xref: /openbmc/u-boot/Kconfig (revision 8a9dc16e4d07d29fff08b7caca36f0865065f7f7)
1 51631259SMasahiro Yamada#
2 51631259SMasahiro Yamada# For a description of the syntax of this configuration file,
3 59d7c34bSRobert P. J. Day# see the file Documentation/kbuild/kconfig-language.txt in the
4 59d7c34bSRobert P. J. Day# Linux kernel source tree.
5 51631259SMasahiro Yamada#
6 51631259SMasahiro Yamadamainmenu "U-Boot $UBOOTVERSION Configuration"
7 51631259SMasahiro Yamada
8 51631259SMasahiro Yamadaconfig UBOOTVERSION
9 51631259SMasahiro Yamada	string
10 51631259SMasahiro Yamada	option env="UBOOTVERSION"
11 51631259SMasahiro Yamada
12 66afaef2SSimon Glass# Allow defaults in arch-specific code to override any given here
13 66afaef2SSimon Glasssource "arch/Kconfig"
14 66afaef2SSimon Glass
15 51631259SMasahiro Yamadamenu "General setup"
16 51631259SMasahiro Yamada
17 4c7a2110SHeinrich Schuchardtconfig BROKEN
18 4c7a2110SHeinrich Schuchardt	bool
19 4c7a2110SHeinrich Schuchardt	help
20 4c7a2110SHeinrich Schuchardt	  This option cannot be enabled. It is used as dependency
21 4c7a2110SHeinrich Schuchardt	  for broken and incomplete features.
22 4c7a2110SHeinrich Schuchardt
23 e91c3c33SMasahiro Yamadaconfig LOCALVERSION
24 e91c3c33SMasahiro Yamada	string "Local version - append to U-Boot release"
25 e91c3c33SMasahiro Yamada	help
26 e91c3c33SMasahiro Yamada	  Append an extra string to the end of your U-Boot version.
27 59d7c34bSRobert P. J. Day	  This will show up in your boot log, for example.
28 e91c3c33SMasahiro Yamada	  The string you set here will be appended after the contents of
29 e91c3c33SMasahiro Yamada	  any files with a filename matching localversion* in your
30 e91c3c33SMasahiro Yamada	  object and source tree, in that order.  Your total string can
31 e91c3c33SMasahiro Yamada	  be a maximum of 64 characters.
32 e91c3c33SMasahiro Yamada
33 e91c3c33SMasahiro Yamadaconfig LOCALVERSION_AUTO
34 e91c3c33SMasahiro Yamada	bool "Automatically append version information to the version string"
35 e91c3c33SMasahiro Yamada	default y
36 e91c3c33SMasahiro Yamada	help
37 e91c3c33SMasahiro Yamada	  This will try to automatically determine if the current tree is a
38 59d7c34bSRobert P. J. Day	  release tree by looking for Git tags that belong to the current
39 e91c3c33SMasahiro Yamada	  top of tree revision.
40 e91c3c33SMasahiro Yamada
41 e91c3c33SMasahiro Yamada	  A string of the format -gxxxxxxxx will be added to the localversion
42 59d7c34bSRobert P. J. Day	  if a Git-based tree is found.  The string generated by this will be
43 e91c3c33SMasahiro Yamada	  appended after any matching localversion* files, and after the value
44 e91c3c33SMasahiro Yamada	  set in CONFIG_LOCALVERSION.
45 e91c3c33SMasahiro Yamada
46 e91c3c33SMasahiro Yamada	  (The actual string used here is the first eight characters produced
47 e91c3c33SMasahiro Yamada	  by running the command:
48 e91c3c33SMasahiro Yamada
49 e91c3c33SMasahiro Yamada	    $ git rev-parse --verify HEAD
50 e91c3c33SMasahiro Yamada
51 e91c3c33SMasahiro Yamada	  which is done within the script "scripts/setlocalversion".)
52 e91c3c33SMasahiro Yamada
53 4a8ed8e2SMasahiro Yamadaconfig CC_OPTIMIZE_FOR_SIZE
54 4a8ed8e2SMasahiro Yamada	bool "Optimize for size"
55 4a8ed8e2SMasahiro Yamada	default y
56 4a8ed8e2SMasahiro Yamada	help
57 4a8ed8e2SMasahiro Yamada	  Enabling this option will pass "-Os" instead of "-O2" to gcc
58 4a8ed8e2SMasahiro Yamada	  resulting in a smaller U-Boot image.
59 4a8ed8e2SMasahiro Yamada
60 4a8ed8e2SMasahiro Yamada	  This option is enabled by default for U-Boot.
