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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
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"
Patrick Delaunayef84ddd2019-04-18 17:32:36 +0200159 depends on ARCH_ZYNQ || ARCH_VERSAL || ARCH_STM32MP
Siva Durga Prasad Paladugu01aa5b82018-07-20 15:11:38 +0530160 help
161 This defines memory to be allocated for Dynamic allocation
162 TODO: Use for other architectures
163
Andy Yanf1896c42017-07-24 17:43:34 +0800164config SPL_SYS_MALLOC_F_LEN
Michal Simek14aa2102018-07-24 14:47:43 +0200165 hex "Size of malloc() pool in SPL before relocation"
Adam Ford05705562019-08-13 14:32:30 -0500166 depends on SYS_MALLOC_F && SPL
Marek Vasut56023302018-10-03 12:44:13 +0200167 default 0x2800 if RCAR_GEN3
Michal Simek14aa2102018-07-24 14:47:43 +0200168 default SYS_MALLOC_F_LEN
169 help
170 Before relocation, memory is very limited on many platforms. Still,
171 we can provide a small malloc() pool if needed. Driver model in
172 particular needs this to operate, so that it can allocate the
173 initial serial device and any others that are needed.
Philipp Tomsichae2cee22017-07-28 11:06:03 +0200174
175config TPL_SYS_MALLOC_F_LEN
Michal Simek14aa2102018-07-24 14:47:43 +0200176 hex "Size of malloc() pool in TPL before relocation"
Adam Ford05705562019-08-13 14:32:30 -0500177 depends on SYS_MALLOC_F && TPL
Michal Simek14aa2102018-07-24 14:47:43 +0200178 default SYS_MALLOC_F_LEN
179 help
180 Before relocation, memory is very limited on many platforms. Still,
181 we can provide a small malloc() pool if needed. Driver model in
182 particular needs this to operate, so that it can allocate the
183 initial serial device and any others that are needed.
Andy Yanf1896c42017-07-24 17:43:34 +0800184
Tom Rini1bf09792014-11-14 09:34:29 +0100185menuconfig EXPERT
Przemyslaw Marczak0aa8a4a2015-03-04 14:01:24 +0100186 bool "Configure standard U-Boot features (expert users)"
187 default y
188 help
189 This option allows certain base U-Boot options and settings
190 to be disabled or tweaked. This is for specialized
191 environments which can tolerate a "non-standard" U-Boot.
Robert P. J. Day59d7c342016-04-16 05:53:07 -0400192 Use this only if you really know what you are doing.
Tom Rini1bf09792014-11-14 09:34:29 +0100193
Przemyslaw Marczak0aa8a4a2015-03-04 14:01:24 +0100194if EXPERT
195 config SYS_MALLOC_CLEAR_ON_INIT
196 bool "Init with zeros the memory reserved for malloc (slow)"
197 default y
198 help
199 This setting is enabled by default. The reserved malloc
200 memory is initialized with zeros, so first malloc calls
201 will return the pointer to the zeroed memory. But this
202 slows the boot time.
203
204 It is recommended to disable it, when CONFIG_SYS_MALLOC_LEN
205 value, has more than few MiB, e.g. when uses bzip2 or bmp logo.
206 Then the boot time can be significantly reduced.
207 Warning:
208 When disabling this, please check if malloc calls, maybe
Robert P. J. Day59d7c342016-04-16 05:53:07 -0400209 should be replaced by calloc - if one expects zeroed memory.
Simon Glass022885c2016-06-30 10:52:20 -0600210
211config TOOLS_DEBUG
212 bool "Enable debug information for tools"
213 help
214 Enable generation of debug information for tools such as mkimage.
215 This can be used for debugging purposes. With debug information
216 it is possible to set breakpoints on particular lines, single-step
217 debug through the source code, etc.
218
Robert P. J. Day266aa862017-01-02 16:32:13 -0500219endif # EXPERT
Masahiro Yamadabb6b1422016-07-25 19:56:03 +0900220
221config PHYS_64BIT
222 bool "64bit physical address support"
223 help
224 Say Y here to support 64bit physical memory address.
225 This can be used not only for 64bit SoCs, but also for
Chris Packham3aeb7712019-01-13 22:13:19 +1300226 large physical address extension on 32bit SoCs.
