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 317endmenu 318 319menu "Memory commands" 320 321config CMD_MEMORY 322 bool "md, mm, nm, mw, cp, cmp, base, loop" 323 default y 324 help 325 Memory commands. 326 md - memory display 327 mm - memory modify (auto-incrementing address) 328 nm - memory modify (constant address) 329 mw - memory write (fill) 330 cp - memory copy 331 cmp - memory compare 332 base - print or set address offset 333 loop - initialize loop on address range 334 335config CMD_CRC32 336 bool "crc32" 337 default y 338 help 339 Compute CRC32. 340 341config CMD_MD5SUM 342 bool "md5sum" 343 default n 344 select MD5 345 help 346 Compute MD5 checksum. 347 348config MD5SUM_VERFIY 349 bool "md5sum -v" 350 default n 351 depends on CMD_MD5SUM 352 help 353 Add -v option to verify data against an MD5 checksum. 354 355config LOOPW 356 bool "loopw" 357 help 358 Infinite write loop on address range 359 360config CMD_MEMTEST 361 bool "memtest" 362 help 363 Simple RAM read/write test. 364 365config CMD_MX_CYCLIC 366 bool "mdc, mwc" 367 help 368 mdc - memory display cyclic 369 mwc - memory write cyclic 370 371config CMD_MEMINFO 372 bool "meminfo" 373 help 374 Display memory information. 375 376config CMD_UNZIP 377 bool "unzip" 378 help 379 Uncompress a zip-compressed memory region. 380 381config CMD_ZIP 382 bool "zip" 383 help 384 Compress a memory region with zlib deflate method. 385 386endmenu 387 388menu "Device access commands" 389 390config CMD_CLK 391 bool "clk - Show clock frequencies" 392 help 393 (deprecated) 394 Shows clock frequences by calling a sock_clk_dump() hook function. 395 This is depreated in favour of using the CLK uclass and accessing 396 clock values from associated drivers. However currently no command 397 exists for this. 398 399config CMD_DM 400 bool "dm - Access to driver model information" 401 depends on DM 402 default y 403 help 404 Provides access to driver model data structures and information, 405 such as a list of devices, list of uclasses and the state of each 406 device (e.g. activated). This is not required for operation, but 407 can be useful to see the state of driver model for debugging or 408 interest. 409 410config CMD_DEMO 411 bool "demo - Demonstration commands for driver model" 412 depends on DM 413 help 414 Provides a 'demo' command which can be used to play around with 415 driver model. To use this properly you will need to enable one or 416 both of the demo devices (DM_DEMO_SHAPE and DM_DEMO_SIMPLE). 417 Otherwise you will always get an empty list of devices. The demo 418 devices are defined in the sandbox device tree, so the easiest 419 option is to use sandbox and pass the -d point to sandbox's 420 u-boot.dtb file. 421 422config CMD_LOADB 423 bool "loadb" 424 default y 425 help 426 Load a binary file over serial line. 427 428config CMD_LOADS 429 bool "loads" 430 default y 431 help 432 Load an S-Record file over serial line 433 434config CMD_FLASH 435 bool "flinfo, erase, protect" 436 default y 437 help 438 NOR flash support. 439 flinfo - print FLASH memory information 440 erase - FLASH memory 441 protect - enable or disable FLASH write protection 442 443config CMD_GPT 444 bool "GPT (GUID Partition Table) command" 445 select PARTITION_UUIDS 446 select EFI_PARTITION 447 help 448 Enable the 'gpt' command to ready and write GPT style partition 449 tables. 450 451config CMD_ARMFLASH 452 #depends on FLASH_CFI_DRIVER 453 bool "armflash" 454 help 455 ARM Ltd reference designs flash partition access 456 457config CMD_MMC 458 bool "mmc" 459 help 460 MMC memory mapped support. 461 462config CMD_NAND 463 bool "nand" 464 default y if NAND_SUNXI 465 help 466 NAND support. 