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Simon Glass72a8cf82016-01-17 20:53:51 -07001menu "Command line interface"
2
Simon Glass302a6482016-03-13 19:07:28 -06003config 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
Simon Glass72a8cf82016-01-17 20:53:51 -070014config HUSH_PARSER
15 bool "Use hush shell"
Simon Glass302a6482016-03-13 19:07:28 -060016 depends on CMDLINE
Simon Glass72a8cf82016-01-17 20:53:51 -070017 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
Simon Glass72a8cf82016-01-17 20:53:51 -070026config 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
Masahiro Yamada41598c82016-06-20 17:33:39 +090035config AUTOBOOT
36 bool "Autoboot"
37 default y
38 help
39 This enables the autoboot. See doc/README.autoboot for detail.
40
Simon Glass72a8cf82016-01-17 20:53:51 -070041config 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
Steve Raee016f0b2016-08-15 17:26:26 -0700117source "cmd/fastboot/Kconfig"
118
Simon Glass72a8cf82016-01-17 20:53:51 -0700119comment "Commands"
120
121menu "Info commands"
122
123config CMD_BDI
124 bool "bdinfo"
125 default y
126 help
127 Print board info
128
Masahiro Yamada61304db2017-01-30 11:12:07 +0900129config 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
Simon Glass72a8cf82016-01-17 20:53:51 -0700141config 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"
Masahiro Yamadad726f222017-01-30 11:12:08 +0900157 select BUILD_BIN2C
Simon Glass72a8cf82016-01-17 20:53:51 -0700158 help
159 Print GPL license text
160
Christophe Leroyfa379222017-08-04 16:34:40 -0600161config CMD_REGINFO
162 bool "reginfo"
163 depends on PPC
164 help
165 Register dump
166
Simon Glass72a8cf82016-01-17 20:53:51 -0700167endmenu
168
169menu "Boot commands"
170
171config CMD_BOOTD
172 bool "bootd"
173 default y
174 help
175 Run the command stored in the environment "bootcmd", i.e.
176 "bootd" does the same thing as "run bootcmd".
177
178config CMD_BOOTM
179 bool "bootm"
180 default y
181 help
182 Boot an application image from the memory.
183
Dinh Nguyenab8243e2016-04-21 09:05:23 -0500184config CMD_BOOTZ
185 bool "bootz"
186 help
187 Boot the Linux zImage
188
Masahiro Yamada26959272016-08-12 08:31:16 -0400189config CMD_BOOTI
190 bool "booti"
191 depends on ARM64
192 default y
193 help
194 Boot an AArch64 Linux Kernel image from memory.
195
Alexander Grafb9939332016-03-10 00:27:20 +0100196config CMD_BOOTEFI
197 bool "bootefi"
198 depends on EFI_LOADER
199 default y
200 help
201 Boot an EFI image from memory.
202
Alexander Graf95b62b22016-11-17 22:40:10 +0100203config CMD_BOOTEFI_HELLO_COMPILE
204 bool "Compile a standard EFI hello world binary for testing"
205 depends on CMD_BOOTEFI && (ARM || X86)
206 default y
207 help
208 This compiles a standard EFI hello world application with U-Boot so
209 that it can be used with the test/py testing framework. This is useful
210 for testing that EFI is working at a basic level, and for bringing
211 up EFI support on a new architecture.
212
213 No additional space will be required in the resulting U-Boot binary
214 when this option is enabled.
215
Simon Glassc7ae3df2016-11-07 08:47:08 -0700216config CMD_BOOTEFI_HELLO
217 bool "Allow booting a standard EFI hello world for testing"
Alexander Graf95b62b22016-11-17 22:40:10 +0100218 depends on CMD_BOOTEFI_HELLO_COMPILE
Simon Glassc7ae3df2016-11-07 08:47:08 -0700219 help
220 This adds a standard EFI hello world application to U-Boot so that
221 it can be used with the 'bootefi hello' command. This is useful
222 for testing that EFI is working at a basic level, and for bringing
223 up EFI support on a new architecture.
224
Tom Rini4880b022016-11-29 09:14:56 -0500225config CMD_BOOTMENU
226 bool "bootmenu"
227 select MENU
228 help
229 Add an ANSI terminal boot menu command.
230
Simon Glass72a8cf82016-01-17 20:53:51 -0700231config CMD_ELF
232 bool "bootelf, bootvx"
233 default y
234 help
235 Boot an ELF/vxWorks image from the memory.
236
Michal Simek23922e22016-04-06 20:28:04 +0200237config CMD_FDT
238 bool "Flattened Device Tree utility commands"
239 default y
240 depends on OF_LIBFDT
241 help
242 Do FDT related setup before booting into the Operating System.
243
Simon Glass72a8cf82016-01-17 20:53:51 -0700244config CMD_GO
245 bool "go"
246 default y
247 help
248 Start an application at a given address.
249
250config CMD_RUN
251 bool "run"
252 default y
253 help
254 Run the command in the given environment variable.
255
256config CMD_IMI
257 bool "iminfo"
258 default y
259 help
260 Print header information for application image.
261
262config CMD_IMLS
263 bool "imls"
264 default y
265 help
266 List all images found in flash
267
268config CMD_XIMG
269 bool "imxtract"
270 default y
271 help
272 Extract a part of a multi-image.
273
274config CMD_POWEROFF
Michal Simeke05d5052017-06-05 08:28:17 +0200275 bool "poweroff"
276 help
277 Poweroff/Shutdown the system
Simon Glass72a8cf82016-01-17 20:53:51 -0700278
279endmenu
280
281menu "Environment commands"
282
Dinh Nguyenab8243e2016-04-21 09:05:23 -0500283config CMD_ASKENV
284 bool "ask for env variable"
285 help
286 Ask for environment variable
287
Simon Glass72a8cf82016-01-17 20:53:51 -0700288config CMD_EXPORTENV
289 bool "env export"
290 default y
291 help
292 Export environments.
293
294config CMD_IMPORTENV
295 bool "env import"
296 default y
297 help
298 Import environments.
299
300config CMD_EDITENV
301 bool "editenv"
302 default y
303 help
304 Edit environment variable.
305
Dinh Nguyenab8243e2016-04-21 09:05:23 -0500306config CMD_GREPENV
307 bool "search env"
308 help
309 Allow for searching environment variables
310
Simon Glass72a8cf82016-01-17 20:53:51 -0700311config CMD_SAVEENV
312 bool "saveenv"
313 default y
314 help
315 Save all environment variables into the compiled-in persistent
316 storage.
