-menu "SPL / TPL"
+menu "SPL / TPL / VPL"
config SUPPORT_SPL
bool
config SUPPORT_TPL
bool
+config SUPPORT_VPL
+ bool
+
config SPL_DFU_NO_RESET
bool
of SRAM available for SPL when the stack required before reolcation
uses this SRAM, too.
+config SPL_MAX_SIZE
+ hex "Maximum size of the SPL image, excluding BSS"
+ default 0x30000 if ARCH_MX6 && MX6_OCRAM_256KB
+ default 0x1b000 if AM33XX && !TI_SECURE_DEVICE
+ default 0x10000 if ARCH_MX6 && !MX6_OCRAM_256KB
+ default 0x7fa0 if SUNXI_SRAM_ADDRESS = 0x10000
+ default 0x7fa0 if SUNXI_SRAM_ADDRESS = 0x20000 && !MACH_SUN50I_H616
+ default 0x7000 if RCAR_GEN3
+ default 0x5fa0 if SUNXI_SRAM_ADDRESS = 0x0
+ default 0x0
+ help
+ Maximum size of the SPL image (text, data, rodata, and linker lists
+ sections), BSS excluded. When defined, the linker checks that the
+ actual size does not exceed it.
+
+config SPL_PAD_TO
+ hex "Offset to which the SPL should be padded before appending the SPL payload"
+ default 0x31000 if ARCH_MX6 && MX6_OCRAM_256KB
+ default 0x11000 if ARCH_MX7 || (ARCH_MX6 && !MX6_OCRAM_256KB)
+ default 0x10000 if ARCH_KEYSTONE
+ default 0x8000 if ARCH_SUNXI && !MACH_SUN50I_H616
+ default TPL_MAX_SIZE if TPL_MAX_SIZE > SPL_MAX_SIZE
+ default SPL_MAX_SIZE
+ help
+ Image offset to which the SPL should be padded before appending the
+ SPL payload. By default, this is defined as CONFIG_SPL_MAX_SIZE, or 0 if
+ CONFIG_SPL_MAX_SIZE is undefined. CONFIG_SPL_PAD_TO must be either
+ 0, meaning to append the SPL payload without any padding, or >=
+ CONFIG_SPL_MAX_SIZE.
+
+config SPL_HAS_BSS_LINKER_SECTION
+ depends on SPL_FRAMEWORK
+ bool "Use a specific address for the BSS via the linker script"
+ default y if ARCH_SUNXI || ARCH_MX6 || ARCH_OMAP2PLUS || MIPS || RISCV
+
+config SPL_BSS_START_ADDR
+ hex "Link address for the BSS within the SPL binary"
+ depends on SPL_HAS_BSS_LINKER_SECTION
+ default 0x88200000 if (ARCH_MX6 && (MX6SX || MX6SL || MX6UL || MX6ULL)) || ARCH_MX7
+ default 0x18200000 if ARCH_MX6 && !(MX6SX || MX6SL || MX6UL || MX6ULL)
+ default 0x80a00000 if ARCH_OMAP2PLUS
+ default 0x81f80000 if ARCH_SUNXI && MACH_SUNIV
+ default 0x4ff80000 if ARCH_SUNXI && !(MACH_SUN9I || MACH_SUNIV)
+ default 0x2ff80000 if ARCH_SUNXI && MACH_SUN9I
+
+choice
+ prompt "Enforce SPL BSS limit"
+ depends on SPL && !PPC
+ default SPL_BSS_LIMIT
+ help
+ In some platforms we only want to enforce a limit on the size of the
+ BSS in memory. On other platforms we need to enforce a limit on the
+ whole of the memory allocation as we're strictly limited to a small
+ typically non-DRAM location. Finally, other platforms do not enforce
+ a memory limit within SPL.
+
+config SPL_NO_BSS_LIMIT
+ bool "Do not enforce a build time limit on the size of the BSS"
+
+config SPL_BSS_LIMIT
+ bool "Enforce a limit on the size of the BSS only"
+
+config SPL_FOOTPRINT_LIMIT
+ bool "Enforce a limit on the whole of memory allocated to SPL, BSS included"
+
+endchoice
+
+config SPL_BSS_MAX_SIZE
+ hex "Maximum size in memory allocated to the SPL BSS"
+ depends on SPL_BSS_LIMIT
+ default 0x100000 if ARCH_MX6 || RISCV
+ default 0x80000 if ARCH_OMAP2PLUS || ARCH_SUNXI
+ help
+ When non-zero, the linker checks that the actual memory used by SPL
+ from __bss_start to __bss_end does not exceed it.
