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
- imply USE_BOOTCOMMAND
- select CMD_BOOTZ if ARM && !ARM64
+ select AUTO_COMPLETE
+ select CMDLINE_EDITING
select CMD_BOOTI if ARM64
- select CMD_DHCP if NET
- select CMD_PXE if NET
+ 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 if NET
- select CMD_PING if NET
- 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 NR_DRAM_BANKS
+ int "Number of DRAM banks"
+ default 4
+ help
+ This defines the number of DRAM banks.
+
config SYS_BOOT_GET_CMDLINE
bool "Enable kernel command line setup"
help
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,
particular needs this to operate, so that it can allocate the
initial serial device and any others that are needed.
+config SYS_MALLOC_LEN
+ hex "Define memory for Dynamic allocation"
+ depends on ARCH_ZYNQ || ARCH_VERSAL
+ help
+ This defines memory to be allocated for Dynamic allocation
+ TODO: Use for other architectures
+
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)"
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
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 || ARCH_K3
+ 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