317
318config CMD_ENV_EXISTS
319 bool "env exists"
320 default y
321 help
322 Check if a variable is defined in the environment for use in
323 shell scripting.
324
Simon Glassa55d29d2017-05-17 03:25:13 -0600325config CMD_ENV_CALLBACK
326 bool "env callbacks - print callbacks and their associated variables"
327 help
328 Some environment variable have callbacks defined by
329 U_BOOT_ENV_CALLBACK. These are called when the variable changes.
330 For example changing "baudrate" adjust the serial baud rate. This
331 command lists the currently defined callbacks.
332
Simon Glassffc76582017-05-17 03:25:14 -0600333config CMD_ENV_FLAGS
334 bool "env flags -print variables that have non-default flags"
335 help
336 Some environment variables have special flags that control their
337 behaviour. For example, serial# can only be written once and cannot
338 be deleted. This command shows the variables that have special
339 flags.
340
Simon Glass72a8cf82016-01-17 20:53:51 -0700341endmenu
342
343menu "Memory commands"
344
345config CMD_MEMORY
346 bool "md, mm, nm, mw, cp, cmp, base, loop"
347 default y
348 help
Fabio Estevamc99d1b32016-12-15 20:02:19 -0200349 Memory commands.
Simon Glass72a8cf82016-01-17 20:53:51 -0700350 md - memory display
351 mm - memory modify (auto-incrementing address)
352 nm - memory modify (constant address)
353 mw - memory write (fill)
354 cp - memory copy
355 cmp - memory compare
356 base - print or set address offset
Fabio Estevamc99d1b32016-12-15 20:02:19 -0200357 loop - initialize loop on address range
Simon Glass72a8cf82016-01-17 20:53:51 -0700358
359config CMD_CRC32
360 bool "crc32"
Simon Glassd70f9192017-05-17 09:05:34 -0600361 select HASH
Simon Glass72a8cf82016-01-17 20:53:51 -0700362 default y
363 help
364 Compute CRC32.
365
Daniel Thompson221a9492017-05-19 17:26:58 +0100366config CRC32_VERIFY
367 bool "crc32 -v"
368 depends on CMD_CRC32
369 help
370 Add -v option to verify data against a crc32 checksum.
371
Simon Glassa1dc9802017-05-17 03:25:10 -0600372config CMD_EEPROM
373 bool "eeprom - EEPROM subsystem"
374 help
375 (deprecated, needs conversion to driver model)
376 Provides commands to read and write EEPROM (Electrically Erasable
377 Programmable Read Only Memory) chips that are connected over an
378 I2C bus.
379
380config CMD_EEPROM_LAYOUT
381 bool "Enable layout-aware eeprom commands"
382 depends on CMD_EEPROM
383 help
384 (deprecated, needs conversion to driver model)
385 When enabled, additional eeprom sub-commands become available.
386
387 eeprom print - prints the contents of the eeprom in a human-readable
388 way (eeprom layout fields, and data formatted to be fit for human
389 consumption).
390
391 eeprom update - allows user to update eeprom fields by specifying
392 the field name, and providing the new data in a human readable format
393 (same format as displayed by the eeprom print command).
394
395 Both commands can either auto detect the layout, or be told which
396 layout to use.
397
398 Feature API:
399 __weak int parse_layout_version(char *str)
400 - override to provide your own layout name parsing
401 __weak void __eeprom_layout_assign(struct eeprom_layout *layout,
402 int layout_version);
403 - override to setup the layout metadata based on the version
404 __weak int eeprom_layout_detect(unsigned char *data)
405 - override to provide your own algorithm for detecting layout
406 version
407 eeprom_field.c
408 - contains various printing and updating functions for common
409 types of eeprom fields. Can be used for defining
410 custom layouts.
411
412config EEPROM_LAYOUT_HELP_STRING
413 string "Tells user what layout names are supported"
414 depends on CMD_EEPROM_LAYOUT
415 default "<not defined>"
416 help
417 Help printed with the LAYOUT VERSIONS part of the 'eeprom'
418 command's help.
419
Andre Przywarabea79d72017-03-15 01:19:05 +0000420config CMD_MD5SUM
421 bool "md5sum"
422 default n
423 select MD5
424 help
425 Compute MD5 checksum.
426
Daniel Thompson221a9492017-05-19 17:26:58 +0100427config MD5SUM_VERIFY
Andre Przywarabea79d72017-03-15 01:19:05 +0000428 bool "md5sum -v"
429 default n
430 depends on CMD_MD5SUM
431 help
432 Add -v option to verify data against an MD5 checksum.
433
Daniel Thompson221a9492017-05-19 17:26:58 +0100434config CMD_SHA1SUM
435 bool "sha1sum"
436 select SHA1
437 help
438 Compute SHA1 checksum.
439
440config SHA1SUM_VERIFY
441 bool "sha1sum -v"
442 depends on CMD_SHA1SUM
443 help
444 Add -v option to verify data against a SHA1 checksum.
445
Simon Glass72a8cf82016-01-17 20:53:51 -0700446config LOOPW
447 bool "loopw"
448 help
449 Infinite write loop on address range
450
451config CMD_MEMTEST
452 bool "memtest"
453 help
454 Simple RAM read/write test.
455
456config CMD_MX_CYCLIC
457 bool "mdc, mwc"
458 help
459 mdc - memory display cyclic
460 mwc - memory write cyclic
461
462config CMD_MEMINFO
463 bool "meminfo"
464 help
465 Display memory information.
466
Simon Glassee7c0e72017-05-17 03:25:43 -0600467endmenu
468
469menu "Compression commands"
470
471config CMD_LZMADEC
472 bool "lzmadec"
473 select LZMA
474 help
475 Support decompressing an LZMA (Lempel-Ziv-Markov chain algorithm)
476 image from memory.
