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Masahiro Yamadaed363232014-09-16 16:32:58 +09001menu "Library routines"
2
Marek Szyprowski69be8fd2020-06-03 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
Bin Menge0103152021-02-25 17:22:36 +08009 This library only works in the post-relocation phase.
10
Marek Szyprowski69be8fd2020-06-03 14:43:40 +020011config SYS_NUM_ADDR_MAP
12 int "Size of the address-map table"
13 depends on ADDR_MAP
14 default 16
15 help
16 Sets the number of entries in the virtual-physical mapping table.
17
Simon Glass6405ab72021-11-24 09:26:42 -070018config PHYSMEM
19 bool "Access to physical memory region (> 4G)"
20 help
21 Some basic support is provided for operations on memory not
22 normally accessible to 32-bit U-Boot - e.g. some architectures
23 support access to more than 4G of memory on 32-bit
24 machines using physical address extension or similar.
25 Enable this to access this basic support, which only supports clearing
26 the memory.
27
Adam Ford6ef2f902017-08-11 09:46:05 -050028config BCH
29 bool "Enable Software based BCH ECC"
30 help
31 Enables software based BCH ECC algorithm present in lib/bch.c
32 This is used by SoC platforms which do not have built-in ELM
33 hardware engine required for BCH ECC correction.
34
Simon Glass3c10dc92019-12-06 21:41:34 -070035config BINMAN_FDT
36 bool "Allow access to binman information in the device tree"
Bin Meng56e72572021-02-03 21:20:02 +080037 depends on BINMAN && DM && OF_CONTROL
Bin Meng1621d3c2021-05-10 20:23:36 +080038 default y if OF_SEPARATE || OF_EMBED
Simon Glass3c10dc92019-12-06 21:41:34 -070039 help
40 This enables U-Boot to access information about binman entries,
41 stored in the device tree in a binman node. Typical uses are to
42 locate entries in the firmware image. See binman.h for the available
43 functionality.
44
Masahiro Yamadab0928da2014-09-16 16:32:59 +090045config CC_OPTIMIZE_LIBS_FOR_SPEED
46 bool "Optimize libraries for speed"
47 help
48 Enabling this option will pass "-O2" to gcc when compiling
49 under "lib" directory.
50
51 If unsure, say N.
52
Simon Glass1a46cb62021-07-02 12:36:17 -060053config CHARSET
54 bool
Simon Glass1a46cb62021-07-02 12:36:17 -060055
Faiz Abbas36c18772018-02-06 19:15:58 +053056config DYNAMIC_CRC_TABLE
57 bool "Enable Dynamic tables for CRC"
58 help
59 Enable this option to calculate entries for CRC tables at runtime.
60 This can be helpful when reducing the size of the build image
61
Bin Meng2895c4b2018-10-15 02:21:15 -070062config HAVE_ARCH_IOMAP
63 bool
64 help
65 Enable this option if architecture provides io{read,write}{8,16,32}
66 I/O accessor functions.
67
Masahiro Yamada45ccec82014-10-24 01:30:43 +090068config HAVE_PRIVATE_LIBGCC
69 bool
70
Adam Forda451bc22018-02-06 12:14:28 -060071config LIB_UUID
72 bool
73
Alex Kiernan14ad44a2018-04-19 04:32:54 +000074config PRINTF
75 bool
76 default y
77
78config SPL_PRINTF
79 bool
80 select SPL_SPRINTF
Simon Glass27084c02019-09-25 08:56:27 -060081 select SPL_STRTO if !SPL_USE_TINY_PRINTF
Alex Kiernan14ad44a2018-04-19 04:32:54 +000082
83config TPL_PRINTF
84 bool
85 select TPL_SPRINTF
Simon Glass27084c02019-09-25 08:56:27 -060086 select TPL_STRTO if !TPL_USE_TINY_PRINTF
Alex Kiernan14ad44a2018-04-19 04:32:54 +000087
Simon Glass747093d2022-04-30 00:56:53 -060088config VPL_PRINTF
89 bool
90 select VPL_SPRINTF
91 select VPL_STRTO if !VPL_USE_TINY_PRINTF
92
Alex Kiernan14ad44a2018-04-19 04:32:54 +000093config SPRINTF
94 bool
95 default y
96
97config SPL_SPRINTF
98 bool
99
100config TPL_SPRINTF
101 bool
102
Simon Glass747093d2022-04-30 00:56:53 -0600103config VPL_SPRINTF
104 bool
105
Andrii Anisove87dfb02020-08-06 12:42:52 +0300106config SSCANF
107 bool
Andrii Anisove87dfb02020-08-06 12:42:52 +0300108
Alex Kiernan14ad44a2018-04-19 04:32:54 +0000109config STRTO
110 bool
111 default y
112
113config SPL_STRTO
114 bool
115
116config TPL_STRTO
117 bool
118
Simon Glass747093d2022-04-30 00:56:53 -0600119config VPL_STRTO
120 bool
121
Alex Kiernanc232d142018-05-29 15:30:52 +0000122config IMAGE_SPARSE
123 bool
124
125config IMAGE_SPARSE_FILLBUF_SIZE
126 hex "Android sparse image CHUNK_TYPE_FILL buffer size"
127 default 0x80000
128 depends on IMAGE_SPARSE
129 help
130 Set the size of the fill buffer used when processing CHUNK_TYPE_FILL
131 chunks.
132
Masahiro Yamada45ccec82014-10-24 01:30:43 +0900133config USE_PRIVATE_LIBGCC
134 bool "Use private libgcc"
135 depends on HAVE_PRIVATE_LIBGCC
Marek Vasut91b86e22016-05-26 18:01:47 +0200136 default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS)
Masahiro Yamada45ccec82014-10-24 01:30:43 +0900137 help
138 This option allows you to use the built-in libgcc implementation
Masahiro Yamada67976302016-03-30 20:17:42 +0900139 of U-Boot instead of the one provided by the compiler.
Masahiro Yamada45ccec82014-10-24 01:30:43 +0900140 If unsure, say N.
141
Masahiro Yamada8c688bc2014-10-24 01:30:40 +0900142config SYS_HZ
143 int
144 default 1000
145 help
146 The frequency of the timer returned by get_timer().
147 get_timer() must operate in milliseconds and this option must be
148 set to 1000.
