151631259SMasahiro Yamada# 251631259SMasahiro Yamada# For a description of the syntax of this configuration file, 359d7c34bSRobert P. J. Day# see the file Documentation/kbuild/kconfig-language.txt in the 459d7c34bSRobert P. J. Day# Linux kernel source tree. 551631259SMasahiro Yamada# 651631259SMasahiro Yamadamainmenu "U-Boot $UBOOTVERSION Configuration" 751631259SMasahiro Yamada 851631259SMasahiro Yamadaconfig UBOOTVERSION 951631259SMasahiro Yamada string 1051631259SMasahiro Yamada option env="UBOOTVERSION" 1151631259SMasahiro Yamada 1266afaef2SSimon Glass# Allow defaults in arch-specific code to override any given here 1366afaef2SSimon Glasssource "arch/Kconfig" 1466afaef2SSimon Glass 1551631259SMasahiro Yamadamenu "General setup" 1651631259SMasahiro Yamada 174c7a2110SHeinrich Schuchardtconfig BROKEN 184c7a2110SHeinrich Schuchardt bool 194c7a2110SHeinrich Schuchardt help 204c7a2110SHeinrich Schuchardt This option cannot be enabled. It is used as dependency 214c7a2110SHeinrich Schuchardt for broken and incomplete features. 224c7a2110SHeinrich Schuchardt 23e91c3c33SMasahiro Yamadaconfig LOCALVERSION 24e91c3c33SMasahiro Yamada string "Local version - append to U-Boot release" 25e91c3c33SMasahiro Yamada help 26e91c3c33SMasahiro Yamada Append an extra string to the end of your U-Boot version. 2759d7c34bSRobert P. J. Day This will show up in your boot log, for example. 28e91c3c33SMasahiro Yamada The string you set here will be appended after the contents of 29e91c3c33SMasahiro Yamada any files with a filename matching localversion* in your 30e91c3c33SMasahiro Yamada object and source tree, in that order. Your total string can 31e91c3c33SMasahiro Yamada be a maximum of 64 characters. 32e91c3c33SMasahiro Yamada 33e91c3c33SMasahiro Yamadaconfig LOCALVERSION_AUTO 34e91c3c33SMasahiro Yamada bool "Automatically append version information to the version string" 35e91c3c33SMasahiro Yamada default y 36e91c3c33SMasahiro Yamada help 37e91c3c33SMasahiro Yamada This will try to automatically determine if the current tree is a 3859d7c34bSRobert P. J. Day release tree by looking for Git tags that belong to the current 39e91c3c33SMasahiro Yamada top of tree revision. 40e91c3c33SMasahiro Yamada 41e91c3c33SMasahiro Yamada A string of the format -gxxxxxxxx will be added to the localversion 4259d7c34bSRobert P. J. Day if a Git-based tree is found. The string generated by this will be 43e91c3c33SMasahiro Yamada appended after any matching localversion* files, and after the value 44e91c3c33SMasahiro Yamada set in CONFIG_LOCALVERSION. 45e91c3c33SMasahiro Yamada 46e91c3c33SMasahiro Yamada (The actual string used here is the first eight characters produced 47e91c3c33SMasahiro Yamada by running the command: 48e91c3c33SMasahiro Yamada 49e91c3c33SMasahiro Yamada $ git rev-parse --verify HEAD 50e91c3c33SMasahiro Yamada 51e91c3c33SMasahiro Yamada which is done within the script "scripts/setlocalversion".) 52e91c3c33SMasahiro Yamada 534a8ed8e2SMasahiro Yamadaconfig CC_OPTIMIZE_FOR_SIZE 544a8ed8e2SMasahiro Yamada bool "Optimize for size" 554a8ed8e2SMasahiro Yamada default y 564a8ed8e2SMasahiro Yamada help 574a8ed8e2SMasahiro Yamada Enabling this option will pass "-Os" instead of "-O2" to gcc 584a8ed8e2SMasahiro Yamada resulting in a smaller U-Boot image. 594a8ed8e2SMasahiro Yamada 604a8ed8e2SMasahiro Yamada This option is enabled by default for U-Boot. 614a8ed8e2SMasahiro Yamada 6252ff8020SChristian Gmeinerconfig CC_COVERAGE 6352ff8020SChristian Gmeiner bool "Enable code coverage analysis" 6452ff8020SChristian Gmeiner depends on SANDBOX 6552ff8020SChristian Gmeiner help 6652ff8020SChristian Gmeiner Enabling this option will pass "--coverage" to gcc to compile 6752ff8020SChristian Gmeiner and link code instrumented for coverage analysis. 