xref: /openbmc/u-boot/cmd/Kconfig (revision 9c0e2f6e)
1menu "Command line interface"
2
3config CMDLINE
4	bool "Support U-Boot commands"
5	default y
6	help
7	  Enable U-Boot's command-line functions. This provides a means
8	  to enter commands into U-Boot for a wide variety of purposes. It
9	  also allows scripts (containing commands) to be executed.
10	  Various commands and command categorys can be indivdually enabled.
11	  Depending on the number of commands enabled, this can add
12	  substantially to the size of U-Boot.
13
14config HUSH_PARSER
15	bool "Use hush shell"
16	depends on CMDLINE
17	help
18	  This option enables the "hush" shell (from Busybox) as command line
19	  interpreter, thus enabling powerful command line syntax like
20	  if...then...else...fi conditionals or `&&' and '||'
21	  constructs ("shell scripts").
22
23	  If disabled, you get the old, much simpler behaviour with a somewhat
24	  smaller memory footprint.
25
26config CMDLINE_EDITING
27	bool "Enable command line editing"
28	depends on CMDLINE
29	default y
30	help
31	  Enable editing and History functions for interactive command line
32	  input operations
33
34config AUTO_COMPLETE
35	bool "Enable auto complete using TAB"
36	depends on CMDLINE
37	default y
38	help
39	  Enable auto completion of commands using TAB.
40
41config SYS_LONGHELP
42	bool "Enable long help messages"
43	depends on CMDLINE
44	default y if CMDLINE
45	help
46	  Defined when you want long help messages included
47	  Do not set this option when short of memory.
48
49config SYS_PROMPT
50	string "Shell prompt"
51	default "=> "
52	help
53	  This string is displayed in the command line to the left of the
54	  cursor.
55
56menu "Autoboot options"
57
58config AUTOBOOT
59	bool "Autoboot"
60	default y
61	help
62	  This enables the autoboot.  See doc/README.autoboot for detail.
63
64config AUTOBOOT_KEYED
65	bool "Stop autobooting via specific input key / string"
66	default n
67	help
68	  This option enables stopping (aborting) of the automatic
69	  boot feature only by issuing a specific input key or
70	  string. If not enabled, any input key will abort the
71	  U-Boot automatic booting process and bring the device
72	  to the U-Boot prompt for user input.
73
74config AUTOBOOT_PROMPT
75	string "Autoboot stop prompt"
76	depends on AUTOBOOT_KEYED
77	default "Autoboot in %d seconds\\n"
78	help
79	  This string is displayed before the boot delay selected by
80	  CONFIG_BOOTDELAY starts. If it is not defined	there is no
81	  output indicating that autoboot is in progress.
82
83	  Note that this define is used as the (only) argument to a
84	  printf() call, so it may contain '%' format specifications,
85	  provided that it also includes, sepearated by commas exactly
86	  like in a printf statement, the required arguments. It is
87	  the responsibility of the user to select only such arguments
88	  that are valid in the given context.
89
90config AUTOBOOT_ENCRYPTION
91	bool "Enable encryption in autoboot stopping"
92	depends on AUTOBOOT_KEYED
93	default n
94
95config AUTOBOOT_DELAY_STR
96	string "Delay autobooting via specific input key / string"
97	depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION
98	help
99	  This option delays the automatic boot feature by issuing
100	  a specific input key or string. If CONFIG_AUTOBOOT_DELAY_STR
101	  or the environment variable "bootdelaykey" is specified
102	  and this string is received from console input before
103	  autoboot starts booting, U-Boot gives a command prompt. The
104	  U-Boot prompt will time out if CONFIG_BOOT_RETRY_TIME is
105	  used, otherwise it never times out.
106
107config AUTOBOOT_STOP_STR
108	string "Stop autobooting via specific input key / string"
109	depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION
110	help
111	  This option enables stopping (aborting) of the automatic
112	  boot feature only by issuing a specific input key or
113	  string. If CONFIG_AUTOBOOT_STOP_STR or the environment
114	  variable "bootstopkey" is specified and this string is
115	  received from console input before autoboot starts booting,
116	  U-Boot gives a command prompt. The U-Boot prompt never
117	  times out, even if CONFIG_BOOT_RETRY_TIME is used.
118
119config AUTOBOOT_KEYED_CTRLC
120	bool "Enable Ctrl-C autoboot interruption"
121	depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION
122	default n
123	help
124	  This option allows for the boot sequence to be interrupted
125	  by ctrl-c, in addition to the "bootdelaykey" and "bootstopkey".
126	  Setting this variable	provides an escape sequence from the
127	  limited "password" strings.
128
129config AUTOBOOT_STOP_STR_SHA256
130	string "Stop autobooting via SHA256 encrypted password"
131	depends on AUTOBOOT_KEYED && AUTOBOOT_ENCRYPTION
132	help
133	  This option adds the feature to only stop the autobooting,
134	  and therefore boot into the U-Boot prompt, when the input
135	  string / password matches a values that is encypted via
136	  a SHA256 hash and saved in the environment.
137
138endmenu
139
140source "cmd/fastboot/Kconfig"
141
142config BUILD_BIN2C
143	bool
144
145comment "Commands"
146
147menu "Info commands"
148
149config CMD_BDI
150	bool "bdinfo"
151	default y
152	help
153	  Print board info
154
155config CMD_CONFIG
156	bool "config"
157	select BUILD_BIN2C
158	default SANDBOX
159	help
160	  Print ".config" contents.
161
162	  If this option is enabled, the ".config" file contents are embedded
163	  in the U-Boot image and can be printed on the console by the "config"
164	  command.  This provides information of which options are enabled on
165	  the running U-Boot.
166
167config CMD_CONSOLE
168	bool "coninfo"
169	default y
170	help
171	  Print console devices and information.
172
173config CMD_CPU
174	bool "cpu"
175	help
176	  Print information about available CPUs. This normally shows the
177	  number of CPUs, type (e.g. manufacturer, architecture, product or
178	  internal name) and clock frequency. Other information may be
179	  available depending on the CPU driver.
180
181config CMD_LICENSE
182	bool "license"
183	select BUILD_BIN2C
184	help
185	  Print GPL license text
186
187config CMD_REGINFO
188	bool "reginfo"
189	depends on PPC
190	help
191	  Register dump
192
193endmenu
194
195menu "Boot commands"
196
197config CMD_BOOTD
198	bool "bootd"
199	default y
200	help
201	  Run the command stored in the environment "bootcmd", i.e.
202	  "bootd" does the same thing as "run bootcmd".