467 468if CMD_NAND 469config CMD_NAND_TRIMFFS 470 bool "nand write.trimffs" 471 default y if ARCH_SUNXI 472 help 473 Allows one to skip empty pages when flashing something on a NAND. 474 475config CMD_NAND_LOCK_UNLOCK 476 bool "nand lock/unlock" 477 help 478 NAND locking support. 479 480config CMD_NAND_TORTURE 481 bool "nand torture" 482 help 483 NAND torture support. 484 485endif # CMD_NAND 486 487config CMD_PART 488 bool "part" 489 select PARTITION_UUIDS 490 help 491 Read and display information about the partition table on 492 various media. 493 494config CMD_SF 495 bool "sf" 496 help 497 SPI Flash support 498 499config CMD_SPI 500 bool "sspi" 501 help 502 SPI utility command. 503 504config CMD_I2C 505 bool "i2c" 506 help 507 I2C support. 508 509config CMD_USB 510 bool "usb" 511 help 512 USB support. 513 514config CMD_DFU 515 bool "dfu" 516 select USB_FUNCTION_DFU 517 help 518 Enables the command "dfu" which is used to have U-Boot create a DFU 519 class device via USB. 520 521config CMD_USB_MASS_STORAGE 522 bool "UMS usb mass storage" 523 help 524 USB mass storage support 525 526config CMD_FPGA 527 bool "fpga" 528 default y 529 help 530 FPGA support. 531 532config CMD_REMOTEPROC 533 bool "remoteproc" 534 depends on REMOTEPROC 535 help 536 Support for Remote Processor control 537 538config CMD_GPIO 539 bool "gpio" 540 help 541 GPIO support. 542 543endmenu 544 545 546menu "Shell scripting commands" 547 548config CMD_ECHO 549 bool "echo" 550 default y 551 help 552 Echo args to console 553 554config CMD_ITEST 555 bool "itest" 556 default y 557 help 558 Return true/false on integer compare. 559 560config CMD_SOURCE 561 bool "source" 562 default y 563 help 564 Run script from memory 565 566config CMD_SETEXPR 567 bool "setexpr" 568 default y 569 help 570 Evaluate boolean and math expressions and store the result in an env 571 variable. 572 Also supports loading the value at a memory location into a variable. 573 If CONFIG_REGEX is enabled, setexpr also supports a gsub function. 574 575endmenu 576 577menu "Network commands" 578 579config CMD_NET 580 bool "bootp, tftpboot" 581 select NET 582 default y 583 help 584 Network commands. 585 bootp - boot image via network using BOOTP/TFTP protocol 586 tftpboot - boot image via network using TFTP protocol 587 588config CMD_TFTPPUT 589 bool "tftp put" 590 help 591 TFTP put command, for uploading files to a server 592 593config CMD_TFTPSRV 594 bool "tftpsrv" 595 help 596 Act as a TFTP server and boot the first received file 597 598config CMD_RARP 599 bool "rarpboot" 600 help 601 Boot image via network using RARP/TFTP protocol 602 603config CMD_DHCP 604 bool "dhcp" 605 help 606 Boot image via network using DHCP/TFTP protocol 607 608config CMD_PXE 609 bool "pxe" 610 select MENU 611 help 612 Boot image via network using PXE protocol 613 614config CMD_NFS 615 bool "nfs" 616 default y 617 help 618 Boot image via network using NFS protocol. 619 620config CMD_MII 621 bool "mii" 622 help 623 Enable MII utility commands. 624 625config CMD_PING 626 bool "ping" 627 help 628 Send ICMP ECHO_REQUEST to network host 629 630config CMD_CDP 631 bool "cdp" 632 help 633 Perform CDP network configuration 634 635config CMD_SNTP 636 bool "sntp" 637 help 638 Synchronize RTC via network 639 640config CMD_DNS 641 bool "dns" 642 help 643 Lookup the IP of a hostname 644 645config CMD_LINK_LOCAL 646 bool "linklocal" 647 help 648 Acquire a network IP address using the link-local protocol 649 650endmenu 651 652menu "Misc commands" 653 654config CMD_BMP 655 bool "Enable 'bmp' command" 656 depends on LCD || DM_VIDEO || VIDEO 657 help 658 This provides a way to obtain information about a BMP-format iamge 659 and to display it. BMP (which presumably stands for BitMaP) is a 660 file format defined by Microsoft which supports images of various 661 depths, formats