2016-10-18 02:12:35 +00:00
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menu "Console"
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2016-11-29 14:14:56 +00:00
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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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2015-11-09 06:47:48 +00:00
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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
|
2016-08-31 16:49:13 +00:00
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input) through circular buffers. This is mostly useful for testing.
|
2015-11-09 06:47:48 +00:00
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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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2020-11-28 08:43:03 +00:00
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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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2015-11-09 06:47:48 +00:00
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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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2021-10-23 23:26:03 +00:00
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config CONSOLE_RECORD_OUT_SIZE_F
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hex "Output buffer size before relocation"
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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 before relocation. When
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this fills up, no more data will be recorded until some is removed.
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The buffer is allocated immediately after the early malloc() region is
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ready.
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|
2015-11-09 06:47:48 +00:00
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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.
|
2016-07-19 05:12:22 +00:00
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2018-09-10 10:43:16 +00:00
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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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|
2016-07-29 10:01:47 +00:00
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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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|
|
|
|
|
printk: collect printk stuff into <linux/printk.h> with loglevel support
When we import code from Linux, with regular re-sync planned, we want
to use printk() and pr_*(). U-Boot does not support them in a clean
way. So, people end up with local macros, or compat headers here and
there, then we occasionally see build errors of definition conflicts.
We have include/linux/compat.h, but putting all sorts of unrelated
things into a single header is just a temporal workaround. Hence this
patch, to find the best home for all printk variants. If you want to
use printk() and friends, please include <linux/printk.h>. This header
is self-contained, and pulls in only a few headers.
When I was testing this clean-up, I noticed the image size exceeded
its platform limit on some boards. This is because all pr_*() that
were previously defined as no-op in include/linux/mtd/mtd.h (unless
CONFIG_MTD_DEBUG is set), are now enabled.
To make such boards happy, this commit also implements CONFIG_LOGLEVEL.
The concept is similar to the kernel parameter "loglevel". (Actually,
the Kconfig help message was taken from kernel-paremeter.txt of Linux)
Messages with a loglevel smaller than console loglevel will be printed.
The difference is the loglevel is build-time determined. To save the
image size, lower priority pr_*() are compiled out. I set the default
of CONFIG_LOGLEVEL to 6, i.e. pr_notice and higher priority messages
are compiled in.
I adjusted CONFIG_LOGLEVEL to avoid build error for some boards.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
[trini: Add in SPL_LOGLEVEL that is the same as LOGLEVEL]
Signed-off-by: Tom Rini <trini@konsulko.com>
2017-09-16 05:10:40 +00:00
|
|
|
config LOGLEVEL
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|
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int "loglevel"
|
2017-10-04 20:44:30 +00:00
|
|
|
default 4
|
2020-02-03 10:43:32 +00:00
|
|
|
range 0 10
|
printk: collect printk stuff into <linux/printk.h> with loglevel support
When we import code from Linux, with regular re-sync planned, we want
to use printk() and pr_*(). U-Boot does not support them in a clean
way. So, people end up with local macros, or compat headers here and
there, then we occasionally see build errors of definition conflicts.
We have include/linux/compat.h, but putting all sorts of unrelated
things into a single header is just a temporal workaround. Hence this
patch, to find the best home for all printk variants. If you want to
use printk() and friends, please include <linux/printk.h>. This header
is self-contained, and pulls in only a few headers.
When I was testing this clean-up, I noticed the image size exceeded
its platform limit on some boards. This is because all pr_*() that
were previously defined as no-op in include/linux/mtd/mtd.h (unless
CONFIG_MTD_DEBUG is set), are now enabled.
To make such boards happy, this commit also implements CONFIG_LOGLEVEL.
The concept is similar to the kernel parameter "loglevel". (Actually,
the Kconfig help message was taken from kernel-paremeter.txt of Linux)
Messages with a loglevel smaller than console loglevel will be printed.
The difference is the loglevel is build-time determined. To save the
image size, lower priority pr_*() are compiled out. I set the default
of CONFIG_LOGLEVEL to 6, i.e. pr_notice and higher priority messages
are compiled in.
I adjusted CONFIG_LOGLEVEL to avoid build error for some boards.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
[trini: Add in SPL_LOGLEVEL that is the same as LOGLEVEL]
Signed-off-by: Tom Rini <trini@konsulko.com>
2017-09-16 05:10:40 +00:00
|
|
|
help
|
|
|
|
|
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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|
|
|
2019-02-17 03:24:34 +00:00
|
|
|
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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|
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8 - debug content
|
|
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|
|
9 - debug hardware I/O
|
printk: collect printk stuff into <linux/printk.h> with loglevel support
When we import code from Linux, with regular re-sync planned, we want
to use printk() and pr_*(). U-Boot does not support them in a clean
way. So, people end up with local macros, or compat headers here and
there, then we occasionally see build errors of definition conflicts.
We have include/linux/compat.h, but putting all sorts of unrelated
things into a single header is just a temporal workaround. Hence this
patch, to find the best home for all printk variants. If you want to
use printk() and friends, please include <linux/printk.h>. This header
is self-contained, and pulls in only a few headers.
When I was testing this clean-up, I noticed the image size exceeded
its platform limit on some boards. This is because all pr_*() that
were previously defined as no-op in include/linux/mtd/mtd.h (unless
CONFIG_MTD_DEBUG is set), are now enabled.
To make such boards happy, this commit also implements CONFIG_LOGLEVEL.
The concept is similar to the kernel parameter "loglevel". (Actually,
the Kconfig help message was taken from kernel-paremeter.txt of Linux)
Messages with a loglevel smaller than console loglevel will be printed.
The difference is the loglevel is build-time determined. To save the
image size, lower priority pr_*() are compiled out. I set the default
of CONFIG_LOGLEVEL to 6, i.e. pr_notice and higher priority messages
are compiled in.
I adjusted CONFIG_LOGLEVEL to avoid build error for some boards.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
[trini: Add in SPL_LOGLEVEL that is the same as LOGLEVEL]
Signed-off-by: Tom Rini <trini@konsulko.com>
2017-09-16 05:10:40 +00:00
|
|
|
|
|
|
|
|
config SPL_LOGLEVEL
|
|
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|
|
int
|
2022-06-11 03:03:09 +00:00
|
|
|
depends on SPL
|
printk: collect printk stuff into <linux/printk.h> with loglevel support
When we import code from Linux, with regular re-sync planned, we want
to use printk() and pr_*(). U-Boot does not support them in a clean
way. So, people end up with local macros, or compat headers here and
there, then we occasionally see build errors of definition conflicts.
We have include/linux/compat.h, but putting all sorts of unrelated
things into a single header is just a temporal workaround. Hence this
patch, to find the best home for all printk variants. If you want to
use printk() and friends, please include <linux/printk.h>. This header
is self-contained, and pulls in only a few headers.
When I was testing this clean-up, I noticed the image size exceeded
its platform limit on some boards. This is because all pr_*() that
were previously defined as no-op in include/linux/mtd/mtd.h (unless
CONFIG_MTD_DEBUG is set), are now enabled.
To make such boards happy, this commit also implements CONFIG_LOGLEVEL.
The concept is similar to the kernel parameter "loglevel". (Actually,
the Kconfig help message was taken from kernel-paremeter.txt of Linux)
Messages with a loglevel smaller than console loglevel will be printed.
The difference is the loglevel is build-time determined. To save the
image size, lower priority pr_*() are compiled out. I set the default
of CONFIG_LOGLEVEL to 6, i.e. pr_notice and higher priority messages
are compiled in.
