blob: 66b059f749a7eeb2dfbd2f6413477b4298444a11 [file] [log] [blame]
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
Tom Rini524e98a2019-05-29 17:01:29 -040023config DEPRECATED
24 bool
25 help
26 This option cannot be enabled. It it used as a dependency for
27 code that relies on deprecated features that will be removed and
28 the conversion deadline has passed.
29
Masahiro Yamadae91c3c32014-08-22 19:42:27 +090030config LOCALVERSION
31 string "Local version - append to U-Boot release"
Masahiro Yamadae91c3c32014-08-22 19:42:27 +090032 help
33 Append an extra string to the end of your U-Boot version.
Robert P. J. Day59d7c342016-04-16 05:53:07 -040034 This will show up in your boot log, for example.
Masahiro Yamadae91c3c32014-08-22 19:42:27 +090035 The string you set here will be appended after the contents of
36 any files with a filename matching localversion* in your
37 object and source tree, in that order. Your total string can
38 be a maximum of 64 characters.
39
40config LOCALVERSION_AUTO
41 bool "Automatically append version information to the version string"
Masahiro Yamadae91c3c32014-08-22 19:42:27 +090042 default y
43 help
44 This will try to automatically determine if the current tree is a
Robert P. J. Day59d7c342016-04-16 05:53:07 -040045 release tree by looking for Git tags that belong to the current
Masahiro Yamadae91c3c32014-08-22 19:42:27 +090046 top of tree revision.
47
48 A string of the format -gxxxxxxxx will be added to the localversion
Robert P. J. Day59d7c342016-04-16 05:53:07 -040049 if a Git-based tree is found. The string generated by this will be
Masahiro Yamadae91c3c32014-08-22 19:42:27 +090050 appended after any matching localversion* files, and after the value
51 set in CONFIG_LOCALVERSION.
52
53 (The actual string used here is the first eight characters produced
54 by running the command:
55
56 $ git rev-parse --verify HEAD
57
58 which is done within the script "scripts/setlocalversion".)
59
Masahiro Yamada4a8ed8e2014-08-22 19:42:29 +090060config CC_OPTIMIZE_FOR_SIZE
61 bool "Optimize for size"
Masahiro Yamada4a8ed8e2014-08-22 19:42:29 +090062 default y
63 help
64 Enabling this option will pass "-Os" instead of "-O2" to gcc
65 resulting in a smaller U-Boot image.
66
67 This option is enabled by default for U-Boot.
68
Christian Gmeiner52ff8022018-04-09 17:11:45 +020069config CC_COVERAGE
70 bool "Enable code coverage analysis"
71 depends on SANDBOX
72 help
73 Enabling this option will pass "--coverage" to gcc to compile
74 and link code instrumented for coverage analysis.
75
Hans de Goede9f823612016-06-20 23:16:28 +020076config DISTRO_DEFAULTS
77 bool "Select defaults suitable for booting general purpose Linux distributions"
Michal Simek58008cb2018-07-23 15:55:15 +020078 select AUTO_COMPLETE
79 select CMDLINE_EDITING
Masahiro Yamada26959272016-08-12 08:31:16 -040080 select CMD_BOOTI if ARM64
Michal Simek58008cb2018-07-23 15:55:15 +020081 select CMD_BOOTZ if ARM && !ARM64
Joe Hershbergerba628852018-04-13 15:26:31 -050082 select CMD_DHCP if CMD_NET
Masahiro Yamadac4f66832018-04-25 19:16:48 +090083 select CMD_ENV_EXISTS
Hans de Goede9f823612016-06-20 23:16:28 +020084 select CMD_EXT2
85 select CMD_EXT4
86 select CMD_FAT
87 select CMD_FS_GENERIC
Tom Rinifa2c1462018-02-10 16:54:38 -050088 select CMD_PART if PARTITIONS
Michal Simek58008cb2018-07-23 15:55:15 +020089 select CMD_PING if CMD_NET
90 select CMD_PXE if NET
Adam Fordd021e942018-02-06 07:58:59 -060091 select ENV_VARS_UBOOT_CONFIG
Michal Simek58008cb2018-07-23 15:55:15 +020092 select HUSH_PARSER
93 select SUPPORT_RAW_INITRD
94 select SYS_LONGHELP
95 imply CMD_MII if NET
Alexander Graf4aa74922018-10-18 09:33:03 +020096 imply USB_STORAGE
Michal Simek58008cb2018-07-23 15:55:15 +020097 imply USE_BOOTCOMMAND
Hans de Goede9f823612016-06-20 23:16:28 +020098 help
99 Select this to enable various options and commands which are suitable
100 for building u-boot for booting general purpose Linux distributions.
