blob: 2a48f5325663c88790748347092efa7cacbb7afb [file] [log] [blame]
Masahiro Yamada804bc5e2014-07-30 14:08:15 +09001#
2# For a description of the syntax of this configuration file,
Robert P. J. Day2f845be2016-04-16 05:53:07 -04003# see the file Documentation/kbuild/kconfig-language.txt in the
4# Linux kernel source tree.
Masahiro Yamada804bc5e2014-07-30 14:08:15 +09005#
6mainmenu "U-Boot $UBOOTVERSION Configuration"
7
8config UBOOTVERSION
9 string
10 option env="UBOOTVERSION"
11
Simon Glass157c3952015-02-24 22:26:19 +090012# Allow defaults in arch-specific code to override any given here
13source "arch/Kconfig"
14
Masahiro Yamada804bc5e2014-07-30 14:08:15 +090015menu "General setup"
16
Heinrich Schuchardt556f86d2017-10-19 23:49:19 +020017config BROKEN
18 bool
19 help
20 This option cannot be enabled. It is used as dependency
21 for broken and incomplete features.
22
Masahiro Yamada6ea06e62014-08-22 19:42:27 +090023config LOCALVERSION
24 string "Local version - append to U-Boot release"
Masahiro Yamada6ea06e62014-08-22 19:42:27 +090025 help
26 Append an extra string to the end of your U-Boot version.
Robert P. J. Day2f845be2016-04-16 05:53:07 -040027 This will show up in your boot log, for example.
Masahiro Yamada6ea06e62014-08-22 19:42:27 +090028 The string you set here will be appended after the contents of
29 any files with a filename matching localversion* in your
30 object and source tree, in that order. Your total string can
31 be a maximum of 64 characters.
32
33config LOCALVERSION_AUTO
34 bool "Automatically append version information to the version string"
Masahiro Yamada6ea06e62014-08-22 19:42:27 +090035 default y
36 help
37 This will try to automatically determine if the current tree is a
Robert P. J. Day2f845be2016-04-16 05:53:07 -040038 release tree by looking for Git tags that belong to the current
Masahiro Yamada6ea06e62014-08-22 19:42:27 +090039 top of tree revision.
40
41 A string of the format -gxxxxxxxx will be added to the localversion
Robert P. J. Day2f845be2016-04-16 05:53:07 -040042 if a Git-based tree is found. The string generated by this will be
Masahiro Yamada6ea06e62014-08-22 19:42:27 +090043 appended after any matching localversion* files, and after the value
44 set in CONFIG_LOCALVERSION.
45
46 (The actual string used here is the first eight characters produced
47 by running the command:
48
49 $ git rev-parse --verify HEAD
50
51 which is done within the script "scripts/setlocalversion".)
52
Masahiro Yamada8240a4b2014-08-22 19:42:29 +090053config CC_OPTIMIZE_FOR_SIZE
54 bool "Optimize for size"
Masahiro Yamada8240a4b2014-08-22 19:42:29 +090055 default y
56 help
57 Enabling this option will pass "-Os" instead of "-O2" to gcc
58 resulting in a smaller U-Boot image.
59
60 This option is enabled by default for U-Boot.
61
Christian Gmeiner0e7c0712018-04-09 17:11:45 +020062config CC_COVERAGE
63 bool "Enable code coverage analysis"
64 depends on SANDBOX
65 help
66 Enabling this option will pass "--coverage" to gcc to compile
67 and link code instrumented for coverage analysis.
