]>
Commit | Line | Data |
---|---|---|
1 | menu "Library routines" | |
2 | ||
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 | ||
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 | ||
18 | config HAVE_PRIVATE_LIBGCC | |
19 | bool | |
20 | ||
21 | config USE_PRIVATE_LIBGCC | |
22 | bool "Use private libgcc" | |
23 | depends on HAVE_PRIVATE_LIBGCC | |
24 | default y if HAVE_PRIVATE_LIBGCC && ((ARM && !ARM64) || MIPS) | |
25 | help | |
26 | This option allows you to use the built-in libgcc implementation | |
27 | of U-Boot instead of the one provided by the compiler. | |
28 | If unsure, say N. | |
29 | ||
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 | ||
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 | ||
48 | config REGEX | |
49 | bool "Enable regular expression support" | |
50 | default y if NET | |
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 | ||
57 | config LIB_RAND | |
58 | bool "Pseudo-random library support " | |
59 | help | |
60 | This library provides pseudo-random number generator functions. | |
61 | ||
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 | ||
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 | ||
80 | config RBTREE | |
81 | bool | |
82 | ||
83 | source lib/dhry/Kconfig | |
84 | ||
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 | ||
96 | source lib/rsa/Kconfig | |
97 | ||
98 | config TPM | |
99 | bool "Trusted Platform Module (TPM) Support" | |
100 | depends on DM | |
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 | ||
109 | endmenu | |
110 | ||
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. | |
145 | ||
146 | config MD5 | |
147 | bool | |
148 | ||
149 | config CRC32C | |
150 | bool | |
151 | ||
152 | endmenu | |
153 | ||
154 | menu "Compression Support" | |
155 | ||
156 | config LZ4 | |
157 | bool "Enable LZ4 decompression support" | |
158 | help | |
159 | If this option is set, support for LZ4 compressed images | |
160 | is included. The LZ4 algorithm can run in-place as long as the | |
161 | compressed image is loaded to the end of the output buffer, and | |
162 | trades lower compression ratios for much faster decompression. | |
163 | ||
164 | NOTE: This implements the release version of the LZ4 frame | |
165 | format as generated by default by the 'lz4' command line tool. | |
166 | This is not the same as the outdated, less efficient legacy | |
167 | frame format currently (2015) implemented in the Linux kernel | |
168 | (generated by 'lz4 -l'). The two formats are incompatible. | |
169 | ||
170 | config LZMA | |
171 | bool "Enable LZMA decompression support" | |
172 | help | |
173 | This enables support for LZMA (Lempel-Ziv-Markov chain algorithm), | |
174 | a dictionary compression algorithm that provides a high compression | |
175 | ratio and fairly fast decompression speed. See also | |
176 | CONFIG_CMD_LZMADEC which provides a decode command. | |
177 | ||
178 | config LZO | |
179 | bool "Enable LZO decompression support" | |
180 | help | |
181 | This enables support for LZO compression algorithm.r | |
182 | ||
183 | config SPL_LZO | |
184 | bool "Enable LZO decompression support in SPL" | |
185 | help | |
186 | This enables support for LZO compression algorithm in the SPL. | |
187 | ||
188 | config SPL_GZIP | |
189 | bool "Enable gzip decompression support for SPL build" | |
190 | select SPL_ZLIB | |
191 | help | |
192 | This enables support for GZIP compression altorithm for SPL boot. | |
193 | ||
194 | config SPL_ZLIB | |
195 | bool | |
196 | help | |
197 | This enables compression lib for SPL boot. | |
198 | ||
199 | endmenu | |
200 | ||
201 | config ERRNO_STR | |
202 | bool "Enable function for getting errno-related string message" | |
203 | help | |
204 | The function errno_str(int errno), returns a pointer to the errno | |
205 | corresponding text message: | |
206 | - if errno is null or positive number - a pointer to "Success" message | |
207 | - if errno is negative - a pointer to errno related message | |
208 | ||
209 | config OF_LIBFDT | |
210 | bool "Enable the FDT library" | |
211 | default y if OF_CONTROL | |
212 | help | |
213 | This enables the FDT library (libfdt). It provides functions for | |
214 | accessing binary device tree images in memory, such as adding and | |
215 | removing nodes and properties, scanning through the tree and finding | |
216 | particular compatible nodes. The library operates on a flattened | |
217 | version of the device tree. | |
218 | ||
219 | config OF_LIBFDT_OVERLAY | |
220 | bool "Enable the FDT library overlay support" | |
221 | help | |
222 | This enables the FDT library (libfdt) overlay support. | |
223 | ||
224 | config SPL_OF_LIBFDT | |
225 | bool "Enable the FDT library for SPL" | |
226 | default y if SPL_OF_CONTROL | |
227 | help | |
228 | This enables the FDT library (libfdt). It provides functions for | |
229 | accessing binary device tree images in memory, such as adding and | |
230 | removing nodes and properties, scanning through the tree and finding | |
231 | particular compatible nodes. The library operates on a flattened | |
232 | version of the device tree. | |
233 | ||
234 | config FDT_FIXUP_PARTITIONS | |
235 | bool "overwrite MTD partitions in DTS through defined in 'mtdparts'" | |
236 | depends on OF_LIBFDT | |
237 | default n | |
238 | help | |
239 | Allow overwriting defined partitions in the device tree blob | |
240 | using partition info defined in the 'mtdparts' environment | |
241 | variable. | |
242 | ||
243 | menu "System tables" | |
244 | depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER) | |
245 | ||
246 | config GENERATE_SMBIOS_TABLE | |
247 | bool "Generate an SMBIOS (System Management BIOS) table" | |
248 | default y | |
249 | depends on X86 || EFI_LOADER | |
250 | help | |
251 | The System Management BIOS (SMBIOS) specification addresses how | |
252 | motherboard and system vendors present management information about | |
253 | their products in a standard format by extending the BIOS interface | |
254 | on Intel architecture systems. | |
255 | ||
256 | Check http://www.dmtf.org/standards/smbios for details. | |
257 | ||
258 | config SMBIOS_MANUFACTURER | |
259 | string "SMBIOS Manufacturer" | |
260 | depends on GENERATE_SMBIOS_TABLE | |
261 | default SYS_VENDOR | |
262 | help | |
263 | The board manufacturer to store in SMBIOS structures. | |
264 | Change this to override the default one (CONFIG_SYS_VENDOR). | |
265 | ||
266 | config SMBIOS_PRODUCT_NAME | |
267 | string "SMBIOS Product Name" | |
268 | depends on GENERATE_SMBIOS_TABLE | |
269 | default SYS_BOARD | |
270 | help | |
271 | The product name to store in SMBIOS structures. | |
272 | Change this to override the default one (CONFIG_SYS_BOARD). | |
273 | ||
274 | endmenu | |
275 | ||
276 | source lib/efi/Kconfig | |
277 | source lib/efi_loader/Kconfig | |
278 | ||
279 | endmenu |