Masahiro Yamada | f3e12b7 | 2014-09-16 16:32:58 +0900 | [diff] [blame] | 1 | menu "Library routines" |
| 2 | |
Adam Ford | 02bf536 | 2017-08-11 09:46:05 -0500 | [diff] [blame] | 3 | config 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 Yamada | 3f053fe | 2014-09-16 16:32:59 +0900 | [diff] [blame] | 10 | config 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 Abbas | 6199fb1 | 2018-02-06 19:15:58 +0530 | [diff] [blame] | 18 | config 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 | |
Masahiro Yamada | 9520b71 | 2014-10-24 01:30:43 +0900 | [diff] [blame] | 24 | config HAVE_PRIVATE_LIBGCC |
| 25 | bool |
| 26 | |
Adam Ford | 70c8f05 | 2018-02-06 12:14:28 -0600 | [diff] [blame] | 27 | config LIB_UUID |
| 28 | bool |
| 29 | |
Alex Kiernan | 5b40428 | 2018-04-19 04:32:54 +0000 | [diff] [blame] | 30 | config PRINTF |
| 31 | bool |
| 32 | default y |
| 33 | |
| 34 | config SPL_PRINTF |
| 35 | bool |
| 36 | select SPL_SPRINTF |
| 37 | select SPL_STRTO if !USE_TINY_PRINTF |
| 38 | |
| 39 | config TPL_PRINTF |
| 40 | bool |
| 41 | select TPL_SPRINTF |
| 42 | select TPL_STRTO if !USE_TINY_PRINTF |
| 43 | |
| 44 | config SPRINTF |
| 45 | bool |
| 46 | default y |
| 47 | |
| 48 | config SPL_SPRINTF |
| 49 | bool |
| 50 | |
| 51 | config TPL_SPRINTF |
| 52 | bool |
| 53 | |
| 54 | config STRTO |
| 55 | bool |
| 56 | default y |
| 57 | |
| 58 | config SPL_STRTO |
| 59 | bool |
| 60 | |
| 61 | config TPL_STRTO |
| 62 | bool |
| 63 | |
Alex Kiernan | c568bcb | 2018-05-29 15:30:52 +0000 | [diff] [blame] | 64 | config IMAGE_SPARSE |
| 65 | bool |
| 66 | |
| 67 | config IMAGE_SPARSE_FILLBUF_SIZE |
| 68 | hex "Android sparse image CHUNK_TYPE_FILL buffer size" |
| 69 | default 0x80000 |
| 70 | depends on IMAGE_SPARSE |
| 71 | help |
| 72 | Set the size of the fill buffer used when processing CHUNK_TYPE_FILL |
| 73 | chunks. |
| 74 | |
Masahiro Yamada | 9520b71 | 2014-10-24 01:30:43 +0900 | [diff] [blame] | 75 | config USE_PRIVATE_LIBGCC |
| 76 | bool "Use private libgcc" |
| 77 | depends on HAVE_PRIVATE_LIBGCC |
Marek Vasut | 4e0126e | 2016-05-26 18:01:47 +0200 | [diff] [blame] | 78 | default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS) |
Masahiro Yamada | 9520b71 | 2014-10-24 01:30:43 +0900 | [diff] [blame] | 79 | help |
| 80 | This option allows you to use the built-in libgcc implementation |
Masahiro Yamada | 1c6a5e4 | 2016-03-30 20:17:42 +0900 | [diff] [blame] | 81 | of U-Boot instead of the one provided by the compiler. |
Masahiro Yamada | 9520b71 | 2014-10-24 01:30:43 +0900 | [diff] [blame] | 82 | If unsure, say N. |
| 83 | |
Masahiro Yamada | e301fa0 | 2014-10-24 01:30:40 +0900 | [diff] [blame] | 84 | config SYS_HZ |
| 85 | int |
| 86 | default 1000 |
| 87 | help |
| 88 | The frequency of the timer returned by get_timer(). |
| 89 | get_timer() must operate in milliseconds and this option must be |
| 90 | set to 1000. |
| 91 | |
Stefan Roese | 363ab7b | 2015-11-23 07:00:22 +0100 | [diff] [blame] | 92 | config USE_TINY_PRINTF |
| 93 | bool "Enable tiny printf() version" |
| 94 | help |
| 95 | This option enables a tiny, stripped down printf version. |
| 96 | This should only be used in space limited environments, |
| 97 | like SPL versions with hard memory limits. This version |