6852ff8020SChristian Gmeiner 699f823615SHans de Goedeconfig DISTRO_DEFAULTS 709f823615SHans de Goede bool "Select defaults suitable for booting general purpose Linux distributions" 7158008cbaSMichal Simek select AUTO_COMPLETE 7258008cbaSMichal Simek select CMDLINE_EDITING 7326959271SMasahiro Yamada select CMD_BOOTI if ARM64 7458008cbaSMichal Simek select CMD_BOOTZ if ARM && !ARM64 75ba628855SJoe Hershberger select CMD_DHCP if CMD_NET 76c4f66832SMasahiro Yamada select CMD_ENV_EXISTS 779f823615SHans de Goede select CMD_EXT2 789f823615SHans de Goede select CMD_EXT4 799f823615SHans de Goede select CMD_FAT 809f823615SHans de Goede select CMD_FS_GENERIC 81fa2c1467STom Rini select CMD_PART if PARTITIONS 8258008cbaSMichal Simek select CMD_PING if CMD_NET 8358008cbaSMichal Simek select CMD_PXE if NET 84d021e942SAdam Ford select ENV_VARS_UBOOT_CONFIG 8558008cbaSMichal Simek select HUSH_PARSER 8658008cbaSMichal Simek select SUPPORT_RAW_INITRD 8758008cbaSMichal Simek select SYS_LONGHELP 8858008cbaSMichal Simek imply CMD_MII if NET 8958008cbaSMichal Simek imply USE_BOOTCOMMAND 909f823615SHans de Goede help 919f823615SHans de Goede Select this to enable various options and commands which are suitable 929f823615SHans de Goede for building u-boot for booting general purpose Linux distributions. 939f823615SHans de Goede 94d021e942SAdam Fordconfig ENV_VARS_UBOOT_CONFIG 95d021e942SAdam Ford bool "Add arch, board, vendor and soc variables to default environment" 96d021e942SAdam Ford help 97d021e942SAdam Ford Define this in order to add variables describing the 98d021e942SAdam Ford U-Boot build configuration to the default environment. 99d021e942SAdam Ford These will be named arch, cpu, board, vendor, and soc. 100d021e942SAdam Ford Enabling this option will cause the following to be defined: 101d021e942SAdam Ford - CONFIG_SYS_ARCH 102d021e942SAdam Ford - CONFIG_SYS_CPU 103d021e942SAdam Ford - CONFIG_SYS_BOARD 104d021e942SAdam Ford - CONFIG_SYS_VENDOR 105d021e942SAdam Ford - CONFIG_SYS_SOC 106d021e942SAdam Ford 107999a772dSRamon Friedconfig NR_DRAM_BANKS 108999a772dSRamon Fried int "Number of DRAM banks" 109999a772dSRamon Fried default 4 110999a772dSRamon Fried help 111999a772dSRamon Fried This defines the number of DRAM banks. 112999a772dSRamon Fried 113405fc830SDerald D. Woodsconfig SYS_BOOT_GET_CMDLINE 114405fc830SDerald D. Woods bool "Enable kernel command line setup" 115405fc830SDerald D. Woods help 116405fc830SDerald D. Woods Enables allocating and saving kernel cmdline in space between 117405fc830SDerald D. Woods "bootm_low" and "bootm_low" + BOOTMAPSZ. 118405fc830SDerald D. Woods 119405fc830SDerald D. Woodsconfig SYS_BOOT_GET_KBD 120405fc830SDerald D. Woods bool "Enable kernel board information setup" 121405fc830SDerald D. Woods help 122405fc830SDerald D. Woods Enables allocating and saving a kernel copy of the bd_info in 123405fc830SDerald D. Woods space between "bootm_low" and "bootm_low" + BOOTMAPSZ. 124405fc830SDerald D. Woods 125b724bd7dSSimon Glassconfig SYS_MALLOC_F 126b724bd7dSSimon Glass bool "Enable malloc() pool before relocation" 127326a6823SMasahiro Yamada default y if DM 128b724bd7dSSimon Glass help 12959d7c34bSRobert P. J. Day Before relocation, memory is very limited on many platforms. Still, 130b724bd7dSSimon Glass we can provide a small malloc() pool if needed. Driver model in 131b724bd7dSSimon Glass particular needs this to operate, so that it can allocate the 132b724bd7dSSimon Glass initial serial device and any others that are needed. 