477
Masahiro Yamadae9d33e72017-02-05 10:42:56 +0900478config CMD_UNZIP
479 bool "unzip"
480 help
481 Uncompress a zip-compressed memory region.
482
483config CMD_ZIP
484 bool "zip"
485 help
486 Compress a memory region with zlib deflate method.
487
Simon Glass72a8cf82016-01-17 20:53:51 -0700488endmenu
489
490menu "Device access commands"
491
Simon Glass0c19b4d2017-08-04 16:34:28 -0600492config CMD_ARMFLASH
493 #depends on FLASH_CFI_DRIVER
494 bool "armflash"
495 help
496 ARM Ltd reference designs flash partition access
497
Simon Glassd3156282017-04-26 22:28:02 -0600498config CMD_CLK
499 bool "clk - Show clock frequencies"
500 help
501 (deprecated)
502 Shows clock frequences by calling a sock_clk_dump() hook function.
503 This is depreated in favour of using the CLK uclass and accessing
504 clock values from associated drivers. However currently no command
505 exists for this.
506
Simon Glass72a8cf82016-01-17 20:53:51 -0700507config CMD_DEMO
508 bool "demo - Demonstration commands for driver model"
509 depends on DM
510 help
511 Provides a 'demo' command which can be used to play around with
512 driver model. To use this properly you will need to enable one or
513 both of the demo devices (DM_DEMO_SHAPE and DM_DEMO_SIMPLE).
514 Otherwise you will always get an empty list of devices. The demo
515 devices are defined in the sandbox device tree, so the easiest
516 option is to use sandbox and pass the -d point to sandbox's
517 u-boot.dtb file.
518
Simon Glass0c19b4d2017-08-04 16:34:28 -0600519config CMD_DFU
520 bool "dfu"
521 select USB_FUNCTION_DFU
522 help
523 Enables the command "dfu" which is used to have U-Boot create a DFU
524 class device via USB.
525
526config CMD_DM
527 bool "dm - Access to driver model information"
528 depends on DM
529 default y
530 help
531 Provides access to driver model data structures and information,
532 such as a list of devices, list of uclasses and the state of each
533 device (e.g. activated). This is not required for operation, but
534 can be useful to see the state of driver model for debugging or
535 interest.
536
537config CMD_FDC
538 bool "fdcboot - Boot from floppy device"
539 help
540 The 'fdtboot' command allows booting an image from a floppy disk.
541
542config CMD_FLASH
543 bool "flinfo, erase, protect"
544 default y
545 help
546 NOR flash support.
547 flinfo - print FLASH memory information
548 erase - FLASH memory
549 protect - enable or disable FLASH write protection
550
551config CMD_FPGA
552 bool "fpga"
553 default y
554 help
555 FPGA support.
556
557config CMD_FPGA_LOADBP
558 bool "fpga loadbp - load partial bitstream (Xilinx only)"
559 depends on CMD_FPGA
560 help
561 Supports loading an FPGA device from a bitstream buffer containing
562 a partial bitstream.
563
564config CMD_FPGA_LOADFS
565 bool "fpga loadfs - load bitstream from FAT filesystem (Xilinx only)"
566 depends on CMD_FPGA
567 help
568 Supports loading an FPGA device from a FAT filesystem.
569
570config CMD_FPGA_LOADMK
571 bool "fpga loadmk - load bitstream from image"
572 depends on CMD_FPGA
573 help
574 Supports loading an FPGA device from a image generated by mkimage.
575
576config CMD_FPGA_LOADP
577 bool "fpga loadp - load partial bitstream"
578 depends on CMD_FPGA
579 help
580 Supports loading an FPGA device from a bitstream buffer containing
581 a partial bitstream.
582
583config CMD_FPGAD
584 bool "fpgad - dump FPGA registers"
585 help
586 (legacy, needs conversion to driver model)
587 Provides a way to dump FPGA registers by calling the board-specific
588 fpga_get_reg() function. This functions similarly to the 'md'
589 command.
590
591config CMD_FUSE
592 bool "fuse - support for the fuse subssystem"
593 help
594 (deprecated - needs conversion to driver model)
595 This allows reading, sensing, programming or overriding fuses
596 which control the behaviour of the device. The command uses the
597 fuse_...() API.
598
599config CMD_GPIO
600 bool "gpio"
601 help
602 GPIO support.
603
604config CMD_GPT
605 bool "GPT (GUID Partition Table) command"
606 select PARTITION_UUIDS
607 select EFI_PARTITION
608 help
609 Enable the 'gpt' command to ready and write GPT style partition
610 tables.
611
612config CMD_GPT_RENAME
613 bool "GPT partition renaming commands"
614 depends on CMD_GPT
615 help
616 Enables the 'gpt' command to interchange names on two GPT
617 partitions via the 'gpt swap' command or to rename single
618 partitions via the 'rename' command.
619
Simon Glass75eb9972017-05-17 03:25:29 -0600620config CMD_IDE
621 bool "ide - Support for IDE drivers"
Simon Glassfc843a02017-05-17 03:25:30 -0600622 select IDE
Simon Glass75eb9972017-05-17 03:25:29 -0600623 help
624 Provides an 'ide' command which allows accessing the IDE drive,
625 reseting the IDE interface, printing the partition table and
626 geting device info. It also enables the 'diskboot' command which
627 permits booting from an IDE drive.
