1. "loadables" images, other than FDTs, which do not have a "load"
property will not be loaded. This limitation also applies to FPGA
images with the correct "compatible" string.
- 2. For FPGA images, only the "compatible" = "u-boot,fpga-legacy"
- loading method is supported.
+ 2. For FPGA images, the supported "compatible" list is in the
+ doc/uImage.FIT/source_file_format.txt.
3. FDTs are only loaded for images with an "os" property of "u-boot".
"linux" images are also supported with Falcon boot mode.
endif # SPL
+if VPL
+
+config VPL_FIT
+ bool "Support Flattened Image Tree within VPL"
+ depends on VPL
+ default y
+ select VPL_HASH
+ select VPL_OF_LIBFDT
+
+config VPL_FIT_PRINT
+ bool "Support FIT printing within VPL"
+ depends on VPL_FIT
+ default y
+ help
+ Support printing the content of the fitImage in a verbose manner in VPL.
+
+config VPL_FIT_FULL_CHECK
+ bool "Do a full check of the FIT before using it"
+ default y
+ help
+ Enable this do a full check of the FIT to make sure it is valid. This
+ helps to protect against carefully crafted FITs which take advantage
+ of bugs or omissions in the code. This includes a bad structure,
+ multiple root nodes and the like.
+
+config VPL_FIT_SIGNATURE
+ bool "Enable signature verification of FIT firmware within VPL"
+ depends on VPL_DM
+ default y
+ select FIT_SIGNATURE
+ select VPL_FIT
+ select VPL_CRYPTO
+ select VPL_HASH
+ imply VPL_RSA
+ imply VPL_RSA_VERIFY
+ select VPL_IMAGE_SIGN_INFO
+ select VPL_FIT_FULL_CHECK
+
+config VPL_FIT_SIGNATURE_MAX_SIZE
+ hex "Max size of signed FIT structures in VPL"
+ depends on VPL_FIT_SIGNATURE
+ default 0x10000000
+ help
+ This option sets a max size in bytes for verified FIT uImages.
+ A sane value of 256MB protects corrupted DTB structures from overlapping
+ device memory. Assure this size does not extend past expected storage
+ space.
+
+endif # VPL
+
endif # FIT
+config PXE_UTILS
+ bool
+ select MENU
+ help
+ Utilities for parsing PXE file formats.
+
config BOOTSTD
bool "Standard boot support"
default y
- support for selecting the ordering of bootdevs using the devicetree
as well as the "boot_targets" environment variable
+config SPL_BOOTSTD
+ bool "Standard boot support in VPL"
+ depends on SPL && SPL_DM && SPL_OF_CONTROL && SPL_BLK
+ default y if VPL
+ help
+ This enables standard boot in SPL. This is neeeded so that VBE
+ (Verified Boot for Embedded) can be used, since it depends on standard
+ boot. It is enabled by default since the main purpose of VPL is to
+ handle the firmware part of VBE.
+
+config VPL_BOOTSTD
+ bool "Standard boot support in VPL"
+ depends on VPL && VPL_DM && VPL_OF_CONTROL && VPL_BLK
+ default y
+ help
+ This enables standard boot in SPL. This is neeeded so that VBE
+ (Verified Boot for Embedded) can be used, since it depends on standard
+ boot. It is enabled by default since the main purpose of VPL is to
+ handle the firmware part of VBE.
+
if BOOTSTD
config BOOTSTD_BOOTCOMMAND
standard boot does not support all of the features of distro boot
yet.
+config BOOTMETH_GLOBAL
+ bool
+ help
+ Add support for global bootmeths. This feature is used by VBE and
+ EFI bootmgr, since they take full control over which bootdevs are
+ selected to boot.
+
config BOOTMETH_DISTRO
bool "Bootdev support for distro boot"
- depends on CMD_PXE
+ select PXE_UTILS
default y
help
Enables support for distro boot using bootdevs. This makes the
This provides a way to try out standard boot on an existing boot flow.
