This option is enabled by default for U-Boot.
+config DISTRO_DEFAULTS
+ bool "Select defaults suitable for booting general purpose Linux distributions"
+ default y if ARCH_SUNXI || TEGRA
+ default y if ARCH_LS2080A
+ default y if ARCH_MESON
+ default y if ARCH_ROCKCHIP
+ default n
+ select CMD_BOOTZ if ARM && !ARM64
+ select CMD_BOOTI if ARM64
+ select CMD_DHCP
+ select CMD_PXE
+ select CMD_EXT2
+ select CMD_EXT4
+ select CMD_FAT
+ select CMD_FS_GENERIC
+ select CMD_MII
+ select CMD_PING
+ select CMD_PART
+ select HUSH_PARSER
+ help
+ Select this to enable various options and commands which are suitable
+ for building u-boot for booting general purpose Linux distributions.
+
config SYS_MALLOC_F
bool "Enable malloc() pool before relocation"
default y if DM
particular needs this to operate, so that it can allocate the
initial serial device and any others that are needed.
+config SPL_SYS_MALLOC_F_LEN
+ hex "Size of malloc() pool in spl before relocation"
+ depends on SYS_MALLOC_F
+ default SYS_MALLOC_F_LEN
+ help
+ Before relocation, memory is very limited on many platforms. Still,
+ we can provide a small malloc() pool if needed. Driver model in
+ particular needs this to operate, so that it can allocate the
+ initial serial device and any others that are needed.
+
menuconfig EXPERT
bool "Configure standard U-Boot features (expert users)"
default y
Warning:
When disabling this, please check if malloc calls, maybe
should be replaced by calloc - if one expects zeroed memory.
-endif
-endmenu # General setup
-
-menu "Boot images"
-config SUPPORT_SPL
- bool
-
-config SUPPORT_TPL
- bool
-
-config SPL
- bool
- depends on SUPPORT_SPL
- prompt "Enable SPL"
+config TOOLS_DEBUG
+ bool "Enable debug information for tools"
help
- If you want to build SPL as well as the normal image, say Y.
+ Enable generation of debug information for tools such as mkimage.
+ This can be used for debugging purposes. With debug information
+ it is possible to set breakpoints on particular lines, single-step
+ debug through the source code, etc.
-config SPL_SYS_MALLOC_SIMPLE
- bool
- depends on SPL
- prompt "Only use malloc_simple functions in the SPL"
- help
- Say Y here to only use the *_simple malloc functions from
- malloc_simple.c, rather then using the versions from dlmalloc.c;
- this will make the SPL binary smaller at the cost of more heap
- usage as the *_simple malloc functions do not re-use free-ed mem.
+endif # EXPERT
-config SPL_STACK_R
- depends on SPL
- bool "Enable SDRAM location for SPL stack"
+config PHYS_64BIT
+ bool "64bit physical address support"
help
- SPL starts off execution in SRAM and thus typically has only a small
- stack available. Since SPL sets up DRAM while in its board_init_f()
- function, it is possible for the stack to move there before
- board_init_r() is reached. This option enables a special SDRAM
- location for the SPL stack. U-Boot SPL switches to this after
- board_init_f() completes, and before board_init_r() starts.
-
-config SPL_STACK_R_ADDR
- depends on SPL_STACK_R
- hex "SDRAM location for SPL stack"
- help
- Specify the address in SDRAM for the SPL stack. This will be set up
- before board_init_r() is called.
+ Say Y here to support 64bit physical memory address.
+ This can be used not only for 64bit SoCs, but also for
+ large physical address extention on 32bit SoCs.
-config SPL_STACK_R_MALLOC_SIMPLE_LEN
- depends on SPL_STACK_R && SPL_SYS_MALLOC_SIMPLE
- hex "Size of malloc_simple heap after switching to DRAM SPL stack"
- default 0x100000
- help
- Specify the amount of the stack to use as memory pool for
- malloc_simple after switching the stack to DRAM. This may be set
- to give board_init_r() a larger heap then the initial heap in
- SRAM which is limited to SYS_MALLOC_F_LEN bytes.
+endmenu # General setup
-config SPL_SEPARATE_BSS
- depends on SPL
- bool "BSS section is in a different memory region from text"
- help
- Some platforms need a large BSS region in SPL and can provide this
- because RAM is already set up. In this case BSS can be moved to RAM.
- This option should then be enabled so that the correct device tree
- location is used. Normally we put the device tree at the end of BSS
- but with this option enabled, it goes at _image_binary_end.
-
-config TPL
- bool
- depends on SPL && SUPPORT_TPL
- prompt "Enable TPL"
- help
- If you want to build TPL as well as the normal image and SPL, say Y.
+menu "Boot images"
config FIT
bool "Support Flattened Image Tree"
+ select MD5
+ select SHA1
help
- This option allows to boot the new uImage structrure,
+ This option allows you to boot the new uImage structure,
Flattened Image Tree. FIT is formally a FDT, which can include
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.
+ verified boot (secure boot using RSA).
