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 CMDLINE_EDITING 27 bool "Enable command line editing" 28 depends on CMDLINE 29 default y 30 help 31 Enable editing and History functions for interactive command line 32 input operations 33 34config AUTO_COMPLETE 35 bool "Enable auto complete using TAB" 36 depends on CMDLINE 37 default y 38 help 39 Enable auto completion of commands using TAB. 40 41config SYS_LONGHELP 42 bool "Enable long help messages" 43 depends on CMDLINE 44 default y if CMDLINE 45 help 46 Defined when you want long help messages included 47 Do not set this option when short of memory. 48 49config SYS_PROMPT 50 string "Shell prompt" 51 default "=> " 52 help 53 This string is displayed in the command line to the left of the 54 cursor. 55 56menu "Autoboot options" 57 58config AUTOBOOT 59 bool "Autoboot" 60 default y 61 help 62 This enables the autoboot. See doc/README.autoboot for detail. 63 64config AUTOBOOT_KEYED 65 bool "Stop autobooting via specific input key / string" 66 default n 67 help 68 This option enables stopping (aborting) of the automatic 69 boot feature only by issuing a specific input key or 70 string. If not enabled, any input key will abort the 71 U-Boot automatic booting process and bring the device 72 to the U-Boot prompt for user input. 73 74config AUTOBOOT_PROMPT 75 string "Autoboot stop prompt" 76 depends on AUTOBOOT_KEYED 77 default "Autoboot in %d seconds\\n" 78 help 79 This string is displayed before the boot delay selected by 80 CONFIG_BOOTDELAY starts. If it is not defined there is no 81 output indicating that autoboot is in progress. 82 83 Note that this define is used as the (only) argument to a 84 printf() call, so it may contain '%' format specifications, 85 provided that it also includes, sepearated by commas exactly 86 like in a printf statement, the required arguments. It is 87 the responsibility of the user to select only such arguments 88 that are valid in the given context. 89 90config AUTOBOOT_ENCRYPTION 91 bool "Enable encryption in autoboot stopping" 92 depends on AUTOBOOT_KEYED 93 default n 94 95config AUTOBOOT_DELAY_STR 96 string "Delay autobooting via specific input key / string" 97 depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION 98 help 99 This option delays the automatic boot feature by issuing 100 a specific input key or string. If CONFIG_AUTOBOOT_DELAY_STR 101 or the environment variable "bootdelaykey" is specified 102 and this string is received from console input before 103 autoboot starts booting, U-Boot gives a command prompt. The 104 U-Boot prompt will time out if CONFIG_BOOT_RETRY_TIME is 105 used, otherwise it never times out. 106 107config AUTOBOOT_STOP_STR 108 string "Stop autobooting via specific input key / string" 109 depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION 110 help 111 This option enables stopping (aborting) of the automatic 112 boot feature only by issuing a specific input key or 113 string. If CONFIG_AUTOBOOT_STOP_STR or the environment 114 variable "bootstopkey" is specified and this string is 115 received from console input before autoboot starts booting, 116 U-Boot gives a command prompt. The U-Boot prompt never 117 times out, even if CONFIG_BOOT_RETRY_TIME is used. 118 119config AUTOBOOT_KEYED_CTRLC 120 bool "Enable Ctrl-C autoboot interruption" 121 depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION 122 default n 123 help 124 This option allows for the boot sequence to be interrupted 125 by ctrl-c, in addition to the "bootdelaykey" and "bootstopkey". 126 Setting this variable provides an escape sequence from the 127 limited "password" strings. 128 129config AUTOBOOT_STOP_STR_SHA256 130 string "Stop autobooting via SHA256 encrypted password" 131 depends on AUTOBOOT_KEYED && AUTOBOOT_ENCRYPTION 132 help 133 This option adds the feature to only stop the autobooting, 134 and therefore boot into the U-Boot prompt, when the input 135 string / password matches a values that is encypted via 136 a SHA256 hash and saved in the environment. 137 138endmenu 139 140config BUILD_BIN2C 141 bool 142 143comment "Commands" 144 145menu "Info commands" 146 147config CMD_BDI 148 bool "bdinfo" 149 default y 150 help 151 Print board info 152 153config CMD_CONFIG 154 bool "config" 155 default SANDBOX 156 select BUILD_BIN2C 157 help 158 Print ".config" contents. 159 160 If this option is enabled, the ".config" file contents are embedded 161 in the U-Boot image and can be printed on the console by the "config" 162 command. This provides information of which options are enabled on 163 the running U-Boot. 164 165config CMD_CONSOLE 166 bool "coninfo" 167 default y 168 help 169 Print console devices and information. 170 171config CMD_CPU 172 bool "cpu" 173 help 174 Print information about available CPUs. This normally shows the 175 number of CPUs, type (e.g. manufacturer, architecture, product or 176 internal name) and clock frequency. Other information may be 177 available depending on the CPU driver. 178 179config CMD_LICENSE 180 bool "license" 181 select BUILD_BIN2C 182 help 183 Print GPL license text 184 185config CMD_REGINFO 186 bool "reginfo" 187 depends on PPC 188 help 189 Register dump 190 191endmenu 192 193menu "Boot commands" 194 195config CMD_BOOTD 196 bool "bootd" 197 default y 198 help 199 Run the command stored in the environment "bootcmd", i.e. 200 "bootd" does the same thing as "run bootcmd". 201 202config CMD_BOOTM 203 bool "bootm" 204 default y 205 help 206 Boot an application image from the memory. 207 208config CMD_BOOTZ 209 bool "bootz" 210 help 211 Boot the Linux zImage 212 213config CMD_BOOTI 214 bool "booti" 215 depends on ARM64 216 default y 217 help 218 Boot an AArch64 Linux Kernel image from memory. 219 220config CMD_BOOTEFI 221 bool "bootefi" 222 depends on EFI_LOADER 223 default y 224 help 225 Boot an EFI image from memory. 226 227config CMD_BOOTEFI_HELLO_COMPILE 228 bool "Compile a standard EFI hello world binary for testing" 229 depends on CMD_BOOTEFI && !CPU_V7M && !SANDBOX 230 default y 231 help 232 This compiles a standard EFI hello world application with U-Boot so 233 that it can be used with the test/py testing framework. This is useful 234 for testing that EFI is working at a basic level, and for bringing 235 up EFI support on a new architecture. 236 237 No additional space will be required in the resulting U-Boot binary 238 when this option is enabled. 239 240config CMD_BOOTEFI_HELLO 241 bool "Allow booting a standard EFI hello world for testing" 242 depends on CMD_BOOTEFI_HELLO_COMPILE 243 help 244 This adds a standard EFI hello world application to U-Boot so that 245 it can be used with the 'bootefi hello' command. This is useful 246 for testing that EFI is working at a basic level, and for bringing 247 up EFI support on a new architecture. 248 249source lib/efi_selftest/Kconfig 250 251config CMD_BOOTMENU 252 bool "bootmenu" 253 select MENU 254 help 255 Add an ANSI terminal boot menu command. 256 257config CMD_DTIMG 258 bool "dtimg" 259 help 260 Android DTB/DTBO image manipulation commands. Read dtb/dtbo files from 261 image into RAM, dump image structure information, etc. Those dtb/dtbo 262 files should be merged in one dtb further, which needs to be passed to 263 the kernel, as part of a boot process. 264 265config CMD_ELF 266 bool "bootelf, bootvx" 267 default y 268 help 269 Boot an ELF/vxWorks image from the memory. 