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 129b724bd7dSSimon Glass help 13059d7c34bSRobert P. J. Day Before relocation, memory is very limited on many platforms. Still, 131b724bd7dSSimon Glass we can provide a small malloc() pool if needed. Driver model in 132b724bd7dSSimon Glass particular needs this to operate, so that it can allocate the 133b724bd7dSSimon Glass initial serial device and any others that are needed. 134b724bd7dSSimon Glass 135b724bd7dSSimon Glassconfig SYS_MALLOC_F_LEN 136b724bd7dSSimon Glass hex "Size of malloc() pool before relocation" 137b724bd7dSSimon Glass depends on SYS_MALLOC_F 13890e407aeSSjoerd Simons default 0x1000 if AM33XX 139b724bd7dSSimon Glass default 0x400 140b724bd7dSSimon Glass help 14159d7c34bSRobert P. J. Day Before relocation, memory is very limited on many platforms. Still, 142b724bd7dSSimon Glass we can provide a small malloc() pool if needed. Driver model in 143b724bd7dSSimon Glass particular needs this to operate, so that it can allocate the 144b724bd7dSSimon Glass initial serial device and any others that are needed. 145b724bd7dSSimon Glass 14601aa5b8fSSiva Durga Prasad Paladuguconfig SYS_MALLOC_LEN 14701aa5b8fSSiva Durga Prasad Paladugu hex "Define memory for Dynamic allocation" 148ec48b6c9SMichal Simek depends on ARCH_ZYNQ || ARCH_VERSAL 14901aa5b8fSSiva Durga Prasad Paladugu help 15001aa5b8fSSiva Durga Prasad Paladugu This defines memory to be allocated for Dynamic allocation 15101aa5b8fSSiva Durga Prasad Paladugu TODO: Use for other architectures 15201aa5b8fSSiva Durga Prasad Paladugu 153f1896c45SAndy Yanconfig SPL_SYS_MALLOC_F_LEN 154ae2cee2eSPhilipp Tomsich hex "Size of malloc() pool in SPL before relocation" 155ae2cee2eSPhilipp Tomsich depends on SYS_MALLOC_F 156ae2cee2eSPhilipp Tomsich default SYS_MALLOC_F_LEN 157ae2cee2eSPhilipp Tomsich help 158ae2cee2eSPhilipp Tomsich Before relocation, memory is very limited on many platforms. Still, 159ae2cee2eSPhilipp Tomsich we can provide a small malloc() pool if needed. Driver model in 160ae2cee2eSPhilipp Tomsich particular needs this to operate, so that it can allocate the 161ae2cee2eSPhilipp Tomsich initial serial device and any others that are needed. 162ae2cee2eSPhilipp Tomsich 163ae2cee2eSPhilipp Tomsichconfig TPL_SYS_MALLOC_F_LEN 164ae2cee2eSPhilipp Tomsich hex "Size of malloc() pool in TPL before relocation" 165f1896c45SAndy Yan depends on SYS_MALLOC_F 166f1896c45SAndy Yan default SYS_MALLOC_F_LEN 167f1896c45SAndy Yan help 168f1896c45SAndy Yan Before relocation, memory is very limited on many platforms. Still, 169f1896c45SAndy Yan we can provide a small malloc() pool if needed. Driver model in 170f1896c45SAndy Yan particular needs this to operate, so that it can allocate the 171f1896c45SAndy Yan initial serial device and any others that are needed. 172f1896c45SAndy Yan 1731bf0979fSTom Rinimenuconfig EXPERT 1741bf0979fSTom Rini bool "Configure standard U-Boot features (expert users)" 1750aa8a4adSPrzemyslaw Marczak default y 1761bf0979fSTom Rini help 1771bf0979fSTom Rini This option allows certain base U-Boot options and settings 1781bf0979fSTom Rini to be disabled or tweaked. This is for specialized 1791bf0979fSTom Rini environments which can tolerate a "non-standard" U-Boot. 18059d7c34bSRobert P. J. Day Use this only if you really know what you are doing. 