common/Kconfig

   1 menu "Command line interface"
   2
   3 config HUSH_PARSER
   4         bool "Use hush shell"
   5         select SYS_HUSH_PARSER
   6         help
   7           This option enables the "hush" shell (from Busybox) as command line
   8           interpreter, thus enabling powerful command line syntax like
   9           if...then...else...fi conditionals or `&&' and '||'
  10           constructs ("shell scripts").
  11
  12           If disabled, you get the old, much simpler behaviour with a somewhat
  13           smaller memory footprint.
  14
  15 config SYS_HUSH_PARSER
  16         bool
  17         help
  18           Backward compatibility.
  19
  20 config SYS_PROMPT
  21         string "Shell prompt"
  22         default "=> "
  23         help
  24           This string is displayed in the command line to the left of the
  25           cursor.
  26
  27 menu "Autoboot options"
  28
  29 config AUTOBOOT_KEYED
  30         bool "Stop autobooting via specific input key / string"
  31         default n
  32         help
  33           This option enables stopping (aborting) of the automatic
  34           boot feature only by issuing a specific input key or
  35           string. If not enabled, any input key will abort the
  36           U-Boot automatic booting process and bring the device
  37           to the U-Boot prompt for user input.
  38
  39 config AUTOBOOT_PROMPT
  40         string "Autoboot stop prompt"
  41         depends on AUTOBOOT_KEYED
  42         default "Autoboot in %d seconds\\n"
  43         help
  44           This string is displayed before the boot delay selected by
  45           CONFIG_BOOTDELAY starts. If it is not defined there is no
  46           output indicating that autoboot is in progress.
  47
  48           Note that this define is used as the (only) argument to a
  49           printf() call, so it may contain '%' format specifications,
  50           provided that it also includes, sepearated by commas exactly
  51           like in a printf statement, the required arguments. It is
  52           the responsibility of the user to select only such arguments
  53           that are valid in the given context.
  54
  55 config AUTOBOOT_ENCRYPTION
  56         bool "Enable encryption in autoboot stopping"
  57         depends on AUTOBOOT_KEYED
  58         default n
  59
  60 config AUTOBOOT_DELAY_STR
  61         string "Delay autobooting via specific input key / string"
  62         depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION
  63         help
  64           This option delays the automatic boot feature by issuing
  65           a specific input key or string. If CONFIG_AUTOBOOT_DELAY_STR
  66           or the environment variable "bootdelaykey" is specified
  67           and this string is received from console input before
  68           autoboot starts booting, U-Boot gives a command prompt. The
  69           U-Boot prompt will time out if CONFIG_BOOT_RETRY_TIME is
  70           used, otherwise it never times out.
  71
  72 config AUTOBOOT_STOP_STR
  73         string "Stop autobooting via specific input key / string"
  74         depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION
  75         help
  76           This option enables stopping (aborting) of the automatic
  77           boot feature only by issuing a specific input key or
  78           string. If CONFIG_AUTOBOOT_STOP_STR or the environment
  79           variable "bootstopkey" is specified and this string is
  80           received from console input before autoboot starts booting,
  81           U-Boot gives a command prompt. The U-Boot prompt never
  82           times out, even if CONFIG_BOOT_RETRY_TIME is used.
  83
  84 config AUTOBOOT_KEYED_CTRLC
  85         bool "Enable Ctrl-C autoboot interruption"
  86         depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION
  87         default n
  88         help
  89           This option allows for the boot sequence to be interrupted
  90           by ctrl-c, in addition to the "bootdelaykey" and "bootstopkey".
  91           Setting this variable provides an escape sequence from the
  92           limited "password" strings.
  93
  94 config AUTOBOOT_STOP_STR_SHA256
  95         string "Stop autobooting via SHA256 encrypted password"
  96         depends on AUTOBOOT_KEYED && AUTOBOOT_ENCRYPTION
  97         help
  98           This option adds the feature to only stop the autobooting,
  99           and therefore boot into the U-Boot prompt, when the input
 100           string / password matches a values that is encypted via
 101           a SHA256 hash and saved in the environment.