133b724bd7dSSimon Glass 134b724bd7dSSimon Glassconfig SYS_MALLOC_F_LEN 135b724bd7dSSimon Glass hex "Size of malloc() pool before relocation" 136b724bd7dSSimon Glass depends on SYS_MALLOC_F 13790e407aeSSjoerd Simons default 0x1000 if AM33XX 138b724bd7dSSimon Glass default 0x400 139b724bd7dSSimon Glass help 14059d7c34bSRobert P. J. Day Before relocation, memory is very limited on many platforms. Still, 141b724bd7dSSimon Glass we can provide a small malloc() pool if needed. Driver model in 142b724bd7dSSimon Glass particular needs this to operate, so that it can allocate the 143b724bd7dSSimon Glass initial serial device and any others that are needed. 144b724bd7dSSimon Glass 14501aa5b8fSSiva Durga Prasad Paladuguconfig SYS_MALLOC_LEN 14601aa5b8fSSiva Durga Prasad Paladugu hex "Define memory for Dynamic allocation" 14701aa5b8fSSiva Durga Prasad Paladugu depends on ARCH_ZYNQ 14801aa5b8fSSiva Durga Prasad Paladugu help 14901aa5b8fSSiva Durga Prasad Paladugu This defines memory to be allocated for Dynamic allocation 15001aa5b8fSSiva Durga Prasad Paladugu TODO: Use for other architectures 15101aa5b8fSSiva Durga Prasad Paladugu 152f1896c45SAndy Yanconfig SPL_SYS_MALLOC_F_LEN 153ae2cee2eSPhilipp Tomsich hex "Size of malloc() pool in SPL before relocation" 154ae2cee2eSPhilipp Tomsich depends on SYS_MALLOC_F 155ae2cee2eSPhilipp Tomsich default SYS_MALLOC_F_LEN 156ae2cee2eSPhilipp Tomsich help 157ae2cee2eSPhilipp Tomsich Before relocation, memory is very limited on many platforms. Still, 158ae2cee2eSPhilipp Tomsich we can provide a small malloc() pool if needed. Driver model in 159ae2cee2eSPhilipp Tomsich particular needs this to operate, so that it can allocate the 160ae2cee2eSPhilipp Tomsich initial serial device and any others that are needed. 161ae2cee2eSPhilipp Tomsich 162ae2cee2eSPhilipp Tomsichconfig TPL_SYS_MALLOC_F_LEN 163ae2cee2eSPhilipp Tomsich hex "Size of malloc() pool in TPL before relocation" 164f1896c45SAndy Yan depends on SYS_MALLOC_F 165f1896c45SAndy Yan default SYS_MALLOC_F_LEN 166f1896c45SAndy Yan help 167f1896c45SAndy Yan Before relocation, memory is very limited on many platforms. Still, 168f1896c45SAndy Yan we can provide a small malloc() pool if needed. Driver model in 169f1896c45SAndy Yan particular needs this to operate, so that it can allocate the 170f1896c45SAndy Yan initial serial device and any others that are needed. 171f1896c45SAndy Yan 1721bf0979fSTom Rinimenuconfig EXPERT 1731bf0979fSTom Rini bool "Configure standard U-Boot features (expert users)" 1740aa8a4adSPrzemyslaw Marczak default y 1751bf0979fSTom Rini help 1761bf0979fSTom Rini This option allows certain base U-Boot options and settings 1771bf0979fSTom Rini to be disabled or tweaked. This is for specialized 1781bf0979fSTom Rini environments which can tolerate a "non-standard" U-Boot. 17959d7c34bSRobert P. J. Day Use this only if you really know what you are doing. 1801bf0979fSTom Rini 1810aa8a4adSPrzemyslaw Marczakif EXPERT 1820aa8a4adSPrzemyslaw Marczak config SYS_MALLOC_CLEAR_ON_INIT 1830aa8a4adSPrzemyslaw Marczak bool "Init with zeros the memory reserved for malloc (slow)" 1840aa8a4adSPrzemyslaw Marczak default y 1850aa8a4adSPrzemyslaw Marczak help 1860aa8a4adSPrzemyslaw Marczak This setting is enabled by default. The reserved malloc 1870aa8a4adSPrzemyslaw Marczak memory is initialized with zeros, so first malloc calls 1880aa8a4adSPrzemyslaw Marczak will return the pointer to the zeroed memory. But this 1890aa8a4adSPrzemyslaw Marczak slows the boot time. 1900aa8a4adSPrzemyslaw Marczak 1910aa8a4adSPrzemyslaw Marczak It is recommended to disable it, when CONFIG_SYS_MALLOC_LEN 1920aa8a4adSPrzemyslaw Marczak value, has more than few MiB, e.g. when uses bzip2 or bmp logo. 1930aa8a4adSPrzemyslaw Marczak Then the boot time can be significantly reduced. 