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 58008cbaSMichal Simek select AUTO_COMPLETE 72 58008cbaSMichal Simek select CMDLINE_EDITING 73 26959271SMasahiro Yamada select CMD_BOOTI if ARM64 74 58008cbaSMichal Simek select CMD_BOOTZ if ARM && !ARM64 75 ba628855SJoe Hershberger select CMD_DHCP if CMD_NET 76 c4f66832SMasahiro Yamada select CMD_ENV_EXISTS 77 9f823615SHans de Goede select CMD_EXT2 78 9f823615SHans de Goede select CMD_EXT4 79 9f823615SHans de Goede select CMD_FAT 80 9f823615SHans de Goede select CMD_FS_GENERIC 81 fa2c1467STom Rini select CMD_PART if PARTITIONS 82 58008cbaSMichal Simek select CMD_PING if CMD_NET 83 58008cbaSMichal Simek select CMD_PXE if NET 84 d021e942SAdam Ford select ENV_VARS_UBOOT_CONFIG 85 58008cbaSMichal Simek select HUSH_PARSER 86 58008cbaSMichal Simek select SUPPORT_RAW_INITRD 87 58008cbaSMichal Simek select SYS_LONGHELP 88 58008cbaSMichal Simek imply CMD_MII if NET 89 4aa74926SAlexander Graf imply USB_STORAGE 90 58008cbaSMichal Simek imply USE_BOOTCOMMAND 91 9f823615SHans de Goede help 92 9f823615SHans de Goede Select this to enable various options and commands which are suitable 93 9f823615SHans de Goede for building u-boot for booting general purpose Linux distributions. 94 9f823615SHans de Goede 95 d021e942SAdam Fordconfig ENV_VARS_UBOOT_CONFIG 96 d021e942SAdam Ford bool "Add arch, board, vendor and soc variables to default environment" 97 d021e942SAdam Ford help 98 d021e942SAdam Ford Define this in order to add variables describing the 99 d021e942SAdam Ford U-Boot build configuration to the default environment. 100 d021e942SAdam Ford These will be named arch, cpu, board, vendor, and soc. 101 d021e942SAdam Ford Enabling this option will cause the following to be defined: 102 d021e942SAdam Ford - CONFIG_SYS_ARCH 103 d021e942SAdam Ford - CONFIG_SYS_CPU 104 d021e942SAdam Ford - CONFIG_SYS_BOARD 105 d021e942SAdam Ford - CONFIG_SYS_VENDOR 106 d021e942SAdam Ford - CONFIG_SYS_SOC 107 d021e942SAdam Ford 108 999a772dSRamon Friedconfig NR_DRAM_BANKS 109 999a772dSRamon Fried int "Number of DRAM banks" 110 999a772dSRamon Fried default 4 111 999a772dSRamon Fried help 112 999a772dSRamon Fried This defines the number of DRAM banks. 113 999a772dSRamon Fried 114 405fc830SDerald D. Woodsconfig SYS_BOOT_GET_CMDLINE 115 405fc830SDerald D. Woods bool "Enable kernel command line setup" 116 405fc830SDerald D. Woods help 117 405fc830SDerald D. Woods Enables allocating and saving kernel cmdline in space between 118 405fc830SDerald D. Woods "bootm_low" and "bootm_low" + BOOTMAPSZ. 119 405fc830SDerald D. Woods 120 405fc830SDerald D. Woodsconfig SYS_BOOT_GET_KBD 121 405fc830SDerald D. Woods bool "Enable kernel board information setup" 122 405fc830SDerald D. Woods help 123 405fc830SDerald D. Woods Enables allocating and saving a kernel copy of the bd_info in 124 405fc830SDerald D. Woods space between "bootm_low" and "bootm_low" + BOOTMAPSZ. 125 405fc830SDerald D. Woods 126 b724bd7dSSimon Glassconfig SYS_MALLOC_F 127 b724bd7dSSimon Glass bool "Enable malloc() pool before relocation" 128 326a6823SMasahiro Yamada default y if DM 129 *15a5c72cSSimon Glass 130 b724bd7dSSimon Glass help 131 59d7c34bSRobert P. J. Day Before relocation, memory is very limited on many platforms. Still, 132 b724bd7dSSimon Glass we can provide a small malloc() pool if needed. Driver model in 133 b724bd7dSSimon Glass particular needs this to operate, so that it can allocate the 134 b724bd7dSSimon Glass initial serial device and any others that are needed. 