203
204config CMD_BOOTM
205	bool "bootm"
206	default y
207	help
208	  Boot an application image from the memory.
209
210config CMD_BOOTZ
211	bool "bootz"
212	help
213	  Boot the Linux zImage
214
215config CMD_BOOTI
216	bool "booti"
217	depends on ARM64
218	default y
219	help
220	  Boot an AArch64 Linux Kernel image from memory.
221
222config CMD_BOOTEFI
223	bool "bootefi"
224	depends on EFI_LOADER
225	default y
226	help
227	  Boot an EFI image from memory.
228
229config CMD_BOOTEFI_HELLO_COMPILE
230	bool "Compile a standard EFI hello world binary for testing"
231	depends on CMD_BOOTEFI && (ARM || X86)
232	default y
233	help
234	  This compiles a standard EFI hello world application with U-Boot so
235	  that it can be used with the test/py testing framework. This is useful
236	  for testing that EFI is working at a basic level, and for bringing
237	  up EFI support on a new architecture.
238
239	  No additional space will be required in the resulting U-Boot binary
240	  when this option is enabled.
241
242config CMD_BOOTEFI_HELLO
243	bool "Allow booting a standard EFI hello world for testing"
244	depends on CMD_BOOTEFI_HELLO_COMPILE
245	help
246	  This adds a standard EFI hello world application to U-Boot so that
247	  it can be used with the 'bootefi hello' command. This is useful
248	  for testing that EFI is working at a basic level, and for bringing
249	  up EFI support on a new architecture.
250
251source lib/efi_selftest/Kconfig
252
253config CMD_BOOTMENU
254	bool "bootmenu"
255	select MENU
256	help
257	  Add an ANSI terminal boot menu command.
258
259config CMD_ELF
260	bool "bootelf, bootvx"
261	default y
262	help
263	  Boot an ELF/vxWorks image from the memory.
264
265config CMD_FDT
266	bool "Flattened Device Tree utility commands"
267	default y
268	depends on OF_LIBFDT
269	help
270	  Do FDT related setup before booting into the Operating System.
271
272config CMD_GO
273	bool "go"
274	default y
275	help
276	  Start an application at a given address.
277
278config CMD_RUN
279	bool "run"
280	default y
281	help
282	  Run the command in the given environment variable.
283
284config CMD_IMI
285	bool "iminfo"
286	default y
287	help
288	  Print header information for application image.
289
290config CMD_IMLS
291	bool "imls"
292	help
293	  List all images found in flash
294
295config CMD_XIMG
296	bool "imxtract"
297	default y
298	help
299	  Extract a part of a multi-image.
300
301config CMD_POWEROFF
302	bool "poweroff"
303	help
304	  Poweroff/Shutdown the system
305
306config CMD_SPL
307	bool "spl export - Export boot information for Falcon boot"
308	depends on SPL
309	help
310	  Falcon mode allows booting directly from SPL into an Operating
311	  System such as Linux, thus skipping U-Boot proper. See
312	  doc/README.falcon for full information about how to use this
313	  command.
314
315config CMD_SPL_NAND_OFS
316	hex "Offset of OS command line args for Falcon-mode NAND boot"
317	depends on CMD_SPL
318	default 0
319	help
320	  This provides the offset of the command line arguments for Linux
321	  when booting from NAND in Falcon mode.  See doc/README.falcon
322	  for full information about how to use this option (and also see
323	  board/gateworks/gw_ventana/README for an example).
324
325config CMD_SPL_WRITE_SIZE
326	hex "Size of argument area"
327	depends on CMD_SPL
328	default 0x2000
329	help
330	  This provides the size of the command-line argument area in NAND
331	  flash used by Falcon-mode boot. See the documentation until CMD_SPL
332	  for detail.
333
334config CMD_FITUPD
335	bool "fitImage update command"
336	help
337	  Implements the 'fitupd' command, which allows to automatically
338	  store software updates present on a TFTP server in NOR Flash
339
340config CMD_THOR_DOWNLOAD
341	bool "thor - TIZEN 'thor' download"
342	help
343	  Implements the 'thor' download protocol. This is a way of
344	  downloading a software update over USB from an attached host.
345	  There is no documentation about this within the U-Boot source code
346	  but you should be able to find something on the interwebs.
347
348config CMD_ZBOOT
349	bool "zboot - x86 boot command"
350	help
351	  With x86 machines it is common to boot a bzImage file which
352	  contains both a kernel and a setup.bin file. The latter includes
353	  configuration information from the dark ages which x86 boards still
354	  need to pick things out of.
355
356	  Consider using FIT in preference to this since it supports directly
357	  booting both 32- and 64-bit kernels, as well as secure boot.
358	  Documentation is available in doc/uImage.FIT/x86-fit-boot.txt
359
360endmenu
361
362menu "Environment commands"
363
364config CMD_ASKENV
365	bool "ask for env variable"
366	help
367	  Ask for environment variable
368
369config CMD_EXPORTENV
370	bool "env export"
371	default y
372	help
373	  Export environments.
374
375config CMD_IMPORTENV
376	bool "env import"
377	default y
378	help
379	  Import environments.
380
381config CMD_EDITENV
382	bool "editenv"
383	default y
384	help
385	  Edit environment variable.
386
387config CMD_GREPENV
388	bool "search env"
389	help
390	  Allow for searching environment variables
391
392config CMD_SAVEENV
393	bool "saveenv"
394	default y
395	help
396	  Save all environment variables into the compiled-in persistent
397	  storage.
398
399config CMD_ENV_EXISTS
400	bool "env exists"
401	default y
402	help
403	  Check if a variable is defined in the environment for use in
404	  shell scripting.
405
406config CMD_ENV_CALLBACK
407	bool "env callbacks - print callbacks and their associated variables"
408	help
409	  Some environment variable have callbacks defined by
410	  U_BOOT_ENV_CALLBACK. These are called when the variable changes.
411	  For example changing "baudrate" adjust the serial baud rate. This
412	  command lists the currently defined callbacks.
413
414config CMD_ENV_FLAGS
415	bool "env flags -print variables that have non-default flags"
416	help
417	  Some environment variables have special flags that control their
418	  behaviour. For example, serial# can only be written once and cannot
419	  be deleted. This command shows the variables that have special
420	  flags.