I adjusted CONFIG_LOGLEVEL to avoid build error for some boards.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
[trini: Add in SPL_LOGLEVEL that is the same as LOGLEVEL]
Signed-off-by: Tom Rini <trini@konsulko.com>
2017-09-16 05:10:40 +00:00
|
|
|
default LOGLEVEL
|
|
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|
|
|
2018-11-16 01:43:49 +00:00
|
|
|
config TPL_LOGLEVEL
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int
|
2022-06-08 12:24:39 +00:00
|
|
|
depends on TPL
|
2018-11-16 01:43:49 +00:00
|
|
|
default LOGLEVEL
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|
|
2022-04-30 06:56:53 +00:00
|
|
|
config VPL_LOGLEVEL
|
|
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|
|
int "loglevel for VPL"
|
2022-06-08 12:24:40 +00:00
|
|
|
depends on VPL
|
2022-04-30 06:56:53 +00:00
|
|
|
default LOGLEVEL
|
|
|
|
|
help
|
|
|
|
|
All Messages with a loglevel smaller than the console loglevel will
|
|
|
|
|
be compiled in to VPL. See LOGLEVEL for a list of available log
|
|
|
|
|
levels. Setting this to a value above 4 may increase the code size
|
|
|
|
|
significantly.
|
|
|
|
|
|
2016-10-18 02:12:35 +00:00
|
|
|
config SILENT_CONSOLE
|
|
|
|
|
bool "Support a silent console"
|
|
|
|
|
help
|
|
|
|
|
This option allows the console to be silenced, meaning that no
|
|
|
|
|
output will appear on the console devices. This is controlled by
|
2019-01-11 02:30:50 +00:00
|
|
|
setting the environment variable 'silent' to a non-empty value.
|
2016-10-18 02:12:35 +00:00
|
|
|
Note this also silences the console when booting Linux.
|
|
|
|
|
|
|
|
|
|
When the console is set up, the variable is checked, and the
|
|
|
|
|
GD_FLG_SILENT flag is set. Changing the environment variable later
|
|
|
|
|
will update the flag.
|
|
|
|
|
|
2022-10-21 00:22:43 +00:00
|
|
|
config SPL_SILENT_CONSOLE
|
|
|
|
|
bool "Use a silent console in SPL"
|
|
|
|
|
default y if SILENT_CONSOLE && !SANDBOX
|
|
|
|
|
help
|
|
|
|
|
This selects a silent console in SPL. When enabled it drops some
|
|
|
|
|
output messages. The GD_FLG_SILENT flag is not used in SPL so there
|
|
|
|
|
is no run-time control of console messages in SPL.
|
|
|
|
|
|
|
|
|
|
Future work may allow the SPL console to be silenced completely using
|
|
|
|
|
this option.
|
|
|
|
|
|
|
|
|
|
config TPL_SILENT_CONSOLE
|
|
|
|
|
bool "Use a silent console in TPL"
|
|
|
|
|
default y if SILENT_CONSOLE && !SANDBOX
|
|
|
|
|
help
|
|
|
|
|
This selects a silent console in TPL. When enabled it drops some
|
|
|
|
|
output messages. The GD_FLG_SILENT flag is not used in TPL so there
|
|
|
|
|
is no run-time control of console messages in TPL.
|
|
|
|
|
|
|
|
|
|
Future work may allow the TPL console to be silenced completely using
|
|
|
|
|
this option.
|
|
|
|
|
|
2016-10-18 02:12:35 +00:00
|
|
|
config SILENT_U_BOOT_ONLY
|
|
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|
|
bool "Only silence the U-Boot console"
|
|
|
|
|
depends on SILENT_CONSOLE
|
|
|
|
|
help
|
|
|
|
|
Normally when the U-Boot console is silenced, Linux's console is
|
|
|
|
|
also silenced (assuming the board boots into Linux). This option
|
|
|
|
|
allows the linux console to operate normally, even if U-Boot's
|
|
|
|
|
is silenced.
|
|
|
|
|
|
|
|
|
|
config SILENT_CONSOLE_UPDATE_ON_SET
|
|
|
|
|
bool "Changes to the 'silent' environment variable update immediately"
|
|
|
|
|
depends on SILENT_CONSOLE
|
|
|
|
|
default y if SILENT_CONSOLE
|
|
|
|
|
help
|
|
|
|
|
When the 'silent' environment variable is changed, update the
|
|
|
|
|
console silence flag immediately. This allows 'setenv' to be used
|
|
|
|
|
to silence or un-silence the console.
|
|
|
|
|
|
|
|
|
|
The effect is that any change to the variable will affect the
|
|
|
|
|
GD_FLG_SILENT flag.
|
|
|
|
|
|
|
|
|
|
config SILENT_CONSOLE_UPDATE_ON_RELOC
|
|
|
|
|
bool "Allow flags to take effect on relocation"
|
|
|
|
|
depends on SILENT_CONSOLE
|
|
|
|
|
help
|
|
|
|
|
In some cases the environment is not available until relocation
|
|
|
|
|
(e.g. NAND). This option makes the value of the 'silent'
|
|
|
|
|
environment variable take effect at relocation.
|
|
|
|
|
|
2022-07-06 11:19:10 +00:00
|
|
|
config SILENT_CONSOLE_UNTIL_ENV
|
|
|
|
|
bool "Keep console silent until environment is loaded"
|
|
|
|
|
depends on SILENT_CONSOLE
|
|
|
|
|
help
|
|
|
|
|
This option makes sure U-Boot will never use the console unless the
|
|
|
|
|
environment from flash does not contain the 'silent' variable. If
|
|
|
|
|
set, the console is kept silent until after the environment was
|
|
|
|
|
loaded. Use this in combination with PRE_CONSOLE_BUFFER to print out
|
|
|
|
|
earlier messages after loading the environment when allowed.
|
|
|
|
|
|
2016-10-18 02:12:36 +00:00
|
|
|
config PRE_CONSOLE_BUFFER
|
|
|
|
|
bool "Buffer characters before the console is available"
|
|
|
|
|
help
|
|
|
|
|
Prior to the console being initialised (i.e. serial UART
|
|
|
|
|
initialised etc) all console output is silently discarded.
|
|
|
|
|
Defining CONFIG_PRE_CONSOLE_BUFFER will cause U-Boot to
|
|
|
|
|
buffer any console messages prior to the console being
|
|
|
|
|
initialised to a buffer. The buffer is a circular buffer, so
|
|
|
|
|
if it overflows, earlier output is discarded.
|
|
|
|
|
|
|
|
|
|
Note that this is not currently supported in SPL. It would be
|
|
|
|
|
useful to be able to share the pre-console buffer with SPL.
|
|
|
|
|
|
|
|
|
|
config PRE_CON_BUF_SZ
|
|
|
|
|
int "Sets the size of the pre-console buffer"
|
|
|
|
|
depends on PRE_CONSOLE_BUFFER
|
|
|
|
|
default 4096
|
|
|
|
|
help
|
|
|
|
|
The size of the pre-console buffer affects how much console output
|
|
|
|
|
can be held before it overflows and starts discarding earlier
|
|
|
|
|
output. Normally there is very little output at this early stage,
|
|
|
|
|
unless debugging is enabled, so allow enough for ~10 lines of
|
|
|
|
|
text.
|
|
|
|
|
|
|
|
|
|
This is a useful feature if you are using a video console and
|
|
|
|
|
want to see the full boot output on the console. Without this
|
|
|
|
|
option only the post-relocation output will be displayed.
|
|
|
|
|
|
|
|
|
|
config PRE_CON_BUF_ADDR
|
|
|
|
|
hex "Address of the pre-console buffer"
|
|
|
|
|
depends on PRE_CONSOLE_BUFFER
|
|
|
|
|
default 0x2f000000 if ARCH_SUNXI && MACH_SUN9I
|
|
|
|
|
default 0x4f000000 if ARCH_SUNXI && !MACH_SUN9I
|
2020-01-23 14:12:19 +00:00
|
|
|
default 0x0f000000 if ROCKCHIP_RK3288
|
2020-04-02 11:41:23 +00:00
|
|
|
default 0x0f200000 if ROCKCHIP_RK3399
|
2016-10-18 02:12:36 +00:00
|
|
|
help
|
|
|
|
|
This sets the start address of the pre-console buffer. This must
|
|
|
|
|
be in available memory and is accessed before relocation and
|
|
|
|
|
possibly before DRAM is set up. Therefore choose an address
|
|
|
|
|
carefully.
