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" default BR2_TARGET_UBOOT_2012_10 help Select the specific U-Boot version you want to use config BR2_TARGET_UBOOT_2012_10 bool "2012.10" config BR2_TARGET_UBOOT_2012_07 bool "2012.07" config BR2_TARGET_UBOOT_2012_04 bool "2012.04.01" config BR2_TARGET_UBOOT_2011_12 bool "2011.12" config BR2_TARGET_UBOOT_2011_09 bool "2011.09" depends on BR2_DEPRECATED config BR2_TARGET_UBOOT_2011_06 bool "2011.06" depends on BR2_DEPRECATED config BR2_TARGET_UBOOT_CUSTOM_TARBALL bool "Custom tarball" config BR2_TARGET_UBOOT_CUSTOM_GIT bool "Custom Git repository" endchoice if BR2_TARGET_UBOOT_CUSTOM_TARBALL config BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION string "URL of custom U-Boot tarball" endif config BR2_TARGET_UBOOT_VERSION string default "2012.10" if BR2_TARGET_UBOOT_2012_10 default "2012.07" if BR2_TARGET_UBOOT_2012_07 default "2012.04.01" if BR2_TARGET_UBOOT_2012_04 default "2011.12" if BR2_TARGET_UBOOT_2011_12 default "2011.09" if BR2_TARGET_UBOOT_2011_09 default "2011.06" if BR2_TARGET_UBOOT_2011_06 default "custom" if BR2_TARGET_UBOOT_CUSTOM_TARBALL default $BR2_TARGET_UBOOT_CUSTOM_GIT_VERSION if BR2_TARGET_UBOOT_CUSTOM_GIT 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 if BR2_TARGET_UBOOT_CUSTOM_GIT config BR2_TARGET_UBOOT_CUSTOM_GIT_REPO_URL string "URL of custom Git repository" config BR2_TARGET_UBOOT_CUSTOM_GIT_VERSION string "Custom Git version" endif 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_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" endchoice 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" 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 "U-Boot SPL support" depends on !BR2_TARGET_XLOADER help Enable the U-Boot SPL support. 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 target name" default "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 u-boot-spl.bin but not always. It is MLO on OMAP for example. endif # BR2_TARGET_UBOOT