+
+config SPL_MAX_FOOTPRINT
+ hex "Maximum size in memory allocated to the SPL, BSS included"
+ depends on SPL_FOOTPRINT_LIMIT
+ help
+ When non-zero, the linker checks that the actual memory used by SPL
+ from _start to __bss_end does not exceed it.
+
config SPL_SYS_STACK_F_CHECK_BYTE
hex
default 0xaa
This adds a small amount to SPL code size, perhaps 100 bytes.
+config SPL_BINMAN_SYMBOLS
+ bool "Declare binman symbols in SPL"
+ depends on SPL_FRAMEWORK && BINMAN
+ default y
+ help
+ This enables use of symbols in SPL which refer to U-Boot, enabling SPL
+ to obtain the location of U-Boot simply by calling spl_get_image_pos()
+ and spl_get_image_size().
+
+ For this to work, you must have a U-Boot image in the binman image, so
+ binman can update SPL with the location of it.
+
menu "PowerPC and LayerScape SPL Boot options"
config SPL_NAND_BOOT
Create boot binary having SPL binary in PBI format concatenated with
u-boot binary.
+config SPL_SYS_CCSR_DO_NOT_RELOCATE
+ bool "Ensures that CCSR is not relocated"
+ depends on PPC
+ help
+ If this is defined, then CONFIG_SYS_CCSRBAR_PHYS will be forced to a
+ value that ensures that CCSR is not relocated.
+
+config TPL_SYS_CCSR_DO_NOT_RELOCATE
+ def_bool y
+ depends on SPL_SYS_CCSR_DO_NOT_RELOCATE
+
+endmenu
+
+menu "PowerPC SPL / TPL specific options"
+ depends on PPC && (SPL && !SPL_FRAMEWORK)
+
+config SPL_INIT_MINIMAL
+ bool "Arch init code will be built for a very small image"
+
+config SPL_FLUSH_IMAGE
+ bool "Clean dcache and invalidate icache after loading the image"
+
+config SPL_SKIP_RELOCATE
+ bool "Skip relocating SPL"
+
+config SPL_RELOC_TEXT_BASE
+ hex "Address to relocate SPL to"
+ default SPL_TEXT_BASE
+ help
+ If unspecified, this is equal to CONFIG_SPL_TEXT_BASE (i.e. no
+ relocation is done).
+
+config SPL_RELOC_STACK
+ hex "Address of the start of the stack SPL will use after relocation."
+ help
+ If unspecified, this is equal to CONFIG_SYS_SPL_MALLOC_START. Starting
+ address of the malloc pool used in SPL. When this option is set the full
+ malloc is used in SPL and it is set up by spl_init() and before that, the
+ simple malloc() can be used if CONFIG_SYS_MALLOC_F is defined.
+
+config SPL_RELOC_MALLOC
+ bool "SPL has malloc pool after relocation"
+
+config SPL_RELOC_MALLOC_ADDR
+ hex "Address of malloc pool in SPL"
+ depends on SPL_RELOC_MALLOC
+
+config SPL_RELOC_MALLOC_SIZE
+ hex "Size of malloc pool in SPL"
+ depends on SPL_RELOC_MALLOC
+
+config TPL_RELOC_TEXT_BASE
+ hex "Address to relocate TPL to"
+ depends on TPL
+ default TPL_TEXT_BASE
+ help
+ If unspecified, this is equal to CONFIG_TPL_TEXT_BASE (i.e. no
+ relocation is done).
+
+config TPL_RELOC_STACK
+ hex "Address of the start of the stack TPL will use after relocation."
+ depends on TPL
+ help
+ If unspecified, this is equal to CONFIG_SYS_TPL_MALLOC_START. Starting
+ address of the malloc pool used in TPL. When this option is set the full
+ malloc is used in TPL and it is set up by spl_init() and before that, the
+ simple malloc() can be used if CONFIG_SYS_MALLOC_F is defined.
