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Masahiro Yamada51631252014-07-30 14:08:15 +09001#
2# For a description of the syntax of this configuration file,
Robert P. J. Day59d7c342016-04-16 05:53:07 -04003# see the file Documentation/kbuild/kconfig-language.txt in the
4# Linux kernel source tree.
Masahiro Yamada51631252014-07-30 14:08:15 +09005#
6mainmenu "U-Boot $UBOOTVERSION Configuration"
7
8config UBOOTVERSION
9 string
10 option env="UBOOTVERSION"
11
Simon Glass66afaef2015-02-24 22:26:19 +090012# Allow defaults in arch-specific code to override any given here
13source "arch/Kconfig"
14
Masahiro Yamada51631252014-07-30 14:08:15 +090015menu "General setup"
16
Heinrich Schuchardt4c7a2112017-10-19 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 Yamadae91c3c32014-08-22 19:42:27 +090023config LOCALVERSION
24 string "Local version - append to U-Boot release"
Masahiro Yamadae91c3c32014-08-22 19:42:27 +090025 help
26 Append an extra string to the end of your U-Boot version.
Robert P. J. Day59d7c342016-04-16 05:53:07 -040027 This will show up in your boot log, for example.
Masahiro Yamadae91c3c32014-08-22 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 Yamadae91c3c32014-08-22 19:42:27 +090035 default y
36 help
37 This will try to automatically determine if the current tree is a
Robert P. J. Day59d7c342016-04-16 05:53:07 -040038 release tree by looking for Git tags that belong to the current
Masahiro Yamadae91c3c32014-08-22 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. Day59d7c342016-04-16 05:53:07 -040042 if a Git-based tree is found. The string generated by this will be
Masahiro Yamadae91c3c32014-08-22 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 Yamada4a8ed8e2014-08-22 19:42:29 +090053config CC_OPTIMIZE_FOR_SIZE
54 bool "Optimize for size"
Masahiro Yamada4a8ed8e2014-08-22 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 Gmeiner52ff8022018-04-09 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 Goede9f823612016-06-20 23:16:28 +020069config DISTRO_DEFAULTS
70 bool "Select defaults suitable for booting general purpose Linux distributions"
Michal Simek58008cb2018-07-23 15:55:15 +020071 select AUTO_COMPLETE
72 select CMDLINE_EDITING
Masahiro Yamada26959272016-08-12 08:31:16 -040073 select CMD_BOOTI if ARM64
Michal Simek58008cb2018-07-23 15:55:15 +020074 select CMD_BOOTZ if ARM && !ARM64
Joe Hershbergerba628852018-04-13 15:26:31 -050075 select CMD_DHCP if CMD_NET
Masahiro Yamadac4f66832018-04-25 19:16:48 +090076 select CMD_ENV_EXISTS
Hans de Goede9f823612016-06-20 23:16:28 +020077 select CMD_EXT2
78 select CMD_EXT4
79 select CMD_FAT
80 select CMD_FS_GENERIC
Tom Rinifa2c1462018-02-10 16:54:38 -050081 select CMD_PART if PARTITIONS
Michal Simek58008cb2018-07-23 15:55:15 +020082 select CMD_PING if CMD_NET
83 select CMD_PXE if NET
Adam Fordd021e942018-02-06 07:58:59 -060084 select ENV_VARS_UBOOT_CONFIG
Michal Simek58008cb2018-07-23 15:55:15 +020085 select HUSH_PARSER
86 select SUPPORT_RAW_INITRD
87 select SYS_LONGHELP
88 imply CMD_MII if NET
Alexander Graf4aa74922018-10-18 09:33:03 +020089 imply USB_STORAGE
Michal Simek58008cb2018-07-23 15:55:15 +020090 imply USE_BOOTCOMMAND
Hans de Goede9f823612016-06-20 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 Fordd021e942018-02-06 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 Fried999a7722018-08-14 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. Woods405fc832018-01-22 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 Glassb724bd72015-02-11 16:32:59 -0700126config SYS_MALLOC_F
127 bool "Enable malloc() pool before relocation"
Masahiro Yamada326a6822015-03-19 19:42:55 +0900128 default y if DM
Simon Glass15a5c722018-12-03 04:37:17 -0700129
Simon Glassb724bd72015-02-11 16:32:59 -0700130 help
Robert P. J. Day59d7c342016-04-16 05:53:07 -0400131 Before relocation, memory is very limited on many platforms. Still,
Simon Glassb724bd72015-02-11 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 Simons90e407a2018-04-12 18:09:58 +0200139 default 0x1000 if AM33XX
Simon Glass15a5c722018-12-03 04:37:17 -0700140 default 0x2800 if SANDBOX
Fabio Estevam08919d32019-05-03 14:05:04 -0300141 default 0x2000 if (ARCH_IMX8 || ARCH_IMX8M || ARCH_MX7 || \
142 ARCH_MX7ULP || ARCH_MX6 || ARCH_MX5)
Simon Glassb724bd72015-02-11 16:32:59 -0700143 default 0x400
144 help
Robert P. J. Day59d7c342016-04-16 05:53:07 -0400145 Before relocation, memory is very limited on many platforms. Still,
Simon Glassb724bd72015-02-11 16:32:59 -0700146 we can provide a small malloc() pool if needed. Driver model in
147 particular needs this to operate, so that it can allocate the
148 initial serial device and any others that are needed.