+config BOOTMETH_VBE
+ bool "Bootdev support for Verified Boot for Embedded"
+ depends on FIT
+ default y
+ select BOOTMETH_GLOBAL
+ help
+ Enables support for VBE boot. This is a standard boot method which
+ supports selection of various firmware components, seleciton of an OS to
+ boot as well as updating these using fwupd.
+
+config SPL_BOOTMETH_VBE
+ bool "Bootdev support for Verified Boot for Embedded (SPL)"
+ depends on SPL && FIT
+ default y if VPL
+ help
+ Enables support for VBE boot. This is a standard boot method which
+ supports selection of various firmware components, seleciton of an OS to
+ boot as well as updating these using fwupd.
+
+config VPL_BOOTMETH_VBE
+ bool "Bootdev support for Verified Boot for Embedded (VPL)"
+ depends on VPL && FIT
+ default y
+ help
+ Enables support for VBE boot. This is a standard boot method which
+ supports selection of various firmware components, seleciton of an OS to
+ boot as well as updating these using fwupd.
+
+if BOOTMETH_VBE
+
+config BOOTMETH_VBE_SIMPLE
+ bool "Bootdev support for VBE 'simple' method"
+ default y
+ help
+ Enables support for VBE 'simple' boot. This allows updating a single
+ firmware image in boot media such as MMC. It does not support any sort
+ of rollback, recovery or A/B boot.
+
+config BOOTMETH_VBE_SIMPLE_OS
+ bool "Bootdev support for VBE 'simple' method OS phase"
+ default y
+ help
+ Enables support for the OS parts of VBE 'simple' boot. This includes
+ fixing up the device tree with the required VBE information, ready
+ for booting into the OS. This option is only enabled for U-Boot
+ proper, since it is the phase where device tree fixups happen.
+
+config SPL_BOOTMETH_VBE_SIMPLE
+ bool "Bootdev support for VBE 'simple' method (SPL)"
+ depends on SPL
+ default y if VPL
+ help
+ Enables support for VBE 'simple' boot. This allows updating a single
+ firmware image in boot media such as MMC. It does not support any sort
+ of rollback, recovery or A/B boot.
+
+config VPL_BOOTMETH_VBE_SIMPLE
+ bool "Bootdev support for VBE 'simple' method (VPL)"
+ depends on VPL
+ default y
+ help
+ Enables support for VBE 'simple' boot. This allows updating a single
+ firmware image in boot media such as MMC. It does not support any sort
+ of rollback, recovery or A/B boot.
+
+config SPL_BOOTMETH_VBE_SIMPLE_FW
+ bool "Bootdev support for VBE 'simple' method firmware phase (SPL)"
+ depends on VPL
+ default y
+ help
+ Enables support for the firmware parts of VBE 'simple' boot. This
+ includes an SPL loader which locates the correct U-Boot to boot into.
+ This option should really only be enabled for VPL, since it is the
+ phase where the SPL + U-Boot decision should be made. But for now,
+ SPL does its own FIT-configuration selection.
+
+config VPL_BOOTMETH_VBE_SIMPLE_FW
+ bool "Bootdev support for VBE 'simple' method firmware phase (VPL)"
+ depends on VPL
+ default y
+ help
+ Enables support for the firmware parts of VBE 'simple' boot. This
+ includes an SPL loader which locates the correct SPL to boot into.
+ This option enabled for VPL, since it is the phase where the SPL
+ decision is made.