+
+config TPL_RELOC_MALLOC
+ bool "TPL has malloc pool after relocation"
+ depends on TPL
+
+config TPL_RELOC_MALLOC_ADDR
+ hex "Address of malloc pool in TPL"
+ depends on TPL_RELOC_MALLOC
+
+config TPL_RELOC_MALLOC_SIZE
+ hex "Size of malloc pool in TPL"
+ depends on TPL_RELOC_MALLOC
+
endmenu
config HANDOFF
spl_board_init() from board_init_r(). This function should be
provided by the board.
+config VPL_BOARD_INIT
+ bool "Call board-specific initialization in VPL"
+ help
+ If this option is enabled, U-Boot will call the function
+ spl_board_init() from board_init_r(). This function should be
+ provided by the board.
+
config SPL_BOOTROM_SUPPORT
bool "Support returning to the BOOTROM"
help
config SPL_RAW_IMAGE_SUPPORT
bool "Support SPL loading and booting of RAW images"
default n if (ARCH_MX6 && (SPL_MMC || SPL_SATA))
- default y if !TI_SECURE_DEVICE
+ default y
+ depends on !TI_SECURE_DEVICE
help
SPL will support loading and booting a RAW image when this option
is y. If this is not set, SPL will move on to other available
boot media to find a suitable image.
-config SPL_LEGACY_IMAGE_SUPPORT
+config SPL_LEGACY_IMAGE_FORMAT
bool "Support SPL loading and booting of Legacy images"
- default y if !TI_SECURE_DEVICE && !SPL_LOAD_FIT
+ default y if !SPL_LOAD_FIT
+ depends on !TI_SECURE_DEVICE
help
SPL will support loading and booting Legacy images when this option
is y. If this is not set, SPL will move on to other available
config SPL_LEGACY_IMAGE_CRC_CHECK
bool "Check CRC of Legacy images"
- depends on SPL_LEGACY_IMAGE_SUPPORT
+ depends on SPL_LEGACY_IMAGE_FORMAT
select SPL_CRC32
help
Enable this to check the CRC of Legacy images. While this increases
this will make the TPL binary smaller at the cost of more heap
usage as the *_simple malloc functions do not re-use free-ed mem.
+config SPL_SHARES_INIT_SP_ADDR
+ bool "SPL and U-Boot use the same initial stack pointer location"
+ depends on (ARM || ARCH_JZ47XX || MICROBLAZE || RISCV) && SPL_FRAMEWORK
+ default n if ARCH_SUNXI || ARCH_MX6 || ARCH_MX7
+ default y
+ help
+ In many cases, we can use the same initial stack pointer address for
+ both SPL and U-Boot itself. If you need to specify a different address
+ however, say N here and then set a different value in CONFIG_SPL_STACK.
+
+config SPL_STACK
+ hex "Initial stack pointer location"
+ depends on (ARM || ARCH_JZ47XX || MICROBLAZE || RISCV) && SPL_FRAMEWORK
+ depends on !SPL_SHARES_INIT_SP_ADDR
+ default 0x946bb8 if ARCH_MX7
+ default 0x93ffb8 if ARCH_MX6 && MX6_OCRAM_256KB
+ default 0x91ffb8 if ARCH_MX6 && !MX6_OCRAM_256KB
+ help
+ Address of the start of the stack SPL will use before SDRAM is
+ initialized.
+
config SPL_STACK_R
bool "Enable SDRAM location for SPL stack"
help
writeable memory) of anything it wants to modify, such as
device-private data.
+config TPL_SEPARATE_BSS
+ bool "BSS section is in a different memory region from text"
+ default y if SPL_SEPARATE_BSS
+ help
+ Some platforms need a large BSS region in TPL and can provide this
+ because RAM is already set up. In this case BSS can be moved to RAM.
+ This option should then be enabled so that the correct device tree
+ location is used. Normally we put the device tree at the end of BSS
+ but with this option enabled, it goes at _image_binary_end.
+
config SPL_BANNER_PRINT
bool "Enable output of the SPL banner 'U-Boot SPL ...'"
default y
config SPL_CRC32
bool "Support CRC32"
- default y if SPL_LEGACY_IMAGE_SUPPORT
+ default y if SPL_LEGACY_IMAGE_FORMAT || SPL_EFI_PARTITION
+ default y if SPL_ENV_SUPPORT || TPL_BLOBLIST
help
Enable this to support CRC32 in uImages or FIT images within SPL.
This is a 32-bit checksum value that can be used to verify images.
applications where images may be changed maliciously, you should
consider SHA256 or SHA384.