61 4a8ed8e2SMasahiro Yamada
62 52ff8020SChristian Gmeinerconfig CC_COVERAGE
63 52ff8020SChristian Gmeiner	bool "Enable code coverage analysis"
64 52ff8020SChristian Gmeiner	depends on SANDBOX
65 52ff8020SChristian Gmeiner	help
66 52ff8020SChristian Gmeiner	  Enabling this option will pass "--coverage" to gcc to compile
67 52ff8020SChristian Gmeiner	  and link code instrumented for coverage analysis.
68 52ff8020SChristian Gmeiner
69 9f823615SHans de Goedeconfig DISTRO_DEFAULTS
70 9f823615SHans de Goede	bool "Select defaults suitable for booting general purpose Linux distributions"
71 b6251db8STom Rini	imply USE_BOOTCOMMAND
72 a391d500STom Rini	select CMD_BOOTZ if ARM && !ARM64
73 26959271SMasahiro Yamada	select CMD_BOOTI if ARM64
74 ba628855SJoe Hershberger	select CMD_DHCP if CMD_NET
75 ba628855SJoe Hershberger	select CMD_PING if CMD_NET
76 092f2f35SJoe Hershberger	select CMD_PXE if NET
77 c4f66832SMasahiro Yamada	select CMD_ENV_EXISTS
78 9f823615SHans de Goede	select CMD_EXT2
79 9f823615SHans de Goede	select CMD_EXT4
80 9f823615SHans de Goede	select CMD_FAT
81 9f823615SHans de Goede	select CMD_FS_GENERIC
82 3b3ea2c5SMichal Simek	imply CMD_MII if NET
83 fa2c1467STom Rini	select CMD_PART if PARTITIONS
84 9f823615SHans de Goede	select HUSH_PARSER
85 d021e942SAdam Ford	select CMDLINE_EDITING
86 d021e942SAdam Ford	select AUTO_COMPLETE
87 d021e942SAdam Ford	select SYS_LONGHELP
88 d021e942SAdam Ford	select SUPPORT_RAW_INITRD
89 d021e942SAdam Ford	select ENV_VARS_UBOOT_CONFIG
90 9f823615SHans de Goede	help
91 9f823615SHans de Goede	  Select this to enable various options and commands which are suitable
92 9f823615SHans de Goede	  for building u-boot for booting general purpose Linux distributions.
93 9f823615SHans de Goede
94 d021e942SAdam Fordconfig ENV_VARS_UBOOT_CONFIG
95 d021e942SAdam Ford	bool "Add arch, board, vendor and soc variables to default environment"
96 d021e942SAdam Ford	help
97 d021e942SAdam Ford	  Define this in order to add variables describing the
98 d021e942SAdam Ford	  U-Boot build configuration to the default environment.
99 d021e942SAdam Ford	  These will be named arch, cpu, board, vendor, and soc.
100 d021e942SAdam Ford	  Enabling this option will cause the following to be defined:
101 d021e942SAdam Ford	  - CONFIG_SYS_ARCH
102 d021e942SAdam Ford	  - CONFIG_SYS_CPU
103 d021e942SAdam Ford	  - CONFIG_SYS_BOARD
104 d021e942SAdam Ford	  - CONFIG_SYS_VENDOR
105 d021e942SAdam Ford	  - CONFIG_SYS_SOC
106 d021e942SAdam Ford
107 405fc830SDerald D. Woodsconfig SYS_BOOT_GET_CMDLINE
108 405fc830SDerald D. Woods	bool "Enable kernel command line setup"
109 405fc830SDerald D. Woods	help
110 405fc830SDerald D. Woods	  Enables allocating and saving kernel cmdline in space between
111 405fc830SDerald D. Woods	  "bootm_low" and "bootm_low" + BOOTMAPSZ.
112 405fc830SDerald D. Woods
113 405fc830SDerald D. Woodsconfig SYS_BOOT_GET_KBD
114 405fc830SDerald D. Woods	bool "Enable kernel board information setup"
115 405fc830SDerald D. Woods	help
116 405fc830SDerald D. Woods	  Enables allocating and saving a kernel copy of the bd_info in
117 405fc830SDerald D. Woods	  space between "bootm_low" and "bootm_low" + BOOTMAPSZ.