421
422endmenu
423
424menu "Memory commands"
425
426config CMD_CRC32
427	bool "crc32"
428	select HASH
429	default n if ARCH_SUNXI
430	default y
431	help
432	  Compute CRC32.
433
434config CRC32_VERIFY
435	bool "crc32 -v"
436	depends on CMD_CRC32
437	help
438	  Add -v option to verify data against a crc32 checksum.
439
440config CMD_EEPROM
441	bool "eeprom - EEPROM subsystem"
442	help
443	  (deprecated, needs conversion to driver model)
444	  Provides commands to read and write EEPROM (Electrically Erasable
445	  Programmable Read Only Memory) chips that are connected over an
446	  I2C bus.
447
448config CMD_EEPROM_LAYOUT
449	bool "Enable layout-aware eeprom commands"
450	depends on CMD_EEPROM
451	help
452	  (deprecated, needs conversion to driver model)
453	  When enabled, additional eeprom sub-commands become available.
454
455	  eeprom print - prints the contents of the eeprom in a human-readable
456	  way (eeprom layout fields, and data formatted to be fit for human
457	  consumption).
458
459	  eeprom update - allows user to update eeprom fields by specifying
460	  the field name, and providing the new data in a human readable format
461	  (same format as displayed by the eeprom print command).
462
463	  Both commands can either auto detect the layout, or be told which
464	  layout to use.
465
466	  Feature API:
467	  __weak int parse_layout_version(char *str)
468		- override to provide your own layout name parsing
469	  __weak void __eeprom_layout_assign(struct eeprom_layout *layout,
470			int layout_version);
471		- override to setup the layout metadata based on the version
472	  __weak int eeprom_layout_detect(unsigned char *data)
473		- override to provide your own algorithm for detecting layout
474			version
475	  eeprom_field.c
476		- contains various printing and updating functions for common
477			types of eeprom fields. Can be used for defining
478			custom layouts.
479
480config EEPROM_LAYOUT_HELP_STRING
481	  string "Tells user what layout names are supported"
482	  depends on CMD_EEPROM_LAYOUT
483	  default "<not defined>"
484	  help
485	    Help printed with the LAYOUT VERSIONS part of the 'eeprom'
486	    command's help.
487
488config LOOPW
489	bool "loopw"
490	help
491	  Infinite write loop on address range
492
493config CMD_MD5SUM
494	bool "md5sum"
495	default n
496	select MD5
497	help
498	  Compute MD5 checksum.
499
500config MD5SUM_VERIFY
501	bool "md5sum -v"
502	default n
503	depends on CMD_MD5SUM
504	help
505	  Add -v option to verify data against an MD5 checksum.
506
507config CMD_MEMINFO
508	bool "meminfo"
509	help
510	  Display memory information.
511
512config CMD_MEMORY
513	bool "md, mm, nm, mw, cp, cmp, base, loop"
514	default y
515	help
516	  Memory commands.
517	    md - memory display
518	    mm - memory modify (auto-incrementing address)
519	    nm - memory modify (constant address)
520	    mw - memory write (fill)
521	    cp - memory copy
522	    cmp - memory compare
523	    base - print or set address offset
524	    loop - initialize loop on address range
525
526config CMD_MEMTEST
527	bool "memtest"
528	help
529	  Simple RAM read/write test.
530
531config CMD_MX_CYCLIC
532	bool "mdc, mwc"
533	help
534	  mdc - memory display cyclic
535	  mwc - memory write cyclic
536
537config CMD_SHA1SUM
538	bool "sha1sum"
539	select SHA1
540	help
541	  Compute SHA1 checksum.
542
543config SHA1SUM_VERIFY
544	bool "sha1sum -v"
545	depends on CMD_SHA1SUM
546	help
547	  Add -v option to verify data against a SHA1 checksum.
548
549config CMD_STRINGS
550	bool "strings - display strings in memory"
551	help
552	  This works similarly to the Unix 'strings' command except that it
553	  works with a memory range. String of printable characters found
554	  within the range are displayed. The minimum number of characters
555	  for a sequence to be considered a string can be provided.
556
557endmenu
558
559menu "Compression commands"
560
561config CMD_LZMADEC
562	bool "lzmadec"
563	default y if CMD_BOOTI
564	select LZMA
565	help
566	  Support decompressing an LZMA (Lempel-Ziv-Markov chain algorithm)
567	  image from memory.
568
569config CMD_UNZIP
570	bool "unzip"
571	default n if ARCH_SUNXI
572	default y if CMD_BOOTI
573	help
574	  Uncompress a zip-compressed memory region.
575
576config CMD_ZIP
577	bool "zip"
578	help
579	  Compress a memory region with zlib deflate method.
580
581endmenu
582
583menu "Device access commands"
584
585config CMD_ARMFLASH
586	#depends on FLASH_CFI_DRIVER
587	bool "armflash"
588	help
589	  ARM Ltd reference designs flash partition access
590
591config CMD_CLK
592	bool "clk - Show clock frequencies"
593	help
594	  (deprecated)
595	  Shows clock frequences by calling a sock_clk_dump() hook function.
596	  This is depreated in favour of using the CLK uclass and accessing
597	  clock values from associated drivers. However currently no command
598	  exists for this.
599
600config CMD_DEMO
601	bool "demo - Demonstration commands for driver model"
602	depends on DM
603	help
604	  Provides a 'demo' command which can be used to play around with
605	  driver model. To use this properly you will need to enable one or
606	  both of the demo devices (DM_DEMO_SHAPE and DM_DEMO_SIMPLE).
607	  Otherwise you will always get an empty list of devices. The demo
608	  devices are defined in the sandbox device tree, so the easiest
609	  option is to use sandbox and pass the -d point to sandbox's
610	  u-boot.dtb file.
611
612config CMD_DFU
613	bool "dfu"
614	select DFU
615	help
616	  Enables the command "dfu" which is used to have U-Boot create a DFU
617	  class device via USB. This command requires that the "dfu_alt_info"
618	  environment variable be set and define the alt settings to expose to
619	  the host.
620
621config CMD_DM
622	bool "dm - Access to driver model information"
623	depends on DM
624	default y
625	help
626	  Provides access to driver model data structures and information,
627	  such as a list of devices, list of uclasses and the state of each
628	  device (e.g. activated). This is not required for operation, but
629	  can be useful to see the state of driver model for debugging or
630	  interest.