-config SPL_FIT_SHA1
- bool "Support SHA1"
- depends on SPL_FIT
- select SHA1
- help
- Enable this to support SHA1 in FIT images within SPL. A SHA1
- checksum is a 160-bit (20-byte) hash value used to check that the
- image contents have not been corrupted or maliciously altered.
- While SHA1 is fairly secure it is coming to the end of its life
- due to the expanding computing power available to brute-force
- attacks. For more security, consider SHA256 or SHA384.
-
-config SPL_FIT_SHA256
- bool "Support SHA256"
- depends on SPL_FIT
- select SHA256
- help
- Enable this to support SHA256 in FIT images within SPL. A SHA256
- checksum is a 256-bit (32-byte) hash value used to check that the
- image contents have not been corrupted.
-
-config SPL_FIT_SHA384
- bool "Support SHA384"
- depends on SPL_FIT
- select SHA384
- select SHA512_ALGO
- help
- Enable this to support SHA384 in FIT images within SPL. A SHA384
- checksum is a 384-bit (48-byte) hash value used to check that the
- image contents have not been corrupted. Use this for the highest
- security.
-
-config SPL_FIT_SHA512
- bool "Support SHA512"
- depends on SPL_FIT
- select SHA512
- select SHA512_ALGO
- help
- Enable this to support SHA512 in FIT images within SPL. A SHA512
- checksum is a 512-bit (64-byte) hash value used to check that the
- image contents have not been corrupted.
-
config SPL_FIT_IMAGE_TINY
bool "Remove functionality from SPL FIT loading to reduce size"
depends on SPL_FIT
this option to build the drivers in drivers/crypto as part of an
SPL build.
-config SPL_HASH_SUPPORT
- bool "Support hashing drivers"
- select SHA1
- select SHA256
- help
- Enable hashing drivers in SPL. These drivers can be used to
- accelerate secure boot processing in secure applications. Enable
- this option to build system-specific drivers for hash acceleration
- as part of an SPL build.
-
-config TPL_HASH_SUPPORT
- bool "Support hashing drivers in TPL"
- depends on TPL
- select SHA1
- select SHA256
- help
- Enable hashing drivers in SPL. These drivers can be used to
- accelerate secure boot processing in secure applications. Enable
- this option to build system-specific drivers for hash acceleration
- as part of an SPL build.
-
config SPL_DMA
bool "Support DMA drivers"
help
filesystem from within SPL. Support for the underlying block
device (e.g. MMC or USB) must be enabled separately.
+config SPL_FS_LOAD_PAYLOAD_NAME
+ string "File to load for U-Boot from the filesystem"
+ depends on SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS
+ default "tispl.bin" if SYS_K3_SPL_ATF
+ default "u-boot.itb" if SPL_LOAD_FIT
+ default "u-boot.img"
+ help
+ Filename to read to load U-Boot when reading from filesystem.
+
+config SPL_FS_LOAD_KERNEL_NAME
+ string "File to load for the OS kernel from the filesystem"
+ depends on (SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS) && SPL_OS_BOOT
+ default "uImage"
+ help
+ Filename to read to load for the OS kernel when reading from the
+ filesystem.
+
+config SPL_FS_LOAD_ARGS_NAME
+ string "File to load for the OS kernel argument parameters from the filesystem"
+ depends on (SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS) && SPL_OS_BOOT
+ default "args"
+ help
+ Filename to read to load for the OS kernel argument parameters from
+ the filesystem.
+
config SPL_FAT_WRITE
bool "Support write for FAT filesystems"
help
default 1
help
Partition on the MMC to load U-Boot from when the MMC is being
- used in fs mode
+ used in fs mode.
+ Use -1 as a special value to use the first bootable partition.
config SPL_MMC_TINY
bool "Tiny MMC framework in SPL"
This enables the drivers in drivers/mtd/nand/raw as part of an SPL
build.
+config SPL_NAND_RAW_ONLY
+ bool "Support to boot only raw u-boot.bin images"
+ depends on SPL_NAND_SUPPORT
+ help
+ Use this only if you need to save space.
