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 894aa74926SAlexander Graf imply USB_STORAGE 9058008cbaSMichal Simek imply USE_BOOTCOMMAND 919f823615SHans de Goede help 929f823615SHans de Goede Select this to enable various options and commands which are suitable 939f823615SHans de Goede for building u-boot for booting general purpose Linux distributions. 949f823615SHans de Goede 95d021e942SAdam Fordconfig ENV_VARS_UBOOT_CONFIG 96d021e942SAdam Ford bool "Add arch, board, vendor and soc variables to default environment" 97d021e942SAdam Ford help 98d021e942SAdam Ford Define this in order to add variables describing the 99d021e942SAdam Ford U-Boot build configuration to the default environment. 100d021e942SAdam Ford These will be named arch, cpu, board, vendor, and soc. 101d021e942SAdam Ford Enabling this option will cause the following to be defined: 102d021e942SAdam Ford - CONFIG_SYS_ARCH 103d021e942SAdam Ford - CONFIG_SYS_CPU 104d021e942SAdam Ford - CONFIG_SYS_BOARD 105d021e942SAdam Ford - CONFIG_SYS_VENDOR 106d021e942SAdam Ford - CONFIG_SYS_SOC 107d021e942SAdam Ford 108999a772dSRamon Friedconfig NR_DRAM_BANKS 109999a772dSRamon Fried int "Number of DRAM banks" 110999a772dSRamon Fried default 4 111999a772dSRamon Fried help 112999a772dSRamon Fried This defines the number of DRAM banks. 113999a772dSRamon Fried 114405fc830SDerald D. Woodsconfig SYS_BOOT_GET_CMDLINE 115405fc830SDerald D. Woods bool "Enable kernel command line setup" 116405fc830SDerald D. Woods help 117405fc830SDerald D. Woods Enables allocating and saving kernel cmdline in space between 118405fc830SDerald D. Woods "bootm_low" and "bootm_low" + BOOTMAPSZ. 119405fc830SDerald D. Woods 120405fc830SDerald D. Woodsconfig SYS_BOOT_GET_KBD 121405fc830SDerald D. Woods bool "Enable kernel board information setup" 122405fc830SDerald D. Woods help 123405fc830SDerald D. Woods Enables allocating and saving a kernel copy of the bd_info in 124405fc830SDerald D. Woods space between "bootm_low" and "bootm_low" + BOOTMAPSZ. 125405fc830SDerald D. Woods 126b724bd7dSSimon Glassconfig SYS_MALLOC_F 127b724bd7dSSimon Glass bool "Enable malloc() pool before relocation" 128326a6823SMasahiro Yamada default y if DM 12915a5c72cSSimon Glass 130b724bd7dSSimon Glass help 13159d7c34bSRobert P. J. Day Before relocation, memory is very limited on many platforms. Still, 132b724bd7dSSimon Glass we can provide a small malloc() pool if needed. Driver model in 133b724bd7dSSimon Glass particular needs this to operate, so that it can allocate the 134b724bd7dSSimon Glass initial serial device and any others that are needed. 135b724bd7dSSimon Glass 136b724bd7dSSimon Glassconfig SYS_MALLOC_F_LEN 137b724bd7dSSimon Glass hex "Size of malloc() pool before relocation" 138b724bd7dSSimon Glass depends on SYS_MALLOC_F 13990e407aeSSjoerd Simons default 0x1000 if AM33XX 14015a5c72cSSimon Glass default 0x2800 if SANDBOX 141b724bd7dSSimon Glass default 0x400 142b724bd7dSSimon Glass help 14359d7c34bSRobert P. J. Day Before relocation, memory is very limited on many platforms. Still, 144b724bd7dSSimon Glass we can provide a small malloc() pool if needed. Driver model in 145b724bd7dSSimon Glass particular needs this to operate, so that it can allocate the 146b724bd7dSSimon Glass initial serial device and any others that are needed. 