blob: d5538dd3f4b21dcde8748b27067a934d6e847982 [file] [log] [blame]
Masahiro Yamada804bc5e2014-07-30 14:08:15 +09001#
2# For a description of the syntax of this configuration file,
Robert P. J. Day2f845be2016-04-16 05:53:07 -04003# see the file Documentation/kbuild/kconfig-language.txt in the
4# Linux kernel source tree.
Masahiro Yamada804bc5e2014-07-30 14:08:15 +09005#
6mainmenu "U-Boot $UBOOTVERSION Configuration"
7
8config UBOOTVERSION
9 string
10 option env="UBOOTVERSION"
11
Simon Glass157c3952015-02-24 22:26:19 +090012# Allow defaults in arch-specific code to override any given here
13source "arch/Kconfig"
14
Masahiro Yamada804bc5e2014-07-30 14:08:15 +090015menu "General setup"
16
Heinrich Schuchardt556f86d2017-10-19 23:49:19 +020017config BROKEN
18 bool
19 help
20 This option cannot be enabled. It is used as dependency
21 for broken and incomplete features.
22
Tom Rinie9518cf2019-05-29 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 Yamada6ea06e62014-08-22 19:42:27 +090030config LOCALVERSION
31 string "Local version - append to U-Boot release"
Masahiro Yamada6ea06e62014-08-22 19:42:27 +090032 help
33 Append an extra string to the end of your U-Boot version.
Robert P. J. Day2f845be2016-04-16 05:53:07 -040034 This will show up in your boot log, for example.
Masahiro Yamada6ea06e62014-08-22 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 Yamada6ea06e62014-08-22 19:42:27 +090042 default y
43 help
44 This will try to automatically determine if the current tree is a
Robert P. J. Day2f845be2016-04-16 05:53:07 -040045 release tree by looking for Git tags that belong to the current
Masahiro Yamada6ea06e62014-08-22 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. Day2f845be2016-04-16 05:53:07 -040049 if a Git-based tree is found. The string generated by this will be
Masahiro Yamada6ea06e62014-08-22 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 Yamada8240a4b2014-08-22 19:42:29 +090060config CC_OPTIMIZE_FOR_SIZE
61 bool "Optimize for size"
Masahiro Yamada8240a4b2014-08-22 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 Gmeiner0e7c0712018-04-09 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 Goedef99c5cb2016-06-20 23:16:28 +020076config DISTRO_DEFAULTS
77 bool "Select defaults suitable for booting general purpose Linux distributions"
Michal Simek7e7ba3b2018-07-23 15:55:15 +020078 select AUTO_COMPLETE
79 select CMDLINE_EDITING
Masahiro Yamada04cf1552016-08-12 08:31:16 -040080 select CMD_BOOTI if ARM64
Michal Simek7e7ba3b2018-07-23 15:55:15 +020081 select CMD_BOOTZ if ARM && !ARM64
Joe Hershberger1c657e92018-04-13 15:26:31 -050082 select CMD_DHCP if CMD_NET
Masahiro Yamadae4ce7952018-04-25 19:16:48 +090083 select CMD_ENV_EXISTS
Hans de Goedef99c5cb2016-06-20 23:16:28 +020084 select CMD_EXT2
85 select CMD_EXT4
86 select CMD_FAT
87 select CMD_FS_GENERIC
Tom Rini732aa4a2018-02-10 16:54:38 -050088 select CMD_PART if PARTITIONS
Michal Simek7e7ba3b2018-07-23 15:55:15 +020089 select CMD_PING if CMD_NET
90 select CMD_PXE if NET
91 select ENV_VARS_UBOOT_CONFIG
Hans de Goedef99c5cb2016-06-20 23:16:28 +020092 select HUSH_PARSER
Adam Ford58dbf862018-02-06 07:58:59 -060093 select SUPPORT_RAW_INITRD
Michal Simek7e7ba3b2018-07-23 15:55:15 +020094 select SYS_LONGHELP
95 imply CMD_MII if NET
Alexander Grafa90e5822018-10-18 09:33:03 +020096 imply USB_STORAGE
Michal Simek7e7ba3b2018-07-23 15:55:15 +020097 imply USE_BOOTCOMMAND