149
Simon Glass27084c02019-09-25 08:56:27 -0600150config SPL_USE_TINY_PRINTF
Thomas Hebb37ef1772019-11-10 08:23:53 -0800151 bool "Enable tiny printf() version in SPL"
Simon Glass27084c02019-09-25 08:56:27 -0600152 depends on SPL
Tom Rini2a51e162019-06-08 12:46:18 -0400153 default y
Stefan Roese7d9cde12015-11-23 07:00:22 +0100154 help
155 This option enables a tiny, stripped down printf version.
156 This should only be used in space limited environments,
157 like SPL versions with hard memory limits. This version
158 reduces the code size by about 2.5KiB on armv7.
159
160 The supported format specifiers are %c, %s, %u/%d and %x.
161
Simon Glass27084c02019-09-25 08:56:27 -0600162config TPL_USE_TINY_PRINTF
Thomas Hebb37ef1772019-11-10 08:23:53 -0800163 bool "Enable tiny printf() version in TPL"
Simon Glass27084c02019-09-25 08:56:27 -0600164 depends on TPL
165 default y if SPL_USE_TINY_PRINTF
166 help
167 This option enables a tiny, stripped down printf version.
168 This should only be used in space limited environments,
169 like SPL versions with hard memory limits. This version
170 reduces the code size by about 2.5KiB on armv7.
171
172 The supported format specifiers are %c, %s, %u/%d and %x.
173
Simon Glass747093d2022-04-30 00:56:53 -0600174config VPL_USE_TINY_PRINTF
175 bool "Enable tiny printf() version for VPL"
176 depends on VPL
177 help
178 This option enables a tiny, stripped down printf version.
179 This should only be used in space limited environments,
180 like SPL versions with hard memory limits. This version
181 reduces the code size by about 2.5KiB on armv7.
182
183 The supported format specifiers are %c, %s, %u/%d and %x.
184
Masahiro Yamada7e3caa82017-12-04 12:37:00 +0900185config PANIC_HANG
186 bool "Do not reset the system on fatal error"
187 help
188 Define this option to stop the system in case of a fatal error,
189 so that you have to reset it manually. This is probably NOT a good
190 idea for an embedded system where you want the system to reboot
191 automatically as fast as possible, but it may be useful during
192 development since you can try to debug the conditions that lead to
193 the situation.
194
Joe Hershberger1a606502015-04-21 17:02:42 -0500195config REGEX
196 bool "Enable regular expression support"
Joe Hershbergerf7848d92015-06-22 17:57:36 -0500197 default y if NET
Joe Hershberger1a606502015-04-21 17:02:42 -0500198 help
199 If this variable is defined, U-Boot is linked against the
200 SLRE (Super Light Regular Expression) library, which adds
201 regex support to some commands, for example "env grep" and
202 "setexpr".
203
Adam Forda5a37562018-02-06 10:18:18 -0600204choice
205 prompt "Pseudo-random library support type"
Heinrich Schuchardt16112352020-01-19 19:28:12 +0100206 depends on NET_RANDOM_ETHADDR || RANDOM_UUID || CMD_UUID || \
Heinrich Schuchardt28cef9c2020-11-20 12:55:22 +0100207 RNG_SANDBOX || UT_LIB && AES || FAT_WRITE
Adam Forda5a37562018-02-06 10:18:18 -0600208 default LIB_RAND
Masahiro Yamada3850dbe2015-06-11 19:16:43 +0900209 help
Adam Forda5a37562018-02-06 10:18:18 -0600210 Select the library to provide pseudo-random number generator
211 functions. LIB_HW_RAND supports certain hardware engines that
212 provide this functionality. If in doubt, select LIB_RAND.
213
214config LIB_RAND
215 bool "Pseudo-random library support"
216
217config LIB_HW_RAND
Marcin Juszkiewicz43e442a2020-05-26 19:07:15 +0200218 bool "HW Engine for random library support"
Adam Forda5a37562018-02-06 10:18:18 -0600219
220endchoice
Michal Simek9ba9e852015-05-25 11:37:22 +0200221
Simon Glasse1722fc2021-12-01 09:02:36 -0700222config SUPPORT_ACPI
223 bool
224 help
225 Enable this if your arch or board can support generating ACPI
226 (Advanced Configuration and Power Interface) tables. In this case
227 U-Boot can generate these tables and pass them to the Operating
228 System.
229
230config GENERATE_ACPI_TABLE
231 bool "Generate an ACPI (Advanced Configuration and Power Interface) table"
232 depends on SUPPORT_ACPI
233 select QFW if QEMU
234 help
235 The Advanced Configuration and Power Interface (ACPI) specification
236 provides an open standard for device configuration and management
237 by the operating system. It defines platform-independent interfaces
238 for configuration and power management monitoring.
239
Simon Glassab4458b2017-04-02 09:50:28 -0600240config SPL_TINY_MEMSET
241 bool "Use a very small memset() in SPL"
Tom Rinib3401992022-06-10 23:03:09 -0400242 depends on SPL
Simon Glassab4458b2017-04-02 09:50:28 -0600243 help
244 The faster memset() is the arch-specific one (if available) enabled
245 by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get
246 better performance by writing a word at a time. But in very
Chris Packham6e705112019-01-13 22:13:28 +1300247 size-constrained environments even this may be too big. Enable this
Simon Glassab4458b2017-04-02 09:50:28 -0600248 option to reduce code size slightly at the cost of some speed.
249
Philipp Tomsich96b90822017-08-03 22:52:04 +0200250config TPL_TINY_MEMSET
251 bool "Use a very small memset() in TPL"
Tom Rini8bea4bf2022-06-08 08:24:39 -0400252 depends on TPL
Philipp Tomsich96b90822017-08-03 22:52:04 +0200253 help
254 The faster memset() is the arch-specific one (if available) enabled
255 by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get
256 better performance by writing a word at a time. But in very
Chris Packham6e705112019-01-13 22:13:28 +1300257 size-constrained environments even this may be too big. Enable this
Philipp Tomsich96b90822017-08-03 22:52:04 +0200258 option to reduce code size slightly at the cost of some speed.
