Masahiro Yamada | f3e12b7 | 2014-09-16 16:32:58 +0900 | [diff] [blame] | 1 | menu "Library routines" |
| 2 | |
Marek Szyprowski | 795dc7d | 2020-06-03 14:43:40 +0200 | [diff] [blame] | 3 | config 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 Meng | 0a5fee5 | 2021-02-25 17:22:36 +0800 | [diff] [blame] | 9 | This library only works in the post-relocation phase. |
| 10 | |
Marek Szyprowski | 795dc7d | 2020-06-03 14:43:40 +0200 | [diff] [blame] | 11 | config 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 | |
Adam Ford | 02bf536 | 2017-08-11 09:46:05 -0500 | [diff] [blame] | 18 | config BCH |
| 19 | bool "Enable Software based BCH ECC" |
| 20 | help |
| 21 | Enables software based BCH ECC algorithm present in lib/bch.c |
| 22 | This is used by SoC platforms which do not have built-in ELM |
| 23 | hardware engine required for BCH ECC correction. |
| 24 | |
Simon Glass | dd7fb9b | 2019-12-06 21:41:34 -0700 | [diff] [blame] | 25 | config BINMAN_FDT |
| 26 | bool "Allow access to binman information in the device tree" |
Bin Meng | c5e8b31 | 2021-02-03 21:20:02 +0800 | [diff] [blame] | 27 | depends on BINMAN && DM && OF_CONTROL |
Simon Glass | dd7fb9b | 2019-12-06 21:41:34 -0700 | [diff] [blame] | 28 | default y |
| 29 | help |
| 30 | This enables U-Boot to access information about binman entries, |
| 31 | stored in the device tree in a binman node. Typical uses are to |
| 32 | locate entries in the firmware image. See binman.h for the available |
| 33 | functionality. |
| 34 | |
Masahiro Yamada | 3f053fe | 2014-09-16 16:32:59 +0900 | [diff] [blame] | 35 | config CC_OPTIMIZE_LIBS_FOR_SPEED |
| 36 | bool "Optimize libraries for speed" |
| 37 | help |
| 38 | Enabling this option will pass "-O2" to gcc when compiling |
| 39 | under "lib" directory. |
| 40 | |
| 41 | If unsure, say N. |
| 42 | |
Faiz Abbas | 6199fb1 | 2018-02-06 19:15:58 +0530 | [diff] [blame] | 43 | config DYNAMIC_CRC_TABLE |
| 44 | bool "Enable Dynamic tables for CRC" |
| 45 | help |
| 46 | Enable this option to calculate entries for CRC tables at runtime. |
| 47 | This can be helpful when reducing the size of the build image |
| 48 | |
Bin Meng | b95e9db | 2018-10-15 02:21:15 -0700 | [diff] [blame] | 49 | config HAVE_ARCH_IOMAP |
| 50 | bool |
| 51 | help |
| 52 | Enable this option if architecture provides io{read,write}{8,16,32} |
| 53 | I/O accessor functions. |
| 54 | |
Masahiro Yamada | 9520b71 | 2014-10-24 01:30:43 +0900 | [diff] [blame] | 55 | config HAVE_PRIVATE_LIBGCC |
| 56 | bool |
| 57 | |
Adam Ford | 70c8f05 | 2018-02-06 12:14:28 -0600 | [diff] [blame] | 58 | config LIB_UUID |
| 59 | bool |
| 60 | |
Alex Kiernan | 5b40428 | 2018-04-19 04:32:54 +0000 | [diff] [blame] | 61 | config PRINTF |
| 62 | bool |
| 63 | default y |
| 64 | |
| 65 | config SPL_PRINTF |
| 66 | bool |
| 67 | select SPL_SPRINTF |
Simon Glass | 7611ac6 | 2019-09-25 08:56:27 -0600 | [diff] [blame] | 68 | select SPL_STRTO if !SPL_USE_TINY_PRINTF |
Alex Kiernan | 5b40428 | 2018-04-19 04:32:54 +0000 | [diff] [blame] | 69 | |
| 70 | config TPL_PRINTF |
| 71 | bool |
| 72 | select TPL_SPRINTF |
Simon Glass | 7611ac6 | 2019-09-25 08:56:27 -0600 | [diff] [blame] | 73 | select TPL_STRTO if !TPL_USE_TINY_PRINTF |
Alex Kiernan | 5b40428 | 2018-04-19 04:32:54 +0000 | [diff] [blame] | 74 | |
| 75 | config SPRINTF |
| 76 | bool |
| 77 | default y |
| 78 | |
| 79 | config SPL_SPRINTF |
| 80 | bool |
| 81 | |
| 82 | config TPL_SPRINTF |
| 83 | bool |
| 84 | |
Andrii Anisov | 6e29ac4 | 2020-08-06 12:42:52 +0300 | [diff] [blame] | 85 | config SSCANF |
| 86 | bool |
| 87 | default n |
| 88 | |
Alex Kiernan | 5b40428 | 2018-04-19 04:32:54 +0000 | [diff] [blame] | 89 | config STRTO |
| 90 | bool |
| 91 | default y |
| 92 | |
| 93 | config SPL_STRTO |
| 94 | bool |
| 95 | |
| 96 | config TPL_STRTO |
| 97 | bool |
| 98 | |
Alex Kiernan | c568bcb | 2018-05-29 15:30:52 +0000 | [diff] [blame] | 99 | config IMAGE_SPARSE |
| 100 | bool |
| 101 | |
| 102 | config IMAGE_SPARSE_FILLBUF_SIZE |
| 103 | hex "Android sparse image CHUNK_TYPE_FILL buffer size" |
| 104 | default 0x80000 |
| 105 | depends on IMAGE_SPARSE |
| 106 | help |
| 107 | Set the size of the fill buffer used when processing CHUNK_TYPE_FILL |
| 108 | chunks. |
| 109 | |
Masahiro Yamada | 9520b71 | 2014-10-24 01:30:43 +0900 | [diff] [blame] | 110 | config USE_PRIVATE_LIBGCC |
| 111 | bool "Use private libgcc" |
| 112 | depends on HAVE_PRIVATE_LIBGCC |
Marek Vasut | 4e0126e | 2016-05-26 18:01:47 +0200 | [diff] [blame] | 113 | default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS) |
Masahiro Yamada | 9520b71 | 2014-10-24 01:30:43 +0900 | [diff] [blame] | 114 | help |
| 115 | This option allows you to use the built-in libgcc implementation |
Masahiro Yamada | 1c6a5e4 | 2016-03-30 20:17:42 +0900 | [diff] [blame] | 116 | of U-Boot instead of the one provided by the compiler. |
Masahiro Yamada | 9520b71 | 2014-10-24 01:30:43 +0900 | [diff] [blame] | 117 | If unsure, say N. |
| 118 | |
Masahiro Yamada | e301fa0 | 2014-10-24 01:30:40 +0900 | [diff] [blame] | 119 | config SYS_HZ |
| 120 | int |
| 121 | default 1000 |
