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 629f823615SHans de Goedeconfig DISTRO_DEFAULTS 639f823615SHans de Goede bool "Select defaults suitable for booting general purpose Linux distributions" 643337e3afSTom Rini default y if ARCH_SUNXI || TEGRA 65b99ebaf9SAlexander Graf default y if ARCH_LS2080A 6670b8bd7dSAndreas Färber default y if ARCH_MESON 677bdedf11SRomain Perier default y if ARCH_ROCKCHIP 689f823615SHans de Goede default n 69b6251db8STom Rini imply USE_BOOTCOMMAND 70a391d500STom Rini select CMD_BOOTZ if ARM && !ARM64 7126959271SMasahiro Yamada select CMD_BOOTI if ARM64 7299dcbdd8SMichal Simek select CMD_DHCP if NET 7399dcbdd8SMichal Simek select CMD_PXE if NET 749f823615SHans de Goede select CMD_EXT2 759f823615SHans de Goede select CMD_EXT4 769f823615SHans de Goede select CMD_FAT 779f823615SHans de Goede select CMD_FS_GENERIC 7899dcbdd8SMichal Simek select CMD_MII if NET 7999dcbdd8SMichal Simek select CMD_PING if NET 80fa2c1467STom Rini select CMD_PART if PARTITIONS 819f823615SHans de Goede select HUSH_PARSER 82*d021e942SAdam Ford select BOOTP_BOOTPATH if NET 83*d021e942SAdam Ford select BOOTP_DNS if NET 84*d021e942SAdam Ford select BOOTP_GATEWAY if NET 85*d021e942SAdam Ford select BOOTP_HOSTNAME if NET 86*d021e942SAdam Ford select BOOTP_PXE if NET 87*d021e942SAdam Ford select BOOTP_SUBNETMASK if NET 88*d021e942SAdam Ford select CMDLINE_EDITING 89*d021e942SAdam Ford select AUTO_COMPLETE 90*d021e942SAdam Ford select SYS_LONGHELP 91*d021e942SAdam Ford select SUPPORT_RAW_INITRD 92*d021e942SAdam Ford select ENV_VARS_UBOOT_CONFIG 939f823615SHans de Goede help 949f823615SHans de Goede Select this to enable various options and commands which are suitable 959f823615SHans de Goede for building u-boot for booting general purpose Linux distributions. 969f823615SHans de Goede 97*d021e942SAdam Fordconfig ENV_VARS_UBOOT_CONFIG 98*d021e942SAdam Ford bool "Add arch, board, vendor and soc variables to default environment" 99*d021e942SAdam Ford help 100*d021e942SAdam Ford Define this in order to add variables describing the 101*d021e942SAdam Ford U-Boot build configuration to the default environment. 102*d021e942SAdam Ford These will be named arch, cpu, board, vendor, and soc. 103*d021e942SAdam Ford Enabling this option will cause the following to be defined: 104*d021e942SAdam Ford - CONFIG_SYS_ARCH 105*d021e942SAdam Ford - CONFIG_SYS_CPU 106*d021e942SAdam Ford - CONFIG_SYS_BOARD 107*d021e942SAdam Ford - CONFIG_SYS_VENDOR 108*d021e942SAdam Ford - CONFIG_SYS_SOC 109*d021e942SAdam Ford 110405fc830SDerald D. Woodsconfig SYS_BOOT_GET_CMDLINE 111405fc830SDerald D. Woods bool "Enable kernel command line setup" 112405fc830SDerald D. Woods help 113405fc830SDerald D. Woods Enables allocating and saving kernel cmdline in space between 114405fc830SDerald D. Woods "bootm_low" and "bootm_low" + BOOTMAPSZ. 115405fc830SDerald D. Woods 116405fc830SDerald D. Woodsconfig SYS_BOOT_GET_KBD 117405fc830SDerald D. Woods bool "Enable kernel board information setup" 118405fc830SDerald D. Woods help 119405fc830SDerald D. Woods Enables allocating and saving a kernel copy of the bd_info in 120405fc830SDerald D. Woods space between "bootm_low" and "bootm_low" + BOOTMAPSZ. 