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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#
Tom Rini5972ff02020-03-11 18:11:17 -04006mainmenu "U-Boot $(UBOOTVERSION) Configuration"
Masahiro Yamada51631252014-07-30 14:08:15 +09007
Simon Glass66afaef2015-02-24 22:26:19 +09008# Allow defaults in arch-specific code to override any given here
9source "arch/Kconfig"
10
Masahiro Yamada51631252014-07-30 14:08:15 +090011menu "General setup"
12
Heinrich Schuchardt4c7a2112017-10-19 23:49:19 +020013config BROKEN
14 bool
15 help
16 This option cannot be enabled. It is used as dependency
17 for broken and incomplete features.
18
Tom Rini524e98a2019-05-29 17:01:29 -040019config DEPRECATED
20 bool
21 help
22 This option cannot be enabled. It it used as a dependency for
23 code that relies on deprecated features that will be removed and
24 the conversion deadline has passed.
25
Masahiro Yamadae91c3c32014-08-22 19:42:27 +090026config LOCALVERSION
27 string "Local version - append to U-Boot release"
Masahiro Yamadae91c3c32014-08-22 19:42:27 +090028 help
29 Append an extra string to the end of your U-Boot version.
Robert P. J. Day59d7c342016-04-16 05:53:07 -040030 This will show up in your boot log, for example.
Masahiro Yamadae91c3c32014-08-22 19:42:27 +090031 The string you set here will be appended after the contents of
32 any files with a filename matching localversion* in your
33 object and source tree, in that order. Your total string can
34 be a maximum of 64 characters.
35
36config LOCALVERSION_AUTO
37 bool "Automatically append version information to the version string"
Masahiro Yamadae91c3c32014-08-22 19:42:27 +090038 default y
39 help
40 This will try to automatically determine if the current tree is a
Robert P. J. Day59d7c342016-04-16 05:53:07 -040041 release tree by looking for Git tags that belong to the current
Masahiro Yamadae91c3c32014-08-22 19:42:27 +090042 top of tree revision.
43
44 A string of the format -gxxxxxxxx will be added to the localversion
Robert P. J. Day59d7c342016-04-16 05:53:07 -040045 if a Git-based tree is found. The string generated by this will be
Masahiro Yamadae91c3c32014-08-22 19:42:27 +090046 appended after any matching localversion* files, and after the value
47 set in CONFIG_LOCALVERSION.
48
49 (The actual string used here is the first eight characters produced
50 by running the command:
51
52 $ git rev-parse --verify HEAD
53
54 which is done within the script "scripts/setlocalversion".)
55
Masahiro Yamada4a8ed8e2014-08-22 19:42:29 +090056config CC_OPTIMIZE_FOR_SIZE
57 bool "Optimize for size"
Masahiro Yamada4a8ed8e2014-08-22 19:42:29 +090058 default y
59 help
60 Enabling this option will pass "-Os" instead of "-O2" to gcc
61 resulting in a smaller U-Boot image.
62
63 This option is enabled by default for U-Boot.
64
Christian Gmeiner52ff8022018-04-09 17:11:45 +020065config CC_COVERAGE
66 bool "Enable code coverage analysis"
67 depends on SANDBOX
68 help
69 Enabling this option will pass "--coverage" to gcc to compile
70 and link code instrumented for coverage analysis.
71
Hans de Goede9f823612016-06-20 23:16:28 +020072config DISTRO_DEFAULTS
73 bool "Select defaults suitable for booting general purpose Linux distributions"
Michal Simek58008cb2018-07-23 15:55:15 +020074 select AUTO_COMPLETE
75 select CMDLINE_EDITING
Masahiro Yamada26959272016-08-12 08:31:16 -040076 select CMD_BOOTI if ARM64
Michal Simek58008cb2018-07-23 15:55:15 +020077 select CMD_BOOTZ if ARM && !ARM64
Joe Hershbergerba628852018-04-13 15:26:31 -050078 select CMD_DHCP if CMD_NET
Masahiro Yamadac4f66832018-04-25 19:16:48 +090079 select CMD_ENV_EXISTS
Hans de Goede9f823612016-06-20 23:16:28 +020080 select CMD_EXT2
81 select CMD_EXT4
82 select CMD_FAT
83 select CMD_FS_GENERIC
Tom Rinifa2c1462018-02-10 16:54:38 -050084 select CMD_PART if PARTITIONS
Michal Simek58008cb2018-07-23 15:55:15 +020085 select CMD_PING if CMD_NET
86 select CMD_PXE if NET
Patrice Chotard993c9122019-11-25 09:07:38 +010087 select CMD_SYSBOOT
Adam Fordd021e942018-02-06 07:58:59 -060088 select ENV_VARS_UBOOT_CONFIG
Michal Simek58008cb2018-07-23 15:55:15 +020089 select HUSH_PARSER
90 select SUPPORT_RAW_INITRD
91 select SYS_LONGHELP
92 imply CMD_MII if NET
Alexander Graf4aa74922018-10-18 09:33:03 +020093 imply USB_STORAGE
Michal Simek58008cb2018-07-23 15:55:15 +020094 imply USE_BOOTCOMMAND
Hans de Goede9f823612016-06-20 23:16:28 +020095 help
96 Select this to enable various options and commands which are suitable
97 for building u-boot for booting general purpose Linux distributions.