118 405fc830SDerald D. Woods
119 b724bd7dSSimon Glassconfig SYS_MALLOC_F
120 b724bd7dSSimon Glass	bool "Enable malloc() pool before relocation"
121 326a6823SMasahiro Yamada	default y if DM
122 b724bd7dSSimon Glass	help
123 59d7c34bSRobert P. J. Day	  Before relocation, memory is very limited on many platforms. Still,
124 b724bd7dSSimon Glass	  we can provide a small malloc() pool if needed. Driver model in
125 b724bd7dSSimon Glass	  particular needs this to operate, so that it can allocate the
126 b724bd7dSSimon Glass	  initial serial device and any others that are needed.
127 b724bd7dSSimon Glass
128 b724bd7dSSimon Glassconfig SYS_MALLOC_F_LEN
129 b724bd7dSSimon Glass	hex "Size of malloc() pool before relocation"
130 b724bd7dSSimon Glass	depends on SYS_MALLOC_F
131 90e407aeSSjoerd Simons	default 0x1000 if AM33XX
132 b724bd7dSSimon Glass	default 0x400
133 b724bd7dSSimon Glass	help
134 59d7c34bSRobert P. J. Day	  Before relocation, memory is very limited on many platforms. Still,
135 b724bd7dSSimon Glass	  we can provide a small malloc() pool if needed. Driver model in
136 b724bd7dSSimon Glass	  particular needs this to operate, so that it can allocate the
137 b724bd7dSSimon Glass	  initial serial device and any others that are needed.
138 b724bd7dSSimon Glass
139 f1896c45SAndy Yanconfig SPL_SYS_MALLOC_F_LEN
140 ae2cee2eSPhilipp Tomsich        hex "Size of malloc() pool in SPL before relocation"
141 ae2cee2eSPhilipp Tomsich        depends on SYS_MALLOC_F
142 ae2cee2eSPhilipp Tomsich        default SYS_MALLOC_F_LEN
143 ae2cee2eSPhilipp Tomsich        help
144 ae2cee2eSPhilipp Tomsich          Before relocation, memory is very limited on many platforms. Still,
145 ae2cee2eSPhilipp Tomsich          we can provide a small malloc() pool if needed. Driver model in
146 ae2cee2eSPhilipp Tomsich          particular needs this to operate, so that it can allocate the
147 ae2cee2eSPhilipp Tomsich          initial serial device and any others that are needed.
148 ae2cee2eSPhilipp Tomsich
149 ae2cee2eSPhilipp Tomsichconfig TPL_SYS_MALLOC_F_LEN
150 ae2cee2eSPhilipp Tomsich        hex "Size of malloc() pool in TPL before relocation"
151 f1896c45SAndy Yan        depends on SYS_MALLOC_F
152 f1896c45SAndy Yan        default SYS_MALLOC_F_LEN
153 f1896c45SAndy Yan        help
154 f1896c45SAndy Yan          Before relocation, memory is very limited on many platforms. Still,
155 f1896c45SAndy Yan          we can provide a small malloc() pool if needed. Driver model in
156 f1896c45SAndy Yan          particular needs this to operate, so that it can allocate the
157 f1896c45SAndy Yan          initial serial device and any others that are needed.
158 f1896c45SAndy Yan
159 1bf0979fSTom Rinimenuconfig EXPERT
160 1bf0979fSTom Rini	bool "Configure standard U-Boot features (expert users)"
161 0aa8a4adSPrzemyslaw Marczak	default y
162 1bf0979fSTom Rini	help
163 1bf0979fSTom Rini	  This option allows certain base U-Boot options and settings
164 1bf0979fSTom Rini	  to be disabled or tweaked. This is for specialized
165 1bf0979fSTom Rini	  environments which can tolerate a "non-standard" U-Boot.
166 59d7c34bSRobert P. J. Day	  Use this only if you really know what you are doing.
167 1bf0979fSTom Rini
168 0aa8a4adSPrzemyslaw Marczakif EXPERT
169 0aa8a4adSPrzemyslaw Marczak	config SYS_MALLOC_CLEAR_ON_INIT
170 0aa8a4adSPrzemyslaw Marczak	bool "Init with zeros the memory reserved for malloc (slow)"
171 0aa8a4adSPrzemyslaw Marczak	default y
172 0aa8a4adSPrzemyslaw Marczak	help
173 0aa8a4adSPrzemyslaw Marczak	  This setting is enabled by default. The reserved malloc
174 0aa8a4adSPrzemyslaw Marczak	  memory is initialized with zeros, so first malloc calls
175 0aa8a4adSPrzemyslaw Marczak	  will return the pointer to the zeroed memory. But this
176 0aa8a4adSPrzemyslaw Marczak	  slows the boot time.
177 0aa8a4adSPrzemyslaw Marczak
178 0aa8a4adSPrzemyslaw Marczak	  It is recommended to disable it, when CONFIG_SYS_MALLOC_LEN
179 0aa8a4adSPrzemyslaw Marczak	  value, has more than few MiB, e.g. when uses bzip2 or bmp logo.