Masahiro Yamadabb6b1422016-07-25 19:56:03 +0900227
Heinrich Schuchardt871aa412017-10-16 18:08:38 +0000228config BUILD_ROM
229 bool "Build U-Boot as BIOS replacement"
230 depends on X86
231 help
232 This option allows to build a ROM version of U-Boot.
233 The build process generally requires several binary blobs
234 which are not shipped in the U-Boot source tree.
235 Please, see doc/README.x86 for details.
236
Stefan Roese9ea6f712019-04-03 15:24:50 +0200237config SPL_IMAGE
238 string "SPL image used in the combined SPL+U-Boot image"
239 default "spl/boot.bin" if ARCH_AT91 && SPL_NAND_SUPPORT
240 default "spl/u-boot-spl.bin"
Adam Ford05705562019-08-13 14:32:30 -0500241 depends on SPL
Stefan Roese9ea6f712019-04-03 15:24:50 +0200242 help
243 Select the SPL build target that shall be generated by the SPL
244 build process (default spl/u-boot-spl.bin). This image will be
245 used to generate a combined image with SPL and main U-Boot
246 proper as one single image.
247
Jagan Tekidc146ca2019-01-18 12:52:49 +0530248config BUILD_TARGET
249 string "Build target special images"
Dalon Westergreene3ada912019-03-20 13:15:21 -0700250 default "u-boot-with-spl.sfp" if TARGET_SOCFPGA_ARRIA10
251 default "u-boot-with-spl.sfp" if TARGET_SOCFPGA_GEN5
Baruch Siach0ef69202019-02-07 13:21:16 +0200252 default "u-boot-spl.kwb" if ARCH_MVEBU && SPL
Jagan Tekidc146ca2019-01-18 12:52:49 +0530253 default "u-boot-elf.srec" if RCAR_GEN3
Jagan Teki1c281dc2019-06-20 15:37:40 +0530254 default "u-boot.itb" if SPL_LOAD_FIT && (ROCKCHIP_RK3399 || ARCH_SUNXI)
Chris Packhamd5512a32019-01-18 20:46:43 +1300255 default "u-boot.kwb" if KIRKWOOD
Stefan Roese9ea6f712019-04-03 15:24:50 +0200256 default "u-boot-with-spl.bin" if ARCH_AT91 && SPL_NAND_SUPPORT
Jagan Tekidc146ca2019-01-18 12:52:49 +0530257 help
258 Some SoCs need special image types (e.g. U-Boot binary
259 with a special header) as build targets. By defining
260 CONFIG_BUILD_TARGET in the SoC / board header, this
261 special image will be automatically built upon calling
262 make / buildman.
263
Tom Rinid760a5e2019-06-02 08:57:32 -0400264config SYS_CUSTOM_LDSCRIPT
265 bool "Use a custom location for the U-Boot linker script"
266 help
267 Normally when linking U-Boot we will look in the board directory,
268 the CPU directory and finally the "cpu" directory of the architecture
269 for the ile "u-boot.lds" and use that as our linker. However, in
270 some cases we need to provide a different linker script. To do so,
271 enable this option and then provide the location under
272 CONFIG_SYS_LDSCRIPT.
273
274config SYS_LDSCRIPT
275 depends on SYS_CUSTOM_LDSCRIPT
276 string "Custom ldscript location"
277 help
278 Path within the source tree to the linker script to use for the
279 main U-Boot binary.
280
Masahiro Yamada40ad4c42014-11-26 18:42:31 +0900281endmenu # General setup
282
Masahiro Yamadae91c3c32014-08-22 19:42:27 +0900283menu "Boot images"
284
Tom Rini48f62322017-08-25 17:50:27 -0400285config ANDROID_BOOT_IMAGE
286 bool "Enable support for Android Boot Images"
287 default y if FASTBOOT
288 help
289 This enables support for booting images which use the Android
290 image format header.
291
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900292config FIT
293 bool "Support Flattened Image Tree"
Andre Przywaraaeb9c532017-03-15 01:19:06 +0000294 select MD5
Tom Rini089df182017-05-15 12:17:49 -0400295 select SHA1
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900296 help
Robert P. J. Day266aa862017-01-02 16:32:13 -0500297 This option allows you to boot the new uImage structure,
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900298 Flattened Image Tree. FIT is formally a FDT, which can include
299 images of various types (kernel, FDT blob, ramdisk, etc.)