121405fc830SDerald D. Woods 122b724bd7dSSimon Glassconfig SYS_MALLOC_F 123b724bd7dSSimon Glass bool "Enable malloc() pool before relocation" 124326a6823SMasahiro Yamada default y if DM 125b724bd7dSSimon Glass help 12659d7c34bSRobert P. J. Day Before relocation, memory is very limited on many platforms. Still, 127b724bd7dSSimon Glass we can provide a small malloc() pool if needed. Driver model in 128b724bd7dSSimon Glass particular needs this to operate, so that it can allocate the 129b724bd7dSSimon Glass initial serial device and any others that are needed. 130b724bd7dSSimon Glass 131b724bd7dSSimon Glassconfig SYS_MALLOC_F_LEN 132b724bd7dSSimon Glass hex "Size of malloc() pool before relocation" 133b724bd7dSSimon Glass depends on SYS_MALLOC_F 134b724bd7dSSimon Glass default 0x400 135b724bd7dSSimon Glass help 13659d7c34bSRobert P. J. Day Before relocation, memory is very limited on many platforms. Still, 137b724bd7dSSimon Glass we can provide a small malloc() pool if needed. Driver model in 138b724bd7dSSimon Glass particular needs this to operate, so that it can allocate the 139b724bd7dSSimon Glass initial serial device and any others that are needed. 140b724bd7dSSimon Glass 141f1896c45SAndy Yanconfig SPL_SYS_MALLOC_F_LEN 142ae2cee2eSPhilipp Tomsich hex "Size of malloc() pool in SPL before relocation" 143ae2cee2eSPhilipp Tomsich depends on SYS_MALLOC_F 144ae2cee2eSPhilipp Tomsich default SYS_MALLOC_F_LEN 145ae2cee2eSPhilipp Tomsich help 146ae2cee2eSPhilipp Tomsich Before relocation, memory is very limited on many platforms. Still, 147ae2cee2eSPhilipp Tomsich we can provide a small malloc() pool if needed. Driver model in 148ae2cee2eSPhilipp Tomsich particular needs this to operate, so that it can allocate the 149ae2cee2eSPhilipp Tomsich initial serial device and any others that are needed. 150ae2cee2eSPhilipp Tomsich 151ae2cee2eSPhilipp Tomsichconfig TPL_SYS_MALLOC_F_LEN 152ae2cee2eSPhilipp Tomsich hex "Size of malloc() pool in TPL before relocation" 153f1896c45SAndy Yan depends on SYS_MALLOC_F 154f1896c45SAndy Yan default SYS_MALLOC_F_LEN 155f1896c45SAndy Yan help 156f1896c45SAndy Yan Before relocation, memory is very limited on many platforms. Still, 157f1896c45SAndy Yan we can provide a small malloc() pool if needed. Driver model in 158f1896c45SAndy Yan particular needs this to operate, so that it can allocate the 159f1896c45SAndy Yan initial serial device and any others that are needed. 160f1896c45SAndy Yan 1611bf0979fSTom Rinimenuconfig EXPERT 1621bf0979fSTom Rini bool "Configure standard U-Boot features (expert users)" 1630aa8a4adSPrzemyslaw Marczak default y 1641bf0979fSTom Rini help 1651bf0979fSTom Rini This option allows certain base U-Boot options and settings 1661bf0979fSTom Rini to be disabled or tweaked. This is for specialized 1671bf0979fSTom Rini environments which can tolerate a "non-standard" U-Boot. 16859d7c34bSRobert P. J. Day Use this only if you really know what you are doing. 