631
632config CMD_FDC
633	bool "fdcboot - Boot from floppy device"
634	help
635	  The 'fdtboot' command allows booting an image from a floppy disk.
636
637config CMD_FLASH
638	bool "flinfo, erase, protect"
639	default y
640	help
641	  NOR flash support.
642	    flinfo - print FLASH memory information
643	    erase - FLASH memory
644	    protect - enable or disable FLASH write protection
645
646config CMD_FPGA
647	bool "fpga"
648	depends on FPGA
649	default y
650	help
651	  FPGA support.
652
653config CMD_FPGA_LOADBP
654	bool "fpga loadbp - load partial bitstream (Xilinx only)"
655	depends on CMD_FPGA
656	help
657	  Supports loading an FPGA device from a bitstream buffer containing
658	  a partial bitstream.
659
660config CMD_FPGA_LOADFS
661	bool "fpga loadfs - load bitstream from FAT filesystem (Xilinx only)"
662	depends on CMD_FPGA
663	help
664	  Supports loading an FPGA device from a FAT filesystem.
665
666config CMD_FPGA_LOADMK
667	bool "fpga loadmk - load bitstream from image"
668	depends on CMD_FPGA
669	help
670	  Supports loading an FPGA device from a image generated by mkimage.
671
672config CMD_FPGA_LOADP
673	bool "fpga loadp - load partial bitstream"
674	depends on CMD_FPGA
675	help
676	  Supports loading an FPGA device from a bitstream buffer containing
677	  a partial bitstream.
678
679config CMD_FPGAD
680	bool "fpgad - dump FPGA registers"
681	help
682	  (legacy, needs conversion to driver model)
683	  Provides a way to dump FPGA registers by calling the board-specific
684	  fpga_get_reg() function. This functions similarly to the 'md'
685	  command.
686
687config CMD_FUSE
688	bool "fuse - support for the fuse subssystem"
689	help
690	  (deprecated - needs conversion to driver model)
691	  This allows reading, sensing, programming or overriding fuses
692	  which control the behaviour of the device. The command uses the
693	  fuse_...() API.
694
695config CMD_GPIO
696	bool "gpio"
697	help
698	  GPIO support.
699
700config CMD_GPT
701	bool "GPT (GUID Partition Table) command"
702	select PARTITION_UUIDS
703	select EFI_PARTITION
704	select HAVE_BLOCK_DEVICE
705	imply RANDOM_UUID
706	help
707	  Enable the 'gpt' command to ready and write GPT style partition
708	  tables.
709
710config RANDOM_UUID
711	bool "GPT Random UUID generation"
712	select LIB_UUID
713	help
714	  Enable the generation of partitions with random UUIDs if none
715	  are provided.
716
717config CMD_GPT_RENAME
718	bool "GPT partition renaming commands"
719	depends on CMD_GPT
720	help
721	  Enables the 'gpt' command to interchange names on two GPT
722	  partitions via the 'gpt swap' command or to rename single
723	  partitions via the 'rename' command.
724
725config CMD_IDE
726	bool "ide - Support for IDE drivers"
727	select IDE
728	help
729	  Provides an 'ide' command which allows accessing the IDE drive,
730	  reseting the IDE interface, printing the partition table and
731	  geting device info. It also enables the 'diskboot' command which
732	  permits booting from an IDE drive.
733
734config CMD_IO
735	bool "io - Support for performing I/O accesses"
736	help
737	  Provides an 'iod' command to display I/O space and an 'iow' command
738	  to write values to the I/O space. This can be useful for manually
739	  checking the state of devices during boot when debugging device
740	  drivers, etc.
741
742config CMD_IOTRACE
743	bool "iotrace - Support for tracing I/O activity"
744	help
745	  Provides an 'iotrace' command which supports recording I/O reads and
746	  writes in a trace buffer in memory . It also maintains a checksum
747	  of the trace records (even if space is exhausted) so that the
748	  sequence of I/O accesses can be verified.
749
750	  When debugging drivers it is useful to see what I/O accesses were
751	  done and in what order.
752
753	  Even if the individual accesses are of little interest it can be
754	  useful to verify that the access pattern is consistent each time
755	  an operation is performed. In this case a checksum can be used to
756	  characterise the operation of a driver. The checksum can be compared
757	  across different runs of the operation to verify that the driver is
758	  working properly.
759
760	  In particular, when performing major refactoring of the driver, where
761	  the access pattern should not change, the checksum provides assurance
762	  that the refactoring work has not broken the driver.
763
764	  This works by sneaking into the io.h heder for an architecture and
765	  redirecting I/O accesses through iotrace's tracing mechanism.
766
767	  For now no commands are provided to examine the trace buffer. The
768	  format is fairly simple, so 'md' is a reasonable substitute.
769
770	  Note: The checksum feature is only useful for I/O regions where the
771	  contents do not change outside of software control. Where this is not
772	  suitable you can fall back to manually comparing the addresses. It
773	  might be useful to enhance tracing to only checksum the accesses and
774	  not the data read/written.
775
776config CMD_I2C
777	bool "i2c"
778	help
779	  I2C support.
780
781config CMD_LOADB
782	bool "loadb"
783	default n if ARCH_SUNXI
784	default y
785	help
786	  Load a binary file over serial line.
787
788config CMD_LOADS
789	bool "loads"
790	default n if ARCH_SUNXI
791	default y
792	help
793	  Load an S-Record file over serial line
794
795config CMD_MMC
796	bool "mmc"
797	help
798	  MMC memory mapped support.
799
800config CMD_NAND
801	bool "nand"
802	default y if NAND_SUNXI
803	help
804	  NAND support.
805
806if CMD_NAND
807config CMD_NAND_TRIMFFS
808	bool "nand write.trimffs"
809	default y if ARCH_SUNXI
810	help
811	  Allows one to skip empty pages when flashing something on a NAND.
812
813config CMD_NAND_LOCK_UNLOCK
814	bool "nand lock/unlock"
815	help
816	  NAND locking support.
817
818config CMD_NAND_TORTURE
819	bool "nand torture"
820	help
821	  NAND torture support.
822
823endif # CMD_NAND
824
825config CMD_NVME
826	bool "nvme"
827	depends on NVME
828	default y if NVME
829	help
830	  NVM Express device support
831
832config CMD_MMC_SPI
833	bool "mmc_spi - Set up MMC SPI device"
834	help
835	  Provides a way to set up an MMC (Multimedia Card) SPI (Serial
836	  Peripheral Interface) device. The device provides a means of
837	  accessing an MMC device via SPI using a single data line, limited
838	  to 20MHz. It is useful since it reduces the amount of protocol code
839	  required.
840
841config CMD_ONENAND
842	bool "onenand - access to onenand device"
843	help
844	  OneNAND is a brand of NAND ('Not AND' gate) flash which provides
845	  various useful features. This command allows reading, writing,
846	  and erasing blocks. It allso provides a way to show and change
847	  bad blocks, and test the device.