135 b724bd7dSSimon Glass 136 b724bd7dSSimon Glassconfig SYS_MALLOC_F_LEN 137 b724bd7dSSimon Glass hex "Size of malloc() pool before relocation" 138 b724bd7dSSimon Glass depends on SYS_MALLOC_F 139 90e407aeSSjoerd Simons default 0x1000 if AM33XX 140 *15a5c72cSSimon Glass default 0x2800 if SANDBOX 141 b724bd7dSSimon Glass default 0x400 142 b724bd7dSSimon Glass help 143 59d7c34bSRobert P. J. Day Before relocation, memory is very limited on many platforms. Still, 144 b724bd7dSSimon Glass we can provide a small malloc() pool if needed. Driver model in 145 b724bd7dSSimon Glass particular needs this to operate, so that it can allocate the 146 b724bd7dSSimon Glass initial serial device and any others that are needed. 147 b724bd7dSSimon Glass 148 01aa5b8fSSiva Durga Prasad Paladuguconfig SYS_MALLOC_LEN 149 01aa5b8fSSiva Durga Prasad Paladugu hex "Define memory for Dynamic allocation" 150 ec48b6c9SMichal Simek depends on ARCH_ZYNQ || ARCH_VERSAL 151 01aa5b8fSSiva Durga Prasad Paladugu help 152 01aa5b8fSSiva Durga Prasad Paladugu This defines memory to be allocated for Dynamic allocation 153 01aa5b8fSSiva Durga Prasad Paladugu TODO: Use for other architectures 154 01aa5b8fSSiva Durga Prasad Paladugu 155 f1896c45SAndy Yanconfig SPL_SYS_MALLOC_F_LEN 156 ae2cee2eSPhilipp Tomsich hex "Size of malloc() pool in SPL before relocation" 157 ae2cee2eSPhilipp Tomsich depends on SYS_MALLOC_F 158 ae2cee2eSPhilipp Tomsich default SYS_MALLOC_F_LEN 159 ae2cee2eSPhilipp Tomsich help 160 ae2cee2eSPhilipp Tomsich Before relocation, memory is very limited on many platforms. Still, 161 ae2cee2eSPhilipp Tomsich we can provide a small malloc() pool if needed. Driver model in 162 ae2cee2eSPhilipp Tomsich particular needs this to operate, so that it can allocate the 163 ae2cee2eSPhilipp Tomsich initial serial device and any others that are needed. 164 ae2cee2eSPhilipp Tomsich 165 ae2cee2eSPhilipp Tomsichconfig TPL_SYS_MALLOC_F_LEN 166 ae2cee2eSPhilipp Tomsich hex "Size of malloc() pool in TPL before relocation" 167 f1896c45SAndy Yan depends on SYS_MALLOC_F 168 f1896c45SAndy Yan default SYS_MALLOC_F_LEN 169 f1896c45SAndy Yan help 170 f1896c45SAndy Yan Before relocation, memory is very limited on many platforms. Still, 171 f1896c45SAndy Yan we can provide a small malloc() pool if needed. Driver model in 172 f1896c45SAndy Yan particular needs this to operate, so that it can allocate the 173 f1896c45SAndy Yan initial serial device and any others that are needed. 174 f1896c45SAndy Yan 175 1bf0979fSTom Rinimenuconfig EXPERT 176 1bf0979fSTom Rini bool "Configure standard U-Boot features (expert users)" 177 0aa8a4adSPrzemyslaw Marczak default y 178 1bf0979fSTom Rini help 179 1bf0979fSTom Rini This option allows certain base U-Boot options and settings 180 1bf0979fSTom Rini to be disabled or tweaked. This is for specialized 181 1bf0979fSTom Rini environments which can tolerate a "non-standard" U-Boot. 182 59d7c34bSRobert P. J. Day Use this only if you really know what you are doing. 