+
config SPL_NAND_DRIVERS
bool "Use standard NAND driver"
help
SPL uses normal NAND drivers, not minimal drivers.
config SPL_NAND_ECC
- bool "Include standard software ECC in the SPL"
+ bool "Include standard ECC in SPL"
+
+config SPL_NAND_SOFTECC
+ bool "Use software ECC in SPL"
+ depends on SPL_NAND_ECC
config SPL_NAND_SIMPLE
bool "Support simple NAND drivers in SPL"
endif # SPL_OS_BOOT
+config SPL_FALCON_BOOT_MMCSD
+ bool "Enable Falcon boot from MMC or SD media"
+ depends on SPL_OS_BOOT && SPL_MMC
+ help
+ Select this if the Falcon mode OS image mode is on MMC or SD media.
+
+config SYS_MMCSD_RAW_MODE_KERNEL_SECTOR
+ hex "Falcon mode: Sector to load kernel uImage from MMC"
+ depends on SPL_FALCON_BOOT_MMCSD
+ help
+ When Falcon mode is used with an MMC or SD media, SPL needs to know
+ where to look for the kernel uImage. The image is expected to begin
+ at the raw MMC specified in this config.
+ Note that the Falcon mode image can also be a FIT, if FIT support is
+ enabled.
+
config SPL_PAYLOAD
string "SPL payload"
default "tpl/u-boot-with-tpl.bin" if TPL
config SPL_DFU
bool "Support DFU (Device Firmware Upgrade)"
- select SPL_HASH_SUPPORT
+ select SPL_HASH
select SPL_DFU_NO_RESET
depends on SPL_RAM_SUPPORT
help
Enable access to the AM33xx RTC and select the external 32kHz clock
source.
-config SPL_OPTEE
- bool "Support OP-TEE Trusted OS"
+config SPL_OPTEE_IMAGE
+ bool "Support OP-TEE Trusted OS image in SPL"
depends on ARM
help
- OP-TEE is an open source Trusted OS which is loaded by SPL.
+ OP-TEE is an open source Trusted OS which is loaded by SPL.
More detail at: https://github.com/OP-TEE/optee_os
config SPL_OPENSBI
Specifies the maximum length of the U-Boot TPL image.
If this value is zero, it is ignored.
+config TPL_BINMAN_SYMBOLS
+ bool "Declare binman symbols in TPL"
+ depends on SPL_FRAMEWORK && BINMAN
+ default y
+ help
+ This enables use of symbols in TPL which refer to U-Boot, enabling TPL
+ to obtain the location of U-Boot simply by calling spl_get_image_pos()
+ and spl_get_image_size().
+
+ For this to work, you must have a U-Boot image in the binman image, so
+ binman can update TPL with the location of it.
+
config TPL_FRAMEWORK
bool "Support TPL based upon the common SPL framework"
default y if SPL_FRAMEWORK
May be left empty to trigger the Makefile infrastructure to
fall back to the linker-script used for the SPL stage.
-config TPL_NEEDS_SEPARATE_TEXT_BASE
- bool "TPL needs a separate text-base"
- depends on TPL
- help
- Enable, if the TPL stage should not inherit its text-base
- from the SPL stage. When enabled, a base address for the
- .text sections of the TPL stage has to be set below.
-
config TPL_NEEDS_SEPARATE_STACK
bool "TPL needs a separate initial stack-pointer"
depends on TPL
config TPL_TEXT_BASE
hex "Base address for the .text section of the TPL stage"
- depends on TPL_NEEDS_SEPARATE_TEXT_BASE
+ default 0
help
The base address for the .text section of the TPL stage.
config TPL_MAX_SIZE
- int "Maximum size (in bytes) for the TPL stage"
- default 0
- depends on TPL
+ hex "Maximum size (in bytes) for the TPL stage"
+ default 0x2e000 if ROCKCHIP_RK3399
+ default 0x8000 if ROCKCHIP_RK3288
+ default 0x7000 if ROCKCHIP_RK322X || ROCKCHIP_RK3328 || ROCKCHIP_RK3368
+ default 0x2800 if ROCKCHIP_PX30
+ default 0x0
help
The maximum size (in bytes) of the TPL stage.
+config TPL_PAD_TO
+ hex "Offset to which the TPL should be padded before appending the TPL payload"
+ depends on !TPL_FRAMEWORK && PPC
+ default TPL_MAX_SIZE
+ help
+ Image offset to which the TPL should be padded before appending the
+ TPL payload. By default, this is defined as CONFIG_TPL_MAX_SIZE, or 0 if
+ CONFIG_TPL_MAX_SIZE is undefined. CONFIG_TPL_PAD_TO must be either
+ 0, meaning to append the TPL payload without any padding, or >=
+ CONFIG_TPL_MAX_SIZE.
