151631259SMasahiro Yamada# 251631259SMasahiro Yamada# For a description of the syntax of this configuration file, 351631259SMasahiro Yamada# see Documentation/kbuild/kconfig-language.txt. 451631259SMasahiro Yamada# 551631259SMasahiro Yamadamainmenu "U-Boot $UBOOTVERSION Configuration" 651631259SMasahiro Yamada 751631259SMasahiro Yamadaconfig UBOOTVERSION 851631259SMasahiro Yamada string 951631259SMasahiro Yamada option env="UBOOTVERSION" 1051631259SMasahiro Yamada 1166afaef2SSimon Glass# Allow defaults in arch-specific code to override any given here 1266afaef2SSimon Glasssource "arch/Kconfig" 1366afaef2SSimon Glass 1451631259SMasahiro Yamadamenu "General setup" 1551631259SMasahiro Yamada 16e91c3c33SMasahiro Yamadaconfig LOCALVERSION 17e91c3c33SMasahiro Yamada string "Local version - append to U-Boot release" 18e91c3c33SMasahiro Yamada help 19e91c3c33SMasahiro Yamada Append an extra string to the end of your U-Boot version. 20e91c3c33SMasahiro Yamada This will show up on your boot log, for example. 21e91c3c33SMasahiro Yamada The string you set here will be appended after the contents of 22e91c3c33SMasahiro Yamada any files with a filename matching localversion* in your 23e91c3c33SMasahiro Yamada object and source tree, in that order. Your total string can 24e91c3c33SMasahiro Yamada be a maximum of 64 characters. 25e91c3c33SMasahiro Yamada 26e91c3c33SMasahiro Yamadaconfig LOCALVERSION_AUTO 27e91c3c33SMasahiro Yamada bool "Automatically append version information to the version string" 28e91c3c33SMasahiro Yamada default y 29e91c3c33SMasahiro Yamada help 30e91c3c33SMasahiro Yamada This will try to automatically determine if the current tree is a 31e91c3c33SMasahiro Yamada release tree by looking for git tags that belong to the current 32e91c3c33SMasahiro Yamada top of tree revision. 33e91c3c33SMasahiro Yamada 34e91c3c33SMasahiro Yamada A string of the format -gxxxxxxxx will be added to the localversion 35e91c3c33SMasahiro Yamada if a git-based tree is found. The string generated by this will be 36e91c3c33SMasahiro Yamada appended after any matching localversion* files, and after the value 37e91c3c33SMasahiro Yamada set in CONFIG_LOCALVERSION. 38e91c3c33SMasahiro Yamada 39e91c3c33SMasahiro Yamada (The actual string used here is the first eight characters produced 40e91c3c33SMasahiro Yamada by running the command: 41e91c3c33SMasahiro Yamada 42e91c3c33SMasahiro Yamada $ git rev-parse --verify HEAD 43e91c3c33SMasahiro Yamada 44e91c3c33SMasahiro Yamada which is done within the script "scripts/setlocalversion".) 45e91c3c33SMasahiro Yamada 464a8ed8e2SMasahiro Yamadaconfig CC_OPTIMIZE_FOR_SIZE 474a8ed8e2SMasahiro Yamada bool "Optimize for size" 484a8ed8e2SMasahiro Yamada default y 494a8ed8e2SMasahiro Yamada help 504a8ed8e2SMasahiro Yamada Enabling this option will pass "-Os" instead of "-O2" to gcc 514a8ed8e2SMasahiro Yamada resulting in a smaller U-Boot image. 524a8ed8e2SMasahiro Yamada 534a8ed8e2SMasahiro Yamada This option is enabled by default for U-Boot. 544a8ed8e2SMasahiro Yamada 55b724bd7dSSimon Glassconfig SYS_MALLOC_F 56b724bd7dSSimon Glass bool "Enable malloc() pool before relocation" 57b724bd7dSSimon Glass default 0x400 58b724bd7dSSimon Glass help 59b724bd7dSSimon Glass Before relocation memory is very limited on many platforms. Still, 60b724bd7dSSimon Glass we can provide a small malloc() pool if needed. Driver model in 61b724bd7dSSimon Glass particular needs this to operate, so that it can allocate the 62b724bd7dSSimon Glass initial serial device and any others that are needed. 