183 1bf0979fSTom Rini 184 0aa8a4adSPrzemyslaw Marczakif EXPERT 185 0aa8a4adSPrzemyslaw Marczak config SYS_MALLOC_CLEAR_ON_INIT 186 0aa8a4adSPrzemyslaw Marczak bool "Init with zeros the memory reserved for malloc (slow)" 187 0aa8a4adSPrzemyslaw Marczak default y 188 0aa8a4adSPrzemyslaw Marczak help 189 0aa8a4adSPrzemyslaw Marczak This setting is enabled by default. The reserved malloc 190 0aa8a4adSPrzemyslaw Marczak memory is initialized with zeros, so first malloc calls 191 0aa8a4adSPrzemyslaw Marczak will return the pointer to the zeroed memory. But this 192 0aa8a4adSPrzemyslaw Marczak slows the boot time. 193 0aa8a4adSPrzemyslaw Marczak 194 0aa8a4adSPrzemyslaw Marczak It is recommended to disable it, when CONFIG_SYS_MALLOC_LEN 195 0aa8a4adSPrzemyslaw Marczak value, has more than few MiB, e.g. when uses bzip2 or bmp logo. 196 0aa8a4adSPrzemyslaw Marczak Then the boot time can be significantly reduced. 197 0aa8a4adSPrzemyslaw Marczak Warning: 198 0aa8a4adSPrzemyslaw Marczak When disabling this, please check if malloc calls, maybe 199 59d7c34bSRobert P. J. Day should be replaced by calloc - if one expects zeroed memory. 200 022885cbSSimon Glass 201 022885cbSSimon Glassconfig TOOLS_DEBUG 202 022885cbSSimon Glass bool "Enable debug information for tools" 203 022885cbSSimon Glass help 204 022885cbSSimon Glass Enable generation of debug information for tools such as mkimage. 205 022885cbSSimon Glass This can be used for debugging purposes. With debug information 206 022885cbSSimon Glass it is possible to set breakpoints on particular lines, single-step 207 022885cbSSimon Glass debug through the source code, etc. 208 022885cbSSimon Glass 209 266aa86bSRobert P. J. Dayendif # EXPERT 210 bb6b142fSMasahiro Yamada 211 bb6b142fSMasahiro Yamadaconfig PHYS_64BIT 212 bb6b142fSMasahiro Yamada bool "64bit physical address support" 213 bb6b142fSMasahiro Yamada help 214 bb6b142fSMasahiro Yamada Say Y here to support 64bit physical memory address. 215 bb6b142fSMasahiro Yamada This can be used not only for 64bit SoCs, but also for 216 bb6b142fSMasahiro Yamada large physical address extention on 32bit SoCs. 217 bb6b142fSMasahiro Yamada 218 871aa41dSHeinrich Schuchardtconfig BUILD_ROM 219 871aa41dSHeinrich Schuchardt bool "Build U-Boot as BIOS replacement" 220 871aa41dSHeinrich Schuchardt depends on X86 221 871aa41dSHeinrich Schuchardt help 222 871aa41dSHeinrich Schuchardt This option allows to build a ROM version of U-Boot. 223 871aa41dSHeinrich Schuchardt The build process generally requires several binary blobs 224 871aa41dSHeinrich Schuchardt which are not shipped in the U-Boot source tree. 225 871aa41dSHeinrich Schuchardt Please, see doc/README.x86 for details. 226 871aa41dSHeinrich Schuchardt 227 40ad4c4bSMasahiro Yamadaendmenu # General setup 228 40ad4c4bSMasahiro Yamada 229 e91c3c33SMasahiro Yamadamenu "Boot images" 230 e91c3c33SMasahiro Yamada 231 48f6232eSTom Riniconfig ANDROID_BOOT_IMAGE 232 48f6232eSTom Rini bool "Enable support for Android Boot Images" 233 48f6232eSTom Rini default y if FASTBOOT 234 48f6232eSTom Rini help 235 48f6232eSTom Rini This enables support for booting images which use the Android 236 48f6232eSTom Rini image format header. 