1940aa8a4adSPrzemyslaw Marczak Warning: 1950aa8a4adSPrzemyslaw Marczak When disabling this, please check if malloc calls, maybe 19659d7c34bSRobert P. J. Day should be replaced by calloc - if one expects zeroed memory. 197022885cbSSimon Glass 198022885cbSSimon Glassconfig TOOLS_DEBUG 199022885cbSSimon Glass bool "Enable debug information for tools" 200022885cbSSimon Glass help 201022885cbSSimon Glass Enable generation of debug information for tools such as mkimage. 202022885cbSSimon Glass This can be used for debugging purposes. With debug information 203022885cbSSimon Glass it is possible to set breakpoints on particular lines, single-step 204022885cbSSimon Glass debug through the source code, etc. 205022885cbSSimon Glass 206266aa86bSRobert P. J. Dayendif # EXPERT 207bb6b142fSMasahiro Yamada 208bb6b142fSMasahiro Yamadaconfig PHYS_64BIT 209bb6b142fSMasahiro Yamada bool "64bit physical address support" 210bb6b142fSMasahiro Yamada help 211bb6b142fSMasahiro Yamada Say Y here to support 64bit physical memory address. 212bb6b142fSMasahiro Yamada This can be used not only for 64bit SoCs, but also for 213bb6b142fSMasahiro Yamada large physical address extention on 32bit SoCs. 214bb6b142fSMasahiro Yamada 215871aa41dSHeinrich Schuchardtconfig BUILD_ROM 216871aa41dSHeinrich Schuchardt bool "Build U-Boot as BIOS replacement" 217871aa41dSHeinrich Schuchardt depends on X86 218871aa41dSHeinrich Schuchardt help 219871aa41dSHeinrich Schuchardt This option allows to build a ROM version of U-Boot. 220871aa41dSHeinrich Schuchardt The build process generally requires several binary blobs 221871aa41dSHeinrich Schuchardt which are not shipped in the U-Boot source tree. 222871aa41dSHeinrich Schuchardt Please, see doc/README.x86 for details. 223871aa41dSHeinrich Schuchardt 22440ad4c4bSMasahiro Yamadaendmenu # General setup 22540ad4c4bSMasahiro Yamada 226e91c3c33SMasahiro Yamadamenu "Boot images" 227e91c3c33SMasahiro Yamada 22848f6232eSTom Riniconfig ANDROID_BOOT_IMAGE 22948f6232eSTom Rini bool "Enable support for Android Boot Images" 23048f6232eSTom Rini default y if FASTBOOT 23148f6232eSTom Rini help 23248f6232eSTom Rini This enables support for booting images which use the Android 23348f6232eSTom Rini image format header. 23448f6232eSTom Rini 235b6cf4439SMasahiro Yamadaconfig FIT 236b6cf4439SMasahiro Yamada bool "Support Flattened Image Tree" 237aeb9c53cSAndre Przywara select MD5 238089df18bSTom Rini select SHA1 239b6cf4439SMasahiro Yamada help 240266aa86bSRobert P. J. Day This option allows you to boot the new uImage structure, 241b6cf4439SMasahiro Yamada Flattened Image Tree. FIT is formally a FDT, which can include 242b6cf4439SMasahiro Yamada images of various types (kernel, FDT blob, ramdisk, etc.) 243b6cf4439SMasahiro Yamada in a single blob. To boot this new uImage structure, 2441f9ac4a4SIgor Grinberg pass the address of the blob to the "bootm" command. 24573223f0eSSimon Glass FIT is very flexible, supporting compression, multiple images, 24673223f0eSSimon Glass multiple configurations, verification through hashing and also 247266aa86bSRobert P. J. Day verified boot (secure boot using RSA). 248b6cf4439SMasahiro Yamada 249266aa86bSRobert P. J. Dayif FIT 250b6cf4439SMasahiro Yamada 2510db7f685STom Riniconfig FIT_ENABLE_SHA256_SUPPORT 2520db7f685STom Rini bool "Support SHA256 checksum of FIT image contents" 2530db7f685STom Rini default y 25458008cbaSMichal Simek select SHA256 2550db7f685STom Rini help 2560db7f685STom Rini Enable this to support SHA256 checksum of FIT image contents. A 2570db7f685STom Rini SHA256 checksum is a 256-bit (32-byte) hash value used to check that 2580db7f685STom Rini the image contents have not been corrupted. SHA256 is