98
Adam Fordd021e942018-02-06 07:58:59 -060099config ENV_VARS_UBOOT_CONFIG
100 bool "Add arch, board, vendor and soc variables to default environment"
101 help
102 Define this in order to add variables describing the
103 U-Boot build configuration to the default environment.
104 These will be named arch, cpu, board, vendor, and soc.
105 Enabling this option will cause the following to be defined:
106 - CONFIG_SYS_ARCH
107 - CONFIG_SYS_CPU
108 - CONFIG_SYS_BOARD
109 - CONFIG_SYS_VENDOR
110 - CONFIG_SYS_SOC
111
Ramon Fried999a7722018-08-14 01:00:04 +0300112config NR_DRAM_BANKS
113 int "Number of DRAM banks"
Amit Singh Tomard5c819b2020-04-19 19:28:34 +0530114 default 1 if ARCH_SUNXI || ARCH_OWL
Ramon Fried999a7722018-08-14 01:00:04 +0300115 default 4
116 help
117 This defines the number of DRAM banks.
118
Derald D. Woods405fc832018-01-22 17:17:10 -0600119config SYS_BOOT_GET_CMDLINE
120 bool "Enable kernel command line setup"
121 help
122 Enables allocating and saving kernel cmdline in space between
123 "bootm_low" and "bootm_low" + BOOTMAPSZ.
124
125config SYS_BOOT_GET_KBD
126 bool "Enable kernel board information setup"
127 help
128 Enables allocating and saving a kernel copy of the bd_info in
129 space between "bootm_low" and "bootm_low" + BOOTMAPSZ.
130
Simon Glassb724bd72015-02-11 16:32:59 -0700131config SYS_MALLOC_F
132 bool "Enable malloc() pool before relocation"
Masahiro Yamada326a6822015-03-19 19:42:55 +0900133 default y if DM
Simon Glass15a5c722018-12-03 04:37:17 -0700134
Simon Glassb724bd72015-02-11 16:32:59 -0700135 help
Robert P. J. Day59d7c342016-04-16 05:53:07 -0400136 Before relocation, memory is very limited on many platforms. Still,
Simon Glassb724bd72015-02-11 16:32:59 -0700137 we can provide a small malloc() pool if needed. Driver model in
138 particular needs this to operate, so that it can allocate the
139 initial serial device and any others that are needed.
140
141config SYS_MALLOC_F_LEN
142 hex "Size of malloc() pool before relocation"
143 depends on SYS_MALLOC_F
Sjoerd Simons90e407a2018-04-12 18:09:58 +0200144 default 0x1000 if AM33XX
Simon Glass15a5c722018-12-03 04:37:17 -0700145 default 0x2800 if SANDBOX
Fabio Estevam08919d32019-05-03 14:05:04 -0300146 default 0x2000 if (ARCH_IMX8 || ARCH_IMX8M || ARCH_MX7 || \
Biwen Li6089d8a2019-12-31 15:33:40 +0800147 ARCH_MX7ULP || ARCH_MX6 || ARCH_MX5 || \
148 ARCH_LS1012A || ARCH_LS1021A || ARCH_LS1043A || \
Heinrich Schuchardt5b603262020-06-07 11:54:00 +0200149 ARCH_LS1046A || ARCH_QEMU)
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
Marek Bykowski9297e362020-04-29 18:23:07 +0200212config SYS_MALLOC_DEFAULT_TO_INIT
213 bool "Default malloc to init while reserving the memory for it"
214 default n
215 help
216 It may happen that one needs to move the dynamic allocation
217 from one to another memory range, eg. when moving the malloc
218 from the limited static to a potentially large dynamic (DDR)
219 memory.
