blob: a3352a4fa15c42036a1fc571c8030941e01b4932 [file] [log] [blame]
Masahiro Yamadaf3e12b72014-09-16 16:32:58 +09001menu "Library routines"
2
Adam Ford02bf5362017-08-11 09:46:05 -05003config BCH
4 bool "Enable Software based BCH ECC"
5 help
6 Enables software based BCH ECC algorithm present in lib/bch.c
7 This is used by SoC platforms which do not have built-in ELM
8 hardware engine required for BCH ECC correction.
9
Masahiro Yamada3f053fe2014-09-16 16:32:59 +090010config CC_OPTIMIZE_LIBS_FOR_SPEED
11 bool "Optimize libraries for speed"
12 help
13 Enabling this option will pass "-O2" to gcc when compiling
14 under "lib" directory.
15
16 If unsure, say N.
17
Faiz Abbas6199fb12018-02-06 19:15:58 +053018config DYNAMIC_CRC_TABLE
19 bool "Enable Dynamic tables for CRC"
20 help
21 Enable this option to calculate entries for CRC tables at runtime.
22 This can be helpful when reducing the size of the build image
23
Bin Mengb95e9db2018-10-15 02:21:15 -070024config HAVE_ARCH_IOMAP
25 bool
26 help
27 Enable this option if architecture provides io{read,write}{8,16,32}
28 I/O accessor functions.
29
Masahiro Yamada9520b712014-10-24 01:30:43 +090030config HAVE_PRIVATE_LIBGCC
31 bool
32
Adam Ford70c8f052018-02-06 12:14:28 -060033config LIB_UUID
34 bool
35
Alex Kiernan5b404282018-04-19 04:32:54 +000036config PRINTF
37 bool
38 default y
39
40config SPL_PRINTF
41 bool
42 select SPL_SPRINTF
43 select SPL_STRTO if !USE_TINY_PRINTF
44
45config TPL_PRINTF
46 bool
47 select TPL_SPRINTF
48 select TPL_STRTO if !USE_TINY_PRINTF
49
50config SPRINTF
51 bool
52 default y
53
54config SPL_SPRINTF
55 bool
56
57config TPL_SPRINTF
58 bool
59
60config STRTO
61 bool
62 default y
63
64config SPL_STRTO
65 bool
66
67config TPL_STRTO
68 bool
69
Alex Kiernanc568bcb2018-05-29 15:30:52 +000070config IMAGE_SPARSE
71 bool
72
73config IMAGE_SPARSE_FILLBUF_SIZE
74 hex "Android sparse image CHUNK_TYPE_FILL buffer size"
75 default 0x80000
76 depends on IMAGE_SPARSE
77 help
78 Set the size of the fill buffer used when processing CHUNK_TYPE_FILL
79 chunks.
80
Masahiro Yamada9520b712014-10-24 01:30:43 +090081config USE_PRIVATE_LIBGCC
82 bool "Use private libgcc"
83 depends on HAVE_PRIVATE_LIBGCC
Marek Vasut4e0126e2016-05-26 18:01:47 +020084 default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS)
Masahiro Yamada9520b712014-10-24 01:30:43 +090085 help
86 This option allows you to use the built-in libgcc implementation
Masahiro Yamada1c6a5e42016-03-30 20:17:42 +090087 of U-Boot instead of the one provided by the compiler.
Masahiro Yamada9520b712014-10-24 01:30:43 +090088 If unsure, say N.
89
Masahiro Yamadae301fa02014-10-24 01:30:40 +090090config SYS_HZ
91 int
92 default 1000
93 help
94 The frequency of the timer returned by get_timer().
95 get_timer() must operate in milliseconds and this option must be
96 set to 1000.
97
Stefan Roese363ab7b2015-11-23 07:00:22 +010098config USE_TINY_PRINTF
99 bool "Enable tiny printf() version"
100 help
101 This option enables a tiny, stripped down printf version.
102 This should only be used in space limited environments,
103 like SPL versions with hard memory limits. This version
104 reduces the code size by about 2.5KiB on armv7.
