blob: 0333ab172fa622ebba6d7aa4e6cf16f63dc4955c [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
150 size-constrained envrionments even this may be too big. Enable this
151 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
159 size-constrained envrionments even this may be too big. Enable this
160 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
Simon Glass048c6e82018-11-06 15:21:30 -0700304config SPL_LZ4
305 bool "Enable LZ4 decompression support in SPL"
306 help
307 This enables support for tge LZ4 decompression algorithm in SPL. LZ4
308 is a lossless data compression algorithm that is focused on
309 fast compression and decompression speed. It belongs to the LZ77
310 family of byte-oriented compression schemes.
311
Jean-Jacques Hiblotf52bdf42017-09-15 12:57:30 +0200312config SPL_LZO
313 bool "Enable LZO decompression support in SPL"
314 help
315 This enables support for LZO compression algorithm in the SPL.
316
York Sun7264f292017-08-15 11:14:43 -0700317config SPL_GZIP
318 bool "Enable gzip decompression support for SPL build"
319 select SPL_ZLIB
320 help
321 This enables support for GZIP compression altorithm for SPL boot.
322
323config SPL_ZLIB
324 bool
325 help
326 This enables compression lib for SPL boot.
327
Julius Werner027b7282015-10-06 20:03:53 -0700328endmenu
329
Przemyslaw Marczak6501ff62015-04-20 20:07:40 +0200330config ERRNO_STR
331 bool "Enable function for getting errno-related string message"
332 help
333 The function errno_str(int errno), returns a pointer to the errno
334 corresponding text message:
335 - if errno is null or positive number - a pointer to "Success" message
336 - if errno is negative - a pointer to errno related message
337
Alexey Brodkinf8c987f2018-06-05 17:17:57 +0300338config HEXDUMP
339 bool "Enable hexdump"
340 help
341 This enables functions for printing dumps of binary data.
342
Simon Glass69e173e2016-02-22 22:55:42 -0700343config OF_LIBFDT
344 bool "Enable the FDT library"
345 default y if OF_CONTROL
346 help
347 This enables the FDT library (libfdt). It provides functions for
348 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinf1a7ba12017-08-18 17:58:51 +0200349 removing nodes and properties, scanning through the tree and finding
Simon Glass69e173e2016-02-22 22:55:42 -0700350 particular compatible nodes. The library operates on a flattened
351 version of the device tree.
352
Maxime Ripardddf67f72016-07-05 10:26:44 +0200353config OF_LIBFDT_OVERLAY
354 bool "Enable the FDT library overlay support"
Tom Rini64175722018-05-08 08:52:17 -0400355 depends on OF_LIBFDT
Praneeth Bajjuri58a46f82018-04-25 16:03:23 -0500356 default y if ARCH_OMAP2PLUS || ARCH_KEYSTONE
Maxime Ripardddf67f72016-07-05 10:26:44 +0200357 help
358 This enables the FDT library (libfdt) overlay support.
359
Simon Glassaa34fbc2016-02-22 22:55:45 -0700360config SPL_OF_LIBFDT
361 bool "Enable the FDT library for SPL"
362 default y if SPL_OF_CONTROL
363 help
364 This enables the FDT library (libfdt). It provides functions for
365 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinf1a7ba12017-08-18 17:58:51 +0200366 removing nodes and properties, scanning through the tree and finding
Simon Glassaa34fbc2016-02-22 22:55:45 -0700367 particular compatible nodes. The library operates on a flattened
368 version of the device tree.
369
Simon Glass5592a632018-10-01 12:22:21 -0600370config TPL_OF_LIBFDT
371 bool "Enable the FDT library for TPL"
372 default y if TPL_OF_CONTROL
373 help
374 This enables the FDT library (libfdt). It provides functions for
375 accessing binary device tree images in memory, such as adding and
376 removing nodes and properties, scanning through the tree and finding
377 particular compatible nodes. The library operates on a flattened
378 version of the device tree.
379
Heiko Schocherebf7fff2016-10-06 07:31:45 +0200380config FDT_FIXUP_PARTITIONS
381 bool "overwrite MTD partitions in DTS through defined in 'mtdparts'"
382 depends on OF_LIBFDT
Masahiro Yamadaab948cd2018-07-20 11:04:09 +0900383 depends on CMD_MTDPARTS
Heiko Schocherebf7fff2016-10-06 07:31:45 +0200384 help
385 Allow overwriting defined partitions in the device tree blob
386 using partition info defined in the 'mtdparts' environment
387 variable.
388
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200389menu "System tables"
Alexander Grafe663b352016-08-19 01:23:29 +0200390 depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER)
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200391
392config GENERATE_SMBIOS_TABLE
393 bool "Generate an SMBIOS (System Management BIOS) table"
394 default y
Alexander Grafe663b352016-08-19 01:23:29 +0200395 depends on X86 || EFI_LOADER
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200396 help
397 The System Management BIOS (SMBIOS) specification addresses how
398 motherboard and system vendors present management information about
399 their products in a standard format by extending the BIOS interface
400 on Intel architecture systems.
401
402 Check http://www.dmtf.org/standards/smbios for details.
403
404config SMBIOS_MANUFACTURER
405 string "SMBIOS Manufacturer"
406 depends on GENERATE_SMBIOS_TABLE
407 default SYS_VENDOR
408 help
409 The board manufacturer to store in SMBIOS structures.
410 Change this to override the default one (CONFIG_SYS_VENDOR).
411
412config SMBIOS_PRODUCT_NAME
413 string "SMBIOS Product Name"
414 depends on GENERATE_SMBIOS_TABLE
415 default SYS_BOARD
416 help
417 The product name to store in SMBIOS structures.
418 Change this to override the default one (CONFIG_SYS_BOARD).
419
420endmenu
421
Simon Glass867a6ac2015-07-31 09:31:36 -0600422source lib/efi/Kconfig
Alexander Grafed980b82016-03-04 01:10:07 +0100423source lib/efi_loader/Kconfig
Bryan O'Donoghue32ce6172018-03-13 16:50:27 +0000424source lib/optee/Kconfig
Simon Glass867a6ac2015-07-31 09:31:36 -0600425
Masahiro Yamadaed363232014-09-16 16:32:58 +0900426endmenu