blob: 089348af7397038585c7b6a81bb372ef0096e580 [file] [log] [blame]
Masahiro Yamadaf3e12b72014-09-16 16:32:58 +09001menu "Library routines"
2
Marek Szyprowski795dc7d2020-06-03 14:43:40 +02003config ADDR_MAP
4 bool "Enable support for non-identity virtual-physical mappings"
5 help
6 Enables helper code for implementing non-identity virtual-physical
7 memory mappings for 32bit CPUs.
8
9config SYS_NUM_ADDR_MAP
10 int "Size of the address-map table"
11 depends on ADDR_MAP
12 default 16
13 help
14 Sets the number of entries in the virtual-physical mapping table.
15
Adam Ford02bf5362017-08-11 09:46:05 -050016config BCH
17 bool "Enable Software based BCH ECC"
18 help
19 Enables software based BCH ECC algorithm present in lib/bch.c
20 This is used by SoC platforms which do not have built-in ELM
21 hardware engine required for BCH ECC correction.
22
Simon Glassdd7fb9b2019-12-06 21:41:34 -070023config BINMAN_FDT
24 bool "Allow access to binman information in the device tree"
25 depends on BINMAN && OF_CONTROL
26 default y
27 help
28 This enables U-Boot to access information about binman entries,
29 stored in the device tree in a binman node. Typical uses are to
30 locate entries in the firmware image. See binman.h for the available
31 functionality.
32
Masahiro Yamada3f053fe2014-09-16 16:32:59 +090033config CC_OPTIMIZE_LIBS_FOR_SPEED
34 bool "Optimize libraries for speed"
35 help
36 Enabling this option will pass "-O2" to gcc when compiling
37 under "lib" directory.
38
39 If unsure, say N.
40
Faiz Abbas6199fb12018-02-06 19:15:58 +053041config DYNAMIC_CRC_TABLE
42 bool "Enable Dynamic tables for CRC"
43 help
44 Enable this option to calculate entries for CRC tables at runtime.
45 This can be helpful when reducing the size of the build image
46
Bin Mengb95e9db2018-10-15 02:21:15 -070047config HAVE_ARCH_IOMAP
48 bool
49 help
50 Enable this option if architecture provides io{read,write}{8,16,32}
51 I/O accessor functions.
52
Masahiro Yamada9520b712014-10-24 01:30:43 +090053config HAVE_PRIVATE_LIBGCC
54 bool
55
Adam Ford70c8f052018-02-06 12:14:28 -060056config LIB_UUID
57 bool
58
Alex Kiernan5b404282018-04-19 04:32:54 +000059config PRINTF
60 bool
61 default y
62
63config SPL_PRINTF
64 bool
65 select SPL_SPRINTF
Simon Glass7611ac62019-09-25 08:56:27 -060066 select SPL_STRTO if !SPL_USE_TINY_PRINTF
Alex Kiernan5b404282018-04-19 04:32:54 +000067
68config TPL_PRINTF
69 bool
70 select TPL_SPRINTF
Simon Glass7611ac62019-09-25 08:56:27 -060071 select TPL_STRTO if !TPL_USE_TINY_PRINTF
Alex Kiernan5b404282018-04-19 04:32:54 +000072
73config SPRINTF
74 bool
75 default y
76
77config SPL_SPRINTF
78 bool
79
80config TPL_SPRINTF
81 bool
82
83config STRTO
84 bool
85 default y
86
87config SPL_STRTO
88 bool
89
90config TPL_STRTO
91 bool
92
Alex Kiernanc568bcb2018-05-29 15:30:52 +000093config IMAGE_SPARSE
94 bool
95
96config IMAGE_SPARSE_FILLBUF_SIZE
97 hex "Android sparse image CHUNK_TYPE_FILL buffer size"
98 default 0x80000
99 depends on IMAGE_SPARSE
100 help
101 Set the size of the fill buffer used when processing CHUNK_TYPE_FILL
102 chunks.