237 48f6232eSTom Rini 238 b6cf4439SMasahiro Yamadaconfig FIT 239 b6cf4439SMasahiro Yamada bool "Support Flattened Image Tree" 240 aeb9c53cSAndre Przywara select MD5 241 089df18bSTom Rini select SHA1 242 b6cf4439SMasahiro Yamada help 243 266aa86bSRobert P. J. Day This option allows you to boot the new uImage structure, 244 b6cf4439SMasahiro Yamada Flattened Image Tree. FIT is formally a FDT, which can include 245 b6cf4439SMasahiro Yamada images of various types (kernel, FDT blob, ramdisk, etc.) 246 b6cf4439SMasahiro Yamada in a single blob. To boot this new uImage structure, 247 1f9ac4a4SIgor Grinberg pass the address of the blob to the "bootm" command. 248 73223f0eSSimon Glass FIT is very flexible, supporting compression, multiple images, 249 73223f0eSSimon Glass multiple configurations, verification through hashing and also 250 266aa86bSRobert P. J. Day verified boot (secure boot using RSA). 251 b6cf4439SMasahiro Yamada 252 266aa86bSRobert P. J. Dayif FIT 253 b6cf4439SMasahiro Yamada 254 0db7f685STom Riniconfig FIT_ENABLE_SHA256_SUPPORT 255 0db7f685STom Rini bool "Support SHA256 checksum of FIT image contents" 256 0db7f685STom Rini default y 257 58008cbaSMichal Simek select SHA256 258 0db7f685STom Rini help 259 0db7f685STom Rini Enable this to support SHA256 checksum of FIT image contents. A 260 0db7f685STom Rini SHA256 checksum is a 256-bit (32-byte) hash value used to check that 261 0db7f685STom Rini the image contents have not been corrupted. SHA256 is recommended 262 0db7f685STom Rini for use in secure applications since (as at 2016) there is no known 263 0db7f685STom Rini feasible attack that could produce a 'collision' with differing 264 0db7f685STom Rini input data. Use this for the highest security. Note that only the 265 0db7f685STom Rini SHA256 variant is supported: SHA512 and others are not currently 266 0db7f685STom Rini supported in U-Boot. 267 0db7f685STom Rini 268 b6cf4439SMasahiro Yamadaconfig FIT_SIGNATURE 269 c4beb22fSRuchika Gupta bool "Enable signature verification of FIT uImages" 270 9009798dSChris Kuethe depends on DM 271 535adee8SKelvin Cheung select HASH 272 58008cbaSMichal Simek select RSA 273 b6cf4439SMasahiro Yamada help 274 b6cf4439SMasahiro Yamada This option enables signature verification of FIT uImages, 275 94e3c8c4Sgaurav rana using a hash signed and verified using RSA. If 276 94e3c8c4Sgaurav rana CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive 277 266aa86bSRobert P. J. Day hashing is available using hardware, then the RSA library will use 278 73223f0eSSimon Glass it. See doc/uImage.FIT/signature.txt for more details. 279 73223f0eSSimon Glass 280 73223f0eSSimon Glass WARNING: When relying on signed FIT images with a required signature 281 73223f0eSSimon Glass check the legacy image format is disabled by default, so that 282 73223f0eSSimon Glass unsigned images cannot be loaded. If a board needs the legacy image 283 73223f0eSSimon Glass format support in this case, enable it using 284 73223f0eSSimon Glass CONFIG_IMAGE_FORMAT_LEGACY. 285 73223f0eSSimon Glass 286 72239fc8STeddy Reedconfig FIT_SIGNATURE_MAX_SIZE 287 72239fc8STeddy Reed hex "Max size of signed FIT structures" 288 72239fc8STeddy Reed depends on FIT_SIGNATURE 289 72239fc8STeddy Reed default 0x10000000 290 72239fc8STeddy Reed help 291 72239fc8STeddy Reed This option sets a max size in bytes for verified FIT uImages. 292 72239fc8STeddy Reed A sane value of 256MB protects corrupted DTB structures from overlapping 293 72239fc8STeddy Reed device memory. Assure this size does not extend past expected storage 294 72239fc8STeddy Reed space. 