|
|
|
|
|
|
|
|
|
|
We should consider removing this option and allocating the memory
|
|
|
|
|
in board_init_f_init_reserve() instead.
|
|
|
|
|
|
2022-09-05 09:31:17 +00:00
|
|
|
config CONSOLE_FLUSH_SUPPORT
|
|
|
|
|
bool "Enable console flush support"
|
|
|
|
|
default y
|
|
|
|
|
help
|
|
|
|
|
This enables compilation of flush() function for console flush support.
|
|
|
|
|
|
2016-10-18 02:12:37 +00:00
|
|
|
config CONSOLE_MUX
|
|
|
|
|
bool "Enable console multiplexing"
|
2022-10-18 13:46:31 +00:00
|
|
|
default y if VIDEO || VIDEO || LCD
|
2016-10-18 02:12:37 +00:00
|
|
|
help
|
|
|
|
|
This allows multiple devices to be used for each console 'file'.
|
|
|
|
|
For example, stdout can be set to go to serial and video.
|
|
|
|
|
Similarly, stdin can be set to come from serial and keyboard.
|
|
|
|
|
Input can be provided from either source. Console multiplexing
|
|
|
|
|
adds a small amount of size to U-Boot. Changes to the environment
|
|
|
|
|
variables stdout, stdin and stderr will take effect immediately.
|
|
|
|
|
|
|
|
|
|
config SYS_CONSOLE_IS_IN_ENV
|
|
|
|
|
bool "Select console devices from the environment"
|
|
|
|
|
default y if CONSOLE_MUX
|
|
|
|
|
help
|
|
|
|
|
This allows multiple input/output devices to be set at boot time.
|
2021-10-04 14:04:32 +00:00
|
|
|
For example, if stdout is set to "serial,vidconsole" then output
|
|
|
|
|
will be sent to both the serial and video devices on boot. The
|
2016-10-18 02:12:37 +00:00
|
|
|
environment variables can be updated after boot to change the
|
|
|
|
|
input/output devices.
|
|
|
|
|
|
2016-10-18 02:12:59 +00:00
|
|
|
config SYS_CONSOLE_OVERWRITE_ROUTINE
|
|
|
|
|
bool "Allow board control over console overwriting"
|
|
|
|
|
help
|
|
|
|
|
If this is enabled, and the board-specific function
|
|
|
|
|
overwrite_console() returns 1, the stdin, stderr and stdout are
|
|
|
|
|
switched to the serial port, else the settings in the environment
|
|
|
|
|
are used. If this is not enabled, the console will not be switched
|
|
|
|
|
to serial.
|
|
|
|
|
|
2016-10-18 02:12:58 +00:00
|
|
|
config SYS_CONSOLE_ENV_OVERWRITE
|
|
|
|
|
bool "Update environment variables during console init"
|
|
|
|
|
help
|
|
|
|
|
The console environment variables (stdout, stdin, stderr) can be
|
|
|
|
|
used to determine the correct console devices on start-up. This
|
|
|
|
|
option writes the console devices to these variables on console
|
|
|
|
|
start-up (after relocation). This causes the environment to be
|
|
|
|
|
updated to match the console devices actually chosen.
|
|
|
|
|
|
2016-10-18 02:13:00 +00:00
|
|
|
config SYS_CONSOLE_INFO_QUIET
|
|
|
|
|
bool "Don't display the console devices on boot"
|
|
|
|
|
help
|
|
|
|
|
Normally U-Boot displays the current settings for stdout, stdin
|
|
|
|
|
and stderr on boot when the post-relocation console is set up.
|
2019-01-11 02:30:50 +00:00
|
|
|
Enable this option to suppress this output. It can be obtained by
|
2016-10-18 02:13:00 +00:00
|
|
|
calling stdio_print_current_devices() from board code.
|
|
|
|
|
|
2016-10-18 02:13:02 +00:00
|
|
|
config SYS_STDIO_DEREGISTER
|
|
|
|
|
bool "Allow deregistering stdio devices"
|
|
|
|
|
default y if USB_KEYBOARD
|
|
|
|
|
help
|
|
|
|
|
Generally there is no need to deregister stdio devices since they
|
|
|
|
|
are never deactivated. But if a stdio device is used which can be
|
|
|
|
|
removed (for example a USB keyboard) then this option can be
|
|
|
|
|
enabled to ensure this is handled correctly.
|
|
|
|
|
|
2020-08-11 17:23:36 +00:00
|
|
|
config SPL_SYS_STDIO_DEREGISTER
|
|
|
|
|
bool "Allow deregistering stdio devices in SPL"
|
|
|
|
|
help
|
|
|
|
|
Generally there is no need to deregister stdio devices since they
|
|
|
|
|
are never deactivated. But if a stdio device is used which can be
|
|
|
|
|
removed (for example a USB keyboard) then this option can be
|
|
|
|
|
enabled to ensure this is handled correctly. This is very rarely
|
|
|
|
|
needed in SPL.
|
|
|
|
|
|
|
|
|
|
config SYS_DEVICE_NULLDEV
|
|
|
|
|
bool "Enable a null device for stdio"
|
2020-08-11 17:23:37 +00:00
|
|
|
default y if SPLASH_SCREEN || SYS_STDIO_DEREGISTER
|
2020-08-11 17:23:36 +00:00
|
|
|
help
|
|
|
|
|
Enable creation of a "nulldev" stdio device. This allows silent
|
|
|
|
|
operation of the console by setting stdout to "nulldev". Enable
|
|
|
|
|
this to use a serial console under board control.
|
|
|
|
|
|
2016-10-18 02:12:35 +00:00
|
|
|
endmenu
|
|
|
|
|
|
2017-12-04 20:48:24 +00:00
|
|
|
menu "Logging"
|
|
|
|
|
|
|
|
|
|
config LOG
|
|
|
|
|
bool "Enable logging support"
|
2018-07-23 13:55:11 +00:00
|
|
|
depends on DM
|
2017-12-04 20:48:24 +00:00
|
|
|
help
|
|
|
|
|
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.
|
|
|
|
|
|
2020-05-31 13:34:22 +00:00
|
|
|
if LOG
|
2017-12-04 20:48:24 +00:00
|
|
|
|
|
|
|
|
config LOG_MAX_LEVEL
|
|
|
|
|
int "Maximum log level to record"
|
2020-05-31 13:34:22 +00:00
|
|
|
default 6
|
|
|
|
|
range 0 9
|
2017-12-04 20:48:24 +00:00
|
|
|
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:
|
|
|
|
|
|
2019-02-17 03:24:34 +00:00
|
|
|
0 - emergency
|
|
|
|
|
1 - alert
|
|
|
|
|
2 - critical
|
|
|
|
|
3 - error
|
|
|
|
|
4 - warning
|
|
|
|
|
5 - note
|
|
|
|
|
6 - info
|
2017-12-04 20:48:24 +00:00
|
|
|
7 - debug
|
2019-02-17 03:24:34 +00:00
|
|
|
8 - debug content
|
|
|
|
|
9 - debug hardware I/O
|
2017-12-04 20:48:24 +00:00
|
|
|
|
2020-05-31 13:34:22 +00:00
|
|
|
config LOG_DEFAULT_LEVEL
|
|
|
|
|
int "Default logging level to display"
|
|
|
|
|
default LOG_MAX_LEVEL
|
|
|
|
|
range 0 LOG_MAX_LEVEL
|
2017-12-04 20:48:24 +00:00
|
|
|
help
|
2020-05-31 13:34:22 +00:00
|
|
|
This is the default logging level set when U-Boot starts. It can
|
|
|
|
|
be adjusted later using the 'log level' command. Note that setting
|
|
|
|
|
this to a value above LOG_MAX_LEVEL will be ineffective, since the
|
|
|
|
|
higher levels are not compiled in to U-Boot.