| 98 | reduces the code size by about 2.5KiB on armv7. |
| 99 | |
| 100 | The supported format specifiers are %c, %s, %u/%d and %x. |
| 101 | |
Masahiro Yamada | acede7a | 2017-12-04 12:37:00 +0900 | [diff] [blame] | 102 | config PANIC_HANG |
| 103 | bool "Do not reset the system on fatal error" |
| 104 | help |
| 105 | Define this option to stop the system in case of a fatal error, |
| 106 | so that you have to reset it manually. This is probably NOT a good |
| 107 | idea for an embedded system where you want the system to reboot |
| 108 | automatically as fast as possible, but it may be useful during |
| 109 | development since you can try to debug the conditions that lead to |
| 110 | the situation. |
| 111 | |
Joe Hershberger | 937d3e8 | 2015-04-21 17:02:42 -0500 | [diff] [blame] | 112 | config REGEX |
| 113 | bool "Enable regular expression support" |
Joe Hershberger | 8ab8b72 | 2015-06-22 17:57:36 -0500 | [diff] [blame] | 114 | default y if NET |
Joe Hershberger | 937d3e8 | 2015-04-21 17:02:42 -0500 | [diff] [blame] | 115 | help |
| 116 | If this variable is defined, U-Boot is linked against the |
| 117 | SLRE (Super Light Regular Expression) library, which adds |
| 118 | regex support to some commands, for example "env grep" and |
| 119 | "setexpr". |
| 120 | |
Adam Ford | 38003a6 | 2018-02-06 10:18:18 -0600 | [diff] [blame] | 121 | choice |
| 122 | prompt "Pseudo-random library support type" |
| 123 | depends on NET_RANDOM_ETHADDR || RANDOM_UUID || CMD_UUID |
| 124 | default LIB_RAND |
Masahiro Yamada | 2743c07 | 2015-06-11 19:16:43 +0900 | [diff] [blame] | 125 | help |
Adam Ford | 38003a6 | 2018-02-06 10:18:18 -0600 | [diff] [blame] | 126 | Select the library to provide pseudo-random number generator |
| 127 | functions. LIB_HW_RAND supports certain hardware engines that |
| 128 | provide this functionality. If in doubt, select LIB_RAND. |
| 129 | |
| 130 | config LIB_RAND |
| 131 | bool "Pseudo-random library support" |
| 132 | |
| 133 | config LIB_HW_RAND |
| 134 | bool "HW Engine for random libray support" |
| 135 | |
| 136 | endchoice |
Michal Simek | 2c1b1db | 2015-05-25 11:37:22 +0200 | [diff] [blame] | 137 | |
Simon Glass | e2f94ae | 2017-04-02 09:50:28 -0600 | [diff] [blame] | 138 | config SPL_TINY_MEMSET |
| 139 | bool "Use a very small memset() in SPL" |
| 140 | help |
| 141 | The faster memset() is the arch-specific one (if available) enabled |
| 142 | by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get |
| 143 | better performance by writing a word at a time. But in very |
| 144 | size-constrained envrionments even this may be too big. Enable this |
| 145 | option to reduce code size slightly at the cost of some speed. |
| 146 | |
Philipp Tomsich | fefc4ec | 2017-08-03 22:52:04 +0200 | [diff] [blame] | 147 | config TPL_TINY_MEMSET |
| 148 | bool "Use a very small memset() in TPL" |
| 149 | help |
| 150 | The faster memset() is the arch-specific one (if available) enabled |
| 151 | by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get |
| 152 | better performance by writing a word at a time. But in very |
| 153 | size-constrained envrionments even this may be too big. Enable this |
| 154 | option to reduce code size slightly at the cost of some speed. |
| 155 | |
