config NAND_BOOT
bool "Support for booting from NAND flash"
default n
+ imply NAND
help
Enabling this will make a U-Boot binary that is capable of being
booted via NAND flash. This is not a must, some SoCs need this,
config ONENAND_BOOT
bool "Support for booting from ONENAND"
default n
+ imply NAND
help
Enabling this will make a U-Boot binary that is capable of being
booted via ONENAND. This is not a must, some SoCs need this,
set to -1 to disable autoboot.
set to -2 to autoboot with no delay and not check for abort
+ If this value is >= 0 then it is also used for the default delay
+ before starting the default entry in bootmenu. If it is < 0 then
+ a default value of 10s is used.
+
See doc/README.autoboot for details.
config USE_BOOTARGS
CONFIG_BOOTARGS goes into the environment value "bootargs". Note that
this value will also override the "chosen" node in FDT blob.
+config USE_BOOTCOMMAND
+ bool "Enable a default value for bootcmd"
+ help
+ Provide a default value for the bootcmd entry in the environment. If
+ autoboot is enabled this is what will be run automatically. Enable
+ this option to be able to specify CONFIG_BOOTCOMMAND as a string. If
+ this option is disabled, CONFIG_BOOTCOMMAND will be undefined and
+ won't take any space in U-Boot image.
+
+config BOOTCOMMAND
+ string "bootcmd value"
+ depends on USE_BOOTCOMMAND
+ default "run distro_bootcmd" if DISTRO_DEFAULTS
+ help
+ This is the string of commands that will be used as bootcmd and if
+ AUTOBOOT is set, automatically run.
+
menu "Console"
config MENU
help
This options adds the board specific name to u-boot version.
+config LOGLEVEL
+ int "loglevel"
+ default 4
+ range 0 8
+ help
+ All Messages with a loglevel smaller than the console loglevel will
+ be compiled in. The loglevels are defined as follows:
+
+ 0 (KERN_EMERG) system is unusable
+ 1 (KERN_ALERT) action must be taken immediately
+ 2 (KERN_CRIT) critical conditions
+ 3 (KERN_ERR) error conditions
+ 4 (KERN_WARNING) warning conditions
+ 5 (KERN_NOTICE) normal but significant condition
+ 6 (KERN_INFO) informational
+ 7 (KERN_DEBUG) debug-level messages
+
+config SPL_LOGLEVEL
+ int
+ default LOGLEVEL
+
config SILENT_CONSOLE
bool "Support a silent console"
help
endmenu
-config DTB_RESELECT
- bool "Support swapping dtbs at a later point in boot"
- depends on FIT_EMBED
+menu "Logging"
+
+config LOG
+ bool "Enable logging support"
+ depends on DM
help
- It is possible during initial boot you may need to use a generic
- dtb until you can fully determine the board your running on. This
- config allows boards to implement a function at a later point
- during boot to switch to the "correct" dtb.
+ This enables support for logging of status and debug messages. These
+ can be displayed on the console, recorded in a memory buffer, or
+ discarded if not needed. Logging supports various categories and
+ levels of severity.
-config FIT_EMBED
- bool "Support a FIT image embedded in the U-boot image"
+config SPL_LOG
+ bool "Enable logging support in SPL"
help
- This option provides hooks to allow U-boot to parse an
- appended FIT image and enable board specific code to then select
- the correct DTB to be used.
+ This enables support for logging of status and debug messages. These
+ can be displayed on the console, recorded in a memory buffer, or
+ discarded if not needed. Logging supports various categories and
+ levels of severity.
+
+config LOG_MAX_LEVEL
+ int "Maximum log level to record"
+ depends on LOG
+ default 5
+ help
+ This selects the maximum log level that will be recorded. Any value
+ higher than this will be ignored. If possible log statements below
+ this level will be discarded at build time. Levels:
+
+ 0 - panic
+ 1 - critical
+ 2 - error
+ 3 - warning
+ 4 - note
+ 5 - info
+ 6 - detail
+ 7 - debug
+
+config SPL_LOG_MAX_LEVEL
+ int "Maximum log level to record in SPL"
+ depends on SPL_LOG
+ default 3
+ help
+ This selects the maximum log level that will be recorded. Any value
+ higher than this will be ignored. If possible log statements below
+ this level will be discarded at build time. Levels:
+
+ 0 - panic
+ 1 - critical
+ 2 - error
+ 3 - warning
+ 4 - note
+ 5 - info
+ 6 - detail
+ 7 - debug
+
+config LOG_CONSOLE
+ bool "Allow log output to the console"
+ depends on LOG
+ default y
+ help
+ Enables a log driver which writes log records to the console.
+ Generally the console is the serial port or LCD display. Only the
+ log message is shown - other details like level, category, file and
+ line number are omitted.