103
Masahiro Yamada9520b712014-10-24 01:30:43 +0900104config USE_PRIVATE_LIBGCC
105 bool "Use private libgcc"
106 depends on HAVE_PRIVATE_LIBGCC
Marek Vasut4e0126e2016-05-26 18:01:47 +0200107 default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS)
Masahiro Yamada9520b712014-10-24 01:30:43 +0900108 help
109 This option allows you to use the built-in libgcc implementation
Masahiro Yamada1c6a5e42016-03-30 20:17:42 +0900110 of U-Boot instead of the one provided by the compiler.
Masahiro Yamada9520b712014-10-24 01:30:43 +0900111 If unsure, say N.
112
Masahiro Yamadae301fa02014-10-24 01:30:40 +0900113config SYS_HZ
114 int
115 default 1000
116 help
117 The frequency of the timer returned by get_timer().
118 get_timer() must operate in milliseconds and this option must be
119 set to 1000.
120
Simon Glass7611ac62019-09-25 08:56:27 -0600121config SPL_USE_TINY_PRINTF
Thomas Hebb0c12fb52019-11-10 08:23:53 -0800122 bool "Enable tiny printf() version in SPL"
Simon Glass7611ac62019-09-25 08:56:27 -0600123 depends on SPL
Tom Rinid0502b72019-06-08 12:46:18 -0400124 default y
Stefan Roese363ab7b2015-11-23 07:00:22 +0100125 help
126 This option enables a tiny, stripped down printf version.
127 This should only be used in space limited environments,
128 like SPL versions with hard memory limits. This version
129 reduces the code size by about 2.5KiB on armv7.
130
131 The supported format specifiers are %c, %s, %u/%d and %x.
132
Simon Glass7611ac62019-09-25 08:56:27 -0600133config TPL_USE_TINY_PRINTF
Thomas Hebb0c12fb52019-11-10 08:23:53 -0800134 bool "Enable tiny printf() version in TPL"
Simon Glass7611ac62019-09-25 08:56:27 -0600135 depends on TPL
136 default y if SPL_USE_TINY_PRINTF
137 help
138 This option enables a tiny, stripped down printf version.
139 This should only be used in space limited environments,
140 like SPL versions with hard memory limits. This version
141 reduces the code size by about 2.5KiB on armv7.
142
143 The supported format specifiers are %c, %s, %u/%d and %x.
144
Masahiro Yamadaacede7a2017-12-04 12:37:00 +0900145config PANIC_HANG
146 bool "Do not reset the system on fatal error"
147 help
148 Define this option to stop the system in case of a fatal error,
149 so that you have to reset it manually. This is probably NOT a good
150 idea for an embedded system where you want the system to reboot
151 automatically as fast as possible, but it may be useful during
152 development since you can try to debug the conditions that lead to
153 the situation.
154
Joe Hershberger937d3e82015-04-21 17:02:42 -0500155config REGEX
156 bool "Enable regular expression support"
Joe Hershberger8ab8b722015-06-22 17:57:36 -0500157 default y if NET
Joe Hershberger937d3e82015-04-21 17:02:42 -0500158 help
159 If this variable is defined, U-Boot is linked against the
160 SLRE (Super Light Regular Expression) library, which adds
161 regex support to some commands, for example "env grep" and
162 "setexpr".
163
Adam Ford38003a62018-02-06 10:18:18 -0600164choice
165 prompt "Pseudo-random library support type"
Heinrich Schuchardtb2e67a22020-01-19 19:28:12 +0100166 depends on NET_RANDOM_ETHADDR || RANDOM_UUID || CMD_UUID || \
167 RNG_SANDBOX || UT_LIB && AES
Adam Ford38003a62018-02-06 10:18:18 -0600168 default LIB_RAND
Masahiro Yamada2743c072015-06-11 19:16:43 +0900169 help
Adam Ford38003a62018-02-06 10:18:18 -0600170 Select the library to provide pseudo-random number generator
171 functions. LIB_HW_RAND supports certain hardware engines that
172 provide this functionality. If in doubt, select LIB_RAND.
