mirror of
https://github.com/AsahiLinux/u-boot
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166363f2ed
This Trusted Application allows enabling SCP03 as well as provisioning the keys on TEE controlled secure element (ie, NXP SE050). All the information flowing on buses (ie I2C) between the processor and the secure element must be encrypted. Secure elements are pre-provisioned with a set of keys known to the user so that the secure channel protocol (encryption) can be enforced on the first boot. This situation is however unsafe since the keys are publically available. For example, in the case of the NXP SE050, these keys would be available in the OP-TEE source tree [2] and of course in the documentation corresponding to the part. To address that, users are required to rotate/provision those keys (ie, generate new keys and write them in the secure element's persistent memory). For information on SCP03, check the Global Platform HomePage and google for that term [1] [1] globalplatform.org [2] https://github.com/OP-TEE/optee_os/ check: core/drivers/crypto/se050/adaptors/utils/scp_config.c Signed-off-by: Jorge Ramirez-Ortiz <jorge@foundries.io> Reviewed-by: Simon Glass <sjg@chromium.org>
739 lines
23 KiB
Text
739 lines
23 KiB
Text
source "common/Kconfig.boot"
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menu "Console"
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config MENU
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bool
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help
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This is the library functionality to provide a text-based menu of
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choices for the user to make choices with.
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config CONSOLE_RECORD
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bool "Console recording"
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help
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This provides a way to record console output (and provide console
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input) through circular buffers. This is mostly useful for testing.
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Console output is recorded even when the console is silent.
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To enable console recording, call console_record_reset_enable()
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from your code.
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config CONSOLE_RECORD_INIT_F
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bool "Enable console recording during pre-relocation init"
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depends on CONSOLE_RECORD && SYS_MALLOC_F
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default y
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help
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This option enables console recording during pre-relocation init.
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CONFIG_SYS_MALLOC_F must be enabled to use this feature.
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config CONSOLE_RECORD_OUT_SIZE
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hex "Output buffer size"
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depends on CONSOLE_RECORD
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default 0x400 if CONSOLE_RECORD
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help
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Set the size of the console output buffer. When this fills up, no
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more data will be recorded until some is removed. The buffer is
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allocated immediately after the malloc() region is ready.
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config CONSOLE_RECORD_IN_SIZE
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hex "Input buffer size"
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depends on CONSOLE_RECORD
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default 0x100 if CONSOLE_RECORD
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help
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Set the size of the console input buffer. When this contains data,
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tstc() and getc() will use this in preference to real device input.
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The buffer is allocated immediately after the malloc() region is
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ready.
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config DISABLE_CONSOLE
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bool "Add functionality to disable console completely"
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help
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Disable console (in & out).
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config IDENT_STRING
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string "Board specific string to be added to uboot version string"
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help
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This options adds the board specific name to u-boot version.
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config LOGLEVEL
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int "loglevel"
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default 4
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range 0 10
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help
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All Messages with a loglevel smaller than the console loglevel will
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be compiled in. The loglevels are defined as follows:
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0 - emergency
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1 - alert
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2 - critical
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3 - error
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4 - warning
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5 - note
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6 - info
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7 - debug
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8 - debug content
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9 - debug hardware I/O
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config SPL_LOGLEVEL
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int
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default LOGLEVEL
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config TPL_LOGLEVEL
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int
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default LOGLEVEL
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config SILENT_CONSOLE
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bool "Support a silent console"
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help
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This option allows the console to be silenced, meaning that no
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output will appear on the console devices. This is controlled by
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setting the environment variable 'silent' to a non-empty value.
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Note this also silences the console when booting Linux.
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When the console is set up, the variable is checked, and the
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GD_FLG_SILENT flag is set. Changing the environment variable later
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will update the flag.
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config SILENT_U_BOOT_ONLY
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bool "Only silence the U-Boot console"
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depends on SILENT_CONSOLE
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help
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Normally when the U-Boot console is silenced, Linux's console is
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also silenced (assuming the board boots into Linux). This option
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allows the linux console to operate normally, even if U-Boot's
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is silenced.