 102
 103 endmenu
 104
 105 comment "Commands"
 106
 107 menu "Info commands"
 108
 109 config CMD_BDI
 110         bool "bdinfo"
 111         default y
 112         help
 113           Print board info
 114
 115 config CMD_CONSOLE
 116         bool "coninfo"
 117         default y
 118         help
 119           Print console devices and information.
 120
 121 config CMD_CPU
 122         bool "cpu"
 123         help
 124           Print information about available CPUs. This normally shows the
 125           number of CPUs, type (e.g. manufacturer, architecture, product or
 126           internal name) and clock frequency. Other information may be
 127           available depending on the CPU driver.
 128
 129 config CMD_LICENSE
 130         bool "license"
 131         help
 132           Print GPL license text
 133
 134 endmenu
 135
 136 menu "Boot commands"
 137
 138 config CMD_BOOTD
 139         bool "bootd"
 140         default y
 141         help
 142           Run the command stored in the environment "bootcmd", i.e.
 143           "bootd" does the same thing as "run bootcmd".
 144
 145 config CMD_BOOTM
 146         bool "bootm"
 147         default y
 148         help
 149           Boot an application image from the memory.
 150
 151 config CMD_ELF
 152         bool "bootelf, bootvx"
 153         default y
 154         help
 155           Boot an ELF/vxWorks image from the memory.
 156
 157 config CMD_GO
 158         bool "go"
 159         default y
 160         help
 161           Start an application at a given address.
 162
 163 config CMD_RUN
 164         bool "run"
 165         default y
 166         help
 167           Run the command in the given environment variable.
 168
 169 config CMD_IMI
 170         bool "iminfo"
 171         default y
 172         help
 173           Print header information for application image.
 174
 175 config CMD_IMLS
 176         bool "imls"
 177         default y
 178         help
 179           List all images found in flash
 180
 181 config CMD_XIMG
 182         bool "imxtract"
 183         default y
 184         help
 185           Extract a part of a multi-image.
 186
 187 endmenu
 188
 189 menu "Environment commands"
 190
 191 config CMD_EXPORTENV
 192         bool "env export"
 193         default y
 194         help
 195           Export environments.
 196
 197 config CMD_IMPORTENV
 198         bool "env import"
 199         default y
 200         help
 201           Import environments.
 202
 203 config CMD_EDITENV
 204         bool "editenv"
 205         default y
 206         help
 207           Edit environment variable.
 208
 209 config CMD_SAVEENV
 210         bool "saveenv"
 211         default y
 212         help
 213           Save all environment variables into the compiled-in persistent
 214           storage.
 215
 216 config CMD_ENV_EXISTS
 217         bool "env exists"
 218         default y
 219         help
 220           Check if a variable is defined in the environment for use in
 221           shell scripting.
 222
 223 endmenu
 224
 225 menu "Memory commands"
 226
 227 config CMD_MEMORY
 228         bool "md, mm, nm, mw, cp, cmp, base, loop"
 229         default y
 230         help
 231           Memeory commands.
 232             md - memory display
 233             mm - memory modify (auto-incrementing address)
 234             nm - memory modify (constant address)
 235             mw - memory write (fill)
 236             cp - memory copy
 237             cmp - memory compare
 238             base - print or set address offset
 239             loop - initinite loop on address range
 240
 241 config CMD_CRC32
 242         bool "crc32"
 243         default y
 244         help
 245           Compute CRC32.
 246
 247 config LOOPW
 248         bool "loopw"
 249         help
 250           Infinite write loop on address range
 251
 252 config CMD_MEMTEST
 253         bool "memtest"
 254         help
 255           Simple RAM read/write test.
 256
 257 config CMD_MX_CYCLIC
 258         bool "mdc, mwc"
 259         help
 260           mdc - memory display cyclic
 261           mwc - memory write cyclic
 262
 263 config CMD_MEMINFO
 264         bool "meminfo"
 265         help
 266           Display memory information.
 267
 268 endmenu
 269
 270 menu "Device access commands"
 271
 272 config CMD_DM
 273         bool "dm - Access to driver model information"
 274         depends on DM
 275         default y
 276         help
 277           Provides access to driver model data structures and information,
 278           such as a list of devices, list of uclasses and the state of each
 279           device (e.g. activated). This is not required for operation, but
 280           can be useful to see the state of driver model for debugging or
 281           interest.