Hans de Goedef99c5cb2016-06-20 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 Ford58dbf862018-02-06 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 Fried99826612018-08-14 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. Woodseb730bd2018-01-22 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 Glass838723b2015-02-11 16:32:59 -0700133config SYS_MALLOC_F
134 bool "Enable malloc() pool before relocation"
Masahiro Yamadac6988242015-03-19 19:42:55 +0900135 default y if DM
Simon Glassb24fdd42018-12-03 04:37:17 -0700136
Simon Glass838723b2015-02-11 16:32:59 -0700137 help
Robert P. J. Day2f845be2016-04-16 05:53:07 -0400138 Before relocation, memory is very limited on many platforms. Still,
Simon Glass838723b2015-02-11 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 Simons4e335c32018-04-12 18:09:58 +0200146 default 0x1000 if AM33XX
Simon Glassb24fdd42018-12-03 04:37:17 -0700147 default 0x2800 if SANDBOX
Fabio Estevam88b1c7d2019-05-03 14:05:04 -0300148 default 0x2000 if (ARCH_IMX8 || ARCH_IMX8M || ARCH_MX7 || \
149 ARCH_MX7ULP || ARCH_MX6 || ARCH_MX5)
Simon Glass838723b2015-02-11 16:32:59 -0700150 default 0x400
151 help
Robert P. J. Day2f845be2016-04-16 05:53:07 -0400152 Before relocation, memory is very limited on many platforms. Still,
Simon Glass838723b2015-02-11 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 Paladugu9adb5262018-07-20 15:11:38 +0530157config SYS_MALLOC_LEN
158 hex "Define memory for Dynamic allocation"
Kever Yangbafd02f2019-08-19 15:01:24 +0800159 depends on ARCH_ZYNQ || ARCH_VERSAL || ARCH_STM32MP || ARCH_ROCKCHIP
160 default 0x2000000 if ARCH_ROCKCHIP
Siva Durga Prasad Paladugu9adb5262018-07-20 15:11:38 +0530161 help
162 This defines memory to be allocated for Dynamic allocation
163 TODO: Use for other architectures
164
Andy Yan1fa20e4d2017-07-24 17:43:34 +0800165config SPL_SYS_MALLOC_F_LEN
Michal Simek0601c1b2018-07-24 14:47:43 +0200166 hex "Size of malloc() pool in SPL before relocation"
167 depends on SYS_MALLOC_F
Marek Vasute39fa7d2018-10-03 12:44:13 +0200168 default 0x2800 if RCAR_GEN3
Michal Simek0601c1b2018-07-24 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 Tomsich10139352017-07-28 11:06:03 +0200175
176config TPL_SYS_MALLOC_F_LEN
Michal Simek0601c1b2018-07-24 14:47:43 +0200177 hex "Size of malloc() pool in TPL before relocation"
178 depends on SYS_MALLOC_F
179 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 Yan1fa20e4d2017-07-24 17:43:34 +0800185
Tom Rinia50d5b52014-11-14 09:34:29 +0100186menuconfig EXPERT
Przemyslaw Marczak88436782015-03-04 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. Day2f845be2016-04-16 05:53:07 -0400193 Use this only if you really know what you are doing.
Przemyslaw Marczak88436782015-03-04 14:01:24 +0100194
195if 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.
Tom Rinia50d5b52014-11-14 09:34:29 +0100204
Przemyslaw Marczak88436782015-03-04 14:01:24 +0100205 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. Day2f845be2016-04-16 05:53:07 -0400210 should be replaced by calloc - if one expects zeroed memory.
Simon Glass86a64492016-06-30 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. Daye4829f32017-01-02 16:32:13 -0500220endif # EXPERT
Masahiro Yamada653e9fe2016-07-25 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 Packham2b52a242019-01-13 22:13:19 +1300227 large physical address extension on 32bit SoCs.