1811bf0979fSTom Rini 1820aa8a4adSPrzemyslaw Marczakif EXPERT 1830aa8a4adSPrzemyslaw Marczak config SYS_MALLOC_CLEAR_ON_INIT 1840aa8a4adSPrzemyslaw Marczak bool "Init with zeros the memory reserved for malloc (slow)" 1850aa8a4adSPrzemyslaw Marczak default y 1860aa8a4adSPrzemyslaw Marczak help 1870aa8a4adSPrzemyslaw Marczak This setting is enabled by default. The reserved malloc 1880aa8a4adSPrzemyslaw Marczak memory is initialized with zeros, so first malloc calls 1890aa8a4adSPrzemyslaw Marczak will return the pointer to the zeroed memory. But this 1900aa8a4adSPrzemyslaw Marczak slows the boot time. 1910aa8a4adSPrzemyslaw Marczak 1920aa8a4adSPrzemyslaw Marczak It is recommended to disable it, when CONFIG_SYS_MALLOC_LEN 1930aa8a4adSPrzemyslaw Marczak value, has more than few MiB, e.g. when uses bzip2 or bmp logo. 1940aa8a4adSPrzemyslaw Marczak Then the boot time can be significantly reduced. 1950aa8a4adSPrzemyslaw Marczak Warning: 1960aa8a4adSPrzemyslaw Marczak When disabling this, please check if malloc calls, maybe 19759d7c34bSRobert P. J. Day should be replaced by calloc - if one expects zeroed memory. 198022885cbSSimon Glass 199022885cbSSimon Glassconfig TOOLS_DEBUG 200022885cbSSimon Glass bool "Enable debug information for tools" 201022885cbSSimon Glass help 202022885cbSSimon Glass Enable generation of debug information for tools such as mkimage. 203022885cbSSimon Glass This can be used for debugging purposes. With debug information 204022885cbSSimon Glass it is possible to set breakpoints on particular lines, single-step 205022885cbSSimon Glass debug through the source code, etc. 206022885cbSSimon Glass 207266aa86bSRobert P. J. Dayendif # EXPERT 208bb6b142fSMasahiro Yamada 209bb6b142fSMasahiro Yamadaconfig PHYS_64BIT 210bb6b142fSMasahiro Yamada bool "64bit physical address support" 211bb6b142fSMasahiro Yamada help 212bb6b142fSMasahiro Yamada Say Y here to support 64bit physical memory address. 213bb6b142fSMasahiro Yamada This can be used not only for 64bit SoCs, but also for 214bb6b142fSMasahiro Yamada large physical address extention on 32bit SoCs. 215bb6b142fSMasahiro Yamada 216871aa41dSHeinrich Schuchardtconfig BUILD_ROM 217871aa41dSHeinrich Schuchardt bool "Build U-Boot as BIOS replacement" 218871aa41dSHeinrich Schuchardt depends on X86 219871aa41dSHeinrich Schuchardt help 220871aa41dSHeinrich Schuchardt This option allows to build a ROM version of U-Boot. 221871aa41dSHeinrich Schuchardt The build process generally requires several binary blobs 222871aa41dSHeinrich Schuchardt which are not shipped in the U-Boot source tree. 223871aa41dSHeinrich Schuchardt Please, see doc/README.x86 for details. 224871aa41dSHeinrich Schuchardt 22540ad4c4bSMasahiro Yamadaendmenu # General setup 22640ad4c4bSMasahiro Yamada 227e91c3c33SMasahiro Yamadamenu "Boot images" 228e91c3c33SMasahiro Yamada 22948f6232eSTom Riniconfig ANDROID_BOOT_IMAGE 23048f6232eSTom Rini bool "Enable support for Android Boot Images" 23148f6232eSTom Rini default y if FASTBOOT 23248f6232eSTom Rini help 23348f6232eSTom Rini This enables support for booting images which use the Android 23448f6232eSTom Rini image format header. 