| 122 | help |
| 123 | The frequency of the timer returned by get_timer(). |
| 124 | get_timer() must operate in milliseconds and this option must be |
| 125 | set to 1000. |
| 126 | |
Simon Glass | 7611ac6 | 2019-09-25 08:56:27 -0600 | [diff] [blame] | 127 | config SPL_USE_TINY_PRINTF |
Thomas Hebb | 0c12fb5 | 2019-11-10 08:23:53 -0800 | [diff] [blame] | 128 | bool "Enable tiny printf() version in SPL" |
Simon Glass | 7611ac6 | 2019-09-25 08:56:27 -0600 | [diff] [blame] | 129 | depends on SPL |
Tom Rini | d0502b7 | 2019-06-08 12:46:18 -0400 | [diff] [blame] | 130 | default y |
Stefan Roese | 363ab7b | 2015-11-23 07:00:22 +0100 | [diff] [blame] | 131 | help |
| 132 | This option enables a tiny, stripped down printf version. |
| 133 | This should only be used in space limited environments, |
| 134 | like SPL versions with hard memory limits. This version |
| 135 | reduces the code size by about 2.5KiB on armv7. |
| 136 | |
| 137 | The supported format specifiers are %c, %s, %u/%d and %x. |
| 138 | |
Simon Glass | 7611ac6 | 2019-09-25 08:56:27 -0600 | [diff] [blame] | 139 | config TPL_USE_TINY_PRINTF |
Thomas Hebb | 0c12fb5 | 2019-11-10 08:23:53 -0800 | [diff] [blame] | 140 | bool "Enable tiny printf() version in TPL" |
Simon Glass | 7611ac6 | 2019-09-25 08:56:27 -0600 | [diff] [blame] | 141 | depends on TPL |
| 142 | default y if SPL_USE_TINY_PRINTF |
| 143 | help |
| 144 | This option enables a tiny, stripped down printf version. |
| 145 | This should only be used in space limited environments, |
| 146 | like SPL versions with hard memory limits. This version |
| 147 | reduces the code size by about 2.5KiB on armv7. |
| 148 | |
| 149 | The supported format specifiers are %c, %s, %u/%d and %x. |
| 150 | |
Masahiro Yamada | acede7a | 2017-12-04 12:37:00 +0900 | [diff] [blame] | 151 | config PANIC_HANG |
| 152 | bool "Do not reset the system on fatal error" |
| 153 | help |
| 154 | Define this option to stop the system in case of a fatal error, |
| 155 | so that you have to reset it manually. This is probably NOT a good |
| 156 | idea for an embedded system where you want the system to reboot |
| 157 | automatically as fast as possible, but it may be useful during |
| 158 | development since you can try to debug the conditions that lead to |
| 159 | the situation. |
| 160 | |
Joe Hershberger | 937d3e8 | 2015-04-21 17:02:42 -0500 | [diff] [blame] | 161 | config REGEX |
| 162 | bool "Enable regular expression support" |
Joe Hershberger | 8ab8b72 | 2015-06-22 17:57:36 -0500 | [diff] [blame] | 163 | default y if NET |
Joe Hershberger | 937d3e8 | 2015-04-21 17:02:42 -0500 | [diff] [blame] | 164 | help |
| 165 | If this variable is defined, U-Boot is linked against the |
| 166 | SLRE (Super Light Regular Expression) library, which adds |
| 167 | regex support to some commands, for example "env grep" and |
| 168 | "setexpr". |
| 169 | |
Adam Ford | 38003a6 | 2018-02-06 10:18:18 -0600 | [diff] [blame] | 170 | choice |
| 171 | prompt "Pseudo-random library support type" |
Heinrich Schuchardt | b2e67a2 | 2020-01-19 19:28:12 +0100 | [diff] [blame] | 172 | depends on NET_RANDOM_ETHADDR || RANDOM_UUID || CMD_UUID || \ |
Heinrich Schuchardt | ba9c44e | 2020-11-20 12:55:22 +0100 | [diff] [blame] | 173 | RNG_SANDBOX || UT_LIB && AES || FAT_WRITE |
Adam Ford | 38003a6 | 2018-02-06 10:18:18 -0600 | [diff] [blame] | 174 | default LIB_RAND |
Masahiro Yamada | 2743c07 | 2015-06-11 19:16:43 +0900 | [diff] [blame] | 175 | help |
Adam Ford | 38003a6 | 2018-02-06 10:18:18 -0600 | [diff] [blame] | 176 | Select the library to provide pseudo-random number generator |
| 177 | functions. LIB_HW_RAND supports certain hardware engines that |
| 178 | provide this functionality. If in doubt, select LIB_RAND. |
| 179 | |
| 180 | config LIB_RAND |
| 181 | bool "Pseudo-random library support" |
| 182 | |
| 183 | config LIB_HW_RAND |
Marcin Juszkiewicz | a360c2c | 2020-05-26 19:07:15 +0200 | [diff] [blame] | 184 | bool "HW Engine for random library support" |
Adam Ford | 38003a6 | 2018-02-06 10:18:18 -0600 | [diff] [blame] | 185 | |
| 186 | endchoice |
Michal Simek | 2c1b1db | 2015-05-25 11:37:22 +0200 | [diff] [blame] | 187 | |
Simon Glass | e2f94ae | 2017-04-02 09:50:28 -0600 | [diff] [blame] | 188 | config SPL_TINY_MEMSET |
| 189 | bool "Use a very small memset() in SPL" |
| 190 | help |
| 191 | The faster memset() is the arch-specific one (if available) enabled |
| 192 | by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get |
| 193 | better performance by writing a word at a time. But in very |
Chris Packham | 1c3b7ba | 2019-01-13 22:13:28 +1300 | [diff] [blame] | 194 | size-constrained environments even this may be too big. Enable this |
Simon Glass | e2f94ae | 2017-04-02 09:50:28 -0600 | [diff] [blame] | 195 | option to reduce code size slightly at the cost of some speed. |
| 196 | |
Philipp Tomsich | fefc4ec | 2017-08-03 22:52:04 +0200 | [diff] [blame] | 197 | config TPL_TINY_MEMSET |
| 198 | bool "Use a very small memset() in TPL" |
| 199 | help |
| 200 | The faster memset() is the arch-specific one (if available) enabled |