295 72239fc8STeddy Reed 296 061daa0bSPhilippe Reynesconfig FIT_ENABLE_RSASSA_PSS_SUPPORT 297 061daa0bSPhilippe Reynes bool "Support rsassa-pss signature scheme of FIT image contents" 298 061daa0bSPhilippe Reynes depends on FIT_SIGNATURE 299 061daa0bSPhilippe Reynes default n 300 061daa0bSPhilippe Reynes help 301 061daa0bSPhilippe Reynes Enable this to support the pss padding algorithm as described 302 061daa0bSPhilippe Reynes in the rfc8017 (https://tools.ietf.org/html/rfc8017). 303 061daa0bSPhilippe Reynes 304 266aa86bSRobert P. J. Dayconfig FIT_VERBOSE 305 266aa86bSRobert P. J. Day bool "Show verbose messages when FIT images fail" 306 266aa86bSRobert P. J. Day help 307 266aa86bSRobert P. J. Day Generally a system will have valid FIT images so debug messages 308 266aa86bSRobert P. J. Day are a waste of code space. If you are debugging your images then 309 266aa86bSRobert P. J. Day you can enable this option to get more verbose information about 310 266aa86bSRobert P. J. Day failures. 311 51c14cd1STeddy Reed 312 73223f0eSSimon Glassconfig FIT_BEST_MATCH 313 73223f0eSSimon Glass bool "Select the best match for the kernel device tree" 314 73223f0eSSimon Glass help 315 73223f0eSSimon Glass When no configuration is explicitly selected, default to the 316 73223f0eSSimon Glass one whose fdt's compatibility field best matches that of 317 73223f0eSSimon Glass U-Boot itself. A match is considered "best" if it matches the 318 73223f0eSSimon Glass most specific compatibility entry of U-Boot's fdt's root node. 319 73223f0eSSimon Glass The order of entries in the configuration's fdt is ignored. 320 73223f0eSSimon Glass 321 266aa86bSRobert P. J. Dayconfig FIT_IMAGE_POST_PROCESS 322 266aa86bSRobert P. J. Day bool "Enable post-processing of FIT artifacts after loading by U-Boot" 323 266aa86bSRobert P. J. Day depends on TI_SECURE_DEVICE 324 73223f0eSSimon Glass help 325 266aa86bSRobert P. J. Day Allows doing any sort of manipulation to blobs after they got extracted 326 266aa86bSRobert P. J. Day from FIT images like stripping off headers or modifying the size of the 327 266aa86bSRobert P. J. Day blob, verification, authentication, decryption etc. in a platform or 328 266aa86bSRobert P. J. Day board specific way. In order to use this feature a platform or board- 329 266aa86bSRobert P. J. Day specific implementation of board_fit_image_post_process() must be 330 266aa86bSRobert P. J. Day provided. Also, anything done during this post-processing step would 331 266aa86bSRobert P. J. Day need to be comprehended in how the images were prepared before being 332 266aa86bSRobert P. J. Day injected into the FIT creation (i.e. the blobs would have been pre- 333 266aa86bSRobert P. J. Day processed before being added to the FIT image). 334 266aa86bSRobert P. J. Day 335 71139113STom Riniif SPL 336 71139113STom Rini 337 266aa86bSRobert P. J. Dayconfig SPL_FIT 338 266aa86bSRobert P. J. Day bool "Support Flattened Image Tree within SPL" 339 266aa86bSRobert P. J. Day depends on SPL 340 85c07a5aSAndre Przywara select SPL_OF_LIBFDT 341 266aa86bSRobert P. J. Day 342 b527b9c6SMarek Vasutconfig SPL_FIT_PRINT 343 b527b9c6SMarek Vasut bool "Support FIT printing within SPL" 344 b527b9c6SMarek Vasut depends on SPL_FIT 345 b527b9c6SMarek Vasut help 346 b527b9c6SMarek Vasut Support printing the content of the fitImage in a verbose manner in SPL. 347 b527b9c6SMarek