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