 282
 283 config CMD_DEMO
 284         bool "demo - Demonstration commands for driver model"
 285         depends on DM
 286         help
 287           Provides a 'demo' command which can be used to play around with
 288           driver model. To use this properly you will need to enable one or
 289           both of the demo devices (DM_DEMO_SHAPE and DM_DEMO_SIMPLE).
 290           Otherwise you will always get an empty list of devices. The demo
 291           devices are defined in the sandbox device tree, so the easiest
 292           option is to use sandbox and pass the -d point to sandbox's
 293           u-boot.dtb file.
 294
 295 config CMD_LOADB
 296         bool "loadb"
 297         default y
 298         help
 299           Load a binary file over serial line.
 300
 301 config CMD_LOADS
 302         bool "loads"
 303         default y
 304         help
 305           Load an S-Record file over serial line
 306
 307 config CMD_FLASH
 308         bool "flinfo, erase, protect"
 309         default y
 310         help
 311           NOR flash support.
 312             flinfo - print FLASH memory information
 313             erase - FLASH memory
 314             protect - enable or disable FLASH write protection
 315
 316 config CMD_ARMFLASH
 317         depends on FLASH_CFI_DRIVER
 318         bool "armflash"
 319         help
 320           ARM Ltd reference designs flash partition access
 321
 322 config CMD_NAND
 323         bool "nand"
 324         help
 325           NAND support.
 326
 327 config CMD_SF
 328         bool "sf"
 329         help
 330           SPI Flash support
 331
 332 config CMD_SPI
 333         bool "sspi"
 334         help
 335           SPI utility command.
 336
 337 config CMD_I2C
 338         bool "i2c"
 339         help
 340           I2C support.
 341
 342 config CMD_USB
 343         bool "usb"
 344         help
 345           USB support.
 346
 347 config CMD_FPGA
 348         bool "fpga"
 349         default y
 350         help
 351           FPGA support.
 352
 353 config CMD_REMOTEPROC
 354         bool "remoteproc"
 355         depends on REMOTEPROC
 356         help
 357           Support for Remote Processor control
 358
 359 config CMD_GPIO
 360         bool "gpio"
 361         help
 362           GPIO support.
 363
 364 endmenu
 365
 366
 367 menu "Shell scripting commands"
 368
 369 config CMD_ECHO
 370         bool "echo"
 371         default y
 372         help
 373           Echo args to console
 374
 375 config CMD_ITEST
 376         bool "itest"
 377         default y
 378         help
 379           Return true/false on integer compare.
 380
 381 config CMD_SOURCE
 382         bool "source"
 383         default y
 384         help
 385           Run script from memory
 386
 387 config CMD_SETEXPR
 388         bool "setexpr"
 389         default y
 390         help
 391           Evaluate boolean and math expressions and store the result in an env
 392             variable.
 393           Also supports loading the value at a memory location into a variable.
 394           If CONFIG_REGEX is enabled, setexpr also supports a gsub function.
 395
 396 endmenu
 397
 398 menu "Network commands"
 399
 400 config CMD_NET
 401         bool "bootp, tftpboot"
 402         select NET
 403         default y
 404         help
 405           Network commands.
 406           bootp - boot image via network using BOOTP/TFTP protocol
 407           tftpboot - boot image via network using TFTP protocol
 408
 409 config CMD_TFTPPUT
 410         bool "tftp put"
 411         help
 412           TFTP put command, for uploading files to a server
 413
 414 config CMD_TFTPSRV
 415         bool "tftpsrv"
 416         help
 417           Act as a TFTP server and boot the first received file
 418
 419 config CMD_RARP
 420         bool "rarpboot"
 421         help
 422           Boot image via network using RARP/TFTP protocol
 423
 424 config CMD_DHCP
 425         bool "dhcp"
 426         help
 427           Boot image via network using DHCP/TFTP protocol
 428
 429 config CMD_NFS
 430         bool "nfs"