628
Simon Glass594e8d12017-05-17 03:25:34 -0600629config CMD_IO
630 bool "io - Support for performing I/O accesses"
631 help
632 Provides an 'iod' command to display I/O space and an 'iow' command
633 to write values to the I/O space. This can be useful for manually
634 checking the state of devices during boot when debugging device
635 drivers, etc.
636
Simon Glass7d0f5c12017-05-17 03:25:36 -0600637config CMD_IOTRACE
638 bool "iotrace - Support for tracing I/O activity"
639 help
640 Provides an 'iotrace' command which supports recording I/O reads and
641 writes in a trace buffer in memory . It also maintains a checksum
642 of the trace records (even if space is exhausted) so that the
643 sequence of I/O accesses can be verified.
644
645 When debugging drivers it is useful to see what I/O accesses were
646 done and in what order.
647
648 Even if the individual accesses are of little interest it can be
649 useful to verify that the access pattern is consistent each time
650 an operation is performed. In this case a checksum can be used to
651 characterise the operation of a driver. The checksum can be compared
652 across different runs of the operation to verify that the driver is
653 working properly.
654
655 In particular, when performing major refactoring of the driver, where
656 the access pattern should not change, the checksum provides assurance
657 that the refactoring work has not broken the driver.
658
659 This works by sneaking into the io.h heder for an architecture and
660 redirecting I/O accesses through iotrace's tracing mechanism.
661
662 For now no commands are provided to examine the trace buffer. The
663 format is fairly simple, so 'md' is a reasonable substitute.
664
665 Note: The checksum feature is only useful for I/O regions where the
666 contents do not change outside of software control. Where this is not
667 suitable you can fall back to manually comparing the addresses. It
668 might be useful to enhance tracing to only checksum the accesses and
669 not the data read/written.
670
Simon Glass0c19b4d2017-08-04 16:34:28 -0600671config CMD_I2C
672 bool "i2c"
673 help
674 I2C support.
675
Simon Glass72a8cf82016-01-17 20:53:51 -0700676config CMD_LOADB
677 bool "loadb"
678 default y
679 help
680 Load a binary file over serial line.
681
682config CMD_LOADS
683 bool "loads"
684 default y
685 help
686 Load an S-Record file over serial line
687
Dinh Nguyenab8243e2016-04-21 09:05:23 -0500688config CMD_MMC
689 bool "mmc"
690 help
691 MMC memory mapped support.
692
Simon Glass72a8cf82016-01-17 20:53:51 -0700693config CMD_NAND
694 bool "nand"
Maxime Ripard522c2822017-03-03 15:13:30 +0100695 default y if NAND_SUNXI
Simon Glass72a8cf82016-01-17 20:53:51 -0700696 help
697 NAND support.
698
Boris Brezillone915d202017-02-27 18:22:07 +0100699if CMD_NAND
700config CMD_NAND_TRIMFFS
701 bool "nand write.trimffs"
Hans de Goeded482a8d2017-02-27 18:22:10 +0100702 default y if ARCH_SUNXI
Boris Brezillone915d202017-02-27 18:22:07 +0100703 help
704 Allows one to skip empty pages when flashing something on a NAND.
705
706config CMD_NAND_LOCK_UNLOCK
707 bool "nand lock/unlock"
708 help
709 NAND locking support.
710
711config CMD_NAND_TORTURE
712 bool "nand torture"
713 help
714 NAND torture support.
715
716endif # CMD_NAND
717
Simon Glassf38c5f52017-08-04 16:34:29 -0600718config CMD_MMC_SPI
719 bool "mmc_spi - Set up MMC SPI device"
720 help
721 Provides a way to set up an MMC (Multimedia Card) SPI (Serial
722 Peripheral Interface) device. The device provides a means of
723 accessing an MMC device via SPI using a single data line, limited
724 to 20MHz. It is useful since it reduces the amount of protocol code
725 required.
726
Simon Glass978f0852017-08-04 16:34:31 -0600727config CMD_ONENAND
728 bool "onenand - access to onenand device"
729 help
730 OneNAND is a brand of NAND ('Not AND' gate) flash which provides
731 various useful features. This command allows reading, writing,
732 and erasing blocks. It allso provides a way to show and change
733 bad blocks, and test the device.
734
Patrick Delaunayb331cd62017-01-27 11:00:42 +0100735config CMD_PART
736 bool "part"
737 select PARTITION_UUIDS
738 help
739 Read and display information about the partition table on
740 various media.
741
Simon Glass6500ec72017-08-04 16:34:34 -0600742config CMD_PCI
743 bool "pci - Access PCI devices"
744 help
745 Provide access to PCI (Peripheral Interconnect Bus), a type of bus
746 used on some devices to allow the CPU to communicate with its
747 peripherals. Sub-commands allow bus enumeration, displaying and
748 changing configuration space and a few other features.
749
Simon Glass7f666552017-08-04 16:34:37 -0600750config CMD_PCMCIA
751 bool "pinit - Set up PCMCIA device"
752 help
753 Provides a means to initialise a PCMCIA (Personal Computer Memory
754 Card International Association) device. This is an old standard from
755 about 1990. These devices are typically removable memory or network
756 cards using a standard 68-pin connector.
757
Simon Glassb75dfd22017-08-04 16:34:39 -0600758config CMD_READ
759 bool "read - Read binary data from a partition"
760 help
761 Provides low-level access to the data in a partition.
762
Simon Glass72a8cf82016-01-17 20:53:51 -0700763config CMD_REMOTEPROC
764 bool "remoteproc"
765 depends on REMOTEPROC
766 help
767 Support for Remote Processor control
768
Simon Glass3bf926c2017-06-14 21:28:24 -0600769config CMD_SATA
770 bool "sata - Access SATA subsystem"
Simon Glass10e40d52017-06-14 21:28:25 -0600771 select SATA
Simon Glass3bf926c2017-06-14 21:28:24 -0600772 help
773 SATA (Serial Advanced Technology Attachment) is a serial bus
774 standard for connecting to hard drives and other storage devices.
775 This command provides information about attached devices and allows
776 reading, writing and other operations.