68
Hans de Goedef99c5cb2016-06-20 23:16:28 +020069config DISTRO_DEFAULTS
70 bool "Select defaults suitable for booting general purpose Linux distributions"
Michal Simek7e7ba3b2018-07-23 15:55:15 +020071 select AUTO_COMPLETE
72 select CMDLINE_EDITING
Masahiro Yamada04cf1552016-08-12 08:31:16 -040073 select CMD_BOOTI if ARM64
Michal Simek7e7ba3b2018-07-23 15:55:15 +020074 select CMD_BOOTZ if ARM && !ARM64
Joe Hershberger1c657e92018-04-13 15:26:31 -050075 select CMD_DHCP if CMD_NET
Masahiro Yamadae4ce7952018-04-25 19:16:48 +090076 select CMD_ENV_EXISTS
Hans de Goedef99c5cb2016-06-20 23:16:28 +020077 select CMD_EXT2
78 select CMD_EXT4
79 select CMD_FAT
80 select CMD_FS_GENERIC
Tom Rini732aa4a2018-02-10 16:54:38 -050081 select CMD_PART if PARTITIONS
Michal Simek7e7ba3b2018-07-23 15:55:15 +020082 select CMD_PING if CMD_NET
83 select CMD_PXE if NET
84 select ENV_VARS_UBOOT_CONFIG
Hans de Goedef99c5cb2016-06-20 23:16:28 +020085 select HUSH_PARSER
Adam Ford58dbf862018-02-06 07:58:59 -060086 select SUPPORT_RAW_INITRD
Michal Simek7e7ba3b2018-07-23 15:55:15 +020087 select SYS_LONGHELP
88 imply CMD_MII if NET
Alexander Grafa90e5822018-10-18 09:33:03 +020089 imply USB_STORAGE
Michal Simek7e7ba3b2018-07-23 15:55:15 +020090 imply USE_BOOTCOMMAND
Hans de Goedef99c5cb2016-06-20 23:16:28 +020091 help
92 Select this to enable various options and commands which are suitable
93 for building u-boot for booting general purpose Linux distributions.
94
Adam Ford58dbf862018-02-06 07:58:59 -060095config ENV_VARS_UBOOT_CONFIG
96 bool "Add arch, board, vendor and soc variables to default environment"
97 help
98 Define this in order to add variables describing the
99 U-Boot build configuration to the default environment.
100 These will be named arch, cpu, board, vendor, and soc.
101 Enabling this option will cause the following to be defined:
102 - CONFIG_SYS_ARCH
103 - CONFIG_SYS_CPU
104 - CONFIG_SYS_BOARD
105 - CONFIG_SYS_VENDOR
106 - CONFIG_SYS_SOC
107
Ramon Fried99826612018-08-14 01:00:04 +0300108config NR_DRAM_BANKS
109 int "Number of DRAM banks"
110 default 4
111 help
112 This defines the number of DRAM banks.
113
Derald D. Woodseb730bd2018-01-22 17:17:10 -0600114config SYS_BOOT_GET_CMDLINE
115 bool "Enable kernel command line setup"
116 help
117 Enables allocating and saving kernel cmdline in space between
118 "bootm_low" and "bootm_low" + BOOTMAPSZ.
119
120config SYS_BOOT_GET_KBD
121 bool "Enable kernel board information setup"
122 help
123 Enables allocating and saving a kernel copy of the bd_info in
124 space between "bootm_low" and "bootm_low" + BOOTMAPSZ.
125
Simon Glass838723b2015-02-11 16:32:59 -0700126config SYS_MALLOC_F
127 bool "Enable malloc() pool before relocation"
Masahiro Yamadac6988242015-03-19 19:42:55 +0900128 default y if DM
Simon Glassb24fdd42018-12-03 04:37:17 -0700129
Simon Glass838723b2015-02-11 16:32:59 -0700130 help
Robert P. J. Day2f845be2016-04-16 05:53:07 -0400131 Before relocation, memory is very limited on many platforms. Still,
Simon Glass838723b2015-02-11 16:32:59 -0700132 we can provide a small malloc() pool if needed. Driver model in
133 particular needs this to operate, so that it can allocate the
134 initial serial device and any others that are needed.
135
136config SYS_MALLOC_F_LEN
137 hex "Size of malloc() pool before relocation"
138 depends on SYS_MALLOC_F
Sjoerd Simons4e335c32018-04-12 18:09:58 +0200139 default 0x1000 if AM33XX
Simon Glassb24fdd42018-12-03 04:37:17 -0700140 default 0x2800 if SANDBOX
Simon Glass838723b2015-02-11 16:32:59 -0700141 default 0x400
142 help
Robert P. J. Day2f845be2016-04-16 05:53:07 -0400143 Before relocation, memory is very limited on many platforms. Still,
Simon Glass838723b2015-02-11 16:32:59 -0700144 we can provide a small malloc() pool if needed. Driver model in
145 particular needs this to operate, so that it can allocate the
146 initial serial device and any others that are needed.
