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GeNan 提交于 2023-01-11 18:08 . init rk3588 uboot code
#
# For a description of the syntax of this configuration file,
# see the file Documentation/kbuild/kconfig-language.txt in the
# Linux kernel source tree.
#
mainmenu "U-Boot $UBOOTVERSION Configuration"
config UBOOTVERSION
string
option env="UBOOTVERSION"
# Allow defaults in arch-specific code to override any given here
source "arch/Kconfig"
menu "General setup"
config BROKEN
bool
help
This option cannot be enabled. It is used as dependency
for broken and incomplete features.
config LOCALVERSION
string "Local version - append to U-Boot release"
help
Append an extra string to the end of your U-Boot version.
This will show up in your boot log, for example.
The string you set here will be appended after the contents of
any files with a filename matching localversion* in your
object and source tree, in that order. Your total string can
be a maximum of 64 characters.
config LOCALVERSION_AUTO
bool "Automatically append version information to the version string"
default y
help
This will try to automatically determine if the current tree is a
release tree by looking for Git tags that belong to the current
top of tree revision.
A string of the format -gxxxxxxxx will be added to the localversion
if a Git-based tree is found. The string generated by this will be
appended after any matching localversion* files, and after the value
set in CONFIG_LOCALVERSION.
(The actual string used here is the first eight characters produced
by running the command:
$ git rev-parse --verify HEAD
which is done within the script "scripts/setlocalversion".)
config CC_OPTIMIZE_FOR_SIZE
bool "Optimize for size"
default y
help
Enabling this option will pass "-Os" instead of "-O2" to gcc
resulting in a smaller U-Boot image.
This option is enabled by default for U-Boot.
config DISTRO_DEFAULTS
bool "Select defaults suitable for booting general purpose Linux distributions"
default y if ARCH_SUNXI || TEGRA
default y if ARCH_LS2080A
default y if ARCH_MESON
default y if ARCH_ROCKCHIP
default n
select CMD_BOOTZ if ARM && !ARM64
select CMD_BOOTI if ARM64
select CMD_DHCP
imply CMD_PXE
select CMD_EXT2
select CMD_EXT4
select CMD_FAT
select CMD_FS_GENERIC
imply CMD_MII
select CMD_PING
select CMD_PART
select HUSH_PARSER
help
Select this to enable various options and commands which are suitable
for building u-boot for booting general purpose Linux distributions.
config SYS_MALLOC_F
bool "Enable malloc() pool before relocation"
default y if DM
help
Before relocation, memory is very limited on many platforms. Still,
we can provide a small malloc() pool if needed. Driver model in
particular needs this to operate, so that it can allocate the
initial serial device and any others that are needed.
config SYS_MALLOC_F_LEN
hex "Size of malloc() pool before relocation"
depends on SYS_MALLOC_F
default 0x400
help
Before relocation, memory is very limited on many platforms. Still,
we can provide a small malloc() pool if needed. Driver model in
particular needs this to operate, so that it can allocate the
initial serial device and any others that are needed.
config SPL_SYS_MALLOC_F_LEN
hex "Size of malloc() pool in SPL before relocation"
depends on SYS_MALLOC_F
default SYS_MALLOC_F_LEN
help
Before relocation, memory is very limited on many platforms. Still,
we can provide a small malloc() pool if needed. Driver model in
particular needs this to operate, so that it can allocate the
initial serial device and any others that are needed.
config TPL_SYS_MALLOC_F_LEN
hex "Size of malloc() pool in TPL before relocation"
depends on SYS_MALLOC_F
default SYS_MALLOC_F_LEN
help
Before relocation, memory is very limited on many platforms. Still,
we can provide a small malloc() pool if needed. Driver model in
particular needs this to operate, so that it can allocate the
initial serial device and any others that are needed.
menuconfig EXPERT
bool "Configure standard U-Boot features (expert users)"
default y
help
This option allows certain base U-Boot options and settings
to be disabled or tweaked. This is for specialized
environments which can tolerate a "non-standard" U-Boot.
Use this only if you really know what you are doing.
if EXPERT
config SYS_MALLOC_CLEAR_ON_INIT
bool "Init with zeros the memory reserved for malloc (slow)"
default y if !ARCH_ROCKCHIP
help
This setting is enabled by default. The reserved malloc
memory is initialized with zeros, so first malloc calls
will return the pointer to the zeroed memory. But this
slows the boot time.
It is recommended to disable it, when CONFIG_SYS_MALLOC_LEN
value, has more than few MiB, e.g. when uses bzip2 or bmp logo.
Then the boot time can be significantly reduced.
Warning:
When disabling this, please check if malloc calls, maybe
should be replaced by calloc - if one expects zeroed memory.
config TOOLS_DEBUG
bool "Enable debug information for tools"
help
Enable generation of debug information for tools such as mkimage.
This can be used for debugging purposes. With debug information
it is possible to set breakpoints on particular lines, single-step
debug through the source code, etc.
endif # EXPERT
config PHYS_64BIT
bool "64bit physical address support"
help
Say Y here to support 64bit physical memory address.
