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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 | ||
45ccec8f MY |
18 | config HAVE_PRIVATE_LIBGCC |
19 | bool | |
20 | ||
21 | config USE_PRIVATE_LIBGCC | |
22 | bool "Use private libgcc" | |
23 | depends on HAVE_PRIVATE_LIBGCC | |
91b86e21 | 24 | default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS) |
45ccec8f MY |
25 | help |
26 | This option allows you to use the built-in libgcc implementation | |
67976306 | 27 | of U-Boot instead of the one provided by the compiler. |
45ccec8f MY |
28 | If unsure, say N. |
29 | ||
8c688bc4 MY |
30 | config SYS_HZ |
31 | int | |
32 | default 1000 | |
33 | help | |
34 | The frequency of the timer returned by get_timer(). | |
35 | get_timer() must operate in milliseconds and this option must be | |
36 | set to 1000. | |
37 | ||
7d9cde10 SR |
38 | config USE_TINY_PRINTF |
39 | bool "Enable tiny printf() version" | |
40 | help | |
41 | This option enables a tiny, stripped down printf version. | |
42 | This should only be used in space limited environments, | |
43 | like SPL versions with hard memory limits. This version | |
44 | reduces the code size by about 2.5KiB on armv7. | |
45 | ||
46 | The supported format specifiers are %c, %s, %u/%d and %x. | |
47 | ||
7e3caa81 MY |
48 | config PANIC_HANG |
49 | bool "Do not reset the system on fatal error" | |
50 | help | |
51 | Define this option to stop the system in case of a fatal error, | |
52 | so that you have to reset it manually. This is probably NOT a good | |
53 | idea for an embedded system where you want the system to reboot | |
54 | automatically as fast as possible, but it may be useful during | |
55 | development since you can try to debug the conditions that lead to | |
56 | the situation. | |
57 | ||
1a60650c JH |
58 | config REGEX |
59 | bool "Enable regular expression support" | |
f7848d90 | 60 | default y if NET |
1a60650c JH |
61 | help |
62 | If this variable is defined, U-Boot is linked against the | |
63 | SLRE (Super Light Regular Expression) library, which adds | |
64 | regex support to some commands, for example "env grep" and | |
65 | "setexpr". | |
66 | ||
9ba9e85f | 67 | config LIB_RAND |
3850dbe8 MY |
68 | bool "Pseudo-random library support " |
69 | help | |
70 | This library provides pseudo-random number generator functions. | |
9ba9e85f | 71 | |
ab4458bd SG |
72 | config SPL_TINY_MEMSET |
73 | bool "Use a very small memset() in SPL" | |
74 | help | |
75 | The faster memset() is the arch-specific one (if available) enabled | |
76 | by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get | |
77 | better performance by writing a word at a time. But in very | |
78 | size-constrained envrionments even this may be too big. Enable this | |
79 | option to reduce code size slightly at the cost of some speed. | |
80 | ||
96b9082c PT |
81 | config TPL_TINY_MEMSET |
82 | bool "Use a very small memset() in TPL" | |
83 | help | |
84 | The faster memset() is the arch-specific one (if available) enabled | |
85 | by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get | |
86 | better performance by writing a word at a time. But in very | |
87 | size-constrained envrionments even this may be too big. Enable this | |
88 | option to reduce code size slightly at the cost of some speed. | |
89 | ||
aa049152 BB |
90 | config RBTREE |
91 | bool | |
92 | ||
da5337a6 NH |
93 | config BITREVERSE |
94 | bool "Bit reverse library from Linux" | |
95 | ||
d1389403 SG |
96 | source lib/dhry/Kconfig |
97 | ||
b1a873df SG |
98 | menu "Security support" |
99 | ||
100 | config AES | |
101 | bool "Support the AES algorithm" | |
102 | help | |
103 | This provides a means to encrypt and decrypt data using the AES | |
104 | (Advanced Encryption Standard). This algorithm uses a symetric key | |