259
Boris Brezillonaa049152017-02-27 18:22:05 +0100260config RBTREE
261 bool
262
Nandor Handa5337a2017-11-08 15:35:14 +0000263config BITREVERSE
264 bool "Bit reverse library from Linux"
265
Simon Glassa24a78d2019-04-08 13:20:51 -0600266config TRACE
267 bool "Support for tracing of function calls and timing"
268 imply CMD_TRACE
Pragnesh Patela80f8512021-01-17 18:11:24 +0530269 select TIMER_EARLY
Simon Glassa24a78d2019-04-08 13:20:51 -0600270 help
271 Enables function tracing within U-Boot. This allows recording of call
272 traces including timing information. The command can write data to
273 memory for exporting for analysis (e.g. using bootchart).
274 See doc/README.trace for full details.
275
Simon Glass1c6eb072019-04-08 13:20:52 -0600276config TRACE_BUFFER_SIZE
277 hex "Size of trace buffer in U-Boot"
278 depends on TRACE
279 default 0x01000000
280 help
281 Sets the size of the trace buffer in U-Boot. This is allocated from
282 memory during relocation. If this buffer is too small, the trace
283 history will be truncated, with later records omitted.
284
285 If early trace is enabled (i.e. before relocation), this buffer must
286 be large enough to include all the data from the early trace buffer as
287 well, since this is copied over to the main buffer during relocation.
288
289 A trace record is emitted for each function call and each record is
290 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If
291 the size is too small then 'trace stats' will show a message saying
292 how many records were dropped due to buffer overflow.
293
Heinrich Schuchardtda0fb5f2019-06-02 13:30:09 +0200294config TRACE_CALL_DEPTH_LIMIT
295 int "Trace call depth limit"
296 depends on TRACE
297 default 15
298 help
299 Sets the maximum call depth up to which function calls are recorded.
300
Simon Glass1c6eb072019-04-08 13:20:52 -0600301config TRACE_EARLY
302 bool "Enable tracing before relocation"
303 depends on TRACE
304 help
305 Sometimes it is helpful to trace execution of U-Boot before
306 relocation. This is possible by using a arch-specific, fixed buffer
307 position in memory. Enable this option to start tracing as early as
308 possible after U-Boot starts.
309
310config TRACE_EARLY_SIZE
311 hex "Size of early trace buffer in U-Boot"
312 depends on TRACE_EARLY
313 default 0x00100000
314 help
315 Sets the size of the early trace buffer in bytes. This is used to hold
316 tracing information before relocation.
317
Heinrich Schuchardtda0fb5f2019-06-02 13:30:09 +0200318config TRACE_EARLY_CALL_DEPTH_LIMIT
319 int "Early trace call depth limit"
320 depends on TRACE_EARLY
321 default 200
322 help
323 Sets the maximum call depth up to which function calls are recorded
324 during early tracing.
325
Simon Glass1c6eb072019-04-08 13:20:52 -0600326config TRACE_EARLY_ADDR
327 hex "Address of early trace buffer in U-Boot"
328 depends on TRACE_EARLY
329 default 0x00100000
330 help
331 Sets the address of the early trace buffer in U-Boot. This memory
332 must be accessible before relocation.
333
334 A trace record is emitted for each function call and each record is
335 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If
336 the size is too small then the message which says the amount of early
337 data being coped will the the same as the
338
Loic Poulain334a9b92021-11-25 18:16:14 +0100339config CIRCBUF
340 bool "Enable circular buffer support"
341
Simon Glassd1389402015-06-23 15:38:23 -0600342source lib/dhry/Kconfig
343
Simon Glassb1a873d2017-04-26 22:27:49 -0600344menu "Security support"
345
346config AES
347 bool "Support the AES algorithm"
348 help
349 This provides a means to encrypt and decrypt data using the AES
350 (Advanced Encryption Standard). This algorithm uses a symetric key
351 and is widely used as a streaming cipher. Different key lengths are
352 supported by the algorithm but only a 128-bit key is supported at
353 present.
354
Alexandru Gagniuc928a8be2021-07-29 11:47:16 -0500355source lib/ecdsa/Kconfig
Ruchika Guptad9f23c72015-01-23 16:01:56 +0530356source lib/rsa/Kconfig
AKASHI Takahirob4adf622019-11-13 09:45:00 +0900357source lib/crypto/Kconfig
Steffen Jaeckel26dd9932021-07-08 15:57:33 +0200358source lib/crypt/Kconfig
Ruchika Guptac4beb222015-01-23 16:01:51 +0530359
Simon Glassa7d660b2015-08-22 18:31:19 -0600360config TPM
361 bool "Trusted Platform Module (TPM) Support"
Simon Glass2419cd12015-10-03 06:39:36 -0600362 depends on DM
Sughosh Ganue67ffb52022-07-22 21:32:04 +0530363 imply DM_RNG
Simon Glassa7d660b2015-08-22 18:31:19 -0600364 help
365 This enables support for TPMs which can be used to provide security
366 features for your board. The TPM can be connected via LPC or I2C
367 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
368 command to interactive the TPM. Driver model support is provided
369 for the low-level TPM interface, but only one TPM is supported at
370 a time by the TPM library.
371
Simon Glass63078962018-10-01 12:22:19 -0600372config SPL_TPM
373 bool "Trusted Platform Module (TPM) Support in SPL"
374 depends on SPL_DM
375 help
376 This enables support for TPMs which can be used to provide security
377 features for your board. The TPM can be connected via LPC or I2C
378 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
379 command to interactive the TPM. Driver model support is provided
380 for the low-level TPM interface, but only one TPM is supported at
381 a time by the TPM library.
382
383config TPL_TPM
384 bool "Trusted Platform Module (TPM) Support in TPL"
385 depends on TPL_DM
386 help
387 This enables support for TPMs which can be used to provide security
388 features for your board. The TPM can be connected via LPC or I2C
389 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
390 command to interactive the TPM. Driver model support is provided
391 for the low-level TPM interface, but only one TPM is supported at
392 a time by the TPM library.