173
174config LIB_RAND
175 bool "Pseudo-random library support"
176
177config LIB_HW_RAND
Marcin Juszkiewicza360c2c2020-05-26 19:07:15 +0200178 bool "HW Engine for random library support"
Adam Ford38003a62018-02-06 10:18:18 -0600179
180endchoice
Michal Simek2c1b1db2015-05-25 11:37:22 +0200181
Simon Glasse2f94ae2017-04-02 09:50:28 -0600182config SPL_TINY_MEMSET
183 bool "Use a very small memset() in SPL"
184 help
185 The faster memset() is the arch-specific one (if available) enabled
186 by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get
187 better performance by writing a word at a time. But in very
Chris Packham1c3b7ba2019-01-13 22:13:28 +1300188 size-constrained environments even this may be too big. Enable this
Simon Glasse2f94ae2017-04-02 09:50:28 -0600189 option to reduce code size slightly at the cost of some speed.
190
Philipp Tomsichfefc4ec2017-08-03 22:52:04 +0200191config TPL_TINY_MEMSET
192 bool "Use a very small memset() in TPL"
193 help
194 The faster memset() is the arch-specific one (if available) enabled
195 by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get
196 better performance by writing a word at a time. But in very
Chris Packham1c3b7ba2019-01-13 22:13:28 +1300197 size-constrained environments even this may be too big. Enable this
Philipp Tomsichfefc4ec2017-08-03 22:52:04 +0200198 option to reduce code size slightly at the cost of some speed.
199
Boris Brezillon627dc182017-02-27 18:22:05 +0100200config RBTREE
201 bool
202
Nandor Hand5ea84a2017-11-08 15:35:14 +0000203config BITREVERSE
204 bool "Bit reverse library from Linux"
205
Simon Glassbfce7fc2019-04-08 13:20:51 -0600206config TRACE
207 bool "Support for tracing of function calls and timing"
208 imply CMD_TRACE
209 help
210 Enables function tracing within U-Boot. This allows recording of call
211 traces including timing information. The command can write data to
212 memory for exporting for analysis (e.g. using bootchart).
213 See doc/README.trace for full details.
214
Simon Glass445078e2019-04-08 13:20:52 -0600215config TRACE_BUFFER_SIZE
216 hex "Size of trace buffer in U-Boot"
217 depends on TRACE
218 default 0x01000000
219 help
220 Sets the size of the trace buffer in U-Boot. This is allocated from
221 memory during relocation. If this buffer is too small, the trace
222 history will be truncated, with later records omitted.
223
224 If early trace is enabled (i.e. before relocation), this buffer must
225 be large enough to include all the data from the early trace buffer as
226 well, since this is copied over to the main buffer during relocation.
227
228 A trace record is emitted for each function call and each record is
229 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If
230 the size is too small then 'trace stats' will show a message saying
231 how many records were dropped due to buffer overflow.
232
Heinrich Schuchardtc1a73792019-06-02 13:30:09 +0200233config TRACE_CALL_DEPTH_LIMIT
234 int "Trace call depth limit"
235 depends on TRACE
236 default 15
237 help
238 Sets the maximum call depth up to which function calls are recorded.
239
Simon Glass445078e2019-04-08 13:20:52 -0600240config TRACE_EARLY
241 bool "Enable tracing before relocation"
242 depends on TRACE
243 help
244 Sometimes it is helpful to trace execution of U-Boot before
245 relocation. This is possible by using a arch-specific, fixed buffer
246 position in memory. Enable this option to start tracing as early as
247 possible after U-Boot starts.
248
249config TRACE_EARLY_SIZE
250 hex "Size of early trace buffer in U-Boot"
251 depends on TRACE_EARLY
252 default 0x00100000
253 help
254 Sets the size of the early trace buffer in bytes. This is used to hold
255 tracing information before relocation.