300 in a single blob. To boot this new uImage structure,
Igor Grinberg1f9ac4a2015-08-26 17:54:45 +0300301 pass the address of the blob to the "bootm" command.
Simon Glass73223f02016-02-22 22:55:43 -0700302 FIT is very flexible, supporting compression, multiple images,
303 multiple configurations, verification through hashing and also
Robert P. J. Day266aa862017-01-02 16:32:13 -0500304 verified boot (secure boot using RSA).
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900305
Robert P. J. Day266aa862017-01-02 16:32:13 -0500306if FIT
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900307
Peng Fan3814fcb2018-11-20 10:19:11 +0000308config FIT_EXTERNAL_OFFSET
Ibai Erkiagaf07ce592019-05-15 22:10:04 +0100309 hex "FIT external data offset"
Peng Fan3814fcb2018-11-20 10:19:11 +0000310 default 0x0
311 help
312 This specifies a data offset in fit image.
313 The offset is from data payload offset to the beginning of
314 fit image header. When specifies a offset, specific data
315 could be put in the hole between data payload and fit image
316 header, such as CSF data on i.MX platform.
317
Tom Rini0db7f682017-05-15 12:17:48 -0400318config FIT_ENABLE_SHA256_SUPPORT
319 bool "Support SHA256 checksum of FIT image contents"
320 default y
Michal Simek58008cb2018-07-23 15:55:15 +0200321 select SHA256
Tom Rini0db7f682017-05-15 12:17:48 -0400322 help
323 Enable this to support SHA256 checksum of FIT image contents. A
324 SHA256 checksum is a 256-bit (32-byte) hash value used to check that
325 the image contents have not been corrupted. SHA256 is recommended
326 for use in secure applications since (as at 2016) there is no known
327 feasible attack that could produce a 'collision' with differing
328 input data. Use this for the highest security. Note that only the
329 SHA256 variant is supported: SHA512 and others are not currently
330 supported in U-Boot.
331
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900332config FIT_SIGNATURE
Ruchika Guptac4beb222015-01-23 16:01:51 +0530333 bool "Enable signature verification of FIT uImages"
Chris Kuethe90097982015-02-04 19:16:14 -0800334 depends on DM
Kelvin Cheung535adee2018-05-02 18:07:18 +0800335 select HASH
Michal Simek58008cb2018-07-23 15:55:15 +0200336 select RSA
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900337 help
338 This option enables signature verification of FIT uImages,
gaurav rana94e3c8c2015-02-20 12:51:46 +0530339 using a hash signed and verified using RSA. If
340 CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive
Robert P. J. Day266aa862017-01-02 16:32:13 -0500341 hashing is available using hardware, then the RSA library will use
Simon Glass73223f02016-02-22 22:55:43 -0700342 it. See doc/uImage.FIT/signature.txt for more details.
343
344 WARNING: When relying on signed FIT images with a required signature
345 check the legacy image format is disabled by default, so that
346 unsigned images cannot be loaded. If a board needs the legacy image
347 format support in this case, enable it using
Tom Rinic76c93a2019-05-23 07:14:07 -0400348 CONFIG_LEGACY_IMAGE_FORMAT.
Simon Glass73223f02016-02-22 22:55:43 -0700349
Teddy Reed72239fc2018-06-09 11:38:05 -0400350config FIT_SIGNATURE_MAX_SIZE
351 hex "Max size of signed FIT structures"
352 depends on FIT_SIGNATURE
353 default 0x10000000
354 help
355 This option sets a max size in bytes for verified FIT uImages.
356 A sane value of 256MB protects corrupted DTB structures from overlapping
357 device memory. Assure this size does not extend past expected storage
358 space.
359
Philippe Reynes061daa02018-11-14 13:51:01 +0100360config FIT_ENABLE_RSASSA_PSS_SUPPORT
361 bool "Support rsassa-pss signature scheme of FIT image contents"
362 depends on FIT_SIGNATURE
363 default n
364 help
365 Enable this to support the pss padding algorithm as described
366 in the rfc8017 (https://tools.ietf.org/html/rfc8017).