| 201 | by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get |
| 202 | better performance by writing a word at a time. But in very |
Chris Packham | 1c3b7ba | 2019-01-13 22:13:28 +1300 | [diff] [blame] | 203 | size-constrained environments even this may be too big. Enable this |
Philipp Tomsich | fefc4ec | 2017-08-03 22:52:04 +0200 | [diff] [blame] | 204 | option to reduce code size slightly at the cost of some speed. |
| 205 | |
Boris Brezillon | 627dc18 | 2017-02-27 18:22:05 +0100 | [diff] [blame] | 206 | config RBTREE |
| 207 | bool |
| 208 | |
Nandor Han | d5ea84a | 2017-11-08 15:35:14 +0000 | [diff] [blame] | 209 | config BITREVERSE |
| 210 | bool "Bit reverse library from Linux" |
| 211 | |
Simon Glass | bfce7fc | 2019-04-08 13:20:51 -0600 | [diff] [blame] | 212 | config TRACE |
| 213 | bool "Support for tracing of function calls and timing" |
| 214 | imply CMD_TRACE |
Pragnesh Patel | 0dd501a | 2021-01-17 18:11:24 +0530 | [diff] [blame] | 215 | select TIMER_EARLY |
Simon Glass | bfce7fc | 2019-04-08 13:20:51 -0600 | [diff] [blame] | 216 | help |
| 217 | Enables function tracing within U-Boot. This allows recording of call |
| 218 | traces including timing information. The command can write data to |
| 219 | memory for exporting for analysis (e.g. using bootchart). |
| 220 | See doc/README.trace for full details. |
| 221 | |
Simon Glass | 445078e | 2019-04-08 13:20:52 -0600 | [diff] [blame] | 222 | config TRACE_BUFFER_SIZE |
| 223 | hex "Size of trace buffer in U-Boot" |
| 224 | depends on TRACE |
| 225 | default 0x01000000 |
| 226 | help |
| 227 | Sets the size of the trace buffer in U-Boot. This is allocated from |
| 228 | memory during relocation. If this buffer is too small, the trace |
| 229 | history will be truncated, with later records omitted. |
| 230 | |
| 231 | If early trace is enabled (i.e. before relocation), this buffer must |
| 232 | be large enough to include all the data from the early trace buffer as |
| 233 | well, since this is copied over to the main buffer during relocation. |
| 234 | |
| 235 | A trace record is emitted for each function call and each record is |
| 236 | 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If |
| 237 | the size is too small then 'trace stats' will show a message saying |
| 238 | how many records were dropped due to buffer overflow. |
| 239 | |
Heinrich Schuchardt | c1a7379 | 2019-06-02 13:30:09 +0200 | [diff] [blame] | 240 | config TRACE_CALL_DEPTH_LIMIT |
| 241 | int "Trace call depth limit" |
| 242 | depends on TRACE |
| 243 | default 15 |
| 244 | help |
| 245 | Sets the maximum call depth up to which function calls are recorded. |
| 246 | |
Simon Glass | 445078e | 2019-04-08 13:20:52 -0600 | [diff] [blame] | 247 | config TRACE_EARLY |
| 248 | bool "Enable tracing before relocation" |
| 249 | depends on TRACE |
| 250 | help |
| 251 | Sometimes it is helpful to trace execution of U-Boot before |
| 252 | relocation. This is possible by using a arch-specific, fixed buffer |
| 253 | position in memory. Enable this option to start tracing as early as |
| 254 | possible after U-Boot starts. |
| 255 | |
| 256 | config TRACE_EARLY_SIZE |
| 257 | hex "Size of early trace buffer in U-Boot" |
| 258 | depends on TRACE_EARLY |
| 259 | default 0x00100000 |
| 260 | help |
| 261 | Sets the size of the early trace buffer in bytes. This is used to hold |
| 262 | tracing information before relocation. |
| 263 | |
Heinrich Schuchardt | c1a7379 | 2019-06-02 13:30:09 +0200 | [diff] [blame] | 264 | config TRACE_EARLY_CALL_DEPTH_LIMIT |
| 265 | int "Early trace call depth limit" |
| 266 | depends on TRACE_EARLY |
| 267 | default 200 |
| 268 | help |
| 269 | Sets the maximum call depth up to which function calls are recorded |
| 270 | during early tracing. |
| 271 | |
Simon Glass | 445078e | 2019-04-08 13:20:52 -0600 | [diff] [blame] | 272 | config TRACE_EARLY_ADDR |
| 273 | hex "Address of early trace buffer in U-Boot" |
| 274 | depends on TRACE_EARLY |
| 275 | default 0x00100000 |
| 276 | help |
| 277 | Sets the address of the early trace buffer in U-Boot. This memory |
| 278 | must be accessible before relocation. |
| 279 | |
| 280 | A trace record is emitted for each function call and each record is |
| 281 | 12 bytes (see struct trace_call). A suggested minimum size is 1MB. If |
| 282 | the size is too small then the message which says the amount of early |
| 283 | data being coped will the the same as the |
| 284 | |
Simon Glass | 99dbe4b | 2015-06-23 15:38:23 -0600 | [diff] [blame] | 285 | source lib/dhry/Kconfig |
| 286 | |
Simon Glass | 528fdd1 | 2017-04-26 22:27:49 -0600 | [diff] [blame] | 287 | menu "Security support" |
| 288 | |
| 289 | config AES |
| 290 | bool "Support the AES algorithm" |
| 291 | help |
| 292 | This provides a means to encrypt and decrypt data using the AES |
| 293 | (Advanced Encryption Standard). This algorithm uses a symetric key |
| 294 | and is widely used as a streaming cipher. Different key lengths are |
| 295 | supported by the algorithm but only a 128-bit key is supported at |
| 296 | present. |
| 297 | |