105
106 The supported format specifiers are %c, %s, %u/%d and %x.
107
Masahiro Yamadaacede7a2017-12-04 12:37:00 +0900108config PANIC_HANG
109 bool "Do not reset the system on fatal error"
110 help
111 Define this option to stop the system in case of a fatal error,
112 so that you have to reset it manually. This is probably NOT a good
113 idea for an embedded system where you want the system to reboot
114 automatically as fast as possible, but it may be useful during
115 development since you can try to debug the conditions that lead to
116 the situation.
117
Joe Hershberger937d3e82015-04-21 17:02:42 -0500118config REGEX
119 bool "Enable regular expression support"
Joe Hershberger8ab8b722015-06-22 17:57:36 -0500120 default y if NET
Joe Hershberger937d3e82015-04-21 17:02:42 -0500121 help
122 If this variable is defined, U-Boot is linked against the
123 SLRE (Super Light Regular Expression) library, which adds
124 regex support to some commands, for example "env grep" and
125 "setexpr".
126
Adam Ford38003a62018-02-06 10:18:18 -0600127choice
128 prompt "Pseudo-random library support type"
129 depends on NET_RANDOM_ETHADDR || RANDOM_UUID || CMD_UUID
130 default LIB_RAND
Masahiro Yamada2743c072015-06-11 19:16:43 +0900131 help
Adam Ford38003a62018-02-06 10:18:18 -0600132 Select the library to provide pseudo-random number generator
133 functions. LIB_HW_RAND supports certain hardware engines that
134 provide this functionality. If in doubt, select LIB_RAND.
135
136config LIB_RAND
137 bool "Pseudo-random library support"
138
139config LIB_HW_RAND
140 bool "HW Engine for random libray support"
141
142endchoice
Michal Simek2c1b1db2015-05-25 11:37:22 +0200143
Simon Glasse2f94ae2017-04-02 09:50:28 -0600144config SPL_TINY_MEMSET
145 bool "Use a very small memset() in SPL"
146 help
147 The faster memset() is the arch-specific one (if available) enabled
148 by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get
149 better performance by writing a word at a time. But in very
Chris Packham1c3b7ba2019-01-13 22:13:28 +1300150 size-constrained environments even this may be too big. Enable this
Simon Glasse2f94ae2017-04-02 09:50:28 -0600151 option to reduce code size slightly at the cost of some speed.
152
Philipp Tomsichfefc4ec2017-08-03 22:52:04 +0200153config TPL_TINY_MEMSET
154 bool "Use a very small memset() in TPL"
155 help
156 The faster memset() is the arch-specific one (if available) enabled
157 by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get
158 better performance by writing a word at a time. But in very
Chris Packham1c3b7ba2019-01-13 22:13:28 +1300159 size-constrained environments even this may be too big. Enable this
Philipp Tomsichfefc4ec2017-08-03 22:52:04 +0200160 option to reduce code size slightly at the cost of some speed.
161
Boris Brezillon627dc182017-02-27 18:22:05 +0100162config RBTREE
163 bool
164
Nandor Hand5ea84a2017-11-08 15:35:14 +0000165config BITREVERSE
166 bool "Bit reverse library from Linux"
167
Simon Glassbfce7fc2019-04-08 13:20:51 -0600168config TRACE
169 bool "Support for tracing of function calls and timing"
170 imply CMD_TRACE
171 help
172 Enables function tracing within U-Boot. This allows recording of call
173 traces including timing information. The command can write data to
174 memory for exporting for analysis (e.g. using bootchart).
175 See doc/README.trace for full details.
176
Simon Glass99dbe4b2015-06-23 15:38:23 -0600177source lib/dhry/Kconfig
178
Simon Glass528fdd12017-04-26 22:27:49 -0600179menu "Security support"
180
181config AES
182 bool "Support the AES algorithm"
183 help
184 This provides a means to encrypt and decrypt data using the AES
185 (Advanced Encryption Standard). This algorithm uses a symetric key
186 and is widely used as a streaming cipher. Different key lengths are
187 supported by the algorithm but only a 128-bit key is supported at
188 present.