777
778 SATA replaces PATA (originally just ATA), which stands for Parallel AT
779 Attachment, where AT refers to an IBM AT (Advanced Technology)
780 computer released in 1984.
781
Simon Glass15dc63d2017-08-04 16:34:43 -0600782config CMD_SAVES
783 bool "saves - Save a file over serial in S-Record format"
784 help
785 Provides a way to save a binary file using the Motorola S-Record
786 format over the serial line.
787
Simon Glassefce2442017-08-04 16:34:45 -0600788config CMD_SDRAM
789 bool "sdram - Print SDRAM configuration information"
790 help
791 Provides information about attached SDRAM. This assumed that the
792 SDRAM has an EEPROM with information that can be read using the
793 I2C bus. This is only available on some boards.
794
Simon Glass0c19b4d2017-08-04 16:34:28 -0600795config CMD_SF
796 bool "sf"
797 help
798 SPI Flash support
799
800config CMD_SPI
801 bool "sspi"
802 help
803 SPI utility command.
804
805config CMD_USB
806 bool "usb"
807 help
808 USB support.
809
810config CMD_USB_MASS_STORAGE
811 bool "UMS usb mass storage"
812 help
813 USB mass storage support
814
Simon Glass72a8cf82016-01-17 20:53:51 -0700815endmenu
816
817
818menu "Shell scripting commands"
819
820config CMD_ECHO
821 bool "echo"
822 default y
823 help
824 Echo args to console
825
826config CMD_ITEST
827 bool "itest"
828 default y
829 help
830 Return true/false on integer compare.
831
832config CMD_SOURCE
833 bool "source"
834 default y
835 help
836 Run script from memory
837
838config CMD_SETEXPR
839 bool "setexpr"
840 default y
841 help
842 Evaluate boolean and math expressions and store the result in an env
843 variable.
844 Also supports loading the value at a memory location into a variable.
845 If CONFIG_REGEX is enabled, setexpr also supports a gsub function.
846
847endmenu
848
849menu "Network commands"
850
851config CMD_NET
852 bool "bootp, tftpboot"
853 select NET
854 default y
855 help
856 Network commands.
857 bootp - boot image via network using BOOTP/TFTP protocol
858 tftpboot - boot image via network using TFTP protocol
859
860config CMD_TFTPPUT
861 bool "tftp put"
862 help
863 TFTP put command, for uploading files to a server
864
865config CMD_TFTPSRV
866 bool "tftpsrv"
867 help
868 Act as a TFTP server and boot the first received file
869
870config CMD_RARP
871 bool "rarpboot"
872 help
873 Boot image via network using RARP/TFTP protocol
874
875config CMD_DHCP
876 bool "dhcp"
877 help
878 Boot image via network using DHCP/TFTP protocol
879
Yann E. MORINbfb380b2016-11-13 21:59:52 +0100880config CMD_PXE
881 bool "pxe"
882 select MENU
883 help
884 Boot image via network using PXE protocol
885
Simon Glass72a8cf82016-01-17 20:53:51 -0700886config CMD_NFS
887 bool "nfs"
888 default y
889 help
890 Boot image via network using NFS protocol.
891
Dinh Nguyenab8243e2016-04-21 09:05:23 -0500892config CMD_MII
893 bool "mii"
894 help
895 Enable MII utility commands.
896
Simon Glass72a8cf82016-01-17 20:53:51 -0700897config CMD_PING
898 bool "ping"
899 help
900 Send ICMP ECHO_REQUEST to network host
901
902config CMD_CDP
903 bool "cdp"
904 help
905 Perform CDP network configuration
906
907config CMD_SNTP
908 bool "sntp"
909 help
910 Synchronize RTC via network
911
912config CMD_DNS
913 bool "dns"
914 help
915 Lookup the IP of a hostname
916
917config CMD_LINK_LOCAL
918 bool "linklocal"
919 help
920 Acquire a network IP address using the link-local protocol
921
Simon Glassef072202017-05-17 03:25:17 -0600922config CMD_ETHSW
923 bool "ethsw"
924 help
925 Allow control of L2 Ethernet switch commands. These are supported
926 by the vsc9953 Ethernet driver at present. Sub-commands allow
927 operations such as enabling / disabling a port and
928 viewing/maintaining the filtering database (FDB)
929
Simon Glass72a8cf82016-01-17 20:53:51 -0700930endmenu
931
932menu "Misc commands"
933
Simon Glass0f710252017-04-26 22:27:55 -0600934config CMD_BMP
935 bool "Enable 'bmp' command"
936 depends on LCD || DM_VIDEO || VIDEO
937 help
938 This provides a way to obtain information about a BMP-format iamge
939 and to display it. BMP (which presumably stands for BitMaP) is a
940 file format defined by Microsoft which supports images of various
941 depths, formats and compression methods. Headers on the file
942 determine the formats used. This command can be used by first loading
943 the image into RAM, then using this command to look at it or display
944 it.
945
Simon Glass4893e342017-04-26 22:27:56 -0600946config CMD_BSP
947 bool "Enable board-specific commands"
948 help
949 (deprecated: instead, please define a Kconfig option for each command)
950
951 Some boards have board-specific commands which are only enabled
952 during developemnt and need to be turned off for production. This
953 option provides a way to control this. The commands that are enabled
954 vary depending on the board.
955
Tomas Melincd3d4882016-11-25 11:01:03 +0200956config CMD_BKOPS_ENABLE
957 bool "mmc bkops enable"
958 depends on CMD_MMC
959 default n
960 help
961 Enable command for setting manual background operations handshake
962 on a eMMC device. The feature is optionally available on eMMC devices
963 conforming to standard >= 4.41.
964
Eric Nelsone40cf342016-03-28 10:05:44 -0700965config CMD_BLOCK_CACHE
966 bool "blkcache - control and stats for block cache"
967 depends on BLOCK_CACHE
968 default y if BLOCK_CACHE
969 help
970 Enable the blkcache command, which can be used to control the
971 operation of the cache functions.