147
Siva Durga Prasad Paladugu9adb5262018-07-20 15:11:38 +0530148config SYS_MALLOC_LEN
149 hex "Define memory for Dynamic allocation"
Michal Simek4b066a12018-08-22 14:55:27 +0200150 depends on ARCH_ZYNQ || ARCH_VERSAL
Siva Durga Prasad Paladugu9adb5262018-07-20 15:11:38 +0530151 help
152 This defines memory to be allocated for Dynamic allocation
153 TODO: Use for other architectures
154
Andy Yan1fa20e4d2017-07-24 17:43:34 +0800155config SPL_SYS_MALLOC_F_LEN
Michal Simek0601c1b2018-07-24 14:47:43 +0200156 hex "Size of malloc() pool in SPL before relocation"
157 depends on SYS_MALLOC_F
158 default SYS_MALLOC_F_LEN
159 help
160 Before relocation, memory is very limited on many platforms. Still,
161 we can provide a small malloc() pool if needed. Driver model in
162 particular needs this to operate, so that it can allocate the
163 initial serial device and any others that are needed.
Philipp Tomsich10139352017-07-28 11:06:03 +0200164
165config TPL_SYS_MALLOC_F_LEN
Michal Simek0601c1b2018-07-24 14:47:43 +0200166 hex "Size of malloc() pool in TPL before relocation"
167 depends on SYS_MALLOC_F
168 default SYS_MALLOC_F_LEN
169 help
170 Before relocation, memory is very limited on many platforms. Still,
171 we can provide a small malloc() pool if needed. Driver model in
172 particular needs this to operate, so that it can allocate the
173 initial serial device and any others that are needed.
Andy Yan1fa20e4d2017-07-24 17:43:34 +0800174
Tom Rinia50d5b52014-11-14 09:34:29 +0100175menuconfig EXPERT
Przemyslaw Marczak88436782015-03-04 14:01:24 +0100176 bool "Configure standard U-Boot features (expert users)"
177 default y
178 help
179 This option allows certain base U-Boot options and settings
180 to be disabled or tweaked. This is for specialized
181 environments which can tolerate a "non-standard" U-Boot.
Robert P. J. Day2f845be2016-04-16 05:53:07 -0400182 Use this only if you really know what you are doing.
Przemyslaw Marczak88436782015-03-04 14:01:24 +0100183
184if EXPERT
185 config SYS_MALLOC_CLEAR_ON_INIT
186 bool "Init with zeros the memory reserved for malloc (slow)"
187 default y
188 help
189 This setting is enabled by default. The reserved malloc
190 memory is initialized with zeros, so first malloc calls
191 will return the pointer to the zeroed memory. But this
192 slows the boot time.
Tom Rinia50d5b52014-11-14 09:34:29 +0100193
Przemyslaw Marczak88436782015-03-04 14:01:24 +0100194 It is recommended to disable it, when CONFIG_SYS_MALLOC_LEN
195 value, has more than few MiB, e.g. when uses bzip2 or bmp logo.
196 Then the boot time can be significantly reduced.
197 Warning:
198 When disabling this, please check if malloc calls, maybe
Robert P. J. Day2f845be2016-04-16 05:53:07 -0400199 should be replaced by calloc - if one expects zeroed memory.
Simon Glass86a64492016-06-30 10:52:20 -0600200
201config TOOLS_DEBUG
202 bool "Enable debug information for tools"
203 help
204 Enable generation of debug information for tools such as mkimage.
205 This can be used for debugging purposes. With debug information
206 it is possible to set breakpoints on particular lines, single-step
207 debug through the source code, etc.
208
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500209endif # EXPERT
Masahiro Yamada653e9fe2016-07-25 19:56:03 +0900210
211config PHYS_64BIT
212 bool "64bit physical address support"
213 help
214 Say Y here to support 64bit physical memory address.
215 This can be used not only for 64bit SoCs, but also for
Chris Packham2b52a242019-01-13 22:13:19 +1300216 large physical address extension on 32bit SoCs.