189
Ruchika Gupta4acd8c42015-01-23 16:01:56 +0530190source lib/rsa/Kconfig
Ruchika Gupta2c3822e2015-01-23 16:01:51 +0530191
Simon Glass350497c2015-08-22 18:31:19 -0600192config TPM
193 bool "Trusted Platform Module (TPM) Support"
Simon Glasscf294b02015-10-03 06:39:36 -0600194 depends on DM
Simon Glass350497c2015-08-22 18:31:19 -0600195 help
196 This enables support for TPMs which can be used to provide security
197 features for your board. The TPM can be connected via LPC or I2C
198 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
199 command to interactive the TPM. Driver model support is provided
200 for the low-level TPM interface, but only one TPM is supported at
201 a time by the TPM library.
202
Simon Glass93a45b12018-10-01 12:22:19 -0600203config SPL_TPM
204 bool "Trusted Platform Module (TPM) Support in SPL"
205 depends on SPL_DM
206 help
207 This enables support for TPMs which can be used to provide security
208 features for your board. The TPM can be connected via LPC or I2C
209 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
210 command to interactive the TPM. Driver model support is provided
211 for the low-level TPM interface, but only one TPM is supported at
212 a time by the TPM library.
213
214config TPL_TPM
215 bool "Trusted Platform Module (TPM) Support in TPL"
216 depends on TPL_DM
217 help
218 This enables support for TPMs which can be used to provide security
219 features for your board. The TPM can be connected via LPC or I2C
220 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
221 command to interactive the TPM. Driver model support is provided
222 for the low-level TPM interface, but only one TPM is supported at
223 a time by the TPM library.
224
Simon Glass528fdd12017-04-26 22:27:49 -0600225endmenu
226
Igor Opaniuk525d1d82018-06-03 21:56:37 +0300227menu "Android Verified Boot"
228
229config LIBAVB
230 bool "Android Verified Boot 2.0 support"
231 depends on ANDROID_BOOT_IMAGE
232 default n
233 help
234 This enables support of Android Verified Boot 2.0 which can be used
235 to assure the end user of the integrity of the software running on a
236 device. Introduces such features as boot chain of trust, rollback
237 protection etc.
238
239endmenu
240
gaurav ranaef201592015-02-20 12:51:46 +0530241menu "Hashing Support"
242
243config SHA1
244 bool "Enable SHA1 support"
245 help
246 This option enables support of hashing using SHA1 algorithm.
247 The hash is calculated in software.
248 The SHA1 algorithm produces a 160-bit (20-byte) hash value
249 (digest).
250
251config SHA256
252 bool "Enable SHA256 support"
253 help
254 This option enables support of hashing using SHA256 algorithm.
255 The hash is calculated in software.
256 The SHA256 algorithm produces a 256-bit (32-byte) hash value
257 (digest).
258
259config SHA_HW_ACCEL
260 bool "Enable hashing using hardware"
261 help
262 This option enables hardware acceleration
263 for SHA1/SHA256 hashing.
264 This affects the 'hash' command and also the
265 hash_lookup_algo() function.
266
267config SHA_PROG_HW_ACCEL
268 bool "Enable Progressive hashing support using hardware"
269 depends on SHA_HW_ACCEL
270 help
271 This option enables hardware-acceleration for
272 SHA1/SHA256 progressive hashing.
273 Data can be streamed in a block at a time and the hashing
274 is performed in hardware.
Andre Przywaraf0fa1132017-03-15 01:19:05 +0000275
276config MD5
277 bool
278
Marek Behúncdccc032017-09-03 17:00:23 +0200279config CRC32C
280 bool
281
gaurav ranaef201592015-02-20 12:51:46 +0530282endmenu
283
Julius Wernerf41a3ca2015-10-06 20:03:53 -0700284menu "Compression Support"
285
286config LZ4
287 bool "Enable LZ4 decompression support"
288 help
289 If this option is set, support for LZ4 compressed images
290 is included. The LZ4 algorithm can run in-place as long as the
291 compressed image is loaded to the end of the output buffer, and
292 trades lower compression ratios for much faster decompression.