848
849config CMD_PART
850	bool "part"
851	select PARTITION_UUIDS
852	select HAVE_BLOCK_DEVICE
853	help
854	  Read and display information about the partition table on
855	  various media.
856
857config CMD_PCI
858	bool "pci - Access PCI devices"
859	help
860	  Provide access to PCI (Peripheral Interconnect Bus), a type of bus
861	  used on some devices to allow the CPU to communicate with its
862	  peripherals. Sub-commands allow bus enumeration, displaying and
863	  changing configuration space and a few other features.
864
865config CMD_PCMCIA
866	bool "pinit - Set up PCMCIA device"
867	help
868	  Provides a means to initialise a PCMCIA (Personal Computer Memory
869	  Card International Association) device. This is an old standard from
870	  about 1990. These devices are typically removable memory or network
871	  cards using a standard 68-pin connector.
872
873config CMD_READ
874	bool "read - Read binary data from a partition"
875	help
876	  Provides low-level access to the data in a partition.
877
878config CMD_REMOTEPROC
879	bool "remoteproc"
880	depends on REMOTEPROC
881	help
882	  Support for Remote Processor control
883
884config CMD_SATA
885	bool "sata - Access SATA subsystem"
886	select SATA
887	help
888	  SATA (Serial Advanced Technology Attachment) is a serial bus
889	  standard for connecting to hard drives and other storage devices.
890	  This command provides information about attached devices and allows
891	  reading, writing and other operations.
892
893	  SATA replaces PATA (originally just ATA), which stands for Parallel AT
894	  Attachment, where AT refers to an IBM AT (Advanced Technology)
895	  computer released in 1984.
896
897config CMD_SAVES
898	bool "saves - Save a file over serial in S-Record format"
899	help
900	  Provides a way to save a binary file using the Motorola S-Record
901	  format over the serial line.
902
903config CMD_SCSI
904	bool "scsi - Access to SCSI devices"
905	default y if SCSI
906	help
907	  This provides a 'scsi' command which provides access to SCSI (Small
908	  Computer System Interface) devices. The command provides a way to
909	  scan the bus, reset the bus, read and write data and get information
910	  about devices.
911
912config CMD_SDRAM
913	bool "sdram - Print SDRAM configuration information"
914	help
915	  Provides information about attached SDRAM. This assumed that the
916	  SDRAM has an EEPROM with information that can be read using the
917	  I2C bus. This is only available on some boards.
918
919config CMD_SF
920	bool "sf"
921	help
922	  SPI Flash support
923
924config CMD_SF_TEST
925	bool "sf test - Allow testing of SPI flash"
926	help
927	  Provides a way to test that SPI flash is working correctly. The
928	  test is destructive, in that an area of SPI flash must be provided
929	  for the test to use. Performance information is also provided,
930	  measuring the performance of reading, writing and erasing in
931	  Mbps (Million Bits Per Second). This value should approximately
932	  equal the SPI bus speed for a single-bit-wide SPI bus, assuming
933	  everything is working properly.
934
935config CMD_SPI
936	bool "sspi"
937	help
938	  SPI utility command.
939
940config CMD_TSI148
941	bool "tsi148 - Command to access tsi148 device"
942	help
943	  This provides various sub-commands to initialise and configure the
944	  Turndra tsi148 device. See the command help for full details.
945
946config CMD_UNIVERSE
947	bool "universe - Command to set up the Turndra Universe controller"
948	help
949	  This allows setting up the VMEbus provided by this controller.
950	  See the command help for full details.
951
952config CMD_USB
953	bool "usb"
954	select HAVE_BLOCK_DEVICE
955	help
956	  USB support.
957
958config CMD_USB_SDP
959	bool "sdp"
960	select USB_FUNCTION_SDP
961	help
962	  Enables the command "sdp" which is used to have U-Boot emulating the
963	  Serial Download Protocol (SDP) via USB.
964config CMD_ROCKUSB
965	bool "rockusb"
966	depends on USB_FUNCTION_ROCKUSB
967	help
968          Rockusb protocol is widely used by Rockchip SoC based devices. It can
969	  read/write info, image to/from devices. This enable rockusb command
970	  support to communication with rockusb device. for more detail about
971	  this command, please read doc/README.rockusb.
972
973config CMD_USB_MASS_STORAGE
974	bool "UMS usb mass storage"
975	select USB_FUNCTION_MASS_STORAGE
976	help
977	  USB mass storage support
978
979endmenu
980
981
982menu "Shell scripting commands"
983
984config CMD_ECHO
985	bool "echo"
986	default y
987	help
988	  Echo args to console
989
990config CMD_ITEST
991	bool "itest"
992	default y
993	help
994	  Return true/false on integer compare.
995
996config CMD_SOURCE
997	bool "source"
998	default y
999	help
1000	  Run script from memory
1001
1002config CMD_SETEXPR
1003	bool "setexpr"
1004	default y
1005	help
1006	  Evaluate boolean and math expressions and store the result in an env
1007	    variable.
1008	  Also supports loading the value at a memory location into a variable.
1009	  If CONFIG_REGEX is enabled, setexpr also supports a gsub function.
1010
1011endmenu
1012
1013menu "Network commands"
1014
1015if NET
1016
1017config CMD_NET
1018	bool "bootp, tftpboot"
1019	default y
1020	help
1021	  Network commands.
1022	  bootp - boot image via network using BOOTP/TFTP protocol
1023	  tftpboot - boot image via network using TFTP protocol
1024
1025config CMD_TFTPPUT
1026	bool "tftp put"
1027	help
1028	  TFTP put command, for uploading files to a server
1029
1030config CMD_TFTPSRV
1031	bool "tftpsrv"
1032	help
1033	  Act as a TFTP server and boot the first received file
1034
1035config CMD_RARP
1036	bool "rarpboot"
1037	help
1038	  Boot image via network using RARP/TFTP protocol
1039
1040config CMD_DHCP
1041	bool "dhcp"
1042	depends on CMD_NET
1043	help
1044	  Boot image via network using DHCP/TFTP protocol
1045
1046config CMD_PXE
1047	bool "pxe"
1048	depends on CMD_NET
1049	select MENU
1050	help
1051	  Boot image via network using PXE protocol
1052
1053config CMD_NFS
1054	bool "nfs"