270 271config CMD_FDT 272 bool "Flattened Device Tree utility commands" 273 default y 274 depends on OF_LIBFDT 275 help 276 Do FDT related setup before booting into the Operating System. 277 278config CMD_GO 279 bool "go" 280 default y 281 help 282 Start an application at a given address. 283 284config CMD_RUN 285 bool "run" 286 default y 287 help 288 Run the command in the given environment variable. 289 290config CMD_IMI 291 bool "iminfo" 292 default y 293 help 294 Print header information for application image. 295 296config CMD_IMLS 297 bool "imls" 298 help 299 List all images found in flash 300 301config CMD_XIMG 302 bool "imxtract" 303 default y 304 help 305 Extract a part of a multi-image. 306 307config CMD_SPL 308 bool "spl export - Export boot information for Falcon boot" 309 depends on SPL 310 help 311 Falcon mode allows booting directly from SPL into an Operating 312 System such as Linux, thus skipping U-Boot proper. See 313 doc/README.falcon for full information about how to use this 314 command. 315 316config CMD_SPL_NAND_OFS 317 hex "Offset of OS command line args for Falcon-mode NAND boot" 318 depends on CMD_SPL 319 default 0 320 help 321 This provides the offset of the command line arguments for Linux 322 when booting from NAND in Falcon mode. See doc/README.falcon 323 for full information about how to use this option (and also see 324 board/gateworks/gw_ventana/README for an example). 325 326config CMD_SPL_WRITE_SIZE 327 hex "Size of argument area" 328 depends on CMD_SPL 329 default 0x2000 330 help 331 This provides the size of the command-line argument area in NAND 332 flash used by Falcon-mode boot. See the documentation until CMD_SPL 333 for detail. 334 335config CMD_FITUPD 336 bool "fitImage update command" 337 help 338 Implements the 'fitupd' command, which allows to automatically 339 store software updates present on a TFTP server in NOR Flash 340 341config CMD_THOR_DOWNLOAD 342 bool "thor - TIZEN 'thor' download" 343 help 344 Implements the 'thor' download protocol. This is a way of 345 downloading a software update over USB from an attached host. 346 There is no documentation about this within the U-Boot source code 347 but you should be able to find something on the interwebs. 348 349config CMD_ZBOOT 350 bool "zboot - x86 boot command" 351 help 352 With x86 machines it is common to boot a bzImage file which 353 contains both a kernel and a setup.bin file. The latter includes 354 configuration information from the dark ages which x86 boards still 355 need to pick things out of. 356 357 Consider using FIT in preference to this since it supports directly 358 booting both 32- and 64-bit kernels, as well as secure boot. 359 Documentation is available in doc/uImage.FIT/x86-fit-boot.txt 360 361config CMD_BOOTS 362 bool "boots - Aspeed secure boot command" 363 depends on ASPEED_SECURE_BOOT 364 help 365 Boot in-memory application image with the 366 secure boot verification enabled 367 368endmenu 369 370menu "Environment commands" 371 372config CMD_ASKENV 373 bool "ask for env variable" 374 help 375 Ask for environment variable 376 377config CMD_EXPORTENV 378 bool "env export" 379 default y 380 help 381 Export environments. 382 383config CMD_IMPORTENV 384 bool "env import" 385 default y 386 help 387 Import environments. 388 389config CMD_EDITENV 390 bool "editenv" 391 default y 392 help 393 Edit environment variable. 394 395config CMD_GREPENV 396 bool "search env" 397 help 398 Allow for searching environment variables 399 400config CMD_SAVEENV 401 bool "saveenv" 402 default y 403 help 404 Save all environment variables into the compiled-in persistent 405 storage. 406 407config CMD_ENV_EXISTS 408 bool "env exists" 409 default y 410 help 411 Check if a variable is defined in the environment for use in 412 shell scripting. 413 414config CMD_ENV_CALLBACK 415 bool "env callbacks - print callbacks and their associated variables" 416 help 417 Some environment variable have callbacks defined by 418 U_BOOT_ENV_CALLBACK. These are called when the variable changes. 419 For example changing "baudrate" adjust the serial baud rate. This 420 command lists the currently defined callbacks. 421 422config CMD_ENV_FLAGS 423 bool "env flags -print variables that have non-default flags" 424 help 425 Some environment variables have special flags that control their 426 behaviour. For example, serial# can only be written once and cannot 427 be deleted. This command shows the variables that have special 428 flags. 429 430config CMD_NVEDIT_EFI 431 bool "env [set|print] -e - set/print UEFI variables" 432 depends on EFI_LOADER 433 default y 434 imply HEXDUMP 435 help 436 UEFI variables are encoded as some form of U-Boot variables. 437 If enabled, we are allowed to set/print UEFI variables using 438 "env" command with "-e" option without knowing details. 439 440endmenu 441 442menu "Memory commands" 443 444config CMD_BINOP 445 bool "binop" 446 help 447 Compute binary operations (xor, or, and) of byte arrays of arbitrary 448 size from memory and store the result in memory or the environment. 449 450config CMD_CRC32 451 bool "crc32" 452 default y 453 select HASH 454 help 455 Compute CRC32. 456 457config CRC32_VERIFY 458 bool "crc32 -v" 459 depends on CMD_CRC32 460 help 461 Add -v option to verify data against a crc32 checksum. 462 463config CMD_EEPROM 464 bool "eeprom - EEPROM subsystem" 465 depends on !DM_I2C || DM_I2C_COMPAT 466 help 467 (deprecated, needs conversion to driver model) 468 Provides commands to read and write EEPROM (Electrically Erasable 469 Programmable Read Only Memory) chips that are connected over an 470 I2C bus. 471 472config CMD_EEPROM_LAYOUT 473 bool "Enable layout-aware eeprom commands" 474 depends on CMD_EEPROM 475 help 476 (deprecated, needs conversion to driver model) 477 When enabled, additional eeprom sub-commands become available. 478 479 eeprom print - prints the contents of the eeprom in a human-readable 480 way (eeprom layout fields, and data formatted to be fit for human 481 consumption). 482 483 eeprom update - allows user to update eeprom fields by specifying 484 the field name, and providing the new data in a human readable format 485 (same format as displayed by the eeprom print command). 486 487 Both commands can either auto detect the layout, or be told which 488 layout to use. 489 490 Feature API: 491 __weak int parse_layout_version(char *str) 492 - override to provide your own layout name parsing 493 __weak void __eeprom_layout_assign(struct eeprom_layout *layout, 494 int layout_version); 495 - override to setup the layout metadata based on the version 496 __weak int eeprom_layout_detect(unsigned char *data) 497 - override to provide your own algorithm for detecting layout 498 version 499 eeprom_field.c 500 - contains various printing and updating functions for common 501 types of eeprom fields. Can be used for defining 502 custom layouts. 503 504config EEPROM_LAYOUT_HELP_STRING 505 string "Tells user what layout names are supported" 506 depends on CMD_EEPROM_LAYOUT 507 default "<not defined>" 508 help 509 Help printed with the LAYOUT VERSIONS part of the 'eeprom' 510 command's help. 511 512config LOOPW 513 bool "loopw" 514 help 515 Infinite write loop on address range 516 517config CMD_MD5SUM 518 bool "md5sum" 519 default n 520 select MD5 521 help 522 Compute MD5 checksum. 523 524config MD5SUM_VERIFY 525 bool "md5sum -v" 526 default n 527 depends on CMD_MD5SUM 528 help 529 Add -v option to verify data against an MD5 checksum. 530 531config CMD_MEMINFO 532 bool "meminfo" 533 help 534 Display memory information. 