if SPL
+config SPL_LDSCRIPT
+ string "Linker script for the SPL stage"
+ default "arch/$(ARCH)/cpu/u-boot-spl.lds"
+ depends on SPL
+ help
+ The SPL stage will usually require a different linker-script
+ (as it runs from a different memory region) than the regular
+ U-Boot stage. Set this to the path of the linker-script to
+ be used for SPL.
+
config SPL_BOARD_INIT
bool "Call board-specific initialization in SPL"
help
this will make the SPL binary smaller at the cost of more heap
usage as the *_simple malloc functions do not re-use free-ed mem.
+config TPL_SYS_MALLOC_SIMPLE
+ bool
+ prompt "Only use malloc_simple functions in the TPL"
+ help
+ Say Y here to only use the *_simple malloc functions from
+ malloc_simple.c, rather then using the versions from dlmalloc.c;
+ 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_STACK_R
bool "Enable SDRAM location for SPL stack"
help
config SPL_STACK_R_ADDR
depends on SPL_STACK_R
hex "SDRAM location for SPL stack"
+ default 0x82000000 if ARCH_OMAP2PLUS
help
Specify the address in SDRAM for the SPL stack. This will be set up
before board_init_r() is called.
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_DISABLE_BANNER_PRINT
+ bool "Disable output of the SPL banner 'U-Boot SPL ...'"
+ help
+ If this option is enabled, SPL will not print the banner with version
+ info. Selecting this option could be useful to reduce SPL boot time
+ (e.g. approx. 6 ms slower, when output on i.MX6 with 115200 baud).
+
config SPL_DISPLAY_PRINT
bool "Display a board-specific message in SPL"
help
default 0x50 if ARCH_SUNXI
default 0x75 if ARCH_DAVINCI
default 0x8a if ARCH_MX6
- default 0x100 if ARCH_ROCKCHIP || ARCH_UNIPHIER
+ default 0x100 if ARCH_UNIPHIER
default 0x140 if ARCH_MVEBU
default 0x200 if ARCH_SOCFPGA || ARCH_AT91
default 0x300 if ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || OMAP44XX || \
OMAP54XX || AM33XX || AM43XX
+ default 0x4000 if ARCH_ROCKCHIP
help
Address on the MMC to load U-Boot from, when the MMC is being used
in raw mode. Units: MMC sectors (1 sector = 512 bytes).
SHA256 variant is supported: SHA512 and others are not currently
supported in U-Boot.
+config SPL_FIT_IMAGE_TINY
+ bool "Remove functionality from SPL FIT loading to reduce size"
+ depends on SPL_FIT
+ default y if MACH_SUN50I || MACH_SUN50I_H5
+ help
+ Enable this to reduce the size of the FIT image loading code
+ in SPL, if space for the SPL binary is very tight.
+
+ This removes the detection of image types (which forces the
+ first image to be treated as having a U-Boot style calling
+ convention) and skips the recording of each loaded payload
+ (i.e. loadable) into the FDT (modifying the loaded FDT to
+ ensure this information is available to the next image
+ invoked).
+
config SPL_CPU_SUPPORT
bool "Support CPU drivers"
help
needed in SPL as it has a much simpler task with less
configuration. But some boards use this to support 'Falcon' boot
on EXT2 and FAT, where SPL boots directly into Linux without
- starting U-Boot first. Enabling this option will make getenv()
- and setenv() available in SPL.
+ starting U-Boot first. Enabling this option will make env_get()
+ and env_set() available in SPL.
config SPL_SAVEENV
bool "Support save environment"
depends on SPL_ENV_SUPPORT
+ select SPL_MMC_WRITE if ENV_IS_IN_MMC
help
Enable save environment support in SPL after setenv. By default
the saveenv option is not provided in SPL, but some boards need
this option to build the drivers in drivers/mmc as part of an SPL
build.
+config SPL_MMC_WRITE
+ bool "MMC/SD/SDIO card support for write operations in SPL"
+ depends on SPL_MMC_SUPPORT
+ default n
+ help
+ Enable write access to MMC and SD Cards in SPL
+
+
config SPL_MPC8XXX_INIT_DDR_SUPPORT
bool "Support MPC8XXX DDR init"
help
enable SPI drivers that are needed for other purposes also, such
as a SPI PMIC.
-config SPL_TIMER_SUPPORT
- bool "Support timer drivers"
+config SPL_THERMAL
+ bool "Driver support for thermal devices"
help
- Enable support for timer drivers in SPL. These can be used to get
- a timer value when in SPL, or perhaps for implementing a delay
- function. This enables the drivers in drivers/timer as part of an
- SPL build.