+
config TPL_STACK
hex "Address of the initial stack-pointer for the TPL stage"
depends on TPL_NEEDS_SEPARATE_STACK
BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the
boot device list, if not implemented for a given board)
+config TPL_CRC32
+ bool "Support CRC32 in TPL"
+ default y if TPL_ENV_SUPPORT || TPL_BLOBLIST
+ help
+ Enable this to support CRC32 in uImages or FIT images within SPL.
+ This is a 32-bit checksum value that can be used to verify images.
+ For FIT images, this is the least secure type of checksum, suitable
+ for detected accidental image corruption. For secure applications you
+ should consider SHA1 or SHA256.
+
config TPL_DRIVERS_MISC
bool "Support misc drivers in TPL"
help
endif # TPL
+config VPL
+ bool
+ depends on SUPPORT_SPL
+ prompt "Enable VPL"
+ help
+ If you want to build VPL as well as the normal image, TPL and SPL,
+ say Y.
+
+if VPL
+
+config VPL_BANNER_PRINT
+ bool "Enable output of the VPL banner 'U-Boot VPL ...'"
+ depends on VPL
+ default y
+ help
+ If this option is enabled, VPL will print the banner with version
+ info. Disabling this option could be useful to reduce VPL boot time
+ (e.g. approx. 6 ms faster, when output on i.MX6 with 115200 baud).
+
+config VPL_BOARD_INIT
+ bool "Call board-specific initialization in VPL"
+ help
+ If this option is enabled, U-Boot will call the function
+ spl_board_init() from board_init_r(). This function should be
+ provided by the board.
+
+config VPL_CACHE
+ depends on CACHE
+ bool "Support cache drivers in VPL"
+ help
+ Enable support for cache drivers in VPL.
+
+config VPL_CRC32
+ bool "Support CRC32 in VPL"
+ default y if VPL_ENV_SUPPORT || VPL_BLOBLIST
+ help
+ Enable this to support CRC32 in uImages or FIT images within VPL.
+ This is a 32-bit checksum value that can be used to verify images.
+ For FIT images, this is the least secure type of checksum, suitable
+ for detected accidental image corruption. For secure applications you
+ should consider SHA1 or SHA256.
+
+config VPL_DM_SPI
+ bool "Support SPI DM drivers in VPL"
+ help
+ Enable support for SPI DM drivers in VPL.
+
+config VPL_DM_SPI_FLASH
+ bool "Support SPI DM FLASH drivers in VPL"
+ help
+ Enable support for SPI DM flash drivers in VPL.
+
+config VPL_FRAMEWORK
+ bool "Support VPL based upon the common SPL framework"
+ default y
+ help
+ Enable the SPL framework under common/spl/ for VPL builds.
+ This framework supports MMC, NAND and YMODEM and other methods
+ loading of U-Boot's next stage. If unsure, say Y.
+
+config VPL_HANDOFF
+ bool "Pass hand-off information from VPL to SPL"
+ depends on HANDOFF && VPL_BLOBLIST
+ default y
+ help
+ This option enables VPL to write handoff information. This can be
+ used to pass information like the size of SDRAM from VPL to SPL. Also
+ VPL can receive information from TPL in the same place if that is
+ enabled.
+
+config VPL_LIBCOMMON_SUPPORT
+ bool "Support common libraries"
+ default y if SPL_LIBCOMMON_SUPPORT
+ help
+ Enable support for common U-Boot libraries within VPL. See
+ SPL_LIBCOMMON_SUPPORT for details.
+
+config VPL_LIBGENERIC_SUPPORT
+ bool "Support generic libraries"
+ default y if SPL_LIBGENERIC_SUPPORT
+ help
+ Enable support for generic U-Boot libraries within VPL. These
+ libraries include generic code to deal with device tree, hashing,
+ printf(), compression and the like. This option is enabled on many
+ boards. Enable this option to build the code in lib/ as part of a
+ VPL build.
+
+config VPL_DRIVERS_MISC
+ bool "Support misc drivers"
+ default y if TPL_DRIVERS_MISC
+ help
+ Enable miscellaneous drivers in VPL. These drivers perform various
+ tasks that don't fall nicely into other categories, Enable this
+ option to build the drivers in drivers/misc as part of a VPL
+ build, for those that support building in VPL (not all drivers do).