180 0aa8a4adSPrzemyslaw Marczak	  Then the boot time can be significantly reduced.
181 0aa8a4adSPrzemyslaw Marczak	  Warning:
182 0aa8a4adSPrzemyslaw Marczak	  When disabling this, please check if malloc calls, maybe
183 59d7c34bSRobert P. J. Day	  should be replaced by calloc - if one expects zeroed memory.
184 022885cbSSimon Glass
185 022885cbSSimon Glassconfig TOOLS_DEBUG
186 022885cbSSimon Glass	bool "Enable debug information for tools"
187 022885cbSSimon Glass	help
188 022885cbSSimon Glass	  Enable generation of debug information for tools such as mkimage.
189 022885cbSSimon Glass	  This can be used for debugging purposes. With debug information
190 022885cbSSimon Glass	  it is possible to set breakpoints on particular lines, single-step
191 022885cbSSimon Glass	  debug through the source code, etc.
192 022885cbSSimon Glass
193 266aa86bSRobert P. J. Dayendif # EXPERT
194 bb6b142fSMasahiro Yamada
195 bb6b142fSMasahiro Yamadaconfig PHYS_64BIT
196 bb6b142fSMasahiro Yamada	bool "64bit physical address support"
197 bb6b142fSMasahiro Yamada	help
198 bb6b142fSMasahiro Yamada	  Say Y here to support 64bit physical memory address.
199 bb6b142fSMasahiro Yamada	  This can be used not only for 64bit SoCs, but also for
200 bb6b142fSMasahiro Yamada	  large physical address extention on 32bit SoCs.
201 bb6b142fSMasahiro Yamada
202 871aa41dSHeinrich Schuchardtconfig BUILD_ROM
203 871aa41dSHeinrich Schuchardt	bool "Build U-Boot as BIOS replacement"
204 871aa41dSHeinrich Schuchardt	depends on X86
205 871aa41dSHeinrich Schuchardt	help
206 871aa41dSHeinrich Schuchardt	  This option allows to build a ROM version of U-Boot.
207 871aa41dSHeinrich Schuchardt	  The build process generally requires several binary blobs
208 871aa41dSHeinrich Schuchardt	  which are not shipped in the U-Boot source tree.
209 871aa41dSHeinrich Schuchardt	  Please, see doc/README.x86 for details.
210 871aa41dSHeinrich Schuchardt
211 40ad4c4bSMasahiro Yamadaendmenu		# General setup
212 40ad4c4bSMasahiro Yamada
213 e91c3c33SMasahiro Yamadamenu "Boot images"
214 e91c3c33SMasahiro Yamada
215 48f6232eSTom Riniconfig ANDROID_BOOT_IMAGE
216 48f6232eSTom Rini	bool "Enable support for Android Boot Images"
217 48f6232eSTom Rini	default y if FASTBOOT
218 48f6232eSTom Rini	help
219 48f6232eSTom Rini	  This enables support for booting images which use the Android
220 48f6232eSTom Rini	  image format header.
221 48f6232eSTom Rini
222 b6cf4439SMasahiro Yamadaconfig FIT
223 b6cf4439SMasahiro Yamada	bool "Support Flattened Image Tree"
224 aeb9c53cSAndre Przywara	select MD5
225 089df18bSTom Rini	select SHA1
226 b6cf4439SMasahiro Yamada	help
227 266aa86bSRobert P. J. Day	  This option allows you to boot the new uImage structure,
228 b6cf4439SMasahiro Yamada	  Flattened Image Tree.  FIT is formally a FDT, which can include
229 b6cf4439SMasahiro Yamada	  images of various types (kernel, FDT blob, ramdisk, etc.)
230 b6cf4439SMasahiro Yamada	  in a single blob.  To boot this new uImage structure,
231 1f9ac4a4SIgor Grinberg	  pass the address of the blob to the "bootm" command.
232 73223f0eSSimon Glass	  FIT is very flexible, supporting compression, multiple images,
233 73223f0eSSimon Glass	  multiple configurations, verification through hashing and also
234 266aa86bSRobert P. J. Day	  verified boot (secure boot using RSA).