256
Heinrich Schuchardtc1a73792019-06-02 13:30:09 +0200257config TRACE_EARLY_CALL_DEPTH_LIMIT
258 int "Early trace call depth limit"
259 depends on TRACE_EARLY
260 default 200
261 help
262 Sets the maximum call depth up to which function calls are recorded
263 during early tracing.
264
Simon Glass445078e2019-04-08 13:20:52 -0600265config TRACE_EARLY_ADDR
266 hex "Address of early trace buffer in U-Boot"
267 depends on TRACE_EARLY
268 default 0x00100000
269 help
270 Sets the address of the early trace buffer in U-Boot. This memory
271 must be accessible before relocation.
272
273 A trace record is emitted for each function call and each record is
274 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If
275 the size is too small then the message which says the amount of early
276 data being coped will the the same as the
277
Simon Glass99dbe4b2015-06-23 15:38:23 -0600278source lib/dhry/Kconfig
279
Simon Glass528fdd12017-04-26 22:27:49 -0600280menu "Security support"
281
282config AES
283 bool "Support the AES algorithm"
284 help
285 This provides a means to encrypt and decrypt data using the AES
286 (Advanced Encryption Standard). This algorithm uses a symetric key
287 and is widely used as a streaming cipher. Different key lengths are
288 supported by the algorithm but only a 128-bit key is supported at
289 present.
290
Ruchika Gupta4acd8c42015-01-23 16:01:56 +0530291source lib/rsa/Kconfig
AKASHI Takahiro591535c2019-11-13 09:45:00 +0900292source lib/crypto/Kconfig
Ruchika Gupta2c3822e2015-01-23 16:01:51 +0530293
Simon Glass350497c2015-08-22 18:31:19 -0600294config TPM
295 bool "Trusted Platform Module (TPM) Support"
Simon Glasscf294b02015-10-03 06:39:36 -0600296 depends on DM
Simon Glass350497c2015-08-22 18:31:19 -0600297 help
298 This enables support for TPMs which can be used to provide security
299 features for your board. The TPM can be connected via LPC or I2C
300 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
301 command to interactive the TPM. Driver model support is provided
302 for the low-level TPM interface, but only one TPM is supported at
303 a time by the TPM library.
304
Simon Glass93a45b12018-10-01 12:22:19 -0600305config SPL_TPM
306 bool "Trusted Platform Module (TPM) Support in SPL"
307 depends on SPL_DM
308 help
309 This enables support for TPMs which can be used to provide security
310 features for your board. The TPM can be connected via LPC or I2C
311 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
312 command to interactive the TPM. Driver model support is provided
313 for the low-level TPM interface, but only one TPM is supported at
314 a time by the TPM library.
315
316config TPL_TPM
317 bool "Trusted Platform Module (TPM) Support in TPL"
318 depends on TPL_DM
319 help
320 This enables support for TPMs which can be used to provide security
321 features for your board. The TPM can be connected via LPC or I2C
322 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
323 command to interactive the TPM. Driver model support is provided
324 for the low-level TPM interface, but only one TPM is supported at
325 a time by the TPM library.
326
Simon Glass528fdd12017-04-26 22:27:49 -0600327endmenu
328
Igor Opaniuk525d1d82018-06-03 21:56:37 +0300329menu "Android Verified Boot"
330
331config LIBAVB
332 bool "Android Verified Boot 2.0 support"
333 depends on ANDROID_BOOT_IMAGE
334 default n
335 help
336 This enables support of Android Verified Boot 2.0 which can be used
337 to assure the end user of the integrity of the software running on a
338 device. Introduces such features as boot chain of trust, rollback
339 protection etc.