recommended 2590db7f685STom Rini for use in secure applications since (as at 2016) there is no known 2600db7f685STom Rini feasible attack that could produce a 'collision' with differing 2610db7f685STom Rini input data. Use this for the highest security. Note that only the 2620db7f685STom Rini SHA256 variant is supported: SHA512 and others are not currently 2630db7f685STom Rini supported in U-Boot. 2640db7f685STom Rini 265b6cf4439SMasahiro Yamadaconfig FIT_SIGNATURE 266c4beb22fSRuchika Gupta bool "Enable signature verification of FIT uImages" 2679009798dSChris Kuethe depends on DM 268535adee8SKelvin Cheung select HASH 26958008cbaSMichal Simek select RSA 270b6cf4439SMasahiro Yamada help 271b6cf4439SMasahiro Yamada This option enables signature verification of FIT uImages, 27294e3c8c4Sgaurav rana using a hash signed and verified using RSA. If 27394e3c8c4Sgaurav rana CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive 274266aa86bSRobert P. J. Day hashing is available using hardware, then the RSA library will use 27573223f0eSSimon Glass it. See doc/uImage.FIT/signature.txt for more details. 27673223f0eSSimon Glass 27773223f0eSSimon Glass WARNING: When relying on signed FIT images with a required signature 27873223f0eSSimon Glass check the legacy image format is disabled by default, so that 27973223f0eSSimon Glass unsigned images cannot be loaded. If a board needs the legacy image 28073223f0eSSimon Glass format support in this case, enable it using 28173223f0eSSimon Glass CONFIG_IMAGE_FORMAT_LEGACY. 28273223f0eSSimon Glass 28372239fc8STeddy Reedconfig FIT_SIGNATURE_MAX_SIZE 28472239fc8STeddy Reed hex "Max size of signed FIT structures" 28572239fc8STeddy Reed depends on FIT_SIGNATURE 28672239fc8STeddy Reed default 0x10000000 28772239fc8STeddy Reed help 28872239fc8STeddy Reed This option sets a max size in bytes for verified FIT uImages. 28972239fc8STeddy Reed A sane value of 256MB protects corrupted DTB structures from overlapping 29072239fc8STeddy Reed device memory. Assure this size does not extend past expected storage 29172239fc8STeddy Reed space. 29272239fc8STeddy Reed 293266aa86bSRobert P. J. Dayconfig FIT_VERBOSE 294266aa86bSRobert P. J. Day bool "Show verbose messages when FIT images fail" 295266aa86bSRobert P. J. Day help 296266aa86bSRobert P. J. Day Generally a system will have valid FIT images so debug messages 297266aa86bSRobert P. J. Day are a waste of code space. If you are debugging your images then 298266aa86bSRobert P. J. Day you can enable this option to get more verbose information about 299266aa86bSRobert P. J. Day failures. 30051c14cd1STeddy Reed 30173223f0eSSimon Glassconfig FIT_BEST_MATCH 30273223f0eSSimon Glass bool "Select the best match for the kernel device tree" 30373223f0eSSimon Glass help 30473223f0eSSimon Glass When no configuration is explicitly selected, default to the 30573223f0eSSimon Glass one whose fdt's compatibility field best matches that of 30673223f0eSSimon Glass U-Boot itself. A match is considered "best" if it matches the 30773223f0eSSimon Glass most specific compatibility entry of U-Boot's fdt's root node. 30873223f0eSSimon Glass The order of entries in the configuration's fdt is ignored. 