393
Simon Glass747093d2022-04-30 00:56:53 -0600394config VPL_TPM
395 bool "Trusted Platform Module (TPM) Support in VPL"
396 depends on VPL_DM
397 help
398 This enables support for TPMs which can be used to provide security
399 features for your board. The TPM can be connected via LPC or I2C
400 and a sandbox TPM is provided for testing purposes. Use the 'tpm'
401 command to interactive the TPM. Driver model support is provided
402 for the low-level TPM interface, but only one TPM is supported at
403 a time by the TPM library.
404
Simon Glassb1a873d2017-04-26 22:27:49 -0600405endmenu
406
Igor Opaniuk33305842018-06-03 21:56:37 +0300407menu "Android Verified Boot"
408
409config LIBAVB
410 bool "Android Verified Boot 2.0 support"
411 depends on ANDROID_BOOT_IMAGE
Igor Opaniuk33305842018-06-03 21:56:37 +0300412 help
413 This enables support of Android Verified Boot 2.0 which can be used
414 to assure the end user of the integrity of the software running on a
415 device. Introduces such features as boot chain of trust, rollback
416 protection etc.
417
418endmenu
419
gaurav rana94e3c8c2015-02-20 12:51:46 +0530420menu "Hashing Support"
421
Qu Wenruo7c3fd5c2021-12-27 14:12:07 +0800422config BLAKE2
423 bool "Enable BLAKE2 support"
424 help
425 This option enables support of hashing using BLAKE2B algorithm.
426 The hash is calculated in software.
427 The BLAKE2 algorithm produces a hash value (digest) between 1 and
428 64 bytes.
429
gaurav rana94e3c8c2015-02-20 12:51:46 +0530430config SHA1
431 bool "Enable SHA1 support"
432 help
433 This option enables support of hashing using SHA1 algorithm.
434 The hash is calculated in software.
435 The SHA1 algorithm produces a 160-bit (20-byte) hash value
436 (digest).
437
438config SHA256
439 bool "Enable SHA256 support"
440 help
441 This option enables support of hashing using SHA256 algorithm.
442 The hash is calculated in software.
443 The SHA256 algorithm produces a 256-bit (32-byte) hash value
444 (digest).
445
Reuben Dowled16b38f2020-04-16 17:36:52 +1200446config SHA512
447 bool "Enable SHA512 support"
Reuben Dowled16b38f2020-04-16 17:36:52 +1200448 help
449 This option enables support of hashing using SHA512 algorithm.
450 The hash is calculated in software.
451 The SHA512 algorithm produces a 512-bit (64-byte) hash value
452 (digest).
453
454config SHA384
455 bool "Enable SHA384 support"
Alexandru Gagniuce60e4492021-09-02 19:54:18 -0500456 select SHA512
Reuben Dowled16b38f2020-04-16 17:36:52 +1200457 help
458 This option enables support of hashing using SHA384 algorithm.
Alexandru Gagniuce60e4492021-09-02 19:54:18 -0500459 The hash is calculated in software. This is also selects SHA512,
460 because these implementations share the bulk of the code..
Reuben Dowled16b38f2020-04-16 17:36:52 +1200461 The SHA384 algorithm produces a 384-bit (48-byte) hash value
462 (digest).
463
gaurav rana94e3c8c2015-02-20 12:51:46 +0530464config SHA_HW_ACCEL
Heinrich Schuchardte2ae4832021-05-14 07:08:27 +0200465 bool "Enable hardware acceleration for SHA hash functions"
gaurav rana94e3c8c2015-02-20 12:51:46 +0530466 help
Heinrich Schuchardte2ae4832021-05-14 07:08:27 +0200467 This option enables hardware acceleration for the SHA1 and SHA256
468 hashing algorithms. This affects the 'hash' command and also the
469 hash_lookup_algo() function.
470
Simon Glass603d15a2021-09-25 19:43:17 -0600471if SPL
472
473config SPL_SHA1
474 bool "Enable SHA1 support in SPL"
475 default y if SHA1
476 help
477 This option enables support of hashing using SHA1 algorithm.
478 The hash is calculated in software.
479 The SHA1 algorithm produces a 160-bit (20-byte) hash value
480 (digest).
481
482config SPL_SHA256
483 bool "Enable SHA256 support in SPL"
484 default y if SHA256
485 help
486 This option enables support of hashing using SHA256 algorithm.
487 The hash is calculated in software.
488 The SHA256 algorithm produces a 256-bit (32-byte) hash value
489 (digest).
490
491config SPL_SHA512
492 bool "Enable SHA512 support in SPL"
493 default y if SHA512
494 help
495 This option enables support of hashing using SHA512 algorithm.
496 The hash is calculated in software.
497 The SHA512 algorithm produces a 512-bit (64-byte) hash value
498 (digest).
499
500config SPL_SHA384
501 bool "Enable SHA384 support in SPL"
502 default y if SHA384
503 select SPL_SHA512
504 help
505 This option enables support of hashing using SHA384 algorithm.
506 The hash is calculated in software. This is also selects SHA512,
507 because these implementations share the bulk of the code..
508 The SHA384 algorithm produces a 384-bit (48-byte) hash value
509 (digest).
510
Simon Glass2c212562021-09-25 19:43:18 -0600511config SPL_SHA_HW_ACCEL
512 bool "Enable hardware acceleration for SHA hash functions"
513 default y if SHA_HW_ACCEL
514 help
515 This option enables hardware acceleration for the SHA1 and SHA256
516 hashing algorithms. This affects the 'hash' command and also the
517 hash_lookup_algo() function.
518
519config SPL_SHA_PROG_HW_ACCEL
520 bool "Enable Progressive hashing support using hardware in SPL"
521 depends on SHA_PROG_HW_ACCEL
522 default y
523 help
524 This option enables hardware-acceleration for SHA progressive
525 hashing.
526 Data can be streamed in a block at a time and the hashing is
527 performed in hardware.