340
341endmenu
342
gaurav ranaef201592015-02-20 12:51:46 +0530343menu "Hashing Support"
344
345config SHA1
346 bool "Enable SHA1 support"
347 help
348 This option enables support of hashing using SHA1 algorithm.
349 The hash is calculated in software.
350 The SHA1 algorithm produces a 160-bit (20-byte) hash value
351 (digest).
352
353config SHA256
354 bool "Enable SHA256 support"
355 help
356 This option enables support of hashing using SHA256 algorithm.
357 The hash is calculated in software.
358 The SHA256 algorithm produces a 256-bit (32-byte) hash value
359 (digest).
360
Reuben Dowle1908fd92020-04-16 17:36:52 +1200361config SHA512_ALGO
362 bool "Enable SHA512 algorithm"
363 help
364 This option enables support of internal SHA512 algorithm.
365
366config SHA512
367 bool "Enable SHA512 support"
368 depends on SHA512_ALGO
369 help
370 This option enables support of hashing using SHA512 algorithm.
371 The hash is calculated in software.
372 The SHA512 algorithm produces a 512-bit (64-byte) hash value
373 (digest).
374
375config SHA384
376 bool "Enable SHA384 support"
377 depends on SHA512_ALGO
378 help
379 This option enables support of hashing using SHA384 algorithm.
380 The hash is calculated in software.
381 The SHA384 algorithm produces a 384-bit (48-byte) hash value
382 (digest).
383
gaurav ranaef201592015-02-20 12:51:46 +0530384config SHA_HW_ACCEL
385 bool "Enable hashing using hardware"
386 help
387 This option enables hardware acceleration
388 for SHA1/SHA256 hashing.
389 This affects the 'hash' command and also the
390 hash_lookup_algo() function.
391
392config SHA_PROG_HW_ACCEL
393 bool "Enable Progressive hashing support using hardware"
394 depends on SHA_HW_ACCEL
395 help
396 This option enables hardware-acceleration for
397 SHA1/SHA256 progressive hashing.
398 Data can be streamed in a block at a time and the hashing
399 is performed in hardware.
Andre Przywaraf0fa1132017-03-15 01:19:05 +0000400
401config MD5
Simon Glassd33d0db2020-05-06 08:03:56 -0600402 bool "Support MD5 algorithm"
403 help
404 This option enables MD5 support. MD5 is an algorithm designed
405 in 1991 that produces a 16-byte digest (or checksum) from its input
406 data. It has a number of vulnerabilities which preclude its use in
407 security applications, but it can be useful for providing a quick
408 checksum of a block of data.
409
410config SPL_MD5
411 bool "Support MD5 algorithm in SPL"
412 help
413 This option enables MD5 support in SPL. MD5 is an algorithm designed
414 in 1991 that produces a 16-byte digest (or checksum) from its input
415 data. It has a number of vulnerabilities which preclude its use in
416 security applications, but it can be useful for providing a quick
417 checksum of a block of data.
Andre Przywaraf0fa1132017-03-15 01:19:05 +0000418
Marek Behúncdccc032017-09-03 17:00:23 +0200419config CRC32C
420 bool
421
Marek Behúnb139a7f2019-04-29 22:40:43 +0200422config XXHASH
423 bool
424
gaurav ranaef201592015-02-20 12:51:46 +0530425endmenu
426
Julius Wernerf41a3ca2015-10-06 20:03:53 -0700427menu "Compression Support"
428
429config LZ4
430 bool "Enable LZ4 decompression support"
431 help
432 If this option is set, support for LZ4 compressed images
433 is included. The LZ4 algorithm can run in-place as long as the
434 compressed image is loaded to the end of the output buffer, and
435 trades lower compression ratios for much faster decompression.
436
437 NOTE: This implements the release version of the LZ4 frame
438 format as generated by default by the 'lz4' command line tool.
439 This is not the same as the outdated, less efficient legacy
440 frame format currently (2015) implemented in the Linux kernel
441 (generated by 'lz4 -l'). The two formats are incompatible.