Boris Brezillon | 627dc18 | 2017-02-27 18:22:05 +0100 | [diff] [blame] | 156 | config RBTREE |
| 157 | bool |
| 158 | |
Nandor Han | d5ea84a | 2017-11-08 15:35:14 +0000 | [diff] [blame] | 159 | config BITREVERSE |
| 160 | bool "Bit reverse library from Linux" |
| 161 | |
Simon Glass | 99dbe4b | 2015-06-23 15:38:23 -0600 | [diff] [blame] | 162 | source lib/dhry/Kconfig |
| 163 | |
Simon Glass | 528fdd1 | 2017-04-26 22:27:49 -0600 | [diff] [blame] | 164 | menu "Security support" |
| 165 | |
| 166 | config AES |
| 167 | bool "Support the AES algorithm" |
| 168 | help |
| 169 | This provides a means to encrypt and decrypt data using the AES |
| 170 | (Advanced Encryption Standard). This algorithm uses a symetric key |
| 171 | and is widely used as a streaming cipher. Different key lengths are |
| 172 | supported by the algorithm but only a 128-bit key is supported at |
| 173 | present. |
| 174 | |
Ruchika Gupta | 4acd8c4 | 2015-01-23 16:01:56 +0530 | [diff] [blame] | 175 | source lib/rsa/Kconfig |
Ruchika Gupta | 2c3822e | 2015-01-23 16:01:51 +0530 | [diff] [blame] | 176 | |
Simon Glass | 350497c | 2015-08-22 18:31:19 -0600 | [diff] [blame] | 177 | config TPM |
| 178 | bool "Trusted Platform Module (TPM) Support" |
Simon Glass | cf294b0 | 2015-10-03 06:39:36 -0600 | [diff] [blame] | 179 | depends on DM |
Simon Glass | 350497c | 2015-08-22 18:31:19 -0600 | [diff] [blame] | 180 | help |
| 181 | This enables support for TPMs which can be used to provide security |
| 182 | features for your board. The TPM can be connected via LPC or I2C |
| 183 | and a sandbox TPM is provided for testing purposes. Use the 'tpm' |
| 184 | command to interactive the TPM. Driver model support is provided |
| 185 | for the low-level TPM interface, but only one TPM is supported at |
| 186 | a time by the TPM library. |
| 187 | |
Simon Glass | 93a45b1 | 2018-10-01 12:22:19 -0600 | [diff] [blame^] | 188 | config SPL_TPM |
| 189 | bool "Trusted Platform Module (TPM) Support in SPL" |
| 190 | depends on SPL_DM |
| 191 | help |
| 192 | This enables support for TPMs which can be used to provide security |
| 193 | features for your board. The TPM can be connected via LPC or I2C |
| 194 | and a sandbox TPM is provided for testing purposes. Use the 'tpm' |
| 195 | command to interactive the TPM. Driver model support is provided |
| 196 | for the low-level TPM interface, but only one TPM is supported at |
| 197 | a time by the TPM library. |
| 198 | |
| 199 | config TPL_TPM |
| 200 | bool "Trusted Platform Module (TPM) Support in TPL" |
| 201 | depends on TPL_DM |
| 202 | help |
| 203 | This enables support for TPMs which can be used to provide security |
| 204 | features for your board. The TPM can be connected via LPC or I2C |
| 205 | and a sandbox TPM is provided for testing purposes. Use the 'tpm' |
| 206 | command to interactive the TPM. Driver model support is provided |
| 207 | for the low-level TPM interface, but only one TPM is supported at |
| 208 | a time by the TPM library. |
| 209 | |
Simon Glass | 528fdd1 | 2017-04-26 22:27:49 -0600 | [diff] [blame] | 210 | endmenu |
| 211 | |
Igor Opaniuk | 525d1d8 | 2018-06-03 21:56:37 +0300 | [diff] [blame] | 212 | menu "Android Verified Boot" |
| 213 | |
| 214 | config LIBAVB |
| 215 | bool "Android Verified Boot 2.0 support" |