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config SILENT_CONSOLE_UPDATE_ON_SET
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bool "Changes to the 'silent' environment variable update immediately"
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depends on SILENT_CONSOLE
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default y if SILENT_CONSOLE
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help
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When the 'silent' environment variable is changed, update the
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console silence flag immediately. This allows 'setenv' to be used
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to silence or un-silence the console.
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The effect is that any change to the variable will affect the
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GD_FLG_SILENT flag.
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config SILENT_CONSOLE_UPDATE_ON_RELOC
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bool "Allow flags to take effect on relocation"
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depends on SILENT_CONSOLE
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help
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In some cases the environment is not available until relocation
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(e.g. NAND). This option makes the value of the 'silent'
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environment variable take effect at relocation.
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config PRE_CONSOLE_BUFFER
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bool "Buffer characters before the console is available"
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help
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Prior to the console being initialised (i.e. serial UART
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initialised etc) all console output is silently discarded.
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Defining CONFIG_PRE_CONSOLE_BUFFER will cause U-Boot to
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buffer any console messages prior to the console being
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initialised to a buffer. The buffer is a circular buffer, so
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if it overflows, earlier output is discarded.
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Note that this is not currently supported in SPL. It would be
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useful to be able to share the pre-console buffer with SPL.
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config PRE_CON_BUF_SZ
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int "Sets the size of the pre-console buffer"
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depends on PRE_CONSOLE_BUFFER
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default 4096
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help
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The size of the pre-console buffer affects how much console output
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can be held before it overflows and starts discarding earlier
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output. Normally there is very little output at this early stage,
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unless debugging is enabled, so allow enough for ~10 lines of
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text.
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This is a useful feature if you are using a video console and
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want to see the full boot output on the console. Without this
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option only the post-relocation output will be displayed.
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config PRE_CON_BUF_ADDR
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hex "Address of the pre-console buffer"
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depends on PRE_CONSOLE_BUFFER
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default 0x2f000000 if ARCH_SUNXI && MACH_SUN9I
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default 0x4f000000 if ARCH_SUNXI && !MACH_SUN9I
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default 0x0f000000 if ROCKCHIP_RK3288
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default 0x0f200000 if ROCKCHIP_RK3399
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help
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This sets the start address of the pre-console buffer. This must
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be in available memory and is accessed before relocation and
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possibly before DRAM is set up. Therefore choose an address
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carefully.
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We should consider removing this option and allocating the memory
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in board_init_f_init_reserve() instead.
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config CONSOLE_MUX
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bool "Enable console multiplexing"
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default y if DM_VIDEO || VIDEO || LCD
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help
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This allows multiple devices to be used for each console 'file'.
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For example, stdout can be set to go to serial and video.
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Similarly, stdin can be set to come from serial and keyboard.
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Input can be provided from either source. Console multiplexing
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adds a small amount of size to U-Boot. Changes to the environment
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variables stdout, stdin and stderr will take effect immediately.
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config SYS_CONSOLE_IS_IN_ENV
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bool "Select console devices from the environment"
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default y if CONSOLE_MUX
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help
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This allows multiple input/output devices to be set at boot time.
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For example, if stdout is set to "serial,video" then output will
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be sent to both the serial and video devices on boot. The
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environment variables can be updated after boot to change the
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input/output devices.
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config SYS_CONSOLE_OVERWRITE_ROUTINE
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bool "Allow board control over console overwriting"
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help
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If this is enabled, and the board-specific function
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overwrite_console() returns 1, the stdin, stderr and stdout are
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switched to the serial port, else the settings in the environment
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are used. If this is not enabled, the console will not be switched
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to serial.
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config SYS_CONSOLE_ENV_OVERWRITE
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bool "Update environment variables during console init"
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help
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The console environment variables (stdout, stdin, stderr) can be
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used to determine the correct console devices on start-up. This
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option writes the console devices to these variables on console
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start-up (after relocation). This causes the environment to be
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updated to match the console devices actually chosen.