442
Simon Glass264aa5f2017-05-17 03:25:42 -0600443config LZMA
444 bool "Enable LZMA decompression support"
445 help
446 This enables support for LZMA (Lempel-Ziv-Markov chain algorithm),
447 a dictionary compression algorithm that provides a high compression
448 ratio and fairly fast decompression speed. See also
449 CONFIG_CMD_LZMADEC which provides a decode command.
450
Boris Brezillonaa57d0f2017-02-27 18:22:06 +0100451config LZO
Tom Rinic20bb732017-07-22 18:36:16 -0400452 bool "Enable LZO decompression support"
453 help
454 This enables support for LZO compression algorithm.r
York Suna6945fe2017-08-15 11:14:43 -0700455
Marek Vasutaeaa29d2019-03-08 16:06:55 +0100456config GZIP
Heiko Schocherb93cc602019-04-29 08:59:38 +0200457 bool "Enable gzip decompression support"
Marek Vasutaeaa29d2019-03-08 16:06:55 +0100458 select ZLIB
459 default y
460 help
461 This enables support for GZIP compression algorithm.
462
Joao Marcos Costaae8abb12020-07-30 15:33:49 +0200463config ZLIB_UNCOMPRESS
464 bool "Enables zlib's uncompress() functionality"
465 help
466 This enables an extra zlib functionality: the uncompress() function,
467 which decompresses data from a buffer into another, knowing their
468 sizes. Unlike gunzip(), there is no header parsing.
469
Michael Walle3a6e3512020-05-22 14:07:36 +0200470config GZIP_COMPRESSED
471 bool
472 select ZLIB
473
Atish Patra1fa79622020-03-05 16:24:21 -0800474config BZIP2
475 bool "Enable bzip2 decompression support"
476 help
477 This enables support for BZIP2 compression algorithm.
478
Marek Vasutaeaa29d2019-03-08 16:06:55 +0100479config ZLIB
480 bool
481 default y
482 help
483 This enables ZLIB compression lib.
484
Marek Behúne87e2002019-04-29 22:40:44 +0200485config ZSTD
486 bool "Enable Zstandard decompression support"
487 select XXHASH
488 help
489 This enables Zstandard decompression library.
490
Simon Glasse107bcd2018-11-06 15:21:30 -0700491config SPL_LZ4
492 bool "Enable LZ4 decompression support in SPL"
493 help
Marcin Juszkiewicza360c2c2020-05-26 19:07:15 +0200494 This enables support for the LZ4 decompression algorithm in SPL. LZ4
Simon Glasse107bcd2018-11-06 15:21:30 -0700495 is a lossless data compression algorithm that is focused on
496 fast compression and decompression speed. It belongs to the LZ77
497 family of byte-oriented compression schemes.
498
developer6a4e1d32020-04-21 09:28:38 +0200499config SPL_LZMA
500 bool "Enable LZMA decompression support for SPL build"
501 help
Marcin Juszkiewicza360c2c2020-05-26 19:07:15 +0200502 This enables support for LZMA compression algorithm for SPL boot.
developer6a4e1d32020-04-21 09:28:38 +0200503
Jean-Jacques Hiblotdbde2882017-09-15 12:57:30 +0200504config SPL_LZO
505 bool "Enable LZO decompression support in SPL"
506 help
507 This enables support for LZO compression algorithm in the SPL.
508
York Suna6945fe2017-08-15 11:14:43 -0700509config SPL_GZIP
510 bool "Enable gzip decompression support for SPL build"
511 select SPL_ZLIB
512 help
513 This enables support for GZIP compression altorithm for SPL boot.
514
515config SPL_ZLIB
516 bool
517 help
518 This enables compression lib for SPL boot.
519
Marek Behúne87e2002019-04-29 22:40:44 +0200520config SPL_ZSTD
521 bool "Enable Zstandard decompression support in SPL"
