 751 depends on BLOCK_CACHE 752 default y if BLOCK_CACHE 753 help 754 Enable the blkcache command, which can be used to control the 755 operation of the cache functions. 756 This is most useful when fine-tuning the operation of the cache 757 during development, but also allows the cache to be disabled when 758 it might hurt performance (e.g. when using the ums command). 759 760config CMD_CACHE 761 bool "icache or dcache" 762 help 763 Enable the "icache" and "dcache" commands 764 765config CMD_DISPLAY 766 bool "Enable the 'display' command, for character displays" 767 help 768 (this needs porting to driver model) 769 This enables the 'display' command which allows a string to be 770 displayed on a simple board-specific display. Implement 771 display_putc() to use it. 772 773config CMD_LED 774 bool "led" 775 default y if LED 776 help 777 Enable the 'led' command which allows for control of LEDs supported 778 by the board. The LEDs can be listed with 'led list' and controlled 779 with led on/off/togle/blink. Any LED drivers can be controlled with 780 this command, e.g. led_gpio. 781 782config CMD_DATE 783 bool "date" 784 default y if DM_RTC 785 help 786 Enable the 'date' command for getting/setting the time/date in RTC 787 devices. 788 789config CMD_TIME 790 bool "time" 791 help 792 Run commands and summarize execution time. 793 794# TODO: rename to CMD_SLEEP 795config CMD_MISC 796 bool "sleep" 797 default y 798 help 799 Delay execution for some time 800 801config CMD_TIMER 802 bool "timer" 803 help 804 Access the system timer. 805 806config CMD_SETGETDCR 807 bool "getdcr, setdcr, getidcr, setidcr" 808 depends on 4xx 809 default y 810 help 811 getdcr - Get an AMCC PPC 4xx DCR's value 812 setdcr - Set an AMCC PPC 4xx DCR's value 813 getidcr - Get a register value via indirect DCR addressing 814 setidcr - Set a register value via indirect DCR addressing 815 816config CMD_SOUND 817 bool "sound" 818 depends on SOUND 819 help 820 This provides basic access to the U-Boot's sound support. The main 821 feature is to play a beep. 822 823 sound init - set up sound system 824 sound play - play a sound 825 826config CMD_QFW 827 bool "qfw" 828 select QFW 829 help 830 This provides access to the QEMU firmware interface. The main 831 feature is to allow easy loading of files passed to qemu-system 832 via -kernel / -initrd 833 834source "cmd/mvebu/Kconfig" 835 836endmenu 837 838config CMD_BOOTSTAGE 839 bool "Enable the 'bootstage' command" 840 depends on BOOTSTAGE 841 help 842 Add a 'bootstage' command which supports printing a report 843 and un/stashing of bootstage data. 844 845menu "Power commands" 846config CMD_PMIC 847 bool "Enable Driver Model PMIC command" 848 depends on DM_PMIC 849 help 850 This is the pmic command, based on a driver model pmic's API. 851 Command features are unchanged: 852 - list - list pmic devices 853 - pmic dev <id> - show or [set] operating pmic device (NEW) 854 - pmic dump - dump registers 855 - pmic read address - read byte of register at address 856 - pmic write address - write byte to register at address 857 The only one change for this command is 'dev' subcommand. 858 859config CMD_REGULATOR 860 bool "Enable Driver Model REGULATOR command" 861 depends on DM_REGULATOR 862 help 863 This command is based on driver model regulator's API. 864 User interface features: 865 - list - list regulator devices 866 - regulator dev <id> - show or [set] operating regulator device 867 - regulator info - print constraints info 868 - regulator status - print operating status 869 - regulator value <val] <-f> - print/[set] voltage value [uV] 870 - regulator current <val> - print/[set] current value [uA] 871 - regulator mode <id> - print/[set] operating mode id 872 - regulator enable - enable the regulator output 873 - regulator disable - disable the regulator output 874 875 The '-f' (force) option can be used for set the value which exceeds 876 the limits, which are found in device-tree and are kept in regulator's 877 uclass platdata structure. 878 879endmenu 880 881menu "Security commands" 882config CMD_AES 883 bool "Enable the 'aes' command" 884 select AES 885 help 886 This provides a means to encrypt and decrypt data using the AES 887 (Advanced Encryption Standard). This algorithm uses a symetric key 888 and is widely used as a streaming cipher. Different key lengths are 889 supported by the algorithm but this command only supports 128 bits 890 at present. 891 892config CMD_BLOB 893 bool "Enable the 'blob' command" 894 help 895 This is used with the Freescale secure boot mechanism. 896 897 Freescale's SEC block has built-in Blob Protocol which provides 898 a method for protecting user-defined data across system power 899 cycles. SEC block protects data in a data structure called a Blob, 900 which provides both confidentiality and integrity protection. 901 902 Encapsulating data as a blob 903 Each time that the Blob Protocol is used to protect data, a 904 different randomly generated key is used to encrypt the data. 905 This random key is itself encrypted using a key which is derived 906 from SoC's non-volatile secret key and a 16 bit Key identifier. 