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config SYS_CONSOLE_INFO_QUIET
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bool "Don't display the console devices on boot"
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help
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Normally U-Boot displays the current settings for stdout, stdin
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and stderr on boot when the post-relocation console is set up.
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Enable this option to suppress this output. It can be obtained by
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calling stdio_print_current_devices() from board code.
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config SYS_STDIO_DEREGISTER
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bool "Allow deregistering stdio devices"
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default y if USB_KEYBOARD
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help
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Generally there is no need to deregister stdio devices since they
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are never deactivated. But if a stdio device is used which can be
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removed (for example a USB keyboard) then this option can be
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enabled to ensure this is handled correctly.
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config SPL_SYS_STDIO_DEREGISTER
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bool "Allow deregistering stdio devices in SPL"
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help
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Generally there is no need to deregister stdio devices since they
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are never deactivated. But if a stdio device is used which can be
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removed (for example a USB keyboard) then this option can be
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enabled to ensure this is handled correctly. This is very rarely
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needed in SPL.
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config SYS_DEVICE_NULLDEV
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bool "Enable a null device for stdio"
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default y if SPLASH_SCREEN || SYS_STDIO_DEREGISTER
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help
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Enable creation of a "nulldev" stdio device. This allows silent
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operation of the console by setting stdout to "nulldev". Enable
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this to use a serial console under board control.
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endmenu
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menu "Logging"
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config LOG
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bool "Enable logging support"
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depends on DM
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help
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This enables support for logging of status and debug messages. These
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can be displayed on the console, recorded in a memory buffer, or
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discarded if not needed. Logging supports various categories and
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levels of severity.
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if LOG
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config LOG_MAX_LEVEL
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int "Maximum log level to record"
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default 6
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range 0 9
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help
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This selects the maximum log level that will be recorded. Any value
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higher than this will be ignored. If possible log statements below
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this level will be discarded at build time. Levels:
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0 - emergency
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1 - alert
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2 - critical
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3 - error
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4 - warning
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5 - note
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6 - info
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7 - debug
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8 - debug content
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9 - debug hardware I/O
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config LOG_DEFAULT_LEVEL
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int "Default logging level to display"
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default LOG_MAX_LEVEL
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range 0 LOG_MAX_LEVEL
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help
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This is the default logging level set when U-Boot starts. It can
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be adjusted later using the 'log level' command. Note that setting
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this to a value above LOG_MAX_LEVEL will be ineffective, since the
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higher levels are not compiled in to U-Boot.
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0 - emergency
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1 - alert
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2 - critical
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3 - error
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4 - warning
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5 - note
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6 - info
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7 - debug
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8 - debug content
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9 - debug hardware I/O
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config LOG_CONSOLE
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bool "Allow log output to the console"
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default y
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help
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Enables a log driver which writes log records to the console.
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Generally the console is the serial port or LCD display. Only the
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log message is shown - other details like level, category, file and
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line number are omitted.
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config LOGF_FILE
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bool "Show source file name in log messages by default"
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help
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Show the source file name in log messages by default. This value
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can be overridden using the 'log format' command.
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config LOGF_LINE
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bool "Show source line number in log messages by default"
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help
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Show the source line number in log messages by default. This value
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can be overridden using the 'log format' command.
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config LOGF_FUNC
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bool "Show function name in log messages by default"
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help
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Show the function name in log messages by default. This value can
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be overridden using the 'log format' command.
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config LOG_SYSLOG
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bool "Log output to syslog server"
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depends on NET
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help
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Enables a log driver which broadcasts log records via UDP port 514
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to syslog servers.
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config SPL_LOG
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bool "Enable logging support in SPL"
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depends on LOG
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help
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This enables support for logging of status and debug messages. These
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can be displayed on the console, recorded in a memory buffer, or
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discarded if not needed. Logging supports various categories and
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levels of severity.
