blob: b390c481fcf3c8aa8fcffaea1d8718b2f70b6288 [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#
Tom Rini40f11702020-03-11 18:11:17 -04006mainmenu "U-Boot $(UBOOTVERSION) Configuration"
Masahiro Yamada804bc5e2014-07-30 14:08:15 +09007
Tom Rini99985942020-05-18 14:48:00 -04008comment "Compiler: $(CC_VERSION_TEXT)"
9
Tom Rini8f1be322020-05-14 08:30:01 -040010source "scripts/Kconfig.include"
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
Tom Rini5cbb29e2020-05-14 08:30:07 -040069config OPTIMIZE_INLINING
Tom Riniea55ba02020-05-14 08:30:08 -040070 bool "Allow compiler to uninline functions marked 'inline' in full U-Boot"
71 default n
72 help
73 This option determines if U-Boot forces gcc to inline the functions
74 developers have marked 'inline'. Doing so takes away freedom from gcc to
75 do what it thinks is best, which is desirable in some cases for size
76 reasons.
77
78config SPL_OPTIMIZE_INLINING
79 bool "Allow compiler to uninline functions marked 'inline' in SPL"
80 depends on SPL
81 default n
82 help
83 This option determines if U-Boot forces gcc to inline the functions
84 developers have marked 'inline'. Doing so takes away freedom from gcc to
85 do what it thinks is best, which is desirable in some cases for size
86 reasons.
87
88config TPL_OPTIMIZE_INLINING
89 bool "Allow compiler to uninline functions marked 'inline' in TPL"
90 depends on TPL
Tom Rini5cbb29e2020-05-14 08:30:07 -040091 default n
92 help
93 This option determines if U-Boot forces gcc to inline the functions
94 developers have marked 'inline'. Doing so takes away freedom from gcc to
95 do what it thinks is best, which is desirable in some cases for size
96 reasons.
97
Christian Gmeiner0e7c0712018-04-09 17:11:45 +020098config CC_COVERAGE
99 bool "Enable code coverage analysis"
100 depends on SANDBOX
101 help
102 Enabling this option will pass "--coverage" to gcc to compile
103 and link code instrumented for coverage analysis.
104
Tom Rini7c34ae42020-05-14 08:30:06 -0400105config CC_HAS_ASM_INLINE
106 def_bool $(success,echo 'void foo(void) { asm inline (""); }' | $(CC) -x c - -c -o /dev/null)
107
Hans de Goedef99c5cb2016-06-20 23:16:28 +0200108config DISTRO_DEFAULTS
109 bool "Select defaults suitable for booting general purpose Linux distributions"
Michal Simek7e7ba3b2018-07-23 15:55:15 +0200110 select AUTO_COMPLETE
111 select CMDLINE_EDITING
Masahiro Yamada04cf1552016-08-12 08:31:16 -0400112 select CMD_BOOTI if ARM64
Michal Simek7e7ba3b2018-07-23 15:55:15 +0200113 select CMD_BOOTZ if ARM && !ARM64
Joe Hershberger1c657e92018-04-13 15:26:31 -0500114 select CMD_DHCP if CMD_NET
Masahiro Yamadae4ce7952018-04-25 19:16:48 +0900115 select CMD_ENV_EXISTS
Hans de Goedef99c5cb2016-06-20 23:16:28 +0200116 select CMD_EXT2
117 select CMD_EXT4
118 select CMD_FAT
119 select CMD_FS_GENERIC
Tom Rini732aa4a2018-02-10 16:54:38 -0500120 select CMD_PART if PARTITIONS
Michal Simek7e7ba3b2018-07-23 15:55:15 +0200121 select CMD_PING if CMD_NET
122 select CMD_PXE if NET
Patrice Chotard7b81c052019-11-25 09:07:38 +0100123 select CMD_SYSBOOT
Michal Simek7e7ba3b2018-07-23 15:55:15 +0200124 select ENV_VARS_UBOOT_CONFIG
Hans de Goedef99c5cb2016-06-20 23:16:28 +0200125 select HUSH_PARSER
Adam Ford58dbf862018-02-06 07:58:59 -0600126 select SUPPORT_RAW_INITRD
Michal Simek7e7ba3b2018-07-23 15:55:15 +0200127 select SYS_LONGHELP
128 imply CMD_MII if NET
Alexander Grafa90e5822018-10-18 09:33:03 +0200129 imply USB_STORAGE
Michal Simek7e7ba3b2018-07-23 15:55:15 +0200130 imply USE_BOOTCOMMAND
Hans de Goedef99c5cb2016-06-20 23:16:28 +0200131 help
132 Select this to enable various options and commands which are suitable
133 for building u-boot for booting general purpose Linux distributions.