|
2017-12-04 20:48:24 +00:00
|
|
|
|
2019-02-17 03:24:34 +00:00
|
|
|
0 - emergency
|
|
|
|
|
1 - alert
|
|
|
|
|
2 - critical
|
|
|
|
|
3 - error
|
|
|
|
|
4 - warning
|
|
|
|
|
5 - note
|
|
|
|
|
6 - info
|
2017-12-04 20:48:24 +00:00
|
|
|
7 - debug
|
2019-02-17 03:24:34 +00:00
|
|
|
8 - debug content
|
|
|
|
|
9 - debug hardware I/O
|
2017-12-04 20:48:24 +00:00
|
|
|
|
2020-05-31 13:34:22 +00:00
|
|
|
config LOG_CONSOLE
|
|
|
|
|
bool "Allow log output to the console"
|
|
|
|
|
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.
|
|
|
|
|
|
2020-06-17 19:52:44 +00:00
|
|
|
config LOGF_FILE
|
|
|
|
|
bool "Show source file name in log messages by default"
|
|
|
|
|
help
|
|
|
|
|
Show the source file name in log messages by default. This value
|
|
|
|
|
can be overridden using the 'log format' command.
|
|
|
|
|
|
|
|
|
|
config LOGF_LINE
|
|
|
|
|
bool "Show source line number in log messages by default"
|
|
|
|
|
help
|
|
|
|
|
Show the source line number in log messages by default. This value
|
|
|
|
|
can be overridden using the 'log format' command.
|
|
|
|
|
|
|
|
|
|
config LOGF_FUNC
|
|
|
|
|
bool "Show function name in log messages by default"
|
|
|
|
|
help
|
|
|
|
|
Show the function name in log messages by default. This value can
|
|
|
|
|
be overridden using the 'log format' command.
|
|
|
|
|
|
2021-07-05 22:33:00 +00:00
|
|
|
config LOGF_FUNC_PAD
|
|
|
|
|
int "Number of characters to use for function"
|
|
|
|
|
default 20
|
|
|
|
|
help
|
|
|
|
|
Sets the field width to use when showing the function. Set this to
|
|
|
|
|
a larger value if you have lots of long function names, and want
|
|
|
|
|
things to line up.
|
|
|
|
|
|
2020-05-31 13:34:22 +00:00
|
|
|
config LOG_SYSLOG
|
|
|
|
|
bool "Log output to syslog server"
|
|
|
|
|
depends on NET
|
|
|
|
|
help
|
|
|
|
|
Enables a log driver which broadcasts log records via UDP port 514
|
|
|
|
|
to syslog servers.
|
|
|
|
|
|
|
|
|
|
config SPL_LOG
|
|
|
|
|
bool "Enable logging support in SPL"
|
2022-06-11 03:03:09 +00:00
|
|
|
depends on LOG && SPL
|
2020-05-31 13:34:22 +00:00
|
|
|
help
|
|
|
|
|
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.
|
|
|
|
|
|
|
|
|
|
if SPL_LOG
|
|
|
|
|
|
|
|
|
|
config SPL_LOG_MAX_LEVEL
|
|
|
|
|
int "Maximum log level to record in SPL"
|
|
|
|
|
depends on SPL_LOG
|
2018-11-16 01:43:49 +00:00
|
|
|
default 3
|
2020-05-31 13:34:22 +00:00
|
|
|
range 0 9
|
2018-11-16 01:43:49 +00:00
|
|
|
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:
|
|
|
|
|
|
2019-02-17 03:24:34 +00:00
|
|
|
0 - emergency
|
|
|
|
|
1 - alert
|
|
|
|
|
2 - critical
|
|
|
|
|
3 - error
|
|
|
|
|
4 - warning
|
|
|
|
|
5 - note
|
|
|
|
|
6 - info
|
2018-11-16 01:43:49 +00:00
|
|
|
7 - debug
|
2019-02-17 03:24:34 +00:00
|
|
|
8 - debug content
|
|
|
|
|
9 - debug hardware I/O
|
2018-11-16 01:43:49 +00:00
|
|
|
|
2020-05-31 13:34:22 +00:00
|
|
|
config SPL_LOG_CONSOLE
|
|
|
|
|
bool "Allow log output to the console in SPL"
|
|
|
|
|
default y
|
2019-02-17 03:24:35 +00:00
|
|
|
help
|
2020-05-31 13:34:22 +00:00
|
|
|
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.
|
|
|
|
|
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
config TPL_LOG
|
|
|
|
|
bool "Enable logging support in TPL"
|
2022-06-08 12:24:39 +00:00
|
|
|
depends on LOG && TPL
|
2020-05-31 13:34:22 +00:00
|
|
|
help
|
|
|
|
|
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.
|
|
|
|
|
|
|
|
|
|
if TPL_LOG
|
|
|
|
|
|
|
|
|
|
config TPL_LOG_MAX_LEVEL
|
|
|
|
|
int "Maximum log level to record in TPL"
|
|
|
|
|
depends on TPL_LOG
|
|
|
|
|
default 3
|
|
|
|
|
range 0 9
|
|
|
|
|
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:
|
2019-02-17 03:24:35 +00:00
|
|
|
|
|
|
|
|
0 - emergency
|
|
|
|
|
1 - alert
|
|
|
|
|
2 - critical
|
|
|
|
|
3 - error
|
|
|
|
|
4 - warning
|
|
|
|
|
5 - note
|
|
|
|
|
6 - info
|
|
|
|
|
7 - debug
|
|
|
|
|
8 - debug content
|
|
|
|
|
9 - debug hardware I/O
|
|
|
|
|
|
2018-11-16 01:43:49 +00:00
|
|
|
config TPL_LOG_CONSOLE
|
2019-10-02 14:55:06 +00:00
|
|
|
bool "Allow log output to the console in TPL"
|
2017-12-04 20:48:25 +00:00
|
|
|
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.
|
|
|
|
|
|
2020-05-31 13:34:22 +00:00
|
|
|
endif
|
2017-12-04 20:48:27 +00:00
|
|
|
|
2022-04-30 06:56:53 +00:00
|
|
|
config VPL_LOG
|
|
|
|
|
bool "Enable logging support in VPL"
|
2022-06-08 12:24:40 +00:00
|
|
|
depends on LOG && VPL
|
2022-04-30 06:56:53 +00:00
|
|
|
help
|
|
|
|
|
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.
|
|
|
|
|
|
|
|
|
|
if VPL_LOG
|
|
|
|
|
|
|
|
|
|
config VPL_LOG_MAX_LEVEL
|
|
|
|
|
int "Maximum log level to record in VPL"
|
|
|
|
|
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 - emergency
|
|
|
|
|
1 - alert
|
|
|
|
|
2 - critical
|
|
|
|
|
3 - error
|
|
|
|
|
4 - warning
|
|
|
|
|
5 - note
|
|
|
|
|
6 - info
|
|
|
|
|
7 - debug
|
|
|
|
|
8 - debug content
|
|
|
|
|
9 - debug hardware I/O
|
|
|
|
|
|
|
|
|
|
config VPL_LOG_CONSOLE
|
|
|
|
|
bool "Allow log output to the console in VPL"
|
|
|
|
|
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.
|
|
|
|
|
|
|
|
|
|
endif
|
|
|
|
|
|
2017-12-28 20:14:23 +00:00
|
|
|
config LOG_ERROR_RETURN
|
|
|
|
|
bool "Log all functions which return an error"
|
|
|
|
|
help
|
|
|
|
|
When an error is returned in U-Boot it is sometimes difficult to
|
2019-01-11 02:30:50 +00:00
|
|
|
figure out the root cause. For example, reading from SPI flash may
|
2017-12-28 20:14:23 +00:00
|
|
|
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.