 431         default y
 432         help
 433           Boot image via network using NFS protocol.
 434
 435 config CMD_PING
 436         bool "ping"
 437         help
 438           Send ICMP ECHO_REQUEST to network host
 439
 440 config CMD_CDP
 441         bool "cdp"
 442         help
 443           Perform CDP network configuration
 444
 445 config CMD_SNTP
 446         bool "sntp"
 447         help
 448           Synchronize RTC via network
 449
 450 config CMD_DNS
 451         bool "dns"
 452         help
 453           Lookup the IP of a hostname
 454
 455 config CMD_LINK_LOCAL
 456         bool "linklocal"
 457         help
 458           Acquire a network IP address using the link-local protocol
 459
 460 endmenu
 461
 462 menu "Misc commands"
 463
 464 config CMD_AMBAPP
 465         bool "ambapp"
 466         depends on LEON3
 467         default y
 468         help
 469           Lists AMBA Plug-n-Play information.
 470
 471 config SYS_AMBAPP_PRINT_ON_STARTUP
 472         bool "Show AMBA PnP info on startup"
 473         depends on CMD_AMBAPP
 474         default n
 475         help
 476           Show AMBA Plug-n-Play information on startup.
 477
 478 config CMD_TIME
 479         bool "time"
 480         help
 481           Run commands and summarize execution time.
 482
 483 # TODO: rename to CMD_SLEEP
 484 config CMD_MISC
 485         bool "sleep"
 486         default y
 487         help
 488           Delay execution for some time
 489
 490 config CMD_TIMER
 491         bool "timer"
 492         help
 493           Access the system timer.
 494
 495 config CMD_SETGETDCR
 496         bool "getdcr, setdcr, getidcr, setidcr"
 497         depends on 4xx
 498         default y
 499         help
 500           getdcr - Get an AMCC PPC 4xx DCR's value
 501           setdcr - Set an AMCC PPC 4xx DCR's value
 502           getidcr - Get a register value via indirect DCR addressing
 503           setidcr - Set a register value via indirect DCR addressing
 504
 505 config CMD_SOUND
 506         bool "sound"
 507         depends on SOUND
 508         help
 509           This provides basic access to the U-Boot's sound support. The main
 510           feature is to play a beep.
 511
 512              sound init   - set up sound system
 513              sound play   - play a sound
 514
 515 endmenu
 516
 517 menu "Boot timing"
 518
 519 config BOOTSTAGE
 520         bool "Boot timing and reporting"
 521         help
 522           Enable recording of boot time while booting. To use it, insert
 523           calls to bootstage_mark() with a suitable BOOTSTAGE_ID from
 524           bootstage.h. Only a single entry is recorded for each ID. You can
 525           give the entry a name with bootstage_mark_name(). You can also
 526           record elapsed time in a particular stage using bootstage_start()
 527           before starting and bootstage_accum() when finished. Bootstage will
 528           add up all the accumated time and report it.
 529
 530           Normally, IDs are defined in bootstage.h but a small number of
 531           additional 'user' IDs can be used but passing BOOTSTAGE_ID_ALLOC
 532           as the ID.
 533
 534           Calls to show_boot_progress() wil also result in log entries but
 535           these will not have names.
 536
 537 config BOOTSTAGE_REPORT
 538         bool "Display a detailed boot timing report before booting the OS"
 539         depends on BOOTSTAGE
 540         help
 541           Enable output of a boot time report just before the OS is booted.
 542           This shows how long it took U-Boot to go through each stage of the
 543           boot process. The report looks something like this:
 544
 545                 Timer summary in microseconds:
 546                        Mark    Elapsed  Stage
 547                           0          0  reset
 548                   3,575,678  3,575,678  board_init_f start
 549                   3,575,695         17  arch_cpu_init A9
 550                   3,575,777         82  arch_cpu_init done
 551                   3,659,598     83,821  board_init_r start
 552                   3,910,375    250,777  main_loop
 553                  29,916,167 26,005,792  bootm_start
 554                  30,361,327    445,160  start_kernel
 555
 556 config BOOTSTAGE_USER_COUNT
 557         hex "Number of boot ID numbers available for user use"
 558         default 20
 559         help
 560           This is the number of available user bootstage records.
 561           Each time you call bootstage_mark(BOOTSTAGE_ID_ALLOC, ...)
 562           a new ID will be allocated from this stash. If you exceed
 563           the limit, recording will stop.
 564
 565 config CMD_BOOTSTAGE
 566         bool "Enable the 'bootstage' command"
 567         depends on BOOTSTAGE
 568         help
 569           Add a 'bootstage' command which supports printing a report
 570           and un/stashing of bootstage data.