235 b6cf4439SMasahiro Yamada
236 266aa86bSRobert P. J. Dayif FIT
237 b6cf4439SMasahiro Yamada
238 0db7f685STom Riniconfig FIT_ENABLE_SHA256_SUPPORT
239 0db7f685STom Rini	bool "Support SHA256 checksum of FIT image contents"
240 089df18bSTom Rini	select SHA256
241 0db7f685STom Rini	default y
242 0db7f685STom Rini	help
243 0db7f685STom Rini	  Enable this to support SHA256 checksum of FIT image contents. A
244 0db7f685STom Rini	  SHA256 checksum is a 256-bit (32-byte) hash value used to check that
245 0db7f685STom Rini	  the image contents have not been corrupted. SHA256 is recommended
246 0db7f685STom Rini	  for use in secure applications since (as at 2016) there is no known
247 0db7f685STom Rini	  feasible attack that could produce a 'collision' with differing
248 0db7f685STom Rini	  input data. Use this for the highest security. Note that only the
249 0db7f685STom Rini	  SHA256 variant is supported: SHA512 and others are not currently
250 0db7f685STom Rini	  supported in U-Boot.
251 0db7f685STom Rini
252 b6cf4439SMasahiro Yamadaconfig FIT_SIGNATURE
253 c4beb22fSRuchika Gupta	bool "Enable signature verification of FIT uImages"
254 9009798dSChris Kuethe	depends on DM
255 c4beb22fSRuchika Gupta	select RSA
256 535adee8SKelvin Cheung	select HASH
257 b6cf4439SMasahiro Yamada	help
258 b6cf4439SMasahiro Yamada	  This option enables signature verification of FIT uImages,
259 94e3c8c4Sgaurav rana	  using a hash signed and verified using RSA. If
260 94e3c8c4Sgaurav rana	  CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive
261 266aa86bSRobert P. J. Day	  hashing is available using hardware, then the RSA library will use
262 73223f0eSSimon Glass	  it. See doc/uImage.FIT/signature.txt for more details.
263 73223f0eSSimon Glass
264 73223f0eSSimon Glass	  WARNING: When relying on signed FIT images with a required signature
265 73223f0eSSimon Glass	  check the legacy image format is disabled by default, so that
266 73223f0eSSimon Glass	  unsigned images cannot be loaded. If a board needs the legacy image
267 73223f0eSSimon Glass	  format support in this case, enable it using
268 73223f0eSSimon Glass	  CONFIG_IMAGE_FORMAT_LEGACY.
269 73223f0eSSimon Glass
270 266aa86bSRobert P. J. Dayconfig FIT_VERBOSE
271 266aa86bSRobert P. J. Day	bool "Show verbose messages when FIT images fail"
272 266aa86bSRobert P. J. Day	help
273 266aa86bSRobert P. J. Day	  Generally a system will have valid FIT images so debug messages
274 266aa86bSRobert P. J. Day	  are a waste of code space. If you are debugging your images then
275 266aa86bSRobert P. J. Day	  you can enable this option to get more verbose information about
276 266aa86bSRobert P. J. Day	  failures.
277 51c14cd1STeddy Reed
278 73223f0eSSimon Glassconfig FIT_BEST_MATCH
279 73223f0eSSimon Glass	bool "Select the best match for the kernel device tree"
280 73223f0eSSimon Glass	help
281 73223f0eSSimon Glass	  When no configuration is explicitly selected, default to the
282 73223f0eSSimon Glass	  one whose fdt's compatibility field best matches that of
283 73223f0eSSimon Glass	  U-Boot itself. A match is considered "best" if it matches the
284 73223f0eSSimon Glass	  most specific compatibility entry of U-Boot's fdt's root node.
285 73223f0eSSimon Glass	  The order of entries in the configuration's fdt is ignored.
286 73223f0eSSimon Glass
287 266aa86bSRobert P. J. Dayconfig FIT_IMAGE_POST_PROCESS
288 266aa86bSRobert P. J. Day	bool "Enable post-processing of FIT artifacts after loading by U-Boot"
289 266aa86bSRobert P. J. Day	depends on TI_SECURE_DEVICE
290 73223f0eSSimon Glass	help
291 266aa86bSRobert P. J. Day	  Allows doing any sort of manipulation to blobs after they got extracted
292 266aa86bSRobert P. J. Day	  from FIT images like stripping off headers or modifying the size of the
293 266aa86bSRobert P. J. Day	  blob, verification, authentication, decryption etc. in a platform or
294 266aa86bSRobert P. J. Day	  board specific way. In order to use this feature a platform or board-
295 266aa86bSRobert P. J. Day	  specific implementation of board_fit_image_post_process() must be
296 266aa86bSRobert P. J. Day	  provided. Also, anything done during this post-processing step would
297 266aa86bSRobert P. J. Day	  need to be comprehended in how the images were prepared before being
298 266aa86bSRobert P. J. Day	  injected into the FIT creation (i.e. the blobs would have been pre-
299 266aa86bSRobert P. J. Day	  processed before being added to the FIT image).