Masahiro Yamada653e9fe2016-07-25 19:56:03 +0900217
Heinrich Schuchardtae284492017-10-16 18:08:38 +0000218config BUILD_ROM
219 bool "Build U-Boot as BIOS replacement"
220 depends on X86
221 help
222 This option allows to build a ROM version of U-Boot.
223 The build process generally requires several binary blobs
224 which are not shipped in the U-Boot source tree.
225 Please, see doc/README.x86 for details.
226
Jagan Tekiaee9ed32019-01-18 12:52:49 +0530227config BUILD_TARGET
228 string "Build target special images"
229 default "u-boot-with-spl.sfp" if ARCH_SOCFPGA
230 default "u-boot-spl.kwb" if ARCH_MVEBU && SPL_BUILD
231 default "u-boot-elf.srec" if RCAR_GEN3
232 default "u-boot.itb" if SPL_LOAD_FIT && ARCH_SUNXI
Chris Packhamdcb51012019-01-18 20:46:43 +1300233 default "u-boot.kwb" if KIRKWOOD
Jagan Tekiaee9ed32019-01-18 12:52:49 +0530234 help
235 Some SoCs need special image types (e.g. U-Boot binary
236 with a special header) as build targets. By defining
237 CONFIG_BUILD_TARGET in the SoC / board header, this
238 special image will be automatically built upon calling
239 make / buildman.
240
Masahiro Yamada9eeddf22014-11-26 18:42:31 +0900241endmenu # General setup
242
Masahiro Yamada6ea06e62014-08-22 19:42:27 +0900243menu "Boot images"
244
Tom Rinib5bf5622017-08-25 17:50:27 -0400245config ANDROID_BOOT_IMAGE
246 bool "Enable support for Android Boot Images"
247 default y if FASTBOOT
248 help
249 This enables support for booting images which use the Android
250 image format header.
251
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900252config FIT
253 bool "Support Flattened Image Tree"
Andre Przywara84763302017-03-15 01:19:06 +0000254 select MD5
Tom Rini5bdd9192017-05-15 12:17:49 -0400255 select SHA1
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900256 help
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500257 This option allows you to boot the new uImage structure,
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900258 Flattened Image Tree. FIT is formally a FDT, which can include
259 images of various types (kernel, FDT blob, ramdisk, etc.)
260 in a single blob. To boot this new uImage structure,
Igor Grinberge40176b2015-08-26 17:54:45 +0300261 pass the address of the blob to the "bootm" command.
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700262 FIT is very flexible, supporting compression, multiple images,
263 multiple configurations, verification through hashing and also
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500264 verified boot (secure boot using RSA).
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900265
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500266if FIT
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900267
Peng Fana5f184f2018-11-20 10:19:11 +0000268config FIT_EXTERNAL_OFFSET
269 hex "Text Base"
270 default 0x0
271 help
272 This specifies a data offset in fit image.
273 The offset is from data payload offset to the beginning of
274 fit image header. When specifies a offset, specific data
275 could be put in the hole between data payload and fit image
276 header, such as CSF data on i.MX platform.
277
Tom Rinicc54a102017-05-15 12:17:48 -0400278config FIT_ENABLE_SHA256_SUPPORT
279 bool "Support SHA256 checksum of FIT image contents"
280 default y
Michal Simek7e7ba3b2018-07-23 15:55:15 +0200281 select SHA256
Tom Rinicc54a102017-05-15 12:17:48 -0400282 help
283 Enable this to support SHA256 checksum of FIT image contents. A
284 SHA256 checksum is a 256-bit (32-byte) hash value used to check that
285 the image contents have not been corrupted. SHA256 is recommended
286 for use in secure applications since (as at 2016) there is no known
287 feasible attack that could produce a 'collision' with differing
288 input data. Use this for the highest security. Note that only the
289 SHA256 variant is supported: SHA512 and others are not currently
290 supported in U-Boot.