This can be used not only for 64bit SoCs, but also for
large physical address extention on 32bit SoCs.
endmenu # General setup
menu "Boot images"
config ANDROID_BOOT_IMAGE
bool "Enable support for Android Boot Images"
default y if FASTBOOT
help
This enables support for booting images which use the Android
image format header.
config FIT
bool "Support Flattened Image Tree"
help
This option allows you to boot the new uImage structure,
Flattened Image Tree. FIT is formally a FDT, which can include
images of various types (kernel, FDT blob, ramdisk, etc.)
in a single blob. To boot this new uImage structure,
pass the address of the blob to the "bootm" command.
FIT is very flexible, supporting compression, multiple images,
multiple configurations, verification through hashing and also
verified boot (secure boot using RSA).
if FIT
config FIT_ENABLE_SHA256_SUPPORT
bool "Support SHA256 checksum of FIT image contents"
select SHA256 if !DM_CRYPTO
default y
help
Enable this to support SHA256 checksum of FIT image contents. A
SHA256 checksum is a 256-bit (32-byte) hash value used to check that
the image contents have not been corrupted. SHA256 is recommended
for use in secure applications since (as at 2016) there is no known
feasible attack that could produce a 'collision' with differing
input data. Use this for the highest security. Note that only the
SHA256 variant is supported: SHA512 and others are not currently
supported in U-Boot.
config FIT_SIGNATURE
bool "Enable signature verification of FIT uImages"
depends on DM
select RSA
select CONSOLE_DISABLE_CLI
help
This option enables signature verification of FIT uImages,
using a hash signed and verified using RSA. If
CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive
hashing is available using hardware, then the RSA library will use
it. See doc/uImage.FIT/signature.txt for more details.
WARNING: When relying on signed FIT images with a required signature
check the legacy image format is disabled by default, so that
unsigned images cannot be loaded. If a board needs the legacy image
format support in this case, enable it using
CONFIG_IMAGE_FORMAT_LEGACY.
config FIT_ROLLBACK_PROTECT
bool "Enable rollback-index protection for FIT image"
depends on FIT_SIGNATURE
help
Enable rollback-index protection for FIT image
config FIT_ENABLE_RSASSA_PSS_SUPPORT
bool "Support rsassa-pss signature scheme of FIT image contents"
depends on FIT_SIGNATURE
default y
help
Enable this to support the pss padding algorithm as described
in the rfc8017 (https://tools.ietf.org/html/rfc8017).
config FIT_VERBOSE
bool "Show verbose messages when FIT images fail"
help
Generally a system will have valid FIT images so debug messages
are a waste of code space. If you are debugging your images then
you can enable this option to get more verbose information about
failures.
config FIT_BEST_MATCH
bool "Select the best match for the kernel device tree"
help
When no configuration is explicitly selected, default to the
one whose fdt's compatibility field best matches that of
U-Boot itself. A match is considered "best" if it matches the
most specific compatibility entry of U-Boot's fdt's root node.
The order of entries in the configuration's fdt is ignored.
config FIT_IMAGE_POST_PROCESS
bool "Enable post-processing of FIT artifacts after loading by U-Boot"
help
Allows doing any sort of manipulation to blobs after they got extracted
from FIT images like stripping off headers or modifying the size of the
blob, verification, authentication, decryption etc. in a platform or
board specific way. In order to use this feature a platform or board-
specific implementation of board_fit_image_post_process() must be
provided. Also, anything done during this post-processing step would
need to be comprehended in how the images were prepared before being
injected into the FIT creation (i.e. the blobs would have been pre-
processed before being added to the FIT image).
config FIT_HW_CRYPTO
bool "Enable hardware crypto for FIT image checksum and rsa verify"
depends on DM_CRYPTO
help
Enable hardware crypto for FIT image checksum and rsa verify.
config FIT_PRINT
bool "Enable fit image structure and data print"
default y
help
Say y here if you want to enable fit image structure and data
print.
if SPL
config SPL_FIT
bool "Support Flattened Image Tree within SPL"
depends on SPL
select SPL_OF_LIBFDT
config SPL_FIT_SIGNATURE
bool "Enable signature verification of FIT firmware within SPL"
depends on SPL_DM
select SPL_FIT
select SPL_RSA
config SPL_FIT_ROLLBACK_PROTECT
bool "Enable SPL rollback-index protection for FIT image"
depends on SPL_FIT_SIGNATURE
help
Enable SPL rollback-index protection for FIT image
config SPL_LOAD_FIT
bool "Enable SPL loading U-Boot as a FIT"
select SPL_FIT
help
Normally with the SPL framework a legacy image is generated as part
of the build. This contains U-Boot along with information as to
where it should be loaded. This option instead enables generation
of a FIT (Flat Image Tree) which provides more flexibility. In
particular it can handle selecting from multiple device tree
and passing the correct one to U-Boot.