30973223f0eSSimon Glass 310266aa86bSRobert P. J. Dayconfig FIT_IMAGE_POST_PROCESS 311266aa86bSRobert P. J. Day bool "Enable post-processing of FIT artifacts after loading by U-Boot" 312266aa86bSRobert P. J. Day depends on TI_SECURE_DEVICE 31373223f0eSSimon Glass help 314266aa86bSRobert P. J. Day Allows doing any sort of manipulation to blobs after they got extracted 315266aa86bSRobert P. J. Day from FIT images like stripping off headers or modifying the size of the 316266aa86bSRobert P. J. Day blob, verification, authentication, decryption etc. in a platform or 317266aa86bSRobert P. J. Day board specific way. In order to use this feature a platform or board- 318266aa86bSRobert P. J. Day specific implementation of board_fit_image_post_process() must be 319266aa86bSRobert P. J. Day provided. Also, anything done during this post-processing step would 320266aa86bSRobert P. J. Day need to be comprehended in how the images were prepared before being 321266aa86bSRobert P. J. Day injected into the FIT creation (i.e. the blobs would have been pre- 322266aa86bSRobert P. J. Day processed before being added to the FIT image). 323266aa86bSRobert P. J. Day 32471139113STom Riniif SPL 32571139113STom Rini 326266aa86bSRobert P. J. Dayconfig SPL_FIT 327266aa86bSRobert P. J. Day bool "Support Flattened Image Tree within SPL" 328266aa86bSRobert P. J. Day depends on SPL 32985c07a5aSAndre Przywara select SPL_OF_LIBFDT 330266aa86bSRobert P. J. Day 331b527b9c6SMarek Vasutconfig SPL_FIT_PRINT 332b527b9c6SMarek Vasut bool "Support FIT printing within SPL" 333b527b9c6SMarek Vasut depends on SPL_FIT 334b527b9c6SMarek Vasut help 335b527b9c6SMarek Vasut Support printing the content of the fitImage in a verbose manner in SPL. 336b527b9c6SMarek Vasut 337266aa86bSRobert P. J. Dayconfig SPL_FIT_SIGNATURE 338266aa86bSRobert P. J. Day bool "Enable signature verification of FIT firmware within SPL" 339266aa86bSRobert P. J. Day depends on SPL_DM 34085c07a5aSAndre Przywara select SPL_FIT 341266aa86bSRobert P. J. Day select SPL_RSA 342266aa86bSRobert P. J. Day 343266aa86bSRobert P. J. Dayconfig SPL_LOAD_FIT 344266aa86bSRobert P. J. Day bool "Enable SPL loading U-Boot as a FIT" 34585c07a5aSAndre Przywara select SPL_FIT 346266aa86bSRobert P. J. Day help 347266aa86bSRobert P. J. Day Normally with the SPL framework a legacy image is generated as part 348266aa86bSRobert P. J. Day of the build. This contains U-Boot along with information as to 349266aa86bSRobert P. J. Day where it should be loaded. This option instead enables generation 350266aa86bSRobert P. J. Day of a FIT (Flat Image Tree) which provides more flexibility. In 351266aa86bSRobert P. J. Day particular it can handle selecting from multiple device tree 352266aa86bSRobert P. J. Day and passing the correct one to U-Boot. 353266aa86bSRobert P. J. Day 3548a9dc16eSMarek Vasutconfig SPL_LOAD_FIT_FULL 3558a9dc16eSMarek Vasut bool "Enable SPL loading U-Boot as a FIT" 3568a9dc16eSMarek Vasut select SPL_FIT 3578a9dc16eSMarek Vasut help 3588a9dc16eSMarek Vasut Normally with the SPL framework a legacy image is generated as part 3598a9dc16eSMarek Vasut of the build. This contains U-Boot along with information as to 3608a9dc16eSMarek Vasut where it should be loaded. This option instead enables generation 3618a9dc16eSMarek Vasut of a FIT (Flat Image Tree) which provides more flexibility. In 3628a9dc16eSMarek Vasut particular it can handle selecting from multiple device tree 3638a9dc16eSMarek Vasut and passing the correct one to U-Boot. 3648a9dc16eSMarek Vasut 365266aa86bSRobert P. J. Dayconfig SPL_FIT_IMAGE_POST_PROCESS 366266aa86bSRobert P. J. Day bool "Enable post-processing of FIT artifacts after loading by the SPL" 367c12d8b7dSext-vasily.gurevich@vaisala.com depends on SPL_LOAD_FIT 368266aa86bSRobert P. J. Day help 369266aa86bSRobert P. J. Day Allows doing any sort of manipulation to blobs after they got extracted 370266aa86bSRobert P. J. Day from the U-Boot FIT image like stripping off headers or modifying the 371266aa86bSRobert P. J. Day size of the blob, verification, authentication, decryption etc. in a 372266aa86bSRobert P. J. Day platform or board specific way. In order to use this feature a platform 373266aa86bSRobert P. J. Day or board-specific implementation of board_fit_image_post_process() must 374266aa86bSRobert P. J. Day be provided. Also, anything done during this post-processing step would 375266aa86bSRobert P. J. Day need to be comprehended in how the images were prepared before being 376266aa86bSRobert P. J. Day injected into the FIT creation (i.e. the blobs would have been pre- 377266aa86bSRobert P. J. Day processed before being added to the FIT image). 