291
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900292config FIT_SIGNATURE
Ruchika Gupta2c3822e2015-01-23 16:01:51 +0530293 bool "Enable signature verification of FIT uImages"
Chris Kuetheb58cf4f2015-02-04 19:16:14 -0800294 depends on DM
Kelvin Cheungc6189b52018-05-02 18:07:18 +0800295 select HASH
Michal Simek7e7ba3b2018-07-23 15:55:15 +0200296 select RSA
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900297 help
298 This option enables signature verification of FIT uImages,
gaurav ranaef201592015-02-20 12:51:46 +0530299 using a hash signed and verified using RSA. If
300 CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500301 hashing is available using hardware, then the RSA library will use
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700302 it. See doc/uImage.FIT/signature.txt for more details.
303
304 WARNING: When relying on signed FIT images with a required signature
305 check the legacy image format is disabled by default, so that
306 unsigned images cannot be loaded. If a board needs the legacy image
307 format support in this case, enable it using
308 CONFIG_IMAGE_FORMAT_LEGACY.
309
Teddy Reede6a47832018-06-09 11:38:05 -0400310config FIT_SIGNATURE_MAX_SIZE
311 hex "Max size of signed FIT structures"
312 depends on FIT_SIGNATURE
313 default 0x10000000
314 help
315 This option sets a max size in bytes for verified FIT uImages.
316 A sane value of 256MB protects corrupted DTB structures from overlapping
317 device memory. Assure this size does not extend past expected storage
318 space.
319
Philippe Reynes47d73f02018-11-14 13:51:01 +0100320config FIT_ENABLE_RSASSA_PSS_SUPPORT
321 bool "Support rsassa-pss signature scheme of FIT image contents"
322 depends on FIT_SIGNATURE
323 default n
324 help
325 Enable this to support the pss padding algorithm as described
326 in the rfc8017 (https://tools.ietf.org/html/rfc8017).
327
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500328config FIT_VERBOSE
329 bool "Show verbose messages when FIT images fail"
330 help
331 Generally a system will have valid FIT images so debug messages
332 are a waste of code space. If you are debugging your images then
333 you can enable this option to get more verbose information about
334 failures.
Teddy Reed5021e3c2016-06-09 19:18:44 -0700335
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700336config FIT_BEST_MATCH
337 bool "Select the best match for the kernel device tree"
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700338 help
339 When no configuration is explicitly selected, default to the
340 one whose fdt's compatibility field best matches that of
341 U-Boot itself. A match is considered "best" if it matches the
342 most specific compatibility entry of U-Boot's fdt's root node.
343 The order of entries in the configuration's fdt is ignored.
344
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500345config FIT_IMAGE_POST_PROCESS
346 bool "Enable post-processing of FIT artifacts after loading by U-Boot"
347 depends on TI_SECURE_DEVICE
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700348 help
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500349 Allows doing any sort of manipulation to blobs after they got extracted
350 from FIT images like stripping off headers or modifying the size of the
351 blob, verification, authentication, decryption etc. in a platform or
352 board specific way. In order to use this feature a platform or board-
353 specific implementation of board_fit_image_post_process() must be
354 provided. Also, anything done during this post-processing step would
355 need to be comprehended in how the images were prepared before being
356 injected into the FIT creation (i.e. the blobs would have been pre-
357 processed before being added to the FIT image).
358
Tom Rinidf7576b2017-05-22 14:15:16 -0400359if SPL
360
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500361config SPL_FIT
362 bool "Support Flattened Image Tree within SPL"
363 depends on SPL
Andre Przywarad28fda22017-04-26 01:32:38 +0100364 select SPL_OF_LIBFDT
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500365
Marek Vasut9f2e0eb2018-05-13 00:22:52 +0200366config SPL_FIT_PRINT
367 bool "Support FIT printing within SPL"
368 depends on SPL_FIT
369 help
370 Support printing the content of the fitImage in a verbose manner in SPL.
371
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500372config SPL_FIT_SIGNATURE
373 bool "Enable signature verification of FIT firmware within SPL"
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500374 depends on SPL_DM
Andre Przywarad28fda22017-04-26 01:32:38 +0100375 select SPL_FIT
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500376 select SPL_RSA
377
378config SPL_LOAD_FIT
379 bool "Enable SPL loading U-Boot as a FIT"
Andre Przywarad28fda22017-04-26 01:32:38 +0100380 select SPL_FIT
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500381 help
382 Normally with the SPL framework a legacy image is generated as part
383 of the build. This contains U-Boot along with information as to
384 where it should be loaded. This option instead enables generation
385 of a FIT (Flat Image Tree) which provides more flexibility. In
386 particular it can handle selecting from multiple device tree
387 and passing the correct one to U-Boot.