-config SPL_FIT
- bool "Support Flattened Image Tree within SPL"
- depends on FIT
- depends on SPL
+if FIT
-config FIT_VERBOSE
- bool "Display verbose messages on FIT boot"
- depends on FIT
+config FIT_ENABLE_SHA256_SUPPORT
+ bool "Support SHA256 checksum of FIT image contents"
+ select SHA256
+ default y
+ help
+ Enable this to support SHA256 checksum of FIT image contents. A
+ SHA256 checksum is a 256-bit (32-byte) hash value used to check that
+ the image contents have not been corrupted. SHA256 is recommended
+ for use in secure applications since (as at 2016) there is no known
+ feasible attack that could produce a 'collision' with differing
+ input data. Use this for the highest security. Note that only the
+ SHA256 variant is supported: SHA512 and others are not currently
+ supported in U-Boot.
config FIT_SIGNATURE
bool "Enable signature verification of FIT uImages"
- depends on FIT
depends on DM
select RSA
help
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, then then RSA library will use
+ hashing is available using hardware, then the 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
format support in this case, enable it using
CONFIG_IMAGE_FORMAT_LEGACY.
-config SPL_FIT_SIGNATURE
- bool "Enable signature verification of FIT firmware within SPL"
- depends on SPL_FIT
- depends on SPL_DM
- select SPL_RSA
+config FIT_VERBOSE
+ bool "Show verbose messages when FIT images fail"
+ 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 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
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
+config FIT_IMAGE_POST_PROCESS
+ bool "Enable post-processing of FIT artifacts after loading by U-Boot"
+ depends on TI_SECURE_DEVICE
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.
+ Allows doing any sort of manipulation to blobs after they got extracted
+ from FIT images like stripping off headers or modifying the size of the
+ blob, verification, authentication, decryption etc. in a platform or
+ board specific way. In order to use this feature a platform or board-
+ specific implementation of board_fit_image_post_process() must be
+ provided. Also, anything done during this post-processing step would
+ need to be comprehended in how the images were prepared before being
+ injected into the FIT creation (i.e. the blobs would have been pre-
+ processed before being added to the FIT image).
+
+if SPL
+
+config SPL_FIT
+ bool "Support Flattened Image Tree within SPL"
+ depends on SPL
+ select SPL_OF_LIBFDT
+
+config SPL_FIT_SIGNATURE
+ bool "Enable signature verification of FIT firmware within SPL"
+ depends on SPL_DM
+ select SPL_FIT
+ select SPL_RSA
+
+config SPL_LOAD_FIT
+ bool "Enable SPL loading U-Boot as a FIT"
+ select SPL_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 SPL_FIT_IMAGE_POST_PROCESS
+ bool "Enable post-processing of FIT artifacts after loading by the SPL"
+ depends on SPL_LOAD_FIT && TI_SECURE_DEVICE
+ help
+ Allows doing any sort of manipulation to blobs after they got extracted
+ from the U-Boot FIT image like stripping off headers or modifying the
+ size of the blob, verification, authentication, decryption etc. in a
+ platform or board specific way. In order to use this feature a platform
+ or board-specific implementation of board_fit_image_post_process() must
+ be provided. Also, anything done during this post-processing step would
+ need to be comprehended in how the images were prepared before being
+ injected into the FIT creation (i.e. the blobs would have been pre-
+ processed before being added to the FIT image).
+
+config SPL_FIT_SOURCE
+ string ".its source file for U-Boot FIT image"
+ depends on SPL_FIT
+ help
+ Specifies a (platform specific) FIT source file to generate the
+ U-Boot FIT image. This could specify further image to load and/or
+ execute.
+
+config SPL_FIT_GENERATOR
+ string ".its file generator script for U-Boot FIT image"
+ depends on SPL_FIT
+ default "board/sunxi/mksunxi_fit_atf.sh" if SPL_LOAD_FIT && ARCH_SUNXI
+ help
+ Specifies a (platform specific) script file to generate the FIT
+ source file used to build the U-Boot FIT image file. This gets
+ passed a list of supported device tree file stub names to
+ include in the generated image.
+
+endif # SPL
+
+endif # FIT
config OF_BOARD_SETUP
bool "Set up board-specific details in device tree before boot"
new boards should not use this option.
config SYS_TEXT_BASE
- depends on SPARC || ARC || X86 || ARCH_UNIPHIER || ARCH_ZYNQMP || \
- (M68K && !TARGET_ASTRO_MCF5373L) || MICROBLAZE || MIPS
+ depends on ARC || X86 || ARCH_UNIPHIER || ARCH_ZYNQMP || \
+ (M68K && !TARGET_ASTRO_MCF5373L) || MICROBLAZE || MIPS || \
+ ARCH_ZYNQ || ARCH_KEYSTONE
depends on !EFI_APP
hex "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
help
TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture
+config ARCH_FIXUP_FDT_MEMORY
+ bool "Enable arch_fixup_memory_banks() call"
+ default y
+ help
+ Enable FDT memory map syncup before OS boot. This feature can be
+ used for booting OS with different memory setup where the part of
+ the memory location should be used for different purpose.
+
endmenu # Boot images
+source "api/Kconfig"
+
source "common/Kconfig"
source "cmd/Kconfig"
+source "disk/Kconfig"
+
source "dts/Kconfig"
source "net/Kconfig"
source "lib/Kconfig"
source "test/Kconfig"
+
+source "scripts/Kconfig"
projects / people / ms / u-boot.git / blobdiff