134
Adam Ford58dbf862018-02-06 07:58:59 -0600135config ENV_VARS_UBOOT_CONFIG
136 bool "Add arch, board, vendor and soc variables to default environment"
137 help
138 Define this in order to add variables describing the
139 U-Boot build configuration to the default environment.
140 These will be named arch, cpu, board, vendor, and soc.
141 Enabling this option will cause the following to be defined:
142 - CONFIG_SYS_ARCH
143 - CONFIG_SYS_CPU
144 - CONFIG_SYS_BOARD
145 - CONFIG_SYS_VENDOR
146 - CONFIG_SYS_SOC
147
Ramon Fried99826612018-08-14 01:00:04 +0300148config NR_DRAM_BANKS
149 int "Number of DRAM banks"
Amit Singh Tomar82704fa2020-04-19 19:28:34 +0530150 default 1 if ARCH_SUNXI || ARCH_OWL
Ramon Fried99826612018-08-14 01:00:04 +0300151 default 4
152 help
153 This defines the number of DRAM banks.
154
Derald D. Woodseb730bd2018-01-22 17:17:10 -0600155config SYS_BOOT_GET_CMDLINE
156 bool "Enable kernel command line setup"
157 help
158 Enables allocating and saving kernel cmdline in space between
159 "bootm_low" and "bootm_low" + BOOTMAPSZ.
160
161config SYS_BOOT_GET_KBD
162 bool "Enable kernel board information setup"
163 help
164 Enables allocating and saving a kernel copy of the bd_info in
165 space between "bootm_low" and "bootm_low" + BOOTMAPSZ.
166
Simon Glass838723b2015-02-11 16:32:59 -0700167config SYS_MALLOC_F
168 bool "Enable malloc() pool before relocation"
Masahiro Yamadac6988242015-03-19 19:42:55 +0900169 default y if DM
Simon Glassb24fdd42018-12-03 04:37:17 -0700170
Simon Glass838723b2015-02-11 16:32:59 -0700171 help
Robert P. J. Day2f845be2016-04-16 05:53:07 -0400172 Before relocation, memory is very limited on many platforms. Still,
Simon Glass838723b2015-02-11 16:32:59 -0700173 we can provide a small malloc() pool if needed. Driver model in
174 particular needs this to operate, so that it can allocate the
175 initial serial device and any others that are needed.
176
177config SYS_MALLOC_F_LEN
178 hex "Size of malloc() pool before relocation"
179 depends on SYS_MALLOC_F
Sjoerd Simons4e335c32018-04-12 18:09:58 +0200180 default 0x1000 if AM33XX
Simon Glassb24fdd42018-12-03 04:37:17 -0700181 default 0x2800 if SANDBOX
Fabio Estevam88b1c7d2019-05-03 14:05:04 -0300182 default 0x2000 if (ARCH_IMX8 || ARCH_IMX8M || ARCH_MX7 || \
Biwen Li9dc4bbe2019-12-31 15:33:40 +0800183 ARCH_MX7ULP || ARCH_MX6 || ARCH_MX5 || \
184 ARCH_LS1012A || ARCH_LS1021A || ARCH_LS1043A || \
Heinrich Schuchardt936fa702020-06-07 11:54:00 +0200185 ARCH_LS1046A || ARCH_QEMU)
Simon Glass838723b2015-02-11 16:32:59 -0700186 default 0x400
187 help
Robert P. J. Day2f845be2016-04-16 05:53:07 -0400188 Before relocation, memory is very limited on many platforms. Still,
Simon Glass838723b2015-02-11 16:32:59 -0700189 we can provide a small malloc() pool if needed. Driver model in
190 particular needs this to operate, so that it can allocate the
191 initial serial device and any others that are needed.
192
Siva Durga Prasad Paladugu9adb5262018-07-20 15:11:38 +0530193config SYS_MALLOC_LEN
194 hex "Define memory for Dynamic allocation"
Kever Yangbafd02f2019-08-19 15:01:24 +0800195 depends on ARCH_ZYNQ || ARCH_VERSAL || ARCH_STM32MP || ARCH_ROCKCHIP
196 default 0x2000000 if ARCH_ROCKCHIP
Siva Durga Prasad Paladugu9adb5262018-07-20 15:11:38 +0530197 help
198 This defines memory to be allocated for Dynamic allocation
199 TODO: Use for other architectures
200
Andy Yan1fa20e4d2017-07-24 17:43:34 +0800201config SPL_SYS_MALLOC_F_LEN
Michal Simek0601c1b2018-07-24 14:47:43 +0200202 hex "Size of malloc() pool in SPL before relocation"
Adam Ford43a1e2d2019-08-13 14:32:30 -0500203 depends on SYS_MALLOC_F && SPL
Marek Vasute39fa7d2018-10-03 12:44:13 +0200204 default 0x2800 if RCAR_GEN3
Michal Simek0601c1b2018-07-24 14:47:43 +0200205 default SYS_MALLOC_F_LEN
206 help
207 Before relocation, memory is very limited on many platforms. Still,
208 we can provide a small malloc() pool if needed. Driver model in
209 particular needs this to operate, so that it can allocate the
210 initial serial device and any others that are needed.