105 | and is widely used as a streaming cipher. Different key lengths are | |
106 | supported by the algorithm but only a 128-bit key is supported at | |
107 | present. | |
108 | ||
d9f23c7f | 109 | source lib/rsa/Kconfig |
c4beb22f | 110 | |
a7d660bc SG |
111 | config TPM |
112 | bool "Trusted Platform Module (TPM) Support" | |
2419cd16 | 113 | depends on DM |
a7d660bc SG |
114 | help |
115 | This enables support for TPMs which can be used to provide security | |
116 | features for your board. The TPM can be connected via LPC or I2C | |
117 | and a sandbox TPM is provided for testing purposes. Use the 'tpm' | |
118 | command to interactive the TPM. Driver model support is provided | |
119 | for the low-level TPM interface, but only one TPM is supported at | |
120 | a time by the TPM library. | |
121 | ||
b1a873df SG |
122 | endmenu |
123 | ||
94e3c8c4 | 124 | menu "Hashing Support" |
125 | ||
126 | config SHA1 | |
127 | bool "Enable SHA1 support" | |
128 | help | |
129 | This option enables support of hashing using SHA1 algorithm. | |
130 | The hash is calculated in software. | |
131 | The SHA1 algorithm produces a 160-bit (20-byte) hash value | |
132 | (digest). | |
133 | ||
134 | config SHA256 | |
135 | bool "Enable SHA256 support" | |
136 | help | |
137 | This option enables support of hashing using SHA256 algorithm. | |
138 | The hash is calculated in software. | |
139 | The SHA256 algorithm produces a 256-bit (32-byte) hash value | |
140 | (digest). | |
141 | ||
142 | config SHA_HW_ACCEL | |
143 | bool "Enable hashing using hardware" | |
144 | help | |
145 | This option enables hardware acceleration | |
146 | for SHA1/SHA256 hashing. | |
147 | This affects the 'hash' command and also the | |
148 | hash_lookup_algo() function. | |
149 | ||
150 | config SHA_PROG_HW_ACCEL | |
151 | bool "Enable Progressive hashing support using hardware" | |
152 | depends on SHA_HW_ACCEL | |
153 | help | |
154 | This option enables hardware-acceleration for | |
155 | SHA1/SHA256 progressive hashing. | |
156 | Data can be streamed in a block at a time and the hashing | |
157 | is performed in hardware. | |
bea79d7d AP |
158 | |
159 | config MD5 | |
160 | bool | |
161 | ||
85d8bf57 MB |
162 | config CRC32C |
163 | bool | |
164 | ||
94e3c8c4 | 165 | endmenu |
166 | ||
027b728d JW |
167 | menu "Compression Support" |
168 | ||
169 | config LZ4 | |
170 | bool "Enable LZ4 decompression support" | |
171 | help | |
172 | If this option is set, support for LZ4 compressed images | |
173 | is included. The LZ4 algorithm can run in-place as long as the | |
174 | compressed image is loaded to the end of the output buffer, and | |
175 | trades lower compression ratios for much faster decompression. | |
176 | ||
177 | NOTE: This implements the release version of the LZ4 frame | |
178 | format as generated by default by the 'lz4' command line tool. | |
179 | This is not the same as the outdated, less efficient legacy | |
180 | frame format currently (2015) implemented in the Linux kernel | |
181 | (generated by 'lz4 -l'). The two formats are incompatible. | |
182 | ||
aed998aa SG |
183 | config LZMA |
184 | bool "Enable LZMA decompression support" | |
185 | help | |
186 | This enables support for LZMA (Lempel-Ziv-Markov chain algorithm), | |
187 | a dictionary compression algorithm that provides a high compression | |
188 | ratio and fairly fast decompression speed. See also | |
189 | CONFIG_CMD_LZMADEC which provides a decode command. | |
190 | ||
173aafbf | 191 | config LZO |
d56b4b19 TR |
192 | bool "Enable LZO decompression support" |
193 | help | |
194 | This enables support for LZO compression algorithm.r | |
7264f292 | 195 | |
f52bdf4b JJH |
196 | config SPL_LZO |
197 | bool "Enable LZO decompression support in SPL" | |
198 | help | |
199 | This enables support for LZO compression algorithm in the SPL. | |
