menu "Boot images"
config ANDROID_BOOT_IMAGE
- bool "Enable support for Android Boot Images"
+ bool "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"
+config TIMESTAMP
+ bool "Show image date and time when displaying image information"
+ default y if CMD_DATE
+ help
+ When CONFIG_TIMESTAMP is selected, the timestamp (date and time) of
+ an image is printed by image commands like bootm or iminfo. This
+ is shown as 'Timestamp: xxx' and 'Created: xxx'. If this option is
+ enabled, then U-Boot requires FITs to have a timestamp. If a FIT is
+ loaded that does not, the message 'Wrong FIT format: no timestamp'
+ is shown.
+
+menuconfig FIT
+ bool "Flattened Image Tree (FIT)"
select HASH
select MD5
select SHA1
multiple configurations, verification through hashing and also
verified boot (secure boot using RSA).
-config TIMESTAMP
- bool "Show image date and time when displaying image information"
- default y if CMD_DATE
- help
- When CONFIG_TIMESTAMP is selected, the timestamp (date and time) of
- an image is printed by image commands like bootm or iminfo. This
- is shown as 'Timestamp: xxx' and 'Created: xxx'. If this option is
- enabled, then U-Boot requires FITs to have a timestamp. If a FIT is
- loaded that does not, the message 'Wrong FIT format: no timestamp'
- is shown.
+if FIT
config FIT_EXTERNAL_OFFSET
hex "FIT external data offset"
- depends on FIT
default 0x0
help
This specifies a data offset in fit image.
config FIT_FULL_CHECK
bool "Do a full check of the FIT before using it"
- depends on FIT
default y
help
Enable this do a full check of the FIT to make sure it is valid. This
config FIT_SIGNATURE
bool "Enable signature verification of FIT uImages"
- depends on DM && FIT
+ depends on DM
select HASH
imply RSA
imply RSA_VERIFY
config FIT_CIPHER
bool "Enable ciphering data in a FIT uImages"
- depends on DM && FIT
+ depends on DM
select AES
help
Enable the feature of data ciphering/unciphering in the tool mkimage
config FIT_VERBOSE
bool "Show verbose messages when FIT images fail"
- depends on FIT
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
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
config FIT_IMAGE_POST_PROCESS
bool "Enable post-processing of FIT artifacts after loading by U-Boot"
- depends on FIT
depends on SOCFPGA_SECURE_VAB_AUTH
help
Allows doing any sort of manipulation to blobs after they got extracted
config FIT_PRINT
bool "Support FIT printing"
- depends on FIT
default y
help
Support printing the content of the fitImage in a verbose manner.
config SPL_FIT
bool "Support Flattened Image Tree within SPL"
- depends on SPL && FIT
+ depends on SPL
select SPL_HASH
select SPL_OF_LIBFDT
config SPL_LOAD_FIT
bool "Enable SPL loading U-Boot as a FIT (basic fitImage features)"
- depends on SPL && FIT
+ depends on SPL
select SPL_FIT
help
Normally with the SPL framework a legacy image is generated as part
config SPL_LOAD_FIT_ADDRESS
hex "load address of fit image"
- depends on SPL_LOAD_FIT || SPL_RAM_SUPPORT || TPL_RAM_SUPPORT
+ depends on SPL_LOAD_FIT
default 0x0
help
Specify the load address of the fit image that will be loaded
config SPL_LOAD_FIT_FULL
bool "Enable SPL loading U-Boot as a FIT (full fitImage features)"
- depends on FIT
select SPL_FIT
help
Normally with the SPL framework a legacy image is generated as part
endif # VPL
+endif # FIT
+
config PXE_UTILS
bool
select MENU
of U-Boot to boot various images. Currently much functionality is
tied to enabling the command that exercises it.
-config BOOTSTD
- bool "Standard boot support"
+menuconfig BOOTSTD
+ bool "Standard boot"
default y
depends on DM && OF_CONTROL && BLK
help
U-Boot)
- bootflow - a description of how to boot (owned by the distro)
+if BOOTSTD
+
config SPL_BOOTSTD
bool "Standard boot support in SPL"
depends on SPL && SPL_DM && SPL_OF_CONTROL && SPL_BLK
boot. It is enabled by default since the main purpose of VPL is to
handle the firmware part of VBE.