+
+endif # BOOTMETH_VBE
+
config BOOTMETH_SANDBOX
def_bool y
depends on SANDBOX
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 HAVE_SYS_TEXT_BASE
+config HAVE_TEXT_BASE
bool
depends on !NIOS2 && !XTENSA
depends on !EFI_APP
default y
-config SYS_TEXT_BASE
- depends on HAVE_SYS_TEXT_BASE
+config TEXT_BASE
+ depends on HAVE_TEXT_BASE
default 0x0 if POSITION_INDEPENDENT
default 0x80800000 if ARCH_OMAP2PLUS || ARCH_K3
default 0x81700000 if MACH_SUNIV
default 0x2a000000 if MACH_SUN9I
- default 0x42e00000 if MACH_SUN8I_V3S
- default 0x4a000000 if ARCH_SUNXI
+ default 0x4a000000 if SUNXI_MINIMUM_DRAM_MB >= 256
+ default 0x42e00000 if SUNXI_MINIMUM_DRAM_MB >= 64
hex "Text Base"
help
The address in memory that U-Boot will be running from, initially.
config HAVE_SYS_MONITOR_BASE
bool
depends on ARC || MIPS || M68K || NIOS2 || PPC || XTENSA || X86 \
- || FLASH_PIC32 || ENV_IS_IN_FLASH || MTD_NOR_FLASH
+ || ENV_IS_IN_FLASH || MTD_NOR_FLASH
depends on !EFI_APP
default y
config SYS_MONITOR_BASE
depends on HAVE_SYS_MONITOR_BASE
hex "Physical start address of boot monitor code"
- default SYS_TEXT_BASE
+ default TEXT_BASE
help
The physical start address of boot monitor code (which is the same as
- CONFIG_SYS_TEXT_BASE when linking) and the same as CONFIG_SYS_FLASH_BASE
+ CONFIG_TEXT_BASE when linking) and the same as CONFIG_SYS_FLASH_BASE
when booting from flash.
config SPL_SYS_MONITOR_BASE
distinguishing between booting Chrome OS in a basic way (developer
mode) and a full boot.
+config SYS_RAMBOOT
+ bool
+
config RAMBOOT_PBL
bool "Freescale PBL(pre-boot loader) image format support"
+ select SYS_RAMBOOT if PPC
help
Some SoCs use PBL to load RCW and/or pre-initialization instructions.
For more details refer to doc/README.pblimage
endchoice
+config FSL_FIXED_MMC_LOCATION
+ bool "PBL MMC is at a fixed location"
+ depends on SDCARD && !RAMBOOT_PBL
+
+config ESDHC_HC_BLK_ADDR
+ def_bool y
+ depends on FSL_FIXED_MMC_LOCATION && (ARCH_BSC9131 || ARCH_BSC9132 || ARCH_P1010)
+ help
+ In High Capacity SD Cards (> 2 GBytes), the 32-bit source address and
+ code length of these soc specify the memory address in block address
+ format. Block length is fixed to 512 bytes as per the SD High
+ Capacity specification.
+
config SYS_FSL_PBL_PBI
string "PBI(pre-boot instructions) commands for the PBL image"
depends on RAMBOOT_PBL
Enables addition of RCW (Power on reset configuration) in built image.
Please refer doc/README.pblimage for more details.
+config SYS_BOOT_RAMDISK_HIGH
+ depends on CMD_BOOTM || CMD_BOOTI || CMD_BOOTZ
+ depends on !(NIOS2 || SANDBOX || SH || XTENSA)
+ def_bool y
+ help
+ Enable initrd_high functionality. If defined then the initrd_high
+ feature is enabled and the boot* ramdisk subcommand is enabled.
+
endmenu # Boot images
menu "Boot timing"
config SPL_BOOTSTAGE
bool "Boot timing and reported in SPL"
- depends on BOOTSTAGE
+ depends on BOOTSTAGE && SPL
help
Enable recording of boot time in SPL. To make this visible to U-Boot
proper, enable BOOTSTAGE_STASH as well. This will stash the timing
config TPL_BOOTSTAGE
bool "Boot timing and reported in TPL"
- depends on BOOTSTAGE
+ depends on BOOTSTAGE && TPL
help
Enable recording of boot time in SPL. To make this visible to U-Boot
proper, enable BOOTSTAGE_STASH as well. This will stash the timing