528
Simon Glass603d15a2021-09-25 19:43:17 -0600529endif
530
Heinrich Schuchardte2ae4832021-05-14 07:08:27 +0200531if SHA_HW_ACCEL
532
533config SHA512_HW_ACCEL
534 bool "Enable hardware acceleration for SHA512"
Alexandru Gagniuce60e4492021-09-02 19:54:18 -0500535 depends on SHA512
Heinrich Schuchardte2ae4832021-05-14 07:08:27 +0200536 help
537 This option enables hardware acceleration for the SHA384 and SHA512
538 hashing algorithms. This affects the 'hash' command and also the
539 hash_lookup_algo() function.
gaurav rana94e3c8c2015-02-20 12:51:46 +0530540
541config SHA_PROG_HW_ACCEL
542 bool "Enable Progressive hashing support using hardware"
gaurav rana94e3c8c2015-02-20 12:51:46 +0530543 help
Joel Stanleya479f102021-02-17 13:50:42 +1030544 This option enables hardware-acceleration for SHA progressive
545 hashing.
546 Data can be streamed in a block at a time and the hashing is
547 performed in hardware.
Andre Przywarabea79d72017-03-15 01:19:05 +0000548
Heinrich Schuchardte2ae4832021-05-14 07:08:27 +0200549endif
550
Andre Przywarabea79d72017-03-15 01:19:05 +0000551config MD5
Simon Glass8239be62020-05-06 08:03:56 -0600552 bool "Support MD5 algorithm"
553 help
554 This option enables MD5 support. MD5 is an algorithm designed
555 in 1991 that produces a 16-byte digest (or checksum) from its input
556 data. It has a number of vulnerabilities which preclude its use in
557 security applications, but it can be useful for providing a quick
558 checksum of a block of data.
559
560config SPL_MD5
561 bool "Support MD5 algorithm in SPL"
Tom Rinib3401992022-06-10 23:03:09 -0400562 depends on SPL
Simon Glass8239be62020-05-06 08:03:56 -0600563 help
564 This option enables MD5 support in SPL. MD5 is an algorithm designed
565 in 1991 that produces a 16-byte digest (or checksum) from its input
566 data. It has a number of vulnerabilities which preclude its use in
567 security applications, but it can be useful for providing a quick
568 checksum of a block of data.
Andre Przywarabea79d72017-03-15 01:19:05 +0000569
Simon Glasse7d285b2021-09-25 19:43:24 -0600570config CRC32
571 def_bool y
572 help
573 Enables CRC32 support in U-Boot. This is normally required.
574
Marek Behún85d8bf52017-09-03 17:00:23 +0200575config CRC32C
576 bool
577
Marek Behún83a486b2019-04-29 22:40:43 +0200578config XXHASH
579 bool
580
gaurav rana94e3c8c2015-02-20 12:51:46 +0530581endmenu
582
Julius Werner027b7282015-10-06 20:03:53 -0700583menu "Compression Support"
584
585config LZ4
586 bool "Enable LZ4 decompression support"
587 help
588 If this option is set, support for LZ4 compressed images
589 is included. The LZ4 algorithm can run in-place as long as the
590 compressed image is loaded to the end of the output buffer, and
591 trades lower compression ratios for much faster decompression.
Patrick Delaunay4fa01502021-03-10 10:16:28 +0100592
Julius Werner027b7282015-10-06 20:03:53 -0700593 NOTE: This implements the release version of the LZ4 frame
594 format as generated by default by the 'lz4' command line tool.
595 This is not the same as the outdated, less efficient legacy
596 frame format currently (2015) implemented in the Linux kernel
597 (generated by 'lz4 -l'). The two formats are incompatible.
598
Simon Glassaed998a2017-05-17 03:25:42 -0600599config LZMA
600 bool "Enable LZMA decompression support"
601 help
602 This enables support for LZMA (Lempel-Ziv-Markov chain algorithm),
603 a dictionary compression algorithm that provides a high compression
604 ratio and fairly fast decompression speed. See also
605 CONFIG_CMD_LZMADEC which provides a decode command.
606
Boris Brezillon173aafb2017-02-27 18:22:06 +0100607config LZO
Tom Rinid56b4b12017-07-22 18:36:16 -0400608 bool "Enable LZO decompression support"
609 help
Oleksandr Suvorov5145bc72021-09-01 16:05:08 +0300610 This enables support for the LZO compression algorithm.
York Sun7264f292017-08-15 11:14:43 -0700611
Marek Vasut95f4bbd2019-03-08 16:06:55 +0100612config GZIP
Heiko Schocher51323612019-04-29 08:59:38 +0200613 bool "Enable gzip decompression support"
Marek Vasut95f4bbd2019-03-08 16:06:55 +0100614 select ZLIB
615 default y
616 help
617 This enables support for GZIP compression algorithm.
618
Joao Marcos Costa81014f72020-07-30 15:33:49 +0200619config ZLIB_UNCOMPRESS
620 bool "Enables zlib's uncompress() functionality"
621 help
622 This enables an extra zlib functionality: the uncompress() function,
623 which decompresses data from a buffer into another, knowing their
624 sizes. Unlike gunzip(), there is no header parsing.
625
Michael Walleeff5a542020-05-22 14:07:36 +0200626config GZIP_COMPRESSED
627 bool
628 select ZLIB
629
Atish Patra2a2119e2020-03-05 16:24:21 -0800630config BZIP2
631 bool "Enable bzip2 decompression support"
632 help
633 This enables support for BZIP2 compression algorithm.
634
Marek Vasut95f4bbd2019-03-08 16:06:55 +0100635config ZLIB
636 bool
637 default y
638 help
639 This enables ZLIB compression lib.
640
Marek Behún8509f222019-04-29 22:40:44 +0200641config ZSTD
642 bool "Enable Zstandard decompression support"
643 select XXHASH
644 help
645 This enables Zstandard decompression library.
646
Simon Glass048c6e82018-11-06 15:21:30 -0700647config SPL_LZ4
648 bool "Enable LZ4 decompression support in SPL"
Tom Rinib3401992022-06-10 23:03:09 -0400649 depends on SPL
Simon Glass048c6e82018-11-06 15:21:30 -0700650 help
Marcin Juszkiewicz43e442a2020-05-26 19:07:15 +0200651 This enables support for the LZ4 decompression algorithm in SPL. LZ4
Simon Glass048c6e82018-11-06 15:21:30 -0700652 is a lossless data compression algorithm that is focused on
653 fast compression and decompression speed. It belongs to the LZ77
654 family of byte-oriented compression schemes.