535 536config CMD_MEMORY 537 bool "md, mm, nm, mw, cp, cmp, base, loop" 538 default y 539 help 540 Memory commands. 541 md - memory display 542 mm - memory modify (auto-incrementing address) 543 nm - memory modify (constant address) 544 mw - memory write (fill) 545 cp - memory copy 546 cmp - memory compare 547 base - print or set address offset 548 loop - initialize loop on address range 549 550config CMD_MEMTEST 551 bool "memtest" 552 help 553 Simple RAM read/write test. 554 555if CMD_MEMTEST 556 557config SYS_ALT_MEMTEST 558 bool "Alternative test" 559 help 560 Use a more complete alternative memory test. 561 562endif 563 564config CMD_MX_CYCLIC 565 bool "mdc, mwc" 566 help 567 mdc - memory display cyclic 568 mwc - memory write cyclic 569 570config CMD_SHA1SUM 571 bool "sha1sum" 572 select SHA1 573 help 574 Compute SHA1 checksum. 575 576config SHA1SUM_VERIFY 577 bool "sha1sum -v" 578 depends on CMD_SHA1SUM 579 help 580 Add -v option to verify data against a SHA1 checksum. 581 582config CMD_STRINGS 583 bool "strings - display strings in memory" 584 help 585 This works similarly to the Unix 'strings' command except that it 586 works with a memory range. String of printable characters found 587 within the range are displayed. The minimum number of characters 588 for a sequence to be considered a string can be provided. 589 590endmenu 591 592menu "Compression commands" 593 594config CMD_LZMADEC 595 bool "lzmadec" 596 default y if CMD_BOOTI 597 select LZMA 598 help 599 Support decompressing an LZMA (Lempel-Ziv-Markov chain algorithm) 600 image from memory. 601 602config CMD_UNZIP 603 bool "unzip" 604 default y if CMD_BOOTI 605 help 606 Uncompress a zip-compressed memory region. 607 608config CMD_ZIP 609 bool "zip" 610 help 611 Compress a memory region with zlib deflate method. 612 613endmenu 614 615menu "Device access commands" 616 617config CMD_OTP 618 depends on ASPEED_AST2600 619 bool "ASPEED otp program" 620 default y 621 622config CMD_RNG 623 depends on ASPEED_AST2600 624 bool "ASPEED random number generator" 625 default n 626 627config CMD_ARMFLASH 628 #depends on FLASH_CFI_DRIVER 629 bool "armflash" 630 help 631 ARM Ltd reference designs flash partition access 632 633config CMD_ADC 634 bool "adc - Access Analog to Digital Converters info and data" 635 select ADC 636 select DM_REGULATOR 637 help 638 Shows ADC device info and permit printing one-shot analog converted 639 data from a named Analog to Digital Converter. 640 641config CMD_BIND 642 bool "bind/unbind - Bind or unbind a device to/from a driver" 643 depends on DM 644 help 645 Bind or unbind a device to/from a driver from the command line. 646 This is useful in situations where a device may be handled by several 647 drivers. For example, this can be used to bind a UDC to the usb ether 648 gadget driver from the command line. 649 650config CMD_CLK 651 bool "clk - Show clock frequencies" 652 help 653 (deprecated) 654 Shows clock frequences by calling a sock_clk_dump() hook function. 655 This is depreated in favour of using the CLK uclass and accessing 656 clock values from associated drivers. However currently no command 657 exists for this. 658 659config CMD_DEMO 660 bool "demo - Demonstration commands for driver model" 661 depends on DM 662 help 663 Provides a 'demo' command which can be used to play around with 664 driver model. To use this properly you will need to enable one or 665 both of the demo devices (DM_DEMO_SHAPE and DM_DEMO_SIMPLE). 666 Otherwise you will always get an empty list of devices. The demo 667 devices are defined in the sandbox device tree, so the easiest 668 option is to use sandbox and pass the -d point to sandbox's 669 u-boot.dtb file. 670 671config CMD_DFU 672 bool "dfu" 673 select DFU 674 help 675 Enables the command "dfu" which is used to have U-Boot create a DFU 676 class device via USB. This command requires that the "dfu_alt_info" 677 environment variable be set and define the alt settings to expose to 678 the host. 679 680config CMD_DM 681 bool "dm - Access to driver model information" 682 depends on DM 683 help 684 Provides access to driver model data structures and information, 685 such as a list of devices, list of uclasses and the state of each 686 device (e.g. activated). This is not required for operation, but 687 can be useful to see the state of driver model for debugging or 688 interest. 689 690config CMD_FASTBOOT 691 bool "fastboot - Android fastboot support" 692 depends on FASTBOOT 693 help 694 This enables the command "fastboot" which enables the Android 695 fastboot mode for the platform. Fastboot is a protocol for 696 downloading images, flashing and device control used on 697 Android devices. Fastboot requires either the network stack 698 enabled or support for acting as a USB device. 699 700 See doc/README.android-fastboot for more information. 701 702config CMD_FDC 703 bool "fdcboot - Boot from floppy device" 704 help 705 The 'fdtboot' command allows booting an image from a floppy disk. 706 707config CMD_FSI 708 bool "fsi - use FSI master" 709 depends on ASPEED_FSI 710 help 711 The 'fsi' command allows use of the FSI master present in ASPEED SoCs 712 713config CMD_FLASH 714 bool "flinfo, erase, protect" 715 default y 716 help 717 NOR flash support. 718 flinfo - print FLASH memory information 719 erase - FLASH memory 720 protect - enable or disable FLASH write protection 721 722config CMD_FPGA 723 bool "fpga" 724 depends on FPGA 725 default y 726 help 727 FPGA support. 728 729config CMD_FPGA_LOADBP 730 bool "fpga loadbp - load partial bitstream (Xilinx only)" 731 depends on CMD_FPGA 732 help 733 Supports loading an FPGA device from a bitstream buffer containing 734 a partial bitstream. 735 736config CMD_FPGA_LOADFS 737 bool "fpga loadfs - load bitstream from FAT filesystem (Xilinx only)" 738 depends on CMD_FPGA 739 help 740 Supports loading an FPGA device from a FAT filesystem. 741 742config CMD_FPGA_LOADMK 743 bool "fpga loadmk - load bitstream from image" 744 depends on CMD_FPGA 745 help 746 Supports loading an FPGA device from a image generated by mkimage. 747 748config CMD_FPGA_LOADP 749 bool "fpga loadp - load partial bitstream" 750 depends on CMD_FPGA 751 help 752 Supports loading an FPGA device from a bitstream buffer containing 753 a partial bitstream. 754 755config CMD_FPGA_LOAD_SECURE 756 bool "fpga loads - loads secure bitstreams (Xilinx only)" 757 depends on CMD_FPGA 758 help 759 Enables the fpga loads command which is used to load secure 760 (authenticated or encrypted or both) bitstreams on to FPGA. 761 762config CMD_FPGAD 763 bool "fpgad - dump FPGA registers" 764 help 765 (legacy, needs conversion to driver model) 766 Provides a way to dump FPGA registers by calling the board-specific 767 fpga_get_reg() function. This functions similarly to the 'md' 768 command. 769 770config CMD_FUSE 771 bool "fuse - support for the fuse subssystem" 772 help 773 (deprecated - needs conversion to driver model) 774 This allows reading, sensing, programming or overriding fuses 775 which control the behaviour of the device. The command uses the 776 fuse_...() API. 777 778config CMD_GPIO 779 bool "gpio" 780 help 781 GPIO support. 782 783config CMD_GPT 784 bool "GPT (GUID Partition Table) command" 785 select EFI_PARTITION 786 select HAVE_BLOCK_DEVICE 787 select PARTITION_UUIDS 788 imply RANDOM_UUID 789 help 790 Enable the 'gpt' command to ready and write GPT style partition 791 tables. 