972 This is most useful when fine-tuning the operation of the cache
973 during development, but also allows the cache to be disabled when
974 it might hurt performance (e.g. when using the ums command).
975
Dinh Nguyenab8243e2016-04-21 09:05:23 -0500976config CMD_CACHE
977 bool "icache or dcache"
978 help
979 Enable the "icache" and "dcache" commands
980
Simon Glass93d66ee2017-04-26 22:28:09 -0600981config CMD_DISPLAY
982 bool "Enable the 'display' command, for character displays"
983 help
984 (this needs porting to driver model)
985 This enables the 'display' command which allows a string to be
986 displayed on a simple board-specific display. Implement
987 display_putc() to use it.
988
Simon Glassffe20522017-04-10 11:34:59 -0600989config CMD_LED
990 bool "led"
991 default y if LED
992 help
993 Enable the 'led' command which allows for control of LEDs supported
994 by the board. The LEDs can be listed with 'led list' and controlled
995 with led on/off/togle/blink. Any LED drivers can be controlled with
996 this command, e.g. led_gpio.
997
Chris Packhamc9032ce2017-04-29 15:20:28 +1200998config CMD_DATE
999 bool "date"
1000 default y if DM_RTC
1001 help
1002 Enable the 'date' command for getting/setting the time/date in RTC
1003 devices.
1004
Simon Glass72a8cf82016-01-17 20:53:51 -07001005config CMD_TIME
1006 bool "time"
1007 help
1008 Run commands and summarize execution time.
1009
Simon Glassd91a9d72017-05-17 03:25:23 -06001010config CMD_GETTIME
1011 bool "gettime - read elapsed time"
1012 help
1013 Enable the 'gettime' command which reads the elapsed time since
1014 U-Boot started running. This shows the time in seconds and
1015 milliseconds. See also the 'bootstage' command which provides more
1016 flexibility for boot timing.
1017
Simon Glass72a8cf82016-01-17 20:53:51 -07001018# TODO: rename to CMD_SLEEP
1019config CMD_MISC
1020 bool "sleep"
1021 default y
1022 help
1023 Delay execution for some time
1024
1025config CMD_TIMER
1026 bool "timer"
1027 help
1028 Access the system timer.
1029
Simon Glass72a8cf82016-01-17 20:53:51 -07001030config CMD_SOUND
1031 bool "sound"
1032 depends on SOUND
1033 help
1034 This provides basic access to the U-Boot's sound support. The main
1035 feature is to play a beep.
1036
1037 sound init - set up sound system
1038 sound play - play a sound
1039
Miao Yan18686592016-05-22 19:37:17 -07001040config CMD_QFW
Tom Rinidd6f3ab2016-05-06 10:40:22 -04001041 bool "qfw"
Miao Yanfcf5c042016-05-22 19:37:14 -07001042 select QFW
Tom Rinidd6f3ab2016-05-06 10:40:22 -04001043 help
1044 This provides access to the QEMU firmware interface. The main
1045 feature is to allow easy loading of files passed to qemu-system
1046 via -kernel / -initrd
Konstantin Porotchkinfa61ef62016-12-08 12:22:28 +02001047
1048source "cmd/mvebu/Kconfig"
1049
Simon Glass72a8cf82016-01-17 20:53:51 -07001050endmenu
1051
1052config CMD_BOOTSTAGE
1053 bool "Enable the 'bootstage' command"
1054 depends on BOOTSTAGE
1055 help
1056 Add a 'bootstage' command which supports printing a report
1057 and un/stashing of bootstage data.
1058
1059menu "Power commands"
1060config CMD_PMIC
1061 bool "Enable Driver Model PMIC command"
1062 depends on DM_PMIC
1063 help
1064 This is the pmic command, based on a driver model pmic's API.
1065 Command features are unchanged:
1066 - list - list pmic devices
1067 - pmic dev <id> - show or [set] operating pmic device (NEW)
1068 - pmic dump - dump registers
1069 - pmic read address - read byte of register at address
1070 - pmic write address - write byte to register at address
1071 The only one change for this command is 'dev' subcommand.
1072
1073config CMD_REGULATOR
1074 bool "Enable Driver Model REGULATOR command"
1075 depends on DM_REGULATOR
1076 help
1077 This command is based on driver model regulator's API.
1078 User interface features:
1079 - list - list regulator devices
1080 - regulator dev <id> - show or [set] operating regulator device
1081 - regulator info - print constraints info
1082 - regulator status - print operating status
1083 - regulator value <val] <-f> - print/[set] voltage value [uV]
1084 - regulator current <val> - print/[set] current value [uA]
1085 - regulator mode <id> - print/[set] operating mode id
1086 - regulator enable - enable the regulator output
1087 - regulator disable - disable the regulator output
1088
1089 The '-f' (force) option can be used for set the value which exceeds
1090 the limits, which are found in device-tree and are kept in regulator's
1091 uclass platdata structure.
1092
1093endmenu
1094
1095menu "Security commands"
Simon Glassb1a873d2017-04-26 22:27:49 -06001096config CMD_AES
1097 bool "Enable the 'aes' command"
1098 select AES
1099 help
1100 This provides a means to encrypt and decrypt data using the AES
1101 (Advanced Encryption Standard). This algorithm uses a symetric key
1102 and is widely used as a streaming cipher. Different key lengths are
1103 supported by the algorithm but this command only supports 128 bits
1104 at present.
1105
Simon Glassc04b9b32017-04-26 22:27:53 -06001106config CMD_BLOB
1107 bool "Enable the 'blob' command"
1108 help
1109 This is used with the Freescale secure boot mechanism.
1110
1111 Freescale's SEC block has built-in Blob Protocol which provides
1112 a method for protecting user-defined data across system power
1113 cycles. SEC block protects data in a data structure called a Blob,
1114 which provides both confidentiality and integrity protection.
