X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=Kconfig;h=e7002edcb91bfb14c52695c75c324f9be960cc01;hb=e6de55ec5bf306df3b3cc8e7a4cc17fa1e78ca6c;hp=ee4e060c286fab19bb1d82f5cf56cde0b1116050;hpb=b766476df09b10c244bcf6f35a667d44f618a561;p=platform%2Fkernel%2Fu-boot.git

diff --git a/Kconfig b/Kconfig
index ee4e060..e7002ed 100644
--- a/Kconfig
+++ b/Kconfig
@@ -177,6 +177,10 @@ config FIT
 	  images of various types (kernel, FDT blob, ramdisk, etc.)
 	  in a single blob.  To boot this new uImage structure,
 	  pass the address of the blob to the "bootm" command.
+	  FIT is very flexible, supporting compression, multiple images,
+	  multiple configurations, verification through hashing and also
+	  verified boot (secure boot using RSA). This option enables that
+	  feature.
 
 config FIT_VERBOSE
 	bool "Display verbose messages on FIT boot"
@@ -191,8 +195,62 @@ config FIT_SIGNATURE
 	  This option enables signature verification of FIT uImages,
 	  using a hash signed and verified using RSA. If
 	  CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive
-	  hashing is available using hardware, RSA library will use it.
-	  See doc/uImage.FIT/signature.txt for more details.
+	  hashing is available using hardware, then then RSA library will use
+	  it. See doc/uImage.FIT/signature.txt for more details.
+
+	  WARNING: When relying on signed FIT images with a required signature
+	  check the legacy image format is disabled by default, so that
+	  unsigned images cannot be loaded. If a board needs the legacy image
+	  format support in this case, enable it using
+	  CONFIG_IMAGE_FORMAT_LEGACY.
+
+config FIT_BEST_MATCH
+	bool "Select the best match for the kernel device tree"
+	depends on FIT
+	help
+	  When no configuration is explicitly selected, default to the
+	  one whose fdt's compatibility field best matches that of
+	  U-Boot itself. A match is considered "best" if it matches the
+	  most specific compatibility entry of U-Boot's fdt's root node.
+	  The order of entries in the configuration's fdt is ignored.
+
+config FIT_VERBOSE
+	bool "Show verbose messages when FIT images fails"
+	depends on FIT
+	help
+	  Generally a system will have valid FIT images so debug messages
+	  are a waste of code space. If you are debugging your images then
+	  you can enable this option to get more verbose information about
+	  failures.
+
+config OF_BOARD_SETUP
+	bool "Set up board-specific details in device tree before boot"
+	depends on OF_LIBFDT
+	help
+	  This causes U-Boot to call ft_board_setup() before booting into
+	  the Operating System. This function can set up various
+	  board-specific information in the device tree for use by the OS.
+	  The device tree is then passed to the OS.
+
+config OF_SYSTEM_SETUP
+	bool "Set up system-specific details in device tree before boot"
+	depends on OF_LIBFDT
+	help
+	  This causes U-Boot to call ft_system_setup() before booting into
+	  the Operating System. This function can set up various
+	  system-specific information in the device tree for use by the OS.
+	  The device tree is then passed to the OS.
+
+config OF_STDOUT_VIA_ALIAS
+	bool "Update the device-tree stdout alias from U-Boot"
+	depends on OF_LIBFDT
+	help
+	  This uses U-Boot's serial alias from the aliases node to update
+	  the device tree passed to the OS. The "linux,stdout-path" property
+	  in the chosen node is set to point to the correct serial node.
+	  This option currently references CONFIG_CONS_INDEX, which is
+	  incorrect when used with device tree as this option does not
+	  exist / should not be used.
 
 config SYS_EXTRA_OPTIONS
 	string "Extra Options (DEPRECATED)"
@@ -215,6 +273,17 @@ config SYS_TEXT_BASE
 	help
 	  TODO: Move CONFIG_SYS_TEXT_BASE for all the architecture
 
+config SPL_LOAD_FIT
+	bool "Enable SPL loading U-Boot as a FIT"
+	depends on FIT
+	help
+	  Normally with the SPL framework a legacy image is generated as part
+	  of the build. This contains U-Boot along with information as to
+	  where it should be loaded. This option instead enables generation
+	  of a FIT (Flat Image Tree) which provides more flexibility. In
+	  particular it can handle selecting from multiple device tree
+	  and passing the correct one to U-Boot.
+
 config SYS_CLK_FREQ
 	depends on ARC || ARCH_SUNXI
 	int "CPU clock frequency"
@@ -225,6 +294,8 @@ endmenu		# Boot images
 
 source "common/Kconfig"
 
+source "cmd/Kconfig"
+
 source "dts/Kconfig"
 
 source "net/Kconfig"