792 793config RANDOM_UUID 794 bool "GPT Random UUID generation" 795 select LIB_UUID 796 help 797 Enable the generation of partitions with random UUIDs if none 798 are provided. 799 800config CMD_GPT_RENAME 801 bool "GPT partition renaming commands" 802 depends on CMD_GPT 803 help 804 Enables the 'gpt' command to interchange names on two GPT 805 partitions via the 'gpt swap' command or to rename single 806 partitions via the 'rename' command. 807 808config CMD_IDE 809 bool "ide - Support for IDE drivers" 810 select IDE 811 help 812 Provides an 'ide' command which allows accessing the IDE drive, 813 reseting the IDE interface, printing the partition table and 814 geting device info. It also enables the 'diskboot' command which 815 permits booting from an IDE drive. 816 817config CMD_IO 818 bool "io - Support for performing I/O accesses" 819 help 820 Provides an 'iod' command to display I/O space and an 'iow' command 821 to write values to the I/O space. This can be useful for manually 822 checking the state of devices during boot when debugging device 823 drivers, etc. 824 825config CMD_IOTRACE 826 bool "iotrace - Support for tracing I/O activity" 827 help 828 Provides an 'iotrace' command which supports recording I/O reads and 829 writes in a trace buffer in memory . It also maintains a checksum 830 of the trace records (even if space is exhausted) so that the 831 sequence of I/O accesses can be verified. 832 833 When debugging drivers it is useful to see what I/O accesses were 834 done and in what order. 835 836 Even if the individual accesses are of little interest it can be 837 useful to verify that the access pattern is consistent each time 838 an operation is performed. In this case a checksum can be used to 839 characterise the operation of a driver. The checksum can be compared 840 across different runs of the operation to verify that the driver is 841 working properly. 842 843 In particular, when performing major refactoring of the driver, where 844 the access pattern should not change, the checksum provides assurance 845 that the refactoring work has not broken the driver. 846 847 This works by sneaking into the io.h heder for an architecture and 848 redirecting I/O accesses through iotrace's tracing mechanism. 849 850 For now no commands are provided to examine the trace buffer. The 851 format is fairly simple, so 'md' is a reasonable substitute. 852 853 Note: The checksum feature is only useful for I/O regions where the 854 contents do not change outside of software control. Where this is not 855 suitable you can fall back to manually comparing the addresses. It 856 might be useful to enhance tracing to only checksum the accesses and 857 not the data read/written. 858 859config CMD_I2C 860 bool "i2c" 861 help 862 I2C support. 863 864config CMD_W1 865 depends on W1 866 default y if W1 867 bool "w1 - Support for Dallas 1-Wire protocol" 868 help 869 Dallas 1-wire protocol support 870 871config CMD_LOADB 872 bool "loadb" 873 default y 874 help 875 Load a binary file over serial line. 876 877config CMD_LOADS 878 bool "loads" 879 default y 880 help 881 Load an S-Record file over serial line 882 883config CMD_MMC 884 bool "mmc" 885 help 886 MMC memory mapped support. 887 888config CMD_MMC_RPMB 889 bool "Enable support for RPMB in the mmc command" 890 depends on CMD_MMC 891 help 892 Enable the commands for reading, writing and programming the 893 key for the Replay Protection Memory Block partition in eMMC. 894 895config CMD_MMC_SWRITE 896 bool "mmc swrite" 897 depends on CMD_MMC && MMC_WRITE 898 select IMAGE_SPARSE 899 help 900 Enable support for the "mmc swrite" command to write Android sparse 901 images to eMMC. 902 903config CMD_MTD 904 bool "mtd" 905 select MTD_PARTITIONS 906 help 907 MTD commands support. 908 909config CMD_NAND 910 bool "nand" 911 default y if NAND_SUNXI 912 help 913 NAND support. 914 915if CMD_NAND 916config CMD_NAND_TRIMFFS 917 bool "nand write.trimffs" 918 default y if ARCH_SUNXI 919 help 920 Allows one to skip empty pages when flashing something on a NAND. 921 922config CMD_NAND_LOCK_UNLOCK 923 bool "nand lock/unlock" 924 help 925 NAND locking support. 926 927config CMD_NAND_TORTURE 928 bool "nand torture" 929 help 930 NAND torture support. 931 932endif # CMD_NAND 933 934config CMD_NVME 935 bool "nvme" 936 depends on NVME 937 default y if NVME 938 help 939 NVM Express device support 940 941config CMD_MMC_SPI 942 bool "mmc_spi - Set up MMC SPI device" 943 help 944 Provides a way to set up an MMC (Multimedia Card) SPI (Serial 945 Peripheral Interface) device. The device provides a means of 946 accessing an MMC device via SPI using a single data line, limited 947 to 20MHz. It is useful since it reduces the amount of protocol code 948 required. 949 950config CMD_ONENAND 951 bool "onenand - access to onenand device" 952 help 953 OneNAND is a brand of NAND ('Not AND' gate) flash which provides 954 various useful features. This command allows reading, writing, 955 and erasing blocks. It allso provides a way to show and change 956 bad blocks, and test the device. 957 958config CMD_OSD 959 bool "osd" 960 help 961 Enable the 'osd' command which allows to query information from and 962 write text data to a on-screen display (OSD) device; a virtual device 963 associated with a display capable of displaying a text overlay on the 964 display it's associated with.. 965 966config CMD_PART 967 bool "part" 968 select HAVE_BLOCK_DEVICE 969 select PARTITION_UUIDS 970 help 971 Read and display information about the partition table on 972 various media. 973 974config CMD_PCI 975 bool "pci - Access PCI devices" 976 help 977 Provide access to PCI (Peripheral Interconnect Bus), a type of bus 978 used on some devices to allow the CPU to communicate with its 979 peripherals. Sub-commands allow bus enumeration, displaying and 980 changing configuration space and a few other features. 981 982config CMD_PCMCIA 983 bool "pinit - Set up PCMCIA device" 984 help 985 Provides a means to initialise a PCMCIA (Personal Computer Memory 986 Card International Association) device. This is an old standard from 987 about 1990. These devices are typically removable memory or network 988 cards using a standard 68-pin connector. 989 990config CMD_PINMUX 991 bool "pinmux - show pins muxing" 992 default y if PINCTRL 993 help 994 Parse all available pin-controllers and show pins muxing. This 995 is useful for debug purpoer to check the pin muxing and to know if 996 a pin is configured as a GPIO or as an alternate function. 997 998config CMD_POWEROFF 999 bool "poweroff" 1000 help 1001 Poweroff/Shutdown the system 1002 1003config CMD_READ 1004 bool "read - Read binary data from a partition" 1005 help 1006 Provides low-level access to the data in a partition. 1007 1008config CMD_REMOTEPROC 1009 bool "remoteproc" 1010 depends on REMOTEPROC 1011 help 1012 Support for Remote Processor control 1013 1014config CMD_SATA 1015 bool "sata - Access SATA subsystem" 1016 select SATA 1017 help 1018 SATA (Serial Advanced Technology Attachment) is a serial bus 1019 standard for connecting to hard drives and other storage devices. 1020 This command provides information about attached devices and allows 1021 reading, writing and other operations. 1022 1023 SATA replaces PATA (originally just ATA), which stands for Parallel AT 1024 Attachment, where AT refers to an IBM AT (Advanced Technology) 1025 computer released in 1984. 