 571
 572 config BOOTSTAGE_FDT
 573         bool "Store boot timing information in the OS device tree"
 574         depends on BOOTSTAGE
 575         help
 576           Stash the bootstage information in the FDT. A root 'bootstage'
 577           node is created with each bootstage id as a child. Each child
 578           has a 'name' property and either 'mark' containing the
 579           mark time in microsecond, or 'accum' containing the
 580           accumulated time for that bootstage id in microseconds.
 581           For example:
 582
 583                 bootstage {
 584                         154 {
 585                                 name = "board_init_f";
 586                                 mark = <3575678>;
 587                         };
 588                         170 {
 589                                 name = "lcd";
 590                                 accum = <33482>;
 591                         };
 592                 };
 593
 594           Code in the Linux kernel can find this in /proc/devicetree.
 595
 596 config BOOTSTAGE_STASH
 597         bool "Stash the boot timing information in memory before booting OS"
 598         depends on BOOTSTAGE
 599         help
 600           Some OSes do not support device tree. Bootstage can instead write
 601           the boot timing information in a binary format at a given address.
 602           This happens through a call to bootstage_stash(), typically in
 603           the CPU's cleanup_before_linux() function. You can use the
 604           'bootstage stash' and 'bootstage unstash' commands to do this on
 605           the command line.
 606
 607 config BOOTSTAGE_STASH_ADDR
 608         hex "Address to stash boot timing information"
 609         default 0
 610         help
 611           Provide an address which will not be overwritten by the OS when it
 612           starts, so that it can read this information when ready.
 613
 614 config BOOTSTAGE_STASH_SIZE
 615         hex "Size of boot timing stash region"
 616         default 4096
 617         help
 618           This should be large enough to hold the bootstage stash. A value of
 619           4096 (4KiB) is normally plenty.
 620
 621 endmenu
 622
 623 menu "Power commands"
 624 config CMD_PMIC
 625         bool "Enable Driver Model PMIC command"
 626         depends on DM_PMIC
 627         help
 628           This is the pmic command, based on a driver model pmic's API.
 629           Command features are unchanged:
 630           - list               - list pmic devices
 631           - pmic dev <id>      - show or [set] operating pmic device (NEW)
 632           - pmic dump          - dump registers
 633           - pmic read address  - read byte of register at address
 634           - pmic write address - write byte to register at address
 635           The only one change for this command is 'dev' subcommand.
 636
 637 config CMD_REGULATOR
 638         bool "Enable Driver Model REGULATOR command"
 639         depends on DM_REGULATOR
 640         help
 641           This command is based on driver model regulator's API.
 642           User interface features:
 643           - list               - list regulator devices
 644           - regulator dev <id> - show or [set] operating regulator device
 645           - regulator info     - print constraints info
 646           - regulator status   - print operating status
 647           - regulator value <val] <-f> - print/[set] voltage value [uV]
 648           - regulator current <val>    - print/[set] current value [uA]
 649           - regulator mode <id>        - print/[set] operating mode id
 650           - regulator enable           - enable the regulator output
 651           - regulator disable          - disable the regulator output
 652
 653           The '-f' (force) option can be used for set the value which exceeds
 654           the limits, which are found in device-tree and are kept in regulator's
 655           uclass platdata structure.
 656
 657 endmenu
 658
 659 menu "Security commands"
 660 config CMD_TPM
 661         bool "Enable the 'tpm' command"
 662         depends on TPM
 663         help
 664           This provides a means to talk to a TPM from the command line. A wide
 665           range of commands if provided - see 'tpm help' for details. The
 666           command requires a suitable TPM on your board and the correct driver
 667           must be enabled.
 668
 669 config CMD_TPM_TEST
 670         bool "Enable the 'tpm test' command"
 671         depends on CMD_TPM
 672         help
 673           This provides a a series of tests to confirm that the TPM is working
 674           correctly. The tests cover initialisation, non-volatile RAM, extend,
 675           global lock and checking that timing is within expectations. The
 676           tests pass correctly on Infineon TPMs but may need to be adjusted
 677           for other devices.
 678
 679 endmenu
 680
 681 endmenu