101
Adam Fordd021e942018-02-06 07:58:59 -0600102config ENV_VARS_UBOOT_CONFIG
103 bool "Add arch, board, vendor and soc variables to default environment"
104 help
105 Define this in order to add variables describing the
106 U-Boot build configuration to the default environment.
107 These will be named arch, cpu, board, vendor, and soc.
108 Enabling this option will cause the following to be defined:
109 - CONFIG_SYS_ARCH
110 - CONFIG_SYS_CPU
111 - CONFIG_SYS_BOARD
112 - CONFIG_SYS_VENDOR
113 - CONFIG_SYS_SOC
114
Ramon Fried999a7722018-08-14 01:00:04 +0300115config NR_DRAM_BANKS
116 int "Number of DRAM banks"
117 default 4
118 help
119 This defines the number of DRAM banks.
120
Derald D. Woods405fc832018-01-22 17:17:10 -0600121config SYS_BOOT_GET_CMDLINE
122 bool "Enable kernel command line setup"
123 help
124 Enables allocating and saving kernel cmdline in space between
125 "bootm_low" and "bootm_low" + BOOTMAPSZ.
126
127config SYS_BOOT_GET_KBD
128 bool "Enable kernel board information setup"
129 help
130 Enables allocating and saving a kernel copy of the bd_info in
131 space between "bootm_low" and "bootm_low" + BOOTMAPSZ.
132
Simon Glassb724bd72015-02-11 16:32:59 -0700133config SYS_MALLOC_F
134 bool "Enable malloc() pool before relocation"
Masahiro Yamada326a6822015-03-19 19:42:55 +0900135 default y if DM
Simon Glass15a5c722018-12-03 04:37:17 -0700136
Simon Glassb724bd72015-02-11 16:32:59 -0700137 help
Robert P. J. Day59d7c342016-04-16 05:53:07 -0400138 Before relocation, memory is very limited on many platforms. Still,
Simon Glassb724bd72015-02-11 16:32:59 -0700139 we can provide a small malloc() pool if needed. Driver model in
140 particular needs this to operate, so that it can allocate the
141 initial serial device and any others that are needed.
142
143config SYS_MALLOC_F_LEN
144 hex "Size of malloc() pool before relocation"
145 depends on SYS_MALLOC_F
Sjoerd Simons90e407a2018-04-12 18:09:58 +0200146 default 0x1000 if AM33XX
Simon Glass15a5c722018-12-03 04:37:17 -0700147 default 0x2800 if SANDBOX
Fabio Estevam08919d32019-05-03 14:05:04 -0300148 default 0x2000 if (ARCH_IMX8 || ARCH_IMX8M || ARCH_MX7 || \
149 ARCH_MX7ULP || ARCH_MX6 || ARCH_MX5)
Simon Glassb724bd72015-02-11 16:32:59 -0700150 default 0x400
151 help
Robert P. J. Day59d7c342016-04-16 05:53:07 -0400152 Before relocation, memory is very limited on many platforms. Still,
Simon Glassb724bd72015-02-11 16:32:59 -0700153 we can provide a small malloc() pool if needed. Driver model in
154 particular needs this to operate, so that it can allocate the
155 initial serial device and any others that are needed.