293
294 NOTE: This implements the release version of the LZ4 frame
295 format as generated by default by the 'lz4' command line tool.
296 This is not the same as the outdated, less efficient legacy
297 frame format currently (2015) implemented in the Linux kernel
298 (generated by 'lz4 -l'). The two formats are incompatible.
299
Simon Glass264aa5f2017-05-17 03:25:42 -0600300config LZMA
301 bool "Enable LZMA decompression support"
302 help
303 This enables support for LZMA (Lempel-Ziv-Markov chain algorithm),
304 a dictionary compression algorithm that provides a high compression
305 ratio and fairly fast decompression speed. See also
306 CONFIG_CMD_LZMADEC which provides a decode command.
307
Boris Brezillonaa57d0f2017-02-27 18:22:06 +0100308config LZO
Tom Rinic20bb732017-07-22 18:36:16 -0400309 bool "Enable LZO decompression support"
310 help
311 This enables support for LZO compression algorithm.r
York Suna6945fe2017-08-15 11:14:43 -0700312
Marek Vasutaeaa29d2019-03-08 16:06:55 +0100313config GZIP
314 bool "Enable gzip decompression support for SPL build"
315 select ZLIB
316 default y
317 help
318 This enables support for GZIP compression algorithm.
319
320config ZLIB
321 bool
322 default y
323 help
324 This enables ZLIB compression lib.
325
Simon Glasse107bcd2018-11-06 15:21:30 -0700326config SPL_LZ4
327 bool "Enable LZ4 decompression support in SPL"
328 help
329 This enables support for tge LZ4 decompression algorithm in SPL. LZ4
330 is a lossless data compression algorithm that is focused on
331 fast compression and decompression speed. It belongs to the LZ77
332 family of byte-oriented compression schemes.
333
Jean-Jacques Hiblotdbde2882017-09-15 12:57:30 +0200334config SPL_LZO
335 bool "Enable LZO decompression support in SPL"
336 help
337 This enables support for LZO compression algorithm in the SPL.
338
York Suna6945fe2017-08-15 11:14:43 -0700339config SPL_GZIP
340 bool "Enable gzip decompression support for SPL build"
341 select SPL_ZLIB
342 help
343 This enables support for GZIP compression altorithm for SPL boot.
344
345config SPL_ZLIB
346 bool
347 help
348 This enables compression lib for SPL boot.
349
Julius Wernerf41a3ca2015-10-06 20:03:53 -0700350endmenu
351
Przemyslaw Marczak37550132015-04-20 20:07:40 +0200352config ERRNO_STR
353 bool "Enable function for getting errno-related string message"
354 help
355 The function errno_str(int errno), returns a pointer to the errno
356 corresponding text message:
357 - if errno is null or positive number - a pointer to "Success" message
358 - if errno is negative - a pointer to errno related message
359
Alexey Brodkin2d2fa492018-06-05 17:17:57 +0300360config HEXDUMP
361 bool "Enable hexdump"
362 help
363 This enables functions for printing dumps of binary data.
364
Simon Glassa66c5412016-02-22 22:55:42 -0700365config OF_LIBFDT
366 bool "Enable the FDT library"
367 default y if OF_CONTROL
368 help
369 This enables the FDT library (libfdt). It provides functions for
370 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinda707d42017-08-18 17:58:51 +0200371 removing nodes and properties, scanning through the tree and finding
Simon Glassa66c5412016-02-22 22:55:42 -0700372 particular compatible nodes. The library operates on a flattened
373 version of the device tree.