Ruchika Gupta | 4acd8c4 | 2015-01-23 16:01:56 +0530 | [diff] [blame] | 298 | source lib/rsa/Kconfig |
AKASHI Takahiro | 591535c | 2019-11-13 09:45:00 +0900 | [diff] [blame] | 299 | source lib/crypto/Kconfig |
Ruchika Gupta | 2c3822e | 2015-01-23 16:01:51 +0530 | [diff] [blame] | 300 | |
Simon Glass | 350497c | 2015-08-22 18:31:19 -0600 | [diff] [blame] | 301 | config TPM |
| 302 | bool "Trusted Platform Module (TPM) Support" |
Simon Glass | cf294b0 | 2015-10-03 06:39:36 -0600 | [diff] [blame] | 303 | depends on DM |
Simon Glass | 350497c | 2015-08-22 18:31:19 -0600 | [diff] [blame] | 304 | help |
| 305 | This enables support for TPMs which can be used to provide security |
| 306 | features for your board. The TPM can be connected via LPC or I2C |
| 307 | and a sandbox TPM is provided for testing purposes. Use the 'tpm' |
| 308 | command to interactive the TPM. Driver model support is provided |
| 309 | for the low-level TPM interface, but only one TPM is supported at |
| 310 | a time by the TPM library. |
| 311 | |
Simon Glass | 93a45b1 | 2018-10-01 12:22:19 -0600 | [diff] [blame] | 312 | config SPL_TPM |
| 313 | bool "Trusted Platform Module (TPM) Support in SPL" |
| 314 | depends on SPL_DM |
| 315 | help |
| 316 | This enables support for TPMs which can be used to provide security |
| 317 | features for your board. The TPM can be connected via LPC or I2C |
| 318 | and a sandbox TPM is provided for testing purposes. Use the 'tpm' |
| 319 | command to interactive the TPM. Driver model support is provided |
| 320 | for the low-level TPM interface, but only one TPM is supported at |
| 321 | a time by the TPM library. |
| 322 | |
| 323 | config TPL_TPM |
| 324 | bool "Trusted Platform Module (TPM) Support in TPL" |
| 325 | depends on TPL_DM |
| 326 | help |
| 327 | This enables support for TPMs which can be used to provide security |
| 328 | features for your board. The TPM can be connected via LPC or I2C |
| 329 | and a sandbox TPM is provided for testing purposes. Use the 'tpm' |
| 330 | command to interactive the TPM. Driver model support is provided |
| 331 | for the low-level TPM interface, but only one TPM is supported at |
| 332 | a time by the TPM library. |
| 333 | |
Simon Glass | 528fdd1 | 2017-04-26 22:27:49 -0600 | [diff] [blame] | 334 | endmenu |
| 335 | |
Igor Opaniuk | 525d1d8 | 2018-06-03 21:56:37 +0300 | [diff] [blame] | 336 | menu "Android Verified Boot" |
| 337 | |
| 338 | config LIBAVB |
| 339 | bool "Android Verified Boot 2.0 support" |
| 340 | depends on ANDROID_BOOT_IMAGE |
| 341 | default n |
| 342 | help |
| 343 | This enables support of Android Verified Boot 2.0 which can be used |
| 344 | to assure the end user of the integrity of the software running on a |
| 345 | device. Introduces such features as boot chain of trust, rollback |
| 346 | protection etc. |
| 347 | |
| 348 | endmenu |
| 349 | |
gaurav rana | ef20159 | 2015-02-20 12:51:46 +0530 | [diff] [blame] | 350 | menu "Hashing Support" |
| 351 | |
| 352 | config SHA1 |
| 353 | bool "Enable SHA1 support" |
| 354 | help |
| 355 | This option enables support of hashing using SHA1 algorithm. |
| 356 | The hash is calculated in software. |
| 357 | The SHA1 algorithm produces a 160-bit (20-byte) hash value |
| 358 | (digest). |
| 359 | |
| 360 | config SHA256 |
| 361 | bool "Enable SHA256 support" |
| 362 | help |
| 363 | This option enables support of hashing using SHA256 algorithm. |
| 364 | The hash is calculated in software. |
| 365 | The SHA256 algorithm produces a 256-bit (32-byte) hash value |
| 366 | (digest). |
| 367 | |
Reuben Dowle | 1908fd9 | 2020-04-16 17:36:52 +1200 | [diff] [blame] | 368 | config SHA512_ALGO |
| 369 | bool "Enable SHA512 algorithm" |
| 370 | help |
| 371 | This option enables support of internal SHA512 algorithm. |
| 372 | |
| 373 | config SHA512 |
| 374 | bool "Enable SHA512 support" |
| 375 | depends on SHA512_ALGO |
| 376 | help |
| 377 | This option enables support of hashing using SHA512 algorithm. |
| 378 | The hash is calculated in software. |
| 379 | The SHA512 algorithm produces a 512-bit (64-byte) hash value |
| 380 | (digest). |
| 381 | |
| 382 | config SHA384 |
| 383 | bool "Enable SHA384 support" |
| 384 | depends on SHA512_ALGO |
| 385 | help |
| 386 | This option enables support of hashing using SHA384 algorithm. |
| 387 | The hash is calculated in software. |
| 388 | The SHA384 algorithm produces a 384-bit (48-byte) hash value |
| 389 | (digest). |
| 390 | |
gaurav rana | ef20159 | 2015-02-20 12:51:46 +0530 | [diff] [blame] | 391 | config SHA_HW_ACCEL |
Heinrich Schuchardt | d42f81f | 2021-05-14 07:08:27 +0200 | [diff] [blame^] | 392 | bool "Enable hardware acceleration for SHA hash functions" |
gaurav rana | ef20159 | 2015-02-20 12:51:46 +0530 | [diff] [blame] | 393 | help |
Heinrich Schuchardt | d42f81f | 2021-05-14 07:08:27 +0200 | [diff] [blame^] | 394 | This option enables hardware acceleration for the SHA1 and SHA256 |
| 395 | hashing algorithms. This affects the 'hash' command and also the |
| 396 | hash_lookup_algo() function. |
| 397 | |
| 398 | if SHA_HW_ACCEL |
| 399 | |
