boot/uboot/Config.in

2 	bool "U-Boot"
4 	  Build "Das U-Boot" Boot Monitor
6 	  https://www.denx.de/wiki/U-Boot
17 	  Select this option if you use a recent U-Boot version (2015.04
23 	  Select this option if you use an old U-Boot (older than
30 	string "U-Boot board name"
32 	  One of U-Boot supported boards to be built.
33 	  This will be suffixed with _config to meet U-Boot standard
34 	  naming. See boards.cfg in U-Boot source code for the list of
39 	prompt "U-Boot Version"
41 	  Select the specific U-Boot version you want to use
66 	string "U-Boot version"
70 	string "URL of custom U-Boot tarball"
96 	string "Custom U-Boot patches"
99 	  A space-separated list of patches to apply to U-Boot.
108 	prompt "U-Boot configuration"
112 	bool "Using an in-tree board defconfig file"
123 	  Name of the board for which U-Boot should be built, without
130 	  Path to the U-Boot configuration file.
135 	  A space-separated list of configuration fragment files,
136 	  that will be merged to the main U-Boot configuration file.
140 	bool "U-Boot needs dtc"
143 	  Select this option if your U-Boot board configuration
150 	bool "U-Boot needs host Python"
156 	  Select this option if U-Boot does not need any
162 	  Select this option if U-Boot needs a host Python 2.x
163 	  interpreter. This is the case for some U-Boot
164 	  configurations, prior to U-Boot 2020.01.
169 	  Select this option if U-Boot needs a host Python 3.x
170 	  interpreter. This is the case for some U-Boot
171 	  configurations, after U-Boot 2020.01.
176 	bool "U-Boot needs pylibfdt"
179 	  Select this option if your U-Boot board configuration
183 	bool "U-Boot needs pyelftools"
186 	  Select this option if your U-Boot board configuration
192 	bool "U-Boot needs OpenSSL"
194 	  Select this option if your U-Boot board configuration
200 	bool "U-Boot needs lzop"
202 	  Select this option if your U-Boot board configuration
208 	bool "U-Boot needs ATF BL31"
214 	  encapsulate the BL31 part of ATF inside U-Boot. This option
215 	  makes sure ATF gets built prior to U-Boot, and that the BL31
220 	prompt "U-Boot ATF BL31 format"
233 	bool "U-Boot needs OpenSBI"
236 	  Some RISC-V platforms (such as SiFive HiFive Unleashed)
237 	  encapsulate the OpenSBI firmware image inside U-Boot.
238 	  This option makes sure OpenSBI gets built prior to U-Boot,
243 	bool "U-Boot needs firmware-imx"
249 	  Nano) encapsulate NXP specific firmware (DDR, HDMI) inside
250 	  U-Boot.
252 	  the U-Boot source directory.
254 menu "U-Boot binary format"
257 	bool "u-boot.ais"
260 	  It is required to load code/data on OMAP-L1 processors.
261 	  u-boot.ais contains U-Boot with the SPL support.
264 	bool "u-boot.bin"
268 	bool "u-boot.dtb"
271 	bool "u-boot-dtb.bin"
274 	bool "u-boot-nand.bin"
277 	bool "u-boot.elf"
280 	bool "u-boot.img"
283 	bool "u-boot-dtb.img"
286 	bool "u-boot.imx"
289 	bool "u-boot-dtb.imx"
292 	bool "u-boot.itb"
295 	bool "u-boot.kwb (Marvell)"
299 	bool "u-boot.nand (Freescale i.MX28)"
305 	  U-Boot includes an mxsboot tool to generate this format,
312 	  'u-boot.nand' needs to written.
314 	  applies after 'u-boot.nand' was correctly written. There is no
316 	  be upgraded by writing 'u-boot.sb'.
318 	  To satisfy both cases, the 'u-boot.nand' image obtained from
319 	  mxsboot as well as the U-Boot make target 'u-boot.sb' are
333 	  The value provided here is passed to the -w option of mxsboot.
342 	  The value provided here is passed to the -o option of mxsboot.
351 	  The value provided here is passed to the -e option of mxsboot.
356 	bool "u-boot.sb (Freescale i.MX28)"
360 	bool "u-boot.sd (Freescale i.MX28)"
366 	  U-Boot includes an mxsboot tool to generate this format,
372 	bool "u-boot.stm32"
378 	  On some platforms, the standard U-Boot binary is not called
379 	  u-boot.bin, but u-boot<something>.bin. If this is your case,
384 	string "U-Boot binary format: custom names"
387 	  In case the U-Boot binary for the target platform is not among
392 	  u-boot_magic.bin
402 	  Use gpsign to produce an image of u-boot.bin signed with
404 	  This allows U-Boot to boot without the need for an
405 	  intermediate bootloader (e.g. x-loader) if it is written
411 	  https://github.com/nmenon/omap-u-boot-utils/blob/master/README
422 	  The omap-u-boot-utils software contains example
424 	  https://github.com/nmenon/omap-u-boot-utils/tree/master/configs
429 	bool "Install U-Boot SPL binary image"
432 	  Install the U-Boot SPL binary image to the images
436 	  external memory (DDR), and load the u-boot program
437 	  into DDR.
440 	string "U-Boot SPL/TPL binary image name(s)"
441 	default "spl/u-boot-spl.bin"
444 	  A space-separated list of SPL/TPL binaries, generated during
445 	  u-boot build. For most platform SPL name is spl/u-boot-spl.bin
446 	  and TPL name is tpl/u-boot-tpl.bin but not always. SPL name is
455 	  Generate the BOOT.BIN file from U-Boot's SPL. The image
457 	  A bitstream can be loaded by the U-Boot. The SPL searchs
458 	  for u-boot-dtb.img file so this U-Boot format is required
470 	string "PMU firmware location"
473 	  Location of a PMU firmware binary.
475 	  If not empty, instructs the U-Boot build process to generate
477 	  both the U-Boot SPL and the PMU firmware in the
478 	  Xilinx-specific boot format.
485 	  If empty, the generated boot.bin will not contain a PMU
488 	  This feature requires U-Boot >= 2018.07.
491 	string "PMU configuration location"
494 	  Location of a PMU configuration file.
496 	  If not empty, Buildroot will convert the PMU configuration
497 	  file into a loadable blob and pass it to U-Boot. The blob gets
498 	  embedded into the U-Boot SPL and is used to configure the PMU
501 	  Unlike the PMU firmware, the PMU configuration file is unique
502 	  to each board configuration. A PMU configuration file can be
507 	  Leave this option empty if your PMU firmware has a hard-coded
510 	  This feature requires U-Boot >= v2019.10.
522 	  Although U-Boot contains psu_init_gpl.c files for some
530 	  needed, should be in the same directory. U-Boot will build
531 	  and link the user-provided file instead of the built-in one.
533 	  Leave empty to use the files provided by U-Boot.
537 	  U-Boot, available from versions after 2018.07.
546 	  Pass the U-Boot image through the mkpimage tool to enable
552 	  U-Boot. In this case, it's directly the full U-Boot image
559 	  Otherwise the full u-boot-dtb.bin is converted using
570 	  Space-separated list of paths to device tree source files
574 	  To use this device tree source file, the U-Boot configuration