1026 1027config CMD_SAVES 1028 bool "saves - Save a file over serial in S-Record format" 1029 help 1030 Provides a way to save a binary file using the Motorola S-Record 1031 format over the serial line. 1032 1033config CMD_SCSI 1034 bool "scsi - Access to SCSI devices" 1035 default y if SCSI 1036 help 1037 This provides a 'scsi' command which provides access to SCSI (Small 1038 Computer System Interface) devices. The command provides a way to 1039 scan the bus, reset the bus, read and write data and get information 1040 about devices. 1041 1042config CMD_SDRAM 1043 bool "sdram - Print SDRAM configuration information" 1044 help 1045 Provides information about attached SDRAM. This assumed that the 1046 SDRAM has an EEPROM with information that can be read using the 1047 I2C bus. This is only available on some boards. 1048 1049config CMD_SF 1050 bool "sf" 1051 help 1052 SPI Flash support 1053 1054config CMD_SF_TEST 1055 bool "sf test - Allow testing of SPI flash" 1056 help 1057 Provides a way to test that SPI flash is working correctly. The 1058 test is destructive, in that an area of SPI flash must be provided 1059 for the test to use. Performance information is also provided, 1060 measuring the performance of reading, writing and erasing in 1061 Mbps (Million Bits Per Second). This value should approximately 1062 equal the SPI bus speed for a single-bit-wide SPI bus, assuming 1063 everything is working properly. 1064 1065config CMD_SPI 1066 bool "sspi - Command to access spi device" 1067 help 1068 SPI utility command. 1069 1070config DEFAULT_SPI_BUS 1071 int "default spi bus used by sspi command" 1072 depends on CMD_SPI 1073 default 0 1074 1075config DEFAULT_SPI_MODE 1076 hex "default spi mode used by sspi command (see include/spi.h)" 1077 depends on CMD_SPI 1078 default 0 1079 1080config CMD_TSI148 1081 bool "tsi148 - Command to access tsi148 device" 1082 help 1083 This provides various sub-commands to initialise and configure the 1084 Turndra tsi148 device. See the command help for full details. 1085 1086config CMD_UNIVERSE 1087 bool "universe - Command to set up the Turndra Universe controller" 1088 help 1089 This allows setting up the VMEbus provided by this controller. 1090 See the command help for full details. 1091 1092config CMD_USB 1093 bool "usb" 1094 select HAVE_BLOCK_DEVICE 1095 help 1096 USB support. 1097 1098config CMD_USB_SDP 1099 bool "sdp" 1100 select USB_FUNCTION_SDP 1101 help 1102 Enables the command "sdp" which is used to have U-Boot emulating the 1103 Serial Download Protocol (SDP) via USB. 1104 1105config CMD_ROCKUSB 1106 bool "rockusb" 1107 depends on USB_FUNCTION_ROCKUSB 1108 help 1109 Rockusb protocol is widely used by Rockchip SoC based devices. It can 1110 read/write info, image to/from devices. This enable rockusb command 1111 support to communication with rockusb device. for more detail about 1112 this command, please read doc/README.rockusb. 1113 1114config CMD_USB_MASS_STORAGE 1115 bool "UMS usb mass storage" 1116 select USB_FUNCTION_MASS_STORAGE 1117 help 1118 USB mass storage support 1119 1120config CMD_VIRTIO 1121 bool "virtio" 1122 depends on VIRTIO 1123 default y if VIRTIO 1124 help 1125 VirtIO block device support 1126 1127config CMD_AXI 1128 bool "axi" 1129 depends on AXI 1130 help 1131 Enable the command "axi" for accessing AXI (Advanced eXtensible 1132 Interface) busses, a on-chip interconnect specification for managing 1133 functional blocks in SoC designs, which is also often used in designs 1134 involving FPGAs (e.g. communication with IP cores in Xilinx FPGAs). 1135endmenu 1136 1137 1138menu "Shell scripting commands" 1139 1140config CMD_ECHO 1141 bool "echo" 1142 default y 1143 help 1144 Echo args to console 1145 1146config CMD_ITEST 1147 bool "itest" 1148 default y 1149 help 1150 Return true/false on integer compare. 1151 1152config CMD_SOURCE 1153 bool "source" 1154 default y 1155 help 1156 Run script from memory 1157 1158config CMD_SETEXPR 1159 bool "setexpr" 1160 default y 1161 help 1162 Evaluate boolean and math expressions and store the result in an env 1163 variable. 1164 Also supports loading the value at a memory location into a variable. 1165 If CONFIG_REGEX is enabled, setexpr also supports a gsub function. 1166 1167endmenu 1168 1169if NET 1170 1171menuconfig CMD_NET 1172 bool "Network commands" 1173 default y 1174 imply NETDEVICES 1175 1176if CMD_NET 1177 1178config CMD_BOOTP 1179 bool "bootp" 1180 default y 1181 help 1182 bootp - boot image via network using BOOTP/TFTP protocol 1183 1184config CMD_DHCP 1185 bool "dhcp" 1186 depends on CMD_BOOTP 1187 help 1188 Boot image via network using DHCP/TFTP protocol 1189 1190config BOOTP_BOOTPATH 1191 bool "Request & store 'rootpath' from BOOTP/DHCP server" 1192 default y 1193 depends on CMD_BOOTP 1194 help 1195 Even though the config is called BOOTP_BOOTPATH, it stores the 1196 path in the variable 'rootpath'. 1197 1198config BOOTP_DNS 1199 bool "Request & store 'dnsip' from BOOTP/DHCP server" 1200 default y 1201 depends on CMD_BOOTP 1202 help 1203 The primary DNS server is stored as 'dnsip'. If two servers are 1204 returned, you must set BOOTP_DNS2 to store that second server IP 1205 also. 1206 1207config BOOTP_DNS2 1208 bool "Store 'dnsip2' from BOOTP/DHCP server" 1209 depends on BOOTP_DNS 1210 help 1211 If a DHCP client requests the DNS server IP from a DHCP server, 1212 it is possible that more than one DNS serverip is offered to the 1213 client. If CONFIG_BOOTP_DNS2 is enabled, the secondary DNS 1214 server IP will be stored in the additional environment 1215 variable "dnsip2". The first DNS serverip is always 1216 stored in the variable "dnsip", when BOOTP_DNS is defined. 1217 1218config BOOTP_GATEWAY 1219 bool "Request & store 'gatewayip' from BOOTP/DHCP server" 1220 default y 1221 depends on CMD_BOOTP 1222 1223config BOOTP_HOSTNAME 1224 bool "Request & store 'hostname' from BOOTP/DHCP server" 1225 default y 1226 depends on CMD_BOOTP 1227 help 1228 The name may or may not be qualified with the local domain name. 1229 1230config BOOTP_PREFER_SERVERIP 1231 bool "serverip variable takes precedent over DHCP server IP." 1232 depends on CMD_BOOTP 1233 help 1234 By default a BOOTP/DHCP reply will overwrite the 'serverip' variable. 1235 1236 With this option enabled, the 'serverip' variable in the environment 1237 takes precedence over DHCP server IP and will only be set by the DHCP 1238 server if not already set in the environment. 1239 1240config BOOTP_SUBNETMASK 1241 bool "Request & store 'netmask' from BOOTP/DHCP server" 1242 default y 1243 depends on CMD_BOOTP 1244 1245config BOOTP_NTPSERVER 1246 bool "Request & store 'ntpserverip' from BOOTP/DHCP server" 1247 depends on CMD_BOOTP 1248 1249config BOOTP_PXE 1250 bool "Send PXE client arch to BOOTP/DHCP server" 1251 default y 1252 depends on CMD_BOOTP && CMD_PXE 1253 help 1254 Supported for ARM, ARM64, and x86 for now. 1255 1256config BOOTP_PXE_CLIENTARCH 1257 hex 1258 depends on BOOTP_PXE 1259 default 0x16 if ARM64 1260 default 0x15 if ARM 1261 default 0 if X86 1262 1263config BOOTP_VCI_STRING 1264 string 1265 depends on CMD_BOOTP 1266 default "U-Boot.armv7" if CPU_V7A || CPU_V7M || CPU_V7R 1267 default "U-Boot.armv8" if ARM64 1268 default "U-Boot.arm" if ARM 1269 default "U-Boot" 1270 1271config CMD_TFTPBOOT 1272 bool "tftpboot" 1273 default y 1274 help 1275 tftpboot - boot image via network using TFTP protocol 1276 1277config CMD_TFTPPUT 1278 bool "tftp put" 1279 depends on CMD_TFTPBOOT 1280 help 1281 TFTP put command, for uploading files to a server 1282 1283config CMD_TFTPSRV 1284 bool "tftpsrv" 1285 depends on CMD_TFTPBOOT 1286 help 1287 Act as a TFTP server and boot the first received file 1288 1289config NET_TFTP_VARS 1290 bool "Control TFTP timeout and count through environment" 1291 depends on CMD_TFTPBOOT 1292 default y 1293 help 1294 If set, allows controlling the TFTP timeout through the 1295 environment variable tftptimeout, and the TFTP maximum 1296 timeout count through the variable tftptimeoutcountmax. 