63b724bd7dSSimon Glass 64b724bd7dSSimon Glassconfig SYS_MALLOC_F_LEN 65b724bd7dSSimon Glass hex "Size of malloc() pool before relocation" 66b724bd7dSSimon Glass depends on SYS_MALLOC_F 67b724bd7dSSimon Glass default 0x400 68b724bd7dSSimon Glass help 69b724bd7dSSimon Glass Before relocation memory is very limited on many platforms. Still, 70b724bd7dSSimon Glass we can provide a small malloc() pool if needed. Driver model in 71b724bd7dSSimon Glass particular needs this to operate, so that it can allocate the 72b724bd7dSSimon Glass initial serial device and any others that are needed. 73b724bd7dSSimon Glass 741bf0979fSTom Rinimenuconfig EXPERT 751bf0979fSTom Rini bool "Configure standard U-Boot features (expert users)" 761bf0979fSTom Rini help 771bf0979fSTom Rini This option allows certain base U-Boot options and settings 781bf0979fSTom Rini to be disabled or tweaked. This is for specialized 791bf0979fSTom Rini environments which can tolerate a "non-standard" U-Boot. 801bf0979fSTom Rini Only use this if you really know what you are doing. 811bf0979fSTom Rini 8240ad4c4bSMasahiro Yamadaendmenu # General setup 8340ad4c4bSMasahiro Yamada 84e91c3c33SMasahiro Yamadamenu "Boot images" 85e91c3c33SMasahiro Yamada 8602627356SMasahiro Yamadaconfig SUPPORT_SPL 8702627356SMasahiro Yamada bool 8802627356SMasahiro Yamada 89cf6bbe4cSMasahiro Yamadaconfig SUPPORT_TPL 90cf6bbe4cSMasahiro Yamada bool 91cf6bbe4cSMasahiro Yamada 9251631259SMasahiro Yamadaconfig SPL 9351631259SMasahiro Yamada bool 9402627356SMasahiro Yamada depends on SUPPORT_SPL 95d648964fSMasahiro Yamada prompt "Enable SPL" 9651631259SMasahiro Yamada help 9751631259SMasahiro Yamada If you want to build SPL as well as the normal image, say Y. 9851631259SMasahiro Yamada 99*db910353SSimon Glassconfig SPL_STACK_R 100*db910353SSimon Glass depends on SPL 101*db910353SSimon Glass bool "Enable SDRAM location for SPL stack" 102*db910353SSimon Glass help 103*db910353SSimon Glass SPL starts off execution in SRAM and thus typically has only a small 104*db910353SSimon Glass stack available. Since SPL sets up DRAM while in its board_init_f() 105*db910353SSimon Glass function, it is possible for the stack to move there before 106*db910353SSimon Glass board_init_r() is reached. This option enables a special SDRAM 107*db910353SSimon Glass location for the SPL stack. U-Boot SPL switches to this after 108*db910353SSimon Glass board_init_f() completes, and before board_init_r() starts. 109*db910353SSimon Glass 110*db910353SSimon Glassconfig SPL_STACK_R_ADDR 111*db910353SSimon Glass depends on SPL_STACK_R 112*db910353SSimon Glass hex "SDRAM location for SPL stack" 113*db910353SSimon Glass help 114*db910353SSimon Glass Specify the address in SDRAM for the SPL stack. This will be set up 115*db910353SSimon Glass before board_init_r() is called. 