config BR2_TARGET_UBOOT bool "U-Boot" help Build "Das U-Boot" Boot Monitor if BR2_TARGET_UBOOT config BR2_TARGET_UBOOT_BOARDNAME string "U-Boot board name" help One of U-Boot supported boards to be built. This will be suffixed with _config to meet U-Boot standard naming. See boards.cfg in U-Boot source code for the list of available configurations. choice prompt "U-Boot Version" help Select the specific U-Boot version you want to use config BR2_TARGET_UBOOT_LATEST_VERSION bool "2015.01" config BR2_TARGET_UBOOT_CUSTOM_VERSION bool "Custom version" help This option allows to use a specific official versions config BR2_TARGET_UBOOT_CUSTOM_TARBALL bool "Custom tarball" config BR2_TARGET_UBOOT_CUSTOM_GIT bool "Custom Git repository" config BR2_TARGET_UBOOT_CUSTOM_HG bool "Custom Mercurial repository" endchoice config BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE string "U-Boot version" depends on BR2_TARGET_UBOOT_CUSTOM_VERSION config BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION string "URL of custom U-Boot tarball" depends on BR2_TARGET_UBOOT_CUSTOM_TARBALL if BR2_TARGET_UBOOT_CUSTOM_GIT || BR2_TARGET_UBOOT_CUSTOM_HG config BR2_TARGET_UBOOT_CUSTOM_REPO_URL string "URL of custom repository" default BR2_TARGET_UBOOT_CUSTOM_GIT_REPO_URL \ if BR2_TARGET_UBOOT_CUSTOM_GIT_REPO_URL != "" # legacy config BR2_TARGET_UBOOT_CUSTOM_REPO_VERSION string "Custom repository version" default BR2_TARGET_UBOOT_CUSTOM_GIT_VERSION \ if BR2_TARGET_UBOOT_CUSTOM_GIT_VERSION != "" # legacy help Revision to use in the typical format used by Git/Mercurial E.G. a sha id, a tag, branch, .. endif config BR2_TARGET_UBOOT_VERSION string default "2015.01" if BR2_TARGET_UBOOT_LATEST_VERSION default BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE \ if BR2_TARGET_UBOOT_CUSTOM_VERSION default "custom" if BR2_TARGET_UBOOT_CUSTOM_TARBALL default BR2_TARGET_UBOOT_CUSTOM_REPO_VERSION \ if BR2_TARGET_UBOOT_CUSTOM_GIT || BR2_TARGET_UBOOT_CUSTOM_HG config BR2_TARGET_UBOOT_CUSTOM_PATCH_DIR string "custom patch dir" help If your board requires custom patches, add the path to the directory containing the patches here. The patches must be named uboot-.patch. Most users may leave this empty choice prompt "U-Boot binary format" default BR2_TARGET_UBOOT_FORMAT_BIN config BR2_TARGET_UBOOT_FORMAT_AIS bool "u-boot.ais" help AIS (Application Image Script) is a format defined by TI. It is required to load code/data on OMAP-L1 processors. u-boot.ais contains U-Boot with the SPL support. config BR2_TARGET_UBOOT_FORMAT_BIN bool "u-boot.bin" config BR2_TARGET_UBOOT_FORMAT_IMG bool "u-boot.img" config BR2_TARGET_UBOOT_FORMAT_IMX bool "u-boot.imx" config BR2_TARGET_UBOOT_FORMAT_NAND_BIN bool "u-boot-nand.bin" config BR2_TARGET_UBOOT_FORMAT_KWB depends on BR2_arm bool "u-boot.kwb (Marvell)" config BR2_TARGET_UBOOT_FORMAT_LDR depends on BR2_bfin bool "u-boot.ldr" config BR2_TARGET_UBOOT_FORMAT_ELF bool "u-boot.elf" config BR2_TARGET_UBOOT_FORMAT_SB depends on BR2_arm bool "u-boot.sb" config BR2_TARGET_UBOOT_FORMAT_CUSTOM bool "Custom (specify below)" help On some platforms, the standard U-Boot binary is not called u-boot.bin, but u-boot.bin. If this is your case, you should select this option and specify the correct name in BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME. endchoice config BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME string "U-Boot binary format: custom name" depends on BR2_TARGET_UBOOT_FORMAT_CUSTOM help Specify the correct name of the output binary created by U-Boot, if it is not one of the default names. For example: u-boot_magic.bin config BR2_TARGET_UBOOT_OMAP_IFT depends on BR2_TARGET_UBOOT_FORMAT_BIN depends on BR2_arm || BR2_armeb select