Masahiro Yamada653e9fe2016-07-25 19:56:03 +0900228
Heinrich Schuchardtae284492017-10-16 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 Roesee915cbc2019-04-03 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"
242 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 Tekiaee9ed32019-01-18 12:52:49 +0530248config BUILD_TARGET
249 string "Build target special images"
Dalon Westergreen8fb280c2019-03-20 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 Siachb6a4fc02019-02-07 13:21:16 +0200252 default "u-boot-spl.kwb" if ARCH_MVEBU && SPL
Jagan Tekiaee9ed32019-01-18 12:52:49 +0530253 default "u-boot-elf.srec" if RCAR_GEN3
Jagan Tekid5dcf782019-06-20 15:37:40 +0530254 default "u-boot.itb" if SPL_LOAD_FIT && (ROCKCHIP_RK3399 || ARCH_SUNXI)
Chris Packhamdcb51012019-01-18 20:46:43 +1300255 default "u-boot.kwb" if KIRKWOOD
Stefan Roesee915cbc2019-04-03 15:24:50 +0200256 default "u-boot-with-spl.bin" if ARCH_AT91 && SPL_NAND_SUPPORT
Jagan Tekiaee9ed32019-01-18 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 Rinie478f702019-06-02 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 Yamada9eeddf22014-11-26 18:42:31 +0900281endmenu # General setup
282
Masahiro Yamada6ea06e62014-08-22 19:42:27 +0900283menu "Boot images"
284
Tom Rinib5bf5622017-08-25 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 Yamadaa7fa7462014-11-13 19:29:06 +0900292config FIT
293 bool "Support Flattened Image Tree"
Andre Przywara84763302017-03-15 01:19:06 +0000294 select MD5
Tom Rini5bdd9192017-05-15 12:17:49 -0400295 select SHA1
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900296 help
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500297 This option allows you to boot the new uImage structure,
Masahiro Yamadaa7fa7462014-11-13 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 Grinberge40176b2015-08-26 17:54:45 +0300301 pass the address of the blob to the "bootm" command.
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700302 FIT is very flexible, supporting compression, multiple images,
303 multiple configurations, verification through hashing and also
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500304 verified boot (secure boot using RSA).
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900305
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500306if FIT
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900307
Peng Fana5f184f2018-11-20 10:19:11 +0000308config FIT_EXTERNAL_OFFSET
Ibai Erkiagadadde502019-05-15 22:10:04 +0100309 hex "FIT external data offset"
Peng Fana5f184f2018-11-20 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 Rinicc54a102017-05-15 12:17:48 -0400318config FIT_ENABLE_SHA256_SUPPORT
319 bool "Support SHA256 checksum of FIT image contents"
320 default y
Michal Simek7e7ba3b2018-07-23 15:55:15 +0200321 select SHA256
Tom Rinicc54a102017-05-15 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 Yamadaa7fa7462014-11-13 19:29:06 +0900332config FIT_SIGNATURE
Ruchika Gupta2c3822e2015-01-23 16:01:51 +0530333 bool "Enable signature verification of FIT uImages"
Chris Kuetheb58cf4f2015-02-04 19:16:14 -0800334 depends on DM
Kelvin Cheungc6189b52018-05-02 18:07:18 +0800335 select HASH
Michal Simek7e7ba3b2018-07-23 15:55:15 +0200336 select RSA
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900337 help
338 This option enables signature verification of FIT uImages,
gaurav ranaef201592015-02-20 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. Daye4829f32017-01-02 16:32:13 -0500341 hashing is available using hardware, then the RSA library will use
Simon Glasse3ee2fb2016-02-22 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 Rinic220bd92019-05-23 07:14:07 -0400348 CONFIG_LEGACY_IMAGE_FORMAT.
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700349
Teddy Reede6a47832018-06-09 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 Reynes47d73f02018-11-14 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. Daye4829f32017-01-02 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 Reed5021e3c2016-06-09 19:18:44 -0700375
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700376config FIT_BEST_MATCH
377 bool "Select the best match for the kernel device tree"
Simon Glasse3ee2fb2016-02-22 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. Daye4829f32017-01-02 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 Glasse3ee2fb2016-02-22 22:55:43 -0700388 help
Robert P. J. Daye4829f32017-01-02 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 Rinidf7576b2017-05-22 14:15:16 -0400399if SPL
400
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500401config SPL_FIT
402 bool "Support Flattened Image Tree within SPL"
403 depends on SPL