and compression methods. Headers on the file 662 determine the formats used. This command can be used by first loading 663 the image into RAM, then using this command to look at it or display 664 it. 665 666config CMD_BSP 667 bool "Enable board-specific commands" 668 help 669 (deprecated: instead, please define a Kconfig option for each command) 670 671 Some boards have board-specific commands which are only enabled 672 during developemnt and need to be turned off for production. This 673 option provides a way to control this. The commands that are enabled 674 vary depending on the board. 675 676config CMD_BKOPS_ENABLE 677 bool "mmc bkops enable" 678 depends on CMD_MMC 679 default n 680 help 681 Enable command for setting manual background operations handshake 682 on a eMMC device. The feature is optionally available on eMMC devices 683 conforming to standard >= 4.41. 684 685config CMD_BLOCK_CACHE 686 bool "blkcache - control and stats for block cache" 687 depends on BLOCK_CACHE 688 default y if BLOCK_CACHE 689 help 690 Enable the blkcache command, which can be used to control the 691 operation of the cache functions. 692 This is most useful when fine-tuning the operation of the cache 693 during development, but also allows the cache to be disabled when 694 it might hurt performance (e.g. when using the ums command). 695 696config CMD_CACHE 697 bool "icache or dcache" 698 help 699 Enable the "icache" and "dcache" commands 700 701config CMD_LED 702 bool "led" 703 default y if LED 704 help 705 Enable the 'led' command which allows for control of LEDs supported 706 by the board. The LEDs can be listed with 'led list' and controlled 707 with led on/off/togle/blink. Any LED drivers can be controlled with 708 this command, e.g. led_gpio. 709 710config CMD_TIME 711 bool "time" 712 help 713 Run commands and summarize execution time. 714 715# TODO: rename to CMD_SLEEP 716config CMD_MISC 717 bool "sleep" 718 default y 719 help 720 Delay execution for some time 721 722config CMD_TIMER 723 bool "timer" 724 help 725 Access the system timer. 726 727config CMD_SETGETDCR 728 bool "getdcr, setdcr, getidcr, setidcr" 729 depends on 4xx 730 default y 731 help 732 getdcr - Get an AMCC PPC 4xx DCR's value 733 setdcr - Set an AMCC PPC 4xx DCR's value 734 getidcr - Get a register value via indirect DCR addressing 735 setidcr - Set a register value via indirect DCR addressing 736 737config CMD_SOUND 738 bool "sound" 739 depends on SOUND 740 help 741 This provides basic access to the U-Boot's sound support. The main 742 feature is to play a beep. 743 744 sound init - set up sound system 745 sound play - play a sound 746 747config CMD_QFW 748 bool "qfw" 749 select QFW 750 help 751 This provides access to the QEMU firmware interface. The main 752 feature is to allow easy loading of files passed to qemu-system 753 via -kernel / -initrd 754 755source "cmd/mvebu/Kconfig" 756 757endmenu 758 759config CMD_BOOTSTAGE 760 bool "Enable the 'bootstage' command" 761 depends on BOOTSTAGE 762 help 763 Add a 'bootstage' command which supports printing a report 764 and un/stashing of bootstage data. 765 766menu "Power commands" 767config CMD_PMIC 768 bool "Enable Driver Model PMIC command" 769 depends on DM_PMIC 770 help 771 This is the pmic command, based on a driver model pmic's API. 772 Command features are unchanged: 773 - list - list pmic devices 774 - pmic dev <id> - show or [set] operating pmic device (NEW) 775 - pmic dump - dump registers 776 - pmic read address - read byte of register at address 777 - pmic write address - write byte to register at address 778 The only one change for this command is 'dev' subcommand. 