1115
1116 Encapsulating data as a blob
1117 Each time that the Blob Protocol is used to protect data, a
1118 different randomly generated key is used to encrypt the data.
1119 This random key is itself encrypted using a key which is derived
1120 from SoC's non-volatile secret key and a 16 bit Key identifier.
1121 The resulting encrypted key along with encrypted data is called a
1122 blob. The non-volatile secure key is available for use only during
1123 secure boot.
1124
1125 During decapsulation, the reverse process is performed to get back
1126 the original data.
1127
1128 Sub-commands:
1129 blob enc - encapsulating data as a cryptgraphic blob
1130 blob dec - decapsulating cryptgraphic blob to get the data
1131
1132 Syntax:
1133
1134 blob enc src dst len km
1135
1136 Encapsulate and create blob of data $len bytes long
1137 at address $src and store the result at address $dst.
1138 $km is the 16 byte key modifier is also required for
1139 generation/use as key for cryptographic operation. Key
1140 modifier should be 16 byte long.
1141
1142 blob dec src dst len km
1143
1144 Decapsulate the blob of data at address $src and
1145 store result of $len byte at addr $dst.
1146 $km is the 16 byte key modifier is also required for
1147 generation/use as key for cryptographic operation. Key
1148 modifier should be 16 byte long.
1149
Simon Glass551c3932017-05-17 03:25:25 -06001150config CMD_HASH
1151 bool "Support 'hash' command"
Simon Glassd70f9192017-05-17 09:05:34 -06001152 select HASH
Simon Glass551c3932017-05-17 03:25:25 -06001153 help
1154 This provides a way to hash data in memory using various supported
1155 algorithms (such as SHA1, MD5, CRC32). The computed digest can be
1156 saved to memory or to an environment variable. It is also possible
1157 to verify a hash against data in memory.
1158
Daniel Thompson221a9492017-05-19 17:26:58 +01001159config HASH_VERIFY
1160 bool "hash -v"
1161 depends on CMD_HASH
1162 help
1163 Add -v option to verify data against a hash.
1164
Simon Glass72a8cf82016-01-17 20:53:51 -07001165config CMD_TPM
1166 bool "Enable the 'tpm' command"
1167 depends on TPM
1168 help
1169 This provides a means to talk to a TPM from the command line. A wide
1170 range of commands if provided - see 'tpm help' for details. The
1171 command requires a suitable TPM on your board and the correct driver
1172 must be enabled.
1173
1174config CMD_TPM_TEST
1175 bool "Enable the 'tpm test' command"
1176 depends on CMD_TPM
1177 help
1178 This provides a a series of tests to confirm that the TPM is working
1179 correctly. The tests cover initialisation, non-volatile RAM, extend,
1180 global lock and checking that timing is within expectations. The
1181 tests pass correctly on Infineon TPMs but may need to be adjusted
1182 for other devices.
1183
1184endmenu
1185
Moritz Fischerbfeba012016-10-04 17:08:08 -07001186menu "Firmware commands"
1187config CMD_CROS_EC
1188 bool "Enable crosec command"
1189 depends on CROS_EC
1190 default y
1191 help
1192 Enable command-line access to the Chrome OS EC (Embedded
1193 Controller). This provides the 'crosec' command which has
1194 a number of sub-commands for performing EC tasks such as
1195 updating its flash, accessing a small saved context area
1196 and talking to the I2C bus behind the EC (if there is one).
1197endmenu
1198
Dinh Nguyenab8243e2016-04-21 09:05:23 -05001199menu "Filesystem commands"
Simon Glassd66a10f2017-04-26 22:27:58 -06001200config CMD_CBFS
1201 bool "Enable the 'cbfs' command"
Simon Glassdeb959992017-04-26 22:27:59 -06001202 depends on FS_CBFS
Simon Glassd66a10f2017-04-26 22:27:58 -06001203 help
1204 Define this to enable support for reading from a Coreboot
1205 filesystem. This is a ROM-based filesystem used for accessing files
1206 on systems that use coreboot as the first boot-loader and then load
1207 U-Boot to actually boot the Operating System. Available commands are
1208 cbfsinit, cbfsinfo, cbfsls and cbfsload.
1209
Simon Glass97072742017-04-26 22:28:03 -06001210config CMD_CRAMFS
1211 bool "Enable the 'cramfs' command"
Simon Glass80e44cf2017-04-26 22:28:04 -06001212 depends on FS_CRAMFS
Simon Glass97072742017-04-26 22:28:03 -06001213 help
1214 This provides commands for dealing with CRAMFS (Compressed ROM
1215 filesystem). CRAMFS is useful when space is tight since files are
1216 compressed. Two commands are provided:
1217
1218 cramfsls - lists files in a cramfs image
1219 cramfsload - loads a file from a cramfs image
1220
Dinh Nguyenab8243e2016-04-21 09:05:23 -05001221config CMD_EXT2
1222 bool "ext2 command support"
1223 help
1224 Enables EXT2 FS command
1225
1226config CMD_EXT4
1227 bool "ext4 command support"
1228 help
1229 Enables EXT4 FS command
1230
1231config CMD_EXT4_WRITE
1232 depends on CMD_EXT4
1233 bool "ext4 write command support"
1234 help
1235 Enables EXT4 FS write command
1236
1237config CMD_FAT
1238 bool "FAT command support"
Sekhar Norieedfb892017-06-02 17:53:59 +05301239 select FS_FAT
Dinh Nguyenab8243e2016-04-21 09:05:23 -05001240 help
1241 Support for the FAT fs
1242
1243config CMD_FS_GENERIC
1244 bool "filesystem commands"
1245 help
1246 Enables filesystem commands (e.g. load, ls) that work for multiple
1247 fs types.
