blob: 8fe5d85a050643c512963402ac566d2ad9801848 [file] [log] [blame]
Masahiro Yamadaed363232014-09-16 16:32:58 +09001menu "Library routines"
2
Adam Ford6ef2f902017-08-11 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 Yamadab0928da2014-09-16 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 Abbas36c18772018-02-06 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 Meng2895c4b2018-10-15 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 Yamada45ccec82014-10-24 01:30:43 +090030config HAVE_PRIVATE_LIBGCC
31 bool
32
Adam Forda451bc22018-02-06 12:14:28 -060033config LIB_UUID
34 bool
35
Alex Kiernan14ad44a2018-04-19 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 Kiernanc232d142018-05-29 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 Yamada45ccec82014-10-24 01:30:43 +090081config USE_PRIVATE_LIBGCC
82 bool "Use private libgcc"
83 depends on HAVE_PRIVATE_LIBGCC
Marek Vasut91b86e22016-05-26 18:01:47 +020084 default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS)
Masahiro Yamada45ccec82014-10-24 01:30:43 +090085 help
86 This option allows you to use the built-in libgcc implementation
Masahiro Yamada67976302016-03-30 20:17:42 +090087 of U-Boot instead of the one provided by the compiler.
Masahiro Yamada45ccec82014-10-24 01:30:43 +090088 If unsure, say N.
89
Masahiro Yamada8c688bc2014-10-24 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 Roese7d9cde12015-11-23 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 Yamada7e3caa82017-12-04 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 Hershberger1a606502015-04-21 17:02:42 -0500118config REGEX
119 bool "Enable regular expression support"
Joe Hershbergerf7848d92015-06-22 17:57:36 -0500120 default y if NET
Joe Hershberger1a606502015-04-21 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 Forda5a37562018-02-06 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 Yamada3850dbe2015-06-11 19:16:43 +0900131 help
Adam Forda5a37562018-02-06 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 Simek9ba9e852015-05-25 11:37:22 +0200143
Simon Glassab4458b2017-04-02 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 Packham6e705112019-01-13 22:13:28 +1300150 size-constrained environments even this may be too big. Enable this
Simon Glassab4458b2017-04-02 09:50:28 -0600151 option to reduce code size slightly at the cost of some speed.
152
Philipp Tomsich96b90822017-08-03 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 Packham6e705112019-01-13 22:13:28 +1300159 size-constrained environments even this may be too big. Enable this
Philipp Tomsich96b90822017-08-03 22:52:04 +0200160 option to reduce code size slightly at the cost of some speed.
161
Boris Brezillonaa049152017-02-27 18:22:05 +0100162config RBTREE
163 bool
164
Nandor Handa5337a2017-11-08 15:35:14 +0000165config BITREVERSE
166 bool "Bit reverse library from Linux"
167
Simon Glassd1389402015-06-23 15:38:23 -0600168source lib/dhry/Kconfig
169
Simon Glassb1a873d2017-04-26 22:27:49 -0600170menu "Security support"
171
172config AES
173 bool "Support the AES algorithm"
174 help
175 This provides a means to encrypt and decrypt data using the AES
176 (Advanced Encryption Standard). This algorithm uses a symetric key
177 and is widely used as a streaming cipher. Different key lengths are
178 supported by the algorithm but only a 128-bit key is supported at
179 present.
180
Ruchika Guptad9f23c72015-01-23 16:01:56 +0530181source lib/rsa/Kconfig
Ruchika Guptac4beb222015-01-23 16:01:51 +0530182
Simon Glassa7d660b2015-08-22 18:31:19 -0600183config TPM
184 bool "Trusted Platform Module (TPM) Support"
Simon Glass2419cd12015-10-03 06:39:36 -0600185 depends on DM
Simon Glassa7d660b2015-08-22 18:31:19 -0600186 help
187 This enables support for TPMs which can be used to provide security
188 features for your board. The TPM can be connected via LPC or I2C
189 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
190 command to interactive the TPM. Driver model support is provided
191 for the low-level TPM interface, but only one TPM is supported at
192 a time by the TPM library.
193
Simon Glass63078962018-10-01 12:22:19 -0600194config SPL_TPM
195 bool "Trusted Platform Module (TPM) Support in SPL"
196 depends on SPL_DM
197 help
198 This enables support for TPMs which can be used to provide security
199 features for your board. The TPM can be connected via LPC or I2C
200 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
201 command to interactive the TPM. Driver model support is provided
202 for the low-level TPM interface, but only one TPM is supported at
203 a time by the TPM library.
204
205config TPL_TPM
206 bool "Trusted Platform Module (TPM) Support in TPL"
207 depends on TPL_DM
208 help
209 This enables support for TPMs which can be used to provide security
210 features for your board. The TPM can be connected via LPC or I2C
211 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
212 command to interactive the TPM. Driver model support is provided
213 for the low-level TPM interface, but only one TPM is supported at
214 a time by the TPM library.