|
|
|
|
|
|
2020-05-31 13:34:22 +00:00
|
|
|
config LOG_TEST
|
|
|
|
|
bool "Provide a test for logging"
|
|
|
|
|
depends on UNIT_TEST
|
|
|
|
|
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 various settings.
|
|
|
|
|
|
|
|
|
|
endif
|
|
|
|
|
|
2017-12-04 20:48:24 +00:00
|
|
|
endmenu
|
|
|
|
|
|
2020-09-11 02:21:21 +00:00
|
|
|
menu "Init options"
|
|
|
|
|
|
2020-09-11 02:21:26 +00:00
|
|
|
config BOARD_TYPES
|
2023-02-16 03:36:47 +00:00
|
|
|
bool "Enable board_type entry in global data struct"
|
2020-09-11 02:21:26 +00:00
|
|
|
help
|
2023-02-16 03:36:47 +00:00
|
|
|
If this option is enabled, a field will be added to the global
|
|
|
|
|
data struct to store an unsigned long value for the type of
|
|
|
|
|
platform that we have determined we are on, at run-time.
|
2020-09-11 02:21:26 +00:00
|
|
|
|
2016-10-08 18:41:44 +00:00
|
|
|
config DISPLAY_CPUINFO
|
|
|
|
|
bool "Display information about the CPU during start up"
|
2018-10-02 08:43:28 +00:00
|
|
|
default y if ARC|| ARM || NIOS2 || X86 || XTENSA || M68K
|
2016-10-08 18:41:44 +00:00
|
|
|
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.
|
|
|
|
|
|
2016-10-12 01:33:46 +00:00
|
|
|
config DISPLAY_BOARDINFO
|
2018-03-28 12:38:17 +00:00
|
|
|
bool "Display information about the board during early start up"
|
2018-10-02 08:43:28 +00:00
|
|
|
default y if ARC || ARM || M68K || MIPS || PPC || SANDBOX || XTENSA
|
2016-10-12 01:33:46 +00:00
|
|
|
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.
|
|
|
|
|
|
2018-03-28 12:38:17 +00:00
|
|
|
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.
|
|
|
|
|
|
2017-01-23 20:31:19 +00:00
|
|
|
menu "Start-up hooks"
|
|
|
|
|
|
2022-09-02 11:57:48 +00:00
|
|
|
config CYCLIC
|
|
|
|
|
bool "General-purpose cyclic execution mechanism"
|
|
|
|
|
help
|
|
|
|
|
This enables a general-purpose cyclic execution infrastructure,
|
|
|
|
|
to allow "small" (run-time wise) functions to be executed at
|
|
|
|
|
a specified frequency. Things like LED blinking or watchdog
|
|
|
|
|
triggering are examples for such tasks.
|
|
|
|
|
|
|
|
|
|
if CYCLIC
|
|
|
|
|
|
|
|
|
|
config CYCLIC_MAX_CPU_TIME_US
|
|
|
|
|
int "Sets the max allowed time for a cyclic function in us"
|
|
|
|
|
default 1000
|
|
|
|
|
help
|
|
|
|
|
The max allowed time for a cyclic function in us. If a functions
|
|
|
|
|
takes longer than this duration this function will get unregistered
|
|
|
|
|
automatically.
|
|
|
|
|
|
|
|
|
|
endif # CYCLIC
|
|
|
|
|
|
2022-03-04 15:43:00 +00:00
|
|
|
config EVENT
|
2023-01-16 20:46:49 +00:00
|
|
|
bool
|
2022-03-04 15:43:00 +00:00
|
|
|
help
|
2023-01-16 20:46:49 +00:00
|
|
|
This adds a framework for general purpose sending and processing of
|
|
|
|
|
events, to allow interested parties to be alerted when something
|
|
|
|
|
happens. This is an attempt to stem the flow of weak functions,
|
|
|
|
|
hooks, functions in board_f.c and board_r.c and the Kconfig options
|
|
|
|
|
below.
|
2022-03-04 15:43:00 +00:00
|
|
|
|
|
|
|
|
See doc/develop/event.rst for more information.
|
|
|
|
|
|
|
|
|
|
if EVENT
|
|
|
|
|
|
|
|
|
|
config EVENT_DYNAMIC
|
2023-01-16 20:46:49 +00:00
|
|
|
bool
|
2022-03-04 15:43:00 +00:00
|
|
|
help
|
|
|
|
|
Enable this to support adding an event spy at runtime, without adding
|
2023-01-16 20:46:49 +00:00
|
|
|
it to the EVENT_SPY() linker list. This increases code size slightly
|
2022-03-04 15:43:00 +00:00
|
|
|
but provides more flexibility for boards and subsystems that need it.
|
|
|
|
|
|
|
|
|
|
config EVENT_DEBUG
|
|
|
|
|
bool "Enable event debugging assistance"
|
|
|
|
|
default y if SANDBOX
|
|
|
|
|
help
|
|
|
|
|
Enable this get usefui features for seeing what is happening with
|
|
|
|
|
events, such as event-type names. This adds to the code size of
|
|
|
|
|
U-Boot so can be turned off for production builds.
|
|
|
|
|
|
|
|
|
|
endif # EVENT
|
|
|
|
|
|
2017-01-23 20:31:19 +00:00
|
|
|
config ARCH_EARLY_INIT_R
|
2023-02-16 03:36:51 +00:00
|
|
|
bool
|
2017-01-23 20:31:19 +00:00
|
|
|
help
|
|
|
|
|
With this option U-Boot will call arch_early_init_r() soon after
|
|
|
|
|
relocation. Driver model is running by this point, and the cache
|
|
|
|
|
is on. Note that board_early_init_r() is called first, if
|
|
|
|
|
enabled. This can be used to set up architecture-specific devices.
|
|
|
|
|
|
2017-01-23 20:31:21 +00:00
|
|
|
config ARCH_MISC_INIT
|
|
|
|
|
bool "Call arch-specific init after relocation, when console is ready"
|
|
|
|
|
help
|
|
|
|
|
With this option U-Boot will call arch_misc_init() after
|
|
|
|
|
relocation to allow miscellaneous arch-dependent initialisation
|
|
|
|
|
to be performed. This function should be defined by the board
|
2019-01-11 02:30:50 +00:00
|
|
|
and will be called after the console is set up, after relocation.
|
2017-01-23 20:31:21 +00:00
|
|
|
|
2017-01-23 20:31:20 +00:00
|
|
|
config BOARD_EARLY_INIT_F
|
|
|
|
|
bool "Call board-specific init before relocation"
|
|
|
|
|
help
|
|
|
|
|
Some boards need to perform initialisation as soon as possible
|
|
|
|
|
after boot. With this option, U-Boot calls board_early_init_f()
|
|
|
|
|
after driver model is ready in the pre-relocation init sequence.
|
|
|
|
|
Note that the normal serial console is not yet set up, but the
|
|
|
|
|
debug UART will be available if enabled.
|
|
|
|
|
|
2018-03-28 12:38:15 +00:00
|
|
|
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.
|
|
|
|
|
|
2022-02-25 16:19:47 +00:00
|
|
|
config BOARD_POSTCLK_INIT
|
|
|
|
|
bool "Call board_postclk_init"
|
|
|
|
|
help
|
|
|
|
|
Some boards need this to initialize select items, after clocks /
|
|
|
|
|
timebase and before env / serial.
|
|
|
|
|
|
2020-09-11 02:21:23 +00:00
|
|
|
config BOARD_LATE_INIT
|
|
|
|
|
bool "Execute Board late init"
|
|
|
|
|
help
|
|
|
|
|
Sometimes board require some initialization code that might
|
|
|
|
|
require once the actual init done, example saving board specific env,
|
|
|
|
|
boot-modes etc. which eventually done at late.