+
+config LOG_SPL_CONSOLE
+ bool "Allow log output to the console in SPL"
+ depends on LOG_SPL
+ default y
+ help
+ Enables a log driver which writes log records to the console.
+ Generally the console is the serial port or LCD display. Only the
+ log message is shown - other details like level, category, file and
+ line number are omitted.
+
+config LOG_TEST
+ bool "Provide a test for logging"
+ depends on LOG
+ default y if SANDBOX
+ help
+ This enables a 'log test' command to test logging. It is normally
+ executed from a pytest and simply outputs logging information
+ in various different ways to test that the logging system works
+ correctly with varoius settings.
+
+config LOG_ERROR_RETURN
+ bool "Log all functions which return an error"
+ depends on LOG
+ help
+ When an error is returned in U-Boot it is sometimes difficult to
+ figure out the root cause. For eaxmple, reading from SPI flash may
+ fail due to a problem in the SPI controller or due to the flash part
+ not returning the expected information. This option changes
+ log_ret() to log any errors it sees. With this option disabled,
+ log_ret() is a nop.
+
+ You can add log_ret() to all functions which return an error code.
+
+endmenu
+
+config SUPPORT_RAW_INITRD
+ bool "Enable raw initrd images"
+ help
+ Note, defining the SUPPORT_RAW_INITRD allows user to supply
+ kernel with raw initrd images. The syntax is slightly different, the
+ address of the initrd must be augmented by it's size, in the following
+ format: "<initrd address>:<initrd size>".
config DEFAULT_FDT_FILE
string "Default fdt file"
help
This option is used to set the default fdt file to boot OS.
+config MISC_INIT_R
+ bool "Execute Misc Init"
+ default y if ARCH_KEYSTONE || ARCH_SUNXI || MPC85xx
+ default y if ARCH_OMAP2PLUS && !AM33XX
+ help
+ Enabling this option calls 'misc_init_r' function
+
config VERSION_VARIABLE
bool "add U-Boot environment variable vers"
default n
config DISPLAY_CPUINFO
bool "Display information about the CPU during start up"
- default y if ARM || NIOS2 || X86 || XTENSA
+ default y if ARM || NIOS2 || X86 || XTENSA || M68K
help
Display information about the CPU that U-Boot is running on
when U-Boot starts up. The function print_cpuinfo() is called
to do this.
config DISPLAY_BOARDINFO
- bool "Display information about the board during start up"
+ bool "Display information about the board during early start up"
default y if ARM || M68K || MIPS || PPC || SANDBOX || XTENSA
help
Display information about the board that U-Boot is running on
when U-Boot starts up. The board function checkboard() is called
to do this.
+config DISPLAY_BOARDINFO_LATE
+ bool "Display information about the board during late start up"
+ help
+ Display information about the board that U-Boot is running on after
+ the relocation phase. The board function checkboard() is called to do
+ this.
+
menu "Start-up hooks"
config ARCH_EARLY_INIT_R
Note that the normal serial console is not yet set up, but the
debug UART will be available if enabled.
+config BOARD_EARLY_INIT_R
+ bool "Call board-specific init after relocation"
+ help
+ Some boards need to perform initialisation as directly after
+ relocation. With this option, U-Boot calls board_early_init_r()
+ in the post-relocation init sequence.
+
+config LAST_STAGE_INIT
+ bool "Call board-specific as last setup step"
+ help
+ Some boards need to perform initialisation immediately before control
+ is passed to the command-line interpreter (e.g. for initializations
+ that depend on later phases in the init sequence). With this option,
+ U-Boot calls last_stage_init() before the command-line interpreter is
+ started.
+
endmenu
menu "Security support"
and the algorithms it supports are defined in common/hash.c. See
also CMD_HASH for command-line access.
+config AVB_VERIFY
+ bool "Build Android Verified Boot operations"
+ depends on LIBAVB && FASTBOOT
+ depends on PARTITION_UUIDS
+ help
+ This option enables compilation of bootloader-dependent operations,
+ used by Android Verified Boot 2.0 library (libavb). Includes:
+ * Helpers to process strings in order to build OS bootargs.
+ * Helpers to access MMC, similar to drivers/fastboot/fb_mmc.c.
+ * Helpers to alloc/init/free avb ops.
+
+endmenu
+
+menu "Update support"
+
+config UPDATE_TFTP
+ bool "Auto-update using fitImage via TFTP"
+ depends on FIT
+ help
+ This option allows performing update of NOR with data in fitImage
+ sent via TFTP boot.
+
+config UPDATE_TFTP_CNT_MAX
+ int "The number of connection retries during auto-update"
+ default 0
+ depends on UPDATE_TFTP
+
+config UPDATE_TFTP_MSEC_MAX
+ int "Delay in mSec to wait for the TFTP server during auto-update"
+ default 100
+ depends on UPDATE_TFTP
+
endmenu
source "common/spl/Kconfig"