374
Maxime Ripard9e901ce2016-07-05 10:26:44 +0200375config OF_LIBFDT_OVERLAY
376 bool "Enable the FDT library overlay support"
Tom Rinic1e49ba2018-05-08 08:52:17 -0400377 depends on OF_LIBFDT
Praneeth Bajjuri7b71a012018-04-25 16:03:23 -0500378 default y if ARCH_OMAP2PLUS || ARCH_KEYSTONE
Maxime Ripard9e901ce2016-07-05 10:26:44 +0200379 help
380 This enables the FDT library (libfdt) overlay support.
381
Simon Glass8b426922016-02-22 22:55:45 -0700382config SPL_OF_LIBFDT
383 bool "Enable the FDT library for SPL"
384 default y if SPL_OF_CONTROL
385 help
386 This enables the FDT library (libfdt). It provides functions for
387 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinda707d42017-08-18 17:58:51 +0200388 removing nodes and properties, scanning through the tree and finding
Simon Glass8b426922016-02-22 22:55:45 -0700389 particular compatible nodes. The library operates on a flattened
390 version of the device tree.
391
Simon Glassca8ec4b2018-10-01 12:22:21 -0600392config TPL_OF_LIBFDT
393 bool "Enable the FDT library for TPL"
394 default y if TPL_OF_CONTROL
395 help
396 This enables the FDT library (libfdt). It provides functions for
397 accessing binary device tree images in memory, such as adding and
398 removing nodes and properties, scanning through the tree and finding
399 particular compatible nodes. The library operates on a flattened
400 version of the device tree.
401
Heiko Schocherc9ab9102016-10-06 07:31:45 +0200402config FDT_FIXUP_PARTITIONS
403 bool "overwrite MTD partitions in DTS through defined in 'mtdparts'"
404 depends on OF_LIBFDT
Masahiro Yamada734b7552018-07-20 11:04:09 +0900405 depends on CMD_MTDPARTS
Heiko Schocherc9ab9102016-10-06 07:31:45 +0200406 help
407 Allow overwriting defined partitions in the device tree blob
408 using partition info defined in the 'mtdparts' environment
409 variable.
410
Alexander Graffb228082016-08-19 01:23:23 +0200411menu "System tables"
Alexander Graf66f96e12016-08-19 01:23:29 +0200412 depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER)
Alexander Graffb228082016-08-19 01:23:23 +0200413
414config GENERATE_SMBIOS_TABLE
415 bool "Generate an SMBIOS (System Management BIOS) table"
416 default y
Alexander Graf66f96e12016-08-19 01:23:29 +0200417 depends on X86 || EFI_LOADER
Alexander Graffb228082016-08-19 01:23:23 +0200418 help
419 The System Management BIOS (SMBIOS) specification addresses how
420 motherboard and system vendors present management information about
421 their products in a standard format by extending the BIOS interface
422 on Intel architecture systems.
423
424 Check http://www.dmtf.org/standards/smbios for details.
425
426config SMBIOS_MANUFACTURER
427 string "SMBIOS Manufacturer"
428 depends on GENERATE_SMBIOS_TABLE
429 default SYS_VENDOR
430 help
431 The board manufacturer to store in SMBIOS structures.
432 Change this to override the default one (CONFIG_SYS_VENDOR).
433
434config SMBIOS_PRODUCT_NAME
435 string "SMBIOS Product Name"
436 depends on GENERATE_SMBIOS_TABLE
437 default SYS_BOARD
438 help
439 The product name to store in SMBIOS structures.
440 Change this to override the default one (CONFIG_SYS_BOARD).
441
442endmenu
443
Simon Glass9539e692015-07-31 09:31:36 -0600444source lib/efi/Kconfig
Alexander Graf67ee7052016-03-04 01:10:07 +0100445source lib/efi_loader/Kconfig
Bryan O'Donoghue4b0de7c2018-03-13 16:50:27 +0000446source lib/optee/Kconfig
Simon Glass9539e692015-07-31 09:31:36 -0600447
Thierry Reding52c7f1f32019-03-21 19:10:04 +0100448config TEST_FDTDEC
449 bool "enable fdtdec test"
450 depends on OF_LIBFDT
451
Masahiro Yamadaf3e12b72014-09-16 16:32:58 +0900452endmenu