220
221 If so then on top of setting the updated memory aside one
222 needs to bring the malloc init.
223
224 If such a scenario is sought choose yes.
225
Simon Glass022885c2016-06-30 10:52:20 -0600226config TOOLS_DEBUG
227 bool "Enable debug information for tools"
228 help
229 Enable generation of debug information for tools such as mkimage.
230 This can be used for debugging purposes. With debug information
231 it is possible to set breakpoints on particular lines, single-step
232 debug through the source code, etc.
233
Robert P. J. Day266aa862017-01-02 16:32:13 -0500234endif # EXPERT
Masahiro Yamadabb6b1422016-07-25 19:56:03 +0900235
236config PHYS_64BIT
237 bool "64bit physical address support"
238 help
239 Say Y here to support 64bit physical memory address.
240 This can be used not only for 64bit SoCs, but also for
Chris Packham3aeb7712019-01-13 22:13:19 +1300241 large physical address extension on 32bit SoCs.
Masahiro Yamadabb6b1422016-07-25 19:56:03 +0900242
Heinrich Schuchardt871aa412017-10-16 18:08:38 +0000243config BUILD_ROM
244 bool "Build U-Boot as BIOS replacement"
245 depends on X86
246 help
247 This option allows to build a ROM version of U-Boot.
248 The build process generally requires several binary blobs
249 which are not shipped in the U-Boot source tree.
Patrick Delaunay480e4112020-02-28 15:18:11 +0100250 Please, see doc/arch/x86.rst for details.
Heinrich Schuchardt871aa412017-10-16 18:08:38 +0000251
Stefan Roese9ea6f712019-04-03 15:24:50 +0200252config SPL_IMAGE
253 string "SPL image used in the combined SPL+U-Boot image"
254 default "spl/boot.bin" if ARCH_AT91 && SPL_NAND_SUPPORT
255 default "spl/u-boot-spl.bin"
Adam Ford05705562019-08-13 14:32:30 -0500256 depends on SPL
Stefan Roese9ea6f712019-04-03 15:24:50 +0200257 help
258 Select the SPL build target that shall be generated by the SPL
259 build process (default spl/u-boot-spl.bin). This image will be
260 used to generate a combined image with SPL and main U-Boot
261 proper as one single image.
262
Jagan Tekidc146ca2019-01-18 12:52:49 +0530263config BUILD_TARGET
264 string "Build target special images"
Dalon Westergreene3ada912019-03-20 13:15:21 -0700265 default "u-boot-with-spl.sfp" if TARGET_SOCFPGA_ARRIA10
266 default "u-boot-with-spl.sfp" if TARGET_SOCFPGA_GEN5
Baruch Siach0ef69202019-02-07 13:21:16 +0200267 default "u-boot-spl.kwb" if ARCH_MVEBU && SPL
Jagan Tekidc146ca2019-01-18 12:52:49 +0530268 default "u-boot-elf.srec" if RCAR_GEN3
Kever Yangd8765e22019-10-17 12:08:34 -0700269 default "u-boot.itb" if SPL_LOAD_FIT && (ARCH_ROCKCHIP || \
Michal Simek5b21d642019-10-02 15:55:57 +0200270 ARCH_SUNXI || RISCV || ARCH_ZYNQMP)
Trevor Woernerbb0fb4c2020-05-06 08:02:40 -0400271 default "u-boot.kwb" if ARCH_KIRKWOOD
Stefan Roese9ea6f712019-04-03 15:24:50 +0200272 default "u-boot-with-spl.bin" if ARCH_AT91 && SPL_NAND_SUPPORT
Stefan Roese4f761dd2019-09-20 18:09:10 +0200273 default "u-boot-with-spl.imx" if ARCH_MX6 && SPL
Jagan Tekidc146ca2019-01-18 12:52:49 +0530274 help
275 Some SoCs need special image types (e.g. U-Boot binary
276 with a special header) as build targets. By defining
277 CONFIG_BUILD_TARGET in the SoC / board header, this
278 special image will be automatically built upon calling
279 make / buildman.
