]>
Commit | Line | Data |
---|---|---|
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 | ||
1a60650c JH |
48 | config REGEX |
49 | bool "Enable regular expression support" | |
f7848d90 | 50 | default y if NET |
1a60650c JH |
51 | help |
52 | If this variable is defined, U-Boot is linked against the | |
53 | SLRE (Super Light Regular Expression) library, which adds | |
54 | regex support to some commands, for example "env grep" and | |
55 | "setexpr". | |
56 | ||
9ba9e85f | 57 | config LIB_RAND |
3850dbe8 MY |
58 | bool "Pseudo-random library support " |
59 | help | |
60 | This library provides pseudo-random number generator functions. | |
9ba9e85f | 61 | |
ab4458bd SG |
62 | config SPL_TINY_MEMSET |
63 | bool "Use a very small memset() in SPL" | |
64 | help | |
65 | The faster memset() is the arch-specific one (if available) enabled | |
66 | by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get | |
67 | better performance by writing a word at a time. But in very | |
68 | size-constrained envrionments even this may be too big. Enable this | |
69 | option to reduce code size slightly at the cost of some speed. | |
70 | ||
96b9082c PT |
71 | config TPL_TINY_MEMSET |
72 | bool "Use a very small memset() in TPL" | |
73 | help | |
74 | The faster memset() is the arch-specific one (if available) enabled | |
75 | by CONFIG_USE_ARCH_MEMSET. If that is not enabled, we can still get | |
76 | better performance by writing a word at a time. But in very | |
77 | size-constrained envrionments even this may be too big. Enable this | |
78 | option to reduce code size slightly at the cost of some speed. | |
79 | ||
aa049152 BB |
80 | config RBTREE |
81 | bool | |
82 | ||
d1389403 SG |
83 | source lib/dhry/Kconfig |
84 | ||
b1a873df SG |
85 | menu "Security support" |
86 | ||
87 | config AES | |
88 | bool "Support the AES algorithm" | |
89 | help | |
90 | This provides a means to encrypt and decrypt data using the AES | |
91 | (Advanced Encryption Standard). This algorithm uses a symetric key | |
92 | and is widely used as a streaming cipher. Different key lengths are | |
93 | supported by the algorithm but only a 128-bit key is supported at | |
94 | present. | |
95 | ||
d9f23c7f | 96 | source lib/rsa/Kconfig |
c4beb22f | 97 | |
a7d660bc SG |
98 | config TPM |
99 | bool "Trusted Platform Module (TPM) Support" | |
2419cd16 | 100 | depends on DM |
a7d660bc SG |
101 | help |
102 | This enables support for TPMs which can be used to provide security | |
103 | features for your board. The TPM can be connected via LPC or I2C | |
104 | and a sandbox TPM is provided for testing purposes. Use the 'tpm' | |
105 | command to interactive the TPM. Driver model support is provided | |
106 | for the low-level TPM interface, but only one TPM is supported at | |
107 | a time by the TPM library. | |
108 | ||
b1a873df SG |
109 | endmenu |
110 | ||
94e3c8c4 | 111 | menu "Hashing Support" |
112 | ||
113 | config SHA1 | |
114 | bool "Enable SHA1 support" | |
115 | help | |
116 | This option enables support of hashing using SHA1 algorithm. | |
117 | The hash is calculated in software. | |
118 | The SHA1 algorithm produces a 160-bit (20-byte) hash value | |
119 | (digest). | |
120 | ||
121 | config SHA256 | |
122 | bool "Enable SHA256 support" | |
123 | help | |
124 | This option enables support of hashing using SHA256 algorithm. | |
125 | The hash is calculated in software. | |
126 | The SHA256 algorithm produces a 256-bit (32-byte) hash value | |
127 | (digest). | |
128 | ||
129 | config SHA_HW_ACCEL | |
130 | bool "Enable hashing using hardware" | |
131 | help | |
132 | This option enables hardware acceleration | |
133 | for SHA1/SHA256 hashing. | |
134 | This affects the 'hash' command and also the | |
135 | hash_lookup_algo() function. | |
136 | ||
137 | config SHA_PROG_HW_ACCEL | |
138 | bool "Enable Progressive hashing support using hardware" | |
139 | depends on SHA_HW_ACCEL | |
140 | help | |
141 | This option enables hardware-acceleration for | |
142 | SHA1/SHA256 progressive hashing. | |
143 | Data can be streamed in a block at a time and the hashing | |
144 | is performed in hardware. | |
bea79d7d AP |
145 | |
146 | config MD5 | |
147 | bool | |
148 | ||
94e3c8c4 | 149 | endmenu |
150 | ||
027b728d JW |
151 | menu "Compression Support" |
152 | ||
153 | config LZ4 | |
154 | bool "Enable LZ4 decompression support" | |
155 | help | |
156 | If this option is set, support for LZ4 compressed images | |
157 | is included. The LZ4 algorithm can run in-place as long as the | |