1055	default y
1056	help
1057	  Boot image via network using NFS protocol.
1058
1059config CMD_MII
1060	bool "mii"
1061	help
1062	  Enable MII utility commands.
1063
1064config CMD_PING
1065	bool "ping"
1066	help
1067	  Send ICMP ECHO_REQUEST to network host
1068
1069config CMD_CDP
1070	bool "cdp"
1071	help
1072	  Perform CDP network configuration
1073
1074config CMD_SNTP
1075	bool "sntp"
1076	help
1077	  Synchronize RTC via network
1078
1079config CMD_DNS
1080	bool "dns"
1081	help
1082	  Lookup the IP of a hostname
1083
1084config CMD_LINK_LOCAL
1085	bool "linklocal"
1086	help
1087	  Acquire a network IP address using the link-local protocol
1088
1089config CMD_ETHSW
1090	bool "ethsw"
1091	help
1092	  Allow control of L2 Ethernet switch commands. These are supported
1093	  by the vsc9953 Ethernet driver at present. Sub-commands allow
1094	  operations such as enabling / disabling a port and
1095	  viewing/maintaining the filtering database (FDB)
1096
1097endif
1098
1099endmenu
1100
1101menu "Misc commands"
1102
1103config CMD_BMP
1104	bool "Enable 'bmp' command"
1105	depends on LCD || DM_VIDEO || VIDEO
1106	help
1107	  This provides a way to obtain information about a BMP-format iamge
1108	  and to display it. BMP (which presumably stands for BitMaP) is a
1109	  file format defined by Microsoft which supports images of various
1110	  depths, formats and compression methods. Headers on the file
1111	  determine the formats used. This command can be used by first loading
1112	  the image into RAM, then using this command to look at it or display
1113	  it.
1114
1115config CMD_BSP
1116	bool "Enable board-specific commands"
1117	help
1118	  (deprecated: instead, please define a Kconfig option for each command)
1119
1120	  Some boards have board-specific commands which are only enabled
1121	  during developemnt and need to be turned off for production. This
1122	  option provides a way to control this. The commands that are enabled
1123	  vary depending on the board.
1124
1125config CMD_BKOPS_ENABLE
1126	bool "mmc bkops enable"
1127	depends on CMD_MMC
1128	default n
1129	help
1130	  Enable command for setting manual background operations handshake
1131	  on a eMMC device. The feature is optionally available on eMMC devices
1132	  conforming to standard >= 4.41.
1133
1134config CMD_BLOCK_CACHE
1135	bool "blkcache - control and stats for block cache"
1136	depends on BLOCK_CACHE
1137	default y if BLOCK_CACHE
1138	help
1139	  Enable the blkcache command, which can be used to control the
1140	  operation of the cache functions.
1141	  This is most useful when fine-tuning the operation of the cache
1142	  during development, but also allows the cache to be disabled when
1143	  it might hurt performance (e.g. when using the ums command).
1144
1145config CMD_CACHE
1146	bool "icache or dcache"
1147	help
1148	  Enable the "icache" and "dcache" commands
1149
1150config CMD_DISPLAY
1151	bool "Enable the 'display' command, for character displays"
1152	help
1153	  (this needs porting to driver model)
1154	  This enables the 'display' command which allows a string to be
1155	  displayed on a simple board-specific display. Implement
1156	  display_putc() to use it.
1157
1158config CMD_LED
1159	bool "led"
1160	default y if LED
1161	help
1162	  Enable the 'led' command which allows for control of LEDs supported
1163	  by the board. The LEDs can be listed with 'led list' and controlled
1164	  with led on/off/togle/blink. Any LED drivers can be controlled with
1165	  this command, e.g. led_gpio.
1166
1167config CMD_DATE
1168	bool "date"
1169	default y if DM_RTC
1170	help
1171	  Enable the 'date' command for getting/setting the time/date in RTC
1172	  devices.
1173
1174config CMD_TIME
1175	bool "time"
1176	help
1177	  Run commands and summarize execution time.
1178
1179config CMD_GETTIME
1180	bool "gettime - read elapsed time"
1181	help
1182	  Enable the 'gettime' command which reads the elapsed time since
1183	  U-Boot started running. This shows the time in seconds and
1184	  milliseconds. See also the 'bootstage' command which provides more
1185	  flexibility for boot timing.
1186
1187# TODO: rename to CMD_SLEEP
1188config CMD_MISC
1189	bool "sleep"
1190	default n if ARCH_SUNXI
1191	default y
1192	help
1193	  Delay execution for some time
1194
1195config CMD_TIMER
1196	bool "timer"
1197	help
1198	  Access the system timer.
1199
1200config CMD_SOUND
1201	bool "sound"
1202	depends on SOUND
1203	help
1204	  This provides basic access to the U-Boot's sound support. The main
1205	  feature is to play a beep.
1206
1207	     sound init   - set up sound system
1208	     sound play   - play a sound
1209
1210config CMD_QFW
1211	bool "qfw"
1212	select QFW
1213	help
1214	  This provides access to the QEMU firmware interface.  The main
1215	  feature is to allow easy loading of files passed to qemu-system
1216	  via -kernel / -initrd
1217
1218source "cmd/mvebu/Kconfig"
1219
1220config CMD_TERMINAL
1221	bool "terminal - provides a way to attach a serial terminal"
1222	help
1223	  Provides a 'cu'-like serial terminal command. This can be used to
1224	  access other serial ports from the system console. The terminal
1225	  is very simple with no special processing of characters. As with
1226	  cu, you can press ~. (tilde followed by period) to exit.
1227
1228config CMD_UUID
1229	bool "uuid, guid - generation of unique IDs"
1230	select LIB_UUID
1231	help
1232	  This enables two commands:
1233
1234	     uuid - generate random Universally Unique Identifier
1235	     guid - generate Globally Unique Identifier based on random UUID
1236
1237	  The two commands are very similar except for the endianness of the
1238	  output.
1239
1240endmenu
1241
1242source "cmd/ti/Kconfig"
1243
1244config CMD_BOOTSTAGE
1245	bool "Enable the 'bootstage' command"
1246	depends on BOOTSTAGE
1247	help
1248	  Add a 'bootstage' command which supports printing a report
1249	  and un/stashing of bootstage data.