655
Weijie Gao04cb3992020-04-21 09:28:38 +0200656config SPL_LZMA
657 bool "Enable LZMA decompression support for SPL build"
Tom Rinib3401992022-06-10 23:03:09 -0400658 depends on SPL
Weijie Gao04cb3992020-04-21 09:28:38 +0200659 help
Marcin Juszkiewicz43e442a2020-05-26 19:07:15 +0200660 This enables support for LZMA compression algorithm for SPL boot.
Weijie Gao04cb3992020-04-21 09:28:38 +0200661
Simon Glass747093d2022-04-30 00:56:53 -0600662config VPL_LZMA
663 bool "Enable LZMA decompression support for VPL build"
664 default y if LZMA
665 help
666 This enables support for LZMA compression algorithm for VPL boot.
667
Jean-Jacques Hiblotf52bdf42017-09-15 12:57:30 +0200668config SPL_LZO
669 bool "Enable LZO decompression support in SPL"
Tom Rinib3401992022-06-10 23:03:09 -0400670 depends on SPL
Jean-Jacques Hiblotf52bdf42017-09-15 12:57:30 +0200671 help
672 This enables support for LZO compression algorithm in the SPL.
673
York Sun7264f292017-08-15 11:14:43 -0700674config SPL_GZIP
675 bool "Enable gzip decompression support for SPL build"
676 select SPL_ZLIB
677 help
Oleksandr Suvorov5145bc72021-09-01 16:05:08 +0300678 This enables support for the GZIP compression algorithm for SPL boot.
York Sun7264f292017-08-15 11:14:43 -0700679
680config SPL_ZLIB
681 bool
682 help
683 This enables compression lib for SPL boot.
684
Marek Behún8509f222019-04-29 22:40:44 +0200685config SPL_ZSTD
686 bool "Enable Zstandard decompression support in SPL"
Tom Rinib3401992022-06-10 23:03:09 -0400687 depends on SPL
Marek Behún8509f222019-04-29 22:40:44 +0200688 select XXHASH
689 help
690 This enables Zstandard decompression library in the SPL.
691
Julius Werner027b7282015-10-06 20:03:53 -0700692endmenu
693
Przemyslaw Marczak6501ff62015-04-20 20:07:40 +0200694config ERRNO_STR
695 bool "Enable function for getting errno-related string message"
696 help
697 The function errno_str(int errno), returns a pointer to the errno
698 corresponding text message:
699 - if errno is null or positive number - a pointer to "Success" message
700 - if errno is negative - a pointer to errno related message
701
Alexey Brodkinf8c987f2018-06-05 17:17:57 +0300702config HEXDUMP
703 bool "Enable hexdump"
704 help
705 This enables functions for printing dumps of binary data.
706
Simon Glass26637e22020-09-12 11:13:35 -0600707config SPL_HEXDUMP
708 bool "Enable hexdump in SPL"
Heinrich Schuchardtfa3f1f12021-07-24 17:35:46 +0200709 depends on SPL && HEXDUMP
Simon Glass26637e22020-09-12 11:13:35 -0600710 help
711 This enables functions for printing dumps of binary data in
712 SPL.
713
Sean Anderson72eda502020-10-27 19:55:36 -0400714config GETOPT
715 bool "Enable getopt"
716 help
717 This enables functions for parsing command-line options.
718
Simon Glass69e173e2016-02-22 22:55:42 -0700719config OF_LIBFDT
720 bool "Enable the FDT library"
721 default y if OF_CONTROL
722 help
723 This enables the FDT library (libfdt). It provides functions for
724 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinf1a7ba12017-08-18 17:58:51 +0200725 removing nodes and properties, scanning through the tree and finding
Simon Glass69e173e2016-02-22 22:55:42 -0700726 particular compatible nodes. The library operates on a flattened
727 version of the device tree.
728
Simon Glass0d76afc2019-10-27 09:47:40 -0600729config OF_LIBFDT_ASSUME_MASK
730 hex "Mask of conditions to assume for libfdt"
731 depends on OF_LIBFDT || FIT
732 default 0
733 help
734 Use this to change the assumptions made by libfdt about the
735 device tree it is working with. A value of 0 means that no assumptions
736 are made, and libfdt is able to deal with malicious data. A value of
737 0xff means all assumptions are made and any invalid data may cause
738 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
739
Maxime Ripardddf67f72016-07-05 10:26:44 +0200740config OF_LIBFDT_OVERLAY
741 bool "Enable the FDT library overlay support"
Tom Rini64175722018-05-08 08:52:17 -0400742 depends on OF_LIBFDT
Praneeth Bajjuri58a46f82018-04-25 16:03:23 -0500743 default y if ARCH_OMAP2PLUS || ARCH_KEYSTONE
Maxime Ripardddf67f72016-07-05 10:26:44 +0200744 help
745 This enables the FDT library (libfdt) overlay support.
746
Tom Rini40ed7be2022-08-02 07:33:27 -0400747config SYS_FDT_PAD
748 hex "Maximum size of the FDT memory area passeed to the OS"
749 depends on OF_LIBFDT
750 default 0x13000 if FMAN_ENET || QE || U_QE
751 default 0x3000
752 help
753 During OS boot, we allocate a region of memory within the bootmap
754 for the FDT. This is the size that we will expand the FDT that we
755 are using will be extended to be, in bytes.
756
Simon Glassaa34fbc2016-02-22 22:55:45 -0700757config SPL_OF_LIBFDT
758 bool "Enable the FDT library for SPL"
Simon Glass747093d2022-04-30 00:56:53 -0600759 depends on SPL_LIBGENERIC_SUPPORT
Simon Glassaa34fbc2016-02-22 22:55:45 -0700760 default y if SPL_OF_CONTROL
761 help
762 This enables the FDT library (libfdt). It provides functions for
763 accessing binary device tree images in memory, such as adding and
Anatolij Gustschinf1a7ba12017-08-18 17:58:51 +0200764 removing nodes and properties, scanning through the tree and finding
Simon Glassaa34fbc2016-02-22 22:55:45 -0700765 particular compatible nodes. The library operates on a flattened
766 version of the device tree.