300 266aa86bSRobert P. J. Day
301 71139113STom Riniif SPL
302 71139113STom Rini
303 266aa86bSRobert P. J. Dayconfig SPL_FIT
304 266aa86bSRobert P. J. Day	bool "Support Flattened Image Tree within SPL"
305 266aa86bSRobert P. J. Day	depends on SPL
306 85c07a5aSAndre Przywara	select SPL_OF_LIBFDT
307 266aa86bSRobert P. J. Day
308 b527b9c6SMarek Vasutconfig SPL_FIT_PRINT
309 b527b9c6SMarek Vasut	bool "Support FIT printing within SPL"
310 b527b9c6SMarek Vasut	depends on SPL_FIT
311 b527b9c6SMarek Vasut	help
312 b527b9c6SMarek Vasut	  Support printing the content of the fitImage in a verbose manner in SPL.
313 b527b9c6SMarek Vasut
314 266aa86bSRobert P. J. Dayconfig SPL_FIT_SIGNATURE
315 266aa86bSRobert P. J. Day	bool "Enable signature verification of FIT firmware within SPL"
316 266aa86bSRobert P. J. Day	depends on SPL_DM
317 85c07a5aSAndre Przywara	select SPL_FIT
318 266aa86bSRobert P. J. Day	select SPL_RSA
319 266aa86bSRobert P. J. Day
320 266aa86bSRobert P. J. Dayconfig SPL_LOAD_FIT
321 266aa86bSRobert P. J. Day	bool "Enable SPL loading U-Boot as a FIT"
322 85c07a5aSAndre Przywara	select SPL_FIT
323 266aa86bSRobert P. J. Day	help
324 266aa86bSRobert P. J. Day	  Normally with the SPL framework a legacy image is generated as part
325 266aa86bSRobert P. J. Day	  of the build. This contains U-Boot along with information as to
326 266aa86bSRobert P. J. Day	  where it should be loaded. This option instead enables generation
327 266aa86bSRobert P. J. Day	  of a FIT (Flat Image Tree) which provides more flexibility. In
328 266aa86bSRobert P. J. Day	  particular it can handle selecting from multiple device tree
329 266aa86bSRobert P. J. Day	  and passing the correct one to U-Boot.
330 266aa86bSRobert P. J. Day
331 *8a9dc16eSMarek Vasutconfig SPL_LOAD_FIT_FULL
332 *8a9dc16eSMarek Vasut	bool "Enable SPL loading U-Boot as a FIT"
333 *8a9dc16eSMarek Vasut	select SPL_FIT
334 *8a9dc16eSMarek Vasut	help
335 *8a9dc16eSMarek Vasut	  Normally with the SPL framework a legacy image is generated as part
336 *8a9dc16eSMarek Vasut	  of the build. This contains U-Boot along with information as to
337 *8a9dc16eSMarek Vasut	  where it should be loaded. This option instead enables generation
338 *8a9dc16eSMarek Vasut	  of a FIT (Flat Image Tree) which provides more flexibility. In
339 *8a9dc16eSMarek Vasut	  particular it can handle selecting from multiple device tree
340 *8a9dc16eSMarek Vasut	  and passing the correct one to U-Boot.
341 *8a9dc16eSMarek Vasut
342 266aa86bSRobert P. J. Dayconfig SPL_FIT_IMAGE_POST_PROCESS
343 266aa86bSRobert P. J. Day	bool "Enable post-processing of FIT artifacts after loading by the SPL"
344 c12d8b7dSext-vasily.gurevich@vaisala.com	depends on SPL_LOAD_FIT
345 266aa86bSRobert P. J. Day	help
346 266aa86bSRobert P. J. Day	  Allows doing any sort of manipulation to blobs after they got extracted
347 266aa86bSRobert P. J. Day	  from the U-Boot FIT image like stripping off headers or modifying the
348 266aa86bSRobert P. J. Day	  size of the blob, verification, authentication, decryption etc. in a
349 266aa86bSRobert P. J. Day	  platform or board specific way. In order to use this feature a platform
350 266aa86bSRobert P. J. Day	  or board-specific implementation of board_fit_image_post_process() must
351 266aa86bSRobert P. J. Day	  be provided. Also, anything done during this post-processing step would
352 266aa86bSRobert P. J. Day	  need to be comprehended in how the images were prepared before being
353 266aa86bSRobert P. J. Day	  injected into the FIT creation (i.e. the blobs would have been pre-
354 266aa86bSRobert P. J. Day	  processed before being added to the FIT image).