149
Siva Durga Prasad Paladugu01aa5b82018-07-20 15:11:38 +0530150config SYS_MALLOC_LEN
151 hex "Define memory for Dynamic allocation"
Patrick Delaunayef84ddd2019-04-18 17:32:36 +0200152 depends on ARCH_ZYNQ || ARCH_VERSAL || ARCH_STM32MP
Siva Durga Prasad Paladugu01aa5b82018-07-20 15:11:38 +0530153 help
154 This defines memory to be allocated for Dynamic allocation
155 TODO: Use for other architectures
156
Andy Yanf1896c42017-07-24 17:43:34 +0800157config SPL_SYS_MALLOC_F_LEN
Michal Simek14aa2102018-07-24 14:47:43 +0200158 hex "Size of malloc() pool in SPL before relocation"
159 depends on SYS_MALLOC_F
Marek Vasut56023302018-10-03 12:44:13 +0200160 default 0x2800 if RCAR_GEN3
Michal Simek14aa2102018-07-24 14:47:43 +0200161 default SYS_MALLOC_F_LEN
162 help
163 Before relocation, memory is very limited on many platforms. Still,
164 we can provide a small malloc() pool if needed. Driver model in
165 particular needs this to operate, so that it can allocate the
166 initial serial device and any others that are needed.
Philipp Tomsichae2cee22017-07-28 11:06:03 +0200167
168config TPL_SYS_MALLOC_F_LEN
Michal Simek14aa2102018-07-24 14:47:43 +0200169 hex "Size of malloc() pool in TPL before relocation"
170 depends on SYS_MALLOC_F
171 default SYS_MALLOC_F_LEN
172 help
173 Before relocation, memory is very limited on many platforms. Still,
174 we can provide a small malloc() pool if needed. Driver model in
175 particular needs this to operate, so that it can allocate the
176 initial serial device and any others that are needed.
Andy Yanf1896c42017-07-24 17:43:34 +0800177
Tom Rini1bf09792014-11-14 09:34:29 +0100178menuconfig EXPERT
Przemyslaw Marczak0aa8a4a2015-03-04 14:01:24 +0100179 bool "Configure standard U-Boot features (expert users)"
180 default y
181 help
182 This option allows certain base U-Boot options and settings
183 to be disabled or tweaked. This is for specialized
184 environments which can tolerate a "non-standard" U-Boot.
Robert P. J. Day59d7c342016-04-16 05:53:07 -0400185 Use this only if you really know what you are doing.
Tom Rini1bf09792014-11-14 09:34:29 +0100186
Przemyslaw Marczak0aa8a4a2015-03-04 14:01:24 +0100187if EXPERT
188 config SYS_MALLOC_CLEAR_ON_INIT
189 bool "Init with zeros the memory reserved for malloc (slow)"
190 default y
191 help
192 This setting is enabled by default. The reserved malloc
193 memory is initialized with zeros, so first malloc calls
194 will return the pointer to the zeroed memory. But this
195 slows the boot time.