779 780config CMD_REGULATOR 781 bool "Enable Driver Model REGULATOR command" 782 depends on DM_REGULATOR 783 help 784 This command is based on driver model regulator's API. 785 User interface features: 786 - list - list regulator devices 787 - regulator dev <id> - show or [set] operating regulator device 788 - regulator info - print constraints info 789 - regulator status - print operating status 790 - regulator value <val] <-f> - print/[set] voltage value [uV] 791 - regulator current <val> - print/[set] current value [uA] 792 - regulator mode <id> - print/[set] operating mode id 793 - regulator enable - enable the regulator output 794 - regulator disable - disable the regulator output 795 796 The '-f' (force) option can be used for set the value which exceeds 797 the limits, which are found in device-tree and are kept in regulator's 798 uclass platdata structure. 799 800endmenu 801 802menu "Security commands" 803config CMD_AES 804 bool "Enable the 'aes' command" 805 select AES 806 help 807 This provides a means to encrypt and decrypt data using the AES 808 (Advanced Encryption Standard). This algorithm uses a symetric key 809 and is widely used as a streaming cipher. Different key lengths are 810 supported by the algorithm but this command only supports 128 bits 811 at present. 812 813config CMD_BLOB 814 bool "Enable the 'blob' command" 815 help 816 This is used with the Freescale secure boot mechanism. 817 818 Freescale's SEC block has built-in Blob Protocol which provides 819 a method for protecting user-defined data across system power 820 cycles. SEC block protects data in a data structure called a Blob, 821 which provides both confidentiality and integrity protection. 822 823 Encapsulating data as a blob 824 Each time that the Blob Protocol is used to protect data, a 825 different randomly generated key is used to encrypt the data. 826 This random key is itself encrypted using a key which is derived 827 from SoC's non-volatile secret key and a 16 bit Key identifier. 828 The resulting encrypted key along with encrypted data is called a 829 blob. The non-volatile secure key is available for use only during 830 secure boot. 831 832 During decapsulation, the reverse process is performed to get back 833 the original data. 834 835 Sub-commands: 836 blob enc - encapsulating data as a cryptgraphic blob 837 blob dec - decapsulating cryptgraphic blob to get the data 838 839 Syntax: 840 841 blob enc src dst len km 842 843 Encapsulate and create blob of data $len bytes long 844 at address $src and store the result at address $dst. 845 $km is the 16 byte key modifier is also required for 846 generation/use as key for cryptographic operation. Key 847 modifier should be 16 byte long. 848 849 blob dec src dst len km 850 851 Decapsulate the blob of data at address $src and 852 store result of $len byte at addr $dst. 853 $km is the 16 byte key modifier is also required for 854 generation/use as key for cryptographic operation. Key 855 modifier should be 16 byte long. 856 857config CMD_TPM 858 bool "Enable the 'tpm' command" 859 depends on TPM 860 help 861 This provides a means to talk to a TPM from the command line. A wide 862 range of commands if provided - see 'tpm help' for details. The 863 command requires a suitable TPM on your board and the correct driver 864 must be enabled. 865 866config CMD_TPM_TEST 867 bool "Enable the 'tpm test' command" 868 depends on CMD_TPM 869 help 870 This provides a a series of tests to confirm that the TPM is working 871 correctly. The tests cover initialisation, non-volatile RAM, extend, 872 global lock and checking that timing is within expectations. The 873 tests pass correctly on Infineon TPMs but may need to be adjusted 874 for other devices. 