200 | ||
7264f292 YS |
201 | config SPL_GZIP |
202 | bool "Enable gzip decompression support for SPL build" | |
203 | select SPL_ZLIB | |
204 | help | |
205 | This enables support for GZIP compression altorithm for SPL boot. | |
206 | ||
207 | config SPL_ZLIB | |
208 | bool | |
209 | help | |
210 | This enables compression lib for SPL boot. | |
211 | ||
027b728d JW |
212 | endmenu |
213 | ||
6501ff62 PM |
214 | config ERRNO_STR |
215 | bool "Enable function for getting errno-related string message" | |
216 | help | |
217 | The function errno_str(int errno), returns a pointer to the errno | |
218 | corresponding text message: | |
219 | - if errno is null or positive number - a pointer to "Success" message | |
220 | - if errno is negative - a pointer to errno related message | |
221 | ||
69e173eb SG |
222 | config OF_LIBFDT |
223 | bool "Enable the FDT library" | |
224 | default y if OF_CONTROL | |
225 | help | |
226 | This enables the FDT library (libfdt). It provides functions for | |
227 | accessing binary device tree images in memory, such as adding and | |
f1a7ba1d | 228 | removing nodes and properties, scanning through the tree and finding |
69e173eb SG |
229 | particular compatible nodes. The library operates on a flattened |
230 | version of the device tree. | |
231 | ||
ddf67f71 MR |
232 | config OF_LIBFDT_OVERLAY |
233 | bool "Enable the FDT library overlay support" | |
234 | help | |
235 | This enables the FDT library (libfdt) overlay support. | |
236 | ||
aa34fbc0 SG |
237 | config SPL_OF_LIBFDT |
238 | bool "Enable the FDT library for SPL" | |
239 | default y if SPL_OF_CONTROL | |
240 | help | |
241 | This enables the FDT library (libfdt). It provides functions for | |
242 | accessing binary device tree images in memory, such as adding and | |
f1a7ba1d | 243 | removing nodes and properties, scanning through the tree and finding |
aa34fbc0 SG |
244 | particular compatible nodes. The library operates on a flattened |
245 | version of the device tree. | |
246 | ||
ebf7fff2 HS |
247 | config FDT_FIXUP_PARTITIONS |
248 | bool "overwrite MTD partitions in DTS through defined in 'mtdparts'" | |
249 | depends on OF_LIBFDT | |
250 | default n | |
251 | help | |
252 | Allow overwriting defined partitions in the device tree blob | |
253 | using partition info defined in the 'mtdparts' environment | |
254 | variable. | |
255 | ||
4b6dddc2 | 256 | menu "System tables" |
e663b350 | 257 | depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER) |
4b6dddc2 AG |
258 | |
259 | config GENERATE_SMBIOS_TABLE | |
260 | bool "Generate an SMBIOS (System Management BIOS) table" | |
261 | default y | |
e663b350 | 262 | depends on X86 || EFI_LOADER |
4b6dddc2 AG |
263 | help |
264 | The System Management BIOS (SMBIOS) specification addresses how | |
265 | motherboard and system vendors present management information about | |
266 | their products in a standard format by extending the BIOS interface | |
267 | on Intel architecture systems. | |
268 | ||
269 | Check http://www.dmtf.org/standards/smbios for details. | |
270 | ||
271 | config SMBIOS_MANUFACTURER | |
272 | string "SMBIOS Manufacturer" | |
273 | depends on GENERATE_SMBIOS_TABLE | |
274 | default SYS_VENDOR | |
275 | help | |
276 | The board manufacturer to store in SMBIOS structures. | |
277 | Change this to override the default one (CONFIG_SYS_VENDOR). | |
278 | ||
279 | config SMBIOS_PRODUCT_NAME | |
280 | string "SMBIOS Product Name" | |
281 | depends on GENERATE_SMBIOS_TABLE | |
282 | default SYS_BOARD | |
283 | help | |
284 | The product name to store in SMBIOS structures. | |
285 | Change this to override the default one (CONFIG_SYS_BOARD). | |
286 | ||
287 | endmenu | |
288 | ||
867a6ac8 | 289 | source lib/efi/Kconfig |
ed980b8c | 290 | source lib/efi_loader/Kconfig |
867a6ac8 | 291 | |
ed36323f | 292 | endmenu |