196
197 It is recommended to disable it, when CONFIG_SYS_MALLOC_LEN
198 value, has more than few MiB, e.g. when uses bzip2 or bmp logo.
199 Then the boot time can be significantly reduced.
200 Warning:
201 When disabling this, please check if malloc calls, maybe
Robert P. J. Day59d7c342016-04-16 05:53:07 -0400202 should be replaced by calloc - if one expects zeroed memory.
Simon Glass022885c2016-06-30 10:52:20 -0600203
204config TOOLS_DEBUG
205 bool "Enable debug information for tools"
206 help
207 Enable generation of debug information for tools such as mkimage.
208 This can be used for debugging purposes. With debug information
209 it is possible to set breakpoints on particular lines, single-step
210 debug through the source code, etc.
211
Robert P. J. Day266aa862017-01-02 16:32:13 -0500212endif # EXPERT
Masahiro Yamadabb6b1422016-07-25 19:56:03 +0900213
214config PHYS_64BIT
215 bool "64bit physical address support"
216 help
217 Say Y here to support 64bit physical memory address.
218 This can be used not only for 64bit SoCs, but also for
Chris Packham3aeb7712019-01-13 22:13:19 +1300219 large physical address extension on 32bit SoCs.
Masahiro Yamadabb6b1422016-07-25 19:56:03 +0900220
Heinrich Schuchardt871aa412017-10-16 18:08:38 +0000221config BUILD_ROM
222 bool "Build U-Boot as BIOS replacement"
223 depends on X86
224 help
225 This option allows to build a ROM version of U-Boot.
226 The build process generally requires several binary blobs
227 which are not shipped in the U-Boot source tree.
228 Please, see doc/README.x86 for details.
229
Stefan Roese9ea6f712019-04-03 15:24:50 +0200230config SPL_IMAGE
231 string "SPL image used in the combined SPL+U-Boot image"
232 default "spl/boot.bin" if ARCH_AT91 && SPL_NAND_SUPPORT
233 default "spl/u-boot-spl.bin"
234 help
235 Select the SPL build target that shall be generated by the SPL
236 build process (default spl/u-boot-spl.bin). This image will be
237 used to generate a combined image with SPL and main U-Boot
238 proper as one single image.
239
Jagan Tekidc146ca2019-01-18 12:52:49 +0530240config BUILD_TARGET
241 string "Build target special images"
Dalon Westergreene3ada912019-03-20 13:15:21 -0700242 default "u-boot-with-spl.sfp" if TARGET_SOCFPGA_ARRIA10
243 default "u-boot-with-spl.sfp" if TARGET_SOCFPGA_GEN5
Baruch Siach0ef69202019-02-07 13:21:16 +0200244 default "u-boot-spl.kwb" if ARCH_MVEBU && SPL
Jagan Tekidc146ca2019-01-18 12:52:49 +0530245 default "u-boot-elf.srec" if RCAR_GEN3
246 default "u-boot.itb" if SPL_LOAD_FIT && ARCH_SUNXI
Chris Packhamd5512a32019-01-18 20:46:43 +1300247 default "u-boot.kwb" if KIRKWOOD
Stefan Roese9ea6f712019-04-03 15:24:50 +0200248 default "u-boot-with-spl.bin" if ARCH_AT91 && SPL_NAND_SUPPORT
Jagan Tekidc146ca2019-01-18 12:52:49 +0530249 help
250 Some SoCs need special image types (e.g. U-Boot binary
251 with a special header) as build targets. By defining
252 CONFIG_BUILD_TARGET in the SoC / board header, this
253 special image will be automatically built upon calling
254 make / buildman.
255
Masahiro Yamada40ad4c42014-11-26 18:42:31 +0900256endmenu # General setup
257
Masahiro Yamadae91c3c32014-08-22 19:42:27 +0900258menu "Boot images"
259
Tom Rini48f62322017-08-25 17:50:27 -0400260config ANDROID_BOOT_IMAGE
261 bool "Enable support for Android Boot Images"
262 default y if FASTBOOT
263 help
264 This enables support for booting images which use the Android
265 image format header.