147b724bd7dSSimon Glass 14801aa5b8fSSiva Durga Prasad Paladuguconfig SYS_MALLOC_LEN 14901aa5b8fSSiva Durga Prasad Paladugu hex "Define memory for Dynamic allocation" 150ec48b6c9SMichal Simek depends on ARCH_ZYNQ || ARCH_VERSAL 15101aa5b8fSSiva Durga Prasad Paladugu help 15201aa5b8fSSiva Durga Prasad Paladugu This defines memory to be allocated for Dynamic allocation 15301aa5b8fSSiva Durga Prasad Paladugu TODO: Use for other architectures 15401aa5b8fSSiva Durga Prasad Paladugu 155f1896c45SAndy Yanconfig SPL_SYS_MALLOC_F_LEN 156ae2cee2eSPhilipp Tomsich hex "Size of malloc() pool in SPL before relocation" 157ae2cee2eSPhilipp Tomsich depends on SYS_MALLOC_F 158ae2cee2eSPhilipp Tomsich default SYS_MALLOC_F_LEN 159ae2cee2eSPhilipp Tomsich help 160ae2cee2eSPhilipp Tomsich Before relocation, memory is very limited on many platforms. Still, 161ae2cee2eSPhilipp Tomsich we can provide a small malloc() pool if needed. Driver model in 162ae2cee2eSPhilipp Tomsich particular needs this to operate, so that it can allocate the 163ae2cee2eSPhilipp Tomsich initial serial device and any others that are needed. 164ae2cee2eSPhilipp Tomsich 165ae2cee2eSPhilipp Tomsichconfig TPL_SYS_MALLOC_F_LEN 166ae2cee2eSPhilipp Tomsich hex "Size of malloc() pool in TPL before relocation" 167f1896c45SAndy Yan depends on SYS_MALLOC_F 168f1896c45SAndy Yan default SYS_MALLOC_F_LEN 169f1896c45SAndy Yan help 170f1896c45SAndy Yan Before relocation, memory is very limited on many platforms. Still, 171f1896c45SAndy Yan we can provide a small malloc() pool if needed. Driver model in 172f1896c45SAndy Yan particular needs this to operate, so that it can allocate the 173f1896c45SAndy Yan initial serial device and any others that are needed. 174f1896c45SAndy Yan 1751bf0979fSTom Rinimenuconfig EXPERT 1761bf0979fSTom Rini bool "Configure standard U-Boot features (expert users)" 1770aa8a4adSPrzemyslaw Marczak default y 1781bf0979fSTom Rini help 1791bf0979fSTom Rini This option allows certain base U-Boot options and settings 1801bf0979fSTom Rini to be disabled or tweaked. This is for specialized 1811bf0979fSTom Rini environments which can tolerate a "non-standard" U-Boot. 18259d7c34bSRobert P. J. Day Use this only if you really know what you are doing. 1831bf0979fSTom Rini 1840aa8a4adSPrzemyslaw Marczakif EXPERT 1850aa8a4adSPrzemyslaw Marczak config SYS_MALLOC_CLEAR_ON_INIT 1860aa8a4adSPrzemyslaw Marczak bool "Init with zeros the memory reserved for malloc (slow)" 1870aa8a4adSPrzemyslaw Marczak default y 1880aa8a4adSPrzemyslaw Marczak help 1890aa8a4adSPrzemyslaw Marczak This setting is enabled by default. The reserved malloc 1900aa8a4adSPrzemyslaw Marczak memory is initialized with zeros, so first malloc calls 1910aa8a4adSPrzemyslaw Marczak will return the pointer to the zeroed memory. But this 1920aa8a4adSPrzemyslaw Marczak slows the boot time. 1930aa8a4adSPrzemyslaw Marczak 1940aa8a4adSPrzemyslaw Marczak It is recommended to disable it, when CONFIG_SYS_MALLOC_LEN 1950aa8a4adSPrzemyslaw Marczak value, has more than few MiB, e.g. when uses bzip2 or bmp logo. 1960aa8a4adSPrzemyslaw Marczak Then the boot time can be significantly reduced. 1970aa8a4adSPrzemyslaw Marczak Warning: 1980aa8a4adSPrzemyslaw Marczak When disabling this, please check if malloc calls, maybe 19959d7c34bSRobert P. J. Day should be replaced by calloc - if one expects zeroed memory. 