Philipp Tomsich10139352017-07-28 11:06:03 +0200211
212config TPL_SYS_MALLOC_F_LEN
Michal Simek0601c1b2018-07-24 14:47:43 +0200213 hex "Size of malloc() pool in TPL before relocation"
Adam Ford43a1e2d2019-08-13 14:32:30 -0500214 depends on SYS_MALLOC_F && TPL
Michal Simek0601c1b2018-07-24 14:47:43 +0200215 default SYS_MALLOC_F_LEN
216 help
217 Before relocation, memory is very limited on many platforms. Still,
218 we can provide a small malloc() pool if needed. Driver model in
219 particular needs this to operate, so that it can allocate the
220 initial serial device and any others that are needed.
Andy Yan1fa20e4d2017-07-24 17:43:34 +0800221
Tom Rinia50d5b52014-11-14 09:34:29 +0100222menuconfig EXPERT
Przemyslaw Marczak88436782015-03-04 14:01:24 +0100223 bool "Configure standard U-Boot features (expert users)"
224 default y
225 help
226 This option allows certain base U-Boot options and settings
227 to be disabled or tweaked. This is for specialized
228 environments which can tolerate a "non-standard" U-Boot.
Robert P. J. Day2f845be2016-04-16 05:53:07 -0400229 Use this only if you really know what you are doing.
Przemyslaw Marczak88436782015-03-04 14:01:24 +0100230
231if EXPERT
232 config SYS_MALLOC_CLEAR_ON_INIT
233 bool "Init with zeros the memory reserved for malloc (slow)"
234 default y
235 help
236 This setting is enabled by default. The reserved malloc
237 memory is initialized with zeros, so first malloc calls
238 will return the pointer to the zeroed memory. But this
239 slows the boot time.
Tom Rinia50d5b52014-11-14 09:34:29 +0100240
Przemyslaw Marczak88436782015-03-04 14:01:24 +0100241 It is recommended to disable it, when CONFIG_SYS_MALLOC_LEN
242 value, has more than few MiB, e.g. when uses bzip2 or bmp logo.
243 Then the boot time can be significantly reduced.
244 Warning:
245 When disabling this, please check if malloc calls, maybe
Robert P. J. Day2f845be2016-04-16 05:53:07 -0400246 should be replaced by calloc - if one expects zeroed memory.
Simon Glass86a64492016-06-30 10:52:20 -0600247
Marek Bykowskib4032a72020-04-29 18:23:07 +0200248config SYS_MALLOC_DEFAULT_TO_INIT
249 bool "Default malloc to init while reserving the memory for it"
250 default n
251 help
252 It may happen that one needs to move the dynamic allocation
253 from one to another memory range, eg. when moving the malloc
254 from the limited static to a potentially large dynamic (DDR)
255 memory.
256
257 If so then on top of setting the updated memory aside one
258 needs to bring the malloc init.
259
260 If such a scenario is sought choose yes.
261
Simon Glass86a64492016-06-30 10:52:20 -0600262config TOOLS_DEBUG
263 bool "Enable debug information for tools"
264 help
265 Enable generation of debug information for tools such as mkimage.
266 This can be used for debugging purposes. With debug information
267 it is possible to set breakpoints on particular lines, single-step
268 debug through the source code, etc.
269
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500270endif # EXPERT
Masahiro Yamada653e9fe2016-07-25 19:56:03 +0900271
272config PHYS_64BIT
273 bool "64bit physical address support"
274 help
275 Say Y here to support 64bit physical memory address.
276 This can be used not only for 64bit SoCs, but also for
Chris Packham2b52a242019-01-13 22:13:19 +1300277 large physical address extension on 32bit SoCs.
Masahiro Yamada653e9fe2016-07-25 19:56:03 +0900278
Simon Glassf69c0092020-07-19 13:55:52 -0600279config HAS_ROM
280 bool
281 select BINMAN
282 help
283 Enables building of a u-boot.rom target. This collects U-Boot and
284 any necessary binary blobs.
285
286config ROM_NEEDS_BLOBS
287 bool
288 depends on HAS_ROM
289 help
290 Enable this if building the u-boot.rom target needs binary blobs, and
291 so cannot be done normally. In this case, pass BUILD_ROM=1 to make
292 to tell U-Boot to build the ROM.
293
Heinrich Schuchardtae284492017-10-16 18:08:38 +0000294config BUILD_ROM
295 bool "Build U-Boot as BIOS replacement"
Simon Glassf69c0092020-07-19 13:55:52 -0600296 depends on HAS_ROM
297 default y if !ROM_NEEDS_BLOBS
Heinrich Schuchardtae284492017-10-16 18:08:38 +0000298 help
299 This option allows to build a ROM version of U-Boot.
300 The build process generally requires several binary blobs
301 which are not shipped in the U-Boot source tree.