|
|
|
|
|
|
|
|
|
|
So this config enable the late init code with the help of board_late_init
|
|
|
|
|
function which should defined on respective boards.
|
|
|
|
|
|
2022-03-23 21:20:08 +00:00
|
|
|
config CLOCKS
|
|
|
|
|
bool "Call set_cpu_clk_info"
|
|
|
|
|
depends on ARM
|
|
|
|
|
|
2022-11-19 23:45:16 +00:00
|
|
|
config HWCONFIG
|
|
|
|
|
bool "hwconfig infrastructure"
|
|
|
|
|
default y if PPC || ARCH_LS1021A || FSL_LSCH2 || FSL_LSCH3
|
|
|
|
|
|
2021-12-13 03:12:34 +00:00
|
|
|
config SYS_FSL_CLK
|
|
|
|
|
bool
|
|
|
|
|
depends on ARCH_LS1021A || FSL_LSCH2 || FSL_LSCH3 || \
|
|
|
|
|
(FSL_ESDHC_IMX && (ARCH_MX5 || ARCH_MX6 || ARCH_MX7))
|
|
|
|
|
default y
|
|
|
|
|
help
|
|
|
|
|
Enable to call get_clocks() in board_init_f() for platforms other
|
|
|
|
|
than PowerPC or M68k. This is a legacy option. If not TARGET_BRPPT2
|
|
|
|
|
|
2018-03-28 12:38:16 +00:00
|
|
|
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.
|
|
|
|
|
|
2020-09-11 02:21:23 +00:00
|
|
|
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
|
|
|
|
|
|
2022-05-12 20:45:08 +00:00
|
|
|
config SYS_MALLOC_BOOTPARAMS
|
|
|
|
|
bool "Malloc a buffer to use for bootparams"
|
|
|
|
|
help
|
|
|
|
|
In some cases rather than using a known location to store the
|
|
|
|
|
bi_boot_params portion of gd we need to allocate it from our malloc pool.
|
|
|
|
|
|
|
|
|
|
config SYS_BOOTPARAMS_LEN
|
|
|
|
|
hex "Size of the bootparam buffer to malloc in bytes"
|
|
|
|
|
depends on SYS_MALLOC_BOOTPARAMS
|
|
|
|
|
default 0x20000 if MIPS || RCAR_GEN3
|
|
|
|
|
default 0x10000
|
|
|
|
|
|
2021-08-17 21:59:41 +00:00
|
|
|
config ID_EEPROM
|
|
|
|
|
bool "Enable I2C connected system identifier EEPROM"
|
|
|
|
|
help
|
|
|
|
|
A number of different systems and vendors enable a vendor-specified
|
|
|
|
|
EEPROM that contains various identifying features.
|
|
|
|
|
|
2022-08-10 14:29:27 +00:00
|
|
|
config SYS_EEPROM_BUS_NUM
|
|
|
|
|
int "I2C bus number of the system identifier EEPROM"
|
|
|
|
|
depends on ID_EEPROM
|
|
|
|
|
default 0
|
|
|
|
|
|
|
|
|
|
choice
|
|
|
|
|
prompt "EEPROM starts with 'CCID' or 'NXID'"
|
|
|
|
|
depends on ID_EEPROM && (PPC || ARCH_LS1021A || FSL_LAYERSCAPE)
|
|
|
|
|
default SYS_I2C_EEPROM_NXID
|
|
|
|
|
help
|
|
|
|
|
Specify if the Freescale / NXP ID EEPROM starts with 'CCID' or 'NXID'
|
|
|
|
|
ASCII literal string.
|
|
|
|
|
|
|
|
|
|
config SYS_I2C_EEPROM_CCID
|
|
|
|
|
bool "EEPROM starts with 'CCID'"
|
|
|
|
|
|
|
|
|
|
config SYS_I2C_EEPROM_NXID
|
|
|
|
|
bool "EEPROM starts with 'NXID'"
|
|
|
|
|
|
|
|
|
|
endchoice
|
|
|
|
|
|
2020-05-06 17:38:44 +00:00
|
|
|
config PCI_INIT_R
|
|
|
|
|
bool "Enumerate PCI buses during init"
|
|
|
|
|
depends on 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.
|
|
|
|
|
|
2022-03-18 12:38:20 +00:00
|
|
|
config RESET_PHY_R
|
|
|
|
|
bool "Reset ethernet PHY during init"
|
|
|
|
|
help
|
|
|
|
|
Implement reset_phy() in board code if required to reset the ethernet
|
|
|
|
|
PHY.
|
|
|
|
|
|
2017-01-23 20:31:19 +00:00
|
|
|
endmenu
|
|
|
|
|
|
2020-09-11 02:21:22 +00:00
|
|
|
endmenu # Init options
|
|
|
|
|
|
2017-05-17 15:05:34 +00:00
|
|
|
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.
|
|
|
|
|
|
2018-07-17 11:33:25 +00:00
|
|
|
config AVB_VERIFY
|
|
|
|
|
bool "Build Android Verified Boot operations"
|
2020-08-11 14:46:03 +00:00
|
|
|
depends on LIBAVB
|
2021-01-25 11:17:57 +00:00
|
|
|
depends on MMC
|
2018-08-14 00:43:05 +00:00
|
|
|
depends on PARTITION_UUIDS
|
2018-07-17 11:33:25 +00:00
|
|
|
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.
|
|
|
|
|
|
2020-08-11 14:46:03 +00:00
|
|
|
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
|
|
|
|
|
|
2021-02-14 15:27:23 +00:00
|
|
|
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.
|
|
|
|
|
|
2018-11-06 22:21:28 +00:00
|
|
|
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.
|
|
|
|
|
|
2021-04-11 09:21:58 +00:00
|
|
|
config STACKPROTECTOR
|
|
|
|
|
bool "Stack Protector buffer overflow detection"
|
|
|
|
|
help
|
|
|
|
|
Enable stack smash detection through compiler's stack-protector
|
|
|
|
|
canary logic
|
|
|
|
|
|
|
|
|
|
config SPL_STACKPROTECTOR
|
|
|
|
|
bool "Stack Protector buffer overflow detection for SPL"
|
|
|
|
|
depends on STACKPROTECTOR && SPL
|
|
|
|
|
|
|
|
|
|
config TPL_STACKPROTECTOR
|
|
|
|
|
bool "Stack Protector buffer overflow detection for TPL"
|
|
|
|
|
depends on STACKPROTECTOR && TPL
|
|
|
|
|
|
fdt_support: add optional board_rng_seed() hook
A recurring theme on LKML is the boot process deadlocking due to some
process blocking waiting for random numbers, while the kernel's
Cryptographic Random Number Generator (crng) is not initalized yet,
but that very blocking means no activity happens that would generate
the entropy necessary to finalize seeding the crng.
This is not a problem on boards that have a good hwrng (when the
kernel is configured to trust it), whether in the CPU or in a TPM or
elsewhere. However, that's far from all boards out there. Moreover,
there are consumers in the kernel that try to obtain random numbers
very early, before the kernel has had any chance to initialize any
hwrng or other peripherals.
Allow a board to provide a board_rng_seed() function, which is
responsible for providing a value to be put into the rng-seed property
under the /chosen node.
The board code is responsible for how to actually obtain those
bytes.
- One possibility is for the board to load a seed "file" from
somewhere (it need not be a file in a filesystem of course), and
then ensure that that the same seed file does not get used on
subsequent boots.
* One way to do that is to delete the file, or otherwise mark it as
invalid, then rely on userspace to create a new one, and living
with the possibility of not finding a seed file during some boots.
* Another is to use the scheme used by systemd-boot and create a new
seed file immediately, but in a way that the seed passed to the
kernel and the new (i.e. next) seed cannot be deduced from each
other, see the explanation at
https://lore.kernel.org/lkml/20190929090512.GB13049@gardel-login/
and the current code at
https://github.com/systemd/systemd/blob/main/src/boot/efi/random-seed.c
- The board may have an hwrng from which some bytes can be read; while
the kernel can also do that, doing it in U-Boot and providing a seed
ensures that even very early users in the kernel get good random
numbers.