200022885cbSSimon Glass 201022885cbSSimon Glassconfig TOOLS_DEBUG 202022885cbSSimon Glass bool "Enable debug information for tools" 203022885cbSSimon Glass help 204022885cbSSimon Glass Enable generation of debug information for tools such as mkimage. 205022885cbSSimon Glass This can be used for debugging purposes. With debug information 206022885cbSSimon Glass it is possible to set breakpoints on particular lines, single-step 207022885cbSSimon Glass debug through the source code, etc. 208022885cbSSimon Glass 209266aa86bSRobert P. J. Dayendif # EXPERT 210bb6b142fSMasahiro Yamada 211bb6b142fSMasahiro Yamadaconfig PHYS_64BIT 212bb6b142fSMasahiro Yamada bool "64bit physical address support" 213bb6b142fSMasahiro Yamada help 214bb6b142fSMasahiro Yamada Say Y here to support 64bit physical memory address. 215bb6b142fSMasahiro Yamada This can be used not only for 64bit SoCs, but also for 2163aeb771cSChris Packham large physical address extension on 32bit SoCs. 217bb6b142fSMasahiro Yamada 218871aa41dSHeinrich Schuchardtconfig BUILD_ROM 219871aa41dSHeinrich Schuchardt bool "Build U-Boot as BIOS replacement" 220871aa41dSHeinrich Schuchardt depends on X86 221871aa41dSHeinrich Schuchardt help 222871aa41dSHeinrich Schuchardt This option allows to build a ROM version of U-Boot. 223871aa41dSHeinrich Schuchardt The build process generally requires several binary blobs 224871aa41dSHeinrich Schuchardt which are not shipped in the U-Boot source tree. 225871aa41dSHeinrich Schuchardt Please, see doc/README.x86 for details. 226871aa41dSHeinrich Schuchardt 227dc146ca1SJagan Tekiconfig BUILD_TARGET 228dc146ca1SJagan Teki string "Build target special images" 229dc146ca1SJagan Teki default "u-boot-with-spl.sfp" if ARCH_SOCFPGA 230dc146ca1SJagan Teki default "u-boot-spl.kwb" if ARCH_MVEBU && SPL_BUILD 231dc146ca1SJagan Teki default "u-boot-elf.srec" if RCAR_GEN3 232dc146ca1SJagan Teki default "u-boot.itb" if SPL_LOAD_FIT && ARCH_SUNXI 233*d5512a32SChris Packham default "u-boot.kwb" if KIRKWOOD 234dc146ca1SJagan Teki help 235dc146ca1SJagan Teki Some SoCs need special image types (e.g. U-Boot binary 236dc146ca1SJagan Teki with a special header) as build targets. By defining 237dc146ca1SJagan Teki CONFIG_BUILD_TARGET in the SoC / board header, this 238dc146ca1SJagan Teki special image will be automatically built upon calling 239dc146ca1SJagan Teki make / buildman. 240dc146ca1SJagan Teki 24140ad4c4bSMasahiro Yamadaendmenu # General setup 24240ad4c4bSMasahiro Yamada 243e91c3c33SMasahiro Yamadamenu "Boot images" 244e91c3c33SMasahiro Yamada 24548f6232eSTom Riniconfig ANDROID_BOOT_IMAGE 24648f6232eSTom Rini bool "Enable support for Android Boot Images" 24748f6232eSTom Rini default y if FASTBOOT 24848f6232eSTom Rini help 24948f6232eSTom Rini This enables support for booting images which use the Android 25048f6232eSTom Rini image format header. 25148f6232eSTom Rini 252b6cf4439SMasahiro Yamadaconfig FIT 253b6cf4439SMasahiro Yamada bool "Support Flattened Image Tree" 254aeb9c53cSAndre Przywara select MD5 255089df18bSTom Rini select SHA1 256b6cf4439SMasahiro Yamada help 257266aa86bSRobert P. J. Day This option allows you to boot the new uImage structure, 258b6cf4439SMasahiro Yamada Flattened Image Tree. FIT is formally a FDT, which can include 259b6cf4439SMasahiro Yamada images of various types (kernel, FDT blob, ramdisk, etc.) 260b6cf4439SMasahiro Yamada in a single blob. To boot this new uImage structure, 2611f9ac4a4SIgor Grinberg pass the address of the blob to the "bootm" command. 