156
Siva Durga Prasad Paladugu01aa5b82018-07-20 15:11:38 +0530157config SYS_MALLOC_LEN
158 hex "Define memory for Dynamic allocation"
Kever Yang4d2c5722019-08-19 15:01:24 +0800159 depends on ARCH_ZYNQ || ARCH_VERSAL || ARCH_STM32MP || ARCH_ROCKCHIP
160 default 0x2000000 if ARCH_ROCKCHIP
Siva Durga Prasad Paladugu01aa5b82018-07-20 15:11:38 +0530161 help
162 This defines memory to be allocated for Dynamic allocation
163 TODO: Use for other architectures
164
Andy Yanf1896c42017-07-24 17:43:34 +0800165config SPL_SYS_MALLOC_F_LEN
Michal Simek14aa2102018-07-24 14:47:43 +0200166 hex "Size of malloc() pool in SPL before relocation"
Adam Ford05705562019-08-13 14:32:30 -0500167 depends on SYS_MALLOC_F && SPL
Marek Vasut56023302018-10-03 12:44:13 +0200168 default 0x2800 if RCAR_GEN3
Michal Simek14aa2102018-07-24 14:47:43 +0200169 default SYS_MALLOC_F_LEN
170 help
171 Before relocation, memory is very limited on many platforms. Still,
172 we can provide a small malloc() pool if needed. Driver model in
173 particular needs this to operate, so that it can allocate the
174 initial serial device and any others that are needed.
Philipp Tomsichae2cee22017-07-28 11:06:03 +0200175
176config TPL_SYS_MALLOC_F_LEN
Michal Simek14aa2102018-07-24 14:47:43 +0200177 hex "Size of malloc() pool in TPL before relocation"
Adam Ford05705562019-08-13 14:32:30 -0500178 depends on SYS_MALLOC_F && TPL
Michal Simek14aa2102018-07-24 14:47:43 +0200179 default SYS_MALLOC_F_LEN
180 help
181 Before relocation, memory is very limited on many platforms. Still,
182 we can provide a small malloc() pool if needed. Driver model in
183 particular needs this to operate, so that it can allocate the
184 initial serial device and any others that are needed.
Andy Yanf1896c42017-07-24 17:43:34 +0800185
Tom Rini1bf09792014-11-14 09:34:29 +0100186menuconfig EXPERT
Przemyslaw Marczak0aa8a4a2015-03-04 14:01:24 +0100187 bool "Configure standard U-Boot features (expert users)"
188 default y
189 help
190 This option allows certain base U-Boot options and settings
191 to be disabled or tweaked. This is for specialized
192 environments which can tolerate a "non-standard" U-Boot.
Robert P. J. Day59d7c342016-04-16 05:53:07 -0400193 Use this only if you really know what you are doing.
Tom Rini1bf09792014-11-14 09:34:29 +0100194
Przemyslaw Marczak0aa8a4a2015-03-04 14:01:24 +0100195if EXPERT
196 config SYS_MALLOC_CLEAR_ON_INIT
197 bool "Init with zeros the memory reserved for malloc (slow)"
198 default y
199 help
200 This setting is enabled by default. The reserved malloc
201 memory is initialized with zeros, so first malloc calls
202 will return the pointer to the zeroed memory. But this
203 slows the boot time.
204
205 It is recommended to disable it, when CONFIG_SYS_MALLOC_LEN
206 value, has more than few MiB, e.g. when uses bzip2 or bmp logo.
207 Then the boot time can be significantly reduced.
208 Warning:
209 When disabling this, please check if malloc calls, maybe
Robert P. J. Day59d7c342016-04-16 05:53:07 -0400210 should be replaced by calloc - if one expects zeroed memory.
Simon Glass022885c2016-06-30 10:52:20 -0600211
212config TOOLS_DEBUG
213 bool "Enable debug information for tools"
214 help
215 Enable generation of debug information for tools such as mkimage.
216 This can be used for debugging purposes. With debug information
217 it is possible to set breakpoints on particular lines, single-step
218 debug through the source code, etc.
219
Robert P. J. Day266aa862017-01-02 16:32:13 -0500220endif # EXPERT
Masahiro Yamadabb6b1422016-07-25 19:56:03 +0900221
222config PHYS_64BIT
223 bool "64bit physical address support"
224 help
225 Say Y here to support 64bit physical memory address.
226 This can be used not only for 64bit SoCs, but also for
Chris Packham3aeb7712019-01-13 22:13:19 +1300227 large physical address extension on 32bit SoCs.
Masahiro Yamadabb6b1422016-07-25 19:56:03 +0900228
Heinrich Schuchardt871aa412017-10-16 18:08:38 +0000229config BUILD_ROM
230 bool "Build U-Boot as BIOS replacement"
231 depends on X86
232 help
233 This option allows to build a ROM version of U-Boot.
234 The build process generally requires several binary blobs
235 which are not shipped in the U-Boot source tree.