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if SPL_LOG
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config SPL_LOG_MAX_LEVEL
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int "Maximum log level to record in SPL"
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depends on SPL_LOG
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default 3
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range 0 9
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help
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This selects the maximum log level that will be recorded. Any value
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higher than this will be ignored. If possible log statements below
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this level will be discarded at build time. Levels:
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0 - emergency
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1 - alert
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2 - critical
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3 - error
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4 - warning
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5 - note
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6 - info
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7 - debug
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8 - debug content
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9 - debug hardware I/O
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config SPL_LOG_CONSOLE
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bool "Allow log output to the console in SPL"
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default y
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help
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Enables a log driver which writes log records to the console.
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Generally the console is the serial port or LCD display. Only the
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log message is shown - other details like level, category, file and
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line number are omitted.
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endif
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config TPL_LOG
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bool "Enable logging support in TPL"
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depends on LOG
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help
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This enables support for logging of status and debug messages. These
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can be displayed on the console, recorded in a memory buffer, or
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discarded if not needed. Logging supports various categories and
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levels of severity.
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if TPL_LOG
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config TPL_LOG_MAX_LEVEL
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int "Maximum log level to record in TPL"
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depends on TPL_LOG
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default 3
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range 0 9
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help
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This selects the maximum log level that will be recorded. Any value
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higher than this will be ignored. If possible log statements below
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this level will be discarded at build time. Levels:
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0 - emergency
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1 - alert
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2 - critical
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3 - error
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4 - warning
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5 - note
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6 - info
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7 - debug
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8 - debug content
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9 - debug hardware I/O
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config TPL_LOG_CONSOLE
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bool "Allow log output to the console in TPL"
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default y
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help
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Enables a log driver which writes log records to the console.
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Generally the console is the serial port or LCD display. Only the
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log message is shown - other details like level, category, file and
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line number are omitted.
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endif
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config LOG_ERROR_RETURN
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bool "Log all functions which return an error"
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help
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When an error is returned in U-Boot it is sometimes difficult to
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figure out the root cause. For example, reading from SPI flash may
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fail due to a problem in the SPI controller or due to the flash part
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not returning the expected information. This option changes
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log_ret() to log any errors it sees. With this option disabled,
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log_ret() is a nop.
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You can add log_ret() to all functions which return an error code.
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config LOG_TEST
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bool "Provide a test for logging"
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depends on UNIT_TEST
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default y if SANDBOX
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help
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This enables a 'log test' command to test logging. It is normally
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executed from a pytest and simply outputs logging information
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in various different ways to test that the logging system works
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correctly with various settings.
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endif
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endmenu
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menu "Init options"
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config BOARD_TYPES
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bool "Call get_board_type() to get and display the board type"
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help
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If this option is enabled, checkboard() will call get_board_type()
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to get a string containing the board type and this will be
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displayed immediately after the model is shown on the console
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early in boot.
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config DISPLAY_CPUINFO
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bool "Display information about the CPU during start up"
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default y if ARC|| ARM || NIOS2 || X86 || XTENSA || M68K
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help
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Display information about the CPU that U-Boot is running on
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when U-Boot starts up. The function print_cpuinfo() is called
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to do this.
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config DISPLAY_BOARDINFO
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bool "Display information about the board during early start up"
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default y if ARC || ARM || M68K || MIPS || PPC || SANDBOX || XTENSA
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help
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Display information about the board that U-Boot is running on
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when U-Boot starts up. The board function checkboard() is called
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to do this.
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config DISPLAY_BOARDINFO_LATE
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bool "Display information about the board during late start up"
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help
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Display information about the board that U-Boot is running on after
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the relocation phase. The board function checkboard() is called to do
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this.
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menu "Start-up hooks"
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config ARCH_EARLY_INIT_R
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bool "Call arch-specific init soon after relocation"
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help
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With this option U-Boot will call arch_early_init_r() soon after
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relocation. Driver model is running by this point, and the cache
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is on. Note that board_early_init_r() is called first, if
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enabled. This can be used to set up architecture-specific devices.