- If the board has a sensor of some sort (temperature, humidity, GPS,
RTC, whatever), mixing in a reading of that doesn't hurt.
- etc. etc.
These can of course be combined.
The rng-seed property is mixed into the pool used by the linux
kernel's CRNG very early during boot. Whether it then actually
contributes towards the kernel considering the CRNG initialized
depends on whether the kernel has been configured with
CONFIG_RANDOM_TRUST_BOOTLOADER (nowadays overridable via the
random.trust_bootloader command line option). But that's for the BSP
developer to ultimately decide.
So, if the board needs to have all that logic, why not also just have
it do the actual population of /chosen/rng-seed in ft_board_setup(),
which is not that many extra lines of code?
I considered that, but decided handling this logically belongs in
fdt_chosen(). Also, apart from saving the board code from the few
lines of boilerplate, doing it in ft_board_setup() is too late for at
least some use cases. For example, I want to allow the board logic to
decide
ok, let's pass back this buffer and use that as seed, but also let's
set random.trust_bootloader=n so no entropy is credited.
This requires the rng-seed handling to happen before bootargs
handling. For example, during the very first boot, the board might not
have a proper seed file, but the board could still return (a hash of)
some CPU serial# or whatnot, so that at least no two boards ever get
the same seed - the kernel always mixes in the value passed in
rng-seed, but if it is not "trusted", the kernel would still go
through the same motions as it would if no rng-seed was passed before
considering its CRNG initialized. I.e., by returning that
unique-to-this-board value and setting random.trust_bootloader=n, the
board would be no worse off than if board_rng_seed() returned nothing
at all.
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
2022-08-22 07:34:23 +00:00
|
|
|
config BOARD_RNG_SEED
|
|
|
|
|
bool "Provide /chosen/rng-seed property to the linux kernel"
|
|
|
|
|
help
|
|
|
|
|
Selecting this option requires the board to define a
|
|
|
|
|
board_rng_seed() function, which should return a buffer
|
|
|
|
|
which will be used to populate the /chosen/rng-seed property
|
|
|
|
|
in the device tree for the OS being booted.
|
|
|
|
|
|
|
|
|
|
It is up to the board code (and more generally the whole
|
|
|
|
|
BSP) where and how to store (or generate) such a seed, how
|
|
|
|
|
to ensure a given seed is only used once, how to create a
|
|
|
|
|
new seed for use on subsequent boots, and whether or not the
|
|
|
|
|
kernel should account any entropy from the given seed.
|
|
|
|
|
|
2017-05-17 15:05:34 +00:00
|
|
|
endmenu
|
|
|
|
|
|
2018-02-10 15:22:06 +00:00
|
|
|
menu "Update support"
|
|
|
|
|
|
2020-10-29 04:47:43 +00:00
|
|
|
config UPDATE_COMMON
|
|
|
|
|
bool
|
|
|
|
|
select DFU_WRITE_ALT
|
|
|
|
|
|
2018-02-10 15:22:06 +00:00
|
|
|
config UPDATE_TFTP
|
|
|
|
|
bool "Auto-update using fitImage via TFTP"
|
2023-01-10 16:19:36 +00:00
|
|
|
depends on FIT && OF_LIBFDT && !MTD_NOR_FLASH
|
2020-10-29 04:47:43 +00:00
|
|
|
select UPDATE_COMMON
|
2018-02-10 15:22:06 +00:00
|
|
|
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
|
2023-01-10 16:19:36 +00:00
|
|
|
depends on UPDATE_TFTP || DFU_TFTP
|
2018-02-10 15:22:06 +00:00
|
|
|
|
|
|
|
|
config UPDATE_TFTP_MSEC_MAX
|
|
|
|
|
int "Delay in mSec to wait for the TFTP server during auto-update"
|
|
|
|
|
default 100
|
2023-01-10 16:19:36 +00:00
|
|
|
depends on UPDATE_TFTP || DFU_TFTP
|
|
|
|
|
|
|
|
|
|
config UPDATE_LOAD_ADDR
|
|
|
|
|
hex "Address in memory to load the update to"
|
|
|
|
|
depends on UPDATE_TFTP || DFU_TFTP
|
|
|
|
|
default 0x100000
|
|
|
|
|
help
|
|
|
|
|
This option defines the location in memory to be used to load the
|
|
|
|
|
update to, if 'loadaddr' is not set in the environment.
|
2018-02-10 15:22:06 +00:00
|
|
|
|
2020-10-29 04:47:43 +00:00
|
|
|
config UPDATE_FIT
|
|
|
|
|
bool "Firmware update using fitImage"
|
2023-01-10 16:19:36 +00:00
|
|
|
depends on FIT && OF_LIBFDT
|
2020-10-29 04:47:43 +00:00
|
|
|
depends on DFU
|
|
|
|
|
select UPDATE_COMMON
|
|
|
|
|
help
|
|
|
|
|
This option allows performing update of DFU-capable storage with
|
|
|
|
|
data in fitImage.
|
|
|
|
|
|
2019-07-05 12:37:32 +00:00
|
|
|
config ANDROID_AB
|
|
|
|
|
bool "Android A/B updates"
|
|
|
|
|
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.
|
|
|
|
|
|
2018-02-10 15:22:06 +00:00
|
|
|
endmenu
|
|
|
|
|
|
2018-11-16 01:43:50 +00:00
|
|
|
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
|
2022-01-13 02:26:21 +00:00
|
|
|
through to the next phase of the boot.
|
2018-11-16 01:43:50 +00:00
|
|
|
|
|
|
|
|
config SPL_BLOBLIST
|
|
|
|
|
bool "Support for a bloblist in SPL"
|
2022-04-30 06:56:48 +00:00
|
|
|
depends on BLOBLIST && SPL_LIBGENERIC_SUPPORT && SPL_LIBCOMMON_SUPPORT
|
2018-11-16 01:43:50 +00:00
|
|
|
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"
|
2022-04-30 06:56:48 +00:00
|
|
|
depends on BLOBLIST && TPL_LIBGENERIC_SUPPORT && TPL_LIBCOMMON_SUPPORT
|
2018-11-16 01:43:50 +00:00
|
|
|
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.
|
2022-04-30 06:56:53 +00:00
|
|
|
|
|
|
|
|
config VPL_BLOBLIST
|
|
|
|
|
bool "Support for a bloblist in VPL"
|
|
|
|
|
depends on BLOBLIST && VPL_LIBGENERIC_SUPPORT && VPL_LIBCOMMON_SUPPORT
|
|
|
|
|
default y if VPL
|
|
|
|
|
help
|
|
|
|
|
This enables a bloblist in VPL. The bloblist is set up in VPL and
|
|
|
|
|
passed to SPL and U-Boot proper.
|
2018-11-16 01:43:50 +00:00
|
|
|
|
2021-11-04 03:09:20 +00:00
|
|
|
if BLOBLIST
|
|
|
|
|
|
2022-01-13 02:26:22 +00:00
|
|
|
choice
|
|
|
|
|
prompt "Bloblist location"
|
2018-11-16 01:43:50 +00:00
|
|
|
help
|
2022-01-13 02:26:22 +00:00
|
|
|
Select the location of the bloblist, via various means.
|
|
|
|
|
|
|
|
|
|
config BLOBLIST_FIXED
|
|
|
|
|
bool "Place bloblist at a fixed address in memory"
|
|
|
|
|
help
|
|
|
|
|
Select this to used a fixed memory address for the bloblist. If the
|
|
|
|
|
bloblist exists at this address from a previous phase, it used as is.
|
|
|
|
|
If not it is created at this address in U-Boot.