266
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900267config FIT
268 bool "Support Flattened Image Tree"
Andre Przywaraaeb9c532017-03-15 01:19:06 +0000269 select MD5
Tom Rini089df182017-05-15 12:17:49 -0400270 select SHA1
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900271 help
Robert P. J. Day266aa862017-01-02 16:32:13 -0500272 This option allows you to boot the new uImage structure,
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900273 Flattened Image Tree. FIT is formally a FDT, which can include
274 images of various types (kernel, FDT blob, ramdisk, etc.)
275 in a single blob. To boot this new uImage structure,
Igor Grinberg1f9ac4a2015-08-26 17:54:45 +0300276 pass the address of the blob to the "bootm" command.
Simon Glass73223f02016-02-22 22:55:43 -0700277 FIT is very flexible, supporting compression, multiple images,
278 multiple configurations, verification through hashing and also
Robert P. J. Day266aa862017-01-02 16:32:13 -0500279 verified boot (secure boot using RSA).
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900280
Robert P. J. Day266aa862017-01-02 16:32:13 -0500281if FIT
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900282
Peng Fan3814fcb2018-11-20 10:19:11 +0000283config FIT_EXTERNAL_OFFSET
Ibai Erkiagaf07ce592019-05-15 22:10:04 +0100284 hex "FIT external data offset"
Peng Fan3814fcb2018-11-20 10:19:11 +0000285 default 0x0
286 help
287 This specifies a data offset in fit image.
288 The offset is from data payload offset to the beginning of
289 fit image header. When specifies a offset, specific data
290 could be put in the hole between data payload and fit image
291 header, such as CSF data on i.MX platform.
292
Tom Rini0db7f682017-05-15 12:17:48 -0400293config FIT_ENABLE_SHA256_SUPPORT
294 bool "Support SHA256 checksum of FIT image contents"
295 default y
Michal Simek58008cb2018-07-23 15:55:15 +0200296 select SHA256
Tom Rini0db7f682017-05-15 12:17:48 -0400297 help
298 Enable this to support SHA256 checksum of FIT image contents. A
299 SHA256 checksum is a 256-bit (32-byte) hash value used to check that
300 the image contents have not been corrupted. SHA256 is recommended
301 for use in secure applications since (as at 2016) there is no known
302 feasible attack that could produce a 'collision' with differing
303 input data. Use this for the highest security. Note that only the
304 SHA256 variant is supported: SHA512 and others are not currently
305 supported in U-Boot.
306
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900307config FIT_SIGNATURE
Ruchika Guptac4beb222015-01-23 16:01:51 +0530308 bool "Enable signature verification of FIT uImages"
Chris Kuethe90097982015-02-04 19:16:14 -0800309 depends on DM
Kelvin Cheung535adee2018-05-02 18:07:18 +0800310 select HASH
Michal Simek58008cb2018-07-23 15:55:15 +0200311 select RSA
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900312 help
313 This option enables signature verification of FIT uImages,
gaurav rana94e3c8c2015-02-20 12:51:46 +0530314 using a hash signed and verified using RSA. If
315 CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive
Robert P. J. Day266aa862017-01-02 16:32:13 -0500316 hashing is available using hardware, then the RSA library will use
Simon Glass73223f02016-02-22 22:55:43 -0700317 it. See doc/uImage.FIT/signature.txt for more details.
318
319 WARNING: When relying on signed FIT images with a required signature
320 check the legacy image format is disabled by default, so that
321 unsigned images cannot be loaded. If a board needs the legacy image
322 format support in this case, enable it using
323 CONFIG_IMAGE_FORMAT_LEGACY.
324
Teddy Reed72239fc2018-06-09 11:38:05 -0400325config FIT_SIGNATURE_MAX_SIZE
326 hex "Max size of signed FIT structures"
327 depends on FIT_SIGNATURE
328 default 0x10000000
329 help
330 This option sets a max size in bytes for verified FIT uImages.
331 A sane value of 256MB protects corrupted DTB structures from overlapping
332 device memory. Assure this size does not extend past expected storage
333 space.
334
Philippe Reynes061daa02018-11-14 13:51:01 +0100335config FIT_ENABLE_RSASSA_PSS_SUPPORT
336 bool "Support rsassa-pss signature scheme of FIT image contents"
337 depends on FIT_SIGNATURE
338 default n
339 help
340 Enable this to support the pss padding algorithm as described
341 in the rfc8017 (https://tools.ietf.org/html/rfc8017).