280
Tom Rinid760a5e2019-06-02 08:57:32 -0400281config SYS_CUSTOM_LDSCRIPT
282 bool "Use a custom location for the U-Boot linker script"
283 help
284 Normally when linking U-Boot we will look in the board directory,
285 the CPU directory and finally the "cpu" directory of the architecture
286 for the ile "u-boot.lds" and use that as our linker. However, in
287 some cases we need to provide a different linker script. To do so,
288 enable this option and then provide the location under
289 CONFIG_SYS_LDSCRIPT.
290
291config SYS_LDSCRIPT
292 depends on SYS_CUSTOM_LDSCRIPT
293 string "Custom ldscript location"
294 help
295 Path within the source tree to the linker script to use for the
296 main U-Boot binary.
297
Simon Goldschmidt93db2b82019-10-22 21:29:46 +0200298config ERR_PTR_OFFSET
299 hex
300 default 0x0
301 help
302 Some U-Boot pointers have redundant information, so we can use a
303 scheme where we can return either an error code or a pointer with the
304 same return value. The default implementation just casts the pointer
305 to a number, however, this may fail on platforms where the end of the
306 address range is used for valid pointers (e.g. 0xffffff00 is a valid
307 heap pointer in socfpga SPL).
308 For such platforms, this value provides an upper range of those error
309 pointer values - up to 'MAX_ERRNO' bytes below this value must be
310 unused/invalid addresses.
311
Michal Simeke14ba8a2020-03-30 13:58:59 +0200312config PLATFORM_ELFENTRY
313 string
314 default "__start" if MIPS
315 default "_start"
316
Masahiro Yamada40ad4c42014-11-26 18:42:31 +0900317endmenu # General setup
318
Masahiro Yamadae91c3c32014-08-22 19:42:27 +0900319menu "Boot images"
320
Tom Rini48f62322017-08-25 17:50:27 -0400321config ANDROID_BOOT_IMAGE
322 bool "Enable support for Android Boot Images"
323 default y if FASTBOOT
324 help
325 This enables support for booting images which use the Android
326 image format header.
327
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900328config FIT
329 bool "Support Flattened Image Tree"
Andre Przywaraaeb9c532017-03-15 01:19:06 +0000330 select MD5
Tom Rini089df182017-05-15 12:17:49 -0400331 select SHA1
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900332 help
Robert P. J. Day266aa862017-01-02 16:32:13 -0500333 This option allows you to boot the new uImage structure,
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900334 Flattened Image Tree. FIT is formally a FDT, which can include
335 images of various types (kernel, FDT blob, ramdisk, etc.)
336 in a single blob. To boot this new uImage structure,
Igor Grinberg1f9ac4a2015-08-26 17:54:45 +0300337 pass the address of the blob to the "bootm" command.
Simon Glass73223f02016-02-22 22:55:43 -0700338 FIT is very flexible, supporting compression, multiple images,
339 multiple configurations, verification through hashing and also
Robert P. J. Day266aa862017-01-02 16:32:13 -0500340 verified boot (secure boot using RSA).
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900341
Robert P. J. Day266aa862017-01-02 16:32:13 -0500342if FIT
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900343
Peng Fan3814fcb2018-11-20 10:19:11 +0000344config FIT_EXTERNAL_OFFSET
Ibai Erkiagaf07ce592019-05-15 22:10:04 +0100345 hex "FIT external data offset"
Peng Fan3814fcb2018-11-20 10:19:11 +0000346 default 0x0
347 help
348 This specifies a data offset in fit image.
349 The offset is from data payload offset to the beginning of
350 fit image header. When specifies a offset, specific data
351 could be put in the hole between data payload and fit image
352 header, such as CSF data on i.MX platform.
353
Tom Rini0db7f682017-05-15 12:17:48 -0400354config FIT_ENABLE_SHA256_SUPPORT
355 bool "Support SHA256 checksum of FIT image contents"
356 default y
Michal Simek58008cb2018-07-23 15:55:15 +0200357 select SHA256
Tom Rini0db7f682017-05-15 12:17:48 -0400358 help
359 Enable this to support SHA256 checksum of FIT image contents. A
360 SHA256 checksum is a 256-bit (32-byte) hash value used to check that
Reuben Dowled16b38f2020-04-16 17:36:52 +1200361 the image contents have not been corrupted.