236 Please, see doc/README.x86 for details.
237
Stefan Roese9ea6f712019-04-03 15:24:50 +0200238config SPL_IMAGE
239 string "SPL image used in the combined SPL+U-Boot image"
240 default "spl/boot.bin" if ARCH_AT91 && SPL_NAND_SUPPORT
241 default "spl/u-boot-spl.bin"
Adam Ford05705562019-08-13 14:32:30 -0500242 depends on SPL
Stefan Roese9ea6f712019-04-03 15:24:50 +0200243 help
244 Select the SPL build target that shall be generated by the SPL
245 build process (default spl/u-boot-spl.bin). This image will be
246 used to generate a combined image with SPL and main U-Boot
247 proper as one single image.
248
Jagan Tekidc146ca2019-01-18 12:52:49 +0530249config BUILD_TARGET
250 string "Build target special images"
Dalon Westergreene3ada912019-03-20 13:15:21 -0700251 default "u-boot-with-spl.sfp" if TARGET_SOCFPGA_ARRIA10
252 default "u-boot-with-spl.sfp" if TARGET_SOCFPGA_GEN5
Baruch Siach0ef69202019-02-07 13:21:16 +0200253 default "u-boot-spl.kwb" if ARCH_MVEBU && SPL
Jagan Tekidc146ca2019-01-18 12:52:49 +0530254 default "u-boot-elf.srec" if RCAR_GEN3
Lukas Auer109f82b2019-08-21 21:14:48 +0200255 default "u-boot.itb" if SPL_LOAD_FIT && (ROCKCHIP_RK3399 || \
256 ARCH_SUNXI || RISCV)
Chris Packhamd5512a32019-01-18 20:46:43 +1300257 default "u-boot.kwb" if KIRKWOOD
Stefan Roese9ea6f712019-04-03 15:24:50 +0200258 default "u-boot-with-spl.bin" if ARCH_AT91 && SPL_NAND_SUPPORT
Stefan Roese4f761dd2019-09-20 18:09:10 +0200259 default "u-boot-with-spl.imx" if ARCH_MX6 && SPL
Jagan Tekidc146ca2019-01-18 12:52:49 +0530260 help
261 Some SoCs need special image types (e.g. U-Boot binary
262 with a special header) as build targets. By defining
263 CONFIG_BUILD_TARGET in the SoC / board header, this
264 special image will be automatically built upon calling
265 make / buildman.
266
Tom Rinid760a5e2019-06-02 08:57:32 -0400267config SYS_CUSTOM_LDSCRIPT
268 bool "Use a custom location for the U-Boot linker script"
269 help
270 Normally when linking U-Boot we will look in the board directory,
271 the CPU directory and finally the "cpu" directory of the architecture
272 for the ile "u-boot.lds" and use that as our linker. However, in
273 some cases we need to provide a different linker script. To do so,
274 enable this option and then provide the location under
275 CONFIG_SYS_LDSCRIPT.
276
277config SYS_LDSCRIPT
278 depends on SYS_CUSTOM_LDSCRIPT
279 string "Custom ldscript location"
280 help
281 Path within the source tree to the linker script to use for the
282 main U-Boot binary.
283
Masahiro Yamada40ad4c42014-11-26 18:42:31 +0900284endmenu # General setup
285
Masahiro Yamadae91c3c32014-08-22 19:42:27 +0900286menu "Boot images"
287
Tom Rini48f62322017-08-25 17:50:27 -0400288config ANDROID_BOOT_IMAGE
289 bool "Enable support for Android Boot Images"
290 default y if FASTBOOT
291 help
292 This enables support for booting images which use the Android
293 image format header.
294
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900295config FIT
296 bool "Support Flattened Image Tree"
Andre Przywaraaeb9c532017-03-15 01:19:06 +0000297 select MD5
Tom Rini089df182017-05-15 12:17:49 -0400298 select SHA1
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900299 help
Robert P. J. Day266aa862017-01-02 16:32:13 -0500300 This option allows you to boot the new uImage structure,
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900301 Flattened Image Tree. FIT is formally a FDT, which can include
302 images of various types (kernel, FDT blob, ramdisk, etc.)