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config ARCH_MISC_INIT
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bool "Call arch-specific init after relocation, when console is ready"
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help
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With this option U-Boot will call arch_misc_init() after
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relocation to allow miscellaneous arch-dependent initialisation
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to be performed. This function should be defined by the board
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and will be called after the console is set up, after relocation.
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config BOARD_EARLY_INIT_F
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bool "Call board-specific init before relocation"
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help
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Some boards need to perform initialisation as soon as possible
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after boot. With this option, U-Boot calls board_early_init_f()
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after driver model is ready in the pre-relocation init sequence.
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Note that the normal serial console is not yet set up, but the
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debug UART will be available if enabled.
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config BOARD_EARLY_INIT_R
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bool "Call board-specific init after relocation"
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help
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Some boards need to perform initialisation as directly after
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relocation. With this option, U-Boot calls board_early_init_r()
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in the post-relocation init sequence.
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config BOARD_LATE_INIT
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bool "Execute Board late init"
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help
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Sometimes board require some initialization code that might
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require once the actual init done, example saving board specific env,
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boot-modes etc. which eventually done at late.
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So this config enable the late init code with the help of board_late_init
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function which should defined on respective boards.
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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.
|
|
|
|
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 PCI_INIT_R
|
|
bool "Enumerate PCI buses during init"
|
|
depends on PCI
|
|
default y if !DM_PCI
|
|
help
|
|
With this option U-Boot will call pci_init() soon after relocation,
|
|
which will enumerate PCI buses. This is needed, for instance, in the
|
|
case of DM PCI-based Ethernet devices, which will not be detected
|
|
without having the enumeration performed earlier.
|
|
|
|
endmenu
|
|
|
|
endmenu # Init options
|
|
|
|
menu "Security support"
|
|
|
|
config HASH
|
|
bool # "Support hashing API (SHA1, SHA256, etc.)"
|
|
help
|
|
This provides a way to hash data in memory using various supported
|
|
algorithms (such as SHA1, MD5, CRC32). The API is defined in hash.h
|
|
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
|
|
depends on MMC
|
|
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.
|
|
|
|
if AVB_VERIFY
|
|
|
|
config AVB_BUF_ADDR
|
|
hex "Define AVB buffer address"
|
|
default FASTBOOT_BUF_ADDR
|
|
help
|
|
AVB requires a buffer for memory transactions. This variable defines the
|
|
buffer address.
|
|
|
|
config AVB_BUF_SIZE
|
|
hex "Define AVB buffer SIZE"
|
|
default FASTBOOT_BUF_SIZE
|
|
help
|
|
AVB requires a buffer for memory transactions. This variable defines the
|
|
buffer size.
|
|
|
|
endif # AVB_VERIFY
|
|
|
|
config SCP03
|
|
bool "Build SCP03 - Secure Channel Protocol O3 - controls"
|
|
depends on OPTEE || SANDBOX
|
|
depends on TEE
|
|
help
|
|
This option allows U-Boot to enable and or provision SCP03 on an OPTEE
|
|
controlled Secured Element.
|
|
|
|
config SPL_HASH
|
|
bool # "Support hashing API (SHA1, SHA256, etc.)"
|
|
help
|
|
This provides a way to hash data in memory using various supported
|
|
algorithms (such as SHA1, MD5, CRC32). The API is defined in hash.h
|
|
and the algorithms it supports are defined in common/hash.c. See
|
|
also CMD_HASH for command-line access.
|
|
|
|
config TPL_HASH
|
|
bool # "Support hashing API (SHA1, SHA256, etc.)"
|
|
help
|
|
This provides a way to hash data in memory using various supported
|
|
algorithms (such as SHA1, MD5, CRC32). The API is defined in hash.h
|
|
and the algorithms it supports are defined in common/hash.c. See
|
|
also CMD_HASH for command-line access.
