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Commit | Line | Data |
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ed36323f MY |
1 | menu "Library routines" |
2 | ||
6ef2f901 AF |
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 | ||
b0928da6 MY |
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 | ||
36c1877c FA |
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 | ||
45ccec8f MY |
24 | config HAVE_PRIVATE_LIBGCC |
25 | bool | |
26 | ||
a451bc27 AF |
27 | config LIB_UUID |
28 | bool | |
29 | ||
14ad44ab AK |
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 | ||
c232d14d AK |
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 | ||
45ccec8f MY |
75 | config USE_PRIVATE_LIBGCC |
76 | bool "Use private libgcc" | |
77 | depends on HAVE_PRIVATE_LIBGCC | |
91b86e21 | 78 | default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS) |
45ccec8f MY |
79 | help |
80 | This option allows you to use the built-in libgcc implementation | |
67976306 | 81 | of U-Boot instead of the one provided by the compiler. |
45ccec8f MY |
82 | If unsure, say N. |
83 | ||
8c688bc4 MY |
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 | ||
7d9cde10 SR |
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 | ||
7e3caa81 MY |
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 | ||
1a60650c JH |
112 | config REGEX |
113 | bool "Enable regular expression support" | |
f7848d90 | 114 | default y if NET |
1a60650c JH |
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 | ||
a5a37567 AF |
121 | choice |
122 | prompt "Pseudo-random library support type" | |
123 | depends on NET_RANDOM_ETHADDR || RANDOM_UUID || CMD_UUID | |
124 | default LIB_RAND | |
3850dbe8 | 125 | help |
a5a37567 AF |
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 | |
9ba9e85f | 137 | |
ab4458bd SG |
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 | ||
96b9082c PT |
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 | ||
aa049152 BB |
156 | config RBTREE |
157 | bool | |
158 | ||
da5337a6 NH |
159 | config BITREVERSE |
160 | bool "Bit reverse library from Linux" | |
161 | ||
d1389403 SG |
162 | source lib/dhry/Kconfig |
163 | ||
b1a873df SG |
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 | ||
d9f23c7f | 175 | source lib/rsa/Kconfig |
c4beb22f | 176 | |
a7d660bc SG |
177 | config TPM |
178 | bool "Trusted Platform Module (TPM) Support" | |
2419cd16 | 179 | depends on DM |
a7d660bc SG |
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 | ||
b1a873df SG |
188 | endmenu |
189 | ||
94e3c8c4 | 190 | menu "Hashing Support" |
191 | ||
192 | config SHA1 | |
193 | bool "Enable SHA1 support" | |
194 | help | |
195 | This option enables support of hashing using SHA1 algorithm. | |
196 | The hash is calculated in software. | |
197 | The SHA1 algorithm produces a 160-bit (20-byte) hash value | |
198 | (digest). | |
199 | ||
200 | config SHA256 | |
201 | bool "Enable SHA256 support" | |
202 | help | |
203 | This option enables support of hashing using SHA256 algorithm. | |
204 | The hash is calculated in software. | |
205 | The SHA256 algorithm produces a 256-bit (32-byte) hash value | |
206 | (digest). | |
207 | ||
208 | config SHA_HW_ACCEL | |
209 | bool "Enable hashing using hardware" | |
210 | help | |
211 | This option enables hardware acceleration | |
212 | for SHA1/SHA256 hashing. | |
213 | This affects the 'hash' command and also the | |
214 | hash_lookup_algo() function. | |
215 | ||
216 | config SHA_PROG_HW_ACCEL | |
217 | bool "Enable Progressive hashing support using hardware" | |
218 | depends on SHA_HW_ACCEL | |
219 | help | |
220 | This option enables hardware-acceleration for | |
221 | SHA1/SHA256 progressive hashing. | |
222 | Data can be streamed in a block at a time and the hashing | |
223 | is performed in hardware. | |
bea79d7d AP |
224 | |
225 | config MD5 | |
226 | bool | |
227 | ||
85d8bf57 MB |
228 | config CRC32C |
229 | bool | |
230 | ||
94e3c8c4 | 231 | endmenu |
232 | ||
027b728d JW |
233 | menu "Compression Support" |
234 | ||
235 | config LZ4 | |
236 | bool "Enable LZ4 decompression support" | |
237 | help | |
238 | If this option is set, support for LZ4 compressed images | |
239 | is included. The LZ4 algorithm can run in-place as long as the | |
240 | compressed image is loaded to the end of the output buffer, and | |
241 | trades lower compression ratios for much faster decompression. | |
242 | ||
243 | NOTE: This implements the release version of the LZ4 frame | |
244 | format as generated by default by the 'lz4' command line tool. | |
245 | This is not the same as the outdated, less efficient legacy | |
246 | frame format currently (2015) implemented in the Linux kernel | |
247 | (generated by 'lz4 -l'). The two formats are incompatible. | |
248 | ||
aed998aa SG |
249 | config LZMA |
250 | bool "Enable LZMA decompression support" | |