1691bf0979fSTom Rini 1700aa8a4adSPrzemyslaw Marczakif EXPERT 1710aa8a4adSPrzemyslaw Marczak config SYS_MALLOC_CLEAR_ON_INIT 1720aa8a4adSPrzemyslaw Marczak bool "Init with zeros the memory reserved for malloc (slow)" 1730aa8a4adSPrzemyslaw Marczak default y 1740aa8a4adSPrzemyslaw Marczak help 1750aa8a4adSPrzemyslaw Marczak This setting is enabled by default. The reserved malloc 1760aa8a4adSPrzemyslaw Marczak memory is initialized with zeros, so first malloc calls 1770aa8a4adSPrzemyslaw Marczak will return the pointer to the zeroed memory. But this 1780aa8a4adSPrzemyslaw Marczak slows the boot time. 1790aa8a4adSPrzemyslaw Marczak 1800aa8a4adSPrzemyslaw Marczak It is recommended to disable it, when CONFIG_SYS_MALLOC_LEN 1810aa8a4adSPrzemyslaw Marczak value, has more than few MiB, e.g. when uses bzip2 or bmp logo. 1820aa8a4adSPrzemyslaw Marczak Then the boot time can be significantly reduced. 1830aa8a4adSPrzemyslaw Marczak Warning: 1840aa8a4adSPrzemyslaw Marczak When disabling this, please check if malloc calls, maybe 18559d7c34bSRobert P. J. Day should be replaced by calloc - if one expects zeroed memory. 186022885cbSSimon Glass 187022885cbSSimon Glassconfig TOOLS_DEBUG 188022885cbSSimon Glass bool "Enable debug information for tools" 189022885cbSSimon Glass help 190022885cbSSimon Glass Enable generation of debug information for tools such as mkimage. 191022885cbSSimon Glass This can be used for debugging purposes. With debug information 192022885cbSSimon Glass it is possible to set breakpoints on particular lines, single-step 193022885cbSSimon Glass debug through the source code, etc. 194022885cbSSimon Glass 195266aa86bSRobert P. J. Dayendif # EXPERT 196bb6b142fSMasahiro Yamada 197bb6b142fSMasahiro Yamadaconfig PHYS_64BIT 198bb6b142fSMasahiro Yamada bool "64bit physical address support" 199bb6b142fSMasahiro Yamada help 200bb6b142fSMasahiro Yamada Say Y here to support 64bit physical memory address. 201bb6b142fSMasahiro Yamada This can be used not only for 64bit SoCs, but also for 202bb6b142fSMasahiro Yamada large physical address extention on 32bit SoCs. 203bb6b142fSMasahiro Yamada 204871aa41dSHeinrich Schuchardtconfig BUILD_ROM 205871aa41dSHeinrich Schuchardt bool "Build U-Boot as BIOS replacement" 206871aa41dSHeinrich Schuchardt depends on X86 207871aa41dSHeinrich Schuchardt help 208871aa41dSHeinrich Schuchardt This option allows to build a ROM version of U-Boot. 209871aa41dSHeinrich Schuchardt The build process generally requires several binary blobs 210871aa41dSHeinrich Schuchardt which are not shipped in the U-Boot source tree. 211871aa41dSHeinrich Schuchardt Please, see doc/README.x86 for details. 212871aa41dSHeinrich Schuchardt 21340ad4c4bSMasahiro Yamadaendmenu # General setup 21440ad4c4bSMasahiro Yamada 215e91c3c33SMasahiro Yamadamenu "Boot images" 216e91c3c33SMasahiro Yamada 21748f6232eSTom Riniconfig ANDROID_BOOT_IMAGE 21848f6232eSTom Rini bool "Enable support for Android Boot Images" 21948f6232eSTom Rini default y if FASTBOOT 22048f6232eSTom Rini help 22148f6232eSTom Rini This enables support for booting images which use the Android 22248f6232eSTom Rini image format header. 22348f6232eSTom Rini 224b6cf4439SMasahiro Yamadaconfig FIT 225b6cf4439SMasahiro Yamada bool "Support Flattened Image Tree" 226aeb9c53cSAndre Przywara select MD5 227089df18bSTom Rini select SHA1 228b6cf4439SMasahiro Yamada help 229266aa86bSRobert P. J. Day This option allows you to boot the new uImage structure, 230b6cf4439SMasahiro Yamada Flattened Image Tree. FIT is formally a FDT, which can include 231b6cf4439SMasahiro Yamada images of various types (kernel, FDT blob, ramdisk, etc.) 232b6cf4439SMasahiro Yamada in a single blob. To boot this new uImage structure, 2331f9ac4a4SIgor Grinberg pass the address of the blob to the "bootm" command. 