23548f6232eSTom Rini 236b6cf4439SMasahiro Yamadaconfig FIT 237b6cf4439SMasahiro Yamada bool "Support Flattened Image Tree" 238aeb9c53cSAndre Przywara select MD5 239089df18bSTom Rini select SHA1 240b6cf4439SMasahiro Yamada help 241266aa86bSRobert P. J. Day This option allows you to boot the new uImage structure, 242b6cf4439SMasahiro Yamada Flattened Image Tree. FIT is formally a FDT, which can include 243b6cf4439SMasahiro Yamada images of various types (kernel, FDT blob, ramdisk, etc.) 244b6cf4439SMasahiro Yamada in a single blob. To boot this new uImage structure, 2451f9ac4a4SIgor Grinberg pass the address of the blob to the "bootm" command. 24673223f0eSSimon Glass FIT is very flexible, supporting compression, multiple images, 24773223f0eSSimon Glass multiple configurations, verification through hashing and also 248266aa86bSRobert P. J. Day verified boot (secure boot using RSA). 249b6cf4439SMasahiro Yamada 250266aa86bSRobert P. J. Dayif FIT 251b6cf4439SMasahiro Yamada 252*3814fcbaSPeng Fanconfig FIT_EXTERNAL_OFFSET 253*3814fcbaSPeng Fan hex "Text Base" 254*3814fcbaSPeng Fan default 0x0 255*3814fcbaSPeng Fan help 256*3814fcbaSPeng Fan This specifies a data offset in fit image. 257*3814fcbaSPeng Fan The offset is from data payload offset to the beginning of 258*3814fcbaSPeng Fan fit image header. When specifies a offset, specific data 259*3814fcbaSPeng Fan could be put in the hole between data payload and fit image 260*3814fcbaSPeng Fan header, such as CSF data on i.MX platform. 261*3814fcbaSPeng Fan 2620db7f685STom Riniconfig FIT_ENABLE_SHA256_SUPPORT 2630db7f685STom Rini bool "Support SHA256 checksum of FIT image contents" 2640db7f685STom Rini default y 26558008cbaSMichal Simek select SHA256 2660db7f685STom Rini help 2670db7f685STom Rini Enable this to support SHA256 checksum of FIT image contents. A 2680db7f685STom Rini SHA256 checksum is a 256-bit (32-byte) hash value used to check that 2690db7f685STom Rini the image contents have not been corrupted. SHA256 is recommended 2700db7f685STom Rini for use in secure applications since (as at 2016) there is no known 2710db7f685STom Rini feasible attack that could produce a 'collision' with differing 2720db7f685STom Rini input data. Use this for the highest security. Note that only the 2730db7f685STom Rini SHA256 variant is supported: SHA512 and others are not currently 2740db7f685STom Rini supported in U-Boot. 2750db7f685STom Rini 276b6cf4439SMasahiro Yamadaconfig FIT_SIGNATURE 277c4beb22fSRuchika Gupta bool "Enable signature verification of FIT uImages" 2789009798dSChris Kuethe depends on DM 279535adee8SKelvin Cheung select HASH 28058008cbaSMichal Simek select RSA 281b6cf4439SMasahiro Yamada help 282b6cf4439SMasahiro Yamada This option enables signature verification of FIT uImages, 28394e3c8c4Sgaurav rana using a hash signed and verified using RSA. If 28494e3c8c4Sgaurav rana CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive 285266aa86bSRobert P. J. Day hashing is available using hardware, then the RSA library will use 28673223f0eSSimon Glass it. See doc/uImage.FIT/signature.txt for more details. 28773223f0eSSimon Glass 28873223f0eSSimon Glass WARNING: When relying on signed FIT images with a required signature 28973223f0eSSimon Glass check the legacy image format is disabled by default, so that 29073223f0eSSimon Glass unsigned images cannot be loaded. If a board needs the legacy image 29173223f0eSSimon Glass format support in this case, enable it using 29273223f0eSSimon Glass CONFIG_IMAGE_FORMAT_LEGACY. 29373223f0eSSimon Glass 29472239fc8STeddy Reedconfig FIT_SIGNATURE_MAX_SIZE 29572239fc8STeddy Reed hex "Max size of signed FIT structures" 29672239fc8STeddy Reed depends on FIT_SIGNATURE 29772239fc8STeddy Reed default 0x10000000 29872239fc8STeddy Reed help 29972239fc8STeddy Reed This option sets a max size in bytes for verified FIT uImages. 