Patrick Delaunayf0d01a52020-02-28 15:18:11 +0100302 Please, see doc/arch/x86.rst for details.
Heinrich Schuchardtae284492017-10-16 18:08:38 +0000303
Stefan Roesee915cbc2019-04-03 15:24:50 +0200304config SPL_IMAGE
305 string "SPL image used in the combined SPL+U-Boot image"
306 default "spl/boot.bin" if ARCH_AT91 && SPL_NAND_SUPPORT
307 default "spl/u-boot-spl.bin"
Adam Ford43a1e2d2019-08-13 14:32:30 -0500308 depends on SPL
Stefan Roesee915cbc2019-04-03 15:24:50 +0200309 help
310 Select the SPL build target that shall be generated by the SPL
311 build process (default spl/u-boot-spl.bin). This image will be
312 used to generate a combined image with SPL and main U-Boot
313 proper as one single image.
314
Jagan Tekiaee9ed32019-01-18 12:52:49 +0530315config BUILD_TARGET
316 string "Build target special images"
Dalon Westergreen8fb280c2019-03-20 13:15:21 -0700317 default "u-boot-with-spl.sfp" if TARGET_SOCFPGA_ARRIA10
318 default "u-boot-with-spl.sfp" if TARGET_SOCFPGA_GEN5
Baruch Siachb6a4fc02019-02-07 13:21:16 +0200319 default "u-boot-spl.kwb" if ARCH_MVEBU && SPL
Jagan Tekiaee9ed32019-01-18 12:52:49 +0530320 default "u-boot-elf.srec" if RCAR_GEN3
Kever Yangc3762182019-10-17 12:08:34 -0700321 default "u-boot.itb" if SPL_LOAD_FIT && (ARCH_ROCKCHIP || \
Michal Simeka7178b72019-10-02 15:55:57 +0200322 ARCH_SUNXI || RISCV || ARCH_ZYNQMP)
Trevor Woernerbb7ab072020-05-06 08:02:40 -0400323 default "u-boot.kwb" if ARCH_KIRKWOOD
Stefan Roesee915cbc2019-04-03 15:24:50 +0200324 default "u-boot-with-spl.bin" if ARCH_AT91 && SPL_NAND_SUPPORT
Stefan Roese98b2f412019-09-20 18:09:10 +0200325 default "u-boot-with-spl.imx" if ARCH_MX6 && SPL
Jagan Tekiaee9ed32019-01-18 12:52:49 +0530326 help
327 Some SoCs need special image types (e.g. U-Boot binary
328 with a special header) as build targets. By defining
329 CONFIG_BUILD_TARGET in the SoC / board header, this
330 special image will be automatically built upon calling
331 make / buildman.
332
Tom Rinie478f702019-06-02 08:57:32 -0400333config SYS_CUSTOM_LDSCRIPT
334 bool "Use a custom location for the U-Boot linker script"
335 help
336 Normally when linking U-Boot we will look in the board directory,
337 the CPU directory and finally the "cpu" directory of the architecture
338 for the ile "u-boot.lds" and use that as our linker. However, in
339 some cases we need to provide a different linker script. To do so,
340 enable this option and then provide the location under
341 CONFIG_SYS_LDSCRIPT.
342
343config SYS_LDSCRIPT
344 depends on SYS_CUSTOM_LDSCRIPT
345 string "Custom ldscript location"
346 help
347 Path within the source tree to the linker script to use for the
348 main U-Boot binary.
349
Simon Goldschmidt9c055112019-10-22 21:29:46 +0200350config ERR_PTR_OFFSET
351 hex
352 default 0x0
353 help
354 Some U-Boot pointers have redundant information, so we can use a
355 scheme where we can return either an error code or a pointer with the
356 same return value. The default implementation just casts the pointer
357 to a number, however, this may fail on platforms where the end of the
358 address range is used for valid pointers (e.g. 0xffffff00 is a valid
359 heap pointer in socfpga SPL).
360 For such platforms, this value provides an upper range of those error
361 pointer values - up to 'MAX_ERRNO' bytes below this value must be
362 unused/invalid addresses.
363
Michal Simek5d458a12020-03-30 13:58:59 +0200364config PLATFORM_ELFENTRY
365 string
366 default "__start" if MIPS
367 default "_start"
368
Masahiro Yamada9eeddf22014-11-26 18:42:31 +0900369endmenu # General setup
370
Masahiro Yamada6ea06e62014-08-22 19:42:27 +0900371menu "Boot images"
372
Tom Rinib5bf5622017-08-25 17:50:27 -0400373config ANDROID_BOOT_IMAGE
374 bool "Enable support for Android Boot Images"
375 default y if FASTBOOT
376 help
377 This enables support for booting images which use the Android
378 image format header.