367
Robert P. J. Day266aa862017-01-02 16:32:13 -0500368config FIT_VERBOSE
369 bool "Show verbose messages when FIT images fail"
370 help
371 Generally a system will have valid FIT images so debug messages
372 are a waste of code space. If you are debugging your images then
373 you can enable this option to get more verbose information about
374 failures.
Teddy Reed51c14cd2016-06-09 19:18:44 -0700375
Simon Glass73223f02016-02-22 22:55:43 -0700376config FIT_BEST_MATCH
377 bool "Select the best match for the kernel device tree"
Simon Glass73223f02016-02-22 22:55:43 -0700378 help
379 When no configuration is explicitly selected, default to the
380 one whose fdt's compatibility field best matches that of
381 U-Boot itself. A match is considered "best" if it matches the
382 most specific compatibility entry of U-Boot's fdt's root node.
383 The order of entries in the configuration's fdt is ignored.
384
Robert P. J. Day266aa862017-01-02 16:32:13 -0500385config FIT_IMAGE_POST_PROCESS
386 bool "Enable post-processing of FIT artifacts after loading by U-Boot"
387 depends on TI_SECURE_DEVICE
Simon Glass73223f02016-02-22 22:55:43 -0700388 help
Robert P. J. Day266aa862017-01-02 16:32:13 -0500389 Allows doing any sort of manipulation to blobs after they got extracted
390 from FIT images like stripping off headers or modifying the size of the
391 blob, verification, authentication, decryption etc. in a platform or
392 board specific way. In order to use this feature a platform or board-
393 specific implementation of board_fit_image_post_process() must be
394 provided. Also, anything done during this post-processing step would
395 need to be comprehended in how the images were prepared before being
396 injected into the FIT creation (i.e. the blobs would have been pre-
397 processed before being added to the FIT image).
398
Tom Rini71139112017-05-22 14:15:16 -0400399if SPL
400
Robert P. J. Day266aa862017-01-02 16:32:13 -0500401config SPL_FIT
402 bool "Support Flattened Image Tree within SPL"
403 depends on SPL
Andre Przywara85c07a52017-04-26 01:32:38 +0100404 select SPL_OF_LIBFDT
Robert P. J. Day266aa862017-01-02 16:32:13 -0500405
Marek Vasutb527b9c2018-05-13 00:22:52 +0200406config SPL_FIT_PRINT
407 bool "Support FIT printing within SPL"
408 depends on SPL_FIT
409 help
410 Support printing the content of the fitImage in a verbose manner in SPL.
411
Robert P. J. Day266aa862017-01-02 16:32:13 -0500412config SPL_FIT_SIGNATURE
413 bool "Enable signature verification of FIT firmware within SPL"
Robert P. J. Day266aa862017-01-02 16:32:13 -0500414 depends on SPL_DM
Andre Przywara85c07a52017-04-26 01:32:38 +0100415 select SPL_FIT
Robert P. J. Day266aa862017-01-02 16:32:13 -0500416 select SPL_RSA
417
418config SPL_LOAD_FIT
Marek Vasut2a221fb2019-05-25 22:53:42 +0200419 bool "Enable SPL loading U-Boot as a FIT (basic fitImage features)"
Andre Przywara85c07a52017-04-26 01:32:38 +0100420 select SPL_FIT
Robert P. J. Day266aa862017-01-02 16:32:13 -0500421 help
422 Normally with the SPL framework a legacy image is generated as part
423 of the build. This contains U-Boot along with information as to
424 where it should be loaded. This option instead enables generation
425 of a FIT (Flat Image Tree) which provides more flexibility. In
426 particular it can handle selecting from multiple device tree
427 and passing the correct one to U-Boot.
428
Marek Vasut8a9dc162018-05-13 00:23:17 +0200429config SPL_LOAD_FIT_FULL
Marek Vasut2a221fb2019-05-25 22:53:42 +0200430 bool "Enable SPL loading U-Boot as a FIT (full fitImage features)"
Marek Vasut8a9dc162018-05-13 00:23:17 +0200431 select SPL_FIT
432 help
433 Normally with the SPL framework a legacy image is generated as part
434 of the build. This contains U-Boot along with information as to
435 where it should be loaded. This option instead enables generation
436 of a FIT (Flat Image Tree) which provides more flexibility. In
437 particular it can handle selecting from multiple device tree
438 and passing the correct one to U-Boot.