Vasut 348 266aa86bSRobert P. J. Dayconfig SPL_FIT_SIGNATURE 349 266aa86bSRobert P. J. Day bool "Enable signature verification of FIT firmware within SPL" 350 266aa86bSRobert P. J. Day depends on SPL_DM 351 85c07a5aSAndre Przywara select SPL_FIT 352 266aa86bSRobert P. J. Day select SPL_RSA 353 266aa86bSRobert P. J. Day 354 266aa86bSRobert P. J. Dayconfig SPL_LOAD_FIT 355 266aa86bSRobert P. J. Day bool "Enable SPL loading U-Boot as a FIT" 356 85c07a5aSAndre Przywara select SPL_FIT 357 266aa86bSRobert P. J. Day help 358 266aa86bSRobert P. J. Day Normally with the SPL framework a legacy image is generated as part 359 266aa86bSRobert P. J. Day of the build. This contains U-Boot along with information as to 360 266aa86bSRobert P. J. Day where it should be loaded. This option instead enables generation 361 266aa86bSRobert P. J. Day of a FIT (Flat Image Tree) which provides more flexibility. In 362 266aa86bSRobert P. J. Day particular it can handle selecting from multiple device tree 363 266aa86bSRobert P. J. Day and passing the correct one to U-Boot. 364 266aa86bSRobert P. J. Day 365 8a9dc16eSMarek Vasutconfig SPL_LOAD_FIT_FULL 366 8a9dc16eSMarek Vasut bool "Enable SPL loading U-Boot as a FIT" 367 8a9dc16eSMarek Vasut select SPL_FIT 368 8a9dc16eSMarek Vasut help 369 8a9dc16eSMarek Vasut Normally with the SPL framework a legacy image is generated as part 370 8a9dc16eSMarek Vasut of the build. This contains U-Boot along with information as to 371 8a9dc16eSMarek Vasut where it should be loaded. This option instead enables generation 372 8a9dc16eSMarek Vasut of a FIT (Flat Image Tree) which provides more flexibility. In 373 8a9dc16eSMarek Vasut particular it can handle selecting from multiple device tree 374 8a9dc16eSMarek Vasut and passing the correct one to U-Boot. 375 8a9dc16eSMarek Vasut 376 266aa86bSRobert P. J. Dayconfig SPL_FIT_IMAGE_POST_PROCESS 377 266aa86bSRobert P. J. Day bool "Enable post-processing of FIT artifacts after loading by the SPL" 378 c12d8b7dSext-vasily.gurevich@vaisala.com depends on SPL_LOAD_FIT 379 266aa86bSRobert P. J. Day help 380 266aa86bSRobert P. J. Day Allows doing any sort of manipulation to blobs after they got extracted 381 266aa86bSRobert P. J. Day from the U-Boot FIT image like stripping off headers or modifying the 382 266aa86bSRobert P. J. Day size of the blob, verification, authentication, decryption etc. in a 383 266aa86bSRobert P. J. Day platform or board specific way. In order to use this feature a platform 384 266aa86bSRobert P. J. Day or board-specific implementation of board_fit_image_post_process() must 385 266aa86bSRobert P. J. Day be provided. Also, anything done during this post-processing step would 386 266aa86bSRobert P. J. Day need to be comprehended in how the images were prepared before being 387 266aa86bSRobert P. J. Day injected into the FIT creation (i.e. the blobs would have been pre- 388 266aa86bSRobert P. J. Day processed before being added to the FIT image). 389 266aa86bSRobert P. J. Day 390 1a12fdc4SAndre Przywaraconfig SPL_FIT_SOURCE 391 1a12fdc4SAndre Przywara string ".its source file for U-Boot FIT image" 392 1a12fdc4SAndre Przywara depends on SPL_FIT 393 1a12fdc4SAndre Przywara help 394 1a12fdc4SAndre Przywara Specifies a (platform specific) FIT source file to generate the 395 1a12fdc4SAndre Przywara U-Boot FIT image. This could specify further image to load and/or 396 1a12fdc4SAndre Przywara execute. 