362
363config FIT_ENABLE_SHA384_SUPPORT
364 bool "Support SHA384 checksum of FIT image contents"
365 default n
366 select SHA384
367 help
368 Enable this to support SHA384 checksum of FIT image contents. A
369 SHA384 checksum is a 384-bit (48-byte) hash value used to check that
370 the image contents have not been corrupted. Use this for the highest
371 security.
372
373config FIT_ENABLE_SHA512_SUPPORT
374 bool "Support SHA512 checksum of FIT image contents"
375 default n
376 select SHA512
377 help
378 Enable this to support SHA512 checksum of FIT image contents. A
379 SHA512 checksum is a 512-bit (64-byte) hash value used to check that
380 the image contents have not been corrupted.
Tom Rini0db7f682017-05-15 12:17:48 -0400381
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900382config FIT_SIGNATURE
Ruchika Guptac4beb222015-01-23 16:01:51 +0530383 bool "Enable signature verification of FIT uImages"
Chris Kuethe90097982015-02-04 19:16:14 -0800384 depends on DM
Kelvin Cheung535adee2018-05-02 18:07:18 +0800385 select HASH
Michal Simek58008cb2018-07-23 15:55:15 +0200386 select RSA
AKASHI Takahirob983cc22020-02-21 15:12:55 +0900387 select RSA_VERIFY
388 select IMAGE_SIGN_INFO
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900389 help
390 This option enables signature verification of FIT uImages,
gaurav rana94e3c8c2015-02-20 12:51:46 +0530391 using a hash signed and verified using RSA. If
392 CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive
Robert P. J. Day266aa862017-01-02 16:32:13 -0500393 hashing is available using hardware, then the RSA library will use
Simon Glass73223f02016-02-22 22:55:43 -0700394 it. See doc/uImage.FIT/signature.txt for more details.
395
396 WARNING: When relying on signed FIT images with a required signature
397 check the legacy image format is disabled by default, so that
398 unsigned images cannot be loaded. If a board needs the legacy image
399 format support in this case, enable it using
Tom Rinic76c93a2019-05-23 07:14:07 -0400400 CONFIG_LEGACY_IMAGE_FORMAT.
Simon Glass73223f02016-02-22 22:55:43 -0700401
Teddy Reed72239fc2018-06-09 11:38:05 -0400402config FIT_SIGNATURE_MAX_SIZE
403 hex "Max size of signed FIT structures"
404 depends on FIT_SIGNATURE
405 default 0x10000000
406 help
407 This option sets a max size in bytes for verified FIT uImages.
408 A sane value of 256MB protects corrupted DTB structures from overlapping
409 device memory. Assure this size does not extend past expected storage
410 space.
411
Philippe Reynes061daa02018-11-14 13:51:01 +0100412config FIT_ENABLE_RSASSA_PSS_SUPPORT
413 bool "Support rsassa-pss signature scheme of FIT image contents"
414 depends on FIT_SIGNATURE
415 default n
416 help
417 Enable this to support the pss padding algorithm as described
418 in the rfc8017 (https://tools.ietf.org/html/rfc8017).
419
Philippe Reynes7298e422019-12-18 18:25:41 +0100420config FIT_CIPHER
421 bool "Enable ciphering data in a FIT uImages"
422 depends on DM
423 select AES
424 help
425 Enable the feature of data ciphering/unciphering in the tool mkimage
426 and in the u-boot support of the FIT image.
427
Robert P. J. Day266aa862017-01-02 16:32:13 -0500428config FIT_VERBOSE
429 bool "Show verbose messages when FIT images fail"
430 help
431 Generally a system will have valid FIT images so debug messages
432 are a waste of code space. If you are debugging your images then
433 you can enable this option to get more verbose information about
434 failures.
Teddy Reed51c14cd2016-06-09 19:18:44 -0700435
Simon Glass73223f02016-02-22 22:55:43 -0700436config FIT_BEST_MATCH
437 bool "Select the best match for the kernel device tree"
Simon Glass73223f02016-02-22 22:55:43 -0700438 help
439 When no configuration is explicitly selected, default to the
440 one whose fdt's compatibility field best matches that of
441 U-Boot itself. A match is considered "best" if it matches the
442 most specific compatibility entry of U-Boot's fdt's root node.