| 400 | config SHA512_HW_ACCEL |
| 401 | bool "Enable hardware acceleration for SHA512" |
| 402 | depends on SHA512_ALGO |
| 403 | help |
| 404 | This option enables hardware acceleration for the SHA384 and SHA512 |
| 405 | hashing algorithms. This affects the 'hash' command and also the |
| 406 | hash_lookup_algo() function. |
gaurav rana | ef20159 | 2015-02-20 12:51:46 +0530 | [diff] [blame] | 407 | |
| 408 | config SHA_PROG_HW_ACCEL |
| 409 | bool "Enable Progressive hashing support using hardware" |
gaurav rana | ef20159 | 2015-02-20 12:51:46 +0530 | [diff] [blame] | 410 | help |
Joel Stanley | 92efc1f | 2021-02-17 13:50:42 +1030 | [diff] [blame] | 411 | This option enables hardware-acceleration for SHA progressive |
| 412 | hashing. |
| 413 | Data can be streamed in a block at a time and the hashing is |
| 414 | performed in hardware. |
Andre Przywara | f0fa113 | 2017-03-15 01:19:05 +0000 | [diff] [blame] | 415 | |
Heinrich Schuchardt | d42f81f | 2021-05-14 07:08:27 +0200 | [diff] [blame^] | 416 | endif |
| 417 | |
Andre Przywara | f0fa113 | 2017-03-15 01:19:05 +0000 | [diff] [blame] | 418 | config MD5 |
Simon Glass | d33d0db | 2020-05-06 08:03:56 -0600 | [diff] [blame] | 419 | bool "Support MD5 algorithm" |
| 420 | help |
| 421 | This option enables MD5 support. MD5 is an algorithm designed |
| 422 | in 1991 that produces a 16-byte digest (or checksum) from its input |
| 423 | data. It has a number of vulnerabilities which preclude its use in |
| 424 | security applications, but it can be useful for providing a quick |
| 425 | checksum of a block of data. |
| 426 | |
| 427 | config SPL_MD5 |
| 428 | bool "Support MD5 algorithm in SPL" |
| 429 | help |
| 430 | This option enables MD5 support in SPL. MD5 is an algorithm designed |
| 431 | in 1991 that produces a 16-byte digest (or checksum) from its input |
| 432 | data. It has a number of vulnerabilities which preclude its use in |
| 433 | security applications, but it can be useful for providing a quick |
| 434 | checksum of a block of data. |
Andre Przywara | f0fa113 | 2017-03-15 01:19:05 +0000 | [diff] [blame] | 435 | |
Marek Behún | cdccc03 | 2017-09-03 17:00:23 +0200 | [diff] [blame] | 436 | config CRC32C |
| 437 | bool |
| 438 | |
Marek Behún | b139a7f | 2019-04-29 22:40:43 +0200 | [diff] [blame] | 439 | config XXHASH |
| 440 | bool |
| 441 | |
gaurav rana | ef20159 | 2015-02-20 12:51:46 +0530 | [diff] [blame] | 442 | endmenu |
| 443 | |
Julius Werner | f41a3ca | 2015-10-06 20:03:53 -0700 | [diff] [blame] | 444 | menu "Compression Support" |
| 445 | |
| 446 | config LZ4 |
| 447 | bool "Enable LZ4 decompression support" |
| 448 | help |
| 449 | If this option is set, support for LZ4 compressed images |
| 450 | is included. The LZ4 algorithm can run in-place as long as the |
| 451 | compressed image is loaded to the end of the output buffer, and |
| 452 | trades lower compression ratios for much faster decompression. |
Patrick Delaunay | cd831af | 2021-03-10 10:16:28 +0100 | [diff] [blame] | 453 | |
Julius Werner | f41a3ca | 2015-10-06 20:03:53 -0700 | [diff] [blame] | 454 | NOTE: This implements the release version of the LZ4 frame |
| 455 | format as generated by default by the 'lz4' command line tool. |
| 456 | This is not the same as the outdated, less efficient legacy |
| 457 | frame format currently (2015) implemented in the Linux kernel |
| 458 | (generated by 'lz4 -l'). The two formats are incompatible. |
| 459 | |
Simon Glass | 264aa5f | 2017-05-17 03:25:42 -0600 | [diff] [blame] | 460 | config LZMA |
| 461 | bool "Enable LZMA decompression support" |
| 462 | help |
| 463 | This enables support for LZMA (Lempel-Ziv-Markov chain algorithm), |
| 464 | a dictionary compression algorithm that provides a high compression |
| 465 | ratio and fairly fast decompression speed. See also |
| 466 | CONFIG_CMD_LZMADEC which provides a decode command. |
| 467 | |
Boris Brezillon | aa57d0f | 2017-02-27 18:22:06 +0100 | [diff] [blame] | 468 | config LZO |
Tom Rini | c20bb73 | 2017-07-22 18:36:16 -0400 | [diff] [blame] | 469 | bool "Enable LZO decompression support" |
| 470 | help |
| 471 | This enables support for LZO compression algorithm.r |
York Sun | a6945fe | 2017-08-15 11:14:43 -0700 | [diff] [blame] | 472 | |
Marek Vasut | aeaa29d | 2019-03-08 16:06:55 +0100 | [diff] [blame] | 473 | config GZIP |
Heiko Schocher | b93cc60 | 2019-04-29 08:59:38 +0200 | [diff] [blame] | 474 | bool "Enable gzip decompression support" |
Marek Vasut | aeaa29d | 2019-03-08 16:06:55 +0100 | [diff] [blame] | 475 | select ZLIB |
| 476 | default y |
| 477 | help |
| 478 | This enables support for GZIP compression algorithm. |
| 479 | |
Joao Marcos Costa | ae8abb1 | 2020-07-30 15:33:49 +0200 | [diff] [blame] | 480 | config ZLIB_UNCOMPRESS |
| 481 | bool "Enables zlib's uncompress() functionality" |
| 482 | help |
| 483 | This enables an extra zlib functionality: the uncompress() function, |
| 484 | which decompresses data from a buffer into another, knowing their |
| 485 | sizes. Unlike gunzip(), there is no header parsing. |
| 486 | |