397 1a12fdc4SAndre Przywara 398 1a12fdc4SAndre Przywaraconfig SPL_FIT_GENERATOR 399 1a12fdc4SAndre Przywara string ".its file generator script for U-Boot FIT image" 400 1a12fdc4SAndre Przywara depends on SPL_FIT 401 d29adf8eSAndre Przywara default "board/sunxi/mksunxi_fit_atf.sh" if SPL_LOAD_FIT && ARCH_SUNXI 402 1a12fdc4SAndre Przywara help 403 1a12fdc4SAndre Przywara Specifies a (platform specific) script file to generate the FIT 404 1a12fdc4SAndre Przywara source file used to build the U-Boot FIT image file. This gets 405 1a12fdc4SAndre Przywara passed a list of supported device tree file stub names to 406 1a12fdc4SAndre Przywara include in the generated image. 407 1a12fdc4SAndre Przywara 408 71139113STom Riniendif # SPL 409 71139113STom Rini 410 266aa86bSRobert P. J. Dayendif # FIT 411 73223f0eSSimon Glass 412 002c3234SAlex Kiernanconfig IMAGE_FORMAT_LEGACY 413 002c3234SAlex Kiernan bool "Enable support for the legacy image format" 414 002c3234SAlex Kiernan default y if !FIT_SIGNATURE 415 002c3234SAlex Kiernan help 416 002c3234SAlex Kiernan This option enables the legacy image format. It is enabled by 417 002c3234SAlex Kiernan default for backward compatibility, unless FIT_SIGNATURE is 418 002c3234SAlex Kiernan set where it is disabled so that unsigned images cannot be 419 002c3234SAlex Kiernan loaded. If a board needs the legacy image format support in this 420 002c3234SAlex Kiernan case, enable it here. 421 002c3234SAlex Kiernan 422 73223f0eSSimon Glassconfig OF_BOARD_SETUP 423 73223f0eSSimon Glass bool "Set up board-specific details in device tree before boot" 424 73223f0eSSimon Glass depends on OF_LIBFDT 425 73223f0eSSimon Glass help 426 73223f0eSSimon Glass This causes U-Boot to call ft_board_setup() before booting into 427 73223f0eSSimon Glass the Operating System. This function can set up various 428 73223f0eSSimon Glass board-specific information in the device tree for use by the OS. 429 73223f0eSSimon Glass The device tree is then passed to the OS. 430 73223f0eSSimon Glass 431 73223f0eSSimon Glassconfig OF_SYSTEM_SETUP 432 73223f0eSSimon Glass bool "Set up system-specific details in device tree before boot" 433 73223f0eSSimon Glass depends on OF_LIBFDT 434 73223f0eSSimon Glass help 435 73223f0eSSimon Glass This causes U-Boot to call ft_system_setup() before booting into 436 73223f0eSSimon Glass the Operating System. This function can set up various 437 73223f0eSSimon Glass system-specific information in the device tree for use by the OS. 438 73223f0eSSimon Glass The device tree is then passed to the OS. 439 73223f0eSSimon Glass 440 73223f0eSSimon Glassconfig OF_STDOUT_VIA_ALIAS 441 73223f0eSSimon Glass bool "Update the device-tree stdout alias from U-Boot" 442 73223f0eSSimon Glass depends on OF_LIBFDT 443 73223f0eSSimon Glass help 444 73223f0eSSimon Glass This uses U-Boot's serial alias from the aliases node to update 445 73223f0eSSimon Glass the device tree passed to the OS. The "linux,stdout-path" property 446 73223f0eSSimon Glass in the chosen node is set to point to the correct serial node. 447 73223f0eSSimon Glass This option currently references CONFIG_CONS_INDEX, which is 448 73223f0eSSimon Glass incorrect when used with device tree as this option does not 449 