303 in a single blob. To boot this new uImage structure,
Igor Grinberg1f9ac4a2015-08-26 17:54:45 +0300304 pass the address of the blob to the "bootm" command.
Simon Glass73223f02016-02-22 22:55:43 -0700305 FIT is very flexible, supporting compression, multiple images,
306 multiple configurations, verification through hashing and also
Robert P. J. Day266aa862017-01-02 16:32:13 -0500307 verified boot (secure boot using RSA).
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900308
Robert P. J. Day266aa862017-01-02 16:32:13 -0500309if FIT
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900310
Peng Fan3814fcb2018-11-20 10:19:11 +0000311config FIT_EXTERNAL_OFFSET
Ibai Erkiagaf07ce592019-05-15 22:10:04 +0100312 hex "FIT external data offset"
Peng Fan3814fcb2018-11-20 10:19:11 +0000313 default 0x0
314 help
315 This specifies a data offset in fit image.
316 The offset is from data payload offset to the beginning of
317 fit image header. When specifies a offset, specific data
318 could be put in the hole between data payload and fit image
319 header, such as CSF data on i.MX platform.
320
Tom Rini0db7f682017-05-15 12:17:48 -0400321config FIT_ENABLE_SHA256_SUPPORT
322 bool "Support SHA256 checksum of FIT image contents"
323 default y
Michal Simek58008cb2018-07-23 15:55:15 +0200324 select SHA256
Tom Rini0db7f682017-05-15 12:17:48 -0400325 help
326 Enable this to support SHA256 checksum of FIT image contents. A
327 SHA256 checksum is a 256-bit (32-byte) hash value used to check that
328 the image contents have not been corrupted. SHA256 is recommended
329 for use in secure applications since (as at 2016) there is no known
330 feasible attack that could produce a 'collision' with differing
331 input data. Use this for the highest security. Note that only the
332 SHA256 variant is supported: SHA512 and others are not currently
333 supported in U-Boot.
334
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900335config FIT_SIGNATURE
Ruchika Guptac4beb222015-01-23 16:01:51 +0530336 bool "Enable signature verification of FIT uImages"
Chris Kuethe90097982015-02-04 19:16:14 -0800337 depends on DM
Kelvin Cheung535adee2018-05-02 18:07:18 +0800338 select HASH
Michal Simek58008cb2018-07-23 15:55:15 +0200339 select RSA
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900340 help
341 This option enables signature verification of FIT uImages,
gaurav rana94e3c8c2015-02-20 12:51:46 +0530342 using a hash signed and verified using RSA. If
343 CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive
Robert P. J. Day266aa862017-01-02 16:32:13 -0500344 hashing is available using hardware, then the RSA library will use
Simon Glass73223f02016-02-22 22:55:43 -0700345 it. See doc/uImage.FIT/signature.txt for more details.
346
347 WARNING: When relying on signed FIT images with a required signature
348 check the legacy image format is disabled by default, so that
349 unsigned images cannot be loaded. If a board needs the legacy image
350 format support in this case, enable it using
Tom Rinic76c93a2019-05-23 07:14:07 -0400351 CONFIG_LEGACY_IMAGE_FORMAT.
Simon Glass73223f02016-02-22 22:55:43 -0700352
Teddy Reed72239fc2018-06-09 11:38:05 -0400353config FIT_SIGNATURE_MAX_SIZE
354 hex "Max size of signed FIT structures"
355 depends on FIT_SIGNATURE
356 default 0x10000000
357 help
358 This option sets a max size in bytes for verified FIT uImages.
359 A sane value of 256MB protects corrupted DTB structures from overlapping
360 device memory. Assure this size does not extend past expected storage
361 space.
362
Philippe Reynes061daa02018-11-14 13:51:01 +0100363config FIT_ENABLE_RSASSA_PSS_SUPPORT
364 bool "Support rsassa-pss signature scheme of FIT image contents"
365 depends on FIT_SIGNATURE
366 default n
367 help
368 Enable this to support the pss padding algorithm as described
369 in the rfc8017 (https://tools.ietf.org/html/rfc8017).