378266aa86bSRobert P. J. Day 3791a12fdc4SAndre Przywaraconfig SPL_FIT_SOURCE 3801a12fdc4SAndre Przywara string ".its source file for U-Boot FIT image" 3811a12fdc4SAndre Przywara depends on SPL_FIT 3821a12fdc4SAndre Przywara help 3831a12fdc4SAndre Przywara Specifies a (platform specific) FIT source file to generate the 3841a12fdc4SAndre Przywara U-Boot FIT image. This could specify further image to load and/or 3851a12fdc4SAndre Przywara execute. 3861a12fdc4SAndre Przywara 3871a12fdc4SAndre Przywaraconfig SPL_FIT_GENERATOR 3881a12fdc4SAndre Przywara string ".its file generator script for U-Boot FIT image" 3891a12fdc4SAndre Przywara depends on SPL_FIT 390d29adf8eSAndre Przywara default "board/sunxi/mksunxi_fit_atf.sh" if SPL_LOAD_FIT && ARCH_SUNXI 3911a12fdc4SAndre Przywara help 3921a12fdc4SAndre Przywara Specifies a (platform specific) script file to generate the FIT 3931a12fdc4SAndre Przywara source file used to build the U-Boot FIT image file. This gets 3941a12fdc4SAndre Przywara passed a list of supported device tree file stub names to 3951a12fdc4SAndre Przywara include in the generated image. 3961a12fdc4SAndre Przywara 39771139113STom Riniendif # SPL 39871139113STom Rini 399266aa86bSRobert P. J. Dayendif # FIT 40073223f0eSSimon Glass 401002c3234SAlex Kiernanconfig IMAGE_FORMAT_LEGACY 402002c3234SAlex Kiernan bool "Enable support for the legacy image format" 403002c3234SAlex Kiernan default y if !FIT_SIGNATURE 404002c3234SAlex Kiernan help 405002c3234SAlex Kiernan This option enables the legacy image format. It is enabled by 406002c3234SAlex Kiernan default for backward compatibility, unless FIT_SIGNATURE is 407002c3234SAlex Kiernan set where it is disabled so that unsigned images cannot be 408002c3234SAlex Kiernan loaded. If a board needs the legacy image format support in this 409002c3234SAlex Kiernan case, enable it here. 410002c3234SAlex Kiernan 41173223f0eSSimon Glassconfig OF_BOARD_SETUP 41273223f0eSSimon Glass bool "Set up board-specific details in device tree before boot" 41373223f0eSSimon Glass depends on OF_LIBFDT 41473223f0eSSimon Glass help 41573223f0eSSimon Glass This causes U-Boot to call ft_board_setup() before booting into 41673223f0eSSimon Glass the Operating System. This function can set up various 41773223f0eSSimon Glass board-specific information in the device tree for use by the OS. 41873223f0eSSimon Glass The device tree is then passed to the OS. 41973223f0eSSimon Glass 42073223f0eSSimon Glassconfig OF_SYSTEM_SETUP 42173223f0eSSimon Glass bool "Set up system-specific details in device tree before boot" 42273223f0eSSimon Glass depends on OF_LIBFDT 42373223f0eSSimon Glass help 42473223f0eSSimon Glass This causes U-Boot to call ft_system_setup() before booting into 42573223f0eSSimon Glass the Operating System. This function can set up various 42673223f0eSSimon Glass system-specific information in the device tree for use by the OS. 42773223f0eSSimon Glass The device tree is then passed to the OS. 42873223f0eSSimon Glass 42973223f0eSSimon Glassconfig OF_STDOUT_VIA_ALIAS 43073223f0eSSimon Glass bool "Update the device-tree stdout alias from U-Boot" 43173223f0eSSimon Glass depends on OF_LIBFDT 43273223f0eSSimon Glass help 43373223f0eSSimon Glass