522 select XXHASH
523 help
524 This enables Zstandard decompression library in the SPL.
525
Julius Wernerf41a3ca2015-10-06 20:03:53 -0700526endmenu
527
Przemyslaw Marczak37550132015-04-20 20:07:40 +0200528config ERRNO_STR
529 bool "Enable function for getting errno-related string message"
530 help
531 The function errno_str(int errno), returns a pointer to the errno
532 corresponding text message:
533 - if errno is null or positive number - a pointer to "Success" message
534 - if errno is negative - a pointer to errno related message
535
Alexey Brodkin2d2fa492018-06-05 17:17:57 +0300536config HEXDUMP
537 bool "Enable hexdump"
538 help
539 This enables functions for printing dumps of binary data.
540
Simon Glassa66c5412016-02-22 22:55:42 -0700541config OF_LIBFDT
542 bool "Enable the FDT library"
543 default y if OF_CONTROL
544 help
545 This enables the FDT library (libfdt). It provides functions for
546 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinda707d42017-08-18 17:58:51 +0200547 removing nodes and properties, scanning through the tree and finding
Simon Glassa66c5412016-02-22 22:55:42 -0700548 particular compatible nodes. The library operates on a flattened
549 version of the device tree.
550
Simon Glassc48044d2019-10-27 09:47:40 -0600551config OF_LIBFDT_ASSUME_MASK
552 hex "Mask of conditions to assume for libfdt"
553 depends on OF_LIBFDT || FIT
554 default 0
555 help
556 Use this to change the assumptions made by libfdt about the
557 device tree it is working with. A value of 0 means that no assumptions
558 are made, and libfdt is able to deal with malicious data. A value of
559 0xff means all assumptions are made and any invalid data may cause
560 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
561
Maxime Ripard9e901ce2016-07-05 10:26:44 +0200562config OF_LIBFDT_OVERLAY
563 bool "Enable the FDT library overlay support"
Tom Rinic1e49ba2018-05-08 08:52:17 -0400564 depends on OF_LIBFDT
Praneeth Bajjuri7b71a012018-04-25 16:03:23 -0500565 default y if ARCH_OMAP2PLUS || ARCH_KEYSTONE
Maxime Ripard9e901ce2016-07-05 10:26:44 +0200566 help
567 This enables the FDT library (libfdt) overlay support.
568
Simon Glass8b426922016-02-22 22:55:45 -0700569config SPL_OF_LIBFDT
570 bool "Enable the FDT library for SPL"
571 default y if SPL_OF_CONTROL
572 help
573 This enables the FDT library (libfdt). It provides functions for
574 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinda707d42017-08-18 17:58:51 +0200575 removing nodes and properties, scanning through the tree and finding
Simon Glass8b426922016-02-22 22:55:45 -0700576 particular compatible nodes. The library operates on a flattened
577 version of the device tree.
578
Simon Glassc48044d2019-10-27 09:47:40 -0600579config SPL_OF_LIBFDT_ASSUME_MASK
580 hex "Mask of conditions to assume for libfdt"
581 depends on SPL_OF_LIBFDT || FIT
582 default 0xff
583 help
584 Use this to change the assumptions made by libfdt in SPL about the
585 device tree it is working with. A value of 0 means that no assumptions
586 are made, and libfdt is able to deal with malicious data. A value of
587 0xff means all assumptions are made and any invalid data may cause
588 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
589
Simon Glassca8ec4b2018-10-01 12:22:21 -0600590config TPL_OF_LIBFDT
591 bool "Enable the FDT library for TPL"
592 default y if TPL_OF_CONTROL
593 help
594 This enables the FDT library (libfdt). It provides functions for
595 accessing binary device tree images in memory, such as adding and
596 removing nodes and properties, scanning through the tree and finding
597 particular compatible nodes. The library operates on a flattened
598 version of the device tree.
