Kconfig

   1 #
   2 # For a description of the syntax of this configuration file,
   3 # see Documentation/kbuild/kconfig-language.txt.
   4 #
   5 mainmenu "U-Boot $UBOOTVERSION Configuration"
   6
   7 config UBOOTVERSION
   8         string
   9         option env="UBOOTVERSION"
  10
  11 config KCONFIG_OBJDIR
  12         string
  13         option env="KCONFIG_OBJDIR"
  14
  15 menu "General setup"
  16
  17 config 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
  28 config 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
  49 config 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
  59 menuconfig EXPERT
  60         bool "Configure standard U-Boot features (expert users)"
  61         help
  62           This option allows certain base U-Boot options and settings
  63           to be disabled or tweaked. This is for specialized
  64           environments which can tolerate a "non-standard" U-Boot.
  65           Only use this if you really know what you are doing.
  66
  67 endmenu         # General setup
  68
  69 menu "Boot images"
  70
  71 config SPL_BUILD
  72         bool
  73         depends on $KCONFIG_OBJDIR="spl" || $KCONFIG_OBJDIR="tpl"
  74         default y
  75
  76 config TPL_BUILD
  77         bool
  78         depends on $KCONFIG_OBJDIR="tpl"
  79         default y
  80
  81 config SUPPORT_SPL
  82         bool
  83
  84 config SUPPORT_TPL
  85         bool
  86
  87 config SPL
  88         bool
  89         depends on SUPPORT_SPL
  90         prompt "Enable SPL" if !SPL_BUILD
  91         default y if SPL_BUILD
  92         help
  93           If you want to build SPL as well as the normal image, say Y.
  94
  95 config TPL
  96         bool
  97         depends on SPL && SUPPORT_TPL
  98         prompt "Enable TPL" if !SPL_BUILD
  99         default y if TPL_BUILD
 100         default n
 101         help
 102           If you want to build TPL as well as the normal image and SPL, say Y.
 103
 104 config FIT
 105         bool "Support Flattened Image Tree"
 106         depends on !SPL_BUILD
 107         help
 108           This option allows to boot the new uImage structrure,
 109           Flattened Image Tree.  FIT is formally a FDT, which can include
 110           images of various types (kernel, FDT blob, ramdisk, etc.)
 111           in a single blob.  To boot this new uImage structure,
 112           pass the the address of the blob to the "bootm" command.
 113
 114 config FIT_VERBOSE
 115         bool "Display verbose messages on FIT boot"
 116         depends on FIT
 117
 118 config FIT_SIGNATURE
 119         bool "Enable signature verification of FIT uImages"
 120         depends on FIT
 121         depends on DM
 122         select RSA
 123         help
 124           This option enables signature verification of FIT uImages,
 125           using a hash signed and verified using RSA.
 126           See doc/uImage.FIT/signature.txt for more details.
 127
 128 config SYS_EXTRA_OPTIONS
 129         string "Extra Options (DEPRECATED)"
 130         depends on !SPL_BUILD
 131         help
 132           The old configuration infrastructure (= mkconfig + boards.cfg)
 133           provided the extra options field. If you have something like
 134           "HAS_BAR,BAZ=64", the optional options
 135             #define CONFIG_HAS
 136             #define CONFIG_BAZ  64
 137           will be defined in include/config.h.
 138           This option was prepared for the smooth migration from the old
 139           configuration to Kconfig. Since this option will be removed sometime,
 140           new boards should not use this option.
 141
 142 config SYS_TEXT_BASE
 143         depends on SPARC || ARC
 144         hex "Text Base"
 145         help
 146           TODO: Move CONFIG_SYS_TEXT_BASE for all the architecture
 147
 148 config SYS_CLK_FREQ
 149         depends on ARC
 150         int "CPU clock frequency"
 151         help
 152           TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture
 153
 154 endmenu         # Boot images
 155
 156 source "arch/Kconfig"
 157
 158 source "common/Kconfig"
 159
 160 source "dts/Kconfig"
 161
 162 source "net/Kconfig"
 163
 164 source "drivers/Kconfig"
 165
 166 source "fs/Kconfig"
 167
 168 source "lib/Kconfig"
 169
 170 source "test/Kconfig"