379
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900380config FIT
381 bool "Support Flattened Image Tree"
Andre Przywara84763302017-03-15 01:19:06 +0000382 select MD5
Tom Rini5bdd9192017-05-15 12:17:49 -0400383 select SHA1
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900384 help
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500385 This option allows you to boot the new uImage structure,
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900386 Flattened Image Tree. FIT is formally a FDT, which can include
387 images of various types (kernel, FDT blob, ramdisk, etc.)
388 in a single blob. To boot this new uImage structure,
Igor Grinberge40176b2015-08-26 17:54:45 +0300389 pass the address of the blob to the "bootm" command.
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700390 FIT is very flexible, supporting compression, multiple images,
391 multiple configurations, verification through hashing and also
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500392 verified boot (secure boot using RSA).
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900393
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500394if FIT
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900395
Peng Fana5f184f2018-11-20 10:19:11 +0000396config FIT_EXTERNAL_OFFSET
Ibai Erkiagadadde502019-05-15 22:10:04 +0100397 hex "FIT external data offset"
Peng Fana5f184f2018-11-20 10:19:11 +0000398 default 0x0
399 help
400 This specifies a data offset in fit image.
401 The offset is from data payload offset to the beginning of
402 fit image header. When specifies a offset, specific data
403 could be put in the hole between data payload and fit image
404 header, such as CSF data on i.MX platform.
405
Tom Rinicc54a102017-05-15 12:17:48 -0400406config FIT_ENABLE_SHA256_SUPPORT
407 bool "Support SHA256 checksum of FIT image contents"
408 default y
Michal Simek7e7ba3b2018-07-23 15:55:15 +0200409 select SHA256
Tom Rinicc54a102017-05-15 12:17:48 -0400410 help
411 Enable this to support SHA256 checksum of FIT image contents. A
412 SHA256 checksum is a 256-bit (32-byte) hash value used to check that
Reuben Dowle1908fd92020-04-16 17:36:52 +1200413 the image contents have not been corrupted.
414
415config FIT_ENABLE_SHA384_SUPPORT
416 bool "Support SHA384 checksum of FIT image contents"
417 default n
418 select SHA384
419 help
420 Enable this to support SHA384 checksum of FIT image contents. A
421 SHA384 checksum is a 384-bit (48-byte) hash value used to check that
422 the image contents have not been corrupted. Use this for the highest
423 security.
424
425config FIT_ENABLE_SHA512_SUPPORT
426 bool "Support SHA512 checksum of FIT image contents"
427 default n
428 select SHA512
429 help
430 Enable this to support SHA512 checksum of FIT image contents. A
431 SHA512 checksum is a 512-bit (64-byte) hash value used to check that
432 the image contents have not been corrupted.
Tom Rinicc54a102017-05-15 12:17:48 -0400433
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900434config FIT_SIGNATURE
Ruchika Gupta2c3822e2015-01-23 16:01:51 +0530435 bool "Enable signature verification of FIT uImages"
Chris Kuetheb58cf4f2015-02-04 19:16:14 -0800436 depends on DM
Kelvin Cheungc6189b52018-05-02 18:07:18 +0800437 select HASH
Michal Simek7e7ba3b2018-07-23 15:55:15 +0200438 select RSA
AKASHI Takahiro2223c7d2020-02-21 15:12:55 +0900439 select RSA_VERIFY
440 select IMAGE_SIGN_INFO
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900441 help
442 This option enables signature verification of FIT uImages,
gaurav ranaef201592015-02-20 12:51:46 +0530443 using a hash signed and verified using RSA. If
444 CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500445 hashing is available using hardware, then the RSA library will use
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700446 it. See doc/uImage.FIT/signature.txt for more details.
447
448 WARNING: When relying on signed FIT images with a required signature
449 check the legacy image format is disabled by default, so that
450 unsigned images cannot be loaded. If a board needs the legacy image
451 format support in this case, enable it using
Tom Rinic220bd92019-05-23 07:14:07 -0400452 CONFIG_LEGACY_IMAGE_FORMAT.
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700453
Teddy Reede6a47832018-06-09 11:38:05 -0400454config FIT_SIGNATURE_MAX_SIZE
455 hex "Max size of signed FIT structures"
456 depends on FIT_SIGNATURE
457 default 0x10000000
458 help
459 This option sets a max size in bytes for verified FIT uImages.
460 A sane value of 256MB protects corrupted DTB structures from overlapping
461 device memory. Assure this size does not extend past expected storage
462 space.