907 The resulting encrypted key along with encrypted data is called a 908 blob. The non-volatile secure key is available for use only during 909 secure boot. 910 911 During decapsulation, the reverse process is performed to get back 912 the original data. 913 914 Sub-commands: 915 blob enc - encapsulating data as a cryptgraphic blob 916 blob dec - decapsulating cryptgraphic blob to get the data 917 918 Syntax: 919 920 blob enc src dst len km 921 922 Encapsulate and create blob of data $len bytes long 923 at address $src and store the result at address $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. 927 928 blob dec src dst len km 929 930 Decapsulate the blob of data at address $src and 931 store result of $len byte at addr $dst. 932 $km is the 16 byte key modifier is also required for 933 generation/use as key for cryptographic operation. Key 934 modifier should be 16 byte long. 935 936config CMD_TPM 937 bool "Enable the 'tpm' command" 938 depends on TPM 939 help 940 This provides a means to talk to a TPM from the command line. A wide 941 range of commands if provided - see 'tpm help' for details. The 942 command requires a suitable TPM on your board and the correct driver 943 must be enabled. 944 945config CMD_TPM_TEST 946 bool "Enable the 'tpm test' command" 947 depends on CMD_TPM 948 help 949 This provides a a series of tests to confirm that the TPM is working 950 correctly. The tests cover initialisation, non-volatile RAM, extend, 951 global lock and checking that timing is within expectations. The 952 tests pass correctly on Infineon TPMs but may need to be adjusted 953 for other devices. 954 955endmenu 956 957menu "Firmware commands" 958config CMD_CROS_EC 959 bool "Enable crosec command" 960 depends on CROS_EC 961 default y 962 help 963 Enable command-line access to the Chrome OS EC (Embedded 964 Controller). This provides the 'crosec' command which has 965 a number of sub-commands for performing EC tasks such as 966 updating its flash, accessing a small saved context area 967 and talking to the I2C bus behind the EC (if there is one). 968endmenu 969 970menu "Filesystem commands" 971config CMD_CBFS 972 bool "Enable the 'cbfs' command" 973 depends on FS_CBFS 974 help 975 Define this to enable support for reading from a Coreboot 976 filesystem. This is a ROM-based filesystem used for accessing files 977 on systems that use coreboot as the first boot-loader and then load 978 U-Boot to actually boot the Operating System. Available commands are 979 cbfsinit, cbfsinfo, cbfsls and cbfsload. 980 981config CMD_CRAMFS 982 bool "Enable the 'cramfs' command" 983 depends on FS_CRAMFS 984 help 985 This provides commands for dealing with CRAMFS (Compressed ROM 986 filesystem). CRAMFS is useful when space is tight since files are 987 compressed. Two commands are provided: 988 989 cramfsls - lists files in a cramfs image 990 cramfsload - loads a file from a cramfs image 991 992config CMD_EXT2 993 bool "ext2 command support" 994 help 995 Enables EXT2 FS command 996 997config CMD_EXT4 998 bool "ext4 command support" 999 help 1000 Enables EXT4 FS command 1001 1002config CMD_EXT4_WRITE 1003 depends on CMD_EXT4 1004 bool "ext4 write command support" 1005 help 1006 Enables EXT4 FS write command 1007 1008config CMD_FAT 1009 bool "FAT command support" 1010 help 1011 Support for the FAT fs 1012 1013config CMD_FS_GENERIC 1014 bool "filesystem commands" 1015 help 1016 Enables filesystem commands (e.g. load, ls) that work for multiple 1017 fs types. 1018 1019config CMD_FS_UUID 1020 bool "fsuuid command" 1021 help 1022 Enables fsuuid command for filesystem UUID. 1023 1024config CMD_MTDPARTS 1025 depends on ARCH_SUNXI 1026 bool "MTD partition support" 1027 help 1028 MTD partition support 1029 1030config MTDIDS_DEFAULT 1031 string "Default MTD IDs" 1032 depends on CMD_MTDPARTS 1033 help 1034 Defines a default MTD ID 1035 1036config MTDPARTS_DEFAULT 1037 string "Default MTD partition scheme" 1038 depends on CMD_MTDPARTS 1039 help 1040 Defines a default MTD partitioning scheme in the Linux MTD command 1041 line partitions format 1042 1043endmenu 1044 1045menu "Debug commands" 1046 1047config CMD_BEDBUG 1048 bool "bedbug" 1049 help 1050 The bedbug (emBEDded deBUGger) command provides debugging features 1051 for some PowerPC processors. For details please see the 1052 docuemntation in doc/README.beddbug 1053 1054config CMD_DIAG 1055 bool "diag - Board diagnostics" 1056 help 1057 This command provides access to board diagnostic tests. These are 1058 called Power-on Self Tests (POST). The command allows listing of 1059 available tests and running either all the tests, or specific tests 1060 identified by name. 1061 1062endmenu 1063 1064config CMD_UBI 1065 tristate "Enable UBI - Unsorted block images commands" 1066 select CRC32 1067 select MTD_UBI 1068 default y if NAND_SUNXI 1069 help 1070 UBI is a software layer above MTD layer which admits use of LVM-like 1071 logical volumes on top of MTD devices, hides some complexities of 1072 flash chips like wear and bad blocks and provides some other useful 1073 capabilities. Please, consult the MTD web site for more details 1074 (www.linux-mtd.infradead.org). Activate this option if you want 1075 to use U-Boot UBI commands. 1076 1077config CMD_UBIFS 1078 tristate "Enable UBIFS - Unsorted block images filesystem commands" 1079 depends on CMD_UBI 1080 select CRC32 1081 select RBTREE if ARCH_SUNXI 1082 select LZO if ARCH_SUNXI 1083 default y if NAND_SUNXI 1084 help 1085 UBIFS is a file system for flash devices which works on top of UBI. 1086 1087endmenu 1088