388
Marek Vasut06623372018-05-13 00:23:17 +0200389config SPL_LOAD_FIT_FULL
390 bool "Enable SPL loading U-Boot as a FIT"
391 select SPL_FIT
392 help
393 Normally with the SPL framework a legacy image is generated as part
394 of the build. This contains U-Boot along with information as to
395 where it should be loaded. This option instead enables generation
396 of a FIT (Flat Image Tree) which provides more flexibility. In
397 particular it can handle selecting from multiple device tree
398 and passing the correct one to U-Boot.
399
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500400config SPL_FIT_IMAGE_POST_PROCESS
401 bool "Enable post-processing of FIT artifacts after loading by the SPL"
ext-vasily.gurevich@vaisala.comd1659de2017-10-02 13:42:55 +0000402 depends on SPL_LOAD_FIT
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500403 help
404 Allows doing any sort of manipulation to blobs after they got extracted
405 from the U-Boot FIT image like stripping off headers or modifying the
406 size of the blob, verification, authentication, decryption etc. in a
407 platform or board specific way. In order to use this feature a platform
408 or board-specific implementation of board_fit_image_post_process() must
409 be provided. Also, anything done during this post-processing step would
410 need to be comprehended in how the images were prepared before being
411 injected into the FIT creation (i.e. the blobs would have been pre-
412 processed before being added to the FIT image).
413
Andre Przywara0f6456d2017-04-26 01:32:45 +0100414config SPL_FIT_SOURCE
415 string ".its source file for U-Boot FIT image"
416 depends on SPL_FIT
417 help
418 Specifies a (platform specific) FIT source file to generate the
419 U-Boot FIT image. This could specify further image to load and/or
420 execute.
421
422config SPL_FIT_GENERATOR
423 string ".its file generator script for U-Boot FIT image"
424 depends on SPL_FIT
Andre Przywarad8362162017-04-26 01:32:48 +0100425 default "board/sunxi/mksunxi_fit_atf.sh" if SPL_LOAD_FIT && ARCH_SUNXI
Andre Przywara0f6456d2017-04-26 01:32:45 +0100426 help
427 Specifies a (platform specific) script file to generate the FIT
428 source file used to build the U-Boot FIT image file. This gets
429 passed a list of supported device tree file stub names to
430 include in the generated image.
431
Tom Rinidf7576b2017-05-22 14:15:16 -0400432endif # SPL
433
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500434endif # FIT
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700435
Alex Kiernan0419a9b2018-04-20 21:25:38 +0000436config IMAGE_FORMAT_LEGACY
437 bool "Enable support for the legacy image format"
438 default y if !FIT_SIGNATURE
439 help
440 This option enables the legacy image format. It is enabled by
441 default for backward compatibility, unless FIT_SIGNATURE is
442 set where it is disabled so that unsigned images cannot be
443 loaded. If a board needs the legacy image format support in this
444 case, enable it here.
445
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700446config OF_BOARD_SETUP
447 bool "Set up board-specific details in device tree before boot"
448 depends on OF_LIBFDT
449 help
450 This causes U-Boot to call ft_board_setup() before booting into
451 the Operating System. This function can set up various
452 board-specific information in the device tree for use by the OS.
453 The device tree is then passed to the OS.
454
455config OF_SYSTEM_SETUP
456 bool "Set up system-specific details in device tree before boot"
457 depends on OF_LIBFDT
458 help
459 This causes U-Boot to call ft_system_setup() before booting into
460 the Operating System. This function can set up various
461 system-specific information in the device tree for use by the OS.
462 The device tree is then passed to the OS.
463
464config OF_STDOUT_VIA_ALIAS
465 bool "Update the device-tree stdout alias from U-Boot"
466 depends on OF_LIBFDT
467 help
468 This uses U-Boot's serial alias from the aliases node to update
469 the device tree passed to the OS. The "linux,stdout-path" property
470 in the chosen node is set to point to the correct serial node.
471 This option currently references CONFIG_CONS_INDEX, which is
472 incorrect when used with device tree as this option does not
473 exist / should not be used.