Michael Walle | 3a6e351 | 2020-05-22 14:07:36 +0200 | [diff] [blame] | 487 | config GZIP_COMPRESSED |
| 488 | bool |
| 489 | select ZLIB |
| 490 | |
Atish Patra | 1fa7962 | 2020-03-05 16:24:21 -0800 | [diff] [blame] | 491 | config BZIP2 |
| 492 | bool "Enable bzip2 decompression support" |
| 493 | help |
| 494 | This enables support for BZIP2 compression algorithm. |
| 495 | |
Marek Vasut | aeaa29d | 2019-03-08 16:06:55 +0100 | [diff] [blame] | 496 | config ZLIB |
| 497 | bool |
| 498 | default y |
| 499 | help |
| 500 | This enables ZLIB compression lib. |
| 501 | |
Marek Behún | e87e200 | 2019-04-29 22:40:44 +0200 | [diff] [blame] | 502 | config ZSTD |
| 503 | bool "Enable Zstandard decompression support" |
| 504 | select XXHASH |
| 505 | help |
| 506 | This enables Zstandard decompression library. |
| 507 | |
Simon Glass | e107bcd | 2018-11-06 15:21:30 -0700 | [diff] [blame] | 508 | config SPL_LZ4 |
| 509 | bool "Enable LZ4 decompression support in SPL" |
| 510 | help |
Marcin Juszkiewicz | a360c2c | 2020-05-26 19:07:15 +0200 | [diff] [blame] | 511 | This enables support for the LZ4 decompression algorithm in SPL. LZ4 |
Simon Glass | e107bcd | 2018-11-06 15:21:30 -0700 | [diff] [blame] | 512 | is a lossless data compression algorithm that is focused on |
| 513 | fast compression and decompression speed. It belongs to the LZ77 |
| 514 | family of byte-oriented compression schemes. |
| 515 | |
developer | 6a4e1d3 | 2020-04-21 09:28:38 +0200 | [diff] [blame] | 516 | config SPL_LZMA |
| 517 | bool "Enable LZMA decompression support for SPL build" |
| 518 | help |
Marcin Juszkiewicz | a360c2c | 2020-05-26 19:07:15 +0200 | [diff] [blame] | 519 | This enables support for LZMA compression algorithm for SPL boot. |
developer | 6a4e1d3 | 2020-04-21 09:28:38 +0200 | [diff] [blame] | 520 | |
Jean-Jacques Hiblot | dbde288 | 2017-09-15 12:57:30 +0200 | [diff] [blame] | 521 | config SPL_LZO |
| 522 | bool "Enable LZO decompression support in SPL" |
| 523 | help |
| 524 | This enables support for LZO compression algorithm in the SPL. |
| 525 | |
York Sun | a6945fe | 2017-08-15 11:14:43 -0700 | [diff] [blame] | 526 | config SPL_GZIP |
| 527 | bool "Enable gzip decompression support for SPL build" |
| 528 | select SPL_ZLIB |
| 529 | help |
| 530 | This enables support for GZIP compression altorithm for SPL boot. |
| 531 | |
| 532 | config SPL_ZLIB |
| 533 | bool |
| 534 | help |
| 535 | This enables compression lib for SPL boot. |
| 536 | |
Marek Behún | e87e200 | 2019-04-29 22:40:44 +0200 | [diff] [blame] | 537 | config SPL_ZSTD |
| 538 | bool "Enable Zstandard decompression support in SPL" |
| 539 | select XXHASH |
| 540 | help |
| 541 | This enables Zstandard decompression library in the SPL. |
| 542 | |
Julius Werner | f41a3ca | 2015-10-06 20:03:53 -0700 | [diff] [blame] | 543 | endmenu |
| 544 | |
Przemyslaw Marczak | 3755013 | 2015-04-20 20:07:40 +0200 | [diff] [blame] | 545 | config ERRNO_STR |
| 546 | bool "Enable function for getting errno-related string message" |
| 547 | help |
| 548 | The function errno_str(int errno), returns a pointer to the errno |
| 549 | corresponding text message: |
| 550 | - if errno is null or positive number - a pointer to "Success" message |
| 551 | - if errno is negative - a pointer to errno related message |
| 552 | |
Alexey Brodkin | 2d2fa49 | 2018-06-05 17:17:57 +0300 | [diff] [blame] | 553 | config HEXDUMP |
| 554 | bool "Enable hexdump" |
| 555 | help |
| 556 | This enables functions for printing dumps of binary data. |
| 557 | |
Simon Glass | a37fd4d | 2020-09-12 11:13:35 -0600 | [diff] [blame] | 558 | config SPL_HEXDUMP |
| 559 | bool "Enable hexdump in SPL" |
| 560 | depends on HEXDUMP |
| 561 | default y |
| 562 | help |
| 563 | This enables functions for printing dumps of binary data in |
| 564 | SPL. |
| 565 | |
Sean Anderson | 3b4a6f5 | 2020-10-27 19:55:36 -0400 | [diff] [blame] | 566 | config GETOPT |
| 567 | bool "Enable getopt" |
| 568 | help |
| 569 | This enables functions for parsing command-line options. |
| 570 | |
Simon Glass | a66c541 | 2016-02-22 22:55:42 -0700 | [diff] [blame] | 571 | config OF_LIBFDT |
| 572 | bool "Enable the FDT library" |
| 573 | default y if OF_CONTROL |
| 574 | help |
| 575 | This enables the FDT library (libfdt). It provides functions for |
| 576 | accessing binary device tree images in memory, such as adding and |
Anatolij Gustschin | da707d4 | 2017-08-18 17:58:51 +0200 | [diff] [blame] | 577 | removing nodes and properties, scanning through the tree and finding |
Simon Glass | a66c541 | 2016-02-22 22:55:42 -0700 | [diff] [blame] | 578 | particular compatible nodes. The library operates on a flattened |
| 579 | version of the device tree. |
| 580 | |
Simon Glass | c48044d | 2019-10-27 09:47:40 -0600 | [diff] [blame] | 581 | config OF_LIBFDT_ASSUME_MASK |
| 582 | hex "Mask of conditions to assume for libfdt" |
| 583 | depends on OF_LIBFDT || FIT |
| 584 | default 0 |
| 585 | help |
| 586 | Use this to change the assumptions made by libfdt about the |
| 587 | device tree it is working with. A value of 0 means that no assumptions |
| 588 | are made, and libfdt is able to deal with malicious data. A value of |