1297 If unset, timeout and maximum are hard-defined as 1 second 1298 and 10 timouts per TFTP transfer. 1299 1300config CMD_RARP 1301 bool "rarpboot" 1302 help 1303 Boot image via network using RARP/TFTP protocol 1304 1305config CMD_NFS 1306 bool "nfs" 1307 default y 1308 help 1309 Boot image via network using NFS protocol. 1310 1311config CMD_MII 1312 bool "mii" 1313 help 1314 Enable MII utility commands. 1315 1316config CMD_PING 1317 bool "ping" 1318 help 1319 Send ICMP ECHO_REQUEST to network host 1320 1321config CMD_CDP 1322 bool "cdp" 1323 help 1324 Perform CDP network configuration 1325 1326config CMD_SNTP 1327 bool "sntp" 1328 help 1329 Synchronize RTC via network 1330 1331config CMD_DNS 1332 bool "dns" 1333 help 1334 Lookup the IP of a hostname 1335 1336config CMD_LINK_LOCAL 1337 bool "linklocal" 1338 select LIB_RAND 1339 help 1340 Acquire a network IP address using the link-local protocol 1341 1342config CMD_NCSI 1343 bool "ncsi" 1344 depends on PHY_NCSI 1345 help 1346 Manually configure the attached NIC via NC-SI. 1347 Normally this happens automatically before other network 1348 operations. 1349 1350endif 1351 1352config CMD_ETHSW 1353 bool "ethsw" 1354 help 1355 Allow control of L2 Ethernet switch commands. These are supported 1356 by the vsc9953 Ethernet driver at present. Sub-commands allow 1357 operations such as enabling / disabling a port and 1358 viewing/maintaining the filtering database (FDB) 1359 1360config CMD_PXE 1361 bool "pxe" 1362 select MENU 1363 help 1364 Boot image via network using PXE protocol 1365 1366config CMD_WOL 1367 bool "wol" 1368 help 1369 Wait for wake-on-lan Magic Packet 1370 1371endif 1372 1373menu "Misc commands" 1374 1375config CMD_BMP 1376 bool "Enable 'bmp' command" 1377 depends on LCD || DM_VIDEO || VIDEO 1378 help 1379 This provides a way to obtain information about a BMP-format iamge 1380 and to display it. BMP (which presumably stands for BitMaP) is a 1381 file format defined by Microsoft which supports images of various 1382 depths, formats and compression methods. Headers on the file 1383 determine the formats used. This command can be used by first loading 1384 the image into RAM, then using this command to look at it or display 1385 it. 1386 1387config CMD_BOOTCOUNT 1388 bool "bootcount" 1389 depends on BOOTCOUNT_LIMIT 1390 help 1391 Enable the bootcount command, which allows interrogation and 1392 reset of the bootcounter. 1393 1394config CMD_BSP 1395 bool "Enable board-specific commands" 1396 help 1397 (deprecated: instead, please define a Kconfig option for each command) 1398 1399 Some boards have board-specific commands which are only enabled 1400 during developemnt and need to be turned off for production. This 1401 option provides a way to control this. The commands that are enabled 1402 vary depending on the board. 1403 1404config CMD_BKOPS_ENABLE 1405 bool "mmc bkops enable" 1406 depends on CMD_MMC 1407 default n 1408 help 1409 Enable command for setting manual background operations handshake 1410 on a eMMC device. The feature is optionally available on eMMC devices 1411 conforming to standard >= 4.41. 1412 1413config CMD_BLOCK_CACHE 1414 bool "blkcache - control and stats for block cache" 1415 depends on BLOCK_CACHE 1416 default y if BLOCK_CACHE 1417 help 1418 Enable the blkcache command, which can be used to control the 1419 operation of the cache functions. 1420 This is most useful when fine-tuning the operation of the cache 1421 during development, but also allows the cache to be disabled when 1422 it might hurt performance (e.g. when using the ums command). 1423 1424config CMD_CACHE 1425 bool "icache or dcache" 1426 help 1427 Enable the "icache" and "dcache" commands 1428 1429config CMD_CONITRACE 1430 bool "conitrace - trace console input codes" 1431 help 1432 Enable the 'conitrace' command which displays the codes received 1433 from the console input as hexadecimal numbers. 1434 1435config CMD_CLS 1436 bool "Enable clear screen command 'cls'" 1437 depends on CFB_CONSOLE || DM_VIDEO || LCD || VIDEO 1438 default y if LCD 1439 help 1440 Enable the 'cls' command which clears the screen contents 1441 on video frame buffer. 1442 1443config CMD_DISPLAY 1444 bool "Enable the 'display' command, for character displays" 1445 help 1446 (this needs porting to driver model) 1447 This enables the 'display' command which allows a string to be 1448 displayed on a simple board-specific display. Implement 1449 display_putc() to use it. 1450 1451config CMD_EFIDEBUG 1452 bool "efidebug - display/configure UEFI environment" 1453 depends on EFI_LOADER 1454 default n 1455 help 1456 Enable the 'efidebug' command which provides a subset of UEFI 1457 shell utility with simplified functionality. It will be useful 1458 particularly for managing boot parameters as well as examining 1459 various EFI status for debugging. 1460 1461config CMD_LED 1462 bool "led" 1463 depends on LED 1464 default y if LED 1465 help 1466 Enable the 'led' command which allows for control of LEDs supported 1467 by the board. The LEDs can be listed with 'led list' and controlled 1468 with led on/off/togle/blink. Any LED drivers can be controlled with 1469 this command, e.g. led_gpio. 1470 1471config CMD_DATE 1472 bool "date" 1473 default y if DM_RTC 1474 help 1475 Enable the 'date' command for getting/setting the time/date in RTC 1476 devices. 1477 1478config CMD_TIME 1479 bool "time" 1480 help 1481 Run commands and summarize execution time. 1482 1483config CMD_GETTIME 1484 bool "gettime - read elapsed time" 1485 help 1486 Enable the 'gettime' command which reads the elapsed time since 1487 U-Boot started running. This shows the time in seconds and 1488 milliseconds. See also the 'bootstage' command which provides more 1489 flexibility for boot timing. 1490 1491# TODO: rename to CMD_SLEEP 1492config CMD_MISC 1493 bool "sleep" 1494 default y 1495 help 1496 Delay execution for some time 1497 1498config MP 1499 bool "support for multiprocessor" 1500 help 1501 This provides an option to brinup 1502 different processors in multiprocessor 1503 cases. 1504 1505config CMD_TIMER 1506 bool "timer" 1507 help 1508 Access the system timer. 1509 1510config CMD_SOUND 1511 bool "sound" 1512 depends on SOUND 1513 help 1514 This provides basic access to the U-Boot's sound support. The main 1515 feature is to play a beep. 1516 1517 sound init - set up sound system 1518 sound play - play a sound 1519 1520config CMD_QFW 1521 bool "qfw" 1522 select QFW 1523 help 1524 This provides access to the QEMU firmware interface. The main 1525 feature is to allow easy loading of files passed to qemu-system 1526 via -kernel / -initrd 1527 1528source "cmd/mvebu/Kconfig" 1529 1530config CMD_TERMINAL 1531 bool "terminal - provides a way to attach a serial terminal" 1532 help 1533 Provides a 'cu'-like serial terminal command. This can be used to 1534 access other serial ports from the system console. The terminal 1535 is very simple with no special processing of characters. As with 1536 cu, you can press ~. (tilde followed by period) to exit. 1537 1538config CMD_UUID 1539 bool "uuid, guid - generation of unique IDs" 1540 select LIB_UUID 1541 help 1542 This enables two commands: 1543 1544 uuid - generate random Universally Unique Identifier 1545 guid - generate Globally Unique Identifier based on random UUID 1546 1547 The two commands are very similar except for the endianness of the 1548 output. 