1250
1251menu "Power commands"
1252config CMD_PMIC
1253	bool "Enable Driver Model PMIC command"
1254	depends on DM_PMIC
1255	help
1256	  This is the pmic command, based on a driver model pmic's API.
1257	  Command features are unchanged:
1258	  - list               - list pmic devices
1259	  - pmic dev <id>      - show or [set] operating pmic device (NEW)
1260	  - pmic dump          - dump registers
1261	  - pmic read address  - read byte of register at address
1262	  - pmic write address - write byte to register at address
1263	  The only one change for this command is 'dev' subcommand.
1264
1265config CMD_REGULATOR
1266	bool "Enable Driver Model REGULATOR command"
1267	depends on DM_REGULATOR
1268	help
1269	  This command is based on driver model regulator's API.
1270	  User interface features:
1271	  - list               - list regulator devices
1272	  - regulator dev <id> - show or [set] operating regulator device
1273	  - regulator info     - print constraints info
1274	  - regulator status   - print operating status
1275	  - regulator value <val] <-f> - print/[set] voltage value [uV]
1276	  - regulator current <val>    - print/[set] current value [uA]
1277	  - regulator mode <id>        - print/[set] operating mode id
1278	  - regulator enable           - enable the regulator output
1279	  - regulator disable          - disable the regulator output
1280
1281	  The '-f' (force) option can be used for set the value which exceeds
1282	  the limits, which are found in device-tree and are kept in regulator's
1283	  uclass platdata structure.
1284
1285endmenu
1286
1287menu "Security commands"
1288config CMD_AES
1289	bool "Enable the 'aes' command"
1290	select AES
1291	help
1292	  This provides a means to encrypt and decrypt data using the AES
1293	  (Advanced Encryption Standard). This algorithm uses a symetric key
1294	  and is widely used as a streaming cipher. Different key lengths are
1295	  supported by the algorithm but this command only supports 128 bits
1296	  at present.
1297
1298config CMD_BLOB
1299	bool "Enable the 'blob' command"
1300	help
1301	  This is used with the Freescale secure boot mechanism.
1302
1303	  Freescale's SEC block has built-in Blob Protocol which provides
1304	  a method for protecting user-defined data across system power
1305	  cycles. SEC block protects data in a data structure called a Blob,
1306	  which provides both confidentiality and integrity protection.
1307
1308	  Encapsulating data as a blob
1309	  Each time that the Blob Protocol is used to protect data, a
1310	  different randomly generated key is used to encrypt the data.
1311	  This random key is itself encrypted using a key which is derived
1312	  from SoC's non-volatile secret key and a 16 bit Key identifier.
1313	  The resulting encrypted key along with encrypted data is called a
1314	  blob. The non-volatile secure key is available for use only during
1315	  secure boot.
1316
1317	  During decapsulation, the reverse process is performed to get back
1318	  the original data.
1319
1320	  Sub-commands:
1321            blob enc - encapsulating data as a cryptgraphic blob
1322	    blob dec - decapsulating cryptgraphic blob to get the data
1323
1324	  Syntax:
1325
1326	  blob enc src dst len km
1327
1328	  Encapsulate and create blob of data $len bytes long
1329	  at address $src and store the result at address $dst.
1330	  $km is the 16 byte key modifier is also required for
1331	  generation/use as key for cryptographic operation. Key
1332	  modifier should be 16 byte long.
1333
1334	  blob dec src dst len km
1335
1336	  Decapsulate the  blob of data at address $src and
1337	  store result of $len byte at addr $dst.
1338	  $km is the 16 byte key modifier is also required for
1339	  generation/use as key for cryptographic operation. Key
1340	  modifier should be 16 byte long.
1341
1342config CMD_HASH
1343	bool "Support 'hash' command"
1344	select HASH
1345	help
1346	  This provides a way to hash data in memory using various supported
1347	  algorithms (such as SHA1, MD5, CRC32). The computed digest can be
1348	  saved to memory or to an environment variable. It is also possible
1349	  to verify a hash against data in memory.
1350
1351config HASH_VERIFY
1352	bool "hash -v"
1353	depends on CMD_HASH
1354	help
1355	  Add -v option to verify data against a hash.
1356
1357config CMD_TPM
1358	bool "Enable the 'tpm' command"
1359	depends on TPM
1360	help
1361	  This provides a means to talk to a TPM from the command line. A wide
1362	  range of commands if provided - see 'tpm help' for details. The
1363	  command requires a suitable TPM on your board and the correct driver
1364	  must be enabled.
1365
1366config CMD_TPM_TEST
1367	bool "Enable the 'tpm test' command"
1368	depends on CMD_TPM
1369	help
1370	  This provides a a series of tests to confirm that the TPM is working
1371	  correctly. The tests cover initialisation, non-volatile RAM, extend,
1372	  global lock and checking that timing is within expectations. The
1373	  tests pass correctly on Infineon TPMs but may need to be adjusted
1374	  for other devices.
1375
1376endmenu
1377
1378menu "Firmware commands"
1379config CMD_CROS_EC
1380	bool "Enable crosec command"
1381	depends on CROS_EC
1382	default y
1383	help
1384	  Enable command-line access to the Chrome OS EC (Embedded
1385	  Controller). This provides the 'crosec' command which has
1386	  a number of sub-commands for performing EC tasks such as
1387	  updating its flash, accessing a small saved context area
1388	  and talking to the I2C bus behind the EC (if there is one).
1389endmenu
1390
1391menu "Filesystem commands"
1392config CMD_BTRFS
1393	bool "Enable the 'btrsubvol' command"
1394	select FS_BTRFS
1395	help
1396	  This enables the 'btrsubvol' command to list subvolumes
1397	  of a BTRFS filesystem. There are no special commands for
1398	  listing BTRFS directories or loading BTRFS files - this
1399	  can be done by the generic 'fs' commands (see CMD_FS_GENERIC)
1400	  when BTRFS is enabled (see FS_BTRFS).
1401
1402config CMD_CBFS
1403	bool "Enable the 'cbfs' command"
1404	depends on FS_CBFS
1405	help
1406	  Define this to enable support for reading from a Coreboot
1407	  filesystem. This is a ROM-based filesystem used for accessing files
1408	  on systems that use coreboot as the first boot-loader and then load
1409	  U-Boot to actually boot the Operating System. Available commands are
1410	  cbfsinit, cbfsinfo, cbfsls and cbfsload.