463
Philippe Reynes47d73f02018-11-14 13:51:01 +0100464config FIT_ENABLE_RSASSA_PSS_SUPPORT
465 bool "Support rsassa-pss signature scheme of FIT image contents"
466 depends on FIT_SIGNATURE
467 default n
468 help
469 Enable this to support the pss padding algorithm as described
470 in the rfc8017 (https://tools.ietf.org/html/rfc8017).
471
Philippe Reynes3148e422019-12-18 18:25:41 +0100472config FIT_CIPHER
473 bool "Enable ciphering data in a FIT uImages"
474 depends on DM
475 select AES
476 help
477 Enable the feature of data ciphering/unciphering in the tool mkimage
478 and in the u-boot support of the FIT image.
479
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500480config FIT_VERBOSE
481 bool "Show verbose messages when FIT images fail"
482 help
483 Generally a system will have valid FIT images so debug messages
484 are a waste of code space. If you are debugging your images then
485 you can enable this option to get more verbose information about
486 failures.
Teddy Reed5021e3c2016-06-09 19:18:44 -0700487
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700488config FIT_BEST_MATCH
489 bool "Select the best match for the kernel device tree"
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700490 help
491 When no configuration is explicitly selected, default to the
492 one whose fdt's compatibility field best matches that of
493 U-Boot itself. A match is considered "best" if it matches the
494 most specific compatibility entry of U-Boot's fdt's root node.
495 The order of entries in the configuration's fdt is ignored.
496
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500497config FIT_IMAGE_POST_PROCESS
498 bool "Enable post-processing of FIT artifacts after loading by U-Boot"
499 depends on TI_SECURE_DEVICE
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700500 help
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500501 Allows doing any sort of manipulation to blobs after they got extracted
502 from FIT images like stripping off headers or modifying the size of the
503 blob, verification, authentication, decryption etc. in a platform or
504 board specific way. In order to use this feature a platform or board-
505 specific implementation of board_fit_image_post_process() must be
506 provided. Also, anything done during this post-processing step would
507 need to be comprehended in how the images were prepared before being
508 injected into the FIT creation (i.e. the blobs would have been pre-
509 processed before being added to the FIT image).
510
Tom Rinidf7576b2017-05-22 14:15:16 -0400511if SPL
512
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500513config SPL_FIT
514 bool "Support Flattened Image Tree within SPL"
515 depends on SPL
Andre Przywarad28fda22017-04-26 01:32:38 +0100516 select SPL_OF_LIBFDT
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500517
Marek Vasut9f2e0eb2018-05-13 00:22:52 +0200518config SPL_FIT_PRINT
519 bool "Support FIT printing within SPL"
520 depends on SPL_FIT
521 help
522 Support printing the content of the fitImage in a verbose manner in SPL.
523
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500524config SPL_FIT_SIGNATURE
525 bool "Enable signature verification of FIT firmware within SPL"
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500526 depends on SPL_DM
Andre Przywarad28fda22017-04-26 01:32:38 +0100527 select SPL_FIT
Heiko Stuebner4cc72352020-06-18 16:23:28 +0200528 select SPL_CRYPTO_SUPPORT
Heiko Stuebner034345d2020-06-18 16:23:27 +0200529 select SPL_HASH_SUPPORT
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500530 select SPL_RSA
AKASHI Takahiro2223c7d2020-02-21 15:12:55 +0900531 select SPL_RSA_VERIFY
Heinrich Schuchardte52bd932020-04-15 18:46:21 +0200532 select SPL_IMAGE_SIGN_INFO
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500533
534config SPL_LOAD_FIT
Marek Vasutd10b0a02019-05-25 22:53:42 +0200535 bool "Enable SPL loading U-Boot as a FIT (basic fitImage features)"
Andre Przywarad28fda22017-04-26 01:32:38 +0100536 select SPL_FIT
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500537 help
538 Normally with the SPL framework a legacy image is generated as part
539 of the build. This contains U-Boot along with information as to
540 where it should be loaded. This option instead enables generation
541 of a FIT (Flat Image Tree) which provides more flexibility. In
542 particular it can handle selecting from multiple device tree
543 and passing the correct one to U-Boot.
544
Peng Fanfe5c1832020-07-06 15:35:00 +0800545config SPL_LOAD_FIT_ADDRESS
546 hex "load address of fit image"
547 depends on SPL_LOAD_FIT
548 default 0x0
549 help
550 Specify the load address of the fit image that will be loaded
551 by SPL.
552
Michal Simekbf703df2019-10-22 16:39:11 +0200553config SPL_LOAD_FIT_APPLY_OVERLAY
554 bool "Enable SPL applying DT overlays from FIT"
555 depends on SPL_LOAD_FIT
556 select OF_LIBFDT_OVERLAY
557 help
558 The device tree is loaded from the FIT image. Allow the SPL is to
559 also load device-tree overlays from the FIT image an apply them
560 over the device tree.
