1# 2# For a description of the syntax of this configuration file, 3# see Documentation/kbuild/kconfig-language.txt. 4# 5mainmenu "U-Boot $UBOOTVERSION Configuration" 6 7config UBOOTVERSION 8 string 9 option env="UBOOTVERSION" 10 11config KCONFIG_OBJDIR 12 string 13 option env="KCONFIG_OBJDIR" 14 15menu "General setup" 16 17config LOCALVERSION 18 string "Local version - append to U-Boot release" 19 depends on !SPL_BUILD 20 help 21 Append an extra string to the end of your U-Boot version. 22 This will show up on your boot log, for example. 23 The string you set here will be appended after the contents of 24 any files with a filename matching localversion* in your 25 object and source tree, in that order. Your total string can 26 be a maximum of 64 characters. 27 28config LOCALVERSION_AUTO 29 bool "Automatically append version information to the version string" 30 depends on !SPL_BUILD 31 default y 32 help 33 This will try to automatically determine if the current tree is a 34 release tree by looking for git tags that belong to the current 35 top of tree revision. 36 37 A string of the format -gxxxxxxxx will be added to the localversion 38 if a git-based tree is found. The string generated by this will be 39 appended after any matching localversion* files, and after the value 40 set in CONFIG_LOCALVERSION. 41 42 (The actual string used here is the first eight characters produced 43 by running the command: 44 45 $ git rev-parse --verify HEAD 46 47 which is done within the script "scripts/setlocalversion".) 48 49config CC_OPTIMIZE_FOR_SIZE 50 bool "Optimize for size" 51 depends on !SPL_BUILD 52 default y 53 help 54 Enabling this option will pass "-Os" instead of "-O2" to gcc 55 resulting in a smaller U-Boot image. 56 57 This option is enabled by default for U-Boot. 58 59endmenu # General setup 60 61menu "Boot images" 62 63config SPL_BUILD 64 bool 65 depends on $KCONFIG_OBJDIR="spl" || $KCONFIG_OBJDIR="tpl" 66 default y 67 68config TPL_BUILD 69 bool 70 depends on $KCONFIG_OBJDIR="tpl" 71 default y 72 73config SPL 74 bool 75 prompt "Enable SPL" if !SPL_BUILD 76 default y if SPL_BUILD 77 help 78 If you want to build SPL as well as the normal image, say Y. 79 80config TPL 81 bool 82 depends on SPL 83 prompt "Enable TPL" if !SPL_BUILD 84 default y if TPL_BUILD 85 default n 86 help 87 If you want to build TPL as well as the normal image and SPL, say Y. 88 89config SYS_EXTRA_OPTIONS 90 string "Extra Options (DEPRECATED)" 91 depends on !SPL_BUILD 92 help 93 The old configuration infrastructure (= mkconfig + boards.cfg) 94 provided the extra options field. It you have something like 95 "HAS_BAR,BAZ=64", the optional options 96 #define CONFIG_HAS 97 #define CONFIG_BAZ 64 98 will be defined in include/config.h. 99 This option was prepared for the smooth migration from the old 100 configuration to Kconfig. Since this option will be removed sometime, 101 new boards should not use this option. 102 103endmenu # Boot images 104 105source "arch/Kconfig" 106