Andre Przywarad28fda22017-04-26 01:32:38 +0100404 select SPL_OF_LIBFDT
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500405
Marek Vasut9f2e0eb2018-05-13 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. Daye4829f32017-01-02 16:32:13 -0500412config SPL_FIT_SIGNATURE
413 bool "Enable signature verification of FIT firmware within SPL"
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500414 depends on SPL_DM
Andre Przywarad28fda22017-04-26 01:32:38 +0100415 select SPL_FIT
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500416 select SPL_RSA
417
418config SPL_LOAD_FIT
Marek Vasutd10b0a02019-05-25 22:53:42 +0200419 bool "Enable SPL loading U-Boot as a FIT (basic fitImage features)"
Andre Przywarad28fda22017-04-26 01:32:38 +0100420 select SPL_FIT
Robert P. J. Daye4829f32017-01-02 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 Vasut06623372018-05-13 00:23:17 +0200429config SPL_LOAD_FIT_FULL
Marek Vasutd10b0a02019-05-25 22:53:42 +0200430 bool "Enable SPL loading U-Boot as a FIT (full fitImage features)"
Marek Vasut06623372018-05-13 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. Daye4829f32017-01-02 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.comd1659de2017-10-02 13:42:55 +0000442 depends on SPL_LOAD_FIT
Robert P. J. Daye4829f32017-01-02 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 Przywara0f6456d2017-04-26 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 Przywarad8362162017-04-26 01:32:48 +0100465 default "board/sunxi/mksunxi_fit_atf.sh" if SPL_LOAD_FIT && ARCH_SUNXI
Jagan Tekidb5e44f2019-05-08 11:11:42 +0530466 default "arch/arm/mach-rockchip/make_fit_atf.py" if SPL_LOAD_FIT && ARCH_ROCKCHIP
Andre Przywara0f6456d2017-04-26 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 Rinidf7576b2017-05-22 14:15:16 -0400473endif # SPL
474
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500475endif # FIT
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700476
Tom Rinic220bd92019-05-23 07:14:07 -0400477config LEGACY_IMAGE_FORMAT
Alex Kiernan0419a9b2018-04-20 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 Glasse3ee2fb2016-02-22 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 Yamadaa7fa7462014-11-13 19:29:06 +0900515
Masahiro Yamada804bc5e2014-07-30 14:08:15 +0900516config SYS_EXTRA_OPTIONS
517 string "Extra Options (DEPRECATED)"
Masahiro Yamada804bc5e2014-07-30 14:08:15 +0900518 help
519 The old configuration infrastructure (= mkconfig + boards.cfg)
Masahiro Yamadaf3e12b72014-09-16 16:32:58 +0900520 provided the extra options field. If you have something like
Masahiro Yamada804bc5e2014-07-30 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 Yamadac02a3272014-10-30 15:30:58 +0900529config SYS_TEXT_BASE
Tom Rini07edfae2018-02-03 12:10:38 -0500530 depends on !NIOS2 && !XTENSA
Ben Stoltzb7e41242015-08-04 12:33:41 -0600531 depends on !EFI_APP
Lokesh Vutla9bdec002018-08-27 15:57:08 +0530532 default 0x80800000 if ARCH_OMAP2PLUS || ARCH_K3
Andre Przywara5e0560c2018-03-03 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 Yamadac02a3272014-10-30 15:30:58 +0900536 hex "Text Base"
537 help
Tom Rini07edfae2018-02-03 12:10:38 -0500538 The address in memory that U-Boot will be running from, initially.
Masahiro Yamadac02a3272014-10-30 15:30:58 +0900539
Adam Ford384e5262017-07-28 08:32:52 -0500540
Andreas Dannenberg67aaa6d2016-07-27 12:12:39 -0500541
Alexey Brodkin693744a2015-01-13 18:49:01 +0300542config SYS_CLK_FREQ
Mario Sixd10f3182019-01-21 09:17:53 +0100543 depends on ARC || ARCH_SUNXI || MPC83xx
Alexey Brodkin693744a2015-01-13 18:49:01 +0300544 int "CPU clock frequency"
545 help
546 TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture
547
Masahiro Yamadaf6aa39e2016-11-26 11:02:10 +0900548config ARCH_FIXUP_FDT_MEMORY
549 bool "Enable arch_fixup_memory_banks() call"
Michal Simek8ff86892016-07-28 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 Yamada6ea06e62014-08-22 19:42:27 +0900556endmenu # Boot images
Masahiro Yamada804bc5e2014-07-30 14:08:15 +0900557
Emmanuel Vadotaa020992017-01-31 12:17:04 +0100558source "api/Kconfig"
559
Masahiro Yamadaf3e12b72014-09-16 16:32:58 +0900560source "common/Kconfig"
561
Simon Glass29499a02016-01-17 20:53:51 -0700562source "cmd/Kconfig"
563
Patrick Delaunaydc280602017-01-27 11:00:35 +0100564source "disk/Kconfig"
565
Masahiro Yamada9fadbc82014-09-22 19:59:05 +0900566source "dts/Kconfig"
567
Simon Glass547cb402017-08-03 12:21:49 -0600568source "env/Kconfig"
569
Masahiro Yamadaf3e12b72014-09-16 16:32:58 +0900570source "net/Kconfig"
571
572source "drivers/Kconfig"
573
574source "fs/Kconfig"
575
576source "lib/Kconfig"
Simon Glass9dd430d2015-02-05 21:41:37 -0700577
578source "test/Kconfig"