599
Simon Glassc48044d2019-10-27 09:47:40 -0600600config TPL_OF_LIBFDT_ASSUME_MASK
601 hex "Mask of conditions to assume for libfdt"
602 depends on TPL_OF_LIBFDT || FIT
603 default 0xff
604 help
605 Use this to change the assumptions made by libfdt in TPL about the
606 device tree it is working with. A value of 0 means that no assumptions
607 are made, and libfdt is able to deal with malicious data. A value of
608 0xff means all assumptions are made and any invalid data may cause
609 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
610
Heiko Schocherc9ab9102016-10-06 07:31:45 +0200611config FDT_FIXUP_PARTITIONS
612 bool "overwrite MTD partitions in DTS through defined in 'mtdparts'"
613 depends on OF_LIBFDT
Masahiro Yamada734b7552018-07-20 11:04:09 +0900614 depends on CMD_MTDPARTS
Heiko Schocherc9ab9102016-10-06 07:31:45 +0200615 help
616 Allow overwriting defined partitions in the device tree blob
617 using partition info defined in the 'mtdparts' environment
618 variable.
619
Alexander Graffb228082016-08-19 01:23:23 +0200620menu "System tables"
Alexander Graf66f96e12016-08-19 01:23:29 +0200621 depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER)
Alexander Graffb228082016-08-19 01:23:23 +0200622
623config GENERATE_SMBIOS_TABLE
624 bool "Generate an SMBIOS (System Management BIOS) table"
625 default y
Alexander Graf66f96e12016-08-19 01:23:29 +0200626 depends on X86 || EFI_LOADER
Alexander Graffb228082016-08-19 01:23:23 +0200627 help
628 The System Management BIOS (SMBIOS) specification addresses how
629 motherboard and system vendors present management information about
630 their products in a standard format by extending the BIOS interface
631 on Intel architecture systems.
632
633 Check http://www.dmtf.org/standards/smbios for details.
634
635config SMBIOS_MANUFACTURER
636 string "SMBIOS Manufacturer"
637 depends on GENERATE_SMBIOS_TABLE
638 default SYS_VENDOR
639 help
640 The board manufacturer to store in SMBIOS structures.
641 Change this to override the default one (CONFIG_SYS_VENDOR).
642
643config SMBIOS_PRODUCT_NAME
644 string "SMBIOS Product Name"
645 depends on GENERATE_SMBIOS_TABLE
646 default SYS_BOARD
647 help
648 The product name to store in SMBIOS structures.
649 Change this to override the default one (CONFIG_SYS_BOARD).
650
651endmenu
652
AKASHI Takahirof7025262019-11-13 09:44:53 +0900653config ASN1_COMPILER
654 bool
655
AKASHI Takahiro3a888712019-11-13 09:44:55 +0900656config ASN1_DECODER
657 bool
658 help
659 Enable asn1 decoder library.
660
AKASHI Takahiro54923642019-11-13 09:44:57 +0900661config OID_REGISTRY
662 bool
663 help
664 Enable fast lookup object identifier registry.
665
Simon Glass9539e692015-07-31 09:31:36 -0600666source lib/efi/Kconfig
Alexander Graf67ee7052016-03-04 01:10:07 +0100667source lib/efi_loader/Kconfig
Bryan O'Donoghue4b0de7c2018-03-13 16:50:27 +0000668source lib/optee/Kconfig
Simon Glass9539e692015-07-31 09:31:36 -0600669
Thierry Reding52c7f1f32019-03-21 19:10:04 +0100670config TEST_FDTDEC
671 bool "enable fdtdec test"
672 depends on OF_LIBFDT
673
AKASHI Takahiro51ba5222019-11-13 09:44:49 +0900674config LIB_DATE
675 bool
676
Keerthy76f361a2020-02-12 13:55:03 +0530677config LIB_ELF
678 bool
679 help
680 Supoort basic elf loading/validating functions.
681 This supports fir 32 bit and 64 bit versions.
682
Masahiro Yamadaf3e12b72014-09-16 16:32:58 +0900683endmenu