26273223f0eSSimon Glass FIT is very flexible, supporting compression, multiple images, 26373223f0eSSimon Glass multiple configurations, verification through hashing and also 264266aa86bSRobert P. J. Day verified boot (secure boot using RSA). 265b6cf4439SMasahiro Yamada 266266aa86bSRobert P. J. Dayif FIT 267b6cf4439SMasahiro Yamada 2683814fcbaSPeng Fanconfig FIT_EXTERNAL_OFFSET 2693814fcbaSPeng Fan hex "Text Base" 2703814fcbaSPeng Fan default 0x0 2713814fcbaSPeng Fan help 2723814fcbaSPeng Fan This specifies a data offset in fit image. 2733814fcbaSPeng Fan The offset is from data payload offset to the beginning of 2743814fcbaSPeng Fan fit image header. When specifies a offset, specific data 2753814fcbaSPeng Fan could be put in the hole between data payload and fit image 2763814fcbaSPeng Fan header, such as CSF data on i.MX platform. 2773814fcbaSPeng Fan 2780db7f685STom Riniconfig FIT_ENABLE_SHA256_SUPPORT 2790db7f685STom Rini bool "Support SHA256 checksum of FIT image contents" 2800db7f685STom Rini default y 28158008cbaSMichal Simek select SHA256 2820db7f685STom Rini help 2830db7f685STom Rini Enable this to support SHA256 checksum of FIT image contents. A 2840db7f685STom Rini SHA256 checksum is a 256-bit (32-byte) hash value used to check that 2850db7f685STom Rini the image contents have not been corrupted. SHA256 is recommended 2860db7f685STom Rini for use in secure applications since (as at 2016) there is no known 2870db7f685STom Rini feasible attack that could produce a 'collision' with differing 2880db7f685STom Rini input data. Use this for the highest security. Note that only the 2890db7f685STom Rini SHA256 variant is supported: SHA512 and others are not currently 2900db7f685STom Rini supported in U-Boot. 2910db7f685STom Rini 292b6cf4439SMasahiro Yamadaconfig FIT_SIGNATURE 293c4beb22fSRuchika Gupta bool "Enable signature verification of FIT uImages" 2949009798dSChris Kuethe depends on DM 295535adee8SKelvin Cheung select HASH 29658008cbaSMichal Simek select RSA 297b6cf4439SMasahiro Yamada help 298b6cf4439SMasahiro Yamada This option enables signature verification of FIT uImages, 29994e3c8c4Sgaurav rana using a hash signed and verified using RSA. If 30094e3c8c4Sgaurav rana CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive 301266aa86bSRobert P. J. Day hashing is available using hardware, then the RSA library will use 30273223f0eSSimon Glass it. See doc/uImage.FIT/signature.txt for more details. 30373223f0eSSimon Glass 30473223f0eSSimon Glass WARNING: When relying on signed FIT images with a required signature 30573223f0eSSimon Glass check the legacy image format is disabled by default, so that 30673223f0eSSimon Glass unsigned images cannot be loaded. If a board needs the legacy image 30773223f0eSSimon Glass format support in this case, enable it using 30873223f0eSSimon Glass CONFIG_IMAGE_FORMAT_LEGACY. 30973223f0eSSimon Glass 31072239fc8STeddy Reedconfig FIT_SIGNATURE_MAX_SIZE 31172239fc8STeddy Reed hex "Max size of signed FIT structures" 31272239fc8STeddy Reed depends on FIT_SIGNATURE 31372239fc8STeddy Reed default 0x10000000 31472239fc8STeddy Reed help 31572239fc8STeddy Reed This option sets a max size in bytes for verified FIT uImages. 