443 The order of entries in the configuration's fdt is ignored.
444
Robert P. J. Day266aa862017-01-02 16:32:13 -0500445config FIT_IMAGE_POST_PROCESS
446 bool "Enable post-processing of FIT artifacts after loading by U-Boot"
447 depends on TI_SECURE_DEVICE
Simon Glass73223f02016-02-22 22:55:43 -0700448 help
Robert P. J. Day266aa862017-01-02 16:32:13 -0500449 Allows doing any sort of manipulation to blobs after they got extracted
450 from FIT images like stripping off headers or modifying the size of the
451 blob, verification, authentication, decryption etc. in a platform or
452 board specific way. In order to use this feature a platform or board-
453 specific implementation of board_fit_image_post_process() must be
454 provided. Also, anything done during this post-processing step would
455 need to be comprehended in how the images were prepared before being
456 injected into the FIT creation (i.e. the blobs would have been pre-
457 processed before being added to the FIT image).
458
Tom Rini71139112017-05-22 14:15:16 -0400459if SPL
460
Robert P. J. Day266aa862017-01-02 16:32:13 -0500461config SPL_FIT
462 bool "Support Flattened Image Tree within SPL"
463 depends on SPL
Andre Przywara85c07a52017-04-26 01:32:38 +0100464 select SPL_OF_LIBFDT
Robert P. J. Day266aa862017-01-02 16:32:13 -0500465
Marek Vasutb527b9c2018-05-13 00:22:52 +0200466config SPL_FIT_PRINT
467 bool "Support FIT printing within SPL"
468 depends on SPL_FIT
469 help
470 Support printing the content of the fitImage in a verbose manner in SPL.
471
Robert P. J. Day266aa862017-01-02 16:32:13 -0500472config SPL_FIT_SIGNATURE
473 bool "Enable signature verification of FIT firmware within SPL"
Robert P. J. Day266aa862017-01-02 16:32:13 -0500474 depends on SPL_DM
Andre Przywara85c07a52017-04-26 01:32:38 +0100475 select SPL_FIT
Robert P. J. Day266aa862017-01-02 16:32:13 -0500476 select SPL_RSA
AKASHI Takahirob983cc22020-02-21 15:12:55 +0900477 select SPL_RSA_VERIFY
Heinrich Schuchardt64411642020-04-15 18:46:21 +0200478 select SPL_IMAGE_SIGN_INFO
Robert P. J. Day266aa862017-01-02 16:32:13 -0500479
480config SPL_LOAD_FIT
Marek Vasut2a221fb2019-05-25 22:53:42 +0200481 bool "Enable SPL loading U-Boot as a FIT (basic fitImage features)"
Andre Przywara85c07a52017-04-26 01:32:38 +0100482 select SPL_FIT
Robert P. J. Day266aa862017-01-02 16:32:13 -0500483 help
484 Normally with the SPL framework a legacy image is generated as part
485 of the build. This contains U-Boot along with information as to
486 where it should be loaded. This option instead enables generation
487 of a FIT (Flat Image Tree) which provides more flexibility. In
488 particular it can handle selecting from multiple device tree
489 and passing the correct one to U-Boot.
490
Michal Simek9d13b872019-10-22 16:39:11 +0200491config SPL_LOAD_FIT_APPLY_OVERLAY
492 bool "Enable SPL applying DT overlays from FIT"
493 depends on SPL_LOAD_FIT
494 select OF_LIBFDT_OVERLAY
495 help
496 The device tree is loaded from the FIT image. Allow the SPL is to
497 also load device-tree overlays from the FIT image an apply them
498 over the device tree.
499
Jean-Jacques Hiblotea376eb2019-10-22 16:39:13 +0200500config SPL_LOAD_FIT_APPLY_OVERLAY_BUF_SZ
501 depends on SPL_LOAD_FIT_APPLY_OVERLAY
502 default 0x10000
503 hex "size of temporary buffer used to load the overlays"
504 help
505 The size of the area where the overlays will be loaded and
506 uncompress. Must be at least as large as biggest overlay
507 (uncompressed)
508
Marek Vasut8a9dc162018-05-13 00:23:17 +0200509config SPL_LOAD_FIT_FULL
Marek Vasut2a221fb2019-05-25 22:53:42 +0200510 bool "Enable SPL loading U-Boot as a FIT (full fitImage features)"
Marek Vasut8a9dc162018-05-13 00:23:17 +0200511 select SPL_FIT
512 help
513 Normally with the SPL framework a legacy image is generated as part
514 of the build. This contains U-Boot along with information as to
515 where it should be loaded. This option instead enables generation
516 of a FIT (Flat Image Tree) which provides more flexibility. In
517 particular it can handle selecting from multiple device tree
518 and passing the correct one to U-Boot.