|
|
|
|
endmenu
|
|
|
|
menu "Update support"
|
|
|
|
config UPDATE_COMMON
|
|
bool
|
|
default n
|
|
select DFU_WRITE_ALT
|
|
|
|
config UPDATE_TFTP
|
|
bool "Auto-update using fitImage via TFTP"
|
|
depends on FIT
|
|
select UPDATE_COMMON
|
|
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
|
|
|
|
config UPDATE_FIT
|
|
bool "Firmware update using fitImage"
|
|
depends on FIT
|
|
depends on DFU
|
|
select UPDATE_COMMON
|
|
help
|
|
This option allows performing update of DFU-capable storage with
|
|
data in fitImage.
|
|
|
|
config ANDROID_AB
|
|
bool "Android A/B updates"
|
|
default n
|
|
help
|
|
If enabled, adds support for the new Android A/B update model. This
|
|
allows the bootloader to select which slot to boot from based on the
|
|
information provided by userspace via the Android boot_ctrl HAL. This
|
|
allows a bootloader to try a new version of the system but roll back
|
|
to previous version if the new one didn't boot all the way.
|
|
|
|
endmenu
|
|
|
|
menu "Blob list"
|
|
|
|
config BLOBLIST
|
|
bool "Support for a bloblist"
|
|
help
|
|
This enables support for a bloblist in U-Boot, which can be passed
|
|
from TPL to SPL to U-Boot proper (and potentially to Linux). The
|
|
blob list supports multiple binary blobs of data, each with a tag,
|
|
so that different U-Boot components can store data which can survive
|
|
through to the next stage of the boot.
|
|
|
|
config SPL_BLOBLIST
|
|
bool "Support for a bloblist in SPL"
|
|
depends on BLOBLIST
|
|
default y if SPL
|
|
help
|
|
This enables a bloblist in SPL. If this is the first part of U-Boot
|
|
to run, then the bloblist is set up in SPL and passed to U-Boot
|
|
proper. If TPL also has a bloblist, then SPL uses the one from there.
|
|
|
|
config TPL_BLOBLIST
|
|
bool "Support for a bloblist in TPL"
|
|
depends on BLOBLIST
|
|
default y if TPL
|
|
help
|
|
This enables a bloblist in TPL. The bloblist is set up in TPL and
|
|
passed to SPL and U-Boot proper.
|
|
|
|
config BLOBLIST_SIZE
|
|
hex "Size of bloblist"
|
|
depends on BLOBLIST
|
|
default 0x400
|
|
help
|
|
Sets the size of the bloblist in bytes. This must include all
|
|
overhead (alignment, bloblist header, record header). The bloblist
|
|
is set up in the first part of U-Boot to run (TPL, SPL or U-Boot
|
|
proper), and this sane bloblist is used for subsequent stages.
|
|
|
|
config BLOBLIST_ADDR
|
|
hex "Address of bloblist"
|
|
depends on BLOBLIST
|
|
default 0xe000 if SANDBOX
|
|
help
|
|
Sets the address of the bloblist, set up by the first part of U-Boot
|
|
which runs. Subsequent U-Boot stages typically use the same address.
|
|
|
|
config BLOBLIST_SIZE_RELOC
|
|
hex "Size of bloblist after relocation"
|
|
depends on BLOBLIST
|
|
default BLOBLIST_SIZE
|
|
help
|
|
Sets the size of the bloblist in bytes after relocation. Since U-Boot
|
|
has a lot more memory available then, it is possible to use a larger
|
|
size than the one set up by SPL. This bloblist is set up during the
|
|
relocation process.
|
|
|
|
endmenu
|
|
|
|
source "common/spl/Kconfig"
|
|
|
|
config IMAGE_SIGN_INFO
|
|
bool
|
|
select SHA1
|
|
select SHA256
|
|
help
|
|
Enable image_sign_info helper functions.
|
|
|
|
if IMAGE_SIGN_INFO
|
|
|
|
config SPL_IMAGE_SIGN_INFO
|
|
bool
|
|
select SHA1
|
|
select SHA256
|
|
help
|
|
Enable image_sign_info helper functions in SPL.
|
|
|
|
endif
|