561
Jean-Jacques Hiblot0da58152019-10-22 16:39:13 +0200562config SPL_LOAD_FIT_APPLY_OVERLAY_BUF_SZ
563 depends on SPL_LOAD_FIT_APPLY_OVERLAY
564 default 0x10000
565 hex "size of temporary buffer used to load the overlays"
566 help
567 The size of the area where the overlays will be loaded and
568 uncompress. Must be at least as large as biggest overlay
569 (uncompressed)
570
Marek Vasut06623372018-05-13 00:23:17 +0200571config SPL_LOAD_FIT_FULL
Marek Vasutd10b0a02019-05-25 22:53:42 +0200572 bool "Enable SPL loading U-Boot as a FIT (full fitImage features)"
Marek Vasut06623372018-05-13 00:23:17 +0200573 select SPL_FIT
574 help
575 Normally with the SPL framework a legacy image is generated as part
576 of the build. This contains U-Boot along with information as to
577 where it should be loaded. This option instead enables generation
578 of a FIT (Flat Image Tree) which provides more flexibility. In
579 particular it can handle selecting from multiple device tree
580 and passing the correct one to U-Boot.
581
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500582config SPL_FIT_IMAGE_POST_PROCESS
583 bool "Enable post-processing of FIT artifacts after loading by the SPL"
ext-vasily.gurevich@vaisala.comd1659de2017-10-02 13:42:55 +0000584 depends on SPL_LOAD_FIT
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500585 help
586 Allows doing any sort of manipulation to blobs after they got extracted
587 from the U-Boot FIT image like stripping off headers or modifying the
588 size of the blob, verification, authentication, decryption etc. in a
589 platform or board specific way. In order to use this feature a platform
590 or board-specific implementation of board_fit_image_post_process() must
591 be provided. Also, anything done during this post-processing step would
592 need to be comprehended in how the images were prepared before being
593 injected into the FIT creation (i.e. the blobs would have been pre-
594 processed before being added to the FIT image).
595
Andre Przywara0f6456d2017-04-26 01:32:45 +0100596config SPL_FIT_SOURCE
597 string ".its source file for U-Boot FIT image"
598 depends on SPL_FIT
599 help
600 Specifies a (platform specific) FIT source file to generate the
601 U-Boot FIT image. This could specify further image to load and/or
602 execute.
603
604config SPL_FIT_GENERATOR
605 string ".its file generator script for U-Boot FIT image"
606 depends on SPL_FIT
Andre Przywarad8362162017-04-26 01:32:48 +0100607 default "board/sunxi/mksunxi_fit_atf.sh" if SPL_LOAD_FIT && ARCH_SUNXI
Jagan Tekidb5e44f2019-05-08 11:11:42 +0530608 default "arch/arm/mach-rockchip/make_fit_atf.py" if SPL_LOAD_FIT && ARCH_ROCKCHIP
Michal Simeka7178b72019-10-02 15:55:57 +0200609 default "arch/arm/mach-zynqmp/mkimage_fit_atf.sh" if SPL_LOAD_FIT && ARCH_ZYNQMP
Lukas Auer982fba62019-08-21 21:14:48 +0200610 default "arch/riscv/lib/mkimage_fit_opensbi.sh" if SPL_LOAD_FIT && RISCV
Andre Przywara0f6456d2017-04-26 01:32:45 +0100611 help
612 Specifies a (platform specific) script file to generate the FIT
613 source file used to build the U-Boot FIT image file. This gets
614 passed a list of supported device tree file stub names to
615 include in the generated image.
616
Tom Rinidf7576b2017-05-22 14:15:16 -0400617endif # SPL
618
Robert P. J. Daye4829f32017-01-02 16:32:13 -0500619endif # FIT
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700620
Tom Rinic220bd92019-05-23 07:14:07 -0400621config LEGACY_IMAGE_FORMAT
Alex Kiernan0419a9b2018-04-20 21:25:38 +0000622 bool "Enable support for the legacy image format"
623 default y if !FIT_SIGNATURE
624 help
625 This option enables the legacy image format. It is enabled by
626 default for backward compatibility, unless FIT_SIGNATURE is
627 set where it is disabled so that unsigned images cannot be
628 loaded. If a board needs the legacy image format support in this
629 case, enable it here.
630
Simon Glasse3ee2fb2016-02-22 22:55:43 -0700631config OF_BOARD_SETUP
632 bool "Set up board-specific details in device tree before boot"
633 depends on OF_LIBFDT
634 help
635 This causes U-Boot to call ft_board_setup() before booting into
636 the Operating System. This function can set up various
637 board-specific information in the device tree for use by the OS.
638 The device tree is then passed to the OS.
639
640config OF_SYSTEM_SETUP
641 bool "Set up system-specific details in device tree before boot"
642 depends on OF_LIBFDT
643 help
644 This causes U-Boot to call ft_system_setup() before booting into
645 the Operating System. This function can set up various
646 system-specific information in the device tree for use by the OS.