-if BOOTSTD
-
config BOOTSTD_FULL
bool "Enhanced features for standard boot"
default y if SANDBOX
config BOOTMETH_CROS
bool "Bootdev support for Chromium OS"
- depends on X86 || SANDBOX
- default y
+ depends on X86 || ARM || SANDBOX
+ default y if !ARM
+ select EFI_PARTITION
+ select PARTITION_TYPE_GUID
+ select PARTITION_UUIDS
help
Enables support for booting Chromium OS using bootdevs. This uses the
kernel A slot and obtains the kernel command line from the parameters
This provides a way to try out standard boot on an existing boot flow.
It is not enabled by default to save space.
-endif
+endif # BOOTSTD
config LEGACY_IMAGE_FORMAT
bool "Enable support for the legacy image format"
loaded. If a board needs the legacy image format support in this
case, enable it here.
+config MEASURED_BOOT
+ bool "Measure boot images and configuration when booting without EFI"
+ depends on HASH && TPM_V2
+ help
+ This option enables measurement of the boot process when booting
+ without UEFI . Measurement involves creating cryptographic hashes
+ of the binary images that are booting and storing them in the TPM.
+ In addition, a log of these hashes is stored in memory for the OS
+ to verify the booted images and configuration. Enable this if the
+ OS has configured some memory area for the event log and you intend
+ to use some attestation tools on your system.
+
+if MEASURED_BOOT
+ config MEASURE_DEVICETREE
+ bool "Measure the devicetree image"
+ default y if MEASURED_BOOT
+ help
+ On some platforms, the devicetree is not static as it may contain
+ random MAC addresses or other such data that changes each boot.
+ Therefore, it should not be measured into the TPM. In that case,
+ disable the measurement here.
+
+ config MEASURE_IGNORE_LOG
+ bool "Ignore the existing event log"
+ default n
+ help
+ On platforms that use an event log memory region that persists
+ through system resets and are the first stage bootloader, then
+ this option should be enabled to ignore any existing data in the
+ event log memory region.
+endif # MEASURED_BOOT
+
config SUPPORT_RAW_INITRD
bool "Enable raw initrd images"
help
address of the initrd must be augmented by it's size, in the following
format: "<initrd address>:<initrd size>".
-config OF_BOARD_SETUP
- bool "Set up board-specific details in device tree before boot"
- depends on OF_LIBFDT
- help
- This causes U-Boot to call ft_board_setup() before booting into
- the Operating System. This function can set up various
- board-specific information in the device tree for use by the OS.
- The device tree is then passed to the OS.
-
-config OF_SYSTEM_SETUP
- bool "Set up system-specific details in device tree before boot"
- depends on OF_LIBFDT
- help
- This causes U-Boot to call ft_system_setup() before booting into
- the Operating System. This function can set up various
- system-specific information in the device tree for use by the OS.
- The device tree is then passed to the OS.
-
-config OF_STDOUT_VIA_ALIAS
- bool "Update the device-tree stdout alias from U-Boot"
- depends on OF_LIBFDT
- help
- This uses U-Boot's serial alias from the aliases node to update
- the device tree passed to the OS. The "linux,stdout-path" property
- in the chosen node is set to point to the correct serial node.
- This option currently references CONFIG_CONS_INDEX, which is
- incorrect when used with device tree as this option does not
- exist / should not be used.
-
-config HAVE_TEXT_BASE
- bool
- depends on !NIOS2 && !XTENSA
- depends on !EFI_APP
- default y
-
-config TEXT_BASE
- depends on HAVE_TEXT_BASE
- default 0x0 if POSITION_INDEPENDENT
- default 0x80800000 if ARCH_OMAP2PLUS || ARCH_K3
- default 0x81700000 if MACH_SUNIV
- default 0x2a000000 if MACH_SUN9I
- default 0x4a000000 if SUNXI_MINIMUM_DRAM_MB >= 256
- default 0x42e00000 if SUNXI_MINIMUM_DRAM_MB >= 64
- hex "Text Base"
- help
- The address in memory that U-Boot will be running from, initially.
-
-config HAVE_SYS_MONITOR_BASE
- bool
- depends on ARC || MIPS || M68K || NIOS2 || PPC || XTENSA || X86 \
- || ENV_IS_IN_FLASH || MTD_NOR_FLASH
- depends on !EFI_APP
- default y
-
-config SYS_MONITOR_BASE
- depends on HAVE_SYS_MONITOR_BASE
- hex "Physical start address of boot monitor code"
- default TEXT_BASE
- help
- The physical start address of boot monitor code (which is the same as
- CONFIG_TEXT_BASE when linking) and the same as CFG_SYS_FLASH_BASE
- when booting from flash.