767
Simon Glass0d76afc2019-10-27 09:47:40 -0600768config SPL_OF_LIBFDT_ASSUME_MASK
769 hex "Mask of conditions to assume for libfdt"
Tom Rinib3401992022-06-10 23:03:09 -0400770 depends on SPL_OF_LIBFDT || (FIT && SPL)
Simon Glass0d76afc2019-10-27 09:47:40 -0600771 default 0xff
772 help
773 Use this to change the assumptions made by libfdt in SPL about the
774 device tree it is working with. A value of 0 means that no assumptions
775 are made, and libfdt is able to deal with malicious data. A value of
776 0xff means all assumptions are made and any invalid data may cause
777 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
778
Simon Glass5592a632018-10-01 12:22:21 -0600779config TPL_OF_LIBFDT
780 bool "Enable the FDT library for TPL"
Simon Glass747093d2022-04-30 00:56:53 -0600781 depends on TPL_LIBGENERIC_SUPPORT
Simon Glass5592a632018-10-01 12:22:21 -0600782 default y if TPL_OF_CONTROL
783 help
784 This enables the FDT library (libfdt). It provides functions for
785 accessing binary device tree images in memory, such as adding and
786 removing nodes and properties, scanning through the tree and finding
787 particular compatible nodes. The library operates on a flattened
788 version of the device tree.
789
Simon Glass0d76afc2019-10-27 09:47:40 -0600790config TPL_OF_LIBFDT_ASSUME_MASK
791 hex "Mask of conditions to assume for libfdt"
Tom Rini8bea4bf2022-06-08 08:24:39 -0400792 depends on TPL_OF_LIBFDT || (FIT && TPL)
Simon Glass0d76afc2019-10-27 09:47:40 -0600793 default 0xff
794 help
795 Use this to change the assumptions made by libfdt in TPL about the
796 device tree it is working with. A value of 0 means that no assumptions
797 are made, and libfdt is able to deal with malicious data. A value of
798 0xff means all assumptions are made and any invalid data may cause
799 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
800
Simon Glass747093d2022-04-30 00:56:53 -0600801config VPL_OF_LIBFDT
802 bool "Enable the FDT library for VPL"
Tom Rini13ce3512022-06-08 08:24:40 -0400803 depends on VPL
Simon Glass747093d2022-04-30 00:56:53 -0600804 default y if VPL_OF_CONTROL && !VPL_OF_PLATDATA
805 help
806 This enables the FDT library (libfdt). It provides functions for
807 accessing binary device tree images in memory, such as adding and
808 removing nodes and properties, scanning through the tree and finding
809 particular compatible nodes. The library operates on a flattened
810 version of the device tree.
811
812config VPL_OF_LIBFDT_ASSUME_MASK
813 hex "Mask of conditions to assume for libfdt"
Tom Rini13ce3512022-06-08 08:24:40 -0400814 depends on VPL_OF_LIBFDT || (FIT && VPL)
Simon Glass747093d2022-04-30 00:56:53 -0600815 default 0xff
816 help
817 Use this to change the assumptions made by libfdt in SPL about the
818 device tree it is working with. A value of 0 means that no assumptions
819 are made, and libfdt is able to deal with malicious data. A value of
820 0xff means all assumptions are made and any invalid data may cause
821 unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h
822
Heiko Schocherebf7fff2016-10-06 07:31:45 +0200823config FDT_FIXUP_PARTITIONS
824 bool "overwrite MTD partitions in DTS through defined in 'mtdparts'"
825 depends on OF_LIBFDT
Masahiro Yamadaab948cd2018-07-20 11:04:09 +0900826 depends on CMD_MTDPARTS
Heiko Schocherebf7fff2016-10-06 07:31:45 +0200827 help
828 Allow overwriting defined partitions in the device tree blob
829 using partition info defined in the 'mtdparts' environment
830 variable.
831
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200832menu "System tables"
Alexander Grafe663b352016-08-19 01:23:29 +0200833 depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER)
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200834
Simon Glassd2cb7a22020-11-04 09:57:25 -0700835config BLOBLIST_TABLES
836 bool "Put tables in a bloblist"
Simon Glassf2c14422021-03-15 18:11:22 +1300837 depends on X86 && BLOBLIST
Simon Glassd2cb7a22020-11-04 09:57:25 -0700838 help
839 Normally tables are placed at address 0xf0000 and can be up to 64KB
840 long. With this option, tables are instead placed in the bloblist
841 with a pointer from 0xf0000. The size can then be larger and the
842 tables can be placed high in memory.
843
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200844config GENERATE_SMBIOS_TABLE
845 bool "Generate an SMBIOS (System Management BIOS) table"
846 default y
Alexander Grafe663b352016-08-19 01:23:29 +0200847 depends on X86 || EFI_LOADER
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200848 help
849 The System Management BIOS (SMBIOS) specification addresses how
850 motherboard and system vendors present management information about
851 their products in a standard format by extending the BIOS interface
852 on Intel architecture systems.
853
854 Check http://www.dmtf.org/standards/smbios for details.
855
Simon Glass44c74bd2020-11-05 06:32:11 -0700856 See also SMBIOS_SYSINFO which allows SMBIOS values to be provided in
857 the devicetree.
858
Tero Kristo7d0f3fb2021-06-11 11:45:02 +0300859config LIB_RATIONAL
860 bool "enable continued fraction calculation routines"
861
862config SPL_LIB_RATIONAL
863 bool "enable continued fraction calculation routines for SPL"
864 depends on SPL
865
Alexander Graf4b6dddc2016-08-19 01:23:23 +0200866endmenu
867
AKASHI Takahiro2b121962019-11-13 09:44:53 +0900868config ASN1_COMPILER
869 bool
Philippe Reynesa0e71d92022-03-28 22:56:54 +0200870 help
871 ASN.1 (Abstract Syntax Notation One) is a standard interface
872 description language for defining data structures that can be
873 serialized and deserialized in a cross-platform way. It is
874 broadly used in telecommunications and computer networking,
875 and especially in cryptography (https://en.wikipedia.org/wiki/ASN.1).