1549 1550endmenu 1551 1552source "cmd/ti/Kconfig" 1553 1554config CMD_BOOTSTAGE 1555 bool "Enable the 'bootstage' command" 1556 depends on BOOTSTAGE 1557 help 1558 Add a 'bootstage' command which supports printing a report 1559 and un/stashing of bootstage data. 1560 1561menu "Power commands" 1562config CMD_PMIC 1563 bool "Enable Driver Model PMIC command" 1564 depends on DM_PMIC 1565 help 1566 This is the pmic command, based on a driver model pmic's API. 1567 Command features are unchanged: 1568 - list - list pmic devices 1569 - pmic dev <id> - show or [set] operating pmic device (NEW) 1570 - pmic dump - dump registers 1571 - pmic read address - read byte of register at address 1572 - pmic write address - write byte to register at address 1573 The only one change for this command is 'dev' subcommand. 1574 1575config CMD_REGULATOR 1576 bool "Enable Driver Model REGULATOR command" 1577 depends on DM_REGULATOR 1578 help 1579 This command is based on driver model regulator's API. 1580 User interface features: 1581 - list - list regulator devices 1582 - regulator dev <id> - show or [set] operating regulator device 1583 - regulator info - print constraints info 1584 - regulator status - print operating status 1585 - regulator value <val] <-f> - print/[set] voltage value [uV] 1586 - regulator current <val> - print/[set] current value [uA] 1587 - regulator mode <id> - print/[set] operating mode id 1588 - regulator enable - enable the regulator output 1589 - regulator disable - disable the regulator output 1590 1591 The '-f' (force) option can be used for set the value which exceeds 1592 the limits, which are found in device-tree and are kept in regulator's 1593 uclass platdata structure. 1594 1595endmenu 1596 1597menu "Security commands" 1598config CMD_AES 1599 bool "Enable the 'aes' command" 1600 select AES 1601 help 1602 This provides a means to encrypt and decrypt data using the AES 1603 (Advanced Encryption Standard). This algorithm uses a symetric key 1604 and is widely used as a streaming cipher. Different key lengths are 1605 supported by the algorithm but this command only supports 128 bits 1606 at present. 1607 1608config CMD_BLOB 1609 bool "Enable the 'blob' command" 1610 help 1611 This is used with the Freescale secure boot mechanism. 1612 1613 Freescale's SEC block has built-in Blob Protocol which provides 1614 a method for protecting user-defined data across system power 1615 cycles. SEC block protects data in a data structure called a Blob, 1616 which provides both confidentiality and integrity protection. 1617 1618 Encapsulating data as a blob 1619 Each time that the Blob Protocol is used to protect data, a 1620 different randomly generated key is used to encrypt the data. 1621 This random key is itself encrypted using a key which is derived 1622 from SoC's non-volatile secret key and a 16 bit Key identifier. 1623 The resulting encrypted key along with encrypted data is called a 1624 blob. The non-volatile secure key is available for use only during 1625 secure boot. 1626 1627 During decapsulation, the reverse process is performed to get back 1628 the original data. 1629 1630 Sub-commands: 1631 blob enc - encapsulating data as a cryptgraphic blob 1632 blob dec - decapsulating cryptgraphic blob to get the data 1633 1634 Syntax: 1635 1636 blob enc src dst len km 1637 1638 Encapsulate and create blob of data $len bytes long 1639 at address $src and store the result at address $dst. 1640 $km is the 16 byte key modifier is also required for 1641 generation/use as key for cryptographic operation. Key 1642 modifier should be 16 byte long. 1643 1644 blob dec src dst len km 1645 1646 Decapsulate the blob of data at address $src and 1647 store result of $len byte at addr $dst. 1648 $km is the 16 byte key modifier is also required for 1649 generation/use as key for cryptographic operation. Key 1650 modifier should be 16 byte long. 1651 1652config CMD_HASH 1653 bool "Support 'hash' command" 1654 select HASH 1655 help 1656 This provides a way to hash data in memory using various supported 1657 algorithms (such as SHA1, MD5, CRC32). The computed digest can be 1658 saved to memory or to an environment variable. It is also possible 1659 to verify a hash against data in memory. 1660 1661config CMD_HVC 1662 bool "Support the 'hvc' command" 1663 depends on ARM_SMCCC 1664 help 1665 Allows issuing Hypervisor Calls (HVCs). Mostly useful for 1666 development and testing. 1667 1668config CMD_SMC 1669 bool "Support the 'smc' command" 1670 depends on ARM_SMCCC 1671 help 1672 Allows issuing Secure Monitor Calls (SMCs). Mostly useful for 1673 development and testing. 1674 1675config HASH_VERIFY 1676 bool "hash -v" 1677 depends on CMD_HASH 1678 help 1679 Add -v option to verify data against a hash. 1680 1681config CMD_TPM_V1 1682 bool 1683 1684config CMD_TPM_V2 1685 bool 1686 select CMD_LOG 1687 1688config CMD_TPM 1689 bool "Enable the 'tpm' command" 1690 depends on TPM_V1 || TPM_V2 1691 select CMD_TPM_V1 if TPM_V1 1692 select CMD_TPM_V2 if TPM_V2 1693 help 1694 This provides a means to talk to a TPM from the command line. A wide 1695 range of commands if provided - see 'tpm help' for details. The 1696 command requires a suitable TPM on your board and the correct driver 1697 must be enabled. 1698 1699if CMD_TPM 1700 1701config CMD_TPM_TEST 1702 bool "Enable the 'tpm test' command" 1703 depends on TPM_V1 1704 help 1705 This provides a a series of tests to confirm that the TPMv1.x is 1706 working correctly. The tests cover initialisation, non-volatile RAM, 1707 extend, global lock and checking that timing is within expectations. 1708 The tests pass correctly on Infineon TPMs but may need to be adjusted 1709 for other devices. 1710 1711endif 1712 1713endmenu 1714 1715menu "Firmware commands" 1716config CMD_CROS_EC 1717 bool "Enable crosec command" 1718 depends on CROS_EC 1719 default y 1720 help 1721 Enable command-line access to the Chrome OS EC (Embedded 1722 Controller). This provides the 'crosec' command which has 1723 a number of sub-commands for performing EC tasks such as 1724 updating its flash, accessing a small saved context area 1725 and talking to the I2C bus behind the EC (if there is one). 1726endmenu 1727 1728menu "Filesystem commands" 1729config CMD_BTRFS 1730 bool "Enable the 'btrsubvol' command" 1731 select FS_BTRFS 1732 help 1733 This enables the 'btrsubvol' command to list subvolumes 1734 of a BTRFS filesystem. There are no special commands for 1735 listing BTRFS directories or loading BTRFS files - this 1736 can be done by the generic 'fs' commands (see CMD_FS_GENERIC) 1737 when BTRFS is enabled (see FS_BTRFS). 1738 1739config CMD_CBFS 1740 bool "Enable the 'cbfs' command" 1741 depends on FS_CBFS 1742 help 1743 Define this to enable support for reading from a Coreboot 1744 filesystem. This is a ROM-based filesystem used for accessing files 1745 on systems that use coreboot as the first boot-loader and then load 1746 U-Boot to actually boot the Operating System. Available commands are 1747 cbfsinit, cbfsinfo, cbfsls and cbfsload. 