370
Robert P. J. Day266aa862017-01-02 16:32:13 -0500371config FIT_VERBOSE
372 bool "Show verbose messages when FIT images fail"
373 help
374 Generally a system will have valid FIT images so debug messages
375 are a waste of code space. If you are debugging your images then
376 you can enable this option to get more verbose information about
377 failures.
Teddy Reed51c14cd2016-06-09 19:18:44 -0700378
Simon Glass73223f02016-02-22 22:55:43 -0700379config FIT_BEST_MATCH
380 bool "Select the best match for the kernel device tree"
Simon Glass73223f02016-02-22 22:55:43 -0700381 help
382 When no configuration is explicitly selected, default to the
383 one whose fdt's compatibility field best matches that of
384 U-Boot itself. A match is considered "best" if it matches the
385 most specific compatibility entry of U-Boot's fdt's root node.
386 The order of entries in the configuration's fdt is ignored.
387
Robert P. J. Day266aa862017-01-02 16:32:13 -0500388config FIT_IMAGE_POST_PROCESS
389 bool "Enable post-processing of FIT artifacts after loading by U-Boot"
390 depends on TI_SECURE_DEVICE
Simon Glass73223f02016-02-22 22:55:43 -0700391 help
Robert P. J. Day266aa862017-01-02 16:32:13 -0500392 Allows doing any sort of manipulation to blobs after they got extracted
393 from FIT images like stripping off headers or modifying the size of the
394 blob, verification, authentication, decryption etc. in a platform or
395 board specific way. In order to use this feature a platform or board-
396 specific implementation of board_fit_image_post_process() must be
397 provided. Also, anything done during this post-processing step would
398 need to be comprehended in how the images were prepared before being
399 injected into the FIT creation (i.e. the blobs would have been pre-
400 processed before being added to the FIT image).
401
Tom Rini71139112017-05-22 14:15:16 -0400402if SPL
403
Robert P. J. Day266aa862017-01-02 16:32:13 -0500404config SPL_FIT
405 bool "Support Flattened Image Tree within SPL"
406 depends on SPL
Andre Przywara85c07a52017-04-26 01:32:38 +0100407 select SPL_OF_LIBFDT
Robert P. J. Day266aa862017-01-02 16:32:13 -0500408
Marek Vasutb527b9c2018-05-13 00:22:52 +0200409config SPL_FIT_PRINT
410 bool "Support FIT printing within SPL"
411 depends on SPL_FIT
412 help
413 Support printing the content of the fitImage in a verbose manner in SPL.
414
Robert P. J. Day266aa862017-01-02 16:32:13 -0500415config SPL_FIT_SIGNATURE
416 bool "Enable signature verification of FIT firmware within SPL"
Robert P. J. Day266aa862017-01-02 16:32:13 -0500417 depends on SPL_DM
Andre Przywara85c07a52017-04-26 01:32:38 +0100418 select SPL_FIT
Robert P. J. Day266aa862017-01-02 16:32:13 -0500419 select SPL_RSA
420
421config SPL_LOAD_FIT
Marek Vasut2a221fb2019-05-25 22:53:42 +0200422 bool "Enable SPL loading U-Boot as a FIT (basic fitImage features)"
Andre Przywara85c07a52017-04-26 01:32:38 +0100423 select SPL_FIT
Robert P. J. Day266aa862017-01-02 16:32:13 -0500424 help
425 Normally with the SPL framework a legacy image is generated as part
426 of the build. This contains U-Boot along with information as to
427 where it should be loaded. This option instead enables generation
428 of a FIT (Flat Image Tree) which provides more flexibility. In
429 particular it can handle selecting from multiple device tree
430 and passing the correct one to U-Boot.
431
Marek Vasut8a9dc162018-05-13 00:23:17 +0200432config SPL_LOAD_FIT_FULL
Marek Vasut2a221fb2019-05-25 22:53:42 +0200433 bool "Enable SPL loading U-Boot as a FIT (full fitImage features)"
Marek Vasut8a9dc162018-05-13 00:23:17 +0200434 select SPL_FIT
435 help
436 Normally with the SPL framework a legacy image is generated as part
437 of the build. This contains U-Boot along with information as to
438 where it should be loaded. This option instead enables generation
439 of a FIT (Flat Image Tree) which provides more flexibility. In
440 particular it can handle selecting from multiple device tree
441 and passing the correct one to U-Boot.