158 | compressed image is loaded to the end of the output buffer, and | |
159 | trades lower compression ratios for much faster decompression. | |
160 | ||
161 | NOTE: This implements the release version of the LZ4 frame | |
162 | format as generated by default by the 'lz4' command line tool. | |
163 | This is not the same as the outdated, less efficient legacy | |
164 | frame format currently (2015) implemented in the Linux kernel | |
165 | (generated by 'lz4 -l'). The two formats are incompatible. | |
166 | ||
aed998aa SG |
167 | config LZMA |
168 | bool "Enable LZMA decompression support" | |
169 | help | |
170 | This enables support for LZMA (Lempel-Ziv-Markov chain algorithm), | |
171 | a dictionary compression algorithm that provides a high compression | |
172 | ratio and fairly fast decompression speed. See also | |
173 | CONFIG_CMD_LZMADEC which provides a decode command. | |
174 | ||
173aafbf | 175 | config LZO |
d56b4b19 TR |
176 | bool "Enable LZO decompression support" |
177 | help | |
178 | This enables support for LZO compression algorithm.r | |
027b728d JW |
179 | endmenu |
180 | ||
6501ff62 PM |
181 | config ERRNO_STR |
182 | bool "Enable function for getting errno-related string message" | |
183 | help | |
184 | The function errno_str(int errno), returns a pointer to the errno | |
185 | corresponding text message: | |
186 | - if errno is null or positive number - a pointer to "Success" message | |
187 | - if errno is negative - a pointer to errno related message | |
188 | ||
69e173eb SG |
189 | config OF_LIBFDT |
190 | bool "Enable the FDT library" | |
191 | default y if OF_CONTROL | |
192 | help | |
193 | This enables the FDT library (libfdt). It provides functions for | |
194 | accessing binary device tree images in memory, such as adding and | |
f1a7ba1d | 195 | removing nodes and properties, scanning through the tree and finding |
69e173eb SG |
196 | particular compatible nodes. The library operates on a flattened |
197 | version of the device tree. | |
198 | ||
ddf67f71 MR |
199 | config OF_LIBFDT_OVERLAY |
200 | bool "Enable the FDT library overlay support" | |
201 | help | |
202 | This enables the FDT library (libfdt) overlay support. | |
203 | ||
aa34fbc0 SG |
204 | config SPL_OF_LIBFDT |
205 | bool "Enable the FDT library for SPL" | |
206 | default y if SPL_OF_CONTROL | |
207 | help | |
208 | This enables the FDT library (libfdt). It provides functions for | |
209 | accessing binary device tree images in memory, such as adding and | |
f1a7ba1d | 210 | removing nodes and properties, scanning through the tree and finding |
aa34fbc0 SG |
211 | particular compatible nodes. The library operates on a flattened |
212 | version of the device tree. | |
213 | ||
ebf7fff2 HS |
214 | config FDT_FIXUP_PARTITIONS |
215 | bool "overwrite MTD partitions in DTS through defined in 'mtdparts'" | |
216 | depends on OF_LIBFDT | |
217 | default n | |
218 | help | |
219 | Allow overwriting defined partitions in the device tree blob | |
220 | using partition info defined in the 'mtdparts' environment | |
221 | variable. | |
222 | ||
4b6dddc2 | 223 | menu "System tables" |
e663b350 | 224 | depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER) |
4b6dddc2 AG |
225 | |
226 | config GENERATE_SMBIOS_TABLE | |
227 | bool "Generate an SMBIOS (System Management BIOS) table" | |
228 | default y | |
e663b350 | 229 | depends on X86 || EFI_LOADER |
4b6dddc2 AG |
230 | help |
231 | The System Management BIOS (SMBIOS) specification addresses how | |
232 | motherboard and system vendors present management information about | |
233 | their products in a standard format by extending the BIOS interface | |
234 | on Intel architecture systems. | |
235 | ||
236 | Check http://www.dmtf.org/standards/smbios for details. | |
237 | ||
238 | config SMBIOS_MANUFACTURER | |
239 | string "SMBIOS Manufacturer" | |
240 | depends on GENERATE_SMBIOS_TABLE | |
241 | default SYS_VENDOR | |
242 | help | |
243 | The board manufacturer to store in SMBIOS structures. | |
244 | Change this to override the default one (CONFIG_SYS_VENDOR). | |
245 | ||
246 | config SMBIOS_PRODUCT_NAME | |
247 | string "SMBIOS Product Name" | |
248 | depends on GENERATE_SMBIOS_TABLE | |
249 | default SYS_BOARD | |
250 | help | |
251 | The product name to store in SMBIOS structures. | |
252 | Change this to override the default one (CONFIG_SYS_BOARD). | |
253 | ||
254 | endmenu | |
255 | ||
867a6ac8 | 256 | source lib/efi/Kconfig |
ed980b8c | 257 | source lib/efi_loader/Kconfig |
867a6ac8 | 258 | |
ed36323f | 259 | endmenu |