+ Enable support for temperature-sensing devices. Some SoCs have on-chip
+ temperature sensors to permit warnings, speed throttling or even
+ automatic power-off when the temperature gets too high or low. Other
+ devices may be discrete but connected on a suitable bus.
config SPL_USB_HOST_SUPPORT
bool "Support USB host drivers"
endchoice
+config SPL_USB_SDP_SUPPORT
+ bool "Support SDP (Serial Download Protocol)"
+ help
+ Enable Serial Download Protocol (SDP) device support in SPL. This
+ allows to download images into memory and execute (jump to) them
+ using the same protocol as implemented by the i.MX family's boot ROM.
endif
config SPL_WATCHDOG_SUPPORT
means of transmitting U-Boot over a serial line for using in SPL,
with a checksum to ensure correctness.
-config SPL_ATF_SUPPORT
+config SPL_ATF
bool "Support ARM Trusted Firmware"
depends on ARM64
help
- ATF(ARM Trusted Firmware) is a component for ARM arch64 which which
- is loaded by SPL(which is considered as BL2 in ATF terminology).
+ ATF(ARM Trusted Firmware) is a component for ARM AArch64 which
+ is loaded by SPL (which is considered as BL2 in ATF terminology).
More detail at: https://github.com/ARM-software/arm-trusted-firmware
-config SPL_ATF_TEXT_BASE
- depends on SPL_ATF_SUPPORT
- hex "ATF BL31 base address"
+config SPL_ATF_NO_PLATFORM_PARAM
+ bool "Pass no platform parameter"
+ depends on SPL_ATF
help
- This is the base address in memory for ATF BL31 text and entry point.
+ While we expect to call a pointer to a valid FDT (or NULL)
+ as the platform parameter to an ATF, some ATF versions are
+ not U-Boot aware and have an insufficiently robust parameter
+ validation to gracefully reject a FDT being passed.
+
+ If this option is enabled, the spl_atf os-type handler will
+ always pass NULL for the platform parameter.
+
+ If your ATF is affected, say Y.
config TPL
bool
if TPL
+config TPL_BOARD_INIT
+ bool "Call board-specific initialization in TPL"
+ 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 TPL_LDSCRIPT
+ string "Linker script for the TPL stage"
+ depends on TPL
+ help
+ The TPL stage will usually require a different linker-script
+ (as it runs from a different memory region) than the regular
+ U-Boot stage. Set this to the path of the linker-script to
+ be used for TPL.
+
+ 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"
+ default n
+ 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"
+ default n
+ depends on TPL
+ help
+ Enable, if the TPL stage should not inherit its initial
+ stack-pointer from the settings for the SPL stage.
+
+config TPL_TEXT_BASE
+ hex "Base address for the .text section of the TPL stage"
+ depends on TPL_NEEDS_SEPARATE_TEXT_BASE
+ 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
+ help
+ The maximum size (in bytes) of the TPL stage.
+
+config TPL_STACK
+ hex "Address of the initial stack-pointer for the TPL stage"
+ depends on TPL_NEEDS_SEPARATE_STACK
+ help
+ The address of the initial stack-pointer for the TPL stage.
+ Usually this will be the (aligned) top-of-stack.
+
config TPL_BOOTROM_SUPPORT
bool "Support returning to the BOOTROM (from TPL)"
help
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_DRIVERS_MISC_SUPPORT
+ bool "Support misc drivers in TPL"
+ help
+ Enable miscellaneous drivers in TPL. 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 an TPL
+ build, for those that support building in TPL (not all drivers do).
+
config TPL_ENV_SUPPORT
bool "Support an environment"
help
config TPL_I2C_SUPPORT
bool "Support I2C"
help
- Enable support for the I2C bus in SPL. See SPL_I2C_SUPPORT for
+ Enable support for the I2C bus in TPL. See SPL_I2C_SUPPORT for
details.
config TPL_LIBCOMMON_SUPPORT
config TPL_NAND_SUPPORT
bool "Support NAND flash"
help
- Enable support for NAND in SPL. See SPL_NAND_SUPPORT for details.
+ Enable support for NAND in TPL. See SPL_NAND_SUPPORT for details.
config TPL_SERIAL_SUPPORT
bool "Support serial"
help
- Enable support for serial in SPL. See SPL_SERIAL_SUPPORT for
+ Enable support for serial in TPL. See SPL_SERIAL_SUPPORT for
details.
config TPL_SPI_FLASH_SUPPORT
bool "Support SPI flash drivers"
help
- Enable support for using SPI flash in SPL. See SPL_SPI_FLASH_SUPPORT
+ Enable support for using SPI flash in TPL. See SPL_SPI_FLASH_SUPPORT
for details.
config TPL_SPI_SUPPORT
bool "Support SPI drivers"
help
- Enable support for using SPI in SPL. See SPL_SPI_SUPPORT for
+ Enable support for using SPI in TPL. See SPL_SPI_SUPPORT for
details.
endif # TPL
projects / oweals / u-boot.git / blobdiff