| 216 | depends on ANDROID_BOOT_IMAGE |
| 217 | default n |
| 218 | help |
| 219 | This enables support of Android Verified Boot 2.0 which can be used |
| 220 | to assure the end user of the integrity of the software running on a |
| 221 | device. Introduces such features as boot chain of trust, rollback |
| 222 | protection etc. |
| 223 | |
| 224 | endmenu |
| 225 | |
gaurav rana | ef20159 | 2015-02-20 12:51:46 +0530 | [diff] [blame] | 226 | menu "Hashing Support" |
| 227 | |
| 228 | config SHA1 |
| 229 | bool "Enable SHA1 support" |
| 230 | help |
| 231 | This option enables support of hashing using SHA1 algorithm. |
| 232 | The hash is calculated in software. |
| 233 | The SHA1 algorithm produces a 160-bit (20-byte) hash value |
| 234 | (digest). |
| 235 | |
| 236 | config SHA256 |
| 237 | bool "Enable SHA256 support" |
| 238 | help |
| 239 | This option enables support of hashing using SHA256 algorithm. |
| 240 | The hash is calculated in software. |
| 241 | The SHA256 algorithm produces a 256-bit (32-byte) hash value |
| 242 | (digest). |
| 243 | |
| 244 | config SHA_HW_ACCEL |
| 245 | bool "Enable hashing using hardware" |
| 246 | help |
| 247 | This option enables hardware acceleration |
| 248 | for SHA1/SHA256 hashing. |
| 249 | This affects the 'hash' command and also the |
| 250 | hash_lookup_algo() function. |
| 251 | |
| 252 | config SHA_PROG_HW_ACCEL |
| 253 | bool "Enable Progressive hashing support using hardware" |
| 254 | depends on SHA_HW_ACCEL |
| 255 | help |
| 256 | This option enables hardware-acceleration for |
| 257 | SHA1/SHA256 progressive hashing. |
| 258 | Data can be streamed in a block at a time and the hashing |
| 259 | is performed in hardware. |
Andre Przywara | f0fa113 | 2017-03-15 01:19:05 +0000 | [diff] [blame] | 260 | |
| 261 | config MD5 |
| 262 | bool |
| 263 | |
Marek BehĂșn | cdccc03 | 2017-09-03 17:00:23 +0200 | [diff] [blame] | 264 | config CRC32C |
| 265 | bool |
| 266 | |
gaurav rana | ef20159 | 2015-02-20 12:51:46 +0530 | [diff] [blame] | 267 | endmenu |
| 268 | |
Julius Werner | f41a3ca | 2015-10-06 20:03:53 -0700 | [diff] [blame] | 269 | menu "Compression Support" |
| 270 | |
| 271 | config LZ4 |
| 272 | bool "Enable LZ4 decompression support" |
| 273 | help |
| 274 | If this option is set, support for LZ4 compressed images |
| 275 | is included. The LZ4 algorithm can run in-place as long as the |
| 276 | compressed image is loaded to the end of the output buffer, and |
| 277 | trades lower compression ratios for much faster decompression. |
| 278 | |
| 279 | NOTE: This implements the release version of the LZ4 frame |
| 280 | format as generated by default by the 'lz4' command line tool. |
| 281 | This is not the same as the outdated, less efficient legacy |
| 282 | frame format currently (2015) implemented in the Linux kernel |
| 283 | (generated by 'lz4 -l'). The two formats are incompatible. |
| 284 | |
Simon Glass | 264aa5f | 2017-05-17 03:25:42 -0600 | [diff] [blame] | 285 | config LZMA |
| 286 | bool "Enable LZMA decompression support" |
| 287 | help |
| 288 | This enables support for LZMA (Lempel-Ziv-Markov chain algorithm), |
| 289 | a dictionary compression algorithm that provides a high compression |