439
Robert P. J. Day266aa862017-01-02 16:32:13 -0500440config SPL_FIT_IMAGE_POST_PROCESS
441 bool "Enable post-processing of FIT artifacts after loading by the SPL"
ext-vasily.gurevich@vaisala.comc12d8b72017-10-02 13:42:55 +0000442 depends on SPL_LOAD_FIT
Robert P. J. Day266aa862017-01-02 16:32:13 -0500443 help
444 Allows doing any sort of manipulation to blobs after they got extracted
445 from the U-Boot FIT image like stripping off headers or modifying the
446 size of the blob, verification, authentication, decryption etc. in a
447 platform or board specific way. In order to use this feature a platform
448 or board-specific implementation of board_fit_image_post_process() must
449 be provided. Also, anything done during this post-processing step would
450 need to be comprehended in how the images were prepared before being
451 injected into the FIT creation (i.e. the blobs would have been pre-
452 processed before being added to the FIT image).
453
Andre Przywara1a12fdc2017-04-26 01:32:45 +0100454config SPL_FIT_SOURCE
455 string ".its source file for U-Boot FIT image"
456 depends on SPL_FIT
457 help
458 Specifies a (platform specific) FIT source file to generate the
459 U-Boot FIT image. This could specify further image to load and/or
460 execute.
461
462config SPL_FIT_GENERATOR
463 string ".its file generator script for U-Boot FIT image"
464 depends on SPL_FIT
Andre Przywarad29adf82017-04-26 01:32:48 +0100465 default "board/sunxi/mksunxi_fit_atf.sh" if SPL_LOAD_FIT && ARCH_SUNXI
Jagan Teki695dca92019-05-08 11:11:42 +0530466 default "arch/arm/mach-rockchip/make_fit_atf.py" if SPL_LOAD_FIT && ARCH_ROCKCHIP
Andre Przywara1a12fdc2017-04-26 01:32:45 +0100467 help
468 Specifies a (platform specific) script file to generate the FIT
469 source file used to build the U-Boot FIT image file. This gets
470 passed a list of supported device tree file stub names to
471 include in the generated image.
472
Tom Rini71139112017-05-22 14:15:16 -0400473endif # SPL
474
Robert P. J. Day266aa862017-01-02 16:32:13 -0500475endif # FIT
Simon Glass73223f02016-02-22 22:55:43 -0700476
Tom Rinic76c93a2019-05-23 07:14:07 -0400477config LEGACY_IMAGE_FORMAT
Alex Kiernan002c3232018-04-20 21:25:38 +0000478 bool "Enable support for the legacy image format"
479 default y if !FIT_SIGNATURE
480 help
481 This option enables the legacy image format. It is enabled by
482 default for backward compatibility, unless FIT_SIGNATURE is
483 set where it is disabled so that unsigned images cannot be
484 loaded. If a board needs the legacy image format support in this
485 case, enable it here.
486
Simon Glass73223f02016-02-22 22:55:43 -0700487config OF_BOARD_SETUP
488 bool "Set up board-specific details in device tree before boot"
489 depends on OF_LIBFDT
490 help
491 This causes U-Boot to call ft_board_setup() before booting into
492 the Operating System. This function can set up various
493 board-specific information in the device tree for use by the OS.
494 The device tree is then passed to the OS.
495
496config OF_SYSTEM_SETUP
497 bool "Set up system-specific details in device tree before boot"
498 depends on OF_LIBFDT
499 help
500 This causes U-Boot to call ft_system_setup() before booting into
501 the Operating System. This function can set up various
502 system-specific information in the device tree for use by the OS.
503 The device tree is then passed to the OS.
504
505config OF_STDOUT_VIA_ALIAS
506 bool "Update the device-tree stdout alias from U-Boot"
507 depends on OF_LIBFDT
508 help
509 This uses U-Boot's serial alias from the aliases node to update
510 the device tree passed to the OS. The "linux,stdout-path" property
511 in the chosen node is set to point to the correct serial node.
512 This option currently references CONFIG_CONS_INDEX, which is
513 incorrect when used with device tree as this option does not
514 exist / should not be used.