342
Robert P. J. Day266aa862017-01-02 16:32:13 -0500343config FIT_VERBOSE
344 bool "Show verbose messages when FIT images fail"
345 help
346 Generally a system will have valid FIT images so debug messages
347 are a waste of code space. If you are debugging your images then
348 you can enable this option to get more verbose information about
349 failures.
Teddy Reed51c14cd2016-06-09 19:18:44 -0700350
Simon Glass73223f02016-02-22 22:55:43 -0700351config FIT_BEST_MATCH
352 bool "Select the best match for the kernel device tree"
Simon Glass73223f02016-02-22 22:55:43 -0700353 help
354 When no configuration is explicitly selected, default to the
355 one whose fdt's compatibility field best matches that of
356 U-Boot itself. A match is considered "best" if it matches the
357 most specific compatibility entry of U-Boot's fdt's root node.
358 The order of entries in the configuration's fdt is ignored.
359
Robert P. J. Day266aa862017-01-02 16:32:13 -0500360config FIT_IMAGE_POST_PROCESS
361 bool "Enable post-processing of FIT artifacts after loading by U-Boot"
362 depends on TI_SECURE_DEVICE
Simon Glass73223f02016-02-22 22:55:43 -0700363 help
Robert P. J. Day266aa862017-01-02 16:32:13 -0500364 Allows doing any sort of manipulation to blobs after they got extracted
365 from FIT images like stripping off headers or modifying the size of the
366 blob, verification, authentication, decryption etc. in a platform or
367 board specific way. In order to use this feature a platform or board-
368 specific implementation of board_fit_image_post_process() must be
369 provided. Also, anything done during this post-processing step would
370 need to be comprehended in how the images were prepared before being
371 injected into the FIT creation (i.e. the blobs would have been pre-
372 processed before being added to the FIT image).
373
Tom Rini71139112017-05-22 14:15:16 -0400374if SPL
375
Robert P. J. Day266aa862017-01-02 16:32:13 -0500376config SPL_FIT
377 bool "Support Flattened Image Tree within SPL"
378 depends on SPL
Andre Przywara85c07a52017-04-26 01:32:38 +0100379 select SPL_OF_LIBFDT
Robert P. J. Day266aa862017-01-02 16:32:13 -0500380
Marek Vasutb527b9c2018-05-13 00:22:52 +0200381config SPL_FIT_PRINT
382 bool "Support FIT printing within SPL"
383 depends on SPL_FIT
384 help
385 Support printing the content of the fitImage in a verbose manner in SPL.
386
Robert P. J. Day266aa862017-01-02 16:32:13 -0500387config SPL_FIT_SIGNATURE
388 bool "Enable signature verification of FIT firmware within SPL"
Robert P. J. Day266aa862017-01-02 16:32:13 -0500389 depends on SPL_DM
Andre Przywara85c07a52017-04-26 01:32:38 +0100390 select SPL_FIT
Robert P. J. Day266aa862017-01-02 16:32:13 -0500391 select SPL_RSA
392
393config SPL_LOAD_FIT
Marek Vasut2a221fb2019-05-25 22:53:42 +0200394 bool "Enable SPL loading U-Boot as a FIT (basic fitImage features)"
Andre Przywara85c07a52017-04-26 01:32:38 +0100395 select SPL_FIT
Robert P. J. Day266aa862017-01-02 16:32:13 -0500396 help
397 Normally with the SPL framework a legacy image is generated as part
398 of the build. This contains U-Boot along with information as to
399 where it should be loaded. This option instead enables generation
400 of a FIT (Flat Image Tree) which provides more flexibility. In
401 particular it can handle selecting from multiple device tree
402 and passing the correct one to U-Boot.
403
Marek Vasut8a9dc162018-05-13 00:23:17 +0200404config SPL_LOAD_FIT_FULL
Marek Vasut2a221fb2019-05-25 22:53:42 +0200405 bool "Enable SPL loading U-Boot as a FIT (full fitImage features)"
Marek Vasut8a9dc162018-05-13 00:23:17 +0200406 select SPL_FIT
407 help
408 Normally with the SPL framework a legacy image is generated as part
409 of the build. This contains U-Boot along with information as to
410 where it should be loaded. This option instead enables generation
411 of a FIT (Flat Image Tree) which provides more flexibility. In
412 particular it can handle selecting from multiple device tree
413 and passing the correct one to U-Boot.