|
2018-11-16 01:43:50 +00:00
|
|
|
|
2021-11-04 03:09:20 +00:00
|
|
|
config BLOBLIST_ALLOC
|
|
|
|
|
bool "Allocate bloblist"
|
|
|
|
|
help
|
|
|
|
|
Allocate the bloblist using malloc(). This avoids the need to
|
|
|
|
|
specify a fixed address on systems where this is unknown or can
|
|
|
|
|
change at runtime.
|
|
|
|
|
|
2022-01-13 02:26:22 +00:00
|
|
|
endchoice
|
|
|
|
|
|
2018-11-16 01:43:50 +00:00
|
|
|
config BLOBLIST_ADDR
|
|
|
|
|
hex "Address of bloblist"
|
2021-07-05 22:32:48 +00:00
|
|
|
default 0xc000 if SANDBOX
|
2022-01-13 02:26:22 +00:00
|
|
|
depends on BLOBLIST_FIXED
|
2018-11-16 01:43:50 +00:00
|
|
|
help
|
|
|
|
|
Sets the address of the bloblist, set up by the first part of U-Boot
|
2022-01-13 02:26:21 +00:00
|
|
|
which runs. Subsequent U-Boot phases typically use the same address.
|
2018-11-16 01:43:50 +00:00
|
|
|
|
2021-11-04 03:09:20 +00:00
|
|
|
This is not used if BLOBLIST_ALLOC is selected.
|
|
|
|
|
|
2022-01-13 02:26:22 +00:00
|
|
|
config BLOBLIST_SIZE
|
|
|
|
|
hex "Size of 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 phases.
|
|
|
|
|
|
2021-01-14 03:29:43 +00:00
|
|
|
config BLOBLIST_SIZE_RELOC
|
|
|
|
|
hex "Size of bloblist after relocation"
|
2022-01-13 02:26:22 +00:00
|
|
|
default BLOBLIST_SIZE if BLOBLIST_FIXED || BLOBLIST_ALLOC
|
|
|
|
|
default 0 if BLOBLIST_PASSAGE
|
2021-01-14 03:29:43 +00:00
|
|
|
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.
|
|
|
|
|
|
2021-11-04 03:09:20 +00:00
|
|
|
endif # BLOBLIST
|
|
|
|
|
|
2022-01-13 02:26:22 +00:00
|
|
|
if SPL_BLOBLIST
|
|
|
|
|
|
|
|
|
|
choice
|
|
|
|
|
prompt "Bloblist location in SPL"
|
|
|
|
|
help
|
|
|
|
|
Select the location of the bloblist, via various means. Typically
|
|
|
|
|
you should use the same value for SPL as for U-Boot, since they need
|
|
|
|
|
to look in the same place. But if BLOBLIST_ALLOC is used, then a
|
|
|
|
|
fresh bloblist will be created each time, since there is no shared
|
|
|
|
|
address (between phases) for the bloblist.
|
|
|
|
|
|
|
|
|
|
config SPL_BLOBLIST_FIXED
|
|
|
|
|
bool "Place bloblist at a fixed address in memory"
|
|
|
|
|
help
|
|
|
|
|
Select this to used a fixed memory address for the bloblist. If the
|
|
|
|
|
bloblist exists at this address from a previous phase, it used as is.
|
|
|
|
|
If not it is created at this address in SPL.
|
|
|
|
|
|
|
|
|
|
config SPL_BLOBLIST_ALLOC
|
|
|
|
|
bool "Allocate bloblist"
|
|
|
|
|
help
|
|
|
|
|
Allocate the bloblist using malloc(). This avoids the need to
|
|
|
|
|
specify a fixed address on systems where this is unknown or can
|
|
|
|
|
change at runtime.
|
|
|
|
|
|
|
|
|
|
endchoice
|
|
|
|
|
|
|
|
|
|
endif # SPL_BLOBLIST
|
|
|
|
|
|
|
|
|
|
if TPL_BLOBLIST
|
|
|
|
|
|
|
|
|
|
choice
|
|
|
|
|
prompt "Bloblist location in TPL"
|
|
|
|
|
help
|
|
|
|
|
Select the location of the bloblist, via various means. Typically
|
|
|
|
|
you should use the same value for SPL as for U-Boot, since they need
|
|
|
|
|
to look in the same place. But if BLOBLIST_ALLOC is used, then a
|
|
|
|
|
fresh bloblist will be created each time, since there is no shared
|
|
|
|
|
address (between phases) for the bloblist.
|
|
|
|
|
|
|
|
|
|
config TPL_BLOBLIST_FIXED
|
|
|
|
|
bool "Place bloblist at a fixed address in memory"
|
|
|
|
|
help
|
|
|
|
|
Select this to used a fixed memory address for the bloblist. If the
|
|
|
|
|
bloblist exists at this address from a previous phase, it used as is.
|
|
|
|
|
If not it is created at this address in TPL.
|
|
|
|
|
|
|
|
|
|
config TPL_BLOBLIST_ALLOC
|
|
|
|
|
bool "Allocate bloblist"
|
|
|
|
|
help
|
|
|
|
|
Allocate the bloblist using malloc(). This avoids the need to
|
|
|
|
|
specify a fixed address on systems where this is unknown or can
|
|
|
|
|
change at runtime.
|
|
|
|
|
|
|
|
|
|
endchoice
|
|
|
|
|
|
|
|
|
|
endif # TPL_BLOBLIST
|
|
|
|
|
|
2018-11-16 01:43:50 +00:00
|
|
|
endmenu
|
|
|
|
|
|
2016-09-13 05:18:22 +00:00
|
|
|
source "common/spl/Kconfig"
|
2020-02-21 06:12:55 +00:00
|
|
|
|
|
|
|
|
config IMAGE_SIGN_INFO
|
|
|
|
|
bool
|
|
|
|
|
select SHA1
|
|
|
|
|
select SHA256
|
|
|
|
|
help
|
|
|
|
|
Enable image_sign_info helper functions.
|
2020-04-15 16:46:21 +00:00
|
|
|
|
|
|
|
|
if IMAGE_SIGN_INFO
|
|
|
|
|
|
|
|
|
|
config SPL_IMAGE_SIGN_INFO
|
|
|
|
|
bool
|
|
|
|
|
select SHA1
|
|
|
|
|
select SHA256
|
|
|
|
|
help
|
|
|
|
|
Enable image_sign_info helper functions in SPL.
|
|
|
|
|
|
2022-10-21 00:23:16 +00:00
|
|
|
config VPL_IMAGE_SIGN_INFO
|
|
|
|
|
bool
|
|
|
|
|
select SHA1
|
|
|
|
|
select SHA256
|
|
|
|
|
help
|
|
|
|
|
Enable image_sign_info helper functions in SPL.
|
|
|
|
|
|
2020-04-15 16:46:21 +00:00
|
|
|
endif
|
2021-11-15 15:32:17 +00:00
|
|
|
|
|
|
|
|
config FDT_SIMPLEFB
|
|
|
|
|
bool "FDT tools for simplefb support"
|
|
|
|
|
depends on OF_LIBFDT
|
|
|
|
|
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
|
2022-11-19 23:45:23 +00:00
|
|
|
|
|
|
|
|
config IO_TRACE
|
|
|
|
|
bool
|
2022-09-09 09:45:23 +00:00
|
|
|
|
|
|
|
|
config USB_HUB_DEBOUNCE_TIMEOUT
|
|
|
|
|
int "Timeout in milliseconds for USB HUB connection"
|
|
|
|
|
depends on USB
|
|
|
|
|
default 1000
|
|
|
|
|
help
|
|
|
|
|
Value in milliseconds of the USB connection timeout, the max delay to
|
|
|
|
|
wait the hub port status to be connected steadily after being powered
|
|
|
|
|
off and powered on in the usb hub driver.
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This define allows to increase the HUB_DEBOUNCE_TIMEOUT default
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value = 1s because some usb device needs around 1.5s to be initialized
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and a 2s value should solve detection issue on problematic USB keys.
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