355 266aa86bSRobert P. J. Day
356 1a12fdc4SAndre Przywaraconfig SPL_FIT_SOURCE
357 1a12fdc4SAndre Przywara	string ".its source file for U-Boot FIT image"
358 1a12fdc4SAndre Przywara	depends on SPL_FIT
359 1a12fdc4SAndre Przywara	help
360 1a12fdc4SAndre Przywara	  Specifies a (platform specific) FIT source file to generate the
361 1a12fdc4SAndre Przywara	  U-Boot FIT image. This could specify further image to load and/or
362 1a12fdc4SAndre Przywara	  execute.
363 1a12fdc4SAndre Przywara
364 1a12fdc4SAndre Przywaraconfig SPL_FIT_GENERATOR
365 1a12fdc4SAndre Przywara	string ".its file generator script for U-Boot FIT image"
366 1a12fdc4SAndre Przywara	depends on SPL_FIT
367 d29adf8eSAndre Przywara	default "board/sunxi/mksunxi_fit_atf.sh" if SPL_LOAD_FIT && ARCH_SUNXI
368 1a12fdc4SAndre Przywara	help
369 1a12fdc4SAndre Przywara	  Specifies a (platform specific) script file to generate the FIT
370 1a12fdc4SAndre Przywara	  source file used to build the U-Boot FIT image file. This gets
371 1a12fdc4SAndre Przywara	  passed a list of supported device tree file stub names to
372 1a12fdc4SAndre Przywara	  include in the generated image.
373 1a12fdc4SAndre Przywara
374 71139113STom Riniendif # SPL
375 71139113STom Rini
376 266aa86bSRobert P. J. Dayendif # FIT
377 73223f0eSSimon Glass
378 002c3234SAlex Kiernanconfig IMAGE_FORMAT_LEGACY
379 002c3234SAlex Kiernan	bool "Enable support for the legacy image format"
380 002c3234SAlex Kiernan	default y if !FIT_SIGNATURE
381 002c3234SAlex Kiernan	help
382 002c3234SAlex Kiernan	  This option enables the legacy image format. It is enabled by
383 002c3234SAlex Kiernan	  default for backward compatibility, unless FIT_SIGNATURE is
384 002c3234SAlex Kiernan	  set where it is disabled so that unsigned images cannot be
385 002c3234SAlex Kiernan	  loaded. If a board needs the legacy image format support in this
386 002c3234SAlex Kiernan	  case, enable it here.
387 002c3234SAlex Kiernan
388 73223f0eSSimon Glassconfig OF_BOARD_SETUP
389 73223f0eSSimon Glass	bool "Set up board-specific details in device tree before boot"
390 73223f0eSSimon Glass	depends on OF_LIBFDT
391 73223f0eSSimon Glass	help
392 73223f0eSSimon Glass	  This causes U-Boot to call ft_board_setup() before booting into
393 73223f0eSSimon Glass	  the Operating System. This function can set up various
394 73223f0eSSimon Glass	  board-specific information in the device tree for use by the OS.
395 73223f0eSSimon Glass	  The device tree is then passed to the OS.
396 73223f0eSSimon Glass
397 73223f0eSSimon Glassconfig OF_SYSTEM_SETUP
398 73223f0eSSimon Glass	bool "Set up system-specific details in device tree before boot"
399 73223f0eSSimon Glass	depends on OF_LIBFDT
400 73223f0eSSimon Glass	help
401 73223f0eSSimon Glass	  This causes U-Boot to call ft_system_setup() before booting into
402 73223f0eSSimon Glass	  the Operating System. This function can set up various
403 73223f0eSSimon Glass	  system-specific information in the device tree for use by the OS.
404 73223f0eSSimon Glass	  The device tree is then passed to the OS.
405 73223f0eSSimon Glass
406 73223f0eSSimon Glassconfig OF_STDOUT_VIA_ALIAS
407 73223f0eSSimon Glass	bool "Update the device-tree stdout alias from U-Boot"
408 73223f0eSSimon Glass	depends on OF_LIBFDT
409 73223f0eSSimon Glass	help
410 73223f0eSSimon Glass	  This uses U-Boot's serial alias from the aliases node to update
411 73223f0eSSimon Glass	  the device tree passed to the OS. The "linux,stdout-path" property
412 73223f0eSSimon Glass	  in the chosen node is set to point to the correct serial node.
413 73223f0eSSimon Glass	  This option currently references CONFIG_CONS_INDEX, which is
414 73223f0eSSimon Glass	  incorrect when used with device tree as this option does not
415 73223f0eSSimon Glass	  exist / should not be used.