30072239fc8STeddy Reed A sane value of 256MB protects corrupted DTB structures from overlapping 30172239fc8STeddy Reed device memory. Assure this size does not extend past expected storage 30272239fc8STeddy Reed space. 30372239fc8STeddy Reed 304061daa0bSPhilippe Reynesconfig FIT_ENABLE_RSASSA_PSS_SUPPORT 305061daa0bSPhilippe Reynes bool "Support rsassa-pss signature scheme of FIT image contents" 306061daa0bSPhilippe Reynes depends on FIT_SIGNATURE 307061daa0bSPhilippe Reynes default n 308061daa0bSPhilippe Reynes help 309061daa0bSPhilippe Reynes Enable this to support the pss padding algorithm as described 310061daa0bSPhilippe Reynes in the rfc8017 (https://tools.ietf.org/html/rfc8017). 311061daa0bSPhilippe Reynes 312266aa86bSRobert P. J. Dayconfig FIT_VERBOSE 313266aa86bSRobert P. J. Day bool "Show verbose messages when FIT images fail" 314266aa86bSRobert P. J. Day help 315266aa86bSRobert P. J. Day Generally a system will have valid FIT images so debug messages 316266aa86bSRobert P. J. Day are a waste of code space. If you are debugging your images then 317266aa86bSRobert P. J. Day you can enable this option to get more verbose information about 318266aa86bSRobert P. J. Day failures. 31951c14cd1STeddy Reed 32073223f0eSSimon Glassconfig FIT_BEST_MATCH 32173223f0eSSimon Glass bool "Select the best match for the kernel device tree" 32273223f0eSSimon Glass help 32373223f0eSSimon Glass When no configuration is explicitly selected, default to the 32473223f0eSSimon Glass one whose fdt's compatibility field best matches that of 32573223f0eSSimon Glass U-Boot itself. A match is considered "best" if it matches the 32673223f0eSSimon Glass most specific compatibility entry of U-Boot's fdt's root node. 32773223f0eSSimon Glass The order of entries in the configuration's fdt is ignored. 32873223f0eSSimon Glass 329266aa86bSRobert P. J. Dayconfig FIT_IMAGE_POST_PROCESS 330266aa86bSRobert P. J. Day bool "Enable post-processing of FIT artifacts after loading by U-Boot" 331266aa86bSRobert P. J. Day depends on TI_SECURE_DEVICE 33273223f0eSSimon Glass help 333266aa86bSRobert P. J. Day Allows doing any sort of manipulation to blobs after they got extracted 334266aa86bSRobert P. J. Day from FIT images like stripping off headers or modifying the size of the 335266aa86bSRobert P. J. Day blob, verification, authentication, decryption etc. in a platform or 336266aa86bSRobert P. J. Day board specific way. In order to use this feature a platform or board- 337266aa86bSRobert P. J. Day specific implementation of board_fit_image_post_process() must be 338266aa86bSRobert P. J. Day provided. Also, anything done during this post-processing step would 339266aa86bSRobert P. J. Day need to be comprehended in how the images were prepared before being 340266aa86bSRobert P. J. Day injected into the FIT creation (i.e. the blobs would have been pre- 341266aa86bSRobert P. J. Day processed before being added to the FIT image). 