| 290 | ratio and fairly fast decompression speed. See also |
| 291 | CONFIG_CMD_LZMADEC which provides a decode command. |
| 292 | |
Boris Brezillon | aa57d0f | 2017-02-27 18:22:06 +0100 | [diff] [blame] | 293 | config LZO |
Tom Rini | c20bb73 | 2017-07-22 18:36:16 -0400 | [diff] [blame] | 294 | bool "Enable LZO decompression support" |
| 295 | help |
| 296 | This enables support for LZO compression algorithm.r |
York Sun | a6945fe | 2017-08-15 11:14:43 -0700 | [diff] [blame] | 297 | |
Jean-Jacques Hiblot | dbde288 | 2017-09-15 12:57:30 +0200 | [diff] [blame] | 298 | config SPL_LZO |
| 299 | bool "Enable LZO decompression support in SPL" |
| 300 | help |
| 301 | This enables support for LZO compression algorithm in the SPL. |
| 302 | |
York Sun | a6945fe | 2017-08-15 11:14:43 -0700 | [diff] [blame] | 303 | config SPL_GZIP |
| 304 | bool "Enable gzip decompression support for SPL build" |
| 305 | select SPL_ZLIB |
| 306 | help |
| 307 | This enables support for GZIP compression altorithm for SPL boot. |
| 308 | |
| 309 | config SPL_ZLIB |
| 310 | bool |
| 311 | help |
| 312 | This enables compression lib for SPL boot. |
| 313 | |
Julius Werner | f41a3ca | 2015-10-06 20:03:53 -0700 | [diff] [blame] | 314 | endmenu |
| 315 | |
Przemyslaw Marczak | 3755013 | 2015-04-20 20:07:40 +0200 | [diff] [blame] | 316 | config ERRNO_STR |
| 317 | bool "Enable function for getting errno-related string message" |
| 318 | help |
| 319 | The function errno_str(int errno), returns a pointer to the errno |
| 320 | corresponding text message: |
| 321 | - if errno is null or positive number - a pointer to "Success" message |
| 322 | - if errno is negative - a pointer to errno related message |
| 323 | |
Alexey Brodkin | 2d2fa49 | 2018-06-05 17:17:57 +0300 | [diff] [blame] | 324 | config HEXDUMP |
| 325 | bool "Enable hexdump" |
| 326 | help |
| 327 | This enables functions for printing dumps of binary data. |
| 328 | |
Simon Glass | a66c541 | 2016-02-22 22:55:42 -0700 | [diff] [blame] | 329 | config OF_LIBFDT |
| 330 | bool "Enable the FDT library" |
| 331 | default y if OF_CONTROL |
| 332 | help |
| 333 | This enables the FDT library (libfdt). It provides functions for |
| 334 | accessing binary device tree images in memory, such as adding and |
Anatolij Gustschin | da707d4 | 2017-08-18 17:58:51 +0200 | [diff] [blame] | 335 | removing nodes and properties, scanning through the tree and finding |
Simon Glass | a66c541 | 2016-02-22 22:55:42 -0700 | [diff] [blame] | 336 | particular compatible nodes. The library operates on a flattened |
| 337 | version of the device tree. |
| 338 | |
Maxime Ripard | 9e901ce | 2016-07-05 10:26:44 +0200 | [diff] [blame] | 339 | config OF_LIBFDT_OVERLAY |
| 340 | bool "Enable the FDT library overlay support" |
Tom Rini | c1e49ba | 2018-05-08 08:52:17 -0400 | [diff] [blame] | 341 | depends on OF_LIBFDT |
Praneeth Bajjuri | 7b71a01 | 2018-04-25 16:03:23 -0500 | [diff] [blame] | 342 | default y if ARCH_OMAP2PLUS || ARCH_KEYSTONE |
Maxime Ripard | 9e901ce | 2016-07-05 10:26:44 +0200 | [diff] [blame] | 343 | help |
| 344 | This enables the FDT library (libfdt) overlay support. |
| 345 | |
Simon Glass | 8b42692 | 2016-02-22 22:55:45 -0700 | [diff] [blame] | 346 | config SPL_OF_LIBFDT |
| 347 | bool "Enable the FDT library for SPL" |