23473223f0eSSimon Glass FIT is very flexible, supporting compression, multiple images, 23573223f0eSSimon Glass multiple configurations, verification through hashing and also 236266aa86bSRobert P. J. Day verified boot (secure boot using RSA). 237b6cf4439SMasahiro Yamada 238266aa86bSRobert P. J. Dayif FIT 239b6cf4439SMasahiro Yamada 2400db7f685STom Riniconfig FIT_ENABLE_SHA256_SUPPORT 2410db7f685STom Rini bool "Support SHA256 checksum of FIT image contents" 242089df18bSTom Rini select SHA256 2430db7f685STom Rini default y 2440db7f685STom Rini help 2450db7f685STom Rini Enable this to support SHA256 checksum of FIT image contents. A 2460db7f685STom Rini SHA256 checksum is a 256-bit (32-byte) hash value used to check that 2470db7f685STom Rini the image contents have not been corrupted. SHA256 is recommended 2480db7f685STom Rini for use in secure applications since (as at 2016) there is no known 2490db7f685STom Rini feasible attack that could produce a 'collision' with differing 2500db7f685STom Rini input data. Use this for the highest security. Note that only the 2510db7f685STom Rini SHA256 variant is supported: SHA512 and others are not currently 2520db7f685STom Rini supported in U-Boot. 2530db7f685STom Rini 254b6cf4439SMasahiro Yamadaconfig FIT_SIGNATURE 255c4beb22fSRuchika Gupta bool "Enable signature verification of FIT uImages" 2569009798dSChris Kuethe depends on DM 257c4beb22fSRuchika Gupta select RSA 258b6cf4439SMasahiro Yamada help 259b6cf4439SMasahiro Yamada This option enables signature verification of FIT uImages, 26094e3c8c4Sgaurav rana using a hash signed and verified using RSA. If 26194e3c8c4Sgaurav rana CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive 262266aa86bSRobert P. J. Day hashing is available using hardware, then the RSA library will use 26373223f0eSSimon Glass it. See doc/uImage.FIT/signature.txt for more details. 26473223f0eSSimon Glass 26573223f0eSSimon Glass WARNING: When relying on signed FIT images with a required signature 26673223f0eSSimon Glass check the legacy image format is disabled by default, so that 26773223f0eSSimon Glass unsigned images cannot be loaded. If a board needs the legacy image 26873223f0eSSimon Glass format support in this case, enable it using 26973223f0eSSimon Glass CONFIG_IMAGE_FORMAT_LEGACY. 27073223f0eSSimon Glass 271266aa86bSRobert P. J. Dayconfig FIT_VERBOSE 272266aa86bSRobert P. J. Day bool "Show verbose messages when FIT images fail" 273266aa86bSRobert P. J. Day help 274266aa86bSRobert P. J. Day Generally a system will have valid FIT images so debug messages 275266aa86bSRobert P. J. Day are a waste of code space. If you are debugging your images then 276266aa86bSRobert P. J. Day you can enable this option to get more verbose information about 277266aa86bSRobert P. J. Day failures. 27851c14cd1STeddy Reed 27973223f0eSSimon Glassconfig FIT_BEST_MATCH 28073223f0eSSimon Glass bool "Select the best match for the kernel device tree" 28173223f0eSSimon Glass help 28273223f0eSSimon Glass When no configuration is explicitly selected, default to the 28373223f0eSSimon Glass one whose fdt's compatibility field best matches that of 28473223f0eSSimon Glass U-Boot itself. A match is considered "best" if it matches the 28573223f0eSSimon Glass most specific compatibility entry of U-Boot's fdt's root node. 28673223f0eSSimon Glass The order of entries in the configuration's fdt is ignored. 