config SPL_FIT_IMAGE_POST_PROCESS
bool "Enable post-processing of FIT artifacts after loading by the SPL"
depends on SPL_LOAD_FIT
help
Allows doing any sort of manipulation to blobs after they got extracted
from the U-Boot FIT image like stripping off headers or modifying the
size of the blob, verification, authentication, decryption etc. in a
platform or board specific way. In order to use this feature a platform
or board-specific implementation of board_fit_image_post_process() must
be provided. Also, anything done during this post-processing step would
need to be comprehended in how the images were prepared before being
injected into the FIT creation (i.e. the blobs would have been pre-
processed before being added to the FIT image).
config SPL_FIT_HW_CRYPTO
bool "Enable SPL hardware crypto for FIT image checksum and rsa verify"
depends on SPL_DM_CRYPTO
help
Enable SPL hardware crypto for FIT image checksum and rsa verify.
config SPL_SYS_DCACHE_OFF
bool "Disable SPL dcache"
default y
help
Disable SPL dcache. Please make sure CONFIG_SPL_SYS_MALLOC_F_LEN
is large enough to malloc TLB and bd_t buffer while enabling dcache.
config SPL_FIT_PRINT
bool "Enable fit image structure and data print in SPL"
default n
help
Say y here if you want to enable fit image structure and data
print in SPL.
endif # SPL
config SPL_FIT_SOURCE
string ".its source file for U-Boot FIT image"
depends on SPL_FIT || FIT
help
Specifies a (platform specific) FIT source file to generate the
U-Boot FIT image. This could specify further image to load and/or
execute.
config SPL_FIT_GENERATOR
string ".its file generator script for U-Boot FIT image"
depends on SPL_FIT || FIT
default "board/sunxi/mksunxi_fit_atf.sh" if SPL_LOAD_FIT && ARCH_SUNXI
help
Specifies a (platform specific) script file to generate the FIT
source file used to build the U-Boot FIT image file. This gets
passed a list of supported device tree file stub names to
include in the generated image.
config SPL_FIT_IMAGE_KB
int "SPL FIT image size in KiB"
depends on SPL_FIT || FIT
default 2048
help
SPL FIT image size in KiB, default 2048KB = 1024KB(u-boot) + 1024KB(tee/atf + others).
config SPL_FIT_IMAGE_MULTIPLE
int "SPL FIT image multiple number"
depends on SPL_FIT || FIT
default 2
help
SPL FIT image multiple number.
endif # FIT
config OF_BOARD_SETUP
bool "Set up board-specific details in device tree before boot"
depends on OF_LIBFDT
help
This causes U-Boot to call ft_board_setup() before booting into
the Operating System. This function can set up various
board-specific information in the device tree for use by the OS.
The device tree is then passed to the OS.
config OF_SYSTEM_SETUP
bool "Set up system-specific details in device tree before boot"
depends on OF_LIBFDT
help
This causes U-Boot to call ft_system_setup() before booting into
the Operating System. This function can set up various
system-specific information in the device tree for use by the OS.
The device tree is then passed to the OS.
config OF_STDOUT_VIA_ALIAS
bool "Update the device-tree stdout alias from U-Boot"
depends on OF_LIBFDT
help
This uses U-Boot's serial alias from the aliases node to update
the device tree passed to the OS. The "linux,stdout-path" property
in the chosen node is set to point to the correct serial node.
This option currently references CONFIG_CONS_INDEX, which is
incorrect when used with device tree as this option does not
exist / should not be used.
config SYS_EXTRA_OPTIONS
string "Extra Options (DEPRECATED)"
help
The old configuration infrastructure (= mkconfig + boards.cfg)
provided the extra options field. If you have something like
"HAS_BAR,BAZ=64", the optional options
#define CONFIG_HAS
#define CONFIG_BAZ 64
will be defined in include/config.h.
This option was prepared for the smooth migration from the old
configuration to Kconfig. Since this option will be removed sometime,
new boards should not use this option.
config SYS_TEXT_BASE
depends on ARC || X86 || ARCH_UNIPHIER || ARCH_ZYNQMP || \
(M68K && !TARGET_ASTRO_MCF5373L) || MICROBLAZE || MIPS || \
ARCH_ZYNQ || ARCH_KEYSTONE || ARCH_OMAP2PLUS
depends on !EFI_APP
hex "Text Base"
help
TODO: Move CONFIG_SYS_TEXT_BASE for all the architecture
default 0x80800000 if ARCH_OMAP2PLUS
config SYS_CLK_FREQ
depends on ARC || ARCH_SUNXI
int "CPU clock frequency"
help
TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture
config ARCH_FIXUP_FDT_MEMORY
bool "Enable arch_fixup_memory_banks() call"
default y
help
Enable FDT memory map syncup before OS boot. This feature can be
used for booting OS with different memory setup where the part of
the memory location should be used for different purpose.
endmenu # Boot images
source "api/Kconfig"
source "common/Kconfig"
source "cmd/Kconfig"
source "disk/Kconfig"
source "dts/Kconfig"
source "env/Kconfig"
source "net/Kconfig"
source "drivers/Kconfig"
source "fs/Kconfig"
source "lib/Kconfig"
source "test/Kconfig"
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