1411
1412config CMD_CRAMFS
1413	bool "Enable the 'cramfs' command"
1414	depends on FS_CRAMFS
1415	help
1416	  This provides commands for dealing with CRAMFS (Compressed ROM
1417	  filesystem). CRAMFS is useful when space is tight since files are
1418	  compressed. Two commands are provided:
1419
1420	     cramfsls   - lists files in a cramfs image
1421	     cramfsload - loads a file from a cramfs image
1422
1423config CMD_EXT2
1424	bool "ext2 command support"
1425	select FS_EXT4
1426	help
1427	  Enables EXT2 FS command
1428
1429config CMD_EXT4
1430	bool "ext4 command support"
1431	select FS_EXT4
1432	help
1433	  Enables EXT4 FS command
1434
1435config CMD_EXT4_WRITE
1436	depends on CMD_EXT4
1437	bool "ext4 write command support"
1438	select EXT4_WRITE
1439	help
1440	  Enables EXT4 FS write command
1441
1442config CMD_FAT
1443	bool "FAT command support"
1444	select FS_FAT
1445	help
1446	  Support for the FAT fs
1447
1448config CMD_FS_GENERIC
1449	bool "filesystem commands"
1450	help
1451	  Enables filesystem commands (e.g. load, ls) that work for multiple
1452	  fs types.
1453
1454config CMD_FS_UUID
1455	bool "fsuuid command"
1456	help
1457	  Enables fsuuid command for filesystem UUID.
1458
1459config CMD_JFFS2
1460	bool "jffs2 command"
1461	select FS_JFFS2
1462	help
1463	  Enables commands to support the JFFS2 (Journalling Flash File System
1464	  version 2) filesystem. This enables fsload, ls and fsinfo which
1465	  provide the ability to load files, list directories and obtain
1466	  filesystem information.
1467
1468config CMD_MTDPARTS
1469	bool "MTD partition support"
1470	help
1471	  MTD partition support
1472
1473config MTDIDS_DEFAULT
1474	string "Default MTD IDs"
1475	depends on CMD_MTDPARTS || CMD_NAND || CMD_FLASH
1476	help
1477	  Defines a default MTD IDs list for use with MTD partitions in the
1478	  Linux MTD command line partitions format.
1479
1480config MTDPARTS_DEFAULT
1481	string "Default MTD partition scheme"
1482	depends on CMD_MTDPARTS || CMD_NAND || CMD_FLASH
1483	help
1484	  Defines a default MTD partitioning scheme in the Linux MTD command
1485	  line partitions format
1486
1487config CMD_MTDPARTS_SPREAD
1488	bool "Padd partition size to take account of bad blocks"
1489	depends on CMD_MTDPARTS
1490	help
1491	  This enables the 'spread' sub-command of the mtdparts command.
1492	  This command will modify the existing mtdparts variable by increasing
1493	  the size of the partitions such that 1) each partition's net size is
1494	  at least as large as the size specified in the mtdparts variable and
1495	  2) each partition starts on a good block.
1496
1497config CMD_REISER
1498	bool "reiser - Access to reiserfs filesystems"
1499	help
1500	  This provides two commands which operate on a resierfs filesystem,
1501	  commonly used some years ago:
1502
1503	    reiserls - list files
1504	    reiserload - load a file
1505
1506config CMD_YAFFS2
1507	bool "yaffs2 - Access of YAFFS2 filesystem"
1508	depends on YAFFS2
1509	default y
1510	help
1511	  This provides commands for accessing a YAFFS2 filesystem. Yet
1512	  Another Flash Filesystem 2 is a filesystem designed specifically
1513	  for NAND flash. It incorporates bad-block management and ensures
1514	  that device writes are sequential regardless of filesystem
1515	  activity.
1516
1517config CMD_ZFS
1518	bool "zfs - Access of ZFS filesystem"
1519	help
1520	  This provides commands to accessing a ZFS filesystem, commonly used
1521	  on Solaris systems. Two sub-commands are provided:
1522
1523	    zfsls - list files in a directory
1524	    zfsload - load a file
1525
1526	  See doc/README.zfs for more details.
1527
1528endmenu
1529
1530menu "Debug commands"
1531
1532config CMD_BEDBUG
1533	bool "bedbug"
1534	help
1535	  The bedbug (emBEDded deBUGger) command provides debugging features
1536	  for some PowerPC processors. For details please see the
1537	  docuemntation in doc/README.beddbug
1538
1539config CMD_DIAG
1540	bool "diag - Board diagnostics"
1541	help
1542	  This command provides access to board diagnostic tests. These are
1543	  called Power-on Self Tests (POST). The command allows listing of
1544	  available tests and running either all the tests, or specific tests
1545	  identified by name.
1546
1547config CMD_IRQ
1548	bool "irq - Show information about interrupts"
1549	depends on !ARM && !MIPS && !SH
1550	help
1551	  This enables two commands:
1552
1553	     interrupts - enable or disable interrupts
1554	     irqinfo - print device-specific interrupt information
1555
1556config CMD_KGDB
1557	bool "kgdb - Allow debugging of U-Boot with gdb"
1558	help
1559	  This enables a 'kgdb' command which allows gdb to connect to U-Boot
1560	  over a serial link for debugging purposes. This allows
1561	  single-stepping, inspecting variables, etc. This is supported only
1562	  on PowerPC at present.
1563
1564config CMD_LOG
1565	bool "log - Generation, control and access to logging"
1566	help
1567	  This provides access to logging features. It allows the output of
1568	  log data to be controlled to a limited extent (setting up the default
1569	  maximum log level for emitting of records). It also provides access
1570	  to a command used for testing the log system.
1571
1572config CMD_TRACE
1573	bool "trace - Support tracing of function calls and timing"
1574	help
1575	  Enables a command to control using of function tracing within
1576	  U-Boot. This allows recording of call traces including timing
1577	  information. The command can write data to memory for exporting
1578	  for analsys (e.g. using bootchart). See doc/README.trace for full
1579	  details.
1580
1581endmenu
1582
1583config CMD_UBI
1584	tristate "Enable UBI - Unsorted block images commands"
1585	select CRC32
1586	select MTD_UBI
1587	select CMD_MTDPARTS
1588	default y if NAND_SUNXI
1589	help
1590	  UBI is a software layer above MTD layer which admits use of LVM-like
1591	  logical volumes on top of MTD devices, hides some complexities of
1592	  flash chips like wear and bad blocks and provides some other useful
1593	  capabilities. Please, consult the MTD web site for more details
1594	  (www.linux-mtd.infradead.org). Activate this option if you want
1595	  to use U-Boot UBI commands.
1596
1597config CMD_UBIFS
1598	tristate "Enable UBIFS - Unsorted block images filesystem commands"
1599	depends on CMD_UBI
1600	select CRC32
1601	select LZO
1602	default y if CMD_UBI
1603	help
1604	  UBIFS is a file system for flash devices which works on top of UBI.
1605
1606endmenu
1607