| 589 | 0xff means all assumptions are made and any invalid data may cause |
| 590 | unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h |
| 591 | |
Maxime Ripard | 9e901ce | 2016-07-05 10:26:44 +0200 | [diff] [blame] | 592 | config OF_LIBFDT_OVERLAY |
| 593 | bool "Enable the FDT library overlay support" |
Tom Rini | c1e49ba | 2018-05-08 08:52:17 -0400 | [diff] [blame] | 594 | depends on OF_LIBFDT |
Praneeth Bajjuri | 7b71a01 | 2018-04-25 16:03:23 -0500 | [diff] [blame] | 595 | default y if ARCH_OMAP2PLUS || ARCH_KEYSTONE |
Maxime Ripard | 9e901ce | 2016-07-05 10:26:44 +0200 | [diff] [blame] | 596 | help |
| 597 | This enables the FDT library (libfdt) overlay support. |
| 598 | |
Simon Glass | 8b42692 | 2016-02-22 22:55:45 -0700 | [diff] [blame] | 599 | config SPL_OF_LIBFDT |
| 600 | bool "Enable the FDT library for SPL" |
| 601 | default y if SPL_OF_CONTROL |
| 602 | help |
| 603 | This enables the FDT library (libfdt). It provides functions for |
| 604 | accessing binary device tree images in memory, such as adding and |
Anatolij Gustschin | da707d4 | 2017-08-18 17:58:51 +0200 | [diff] [blame] | 605 | removing nodes and properties, scanning through the tree and finding |
Simon Glass | 8b42692 | 2016-02-22 22:55:45 -0700 | [diff] [blame] | 606 | particular compatible nodes. The library operates on a flattened |
| 607 | version of the device tree. |
| 608 | |
Simon Glass | c48044d | 2019-10-27 09:47:40 -0600 | [diff] [blame] | 609 | config SPL_OF_LIBFDT_ASSUME_MASK |
| 610 | hex "Mask of conditions to assume for libfdt" |
| 611 | depends on SPL_OF_LIBFDT || FIT |
| 612 | default 0xff |
| 613 | help |
| 614 | Use this to change the assumptions made by libfdt in SPL about the |
| 615 | device tree it is working with. A value of 0 means that no assumptions |
| 616 | are made, and libfdt is able to deal with malicious data. A value of |
| 617 | 0xff means all assumptions are made and any invalid data may cause |
| 618 | unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h |
| 619 | |
Simon Glass | ca8ec4b | 2018-10-01 12:22:21 -0600 | [diff] [blame] | 620 | config TPL_OF_LIBFDT |
| 621 | bool "Enable the FDT library for TPL" |
| 622 | default y if TPL_OF_CONTROL |
| 623 | help |
| 624 | This enables the FDT library (libfdt). It provides functions for |
| 625 | accessing binary device tree images in memory, such as adding and |
| 626 | removing nodes and properties, scanning through the tree and finding |
| 627 | particular compatible nodes. The library operates on a flattened |
| 628 | version of the device tree. |
| 629 | |
Simon Glass | c48044d | 2019-10-27 09:47:40 -0600 | [diff] [blame] | 630 | config TPL_OF_LIBFDT_ASSUME_MASK |
| 631 | hex "Mask of conditions to assume for libfdt" |
| 632 | depends on TPL_OF_LIBFDT || FIT |
| 633 | default 0xff |
| 634 | help |
| 635 | Use this to change the assumptions made by libfdt in TPL about the |
| 636 | device tree it is working with. A value of 0 means that no assumptions |
| 637 | are made, and libfdt is able to deal with malicious data. A value of |
| 638 | 0xff means all assumptions are made and any invalid data may cause |
| 639 | unsafe execution. See FDT_ASSUME_PERFECT, etc. in libfdt_internal.h |
| 640 | |
Heiko Schocher | c9ab910 | 2016-10-06 07:31:45 +0200 | [diff] [blame] | 641 | config FDT_FIXUP_PARTITIONS |
| 642 | bool "overwrite MTD partitions in DTS through defined in 'mtdparts'" |
| 643 | depends on OF_LIBFDT |
Masahiro Yamada | 734b755 | 2018-07-20 11:04:09 +0900 | [diff] [blame] | 644 | depends on CMD_MTDPARTS |
Heiko Schocher | c9ab910 | 2016-10-06 07:31:45 +0200 | [diff] [blame] | 645 | help |
| 646 | Allow overwriting defined partitions in the device tree blob |
| 647 | using partition info defined in the 'mtdparts' environment |
| 648 | variable. |
| 649 | |
Alexander Graf | fb22808 | 2016-08-19 01:23:23 +0200 | [diff] [blame] | 650 | menu "System tables" |
Alexander Graf | 66f96e1 | 2016-08-19 01:23:29 +0200 | [diff] [blame] | 651 | depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER) |
Alexander Graf | fb22808 | 2016-08-19 01:23:23 +0200 | [diff] [blame] | 652 | |
Simon Glass | 5d093f3 | 2020-11-04 09:57:25 -0700 | [diff] [blame] | 653 | config BLOBLIST_TABLES |
| 654 | bool "Put tables in a bloblist" |
Simon Glass | 171c646 | 2021-03-15 18:11:22 +1300 | [diff] [blame] | 655 | depends on X86 && BLOBLIST |
Simon Glass | 5d093f3 | 2020-11-04 09:57:25 -0700 | [diff] [blame] | 656 | help |
| 657 | Normally tables are placed at address 0xf0000 and can be up to 64KB |
| 658 | long. With this option, tables are instead placed in the bloblist |
| 659 | with a pointer from 0xf0000. The size can then be larger and the |
| 660 | tables can be placed high in memory. |
| 661 | |
Alexander Graf | fb22808 | 2016-08-19 01:23:23 +0200 | [diff] [blame] | 662 | config GENERATE_SMBIOS_TABLE |
| 663 | bool "Generate an SMBIOS (System Management BIOS) table" |
| 664 | default y |
Alexander Graf | 66f96e1 | 2016-08-19 01:23:29 +0200 | [diff] [blame] | 665 | depends on X86 || EFI_LOADER |