31672239fc8STeddy Reed A sane value of 256MB protects corrupted DTB structures from overlapping 31772239fc8STeddy Reed device memory. Assure this size does not extend past expected storage 31872239fc8STeddy Reed space. 31972239fc8STeddy Reed 320061daa0bSPhilippe Reynesconfig FIT_ENABLE_RSASSA_PSS_SUPPORT 321061daa0bSPhilippe Reynes bool "Support rsassa-pss signature scheme of FIT image contents" 322061daa0bSPhilippe Reynes depends on FIT_SIGNATURE 323061daa0bSPhilippe Reynes default n 324061daa0bSPhilippe Reynes help 325061daa0bSPhilippe Reynes Enable this to support the pss padding algorithm as described 326061daa0bSPhilippe Reynes in the rfc8017 (https://tools.ietf.org/html/rfc8017). 327061daa0bSPhilippe Reynes 328266aa86bSRobert P. J. Dayconfig FIT_VERBOSE 329266aa86bSRobert P. J. Day bool "Show verbose messages when FIT images fail" 330266aa86bSRobert P. J. Day help 331266aa86bSRobert P. J. Day Generally a system will have valid FIT images so debug messages 332266aa86bSRobert P. J. Day are a waste of code space. If you are debugging your images then 333266aa86bSRobert P. J. Day you can enable this option to get more verbose information about 334266aa86bSRobert P. J. Day failures. 33551c14cd1STeddy Reed 33673223f0eSSimon Glassconfig FIT_BEST_MATCH 33773223f0eSSimon Glass bool "Select the best match for the kernel device tree" 33873223f0eSSimon Glass help 33973223f0eSSimon Glass When no configuration is explicitly selected, default to the 34073223f0eSSimon Glass one whose fdt's compatibility field best matches that of 34173223f0eSSimon Glass U-Boot itself. A match is considered "best" if it matches the 34273223f0eSSimon Glass most specific compatibility entry of U-Boot's fdt's root node. 34373223f0eSSimon Glass The order of entries in the configuration's fdt is ignored. 34473223f0eSSimon Glass 345266aa86bSRobert P. J. Dayconfig FIT_IMAGE_POST_PROCESS 346266aa86bSRobert P. J. Day bool "Enable post-processing of FIT artifacts after loading by U-Boot" 347266aa86bSRobert P. J. Day depends on TI_SECURE_DEVICE 34873223f0eSSimon Glass help 349266aa86bSRobert P. J. Day Allows doing any sort of manipulation to blobs after they got extracted 350266aa86bSRobert P. J. Day from FIT images like stripping off headers or modifying the size of the 351266aa86bSRobert P. J. Day blob, verification, authentication, decryption etc. in a platform or 352266aa86bSRobert P. J. Day board specific way. In order to use this feature a platform or board- 353266aa86bSRobert P. J. Day specific implementation of board_fit_image_post_process() must be 354266aa86bSRobert P. J. Day provided. Also, anything done during this post-processing step would 355266aa86bSRobert P. J. Day need to be comprehended in how the images were prepared before being 356266aa86bSRobert P. J. Day injected into the FIT creation (i.e. the blobs would have been pre- 357266aa86bSRobert P. J. Day processed before being added to the FIT image). 