| 348 | default y if SPL_OF_CONTROL |
| 349 | help |
| 350 | This enables the FDT library (libfdt). It provides functions for |
| 351 | accessing binary device tree images in memory, such as adding and |
Anatolij Gustschin | da707d4 | 2017-08-18 17:58:51 +0200 | [diff] [blame] | 352 | removing nodes and properties, scanning through the tree and finding |
Simon Glass | 8b42692 | 2016-02-22 22:55:45 -0700 | [diff] [blame] | 353 | particular compatible nodes. The library operates on a flattened |
| 354 | version of the device tree. |
| 355 | |
Heiko Schocher | c9ab910 | 2016-10-06 07:31:45 +0200 | [diff] [blame] | 356 | config FDT_FIXUP_PARTITIONS |
| 357 | bool "overwrite MTD partitions in DTS through defined in 'mtdparts'" |
| 358 | depends on OF_LIBFDT |
Masahiro Yamada | 734b755 | 2018-07-20 11:04:09 +0900 | [diff] [blame] | 359 | depends on CMD_MTDPARTS |
Heiko Schocher | c9ab910 | 2016-10-06 07:31:45 +0200 | [diff] [blame] | 360 | help |
| 361 | Allow overwriting defined partitions in the device tree blob |
| 362 | using partition info defined in the 'mtdparts' environment |
| 363 | variable. |
| 364 | |
Alexander Graf | fb22808 | 2016-08-19 01:23:23 +0200 | [diff] [blame] | 365 | menu "System tables" |
Alexander Graf | 66f96e1 | 2016-08-19 01:23:29 +0200 | [diff] [blame] | 366 | depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER) |
Alexander Graf | fb22808 | 2016-08-19 01:23:23 +0200 | [diff] [blame] | 367 | |
| 368 | config GENERATE_SMBIOS_TABLE |
| 369 | bool "Generate an SMBIOS (System Management BIOS) table" |
| 370 | default y |
Alexander Graf | 66f96e1 | 2016-08-19 01:23:29 +0200 | [diff] [blame] | 371 | depends on X86 || EFI_LOADER |
Alexander Graf | fb22808 | 2016-08-19 01:23:23 +0200 | [diff] [blame] | 372 | help |
| 373 | The System Management BIOS (SMBIOS) specification addresses how |
| 374 | motherboard and system vendors present management information about |
| 375 | their products in a standard format by extending the BIOS interface |
| 376 | on Intel architecture systems. |
| 377 | |
| 378 | Check http://www.dmtf.org/standards/smbios for details. |
| 379 | |
| 380 | config SMBIOS_MANUFACTURER |
| 381 | string "SMBIOS Manufacturer" |
| 382 | depends on GENERATE_SMBIOS_TABLE |
| 383 | default SYS_VENDOR |
| 384 | help |
| 385 | The board manufacturer to store in SMBIOS structures. |
| 386 | Change this to override the default one (CONFIG_SYS_VENDOR). |
| 387 | |
| 388 | config SMBIOS_PRODUCT_NAME |
| 389 | string "SMBIOS Product Name" |
| 390 | depends on GENERATE_SMBIOS_TABLE |
| 391 | default SYS_BOARD |
| 392 | help |
| 393 | The product name to store in SMBIOS structures. |
| 394 | Change this to override the default one (CONFIG_SYS_BOARD). |
| 395 | |
| 396 | endmenu |
| 397 | |
Simon Glass | 9539e69 | 2015-07-31 09:31:36 -0600 | [diff] [blame] | 398 | source lib/efi/Kconfig |
Alexander Graf | 67ee705 | 2016-03-04 01:10:07 +0100 | [diff] [blame] | 399 | source lib/efi_loader/Kconfig |
Bryan O'Donoghue | 4b0de7c | 2018-03-13 16:50:27 +0000 | [diff] [blame] | 400 | source lib/optee/Kconfig |
Simon Glass | 9539e69 | 2015-07-31 09:31:36 -0600 | [diff] [blame] | 401 | |
Masahiro Yamada | f3e12b7 | 2014-09-16 16:32:58 +0900 | [diff] [blame] | 402 | endmenu |