This uses U-Boot's serial alias from the aliases node to update 43473223f0eSSimon Glass the device tree passed to the OS. The "linux,stdout-path" property 43573223f0eSSimon Glass in the chosen node is set to point to the correct serial node. 43673223f0eSSimon Glass This option currently references CONFIG_CONS_INDEX, which is 43773223f0eSSimon Glass incorrect when used with device tree as this option does not 43873223f0eSSimon Glass exist / should not be used. 439b6cf4439SMasahiro Yamada 44051631259SMasahiro Yamadaconfig SYS_EXTRA_OPTIONS 44151631259SMasahiro Yamada string "Extra Options (DEPRECATED)" 44251631259SMasahiro Yamada help 44351631259SMasahiro Yamada The old configuration infrastructure (= mkconfig + boards.cfg) 444ed36323fSMasahiro Yamada provided the extra options field. If you have something like 44551631259SMasahiro Yamada "HAS_BAR,BAZ=64", the optional options 44651631259SMasahiro Yamada #define CONFIG_HAS 44751631259SMasahiro Yamada #define CONFIG_BAZ 64 44851631259SMasahiro Yamada will be defined in include/config.h. 44951631259SMasahiro Yamada This option was prepared for the smooth migration from the old 45051631259SMasahiro Yamada configuration to Kconfig. Since this option will be removed sometime, 45151631259SMasahiro Yamada new boards should not use this option. 45251631259SMasahiro Yamada 4537f7563ceSMasahiro Yamadaconfig SYS_TEXT_BASE 454278b90ceSTom Rini depends on !NIOS2 && !XTENSA 455484cce0dSBen Stoltz depends on !EFI_APP 456*586bde93SLokesh Vutla default 0x80800000 if ARCH_OMAP2PLUS || ARCH_K3 457341c0586SAndre Przywara default 0x4a000000 if ARCH_SUNXI && !MACH_SUN9I && !MACH_SUN8I_V3S 458341c0586SAndre Przywara default 0x2a000000 if ARCH_SUNXI && MACH_SUN9I 459341c0586SAndre Przywara default 0x42e00000 if ARCH_SUNXI && MACH_SUN8I_V3S 4607f7563ceSMasahiro Yamada hex "Text Base" 4617f7563ceSMasahiro Yamada help 462278b90ceSTom Rini The address in memory that U-Boot will be running from, initially. 4637f7563ceSMasahiro Yamada 4647e0ed13fSAdam Ford 465eba3fbd6SAndreas Dannenberg 46633d88183SAlexey Brodkinconfig SYS_CLK_FREQ 467e71b422bSIain Paton depends on ARC || ARCH_SUNXI 46833d88183SAlexey Brodkin int "CPU clock frequency" 46933d88183SAlexey Brodkin help 47033d88183SAlexey Brodkin TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture 47133d88183SAlexey Brodkin 47263c09417SMasahiro Yamadaconfig ARCH_FIXUP_FDT_MEMORY 47363c09417SMasahiro Yamada bool "Enable arch_fixup_memory_banks() call" 474e2f88dfdSMichal Simek default y 475e2f88dfdSMichal Simek help 476e2f88dfdSMichal Simek Enable FDT memory map syncup before OS boot. This feature can be 477e2f88dfdSMichal Simek used for booting OS with different memory setup where the part of 478e2f88dfdSMichal Simek the memory location should be used for different purpose. 479e2f88dfdSMichal Simek 480e91c3c33SMasahiro Yamadaendmenu # Boot images 48151631259SMasahiro Yamada 4824db98d3dSEmmanuel Vadotsource "api/Kconfig" 4834db98d3dSEmmanuel Vadot 484ed36323fSMasahiro Yamadasource "common/Kconfig" 485ed36323fSMasahiro Yamada 48672a8cf8dSSimon Glasssource "cmd/Kconfig" 48772a8cf8dSSimon Glass 488e274ef6bSPatrick Delaunaysource "disk/Kconfig" 489e274ef6bSPatrick Delaunay 490783e6a72SMasahiro Yamadasource "dts/Kconfig" 491783e6a72SMasahiro Yamada 4920649cd0dSSimon Glasssource "env/Kconfig" 4930649cd0dSSimon Glass 494ed36323fSMasahiro Yamadasource "net/Kconfig" 495ed36323fSMasahiro Yamada 496ed36323fSMasahiro Yamadasource "drivers/Kconfig" 497ed36323fSMasahiro Yamada 498ed36323fSMasahiro Yamadasource "fs/Kconfig" 499ed36323fSMasahiro Yamada 500ed36323fSMasahiro Yamadasource "lib/Kconfig" 5011967982aSSimon Glass 5021967982aSSimon Glasssource "test/Kconfig" 503