358266aa86bSRobert P. J. Day 35971139113STom Riniif SPL 36071139113STom Rini 361266aa86bSRobert P. J. Dayconfig SPL_FIT 362266aa86bSRobert P. J. Day bool "Support Flattened Image Tree within SPL" 363266aa86bSRobert P. J. Day depends on SPL 36485c07a5aSAndre Przywara select SPL_OF_LIBFDT 365266aa86bSRobert P. J. Day 366b527b9c6SMarek Vasutconfig SPL_FIT_PRINT 367b527b9c6SMarek Vasut bool "Support FIT printing within SPL" 368b527b9c6SMarek Vasut depends on SPL_FIT 369b527b9c6SMarek Vasut help 370b527b9c6SMarek Vasut Support printing the content of the fitImage in a verbose manner in SPL. 371b527b9c6SMarek Vasut 372266aa86bSRobert P. J. Dayconfig SPL_FIT_SIGNATURE 373266aa86bSRobert P. J. Day bool "Enable signature verification of FIT firmware within SPL" 374266aa86bSRobert P. J. Day depends on SPL_DM 37585c07a5aSAndre Przywara select SPL_FIT 376266aa86bSRobert P. J. Day select SPL_RSA 377266aa86bSRobert P. J. Day 378266aa86bSRobert P. J. Dayconfig SPL_LOAD_FIT 379266aa86bSRobert P. J. Day bool "Enable SPL loading U-Boot as a FIT" 38085c07a5aSAndre Przywara select SPL_FIT 381266aa86bSRobert P. J. Day help 382266aa86bSRobert P. J. Day Normally with the SPL framework a legacy image is generated as part 383266aa86bSRobert P. J. Day of the build. This contains U-Boot along with information as to 384266aa86bSRobert P. J. Day where it should be loaded. This option instead enables generation 385266aa86bSRobert P. J. Day of a FIT (Flat Image Tree) which provides more flexibility. In 386266aa86bSRobert P. J. Day particular it can handle selecting from multiple device tree 387266aa86bSRobert P. J. Day and passing the correct one to U-Boot. 388266aa86bSRobert P. J. Day 3898a9dc16eSMarek Vasutconfig SPL_LOAD_FIT_FULL 3908a9dc16eSMarek Vasut bool "Enable SPL loading U-Boot as a FIT" 3918a9dc16eSMarek Vasut select SPL_FIT 3928a9dc16eSMarek Vasut help 3938a9dc16eSMarek Vasut Normally with the SPL framework a legacy image is generated as part 3948a9dc16eSMarek Vasut of the build. This contains U-Boot along with information as to 3958a9dc16eSMarek Vasut where it should be loaded. This option instead enables generation 3968a9dc16eSMarek Vasut of a FIT (Flat Image Tree) which provides more flexibility. In 3978a9dc16eSMarek Vasut particular it can handle selecting from multiple device tree 3988a9dc16eSMarek Vasut and passing the correct one to U-Boot. 3998a9dc16eSMarek Vasut 400266aa86bSRobert P. J. Dayconfig SPL_FIT_IMAGE_POST_PROCESS 401266aa86bSRobert P. J. Day bool "Enable post-processing of FIT artifacts after loading by the SPL" 402c12d8b7dSext-vasily.gurevich@vaisala.com depends on SPL_LOAD_FIT 403266aa86bSRobert P. J. Day help 404266aa86bSRobert P. J. Day Allows doing any sort of manipulation to blobs after they got extracted 405266aa86bSRobert P. J. Day from the U-Boot FIT image like stripping off headers or modifying the 406266aa86bSRobert P. J. Day size of the blob, verification, authentication, decryption etc. in a 407266aa86bSRobert P. J. Day platform or board specific way. In order to use this feature a platform 408266aa86bSRobert P. J. Day or board-specific implementation of board_fit_image_post_process() must 409266aa86bSRobert P. J. Day be provided. Also, anything done during this post-processing step would 410266aa86bSRobert P. J. Day need to be comprehended in how the images were prepared before being 411266aa86bSRobert P. J. Day injected into the FIT creation (i.e. the blobs would have been pre- 412266aa86bSRobert P. J. Day processed before being added to the FIT image). 