Masahiro Yamadab6cf4432014-11-13 19:29:06 +0900515
Masahiro Yamada51631252014-07-30 14:08:15 +0900516config SYS_EXTRA_OPTIONS
517 string "Extra Options (DEPRECATED)"
Masahiro Yamada51631252014-07-30 14:08:15 +0900518 help
519 The old configuration infrastructure (= mkconfig + boards.cfg)
Masahiro Yamadaed363232014-09-16 16:32:58 +0900520 provided the extra options field. If you have something like
Masahiro Yamada51631252014-07-30 14:08:15 +0900521 "HAS_BAR,BAZ=64", the optional options
522 #define CONFIG_HAS
523 #define CONFIG_BAZ 64
524 will be defined in include/config.h.
525 This option was prepared for the smooth migration from the old
526 configuration to Kconfig. Since this option will be removed sometime,
527 new boards should not use this option.
528
Masahiro Yamada7f7563c2014-10-30 15:30:58 +0900529config SYS_TEXT_BASE
Tom Rini278b90c2018-02-03 12:10:38 -0500530 depends on !NIOS2 && !XTENSA
Ben Stoltz484cce02015-08-04 12:33:41 -0600531 depends on !EFI_APP
Lokesh Vutla586bde92018-08-27 15:57:08 +0530532 default 0x80800000 if ARCH_OMAP2PLUS || ARCH_K3
Andre Przywara341c0582018-03-03 23:49:02 +0000533 default 0x4a000000 if ARCH_SUNXI && !MACH_SUN9I && !MACH_SUN8I_V3S
534 default 0x2a000000 if ARCH_SUNXI && MACH_SUN9I
535 default 0x42e00000 if ARCH_SUNXI && MACH_SUN8I_V3S
Masahiro Yamada7f7563c2014-10-30 15:30:58 +0900536 hex "Text Base"
537 help
Tom Rini278b90c2018-02-03 12:10:38 -0500538 The address in memory that U-Boot will be running from, initially.
Masahiro Yamada7f7563c2014-10-30 15:30:58 +0900539
Adam Ford7e0ed132017-07-28 08:32:52 -0500540
Andreas Dannenbergeba3fbd2016-07-27 12:12:39 -0500541
Alexey Brodkin33d88182015-01-13 18:49:01 +0300542config SYS_CLK_FREQ
Mario Sixff3bb0c2019-01-21 09:17:53 +0100543 depends on ARC || ARCH_SUNXI || MPC83xx
Alexey Brodkin33d88182015-01-13 18:49:01 +0300544 int "CPU clock frequency"
545 help
546 TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture
547
Masahiro Yamada63c09412016-11-26 11:02:10 +0900548config ARCH_FIXUP_FDT_MEMORY
549 bool "Enable arch_fixup_memory_banks() call"
Michal Simeke2f88df2016-07-28 09:06:41 +0200550 default y
551 help
552 Enable FDT memory map syncup before OS boot. This feature can be
553 used for booting OS with different memory setup where the part of
554 the memory location should be used for different purpose.
555
Masahiro Yamadae91c3c32014-08-22 19:42:27 +0900556endmenu # Boot images
Masahiro Yamada51631252014-07-30 14:08:15 +0900557
Emmanuel Vadot4db98d32017-01-31 12:17:04 +0100558source "api/Kconfig"
559
Masahiro Yamadaed363232014-09-16 16:32:58 +0900560source "common/Kconfig"
561
Simon Glass72a8cf82016-01-17 20:53:51 -0700562source "cmd/Kconfig"
563
Patrick Delaunaye274ef62017-01-27 11:00:35 +0100564source "disk/Kconfig"
565
Masahiro Yamada783e6a72014-09-22 19:59:05 +0900566source "dts/Kconfig"
567
Simon Glass0649cd02017-08-03 12:21:49 -0600568source "env/Kconfig"
569
Masahiro Yamadaed363232014-09-16 16:32:58 +0900570source "net/Kconfig"
571
572source "drivers/Kconfig"
573
574source "fs/Kconfig"
575
576source "lib/Kconfig"
Simon Glass19679822015-02-05 21:41:37 -0700577
578source "test/Kconfig"