342266aa86bSRobert P. J. Day 34371139113STom Riniif SPL 34471139113STom Rini 345266aa86bSRobert P. J. Dayconfig SPL_FIT 346266aa86bSRobert P. J. Day bool "Support Flattened Image Tree within SPL" 347266aa86bSRobert P. J. Day depends on SPL 34885c07a5aSAndre Przywara select SPL_OF_LIBFDT 349266aa86bSRobert P. J. Day 350b527b9c6SMarek Vasutconfig SPL_FIT_PRINT 351b527b9c6SMarek Vasut bool "Support FIT printing within SPL" 352b527b9c6SMarek Vasut depends on SPL_FIT 353b527b9c6SMarek Vasut help 354b527b9c6SMarek Vasut Support printing the content of the fitImage in a verbose manner in SPL. 355b527b9c6SMarek Vasut 356266aa86bSRobert P. J. Dayconfig SPL_FIT_SIGNATURE 357266aa86bSRobert P. J. Day bool "Enable signature verification of FIT firmware within SPL" 358266aa86bSRobert P. J. Day depends on SPL_DM 35985c07a5aSAndre Przywara select SPL_FIT 360266aa86bSRobert P. J. Day select SPL_RSA 361266aa86bSRobert P. J. Day 362266aa86bSRobert P. J. Dayconfig SPL_LOAD_FIT 363266aa86bSRobert P. J. Day bool "Enable SPL loading U-Boot as a FIT" 36485c07a5aSAndre Przywara select SPL_FIT 365266aa86bSRobert P. J. Day help 366266aa86bSRobert P. J. Day Normally with the SPL framework a legacy image is generated as part 367266aa86bSRobert P. J. Day of the build. This contains U-Boot along with information as to 368266aa86bSRobert P. J. Day where it should be loaded. This option instead enables generation 369266aa86bSRobert P. J. Day of a FIT (Flat Image Tree) which provides more flexibility. In 370266aa86bSRobert P. J. Day particular it can handle selecting from multiple device tree 371266aa86bSRobert P. J. Day and passing the correct one to U-Boot. 372266aa86bSRobert P. J. Day 3738a9dc16eSMarek Vasutconfig SPL_LOAD_FIT_FULL 3748a9dc16eSMarek Vasut bool "Enable SPL loading U-Boot as a FIT" 3758a9dc16eSMarek Vasut select SPL_FIT 3768a9dc16eSMarek Vasut help 3778a9dc16eSMarek Vasut Normally with the SPL framework a legacy image is generated as part 3788a9dc16eSMarek Vasut of the build. This contains U-Boot along with information as to 3798a9dc16eSMarek Vasut where it should be loaded. This option instead enables generation 3808a9dc16eSMarek Vasut of a FIT (Flat Image Tree) which provides more flexibility. In 3818a9dc16eSMarek Vasut particular it can handle selecting from multiple device tree 3828a9dc16eSMarek Vasut and passing the correct one to U-Boot. 3838a9dc16eSMarek Vasut 384266aa86bSRobert P. J. Dayconfig SPL_FIT_IMAGE_POST_PROCESS 385266aa86bSRobert P. J. Day bool "Enable post-processing of FIT artifacts after loading by the SPL" 386c12d8b7dSext-vasily.gurevich@vaisala.com depends on SPL_LOAD_FIT 387266aa86bSRobert P. J. Day help 388266aa86bSRobert P. J. Day Allows doing any sort of manipulation to blobs after they got extracted 389266aa86bSRobert P. J. Day from the U-Boot FIT image like stripping off headers or modifying the 390266aa86bSRobert P. J. Day size of the blob, verification, authentication, decryption etc. in a 391266aa86bSRobert P. J. Day platform or board specific way. In order to use this feature a platform 392266aa86bSRobert P. J. Day or board-specific implementation of board_fit_image_post_process() must 393266aa86bSRobert P. J. Day be provided. Also, anything done during this post-processing step would 394266aa86bSRobert P. J. Day need to be comprehended in how the images were prepared before being 395266aa86bSRobert P. J. Day injected into the FIT creation (i.e. the blobs would have been pre- 396266aa86bSRobert P. J. Day processed before being added to the FIT image). 