519
Robert P. J. Day266aa862017-01-02 16:32:13 -0500520config SPL_FIT_IMAGE_POST_PROCESS
521 bool "Enable post-processing of FIT artifacts after loading by the SPL"
ext-vasily.gurevich@vaisala.comc12d8b72017-10-02 13:42:55 +0000522 depends on SPL_LOAD_FIT
Robert P. J. Day266aa862017-01-02 16:32:13 -0500523 help
524 Allows doing any sort of manipulation to blobs after they got extracted
525 from the U-Boot FIT image like stripping off headers or modifying the
526 size of the blob, verification, authentication, decryption etc. in a
527 platform or board specific way. In order to use this feature a platform
528 or board-specific implementation of board_fit_image_post_process() must
529 be provided. Also, anything done during this post-processing step would
530 need to be comprehended in how the images were prepared before being
531 injected into the FIT creation (i.e. the blobs would have been pre-
532 processed before being added to the FIT image).
533
Andre Przywara1a12fdc2017-04-26 01:32:45 +0100534config SPL_FIT_SOURCE
535 string ".its source file for U-Boot FIT image"
536 depends on SPL_FIT
537 help
538 Specifies a (platform specific) FIT source file to generate the
539 U-Boot FIT image. This could specify further image to load and/or
540 execute.
541
542config SPL_FIT_GENERATOR
543 string ".its file generator script for U-Boot FIT image"
544 depends on SPL_FIT
Andre Przywarad29adf82017-04-26 01:32:48 +0100545 default "board/sunxi/mksunxi_fit_atf.sh" if SPL_LOAD_FIT && ARCH_SUNXI
Jagan Teki695dca92019-05-08 11:11:42 +0530546 default "arch/arm/mach-rockchip/make_fit_atf.py" if SPL_LOAD_FIT && ARCH_ROCKCHIP
Michal Simek5b21d642019-10-02 15:55:57 +0200547 default "arch/arm/mach-zynqmp/mkimage_fit_atf.sh" if SPL_LOAD_FIT && ARCH_ZYNQMP
Lukas Auer109f82b2019-08-21 21:14:48 +0200548 default "arch/riscv/lib/mkimage_fit_opensbi.sh" if SPL_LOAD_FIT && RISCV
Andre Przywara1a12fdc2017-04-26 01:32:45 +0100549 help
550 Specifies a (platform specific) script file to generate the FIT
551 source file used to build the U-Boot FIT image file. This gets
552 passed a list of supported device tree file stub names to
553 include in the generated image.
554
Tom Rini71139112017-05-22 14:15:16 -0400555endif # SPL
556
Robert P. J. Day266aa862017-01-02 16:32:13 -0500557endif # FIT
Simon Glass73223f02016-02-22 22:55:43 -0700558
Tom Rinic76c93a2019-05-23 07:14:07 -0400559config LEGACY_IMAGE_FORMAT
Alex Kiernan002c3232018-04-20 21:25:38 +0000560 bool "Enable support for the legacy image format"
561 default y if !FIT_SIGNATURE
562 help
563 This option enables the legacy image format. It is enabled by
564 default for backward compatibility, unless FIT_SIGNATURE is
565 set where it is disabled so that unsigned images cannot be
566 loaded. If a board needs the legacy image format support in this
567 case, enable it here.
568
Simon Glass73223f02016-02-22 22:55:43 -0700569config OF_BOARD_SETUP
570 bool "Set up board-specific details in device tree before boot"
571 depends on OF_LIBFDT
572 help
573 This causes U-Boot to call ft_board_setup() before booting into
574 the Operating System. This function can set up various
575 board-specific information in the device tree for use by the OS.
576 The device tree is then passed to the OS.
577
578config OF_SYSTEM_SETUP
579 bool "Set up system-specific details in device tree before boot"
580 depends on OF_LIBFDT
581 help
582 This causes U-Boot to call ft_system_setup() before booting into
583 the Operating System. This function can set up various
584 system-specific information in the device tree for use by the OS.
585 The device tree is then passed to the OS.
586
587config OF_STDOUT_VIA_ALIAS
588 bool "Update the device-tree stdout alias from U-Boot"
589 depends on OF_LIBFDT
590 help
591 This uses U-Boot's serial alias from the aliases node to update
592 the device tree passed to the OS. The "linux,stdout-path" property
593 in the chosen node is set to point to the correct serial node.