875 876endmenu 877 878menu "Firmware commands" 879config CMD_CROS_EC 880 bool "Enable crosec command" 881 depends on CROS_EC 882 default y 883 help 884 Enable command-line access to the Chrome OS EC (Embedded 885 Controller). This provides the 'crosec' command which has 886 a number of sub-commands for performing EC tasks such as 887 updating its flash, accessing a small saved context area 888 and talking to the I2C bus behind the EC (if there is one). 889endmenu 890 891menu "Filesystem commands" 892config CMD_CBFS 893 bool "Enable the 'cbfs' command" 894 depends on FS_CBFS 895 help 896 Define this to enable support for reading from a Coreboot 897 filesystem. This is a ROM-based filesystem used for accessing files 898 on systems that use coreboot as the first boot-loader and then load 899 U-Boot to actually boot the Operating System. Available commands are 900 cbfsinit, cbfsinfo, cbfsls and cbfsload. 901 902config CMD_CRAMFS 903 bool "Enable the 'cramfs' command" 904 depends on FS_CRAMFS 905 help 906 This provides commands for dealing with CRAMFS (Compressed ROM 907 filesystem). CRAMFS is useful when space is tight since files are 908 compressed. Two commands are provided: 909 910 cramfsls - lists files in a cramfs image 911 cramfsload - loads a file from a cramfs image 912 913config CMD_EXT2 914 bool "ext2 command support" 915 help 916 Enables EXT2 FS command 917 918config CMD_EXT4 919 bool "ext4 command support" 920 help 921 Enables EXT4 FS command 922 923config CMD_EXT4_WRITE 924 depends on CMD_EXT4 925 bool "ext4 write command support" 926 help 927 Enables EXT4 FS write command 928 929config CMD_FAT 930 bool "FAT command support" 931 help 932 Support for the FAT fs 933 934config CMD_FS_GENERIC 935 bool "filesystem commands" 936 help 937 Enables filesystem commands (e.g. load, ls) that work for multiple 938 fs types. 939 940config CMD_FS_UUID 941 bool "fsuuid command" 942 help 943 Enables fsuuid command for filesystem UUID. 944 945config CMD_MTDPARTS 946 depends on ARCH_SUNXI 947 bool "MTD partition support" 948 help 949 MTD partition support 950 951config MTDIDS_DEFAULT 952 string "Default MTD IDs" 953 depends on CMD_MTDPARTS 954 help 955 Defines a default MTD ID 956 957config MTDPARTS_DEFAULT 958 string "Default MTD partition scheme" 959 depends on CMD_MTDPARTS 960 help 961 Defines a default MTD partitioning scheme in the Linux MTD command 962 line partitions format 963 964endmenu 965 966menu "Debug commands" 967 968config CMD_BEDBUG 969 bool "bedbug" 970 help 971 The bedbug (emBEDded deBUGger) command provides debugging features 972 for some PowerPC processors. For details please see the 973 docuemntation in doc/README.beddbug 974 975config CMD_DIAG 976 bool "diag - Board diagnostics" 977 help 978 This command provides access to board diagnostic tests. These are 979 called Power-on Self Tests (POST). The command allows listing of 980 available tests and running either all the tests, or specific tests 981 identified by name. 982 983endmenu 984 985config CMD_UBI 986 tristate "Enable UBI - Unsorted block images commands" 987 select CRC32 988 select MTD_UBI 989 default y if NAND_SUNXI 990 help 991 UBI is a software layer above MTD layer which admits use of LVM-like 992 logical volumes on top of MTD devices, hides some complexities of 993 flash chips like wear and bad blocks and provides some other useful 994 capabilities. Please, consult the MTD web site for more details 995 (www.linux-mtd.infradead.org). Activate this option if you want 996 to use U-Boot UBI commands. 997 998config CMD_UBIFS 999 tristate "Enable UBIFS - Unsorted block images filesystem commands" 1000 depends on CMD_UBI 1001 select CRC32 1002 select RBTREE if ARCH_SUNXI 1003 select LZO if ARCH_SUNXI 1004 default y if NAND_SUNXI 1005 help 1006 UBIFS is a file system for flash devices which works on top of UBI. 1007 1008endmenu 1009