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900474
Masahiro Yamada804bc5e2014-07-30 14:08:15 +0900475config SYS_EXTRA_OPTIONS
476 string "Extra Options (DEPRECATED)"
Masahiro Yamada804bc5e2014-07-30 14:08:15 +0900477 help
478 The old configuration infrastructure (= mkconfig + boards.cfg)
Masahiro Yamadaf3e12b72014-09-16 16:32:58 +0900479 provided the extra options field. If you have something like
Masahiro Yamada804bc5e2014-07-30 14:08:15 +0900480 "HAS_BAR,BAZ=64", the optional options
481 #define CONFIG_HAS
482 #define CONFIG_BAZ 64
483 will be defined in include/config.h.
484 This option was prepared for the smooth migration from the old
485 configuration to Kconfig. Since this option will be removed sometime,
486 new boards should not use this option.
487
Masahiro Yamadac02a3272014-10-30 15:30:58 +0900488config SYS_TEXT_BASE
Tom Rini07edfae2018-02-03 12:10:38 -0500489 depends on !NIOS2 && !XTENSA
Ben Stoltzb7e41242015-08-04 12:33:41 -0600490 depends on !EFI_APP
Lokesh Vutla9bdec002018-08-27 15:57:08 +0530491 default 0x80800000 if ARCH_OMAP2PLUS || ARCH_K3
Andre Przywara5e0560c2018-03-03 23:49:02 +0000492 default 0x4a000000 if ARCH_SUNXI && !MACH_SUN9I && !MACH_SUN8I_V3S
493 default 0x2a000000 if ARCH_SUNXI && MACH_SUN9I
494 default 0x42e00000 if ARCH_SUNXI && MACH_SUN8I_V3S
Masahiro Yamadac02a3272014-10-30 15:30:58 +0900495 hex "Text Base"
496 help
Tom Rini07edfae2018-02-03 12:10:38 -0500497 The address in memory that U-Boot will be running from, initially.
Masahiro Yamadac02a3272014-10-30 15:30:58 +0900498
Adam Ford384e5262017-07-28 08:32:52 -0500499
Andreas Dannenberg67aaa6d2016-07-27 12:12:39 -0500500
Alexey Brodkin693744a2015-01-13 18:49:01 +0300501config SYS_CLK_FREQ
Iain Paton630df142015-03-28 10:26:38 +0000502 depends on ARC || ARCH_SUNXI
Alexey Brodkin693744a2015-01-13 18:49:01 +0300503 int "CPU clock frequency"
504 help
505 TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture
506
Masahiro Yamadaf6aa39e2016-11-26 11:02:10 +0900507config ARCH_FIXUP_FDT_MEMORY
508 bool "Enable arch_fixup_memory_banks() call"
Michal Simek8ff86892016-07-28 09:06:41 +0200509 default y
510 help
511 Enable FDT memory map syncup before OS boot. This feature can be
512 used for booting OS with different memory setup where the part of
513 the memory location should be used for different purpose.
514
Masahiro Yamada6ea06e62014-08-22 19:42:27 +0900515endmenu # Boot images
Masahiro Yamada804bc5e2014-07-30 14:08:15 +0900516
Emmanuel Vadotaa020992017-01-31 12:17:04 +0100517source "api/Kconfig"
518
Masahiro Yamadaf3e12b72014-09-16 16:32:58 +0900519source "common/Kconfig"
520
Simon Glass29499a02016-01-17 20:53:51 -0700521source "cmd/Kconfig"
522
Patrick Delaunaydc280602017-01-27 11:00:35 +0100523source "disk/Kconfig"
524
Masahiro Yamada9fadbc82014-09-22 19:59:05 +0900525source "dts/Kconfig"
526
Simon Glass547cb402017-08-03 12:21:49 -0600527source "env/Kconfig"
528
Masahiro Yamadaf3e12b72014-09-16 16:32:58 +0900529source "net/Kconfig"
530
531source "drivers/Kconfig"
532
533source "fs/Kconfig"
534
535source "lib/Kconfig"
Simon Glass9dd430d2015-02-05 21:41:37 -0700536
537source "test/Kconfig"