647 The device tree is then passed to the OS.
648
649config OF_STDOUT_VIA_ALIAS
650 bool "Update the device-tree stdout alias from U-Boot"
651 depends on OF_LIBFDT
652 help
653 This uses U-Boot's serial alias from the aliases node to update
654 the device tree passed to the OS. The "linux,stdout-path" property
655 in the chosen node is set to point to the correct serial node.
656 This option currently references CONFIG_CONS_INDEX, which is
657 incorrect when used with device tree as this option does not
658 exist / should not be used.
Masahiro Yamadaa7fa7462014-11-13 19:29:06 +0900659
Masahiro Yamada804bc5e2014-07-30 14:08:15 +0900660config SYS_EXTRA_OPTIONS
661 string "Extra Options (DEPRECATED)"
Masahiro Yamada804bc5e2014-07-30 14:08:15 +0900662 help
663 The old configuration infrastructure (= mkconfig + boards.cfg)
Masahiro Yamadaf3e12b72014-09-16 16:32:58 +0900664 provided the extra options field. If you have something like
Masahiro Yamada804bc5e2014-07-30 14:08:15 +0900665 "HAS_BAR,BAZ=64", the optional options
666 #define CONFIG_HAS
667 #define CONFIG_BAZ 64
668 will be defined in include/config.h.
669 This option was prepared for the smooth migration from the old
670 configuration to Kconfig. Since this option will be removed sometime,
671 new boards should not use this option.
672
Simon Glass20af0ff2019-12-06 21:42:29 -0700673config HAVE_SYS_TEXT_BASE
674 bool
Tom Rini07edfae2018-02-03 12:10:38 -0500675 depends on !NIOS2 && !XTENSA
Ben Stoltzb7e41242015-08-04 12:33:41 -0600676 depends on !EFI_APP
Simon Glass20af0ff2019-12-06 21:42:29 -0700677 default y
678
679config SYS_TEXT_BASE
680 depends on HAVE_SYS_TEXT_BASE
Lokesh Vutla9bdec002018-08-27 15:57:08 +0530681 default 0x80800000 if ARCH_OMAP2PLUS || ARCH_K3
Andre Przywara5e0560c2018-03-03 23:49:02 +0000682 default 0x4a000000 if ARCH_SUNXI && !MACH_SUN9I && !MACH_SUN8I_V3S
683 default 0x2a000000 if ARCH_SUNXI && MACH_SUN9I
684 default 0x42e00000 if ARCH_SUNXI && MACH_SUN8I_V3S
Masahiro Yamadac02a3272014-10-30 15:30:58 +0900685 hex "Text Base"
686 help
Tom Rini07edfae2018-02-03 12:10:38 -0500687 The address in memory that U-Boot will be running from, initially.
Masahiro Yamadac02a3272014-10-30 15:30:58 +0900688
Alexey Brodkin693744a2015-01-13 18:49:01 +0300689config SYS_CLK_FREQ
Mario Sixd10f3182019-01-21 09:17:53 +0100690 depends on ARC || ARCH_SUNXI || MPC83xx
Alexey Brodkin693744a2015-01-13 18:49:01 +0300691 int "CPU clock frequency"
692 help
693 TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture
694
Masahiro Yamadaf6aa39e2016-11-26 11:02:10 +0900695config ARCH_FIXUP_FDT_MEMORY
696 bool "Enable arch_fixup_memory_banks() call"
Michal Simek8ff86892016-07-28 09:06:41 +0200697 default y
698 help
699 Enable FDT memory map syncup before OS boot. This feature can be
700 used for booting OS with different memory setup where the part of
701 the memory location should be used for different purpose.
702
Masahiro Yamada6ea06e62014-08-22 19:42:27 +0900703endmenu # Boot images
Masahiro Yamada804bc5e2014-07-30 14:08:15 +0900704
Emmanuel Vadotaa020992017-01-31 12:17:04 +0100705source "api/Kconfig"
706
Masahiro Yamadaf3e12b72014-09-16 16:32:58 +0900707source "common/Kconfig"
708
Simon Glass29499a02016-01-17 20:53:51 -0700709source "cmd/Kconfig"
710
Patrick Delaunaydc280602017-01-27 11:00:35 +0100711source "disk/Kconfig"
712
Masahiro Yamada9fadbc82014-09-22 19:59:05 +0900713source "dts/Kconfig"
714
Simon Glass547cb402017-08-03 12:21:49 -0600715source "env/Kconfig"
716
Masahiro Yamadaf3e12b72014-09-16 16:32:58 +0900717source "net/Kconfig"
718
719source "drivers/Kconfig"
720
721source "fs/Kconfig"
722
723source "lib/Kconfig"
Simon Glass9dd430d2015-02-05 21:41:37 -0700724
725source "test/Kconfig"