-
-config SPL_SYS_MONITOR_BASE
- depends on MPC85xx && SPL && HAVE_SYS_MONITOR_BASE
- hex "Physical start address of SPL monitor code"
- default SPL_TEXT_BASE
-
-config TPL_SYS_MONITOR_BASE
- depends on MPC85xx && TPL && HAVE_SYS_MONITOR_BASE
- hex "Physical start address of TPL monitor code"
-
-config DYNAMIC_SYS_CLK_FREQ
- bool "Determine CPU clock frequency at run-time"
- help
- Implement a get_board_sys_clk function that will determine the CPU
- clock frequency at run time, rather than define it statically.
-
-config SYS_CLK_FREQ
- depends on !DYNAMIC_SYS_CLK_FREQ
- int "CPU clock frequency"
- default 125000000 if ARCH_LS1012A
- default 100000000 if ARCH_P2020 || ARCH_T1024 || ARCH_T1042 || \
- ARCH_LS1021A || FSL_LSCH2 || FSL_LSCH3
- default 66666666 if ARCH_P1010 || ARCH_P1020 || ARCH_T4240
- default 66660000 if ARCH_T2080
- default 33333333 if RCAR_GEN3
- default 24000000 if ARCH_EXYNOS
- default 20000000 if RCAR_GEN2
- default 0
- help
- A static value for the CPU frequency. Note that if not required
- for a given SoC, this can be left at 0.
-
-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.
-
config CHROMEOS
bool "Support booting Chrome OS"
help
endmenu # Boot images
config DISTRO_DEFAULTS
- bool "Select defaults suitable for booting general purpose Linux distributions"
+ bool "(deprecated) Script-based booting of Linux distributions"
select BOOT_DEFAULTS
select AUTO_COMPLETE
select CMDLINE_EDITING
select HUSH_PARSER
select SYS_LONGHELP
help
+ Note: These scripts have been replaced by Standard Boot. Do not use
+ them on new boards. See 'Migrating from distro_boot' at
+ doc/develop/bootstd.rst
+
Select this to enable various options and commands which are suitable
for building u-boot for booting general purpose Linux distributions.
config BOOTSTAGE_STASH_ADDR
hex "Address to stash boot timing information"
- default 0
+ default 0x0
help
Provide an address which will not be overwritten by the OS when it
starts, so that it can read this information when ready.
endmenu
+if OF_LIBFDT
+
+menu "Devicetree fixup"
+
+config OF_BOARD_SETUP
+ bool "Set up board-specific details in device tree before boot"
+ help
+ This causes U-Boot to call ft_board_setup() before booting into
+ the Operating System. This function can set up various
+ board-specific information in the device tree for use by the OS.
+ The device tree is then passed to the OS.
+
+config OF_SYSTEM_SETUP
+ bool "Set up system-specific details in device tree before boot"
+ help
+ This causes U-Boot to call ft_system_setup() before booting into
+ the Operating System. This function can set up various
+ system-specific information in the device tree for use by the OS.
+ The device tree is then passed to the OS.
+
+config OF_STDOUT_VIA_ALIAS
+ bool "Update the device-tree stdout alias from U-Boot"
+ help
+ This uses U-Boot's serial alias from the aliases node to update
+ the device tree passed to the OS. The "linux,stdout-path" property
+ in the chosen node is set to point to the correct serial node.
+ This option currently references CONFIG_CONS_INDEX, which is
+ incorrect when used with device tree as this option does not
+ exist / should not be used.
+
+config FDT_FIXUP_PARTITIONS
+ bool "Overwrite MTD partitions in DTS through defined in 'mtdparts'"
+ help
+ Allow overwriting defined partitions in the device tree blob
+ using partition info defined in the 'mtdparts' environment
+ variable.
+
+config FDT_SIMPLEFB
+ bool "FDT tools for simplefb support"
+ help
+ Enable the fdt tools to manage the simple fb nodes in device tree.
+ These functions can be used by board to indicate to the OS
+ the presence of the simple frame buffer with associated reserved
+ memory
+
+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
+
+endif # OF_LIBFDT
+
config USE_BOOTARGS
bool "Enable boot arguments"
help
projects / u-boot.git / blobdiff