442
Robert P. J. Day266aa862017-01-02 16:32:13 -0500443config SPL_FIT_IMAGE_POST_PROCESS
444 bool "Enable post-processing of FIT artifacts after loading by the SPL"
ext-vasily.gurevich@vaisala.comc12d8b72017-10-02 13:42:55 +0000445 depends on SPL_LOAD_FIT
Robert P. J. Day266aa862017-01-02 16:32:13 -0500446 help
447 Allows doing any sort of manipulation to blobs after they got extracted
448 from the U-Boot FIT image like stripping off headers or modifying the
449 size of the blob, verification, authentication, decryption etc. in a
450 platform or board specific way. In order to use this feature a platform
451 or board-specific implementation of board_fit_image_post_process() must
452 be provided. Also, anything done during this post-processing step would
453 need to be comprehended in how the images were prepared before being
454 injected into the FIT creation (i.e. the blobs would have been pre-
455 processed before being added to the FIT image).
456
Andre Przywara1a12fdc2017-04-26 01:32:45 +0100457config SPL_FIT_SOURCE
458 string ".its source file for U-Boot FIT image"
459 depends on SPL_FIT
460 help
461 Specifies a (platform specific) FIT source file to generate the
462 U-Boot FIT image. This could specify further image to load and/or
463 execute.
464
465config SPL_FIT_GENERATOR
466 string ".its file generator script for U-Boot FIT image"
467 depends on SPL_FIT
Andre Przywarad29adf82017-04-26 01:32:48 +0100468 default "board/sunxi/mksunxi_fit_atf.sh" if SPL_LOAD_FIT && ARCH_SUNXI
Jagan Teki695dca92019-05-08 11:11:42 +0530469 default "arch/arm/mach-rockchip/make_fit_atf.py" if SPL_LOAD_FIT && ARCH_ROCKCHIP
Lukas Auer109f82b2019-08-21 21:14:48 +0200470 default "arch/riscv/lib/mkimage_fit_opensbi.sh" if SPL_LOAD_FIT && RISCV
Andre Przywara1a12fdc2017-04-26 01:32:45 +0100471 help
472 Specifies a (platform specific) script file to generate the FIT
473 source file used to build the U-Boot FIT image file. This gets
474 passed a list of supported device tree file stub names to
475 include in the generated image.
476
Tom Rini71139112017-05-22 14:15:16 -0400477endif # SPL
478
Robert P. J. Day266aa862017-01-02 16:32:13 -0500479endif # FIT
Simon Glass73223f02016-02-22 22:55:43 -0700480
Tom Rinic76c93a2019-05-23 07:14:07 -0400481config LEGACY_IMAGE_FORMAT
Alex Kiernan002c3232018-04-20 21:25:38 +0000482 bool "Enable support for the legacy image format"
483 default y if !FIT_SIGNATURE
484 help
485 This option enables the legacy image format. It is enabled by
486 default for backward compatibility, unless FIT_SIGNATURE is
487 set where it is disabled so that unsigned images cannot be
488 loaded. If a board needs the legacy image format support in this
489 case, enable it here.
490
Simon Glass73223f02016-02-22 22:55:43 -0700491config OF_BOARD_SETUP
492 bool "Set up board-specific details in device tree before boot"
493 depends on OF_LIBFDT
494 help
495 This causes U-Boot to call ft_board_setup() before booting into
496 the Operating System. This function can set up various
497 board-specific information in the device tree for use by the OS.
498 The device tree is then passed to the OS.
499
500config OF_SYSTEM_SETUP
501 bool "Set up system-specific details in device tree before boot"
502 depends on OF_LIBFDT
503 help
504 This causes U-Boot to call ft_system_setup() before booting into
505 the Operating System. This function can set up various
506 system-specific information in the device tree for use by the OS.
507 The device tree is then passed to the OS.
508
509config OF_STDOUT_VIA_ALIAS
510 bool "Update the device-tree stdout alias from U-Boot"
511 depends on OF_LIBFDT
512 help
513 This uses U-Boot's serial alias from the aliases node to update
514 the device tree passed to the OS. The "linux,stdout-path" property
515 in the chosen node is set to point to the correct serial node.