116*db910353SSimon Glass 11751631259SMasahiro Yamadaconfig TPL 11851631259SMasahiro Yamada bool 119cf6bbe4cSMasahiro Yamada depends on SPL && SUPPORT_TPL 120d648964fSMasahiro Yamada prompt "Enable TPL" 12151631259SMasahiro Yamada help 12251631259SMasahiro Yamada If you want to build TPL as well as the normal image and SPL, say Y. 12351631259SMasahiro Yamada 124b6cf4439SMasahiro Yamadaconfig FIT 125b6cf4439SMasahiro Yamada bool "Support Flattened Image Tree" 126b6cf4439SMasahiro Yamada help 127b6cf4439SMasahiro Yamada This option allows to boot the new uImage structrure, 128b6cf4439SMasahiro Yamada Flattened Image Tree. FIT is formally a FDT, which can include 129b6cf4439SMasahiro Yamada images of various types (kernel, FDT blob, ramdisk, etc.) 130b6cf4439SMasahiro Yamada in a single blob. To boot this new uImage structure, 131b6cf4439SMasahiro Yamada pass the the address of the blob to the "bootm" command. 132b6cf4439SMasahiro Yamada 133b6cf4439SMasahiro Yamadaconfig FIT_VERBOSE 134b6cf4439SMasahiro Yamada bool "Display verbose messages on FIT boot" 135b6cf4439SMasahiro Yamada depends on FIT 136b6cf4439SMasahiro Yamada 137b6cf4439SMasahiro Yamadaconfig FIT_SIGNATURE 138c4beb22fSRuchika Gupta bool "Enable signature verification of FIT uImages" 139b6cf4439SMasahiro Yamada depends on FIT 1409009798dSChris Kuethe depends on DM 141c4beb22fSRuchika Gupta select RSA 142b6cf4439SMasahiro Yamada help 143b6cf4439SMasahiro Yamada This option enables signature verification of FIT uImages, 14494e3c8c4Sgaurav rana using a hash signed and verified using RSA. If 14594e3c8c4Sgaurav rana CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive 14694e3c8c4Sgaurav rana hashing is available using hardware, RSA library will use it. 147b6cf4439SMasahiro Yamada See doc/uImage.FIT/signature.txt for more details. 148b6cf4439SMasahiro Yamada 14951631259SMasahiro Yamadaconfig SYS_EXTRA_OPTIONS 15051631259SMasahiro Yamada string "Extra Options (DEPRECATED)" 15151631259SMasahiro Yamada help 15251631259SMasahiro Yamada The old configuration infrastructure (= mkconfig + boards.cfg) 153ed36323fSMasahiro Yamada provided the extra options field. If you have something like 15451631259SMasahiro Yamada "HAS_BAR,BAZ=64", the optional options 15551631259SMasahiro Yamada #define CONFIG_HAS 15651631259SMasahiro Yamada #define CONFIG_BAZ 64 15751631259SMasahiro Yamada will be defined in include/config.h. 15851631259SMasahiro Yamada This option was prepared for the smooth migration from the old 15951631259SMasahiro Yamada configuration to Kconfig. Since this option will be removed sometime, 16051631259SMasahiro Yamada new boards should not use this option. 16151631259SMasahiro Yamada 1627f7563ceSMasahiro Yamadaconfig SYS_TEXT_BASE 163836d2cc2SAlexey Brodkin depends on SPARC || ARC 1647f7563ceSMasahiro Yamada hex "Text Base" 1657f7563ceSMasahiro Yamada help 1667f7563ceSMasahiro Yamada TODO: Move CONFIG_SYS_TEXT_BASE for all the architecture 1677f7563ceSMasahiro Yamada 16833d88183SAlexey Brodkinconfig SYS_CLK_FREQ 16933d88183SAlexey Brodkin depends on ARC 17033d88183SAlexey Brodkin int "CPU clock frequency" 17133d88183SAlexey Brodkin help 17233d88183SAlexey Brodkin TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture 17333d88183SAlexey Brodkin 174e91c3c33SMasahiro Yamadaendmenu # Boot images 17551631259SMasahiro Yamada 176ed36323fSMasahiro Yamadasource "common/Kconfig" 177ed36323fSMasahiro Yamada 178783e6a72SMasahiro Yamadasource "dts/Kconfig" 179783e6a72SMasahiro Yamada 180ed36323fSMasahiro Yamadasource "net/Kconfig" 181ed36323fSMasahiro Yamada 182ed36323fSMasahiro Yamadasource "drivers/Kconfig" 183ed36323fSMasahiro Yamada 184ed36323fSMasahiro Yamadasource "fs/Kconfig" 185ed36323fSMasahiro Yamada 186ed36323fSMasahiro Yamadasource "lib/Kconfig" 1871967982aSSimon Glass 1881967982aSSimon Glasssource "test/Kconfig" 189