876 This option enables the support of the asn1 compiler.
AKASHI Takahiro2b121962019-11-13 09:44:53 +0900877
AKASHI Takahiroab8a0e02019-11-13 09:44:55 +0900878config ASN1_DECODER
879 bool
880 help
Philippe Reynesa0e71d92022-03-28 22:56:54 +0200881 ASN.1 (Abstract Syntax Notation One) is a standard interface
882 description language for defining data structures that can be
883 serialized and deserialized in a cross-platform way. It is
884 broadly used in telecommunications and computer networking,
885 and especially in cryptography (https://en.wikipedia.org/wiki/ASN.1).
886 This option enables the support of the asn1 decoder.
AKASHI Takahiroab8a0e02019-11-13 09:44:55 +0900887
Philippe Reynesfd210fe2022-03-28 22:56:56 +0200888config SPL_ASN1_DECODER
889 bool
890 help
891 ASN.1 (Abstract Syntax Notation One) is a standard interface
892 description language for defining data structures that can be
893 serialized and deserialized in a cross-platform way. It is
894 broadly used in telecommunications and computer networking,
895 and especially in cryptography (https://en.wikipedia.org/wiki/ASN.1).
896 This option enables the support of the asn1 decoder in the SPL.
897
AKASHI Takahiroa9b45e62019-11-13 09:44:57 +0900898config OID_REGISTRY
899 bool
900 help
Philippe Reynes7d44a982022-03-28 22:56:55 +0200901 In computing, object identifiers or OIDs are an identifier mechanism
902 standardized by the International Telecommunication Union (ITU) and
903 ISO/IEC for naming any object, concept, or "thing" with a globally
904 unambiguous persistent name (https://en.wikipedia.org/wiki/Object_identifier).
AKASHI Takahiroa9b45e62019-11-13 09:44:57 +0900905 Enable fast lookup object identifier registry.
906
Philippe Reynesfd210fe2022-03-28 22:56:56 +0200907config SPL_OID_REGISTRY
908 bool
909 help
910 In computing, object identifiers or OIDs are an identifier mechanism
911 standardized by the International Telecommunication Union (ITU) and
912 ISO/IEC for naming any object, concept, or "thing" with a globally
913 unambiguous persistent name (https://en.wikipedia.org/wiki/Object_identifier).
914 Enable fast lookup object identifier registry in the SPL.
915
Christian Gmeiner415eab02020-11-03 15:34:51 +0100916config SMBIOS_PARSER
917 bool "SMBIOS parser"
918 help
919 A simple parser for SMBIOS data.
920
Simon Glass867a6ac2015-07-31 09:31:36 -0600921source lib/efi/Kconfig
Alexander Grafed980b82016-03-04 01:10:07 +0100922source lib/efi_loader/Kconfig
Bryan O'Donoghue32ce6172018-03-13 16:50:27 +0000923source lib/optee/Kconfig
Simon Glass867a6ac2015-07-31 09:31:36 -0600924
Thierry Reding54969b42019-03-21 19:10:04 +0100925config TEST_FDTDEC
926 bool "enable fdtdec test"
927 depends on OF_LIBFDT
928
AKASHI Takahiro05429b62019-11-13 09:44:49 +0900929config LIB_DATE
930 bool
931
Keerthy805b3ca2020-02-12 13:55:03 +0530932config LIB_ELF
933 bool
934 help
Patrick Delaunay6205bbb2021-01-04 15:33:28 +0100935 Support basic elf loading/validating functions.
936 This supports for 32 bit and 64 bit versions.
Keerthy805b3ca2020-02-12 13:55:03 +0530937
Patrick Delaunay77b8cfe2021-03-10 10:16:25 +0100938config LMB
939 bool "Enable the logical memory blocks library (lmb)"
Tom Rini11232132022-04-06 09:21:25 -0400940 default y if ARC || ARM || M68K || MICROBLAZE || MIPS || \
Patrick Delaunay77b8cfe2021-03-10 10:16:25 +0100941 NIOS2 || PPC || RISCV || SANDBOX || SH || X86 || XTENSA
942 help
943 Support the library logical memory blocks.
944
Patrick Delaunay6d665022021-03-10 10:16:31 +0100945config LMB_USE_MAX_REGIONS
Heinrich Schuchardtac7606a2021-11-14 09:38:53 +0100946 bool "Use a common number of memory and reserved regions in lmb lib"
Patrick Delaunay6d665022021-03-10 10:16:31 +0100947 depends on LMB
948 default y
949 help
950 Define the number of supported memory regions in the library logical
951 memory blocks.
952 This feature allow to reduce the lmb library size by using compiler
953 optimization when LMB_MEMORY_REGIONS == LMB_RESERVED_REGIONS.
Patrick Delaunay4fa01502021-03-10 10:16:28 +0100954
955config LMB_MAX_REGIONS
956 int "Number of memory and reserved regions in lmb lib"
Patrick Delaunay6d665022021-03-10 10:16:31 +0100957 depends on LMB && LMB_USE_MAX_REGIONS
Patrick Delaunay4fa01502021-03-10 10:16:28 +0100958 default 8
959 help
960 Define the number of supported regions, memory and reserved, in the
961 library logical memory blocks.
Patrick Delaunay6d665022021-03-10 10:16:31 +0100962
963config LMB_MEMORY_REGIONS
964 int "Number of memory regions in lmb lib"
965 depends on LMB && !LMB_USE_MAX_REGIONS
966 default 8
967 help
968 Define the number of supported memory regions in the library logical
969 memory blocks.
970 The minimal value is CONFIG_NR_DRAM_BANKS.
971
972config LMB_RESERVED_REGIONS
973 int "Number of reserved regions in lmb lib"
974 depends on LMB && !LMB_USE_MAX_REGIONS
975 default 8
976 help
977 Define the number of supported reserved regions in the library logical
978 memory blocks.
979
Eugen Hristev97f2a742022-01-04 18:20:19 +0200980endmenu
Sughosh Ganu86794052022-10-21 18:16:03 +0530981
982menu "FWU Multi Bank Updates"
983
984source lib/fwu_updates/Kconfig
985
986endmenu