516 This option currently references CONFIG_CONS_INDEX, which is
517 incorrect when used with device tree as this option does not
518 exist / should not be used.
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900519
Masahiro Yamada51631252014-07-30 14:08:15 +0900520config SYS_EXTRA_OPTIONS
521 string "Extra Options (DEPRECATED)"
Masahiro Yamada51631252014-07-30 14:08:15 +0900522 help
523 The old configuration infrastructure (= mkconfig + boards.cfg)
Masahiro Yamadaed363232014-09-16 16:32:58 +0900524 provided the extra options field. If you have something like
Masahiro Yamada51631252014-07-30 14:08:15 +0900525 "HAS_BAR,BAZ=64", the optional options
526 #define CONFIG_HAS
527 #define CONFIG_BAZ 64
528 will be defined in include/config.h.
529 This option was prepared for the smooth migration from the old
530 configuration to Kconfig. Since this option will be removed sometime,
531 new boards should not use this option.
532
Masahiro Yamada7f7563c2014-10-30 15:30:58 +0900533config SYS_TEXT_BASE
Tom Rini278b90c2018-02-03 12:10:38 -0500534 depends on !NIOS2 && !XTENSA
Ben Stoltz484cce02015-08-04 12:33:41 -0600535 depends on !EFI_APP
Lokesh Vutla586bde92018-08-27 15:57:08 +0530536 default 0x80800000 if ARCH_OMAP2PLUS || ARCH_K3
Andre Przywara341c0582018-03-03 23:49:02 +0000537 default 0x4a000000 if ARCH_SUNXI && !MACH_SUN9I && !MACH_SUN8I_V3S
538 default 0x2a000000 if ARCH_SUNXI && MACH_SUN9I
539 default 0x42e00000 if ARCH_SUNXI && MACH_SUN8I_V3S
Masahiro Yamada7f7563c2014-10-30 15:30:58 +0900540 hex "Text Base"
541 help
Tom Rini278b90c2018-02-03 12:10:38 -0500542 The address in memory that U-Boot will be running from, initially.
Masahiro Yamada7f7563c2014-10-30 15:30:58 +0900543
Adam Ford7e0ed132017-07-28 08:32:52 -0500544
Andreas Dannenbergeba3fbd2016-07-27 12:12:39 -0500545
Alexey Brodkin33d88182015-01-13 18:49:01 +0300546config SYS_CLK_FREQ
Mario Sixff3bb0c2019-01-21 09:17:53 +0100547 depends on ARC || ARCH_SUNXI || MPC83xx
Alexey Brodkin33d88182015-01-13 18:49:01 +0300548 int "CPU clock frequency"
549 help
550 TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture
551
Masahiro Yamada63c09412016-11-26 11:02:10 +0900552config ARCH_FIXUP_FDT_MEMORY
553 bool "Enable arch_fixup_memory_banks() call"
Michal Simeke2f88df2016-07-28 09:06:41 +0200554 default y
555 help
556 Enable FDT memory map syncup before OS boot. This feature can be
557 used for booting OS with different memory setup where the part of
558 the memory location should be used for different purpose.
559
Masahiro Yamadae91c3c32014-08-22 19:42:27 +0900560endmenu # Boot images
Masahiro Yamada51631252014-07-30 14:08:15 +0900561
Emmanuel Vadot4db98d32017-01-31 12:17:04 +0100562source "api/Kconfig"
563
Masahiro Yamadaed363232014-09-16 16:32:58 +0900564source "common/Kconfig"
565
Simon Glass72a8cf82016-01-17 20:53:51 -0700566source "cmd/Kconfig"
567
Patrick Delaunaye274ef62017-01-27 11:00:35 +0100568source "disk/Kconfig"
569
Masahiro Yamada783e6a72014-09-22 19:59:05 +0900570source "dts/Kconfig"
571
Simon Glass0649cd02017-08-03 12:21:49 -0600572source "env/Kconfig"
573
Masahiro Yamadaed363232014-09-16 16:32:58 +0900574source "net/Kconfig"
575
576source "drivers/Kconfig"
577
578source "fs/Kconfig"
579
580source "lib/Kconfig"
Simon Glass19679822015-02-05 21:41:37 -0700581
582source "test/Kconfig"