414
Robert P. J. Day266aa862017-01-02 16:32:13 -0500415config SPL_FIT_IMAGE_POST_PROCESS
416 bool "Enable post-processing of FIT artifacts after loading by the SPL"
ext-vasily.gurevich@vaisala.comc12d8b72017-10-02 13:42:55 +0000417 depends on SPL_LOAD_FIT
Robert P. J. Day266aa862017-01-02 16:32:13 -0500418 help
419 Allows doing any sort of manipulation to blobs after they got extracted
420 from the U-Boot FIT image like stripping off headers or modifying the
421 size of the blob, verification, authentication, decryption etc. in a
422 platform or board specific way. In order to use this feature a platform
423 or board-specific implementation of board_fit_image_post_process() must
424 be provided. Also, anything done during this post-processing step would
425 need to be comprehended in how the images were prepared before being
426 injected into the FIT creation (i.e. the blobs would have been pre-
427 processed before being added to the FIT image).
428
Andre Przywara1a12fdc2017-04-26 01:32:45 +0100429config SPL_FIT_SOURCE
430 string ".its source file for U-Boot FIT image"
431 depends on SPL_FIT
432 help
433 Specifies a (platform specific) FIT source file to generate the
434 U-Boot FIT image. This could specify further image to load and/or
435 execute.
436
437config SPL_FIT_GENERATOR
438 string ".its file generator script for U-Boot FIT image"
439 depends on SPL_FIT
Andre Przywarad29adf82017-04-26 01:32:48 +0100440 default "board/sunxi/mksunxi_fit_atf.sh" if SPL_LOAD_FIT && ARCH_SUNXI
Jagan Teki695dca92019-05-08 11:11:42 +0530441 default "arch/arm/mach-rockchip/make_fit_atf.py" if SPL_LOAD_FIT && ARCH_ROCKCHIP
Andre Przywara1a12fdc2017-04-26 01:32:45 +0100442 help
443 Specifies a (platform specific) script file to generate the FIT
444 source file used to build the U-Boot FIT image file. This gets
445 passed a list of supported device tree file stub names to
446 include in the generated image.
447
Tom Rini71139112017-05-22 14:15:16 -0400448endif # SPL
449
Robert P. J. Day266aa862017-01-02 16:32:13 -0500450endif # FIT
Simon Glass73223f02016-02-22 22:55:43 -0700451
Alex Kiernan002c3232018-04-20 21:25:38 +0000452config IMAGE_FORMAT_LEGACY
453 bool "Enable support for the legacy image format"
454 default y if !FIT_SIGNATURE
455 help
456 This option enables the legacy image format. It is enabled by
457 default for backward compatibility, unless FIT_SIGNATURE is
458 set where it is disabled so that unsigned images cannot be
459 loaded. If a board needs the legacy image format support in this
460 case, enable it here.
461
Simon Glass73223f02016-02-22 22:55:43 -0700462config OF_BOARD_SETUP
463 bool "Set up board-specific details in device tree before boot"
464 depends on OF_LIBFDT
465 help
466 This causes U-Boot to call ft_board_setup() before booting into
467 the Operating System. This function can set up various
468 board-specific information in the device tree for use by the OS.
469 The device tree is then passed to the OS.
470
471config OF_SYSTEM_SETUP
472 bool "Set up system-specific details in device tree before boot"
473 depends on OF_LIBFDT
474 help
475 This causes U-Boot to call ft_system_setup() before booting into
476 the Operating System. This function can set up various
477 system-specific information in the device tree for use by the OS.
478 The device tree is then passed to the OS.
479
480config OF_STDOUT_VIA_ALIAS
481 bool "Update the device-tree stdout alias from U-Boot"
482 depends on OF_LIBFDT
483 help
484 This uses U-Boot's serial alias from the aliases node to update
485 the device tree passed to the OS. The "linux,stdout-path" property
486 in the chosen node is set to point to the correct serial node.