Maxime Ripard0269dfa2017-02-27 18:22:04 +01001248
Josua Mayerefbe99c2017-04-24 10:10:45 +02001249config CMD_FS_UUID
1250 bool "fsuuid command"
1251 help
1252 Enables fsuuid command for filesystem UUID.
1253
Simon Glassb8682a72017-05-17 03:25:37 -06001254config CMD_JFFS2
1255 bool "jffs2 command"
Simon Glass59e12a42017-05-17 03:25:38 -06001256 select FS_JFFS2
Simon Glassb8682a72017-05-17 03:25:37 -06001257 help
1258 Enables commands to support the JFFS2 (Journalling Flash File System
1259 version 2) filesystem. This enables fsload, ls and fsinfo which
1260 provide the ability to load files, list directories and obtain
1261 filesystem information.
1262
Maxime Ripard0269dfa2017-02-27 18:22:04 +01001263config CMD_MTDPARTS
Maxime Ripard0269dfa2017-02-27 18:22:04 +01001264 bool "MTD partition support"
1265 help
1266 MTD partition support
1267
1268config MTDIDS_DEFAULT
1269 string "Default MTD IDs"
1270 depends on CMD_MTDPARTS
1271 help
1272 Defines a default MTD ID
1273
1274config MTDPARTS_DEFAULT
1275 string "Default MTD partition scheme"
1276 depends on CMD_MTDPARTS
1277 help
1278 Defines a default MTD partitioning scheme in the Linux MTD command
1279 line partitions format
1280
Simon Glasscb70e6c2017-08-04 16:34:30 -06001281config CMD_MTDPARTS_SPREAD
1282 bool "Padd partition size to take account of bad blocks"
1283 depends on CMD_MTDPARTS
1284 help
1285 This enables the 'spread' sub-command of the mtdparts command.
1286 This command will modify the existing mtdparts variable by increasing
1287 the size of the partitions such that 1) each partition's net size is
1288 at least as large as the size specified in the mtdparts variable and
1289 2) each partition starts on a good block.
1290
Simon Glassf8803a92017-08-04 16:34:41 -06001291config CMD_REISER
1292 bool "reiser - Access to reiserfs filesystems"
1293 help
1294 This provides two commands which operate on a resierfs filesystem,
1295 commonly used some years ago:
1296
1297 reiserls - list files
1298 reiserload - load a file
1299
Simon Glass0941f592017-08-04 16:34:44 -06001300config CMD_SCSI
1301 bool "scsi - Access to SCSI devices"
1302 default y if SCSI
1303 help
1304 This provides a 'scsi' command which provides access to SCSI (Small
1305 Computer System Interface) devices. The command provides a way to
1306 scan the bus, reset the bus, read and write data and get information
1307 about devices.
1308
Dinh Nguyenab8243e2016-04-21 09:05:23 -05001309endmenu
1310
Simon Glassac20a1b2017-04-26 22:27:52 -06001311menu "Debug commands"
1312
1313config CMD_BEDBUG
1314 bool "bedbug"
1315 help
1316 The bedbug (emBEDded deBUGger) command provides debugging features
1317 for some PowerPC processors. For details please see the
1318 docuemntation in doc/README.beddbug
1319
Simon Glass3bd25cb2017-04-26 22:28:08 -06001320config CMD_DIAG
1321 bool "diag - Board diagnostics"
1322 help
1323 This command provides access to board diagnostic tests. These are
1324 called Power-on Self Tests (POST). The command allows listing of
1325 available tests and running either all the tests, or specific tests
1326 identified by name.
1327
Simon Glass1b330892017-05-17 03:25:39 -06001328config CMD_IRQ
1329 bool "irq - Show information about interrupts"
Heiko Schocher064b55c2017-06-14 05:49:40 +02001330 depends on !ARM && !MIPS && !SH
Simon Glass1b330892017-05-17 03:25:39 -06001331 help
1332 This enables two commands:
1333
1334 interrupts - enable or disable interrupts
1335 irqinfo - print device-specific interrupt information
Simon Glass6bac2272017-05-17 03:25:40 -06001336
1337config CMD_KGDB
1338 bool "kgdb - Allow debugging of U-Boot with gdb"
1339 help
1340 This enables a 'kgdb' command which allows gdb to connect to U-Boot
1341 over a serial link for debugging purposes. This allows
1342 single-stepping, inspecting variables, etc. This is supported only
1343 on PowerPC at present.
1344
Simon Glassac20a1b2017-04-26 22:27:52 -06001345endmenu
1346
Heiko Schocher8f2fe0c2016-09-21 07:58:19 +02001347config CMD_UBI
1348 tristate "Enable UBI - Unsorted block images commands"
1349 select CRC32
1350 select MTD_UBI
Karl Beldan22cf9532017-07-12 16:11:46 +00001351 select CMD_MTDPARTS
Maxime Ripard522c2822017-03-03 15:13:30 +01001352 default y if NAND_SUNXI
Heiko Schocher8f2fe0c2016-09-21 07:58:19 +02001353 help
1354 UBI is a software layer above MTD layer which admits use of LVM-like
1355 logical volumes on top of MTD devices, hides some complexities of
1356 flash chips like wear and bad blocks and provides some other useful
1357 capabilities. Please, consult the MTD web site for more details
1358 (www.linux-mtd.infradead.org). Activate this option if you want
1359 to use U-Boot UBI commands.
1360
Boris Brezillon173aafb2017-02-27 18:22:06 +01001361config CMD_UBIFS
1362 tristate "Enable UBIFS - Unsorted block images filesystem commands"
Maxime Ripard2bc734b2017-03-03 14:53:22 +01001363 depends on CMD_UBI
Boris Brezillon173aafb2017-02-27 18:22:06 +01001364 select CRC32
Karl Beldan24fc9532017-07-12 16:11:47 +00001365 select LZO
Tom Rinid56b4b12017-07-22 18:36:16 -04001366 default y if CMD_UBI
Boris Brezillon173aafb2017-02-27 18:22:06 +01001367 help
1368 UBIFS is a file system for flash devices which works on top of UBI.
1369
Simon Glass72a8cf82016-01-17 20:53:51 -07001370endmenu