28773223f0eSSimon Glass 288266aa86bSRobert P. J. Dayconfig FIT_IMAGE_POST_PROCESS 289266aa86bSRobert P. J. Day bool "Enable post-processing of FIT artifacts after loading by U-Boot" 290266aa86bSRobert P. J. Day depends on TI_SECURE_DEVICE 29173223f0eSSimon Glass help 292266aa86bSRobert P. J. Day Allows doing any sort of manipulation to blobs after they got extracted 293266aa86bSRobert P. J. Day from FIT images like stripping off headers or modifying the size of the 294266aa86bSRobert P. J. Day blob, verification, authentication, decryption etc. in a platform or 295266aa86bSRobert P. J. Day board specific way. In order to use this feature a platform or board- 296266aa86bSRobert P. J. Day specific implementation of board_fit_image_post_process() must be 297266aa86bSRobert P. J. Day provided. Also, anything done during this post-processing step would 298266aa86bSRobert P. J. Day need to be comprehended in how the images were prepared before being 299266aa86bSRobert P. J. Day injected into the FIT creation (i.e. the blobs would have been pre- 300266aa86bSRobert P. J. Day processed before being added to the FIT image). 301266aa86bSRobert P. J. Day 30271139113STom Riniif SPL 30371139113STom Rini 304266aa86bSRobert P. J. Dayconfig SPL_FIT 305266aa86bSRobert P. J. Day bool "Support Flattened Image Tree within SPL" 306266aa86bSRobert P. J. Day depends on SPL 30785c07a5aSAndre Przywara select SPL_OF_LIBFDT 308266aa86bSRobert P. J. Day 309266aa86bSRobert P. J. Dayconfig SPL_FIT_SIGNATURE 310266aa86bSRobert P. J. Day bool "Enable signature verification of FIT firmware within SPL" 311266aa86bSRobert P. J. Day depends on SPL_DM 31285c07a5aSAndre Przywara select SPL_FIT 313266aa86bSRobert P. J. Day select SPL_RSA 314266aa86bSRobert P. J. Day 315266aa86bSRobert P. J. Dayconfig SPL_LOAD_FIT 316266aa86bSRobert P. J. Day bool "Enable SPL loading U-Boot as a FIT" 31785c07a5aSAndre Przywara select SPL_FIT 318266aa86bSRobert P. J. Day help 319266aa86bSRobert P. J. Day Normally with the SPL framework a legacy image is generated as part 320266aa86bSRobert P. J. Day of the build. This contains U-Boot along with information as to 321266aa86bSRobert P. J. Day where it should be loaded. This option instead enables generation 322266aa86bSRobert P. J. Day of a FIT (Flat Image Tree) which provides more flexibility. In 323266aa86bSRobert P. J. Day particular it can handle selecting from multiple device tree 324266aa86bSRobert P. J. Day and passing the correct one to U-Boot. 325266aa86bSRobert P. J. Day 326266aa86bSRobert P. J. Dayconfig SPL_FIT_IMAGE_POST_PROCESS 327266aa86bSRobert P. J. Day bool "Enable post-processing of FIT artifacts after loading by the SPL" 328c12d8b7dSext-vasily.gurevich@vaisala.com depends on SPL_LOAD_FIT 329266aa86bSRobert P. J. Day help 330266aa86bSRobert P. J. Day Allows doing any sort of manipulation to blobs after they got extracted 331266aa86bSRobert P. J. Day from the U-Boot FIT image like stripping off headers or modifying the 332266aa86bSRobert P. J. Day size of the blob, verification, authentication, decryption etc. in a 333266aa86bSRobert