594 This option currently references CONFIG_CONS_INDEX, which is
595 incorrect when used with device tree as this option does not
596 exist / should not be used.
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900597
Masahiro Yamada51631252014-07-30 14:08:15 +0900598config SYS_EXTRA_OPTIONS
599 string "Extra Options (DEPRECATED)"
Masahiro Yamada51631252014-07-30 14:08:15 +0900600 help
601 The old configuration infrastructure (= mkconfig + boards.cfg)
Masahiro Yamadaed363232014-09-16 16:32:58 +0900602 provided the extra options field. If you have something like
Masahiro Yamada51631252014-07-30 14:08:15 +0900603 "HAS_BAR,BAZ=64", the optional options
604 #define CONFIG_HAS
605 #define CONFIG_BAZ 64
606 will be defined in include/config.h.
607 This option was prepared for the smooth migration from the old
608 configuration to Kconfig. Since this option will be removed sometime,
609 new boards should not use this option.
610
Simon Glassb3112952019-12-06 21:42:29 -0700611config HAVE_SYS_TEXT_BASE
612 bool
Tom Rini278b90c2018-02-03 12:10:38 -0500613 depends on !NIOS2 && !XTENSA
Ben Stoltz484cce02015-08-04 12:33:41 -0600614 depends on !EFI_APP
Simon Glassb3112952019-12-06 21:42:29 -0700615 default y
616
617config SYS_TEXT_BASE
618 depends on HAVE_SYS_TEXT_BASE
Lokesh Vutla586bde92018-08-27 15:57:08 +0530619 default 0x80800000 if ARCH_OMAP2PLUS || ARCH_K3
Andre Przywara341c0582018-03-03 23:49:02 +0000620 default 0x4a000000 if ARCH_SUNXI && !MACH_SUN9I && !MACH_SUN8I_V3S
621 default 0x2a000000 if ARCH_SUNXI && MACH_SUN9I
622 default 0x42e00000 if ARCH_SUNXI && MACH_SUN8I_V3S
Masahiro Yamada7f7563c2014-10-30 15:30:58 +0900623 hex "Text Base"
624 help
Tom Rini278b90c2018-02-03 12:10:38 -0500625 The address in memory that U-Boot will be running from, initially.
Masahiro Yamada7f7563c2014-10-30 15:30:58 +0900626
Alexey Brodkin33d88182015-01-13 18:49:01 +0300627config SYS_CLK_FREQ
Mario Sixff3bb0c2019-01-21 09:17:53 +0100628 depends on ARC || ARCH_SUNXI || MPC83xx
Alexey Brodkin33d88182015-01-13 18:49:01 +0300629 int "CPU clock frequency"
630 help
631 TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture
632
Masahiro Yamada63c09412016-11-26 11:02:10 +0900633config ARCH_FIXUP_FDT_MEMORY
634 bool "Enable arch_fixup_memory_banks() call"
Michal Simeke2f88df2016-07-28 09:06:41 +0200635 default y
636 help
637 Enable FDT memory map syncup before OS boot. This feature can be
638 used for booting OS with different memory setup where the part of
639 the memory location should be used for different purpose.
640
Masahiro Yamadae91c3c32014-08-22 19:42:27 +0900641endmenu # Boot images
Masahiro Yamada51631252014-07-30 14:08:15 +0900642
Emmanuel Vadot4db98d32017-01-31 12:17:04 +0100643source "api/Kconfig"
644
Masahiro Yamadaed363232014-09-16 16:32:58 +0900645source "common/Kconfig"
646
Simon Glass72a8cf82016-01-17 20:53:51 -0700647source "cmd/Kconfig"
648
Patrick Delaunaye274ef62017-01-27 11:00:35 +0100649source "disk/Kconfig"
650
Masahiro Yamada783e6a72014-09-22 19:59:05 +0900651source "dts/Kconfig"
652
Simon Glass0649cd02017-08-03 12:21:49 -0600653source "env/Kconfig"
654
Masahiro Yamadaed363232014-09-16 16:32:58 +0900655source "net/Kconfig"
656
657source "drivers/Kconfig"
658
659source "fs/Kconfig"
660
661source "lib/Kconfig"
Simon Glass19679822015-02-05 21:41:37 -0700662
663source "test/Kconfig"