73223f0eSSimon Glass exist / should not be used. 450 b6cf4439SMasahiro Yamada 451 51631259SMasahiro Yamadaconfig SYS_EXTRA_OPTIONS 452 51631259SMasahiro Yamada string "Extra Options (DEPRECATED)" 453 51631259SMasahiro Yamada help 454 51631259SMasahiro Yamada The old configuration infrastructure (= mkconfig + boards.cfg) 455 ed36323fSMasahiro Yamada provided the extra options field. If you have something like 456 51631259SMasahiro Yamada "HAS_BAR,BAZ=64", the optional options 457 51631259SMasahiro Yamada #define CONFIG_HAS 458 51631259SMasahiro Yamada #define CONFIG_BAZ 64 459 51631259SMasahiro Yamada will be defined in include/config.h. 460 51631259SMasahiro Yamada This option was prepared for the smooth migration from the old 461 51631259SMasahiro Yamada configuration to Kconfig. Since this option will be removed sometime, 462 51631259SMasahiro Yamada new boards should not use this option. 463 51631259SMasahiro Yamada 464 7f7563ceSMasahiro Yamadaconfig SYS_TEXT_BASE 465 278b90ceSTom Rini depends on !NIOS2 && !XTENSA 466 484cce0dSBen Stoltz depends on !EFI_APP 467 586bde93SLokesh Vutla default 0x80800000 if ARCH_OMAP2PLUS || ARCH_K3 468 341c0586SAndre Przywara default 0x4a000000 if ARCH_SUNXI && !MACH_SUN9I && !MACH_SUN8I_V3S 469 341c0586SAndre Przywara default 0x2a000000 if ARCH_SUNXI && MACH_SUN9I 470 341c0586SAndre Przywara default 0x42e00000 if ARCH_SUNXI && MACH_SUN8I_V3S 471 7f7563ceSMasahiro Yamada hex "Text Base" 472 7f7563ceSMasahiro Yamada help 473 278b90ceSTom Rini The address in memory that U-Boot will be running from, initially. 474 7f7563ceSMasahiro Yamada 475 7e0ed13fSAdam Ford 476 eba3fbd6SAndreas Dannenberg 477 33d88183SAlexey Brodkinconfig SYS_CLK_FREQ 478 e71b422bSIain Paton depends on ARC || ARCH_SUNXI 479 33d88183SAlexey Brodkin int "CPU clock frequency" 480 33d88183SAlexey Brodkin help 481 33d88183SAlexey Brodkin TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture 482 33d88183SAlexey Brodkin 483 63c09417SMasahiro Yamadaconfig ARCH_FIXUP_FDT_MEMORY 484 63c09417SMasahiro Yamada bool "Enable arch_fixup_memory_banks() call" 485 e2f88dfdSMichal Simek default y 486 e2f88dfdSMichal Simek help 487 e2f88dfdSMichal Simek Enable FDT memory map syncup before OS boot. This feature can be 488 e2f88dfdSMichal Simek used for booting OS with different memory setup where the part of 489 e2f88dfdSMichal Simek the memory location should be used for different purpose. 490 e2f88dfdSMichal Simek 491 e91c3c33SMasahiro Yamadaendmenu # Boot images 492 51631259SMasahiro Yamada 493 4db98d3dSEmmanuel Vadotsource "api/Kconfig" 494 4db98d3dSEmmanuel Vadot 495 ed36323fSMasahiro Yamadasource "common/Kconfig" 496 ed36323fSMasahiro Yamada 497 72a8cf8dSSimon Glasssource "cmd/Kconfig" 498 72a8cf8dSSimon Glass 499 e274ef6bSPatrick Delaunaysource "disk/Kconfig" 500 e274ef6bSPatrick Delaunay 501 783e6a72SMasahiro Yamadasource "dts/Kconfig" 502 783e6a72SMasahiro Yamada 503 0649cd0dSSimon Glasssource "env/Kconfig" 504 0649cd0dSSimon Glass 505 ed36323fSMasahiro Yamadasource "net/Kconfig" 506 ed36323fSMasahiro Yamada 507 ed36323fSMasahiro Yamadasource "drivers/Kconfig" 508 ed36323fSMasahiro Yamada 509 ed36323fSMasahiro Yamadasource "fs/Kconfig" 510 ed36323fSMasahiro Yamada 511 ed36323fSMasahiro Yamadasource "lib/Kconfig" 512 1967982aSSimon Glass 513 1967982aSSimon Glasssource "test/Kconfig" 514