BR2_PACKAGE_HOST_OMAP_U_BOOT_UTILS bool "produce a .ift signed image (OMAP)" help Use gpsign to produce an image of u-boot.bin signed with a Configuration Header for booting on OMAP processors. This allows U-Boot to boot without the need for an intermediate bootloader (e.g. x-loader) if it is written on the first sector of the boot medium. This only works for some media, such as NAND. Check your chip documentation for details. You might also want to read the documentation of gpsign, the tool that generates the .ift image, at: https://github.com/nmenon/omap-u-boot-utils/blob/master/README if BR2_TARGET_UBOOT_OMAP_IFT config BR2_TARGET_UBOOT_OMAP_IFT_CONFIG string "gpsign Configuration Header config file" help The Configuration Header (CH) config file defines the desired content of the CH for the signed image. It usually contains external RAM settings and possibly other external devices initialization. The omap-u-boot-utils software contains example configuration files for some boards: https://github.com/nmenon/omap-u-boot-utils/tree/master/configs endif menuconfig BR2_TARGET_UBOOT_NETWORK bool "Custom Network Settings" depends on BR2_DEPRECATED_SINCE_2014_05 help Custom network settings for U-boot if BR2_TARGET_UBOOT_NETWORK config BR2_TARGET_UBOOT_SERVERIP string "server ip" default "10.175.196.221" help TFTP server ip address config BR2_TARGET_UBOOT_IPADDR string "ip address" default "10.175.196.18" help Target ip address config BR2_TARGET_UBOOT_GATEWAY string "gateway ip" default "10.175.196.1" help Gateway ip address config BR2_TARGET_UBOOT_NETMASK string "netmask" default "255.255.255.0" help Network Mask config BR2_TARGET_UBOOT_ETHADDR string "ethernet address" default "04:25:fe:ed:00:18" help Target MAC address for the ethernet interface. This should be changed for production units config BR2_TARGET_UBOOT_ETH1ADDR string "ethernet 2 address" help Target MAC address for the second ethernet interface. endif # BR2_TARGET_UBOOT_NETWORK config BR2_TARGET_UBOOT_SPL bool "Install U-Boot SPL binary image" depends on !BR2_TARGET_XLOADER help Install the U-Boot SPL binary image to the images directory. SPL is a first stage bootloader loaded into internal memory in charge of enabling and configuring the external memory (DDR), and load the u-boot program into DDR. config BR2_TARGET_UBOOT_SPL_NAME string "U-Boot SPL binary image name" default "spl/u-boot-spl.bin" depends on BR2_TARGET_UBOOT_SPL help This is the name of the SPL binary, generated during u-boot build. For most platform it is spl/u-boot-spl.bin but not always. It is MLO on OMAP for example. menuconfig BR2_TARGET_UBOOT_ENVIMAGE bool "Environment image" help Generate a valid binary environment image from a text file describing the key=value pairs of the environment. The environment image will be called uboot-env.bin. if BR2_TARGET_UBOOT_ENVIMAGE config BR2_TARGET_UBOOT_ENVIMAGE_SOURCE string "Source file for environment" help Text file describing the environment. config BR2_TARGET_UBOOT_ENVIMAGE_SIZE string "Size of environment" help Size of envronment, can be prefixed with 0x for hexadecimal values. config BR2_TARGET_UBOOT_ENVIMAGE_REDUNDANT bool "Environment has two copies" help Some platforms define in their U-Boot configuration that the U-Boot environment should be duplicated in two locations (for extra safety). Check your U-Boot configuration for the CONFIG_ENV_ADDR_REDUND and CONFIG_ENV_SIZE_REDUND settings to see if this is the case for your platform. If it is the case, then you should enable this option to ensure that the U-Boot environment image generated by Buildroot is compatible with the "redundant environment" mechanism of U-Boot. endif # BR2_TARGET_UBOOT_ENVIMAGE endif # BR2_TARGET_UBOOT