251 | help | |
252 | This enables support for LZMA (Lempel-Ziv-Markov chain algorithm), | |
253 | a dictionary compression algorithm that provides a high compression | |
254 | ratio and fairly fast decompression speed. See also | |
255 | CONFIG_CMD_LZMADEC which provides a decode command. | |
256 | ||
173aafbf | 257 | config LZO |
d56b4b19 TR |
258 | bool "Enable LZO decompression support" |
259 | help | |
260 | This enables support for LZO compression algorithm.r | |
7264f292 | 261 | |
f52bdf4b JJH |
262 | config SPL_LZO |
263 | bool "Enable LZO decompression support in SPL" | |
264 | help | |
265 | This enables support for LZO compression algorithm in the SPL. | |
266 | ||
7264f292 YS |
267 | config SPL_GZIP |
268 | bool "Enable gzip decompression support for SPL build" | |
269 | select SPL_ZLIB | |
270 | help | |
271 | This enables support for GZIP compression altorithm for SPL boot. | |
272 | ||
273 | config SPL_ZLIB | |
274 | bool | |
275 | help | |
276 | This enables compression lib for SPL boot. | |
277 | ||
027b728d JW |
278 | endmenu |
279 | ||
6501ff62 PM |
280 | config ERRNO_STR |
281 | bool "Enable function for getting errno-related string message" | |
282 | help | |
283 | The function errno_str(int errno), returns a pointer to the errno | |
284 | corresponding text message: | |
285 | - if errno is null or positive number - a pointer to "Success" message | |
286 | - if errno is negative - a pointer to errno related message | |
287 | ||
f8c987f8 AB |
288 | config HEXDUMP |
289 | bool "Enable hexdump" | |
290 | help | |
291 | This enables functions for printing dumps of binary data. | |
292 | ||
69e173eb SG |
293 | config OF_LIBFDT |
294 | bool "Enable the FDT library" | |
295 | default y if OF_CONTROL | |
296 | help | |
297 | This enables the FDT library (libfdt). It provides functions for | |
298 | accessing binary device tree images in memory, such as adding and | |
f1a7ba1d | 299 | removing nodes and properties, scanning through the tree and finding |
69e173eb SG |
300 | particular compatible nodes. The library operates on a flattened |
301 | version of the device tree. | |
302 | ||
ddf67f71 MR |
303 | config OF_LIBFDT_OVERLAY |
304 | bool "Enable the FDT library overlay support" | |
6417572e | 305 | depends on OF_LIBFDT |
58a46f88 | 306 | default y if ARCH_OMAP2PLUS || ARCH_KEYSTONE |
ddf67f71 MR |
307 | help |
308 | This enables the FDT library (libfdt) overlay support. | |
309 | ||
aa34fbc0 SG |
310 | config SPL_OF_LIBFDT |
311 | bool "Enable the FDT library for SPL" | |
312 | default y if SPL_OF_CONTROL | |
313 | help | |
314 | This enables the FDT library (libfdt). It provides functions for | |
315 | accessing binary device tree images in memory, such as adding and | |
f1a7ba1d | 316 | removing nodes and properties, scanning through the tree and finding |
aa34fbc0 SG |
317 | particular compatible nodes. The library operates on a flattened |
318 | version of the device tree. | |
319 | ||
ebf7fff2 HS |
320 | config FDT_FIXUP_PARTITIONS |
321 | bool "overwrite MTD partitions in DTS through defined in 'mtdparts'" | |
322 | depends on OF_LIBFDT | |
323 | default n | |
324 | help | |
325 | Allow overwriting defined partitions in the device tree blob | |
326 | using partition info defined in the 'mtdparts' environment | |
327 | variable. | |
328 | ||
4b6dddc2 | 329 | menu "System tables" |
e663b350 | 330 | depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER) |
4b6dddc2 AG |
331 | |
332 | config GENERATE_SMBIOS_TABLE | |
333 | bool "Generate an SMBIOS (System Management BIOS) table" | |
334 | default y | |
e663b350 | 335 | depends on X86 || EFI_LOADER |
4b6dddc2 AG |
336 | help |
337 | The System Management BIOS (SMBIOS) specification addresses how | |
338 | motherboard and system vendors present management information about | |
339 | their products in a standard format by extending the BIOS interface | |
340 | on Intel architecture systems. | |
341 | ||
342 | Check http://www.dmtf.org/standards/smbios for details. | |
343 | ||
344 | config SMBIOS_MANUFACTURER | |
345 | string "SMBIOS Manufacturer" | |
346 | depends on GENERATE_SMBIOS_TABLE | |
347 | default SYS_VENDOR | |
348 | help | |
349 | The board manufacturer to store in SMBIOS structures. | |
350 | Change this to override the default one (CONFIG_SYS_VENDOR). | |
351 | ||
352 | config SMBIOS_PRODUCT_NAME | |
353 | string "SMBIOS Product Name" | |
354 | depends on GENERATE_SMBIOS_TABLE | |
355 | default SYS_BOARD | |
356 | help | |
357 | The product name to store in SMBIOS structures. | |
358 | Change this to override the default one (CONFIG_SYS_BOARD). | |
359 | ||
360 | endmenu | |
361 | ||
867a6ac8 | 362 | source lib/efi/Kconfig |
ed980b8c | 363 | source lib/efi_loader/Kconfig |
32ce6179 | 364 | source lib/optee/Kconfig |
867a6ac8 | 365 | |
ed36323f | 366 | endmenu |