P. J. Day platform or board specific way. In order to use this feature a platform 334266aa86bSRobert P. J. Day or board-specific implementation of board_fit_image_post_process() must 335266aa86bSRobert P. J. Day be provided. Also, anything done during this post-processing step would 336266aa86bSRobert P. J. Day need to be comprehended in how the images were prepared before being 337266aa86bSRobert P. J. Day injected into the FIT creation (i.e. the blobs would have been pre- 338266aa86bSRobert P. J. Day processed before being added to the FIT image). 339266aa86bSRobert P. J. Day 3401a12fdc4SAndre Przywaraconfig SPL_FIT_SOURCE 3411a12fdc4SAndre Przywara string ".its source file for U-Boot FIT image" 3421a12fdc4SAndre Przywara depends on SPL_FIT 3431a12fdc4SAndre Przywara help 3441a12fdc4SAndre Przywara Specifies a (platform specific) FIT source file to generate the 3451a12fdc4SAndre Przywara U-Boot FIT image. This could specify further image to load and/or 3461a12fdc4SAndre Przywara execute. 3471a12fdc4SAndre Przywara 3481a12fdc4SAndre Przywaraconfig SPL_FIT_GENERATOR 3491a12fdc4SAndre Przywara string ".its file generator script for U-Boot FIT image" 3501a12fdc4SAndre Przywara depends on SPL_FIT 351d29adf8eSAndre Przywara default "board/sunxi/mksunxi_fit_atf.sh" if SPL_LOAD_FIT && ARCH_SUNXI 3521a12fdc4SAndre Przywara help 3531a12fdc4SAndre Przywara Specifies a (platform specific) script file to generate the FIT 3541a12fdc4SAndre Przywara source file used to build the U-Boot FIT image file. This gets 3551a12fdc4SAndre Przywara passed a list of supported device tree file stub names to 3561a12fdc4SAndre Przywara include in the generated image. 3571a12fdc4SAndre Przywara 35871139113STom Riniendif # SPL 35971139113STom Rini 360266aa86bSRobert P. J. Dayendif # FIT 36173223f0eSSimon Glass 36273223f0eSSimon Glassconfig OF_BOARD_SETUP 36373223f0eSSimon Glass bool "Set up board-specific details in device tree before boot" 36473223f0eSSimon Glass depends on OF_LIBFDT 36573223f0eSSimon Glass help 36673223f0eSSimon Glass This causes U-Boot to call ft_board_setup() before booting into 36773223f0eSSimon Glass the Operating System. This function can set up various 36873223f0eSSimon Glass board-specific information in the device tree for use by the OS. 36973223f0eSSimon Glass The device tree is then passed to the OS. 37073223f0eSSimon Glass 37173223f0eSSimon Glassconfig OF_SYSTEM_SETUP 37273223f0eSSimon Glass bool "Set up system-specific details in device tree before boot" 37373223f0eSSimon Glass depends on OF_LIBFDT 37473223f0eSSimon Glass help 37573223f0eSSimon Glass This causes U-Boot to call ft_system_setup() before booting into 37673223f0eSSimon Glass the Operating System. This function can set up various 37773223f0eSSimon Glass system-specific information in the device tree for use by the OS. 37873223f0eSSimon Glass The device tree is then passed to the OS. 37973223f0eSSimon Glass 38073223f0eSSimon Glassconfig OF_STDOUT_VIA_ALIAS 38173223f0eSSimon Glass bool "Update the device-tree stdout alias from U-Boot" 38273223f0eSSimon Glass depends on OF_LIBFDT 38373223f0eSSimon Glass help 38473223f0eSSimon Glass This uses U-Boot's serial alias from the aliases node to update 38573223f0eSSimon Glass the device tree passed to the OS. The "linux,stdout-path" property 