+
+config VPL_ENV_SUPPORT
+ bool "Support an environment"
+ help
+ Enable environment support in VPL. The U-Boot environment provides
+ a number of settings (essentially name/value pairs) which can
+ control many aspects of U-Boot's operation. Enabling this option will
+ make env_get() and env_set() available in VSPL.
+
+config VPL_GPIO
+ bool "Support GPIO in VPL"
+ default y if SPL_GPIO
+ help
+ Enable support for GPIOs (General-purpose Input/Output) in VPL.
+ GPIOs allow U-Boot to read the state of an input line (high or
+ low) and set the state of an output line. This can be used to
+ drive LEDs, control power to various system parts and read user
+ input. GPIOs can be useful in VPL to enable a 'sign-of-life' LED,
+ for example. Enable this option to build the drivers in
+ drivers/gpio as part of a VPL build.
+
+config VPL_HANDOFF
+ bool "Pass hand-off information from VPL to SPL and U-Boot proper"
+ depends on HANDOFF && VPL_BLOBLIST
+ default y
+ help
+ This option enables VPL to write handoff information. This can be
+ used to pass information like the size of SDRAM from VPL to U-Boot
+ proper. The information is also available to VPL if it is useful
+ there.
+
+config VPL_HASH
+ bool "Support hashing drivers in VPL"
+ depends on VPL
+ select SHA1
+ select SHA256
+ help
+ Enable hashing drivers in VPL. These drivers can be used to
+ accelerate secure boot processing in secure applications. Enable
+ this option to build system-specific drivers for hash acceleration
+ as part of a VPL build.
+
+config VPL_I2C_SUPPORT
+ bool "Support I2C in VPL"
+ default y if SPL_I2C_SUPPORT
+ help
+ Enable support for the I2C bus in VPL. Vee SPL_I2C_SUPPORT for
+ details.
+
+config VPL_PCH_SUPPORT
+ bool "Support PCH drivers"
+ default y if TPL_PCH_SUPPORT
+ help
+ Enable support for PCH (Platform Controller Hub) devices in VPL.
+ These are used to set up GPIOs and the SPI peripheral early in
+ boot. This enables the drivers in drivers/pch as part of a VPL
+ build.
+
+config VPL_PCI
+ bool "Support PCI drivers"
+ default y if SPL_PCI
+ help
+ Enable support for PCI in VPL. For platforms that need PCI to boot,
+ or must perform some init using PCI in VPL, this provides the
+ necessary driver support. This enables the drivers in drivers/pci
+ as part of a VPL build.
+
+config VPL_RTC
+ bool "Support RTC drivers"
+ help
+ Enable RTC (Real-time Clock) support in VPL. This includes support
+ for reading and setting the time. Some RTC devices also have some
+ non-volatile (battery-backed) memory which is accessible if
+ needed. This enables the drivers in drivers/rtc as part of a VPL
+ build.
+
+config VPL_SERIAL
+ bool "Support serial"
+ default y if TPL_SERIAL
+ select VPL_PRINTF
+ select VPL_STRTO
+ help
+ Enable support for serial in VPL. See SPL_SERIAL_SUPPORT for
+ details.
+
+config VPL_SIZE_LIMIT
+ hex "Maximum size of VPL image"
+ depends on VPL
+ default 0x0
+ help
+ Specifies the maximum length of the U-Boot VPL image.
+ If this value is zero, it is ignored.
+
+config VPL_SPI
+ bool "Support SPI drivers"
+ help
+ Enable support for using SPI in VPL. See SPL_SPI_SUPPORT for
+ details.
+
+config VPL_SPI_FLASH_SUPPORT
+ bool "Support SPI flash drivers"
+ help
+ Enable support for using SPI flash in VPL, and loading U-Boot from
+ SPI flash. SPI flash (Serial Peripheral Bus flash) is named after
+ the SPI bus that is used to connect it to a system. It is a simple
+ but fast bidirectional 4-wire bus (clock, chip select and two data
+ lines). This enables the drivers in drivers/mtd/spi as part of a
+ VPL build. This normally requires VPL_SPI_SUPPORT.
+
+config VPL_TEXT_BASE
+ hex "VPL Text Base"
+ default 0x0
+ help
+ The address in memory that VPL will be running from.
+
+endif # VPL
+
config SPL_AT91_MCK_BYPASS
bool "Use external clock signal as a source of main clock for AT91 platforms"
depends on ARCH_AT91