487 This option currently references CONFIG_CONS_INDEX, which is
488 incorrect when used with device tree as this option does not
489 exist / should not be used.
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900490
Masahiro Yamada51631252014-07-30 14:08:15 +0900491config SYS_EXTRA_OPTIONS
492 string "Extra Options (DEPRECATED)"
Masahiro Yamada51631252014-07-30 14:08:15 +0900493 help
494 The old configuration infrastructure (= mkconfig + boards.cfg)
Masahiro Yamadaed363232014-09-16 16:32:58 +0900495 provided the extra options field. If you have something like
Masahiro Yamada51631252014-07-30 14:08:15 +0900496 "HAS_BAR,BAZ=64", the optional options
497 #define CONFIG_HAS
498 #define CONFIG_BAZ 64
499 will be defined in include/config.h.
500 This option was prepared for the smooth migration from the old
501 configuration to Kconfig. Since this option will be removed sometime,
502 new boards should not use this option.
503
Masahiro Yamada7f7563c2014-10-30 15:30:58 +0900504config SYS_TEXT_BASE
Tom Rini278b90c2018-02-03 12:10:38 -0500505 depends on !NIOS2 && !XTENSA
Ben Stoltz484cce02015-08-04 12:33:41 -0600506 depends on !EFI_APP
Lokesh Vutla586bde92018-08-27 15:57:08 +0530507 default 0x80800000 if ARCH_OMAP2PLUS || ARCH_K3
Andre Przywara341c0582018-03-03 23:49:02 +0000508 default 0x4a000000 if ARCH_SUNXI && !MACH_SUN9I && !MACH_SUN8I_V3S
509 default 0x2a000000 if ARCH_SUNXI && MACH_SUN9I
510 default 0x42e00000 if ARCH_SUNXI && MACH_SUN8I_V3S
Masahiro Yamada7f7563c2014-10-30 15:30:58 +0900511 hex "Text Base"
512 help
Tom Rini278b90c2018-02-03 12:10:38 -0500513 The address in memory that U-Boot will be running from, initially.
Masahiro Yamada7f7563c2014-10-30 15:30:58 +0900514
Adam Ford7e0ed132017-07-28 08:32:52 -0500515
Andreas Dannenbergeba3fbd2016-07-27 12:12:39 -0500516
Alexey Brodkin33d88182015-01-13 18:49:01 +0300517config SYS_CLK_FREQ
Mario Sixff3bb0c2019-01-21 09:17:53 +0100518 depends on ARC || ARCH_SUNXI || MPC83xx
Alexey Brodkin33d88182015-01-13 18:49:01 +0300519 int "CPU clock frequency"
520 help
521 TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture
522
Masahiro Yamada63c09412016-11-26 11:02:10 +0900523config ARCH_FIXUP_FDT_MEMORY
524 bool "Enable arch_fixup_memory_banks() call"
Michal Simeke2f88df2016-07-28 09:06:41 +0200525 default y
526 help
527 Enable FDT memory map syncup before OS boot. This feature can be
528 used for booting OS with different memory setup where the part of
529 the memory location should be used for different purpose.
530
Masahiro Yamadae91c3c32014-08-22 19:42:27 +0900531endmenu # Boot images
Masahiro Yamada51631252014-07-30 14:08:15 +0900532
Emmanuel Vadot4db98d32017-01-31 12:17:04 +0100533source "api/Kconfig"
534
Masahiro Yamadaed363232014-09-16 16:32:58 +0900535source "common/Kconfig"
536
Simon Glass72a8cf82016-01-17 20:53:51 -0700537source "cmd/Kconfig"
538
Patrick Delaunaye274ef62017-01-27 11:00:35 +0100539source "disk/Kconfig"
540
Masahiro Yamada783e6a72014-09-22 19:59:05 +0900541source "dts/Kconfig"
542
Simon Glass0649cd02017-08-03 12:21:49 -0600543source "env/Kconfig"
544
Masahiro Yamadaed363232014-09-16 16:32:58 +0900545source "net/Kconfig"
546
547source "drivers/Kconfig"
548
549source "fs/Kconfig"
550
551source "lib/Kconfig"
Simon Glass19679822015-02-05 21:41:37 -0700552
553source "test/Kconfig"