413266aa86bSRobert P. J. Day 4141a12fdc4SAndre Przywaraconfig SPL_FIT_SOURCE 4151a12fdc4SAndre Przywara string ".its source file for U-Boot FIT image" 4161a12fdc4SAndre Przywara depends on SPL_FIT 4171a12fdc4SAndre Przywara help 4181a12fdc4SAndre Przywara Specifies a (platform specific) FIT source file to generate the 4191a12fdc4SAndre Przywara U-Boot FIT image. This could specify further image to load and/or 4201a12fdc4SAndre Przywara execute. 4211a12fdc4SAndre Przywara 4221a12fdc4SAndre Przywaraconfig SPL_FIT_GENERATOR 4231a12fdc4SAndre Przywara string ".its file generator script for U-Boot FIT image" 4241a12fdc4SAndre Przywara depends on SPL_FIT 425d29adf8eSAndre Przywara default "board/sunxi/mksunxi_fit_atf.sh" if SPL_LOAD_FIT && ARCH_SUNXI 4261a12fdc4SAndre Przywara help 4271a12fdc4SAndre Przywara Specifies a (platform specific) script file to generate the FIT 4281a12fdc4SAndre Przywara source file used to build the U-Boot FIT image file. This gets 4291a12fdc4SAndre Przywara passed a list of supported device tree file stub names to 4301a12fdc4SAndre Przywara include in the generated image. 4311a12fdc4SAndre Przywara 43271139113STom Riniendif # SPL 43371139113STom Rini 434266aa86bSRobert P. J. Dayendif # FIT 43573223f0eSSimon Glass 436002c3234SAlex Kiernanconfig IMAGE_FORMAT_LEGACY 437002c3234SAlex Kiernan bool "Enable support for the legacy image format" 438002c3234SAlex Kiernan default y if !FIT_SIGNATURE 439002c3234SAlex Kiernan help 440002c3234SAlex Kiernan This option enables the legacy image format. It is enabled by 441002c3234SAlex Kiernan default for backward compatibility, unless FIT_SIGNATURE is 442002c3234SAlex Kiernan set where it is disabled so that unsigned images cannot be 443002c3234SAlex Kiernan loaded. If a board needs the legacy image format support in this 444002c3234SAlex Kiernan case, enable it here. 445002c3234SAlex Kiernan 44673223f0eSSimon Glassconfig OF_BOARD_SETUP 44773223f0eSSimon Glass bool "Set up board-specific details in device tree before boot" 44873223f0eSSimon Glass depends on OF_LIBFDT 44973223f0eSSimon Glass help 45073223f0eSSimon Glass This causes U-Boot to call ft_board_setup() before booting into 45173223f0eSSimon Glass the Operating System. This function can set up various 45273223f0eSSimon Glass board-specific information in the device tree for use by the OS. 45373223f0eSSimon Glass The device tree is then passed to the OS. 45473223f0eSSimon Glass 45573223f0eSSimon Glassconfig OF_SYSTEM_SETUP 45673223f0eSSimon Glass bool "Set up system-specific details in device tree before boot" 45773223f0eSSimon Glass depends on OF_LIBFDT 45873223f0eSSimon Glass help 45973223f0eSSimon Glass This causes U-Boot to call ft_system_setup() before booting into 46073223f0eSSimon Glass the Operating System. This function can set up various 46173223f0eSSimon Glass system-specific information in the device tree for use by the OS. 46273223f0eSSimon Glass The device tree is then passed to the OS. 46373223f0eSSimon Glass 46473223f0eSSimon Glassconfig OF_STDOUT_VIA_ALIAS 46573223f0eSSimon Glass bool "Update the device-tree stdout alias from U-Boot" 46673223f0eSSimon Glass depends on OF_LIBFDT 46773223f0eSSimon Glass help 46873223f0eSSimon Glass This uses U-Boot's serial alias from the aliases node to update 46973223f0eSSimon Glass the device tree passed to the OS. The "linux,stdout-path" property 47073223f0eSSimon Glass in the chosen node is set to point to the correct serial node. 47173223f0eSSimon Glass This option currently references CONFIG_CONS_INDEX, which is 47273223f0eSSimon