416 b6cf4439SMasahiro Yamada
417 51631259SMasahiro Yamadaconfig SYS_EXTRA_OPTIONS
418 51631259SMasahiro Yamada	string "Extra Options (DEPRECATED)"
419 51631259SMasahiro Yamada	help
420 51631259SMasahiro Yamada	  The old configuration infrastructure (= mkconfig + boards.cfg)
421 ed36323fSMasahiro Yamada	  provided the extra options field. If you have something like
422 51631259SMasahiro Yamada	  "HAS_BAR,BAZ=64", the optional options
423 51631259SMasahiro Yamada	    #define CONFIG_HAS
424 51631259SMasahiro Yamada	    #define CONFIG_BAZ	64
425 51631259SMasahiro Yamada	  will be defined in include/config.h.
426 51631259SMasahiro Yamada	  This option was prepared for the smooth migration from the old
427 51631259SMasahiro Yamada	  configuration to Kconfig. Since this option will be removed sometime,
428 51631259SMasahiro Yamada	  new boards should not use this option.
429 51631259SMasahiro Yamada
430 7f7563ceSMasahiro Yamadaconfig SYS_TEXT_BASE
431 278b90ceSTom Rini	depends on !NIOS2 && !XTENSA
432 484cce0dSBen Stoltz	depends on !EFI_APP
433 278b90ceSTom Rini	default 0x80800000 if ARCH_OMAP2PLUS
434 341c0586SAndre Przywara	default 0x4a000000 if ARCH_SUNXI && !MACH_SUN9I && !MACH_SUN8I_V3S
435 341c0586SAndre Przywara	default 0x2a000000 if ARCH_SUNXI && MACH_SUN9I
436 341c0586SAndre Przywara	default 0x42e00000 if ARCH_SUNXI && MACH_SUN8I_V3S
437 7f7563ceSMasahiro Yamada	hex "Text Base"
438 7f7563ceSMasahiro Yamada	help
439 278b90ceSTom Rini	  The address in memory that U-Boot will be running from, initially.
440 7f7563ceSMasahiro Yamada
441 7e0ed13fSAdam Ford
442 eba3fbd6SAndreas Dannenberg
443 33d88183SAlexey Brodkinconfig SYS_CLK_FREQ
444 e71b422bSIain Paton	depends on ARC || ARCH_SUNXI
445 33d88183SAlexey Brodkin	int "CPU clock frequency"
446 33d88183SAlexey Brodkin	help
447 33d88183SAlexey Brodkin	  TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture
448 33d88183SAlexey Brodkin
449 63c09417SMasahiro Yamadaconfig ARCH_FIXUP_FDT_MEMORY
450 63c09417SMasahiro Yamada	bool "Enable arch_fixup_memory_banks() call"
451 e2f88dfdSMichal Simek	default y
452 e2f88dfdSMichal Simek	help
453 e2f88dfdSMichal Simek	  Enable FDT memory map syncup before OS boot. This feature can be
454 e2f88dfdSMichal Simek	  used for booting OS with different memory setup where the part of
455 e2f88dfdSMichal Simek	  the memory location should be used for different purpose.
456 e2f88dfdSMichal Simek
457 e91c3c33SMasahiro Yamadaendmenu		# Boot images
458 51631259SMasahiro Yamada
459 4db98d3dSEmmanuel Vadotsource "api/Kconfig"
460 4db98d3dSEmmanuel Vadot
461 ed36323fSMasahiro Yamadasource "common/Kconfig"
462 ed36323fSMasahiro Yamada
463 72a8cf8dSSimon Glasssource "cmd/Kconfig"
464 72a8cf8dSSimon Glass
465 e274ef6bSPatrick Delaunaysource "disk/Kconfig"
466 e274ef6bSPatrick Delaunay
467 783e6a72SMasahiro Yamadasource "dts/Kconfig"
468 783e6a72SMasahiro Yamada
469 0649cd0dSSimon Glasssource "env/Kconfig"
470 0649cd0dSSimon Glass
471 ed36323fSMasahiro Yamadasource "net/Kconfig"
472 ed36323fSMasahiro Yamada
473 ed36323fSMasahiro Yamadasource "drivers/Kconfig"
474 ed36323fSMasahiro Yamada
475 ed36323fSMasahiro Yamadasource "fs/Kconfig"
476 ed36323fSMasahiro Yamada
477 ed36323fSMasahiro Yamadasource "lib/Kconfig"
478 1967982aSSimon Glass
479 1967982aSSimon Glasssource "test/Kconfig"
480