397266aa86bSRobert P. J. Day 3981a12fdc4SAndre Przywaraconfig SPL_FIT_SOURCE 3991a12fdc4SAndre Przywara string ".its source file for U-Boot FIT image" 4001a12fdc4SAndre Przywara depends on SPL_FIT 4011a12fdc4SAndre Przywara help 4021a12fdc4SAndre Przywara Specifies a (platform specific) FIT source file to generate the 4031a12fdc4SAndre Przywara U-Boot FIT image. This could specify further image to load and/or 4041a12fdc4SAndre Przywara execute. 4051a12fdc4SAndre Przywara 4061a12fdc4SAndre Przywaraconfig SPL_FIT_GENERATOR 4071a12fdc4SAndre Przywara string ".its file generator script for U-Boot FIT image" 4081a12fdc4SAndre Przywara depends on SPL_FIT 409d29adf8eSAndre Przywara default "board/sunxi/mksunxi_fit_atf.sh" if SPL_LOAD_FIT && ARCH_SUNXI 4101a12fdc4SAndre Przywara help 4111a12fdc4SAndre Przywara Specifies a (platform specific) script file to generate the FIT 4121a12fdc4SAndre Przywara source file used to build the U-Boot FIT image file. This gets 4131a12fdc4SAndre Przywara passed a list of supported device tree file stub names to 4141a12fdc4SAndre Przywara include in the generated image. 4151a12fdc4SAndre Przywara 41671139113STom Riniendif # SPL 41771139113STom Rini 418266aa86bSRobert P. J. Dayendif # FIT 41973223f0eSSimon Glass 420002c3234SAlex Kiernanconfig IMAGE_FORMAT_LEGACY 421002c3234SAlex Kiernan bool "Enable support for the legacy image format" 422002c3234SAlex Kiernan default y if !FIT_SIGNATURE 423002c3234SAlex Kiernan help 424002c3234SAlex Kiernan This option enables the legacy image format. It is enabled by 425002c3234SAlex Kiernan default for backward compatibility, unless FIT_SIGNATURE is 426002c3234SAlex Kiernan set where it is disabled so that unsigned images cannot be 427002c3234SAlex Kiernan loaded. If a board needs the legacy image format support in this 428002c3234SAlex Kiernan case, enable it here. 429002c3234SAlex Kiernan 43073223f0eSSimon Glassconfig OF_BOARD_SETUP 43173223f0eSSimon Glass bool "Set up board-specific details in device tree before boot" 43273223f0eSSimon Glass depends on OF_LIBFDT 43373223f0eSSimon Glass help 43473223f0eSSimon Glass This causes U-Boot to call ft_board_setup() before booting into 43573223f0eSSimon Glass the Operating System. This function can set up various 43673223f0eSSimon Glass board-specific information in the device tree for use by the OS. 43773223f0eSSimon Glass The device tree is then passed to the OS. 43873223f0eSSimon Glass 43973223f0eSSimon Glassconfig OF_SYSTEM_SETUP 44073223f0eSSimon Glass bool "Set up system-specific details in device tree before boot" 44173223f0eSSimon Glass depends on OF_LIBFDT 44273223f0eSSimon Glass help 44373223f0eSSimon Glass This causes U-Boot to call ft_system_setup() before booting into 44473223f0eSSimon Glass the Operating System. This function can set up various 44573223f0eSSimon Glass system-specific information in the device tree for use by the OS. 44673223f0eSSimon Glass The device tree is then passed to the OS. 44773223f0eSSimon Glass 44873223f0eSSimon Glassconfig OF_STDOUT_VIA_ALIAS 44973223f0eSSimon Glass bool "Update the device-tree stdout alias from U-Boot" 45073223f0eSSimon Glass depends on OF_LIBFDT 45173223f0eSSimon Glass help 45273223f0eSSimon Glass This uses U-Boot's serial alias from the aliases node to update 45373223f0eSSimon Glass the device tree passed to the OS. The "linux,stdout-path" property 45473223f0eSSimon Glass in the chosen node is set to point to the correct serial node. 45573223f0eSSimon Glass This option currently references