38673223f0eSSimon Glass in the chosen node is set to point to the correct serial node. 38773223f0eSSimon Glass This option currently references CONFIG_CONS_INDEX, which is 38873223f0eSSimon Glass incorrect when used with device tree as this option does not 38973223f0eSSimon Glass exist / should not be used. 390b6cf4439SMasahiro Yamada 39151631259SMasahiro Yamadaconfig SYS_EXTRA_OPTIONS 39251631259SMasahiro Yamada string "Extra Options (DEPRECATED)" 39351631259SMasahiro Yamada help 39451631259SMasahiro Yamada The old configuration infrastructure (= mkconfig + boards.cfg) 395ed36323fSMasahiro Yamada provided the extra options field. If you have something like 39651631259SMasahiro Yamada "HAS_BAR,BAZ=64", the optional options 39751631259SMasahiro Yamada #define CONFIG_HAS 39851631259SMasahiro Yamada #define CONFIG_BAZ 64 39951631259SMasahiro Yamada will be defined in include/config.h. 40051631259SMasahiro Yamada This option was prepared for the smooth migration from the old 40151631259SMasahiro Yamada configuration to Kconfig. Since this option will be removed sometime, 40251631259SMasahiro Yamada new boards should not use this option. 40351631259SMasahiro Yamada 4047f7563ceSMasahiro Yamadaconfig SYS_TEXT_BASE 405278b90ceSTom Rini depends on !NIOS2 && !XTENSA 406484cce0dSBen Stoltz depends on !EFI_APP 407278b90ceSTom Rini default 0x80800000 if ARCH_OMAP2PLUS 4087f7563ceSMasahiro Yamada hex "Text Base" 4097f7563ceSMasahiro Yamada help 410278b90ceSTom Rini The address in memory that U-Boot will be running from, initially. 4117f7563ceSMasahiro Yamada 4127e0ed13fSAdam Ford 413eba3fbd6SAndreas Dannenberg 41433d88183SAlexey Brodkinconfig SYS_CLK_FREQ 415e71b422bSIain Paton depends on ARC || ARCH_SUNXI 41633d88183SAlexey Brodkin int "CPU clock frequency" 41733d88183SAlexey Brodkin help 41833d88183SAlexey Brodkin TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture 41933d88183SAlexey Brodkin 42063c09417SMasahiro Yamadaconfig ARCH_FIXUP_FDT_MEMORY 42163c09417SMasahiro Yamada bool "Enable arch_fixup_memory_banks() call" 422e2f88dfdSMichal Simek default y 423e2f88dfdSMichal Simek help 424e2f88dfdSMichal Simek Enable FDT memory map syncup before OS boot. This feature can be 425e2f88dfdSMichal Simek used for booting OS with different memory setup where the part of 426e2f88dfdSMichal Simek the memory location should be used for different purpose. 427e2f88dfdSMichal Simek 428e91c3c33SMasahiro Yamadaendmenu # Boot images 42951631259SMasahiro Yamada 4304db98d3dSEmmanuel Vadotsource "api/Kconfig" 4314db98d3dSEmmanuel Vadot 432ed36323fSMasahiro Yamadasource "common/Kconfig" 433ed36323fSMasahiro Yamada 43472a8cf8dSSimon Glasssource "cmd/Kconfig" 43572a8cf8dSSimon Glass 436e274ef6bSPatrick Delaunaysource "disk/Kconfig" 437e274ef6bSPatrick Delaunay 438783e6a72SMasahiro Yamadasource "dts/Kconfig" 439783e6a72SMasahiro Yamada 4400649cd0dSSimon Glasssource "env/Kconfig" 4410649cd0dSSimon Glass 442ed36323fSMasahiro Yamadasource "net/Kconfig" 443ed36323fSMasahiro Yamada 444ed36323fSMasahiro Yamadasource "drivers/Kconfig" 445ed36323fSMasahiro Yamada 446ed36323fSMasahiro Yamadasource "fs/Kconfig" 447ed36323fSMasahiro Yamada 448ed36323fSMasahiro Yamadasource "lib/Kconfig" 4491967982aSSimon Glass 4501967982aSSimon Glasssource "test/Kconfig" 451