215
Simon Glassb1a873d2017-04-26 22:27:49 -0600216endmenu
217
Igor Opaniuk33305842018-06-03 21:56:37 +0300218menu "Android Verified Boot"
219
220config LIBAVB
221 bool "Android Verified Boot 2.0 support"
222 depends on ANDROID_BOOT_IMAGE
223 default n
224 help
225 This enables support of Android Verified Boot 2.0 which can be used
226 to assure the end user of the integrity of the software running on a
227 device. Introduces such features as boot chain of trust, rollback
228 protection etc.
229
230endmenu
231
gaurav rana94e3c8c2015-02-20 12:51:46 +0530232menu "Hashing Support"
233
234config SHA1
235 bool "Enable SHA1 support"
236 help
237 This option enables support of hashing using SHA1 algorithm.
238 The hash is calculated in software.
239 The SHA1 algorithm produces a 160-bit (20-byte) hash value
240 (digest).
241
242config SHA256
243 bool "Enable SHA256 support"
244 help
245 This option enables support of hashing using SHA256 algorithm.
246 The hash is calculated in software.
247 The SHA256 algorithm produces a 256-bit (32-byte) hash value
248 (digest).
249
250config SHA_HW_ACCEL
251 bool "Enable hashing using hardware"
252 help
253 This option enables hardware acceleration
254 for SHA1/SHA256 hashing.
255 This affects the 'hash' command and also the
256 hash_lookup_algo() function.
257
258config SHA_PROG_HW_ACCEL
259 bool "Enable Progressive hashing support using hardware"
260 depends on SHA_HW_ACCEL
261 help
262 This option enables hardware-acceleration for
263 SHA1/SHA256 progressive hashing.
264 Data can be streamed in a block at a time and the hashing
265 is performed in hardware.
Andre Przywarabea79d72017-03-15 01:19:05 +0000266
267config MD5
268 bool
269
Marek Behún85d8bf52017-09-03 17:00:23 +0200270config CRC32C
271 bool
272
gaurav rana94e3c8c2015-02-20 12:51:46 +0530273endmenu
274
Julius Werner027b7282015-10-06 20:03:53 -0700275menu "Compression Support"
276
277config LZ4
278 bool "Enable LZ4 decompression support"
279 help
280 If this option is set, support for LZ4 compressed images
281 is included. The LZ4 algorithm can run in-place as long as the
282 compressed image is loaded to the end of the output buffer, and
283 trades lower compression ratios for much faster decompression.
284
285 NOTE: This implements the release version of the LZ4 frame
286 format as generated by default by the 'lz4' command line tool.
287 This is not the same as the outdated, less efficient legacy
288 frame format currently (2015) implemented in the Linux kernel
289 (generated by 'lz4 -l'). The two formats are incompatible.
290
Simon Glassaed998a2017-05-17 03:25:42 -0600291config LZMA
292 bool "Enable LZMA decompression support"
293 help
294 This enables support for LZMA (Lempel-Ziv-Markov chain algorithm),
295 a dictionary compression algorithm that provides a high compression
296 ratio and fairly fast decompression speed. See also
297 CONFIG_CMD_LZMADEC which provides a decode command.
298
Boris Brezillon173aafb2017-02-27 18:22:06 +0100299config LZO
Tom Rinid56b4b12017-07-22 18:36:16 -0400300 bool "Enable LZO decompression support"
301 help
302 This enables support for LZO compression algorithm.r
York Sun7264f292017-08-15 11:14:43 -0700303
Marek Vasut95f4bbd2019-03-08 16:06:55 +0100304config GZIP
305 bool "Enable gzip decompression support for SPL build"
306 select ZLIB
307 default y
308 help
309 This enables support for GZIP compression algorithm.
310
311config ZLIB
312 bool
313 default y
314 help
315 This enables ZLIB compression lib.
316
Simon Glass048c6e82018-11-06 15:21:30 -0700317config SPL_LZ4
318 bool "Enable LZ4 decompression support in SPL"
319 help
320 This enables support for tge LZ4 decompression algorithm in SPL. LZ4
321 is a lossless data compression algorithm that is focused on
322 fast compression and decompression speed. It belongs to the LZ77
323 family of byte-oriented compression schemes.