Glass incorrect when used with device tree as this option does not 47373223f0eSSimon Glass exist / should not be used. 474b6cf4439SMasahiro Yamada 47551631259SMasahiro Yamadaconfig SYS_EXTRA_OPTIONS 47651631259SMasahiro Yamada string "Extra Options (DEPRECATED)" 47751631259SMasahiro Yamada help 47851631259SMasahiro Yamada The old configuration infrastructure (= mkconfig + boards.cfg) 479ed36323fSMasahiro Yamada provided the extra options field. If you have something like 48051631259SMasahiro Yamada "HAS_BAR,BAZ=64", the optional options 48151631259SMasahiro Yamada #define CONFIG_HAS 48251631259SMasahiro Yamada #define CONFIG_BAZ 64 48351631259SMasahiro Yamada will be defined in include/config.h. 48451631259SMasahiro Yamada This option was prepared for the smooth migration from the old 48551631259SMasahiro Yamada configuration to Kconfig. Since this option will be removed sometime, 48651631259SMasahiro Yamada new boards should not use this option. 48751631259SMasahiro Yamada 4887f7563ceSMasahiro Yamadaconfig SYS_TEXT_BASE 489278b90ceSTom Rini depends on !NIOS2 && !XTENSA 490484cce0dSBen Stoltz depends on !EFI_APP 491586bde93SLokesh Vutla default 0x80800000 if ARCH_OMAP2PLUS || ARCH_K3 492341c0586SAndre Przywara default 0x4a000000 if ARCH_SUNXI && !MACH_SUN9I && !MACH_SUN8I_V3S 493341c0586SAndre Przywara default 0x2a000000 if ARCH_SUNXI && MACH_SUN9I 494341c0586SAndre Przywara default 0x42e00000 if ARCH_SUNXI && MACH_SUN8I_V3S 4957f7563ceSMasahiro Yamada hex "Text Base" 4967f7563ceSMasahiro Yamada help 497278b90ceSTom Rini The address in memory that U-Boot will be running from, initially. 4987f7563ceSMasahiro Yamada 4997e0ed13fSAdam Ford 500eba3fbd6SAndreas Dannenberg 50133d88183SAlexey Brodkinconfig SYS_CLK_FREQ 502e71b422bSIain Paton depends on ARC || ARCH_SUNXI 50333d88183SAlexey Brodkin int "CPU clock frequency" 50433d88183SAlexey Brodkin help 50533d88183SAlexey Brodkin TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture 50633d88183SAlexey Brodkin 50763c09417SMasahiro Yamadaconfig ARCH_FIXUP_FDT_MEMORY 50863c09417SMasahiro Yamada bool "Enable arch_fixup_memory_banks() call" 509e2f88dfdSMichal Simek default y 510e2f88dfdSMichal Simek help 511e2f88dfdSMichal Simek Enable FDT memory map syncup before OS boot. This feature can be 512e2f88dfdSMichal Simek used for booting OS with different memory setup where the part of 513e2f88dfdSMichal Simek the memory location should be used for different purpose. 514e2f88dfdSMichal Simek 515e91c3c33SMasahiro Yamadaendmenu # Boot images 51651631259SMasahiro Yamada 5174db98d3dSEmmanuel Vadotsource "api/Kconfig" 5184db98d3dSEmmanuel Vadot 519ed36323fSMasahiro Yamadasource "common/Kconfig" 520ed36323fSMasahiro Yamada 52172a8cf8dSSimon Glasssource "cmd/Kconfig" 52272a8cf8dSSimon Glass 523e274ef6bSPatrick Delaunaysource "disk/Kconfig" 524e274ef6bSPatrick Delaunay 525783e6a72SMasahiro Yamadasource "dts/Kconfig" 526783e6a72SMasahiro Yamada 5270649cd0dSSimon Glasssource "env/Kconfig" 5280649cd0dSSimon Glass 529ed36323fSMasahiro Yamadasource "net/Kconfig" 530ed36323fSMasahiro Yamada 531ed36323fSMasahiro Yamadasource "drivers/Kconfig" 532ed36323fSMasahiro Yamada 533ed36323fSMasahiro Yamadasource "fs/Kconfig" 534ed36323fSMasahiro Yamada 535ed36323fSMasahiro Yamadasource "lib/Kconfig" 5361967982aSSimon Glass 5371967982aSSimon Glasssource "test/Kconfig" 538