1748 1749config CMD_CRAMFS 1750 bool "Enable the 'cramfs' command" 1751 depends on FS_CRAMFS 1752 help 1753 This provides commands for dealing with CRAMFS (Compressed ROM 1754 filesystem). CRAMFS is useful when space is tight since files are 1755 compressed. Two commands are provided: 1756 1757 cramfsls - lists files in a cramfs image 1758 cramfsload - loads a file from a cramfs image 1759 1760config CMD_EXT2 1761 bool "ext2 command support" 1762 select FS_EXT4 1763 help 1764 Enables EXT2 FS command 1765 1766config CMD_EXT4 1767 bool "ext4 command support" 1768 select FS_EXT4 1769 help 1770 Enables EXT4 FS command 1771 1772config CMD_EXT4_WRITE 1773 depends on CMD_EXT4 1774 bool "ext4 write command support" 1775 select EXT4_WRITE 1776 help 1777 Enables EXT4 FS write command 1778 1779config CMD_FAT 1780 bool "FAT command support" 1781 select FS_FAT 1782 help 1783 Support for the FAT fs 1784 1785config CMD_FS_GENERIC 1786 bool "filesystem commands" 1787 help 1788 Enables filesystem commands (e.g. load, ls) that work for multiple 1789 fs types. 1790 1791config CMD_FS_UUID 1792 bool "fsuuid command" 1793 help 1794 Enables fsuuid command for filesystem UUID. 1795 1796config CMD_JFFS2 1797 bool "jffs2 command" 1798 select FS_JFFS2 1799 help 1800 Enables commands to support the JFFS2 (Journalling Flash File System 1801 version 2) filesystem. This enables fsload, ls and fsinfo which 1802 provide the ability to load files, list directories and obtain 1803 filesystem information. 1804 1805config CMD_MTDPARTS 1806 bool "MTD partition support" 1807 select MTD_DEVICE if (CMD_NAND || NAND) 1808 help 1809 MTD partitioning tool support. 1810 It is strongly encouraged to avoid using this command 1811 anymore along with 'sf', 'nand', 'onenand'. One can still 1812 declare the partitions in the mtdparts environment variable 1813 but better use the MTD stack and the 'mtd' command instead. 1814 1815config MTDIDS_DEFAULT 1816 string "Default MTD IDs" 1817 depends on MTD_PARTITIONS || CMD_MTDPARTS || CMD_NAND || CMD_FLASH 1818 help 1819 Defines a default MTD IDs list for use with MTD partitions in the 1820 Linux MTD command line partitions format. 1821 1822config MTDPARTS_DEFAULT 1823 string "Default MTD partition scheme" 1824 depends on MTD_PARTITIONS || CMD_MTDPARTS || CMD_NAND || CMD_FLASH 1825 help 1826 Defines a default MTD partitioning scheme in the Linux MTD command 1827 line partitions format 1828 1829config CMD_MTDPARTS_SPREAD 1830 bool "Padd partition size to take account of bad blocks" 1831 depends on CMD_MTDPARTS 1832 help 1833 This enables the 'spread' sub-command of the mtdparts command. 1834 This command will modify the existing mtdparts variable by increasing 1835 the size of the partitions such that 1) each partition's net size is 1836 at least as large as the size specified in the mtdparts variable and 1837 2) each partition starts on a good block. 1838 1839config CMD_REISER 1840 bool "reiser - Access to reiserfs filesystems" 1841 help 1842 This provides two commands which operate on a resierfs filesystem, 1843 commonly used some years ago: 1844 1845 reiserls - list files 1846 reiserload - load a file 1847 1848config CMD_YAFFS2 1849 bool "yaffs2 - Access of YAFFS2 filesystem" 1850 depends on YAFFS2 1851 default y 1852 help 1853 This provides commands for accessing a YAFFS2 filesystem. Yet 1854 Another Flash Filesystem 2 is a filesystem designed specifically 1855 for NAND flash. It incorporates bad-block management and ensures 1856 that device writes are sequential regardless of filesystem 1857 activity. 1858 1859config CMD_ZFS 1860 bool "zfs - Access of ZFS filesystem" 1861 help 1862 This provides commands to accessing a ZFS filesystem, commonly used 1863 on Solaris systems. Two sub-commands are provided: 1864 1865 zfsls - list files in a directory 1866 zfsload - load a file 1867 1868 See doc/README.zfs for more details. 1869 1870endmenu 1871 1872menu "Debug commands" 1873 1874config CMD_BEDBUG 1875 bool "bedbug" 1876 help 1877 The bedbug (emBEDded deBUGger) command provides debugging features 1878 for some PowerPC processors. For details please see the 1879 docuemntation in doc/README.beddbug 1880 1881config CMD_DIAG 1882 bool "diag - Board diagnostics" 1883 help 1884 This command provides access to board diagnostic tests. These are 1885 called Power-on Self Tests (POST). The command allows listing of 1886 available tests and running either all the tests, or specific tests 1887 identified by name. 1888 1889config CMD_IRQ 1890 bool "irq - Show information about interrupts" 1891 depends on !ARM && !MIPS && !SH 1892 help 1893 This enables two commands: 1894 1895 interrupts - enable or disable interrupts 1896 irqinfo - print device-specific interrupt information 1897 1898config CMD_KGDB 1899 bool "kgdb - Allow debugging of U-Boot with gdb" 1900 depends on PPC 1901 help 1902 This enables a 'kgdb' command which allows gdb to connect to U-Boot 1903 over a serial link for debugging purposes. This allows 1904 single-stepping, inspecting variables, etc. This is supported only 1905 on PowerPC at present. 1906 1907config CMD_LOG 1908 bool "log - Generation, control and access to logging" 1909 select LOG 1910 help 1911 This provides access to logging features. It allows the output of 1912 log data to be controlled to a limited extent (setting up the default 1913 maximum log level for emitting of records). It also provides access 1914 to a command used for testing the log system. 1915 1916config CMD_TRACE 1917 bool "trace - Support tracing of function calls and timing" 1918 help 1919 Enables a command to control using of function tracing within 1920 U-Boot. This allows recording of call traces including timing 1921 information. The command can write data to memory for exporting 1922 for analsys (e.g. using bootchart). See doc/README.trace for full 1923 details. 1924 1925config CMD_AVB 1926 bool "avb - Android Verified Boot 2.0 operations" 1927 depends on AVB_VERIFY 1928 default n 1929 help 1930 Enables a "avb" command to perform verification of partitions using 1931 Android Verified Boot 2.0 functionality. It includes such subcommands: 1932 avb init - initialize avb2 subsystem 1933 avb read_rb - read rollback index 1934 avb write_rb - write rollback index 1935 avb is_unlocked - check device lock state 1936 avb get_uuid - read and print uuid of a partition 1937 avb read_part - read data from partition 1938 avb read_part_hex - read data from partition and output to stdout 1939 avb write_part - write data to partition 1940 avb verify - run full verification chain 1941endmenu 1942 1943config CMD_UBI 1944 tristate "Enable UBI - Unsorted block images commands" 1945 select CRC32 1946 select MTD_UBI 1947 help 1948 UBI is a software layer above MTD layer which admits use of LVM-like 1949 logical volumes on top of MTD devices, hides some complexities of 1950 flash chips like wear and bad blocks and provides some other useful 1951 capabilities. Please, consult the MTD web site for more details 1952 (www.linux-mtd.infradead.org). Activate this option if you want 1953 to use U-Boot UBI commands. 1954 It is also strongly encouraged to also enable CONFIG_MTD to get full 1955 partition support. 1956 1957config CMD_UBIFS 1958 tristate "Enable UBIFS - Unsorted block images filesystem commands" 1959 depends on CMD_UBI 1960 default y if CMD_UBI 1961 select CRC32 1962 select LZO 1963 help 1964 UBIFS is a file system for flash devices which works on top of UBI. 1965 1966source "cmd/aspeed/Kconfig" 1967 1968endmenu 1969