324
Jean-Jacques Hiblotf52bdf42017-09-15 12:57:30 +0200325config SPL_LZO
326 bool "Enable LZO decompression support in SPL"
327 help
328 This enables support for LZO compression algorithm in the SPL.
329
York Sun7264f292017-08-15 11:14:43 -0700330config SPL_GZIP
331 bool "Enable gzip decompression support for SPL build"
332 select SPL_ZLIB
333 help
334 This enables support for GZIP compression altorithm for SPL boot.
335
336config SPL_ZLIB
337 bool
338 help
339 This enables compression lib for SPL boot.
340
Julius Werner027b7282015-10-06 20:03:53 -0700341endmenu
342
Przemyslaw Marczak6501ff62015-04-20 20:07:40 +0200343config ERRNO_STR
344 bool "Enable function for getting errno-related string message"
345 help
346 The function errno_str(int errno), returns a pointer to the errno
347 corresponding text message:
348 - if errno is null or positive number - a pointer to "Success" message
349 - if errno is negative - a pointer to errno related message
350
Alexey Brodkinf8c987f2018-06-05 17:17:57 +0300351config HEXDUMP
352 bool "Enable hexdump"
353 help
354 This enables functions for printing dumps of binary data.
355
Simon Glass69e173e2016-02-22 22:55:42 -0700356config OF_LIBFDT
357 bool "Enable the FDT library"
358 default y if OF_CONTROL
359 help
360 This enables the FDT library (libfdt). It provides functions for
361 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinf1a7ba12017-08-18 17:58:51 +0200362 removing nodes and properties, scanning through the tree and finding
Simon Glass69e173e2016-02-22 22:55:42 -0700363 particular compatible nodes. The library operates on a flattened
364 version of the device tree.
365
Maxime Ripardddf67f72016-07-05 10:26:44 +0200366config OF_LIBFDT_OVERLAY
367 bool "Enable the FDT library overlay support"
Tom Rini64175722018-05-08 08:52:17 -0400368 depends on OF_LIBFDT
Praneeth Bajjuri58a46f82018-04-25 16:03:23 -0500369 default y if ARCH_OMAP2PLUS || ARCH_KEYSTONE
Maxime Ripardddf67f72016-07-05 10:26:44 +0200370 help
371 This enables the FDT library (libfdt) overlay support.
372
Simon Glassaa34fbc2016-02-22 22:55:45 -0700373config SPL_OF_LIBFDT
374 bool "Enable the FDT library for SPL"
375 default y if SPL_OF_CONTROL
376 help
377 This enables the FDT library (libfdt). It provides functions for
378 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinf1a7ba12017-08-18 17:58:51 +0200379 removing nodes and properties, scanning through the tree and finding
Simon Glassaa34fbc2016-02-22 22:55:45 -0700380 particular compatible nodes. The library operates on a flattened
381 version of the device tree.
382
Simon Glass5592a632018-10-01 12:22:21 -0600383config TPL_OF_LIBFDT
384 bool "Enable the FDT library for TPL"
385 default y if TPL_OF_CONTROL
386 help
387 This enables the FDT library (libfdt). It provides functions for
388 accessing binary device tree images in memory, such as adding and
389 removing nodes and properties, scanning through the tree and finding
390 particular compatible nodes. The library operates on a flattened
391 version of the device tree.
392
Heiko Schocherebf7fff2016-10-06 07:31:45 +0200393config FDT_FIXUP_PARTITIONS
394 bool "overwrite MTD partitions in DTS through defined in 'mtdparts'"
395 depends on OF_LIBFDT
Masahiro Yamadaab948cd2018-07-20 11:04:09 +0900396 depends on CMD_MTDPARTS
Heiko Schocherebf7fff2016-10-06 07:31:45 +0200397 help
398 Allow overwriting defined partitions in the device tree blob
399 using partition info defined in the 'mtdparts' environment
400 variable.
401
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200402menu "System tables"
Alexander Grafe663b352016-08-19 01:23:29 +0200403 depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER)
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200404
405config GENERATE_SMBIOS_TABLE
406 bool "Generate an SMBIOS (System Management BIOS) table"
407 default y
Alexander Grafe663b352016-08-19 01:23:29 +0200408 depends on X86 || EFI_LOADER
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200409 help
410 The System Management BIOS (SMBIOS) specification addresses how
411 motherboard and system vendors present management information about
412 their products in a standard format by extending the BIOS interface
413 on Intel architecture systems.
414
415 Check http://www.dmtf.org/standards/smbios for details.
416
417config SMBIOS_MANUFACTURER
418 string "SMBIOS Manufacturer"
419 depends on GENERATE_SMBIOS_TABLE
420 default SYS_VENDOR
421 help
422 The board manufacturer to store in SMBIOS structures.
423 Change this to override the default one (CONFIG_SYS_VENDOR).
424
425config SMBIOS_PRODUCT_NAME
426 string "SMBIOS Product Name"
427 depends on GENERATE_SMBIOS_TABLE
428 default SYS_BOARD
429 help
430 The product name to store in SMBIOS structures.
431 Change this to override the default one (CONFIG_SYS_BOARD).
432
433endmenu
434
Simon Glass867a6ac2015-07-31 09:31:36 -0600435source lib/efi/Kconfig
Alexander Grafed980b82016-03-04 01:10:07 +0100436source lib/efi_loader/Kconfig
Bryan O'Donoghue32ce6172018-03-13 16:50:27 +0000437source lib/optee/Kconfig
Simon Glass867a6ac2015-07-31 09:31:36 -0600438
Masahiro Yamadaed363232014-09-16 16:32:58 +0900439endmenu