menu "General setup"
+config BROKEN
+ bool
+ help
+ This option cannot be enabled. It is used as dependency
+ for broken and incomplete features.
+
config LOCALVERSION
string "Local version - append to U-Boot release"
help
This option is enabled by default for U-Boot.
+config CC_COVERAGE
+ bool "Enable code coverage analysis"
+ depends on SANDBOX
+ help
+ Enabling this option will pass "--coverage" to gcc to compile
+ and link code instrumented for coverage analysis.
+
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 AUTO_COMPLETE
+ select CMDLINE_EDITING
select CMD_BOOTI if ARM64
- select CMD_DHCP
- select CMD_PXE
+ select CMD_BOOTZ if ARM && !ARM64
+ select CMD_DHCP if CMD_NET
+ select CMD_ENV_EXISTS
select CMD_EXT2
select CMD_EXT4
select CMD_FAT
select CMD_FS_GENERIC
- select CMD_MII
- select CMD_PING
- select CMD_PART
+ select CMD_PART if PARTITIONS
+ select CMD_PING if CMD_NET
+ select CMD_PXE if NET
+ select ENV_VARS_UBOOT_CONFIG
select HUSH_PARSER
+ select SUPPORT_RAW_INITRD
+ select SYS_LONGHELP
+ imply CMD_MII if NET
+ imply USE_BOOTCOMMAND
help
Select this to enable various options and commands which are suitable
for building u-boot for booting general purpose Linux distributions.
+config ENV_VARS_UBOOT_CONFIG
+ bool "Add arch, board, vendor and soc variables to default environment"
+ help
+ Define this in order to add variables describing the
+ U-Boot build configuration to the default environment.
+ These will be named arch, cpu, board, vendor, and soc.
+ Enabling this option will cause the following to be defined:
+ - CONFIG_SYS_ARCH
+ - CONFIG_SYS_CPU
+ - CONFIG_SYS_BOARD
+ - CONFIG_SYS_VENDOR
+ - CONFIG_SYS_SOC
+
+config SYS_BOOT_GET_CMDLINE
+ bool "Enable kernel command line setup"
+ help
+ Enables allocating and saving kernel cmdline in space between
+ "bootm_low" and "bootm_low" + BOOTMAPSZ.
+
+config SYS_BOOT_GET_KBD
+ bool "Enable kernel board information setup"
+ help
+ Enables allocating and saving a kernel copy of the bd_info in
+ space between "bootm_low" and "bootm_low" + BOOTMAPSZ.
+
config SYS_MALLOC_F
bool "Enable malloc() pool before relocation"
default y if DM
config SYS_MALLOC_F_LEN
hex "Size of malloc() pool before relocation"
depends on SYS_MALLOC_F
+ default 0x1000 if AM33XX
default 0x400
help
Before relocation, memory is very limited on many platforms. Still,
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.
+ 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.
config TPL_SYS_MALLOC_F_LEN
- hex "Size of malloc() pool in TPL 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.
+ hex "Size of malloc() pool in TPL 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)"
This can be used not only for 64bit SoCs, but also for
large physical address extention on 32bit SoCs.
+config BUILD_ROM
+ bool "Build U-Boot as BIOS replacement"
+ depends on X86
+ help
+ This option allows to build a ROM version of U-Boot.
+ The build process generally requires several binary blobs
+ which are not shipped in the U-Boot source tree.
+ Please, see doc/README.x86 for details.
+
endmenu # General setup
menu "Boot images"
+config ANDROID_BOOT_IMAGE
+ bool "Enable support for Android Boot Images"
+ default y if FASTBOOT
+ help
+ This enables support for booting images which use the Android
+ image format header.
+
config FIT
bool "Support Flattened Image Tree"
select MD5
config FIT_ENABLE_SHA256_SUPPORT
bool "Support SHA256 checksum of FIT image contents"
- select SHA256
default y
+ select SHA256
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
config FIT_SIGNATURE
bool "Enable signature verification of FIT uImages"
depends on DM
+ select HASH
select RSA
help
This option enables signature verification of FIT uImages,
format support in this case, enable it using
CONFIG_IMAGE_FORMAT_LEGACY.
+config FIT_SIGNATURE_MAX_SIZE
+ hex "Max size of signed FIT structures"
+ depends on FIT_SIGNATURE
+ default 0x10000000
+ help
+ This option sets a max size in bytes for verified FIT uImages.
+ A sane value of 256MB protects corrupted DTB structures from overlapping
+ device memory. Assure this size does not extend past expected storage
+ space.
+
config FIT_VERBOSE
bool "Show verbose messages when FIT images fail"
help
depends on SPL
select SPL_OF_LIBFDT
+config SPL_FIT_PRINT
+ bool "Support FIT printing within SPL"
+ depends on SPL_FIT
+ help
+ Support printing the content of the fitImage in a verbose manner in SPL.
+
config SPL_FIT_SIGNATURE
bool "Enable signature verification of FIT firmware within SPL"
depends on SPL_DM
particular it can handle selecting from multiple device tree
and passing the correct one to U-Boot.
+config SPL_LOAD_FIT_FULL
+ 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
+ depends on SPL_LOAD_FIT
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
endif # FIT
+config IMAGE_FORMAT_LEGACY
+ bool "Enable support for the legacy image format"
+ default y if !FIT_SIGNATURE
+ help
+ This option enables the legacy image format. It is enabled by
+ default for backward compatibility, unless FIT_SIGNATURE is
+ set where it is disabled so that unsigned images cannot be
+ loaded. If a board needs the legacy image format support in this
+ case, enable it here.
+
config OF_BOARD_SETUP
bool "Set up board-specific details in device tree before boot"
depends on OF_LIBFDT
new boards should not use this option.
config SYS_TEXT_BASE
- depends on ARC || X86 || ARCH_UNIPHIER || ARCH_ZYNQMP || \
- (M68K && !TARGET_ASTRO_MCF5373L) || MICROBLAZE || MIPS || \
- ARCH_ZYNQ || ARCH_KEYSTONE || ARCH_OMAP2PLUS
+ depends on !NIOS2 && !XTENSA
depends on !EFI_APP
+ default 0x80800000 if ARCH_OMAP2PLUS
+ default 0x4a000000 if ARCH_SUNXI && !MACH_SUN9I && !MACH_SUN8I_V3S
+ default 0x2a000000 if ARCH_SUNXI && MACH_SUN9I
+ default 0x42e00000 if ARCH_SUNXI && MACH_SUN8I_V3S
hex "Text Base"
help
- TODO: Move CONFIG_SYS_TEXT_BASE for all the architecture
+ The address in memory that U-Boot will be running from, initially.
- default 0x80800000 if ARCH_OMAP2PLUS
config SYS_CLK_FREQ
source "dts/Kconfig"
+source "env/Kconfig"
+
source "net/Kconfig"
source "drivers/Kconfig"
source "lib/Kconfig"
source "test/Kconfig"
-
-source "scripts/Kconfig"