CONFIG_CONS_INDEX, which is 45673223f0eSSimon Glass incorrect when used with device tree as this option does not 45773223f0eSSimon Glass exist / should not be used. 458b6cf4439SMasahiro Yamada 45951631259SMasahiro Yamadaconfig SYS_EXTRA_OPTIONS 46051631259SMasahiro Yamada string "Extra Options (DEPRECATED)" 46151631259SMasahiro Yamada help 46251631259SMasahiro Yamada The old configuration infrastructure (= mkconfig + boards.cfg) 463ed36323fSMasahiro Yamada provided the extra options field. If you have something like 46451631259SMasahiro Yamada "HAS_BAR,BAZ=64", the optional options 46551631259SMasahiro Yamada #define CONFIG_HAS 46651631259SMasahiro Yamada #define CONFIG_BAZ 64 46751631259SMasahiro Yamada will be defined in include/config.h. 46851631259SMasahiro Yamada This option was prepared for the smooth migration from the old 46951631259SMasahiro Yamada configuration to Kconfig. Since this option will be removed sometime, 47051631259SMasahiro Yamada new boards should not use this option. 47151631259SMasahiro Yamada 4727f7563ceSMasahiro Yamadaconfig SYS_TEXT_BASE 473278b90ceSTom Rini depends on !NIOS2 && !XTENSA 474484cce0dSBen Stoltz depends on !EFI_APP 475586bde93SLokesh Vutla default 0x80800000 if ARCH_OMAP2PLUS || ARCH_K3 476341c0586SAndre Przywara default 0x4a000000 if ARCH_SUNXI && !MACH_SUN9I && !MACH_SUN8I_V3S 477341c0586SAndre Przywara default 0x2a000000 if ARCH_SUNXI && MACH_SUN9I 478341c0586SAndre Przywara default 0x42e00000 if ARCH_SUNXI && MACH_SUN8I_V3S 4797f7563ceSMasahiro Yamada hex "Text Base" 4807f7563ceSMasahiro Yamada help 481278b90ceSTom Rini The address in memory that U-Boot will be running from, initially. 4827f7563ceSMasahiro Yamada 4837e0ed13fSAdam Ford 484eba3fbd6SAndreas Dannenberg 48533d88183SAlexey Brodkinconfig SYS_CLK_FREQ 486e71b422bSIain Paton depends on ARC || ARCH_SUNXI 48733d88183SAlexey Brodkin int "CPU clock frequency" 48833d88183SAlexey Brodkin help 48933d88183SAlexey Brodkin TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture 49033d88183SAlexey Brodkin 49163c09417SMasahiro Yamadaconfig ARCH_FIXUP_FDT_MEMORY 49263c09417SMasahiro Yamada bool "Enable arch_fixup_memory_banks() call" 493e2f88dfdSMichal Simek default y 494e2f88dfdSMichal Simek help 495e2f88dfdSMichal Simek Enable FDT memory map syncup before OS boot. This feature can be 496e2f88dfdSMichal Simek used for booting OS with different memory setup where the part of 497e2f88dfdSMichal Simek the memory location should be used for different purpose. 498e2f88dfdSMichal Simek 499e91c3c33SMasahiro Yamadaendmenu # Boot images 50051631259SMasahiro Yamada 5014db98d3dSEmmanuel Vadotsource "api/Kconfig" 5024db98d3dSEmmanuel Vadot 503ed36323fSMasahiro Yamadasource "common/Kconfig" 504ed36323fSMasahiro Yamada 50572a8cf8dSSimon Glasssource "cmd/Kconfig" 50672a8cf8dSSimon Glass 507e274ef6bSPatrick Delaunaysource "disk/Kconfig" 508e274ef6bSPatrick Delaunay 509783e6a72SMasahiro Yamadasource "dts/Kconfig" 510783e6a72SMasahiro Yamada 5110649cd0dSSimon Glasssource "env/Kconfig" 5120649cd0dSSimon Glass 513ed36323fSMasahiro Yamadasource "net/Kconfig" 514ed36323fSMasahiro Yamada 515ed36323fSMasahiro Yamadasource "drivers/Kconfig" 516ed36323fSMasahiro Yamada 517ed36323fSMasahiro Yamadasource "fs/Kconfig" 518ed36323fSMasahiro Yamada 519ed36323fSMasahiro Yamadasource "lib/Kconfig" 5201967982aSSimon Glass 5211967982aSSimon Glasssource "test/Kconfig" 522