Alexander Graf | fb22808 | 2016-08-19 01:23:23 +0200 | [diff] [blame] | 666 | help |
| 667 | The System Management BIOS (SMBIOS) specification addresses how |
| 668 | motherboard and system vendors present management information about |
| 669 | their products in a standard format by extending the BIOS interface |
| 670 | on Intel architecture systems. |
| 671 | |
| 672 | Check http://www.dmtf.org/standards/smbios for details. |
| 673 | |
Simon Glass | 052a03e | 2020-11-05 06:32:11 -0700 | [diff] [blame] | 674 | See also SMBIOS_SYSINFO which allows SMBIOS values to be provided in |
| 675 | the devicetree. |
| 676 | |
Alexander Graf | fb22808 | 2016-08-19 01:23:23 +0200 | [diff] [blame] | 677 | endmenu |
| 678 | |
AKASHI Takahiro | f702526 | 2019-11-13 09:44:53 +0900 | [diff] [blame] | 679 | config ASN1_COMPILER |
| 680 | bool |
| 681 | |
AKASHI Takahiro | 3a88871 | 2019-11-13 09:44:55 +0900 | [diff] [blame] | 682 | config ASN1_DECODER |
| 683 | bool |
| 684 | help |
| 685 | Enable asn1 decoder library. |
| 686 | |
AKASHI Takahiro | 5492364 | 2019-11-13 09:44:57 +0900 | [diff] [blame] | 687 | config OID_REGISTRY |
| 688 | bool |
| 689 | help |
| 690 | Enable fast lookup object identifier registry. |
| 691 | |
Christian Gmeiner | 1985998 | 2020-11-03 15:34:51 +0100 | [diff] [blame] | 692 | config SMBIOS_PARSER |
| 693 | bool "SMBIOS parser" |
| 694 | help |
| 695 | A simple parser for SMBIOS data. |
| 696 | |
Simon Glass | 9539e69 | 2015-07-31 09:31:36 -0600 | [diff] [blame] | 697 | source lib/efi/Kconfig |
Alexander Graf | 67ee705 | 2016-03-04 01:10:07 +0100 | [diff] [blame] | 698 | source lib/efi_loader/Kconfig |
Bryan O'Donoghue | 4b0de7c | 2018-03-13 16:50:27 +0000 | [diff] [blame] | 699 | source lib/optee/Kconfig |
Simon Glass | 9539e69 | 2015-07-31 09:31:36 -0600 | [diff] [blame] | 700 | |
Thierry Reding | 52c7f1f3 | 2019-03-21 19:10:04 +0100 | [diff] [blame] | 701 | config TEST_FDTDEC |
| 702 | bool "enable fdtdec test" |
| 703 | depends on OF_LIBFDT |
| 704 | |
AKASHI Takahiro | 51ba522 | 2019-11-13 09:44:49 +0900 | [diff] [blame] | 705 | config LIB_DATE |
| 706 | bool |
| 707 | |
Keerthy | 76f361a | 2020-02-12 13:55:03 +0530 | [diff] [blame] | 708 | config LIB_ELF |
| 709 | bool |
| 710 | help |
Patrick Delaunay | fb67df8 | 2021-01-04 15:33:28 +0100 | [diff] [blame] | 711 | Support basic elf loading/validating functions. |
| 712 | This supports for 32 bit and 64 bit versions. |
Keerthy | 76f361a | 2020-02-12 13:55:03 +0530 | [diff] [blame] | 713 | |
Patrick Delaunay | d62063d | 2021-03-10 10:16:25 +0100 | [diff] [blame] | 714 | config LMB |
| 715 | bool "Enable the logical memory blocks library (lmb)" |
| 716 | default y if ARC || ARM || M68K || MICROBLAZE || MIPS || NDS32 || \ |
| 717 | NIOS2 || PPC || RISCV || SANDBOX || SH || X86 || XTENSA |
| 718 | help |
| 719 | Support the library logical memory blocks. |
| 720 | |
Patrick Delaunay | 71cc9c5 | 2021-03-10 10:16:31 +0100 | [diff] [blame] | 721 | config LMB_USE_MAX_REGIONS |
| 722 | bool "Use a commun number of memory and reserved regions in lmb lib" |
| 723 | depends on LMB |
| 724 | default y |
| 725 | help |
| 726 | Define the number of supported memory regions in the library logical |
| 727 | memory blocks. |
| 728 | This feature allow to reduce the lmb library size by using compiler |
| 729 | optimization when LMB_MEMORY_REGIONS == LMB_RESERVED_REGIONS. |
Patrick Delaunay | cd831af | 2021-03-10 10:16:28 +0100 | [diff] [blame] | 730 | |
| 731 | config LMB_MAX_REGIONS |
| 732 | int "Number of memory and reserved regions in lmb lib" |
Patrick Delaunay | 71cc9c5 | 2021-03-10 10:16:31 +0100 | [diff] [blame] | 733 | depends on LMB && LMB_USE_MAX_REGIONS |
Patrick Delaunay | cd831af | 2021-03-10 10:16:28 +0100 | [diff] [blame] | 734 | default 8 |
| 735 | help |
| 736 | Define the number of supported regions, memory and reserved, in the |
| 737 | library logical memory blocks. |
Patrick Delaunay | 71cc9c5 | 2021-03-10 10:16:31 +0100 | [diff] [blame] | 738 | |
| 739 | config LMB_MEMORY_REGIONS |
| 740 | int "Number of memory regions in lmb lib" |
| 741 | depends on LMB && !LMB_USE_MAX_REGIONS |
| 742 | default 8 |
| 743 | help |
| 744 | Define the number of supported memory regions in the library logical |
| 745 | memory blocks. |
| 746 | The minimal value is CONFIG_NR_DRAM_BANKS. |
| 747 | |
| 748 | config LMB_RESERVED_REGIONS |
| 749 | int "Number of reserved regions in lmb lib" |
| 750 | depends on LMB && !LMB_USE_MAX_REGIONS |
| 751 | default 8 |
| 752 | help |
| 753 | Define the number of supported reserved regions in the library logical |
| 754 | memory blocks. |
| 755 | |
Masahiro Yamada | f3e12b7 | 2014-09-16 16:32:58 +0900 | [diff] [blame] | 756 | endmenu |
Aswath Govindraju | 3dd8125 | 2020-12-03 10:55:45 +0530 | [diff] [blame] | 757 | |
| 758 | config PHANDLE_CHECK_SEQ |
| 759 | bool "Enable phandle check while getting sequence number" |
| 760 | default n |
| 761 | help |
| 762 | When there are multiple device tree nodes with same name, |
| 763 | enable this config option to distinguish them using |
| 764 | phandles in fdtdec_get_alias_seq() function. |