help
If you want to build SPL as well as the normal image, say Y.
+config SPL_FRAMEWORK
+ bool "Support SPL based upon the common SPL framework"
+ depends on SPL
+ default y
+ help
+ Enable the SPL framework under common/spl/. This framework
+ supports MMC, NAND and YMODEM and other methods loading of U-Boot
+ and the Linux Kernel. If unsure, say Y.
+
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
BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the
boot device list, if not implemented for a given board)
+config SPL_BOOTCOUNT_LIMIT
+ bool "Support bootcount in SPL"
+ depends on SPL_ENV_SUPPORT
+ help
+ On some boards, which use 'falcon' mode, it is necessary to check
+ and increment the number of boot attempts. Such boards do not
+ use proper U-Boot for normal boot flow and hence needs those
+ adjustments to be done in the SPL.
+
config SPL_RAW_IMAGE_SUPPORT
bool "Support SPL loading and booting of RAW images"
default n if (ARCH_MX6 && (SPL_MMC_SUPPORT || SPL_SATA_SUPPORT))
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
config SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
bool "MMC raw mode: by sector"
- default y if ARCH_SUNXI || ARCH_DAVINCI || ARCH_UNIPHIER ||ARCH_MX6 || \
+ default y if ARCH_SUNXI || ARCH_DAVINCI || ARCH_UNIPHIER || \
+ ARCH_MX6 || ARCH_MX7 || \
ARCH_ROCKCHIP || ARCH_MVEBU || ARCH_SOCFPGA || \
ARCH_AT91 || ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || \
OMAP44XX || OMAP54XX || AM33XX || AM43XX
depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
default 0x50 if ARCH_SUNXI
default 0x75 if ARCH_DAVINCI
- default 0x8a if ARCH_MX6
- default 0x100 if ARCH_ROCKCHIP || ARCH_UNIPHIER
+ default 0x8a if ARCH_MX6 || ARCH_MX7
+ 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
example OS may set "reboot_image" environment variable to
"recovery" inorder to boot recovery image by SPL. The SPL read
"reboot_image" and act accordingly and change the reboot_image
- to default mode using setenv and save the environemnt.
+ to default mode using setenv and save the environment.
config SPL_ETH_SUPPORT
bool "Support Ethernet"
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
performed before booting. This enables the drivers in post/drivers
as part of an SPL build.
+config SPL_DM_RESET
+ bool "Support reset drivers"
+ depends on SPL
+ help
+ Enable support for reset control in SPL.
+ That can be useful in SPL to handle IP reset in driver, as in U-Boot,
+ by using the generic reset API provided by driver model.
+ This enables the drivers in drivers/reset as part of an SPL build.
+
config SPL_POWER_SUPPORT
bool "Support power drivers"
help
config SPL_SERIAL_SUPPORT
bool "Support serial"
+ select SPL_PRINTF
+ select SPL_STRTO
help
Enable support for serial in SPL. This allows use of a serial UART
for displaying messages while SPL is running. It also brings in
lines). This enables the drivers in drivers/mtd/spi as part of an
SPL build. This normally requires SPL_SPI_SUPPORT.
+config SPL_SPI_LOAD
+ bool "Support loading from SPI flash"
+ depends on SPL_SPI_FLASH_SUPPORT
+ help
+ Enable support for loading next stage, U-Boot or otherwise, from
+ SPI NOR in U-Boot SPL.
+
config SPL_SPI_SUPPORT
bool "Support SPI drivers"
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"
if SPL_USB_GADGET_SUPPORT
-config SPL_USBETH_SUPPORT
+config SPL_USB_ETHER
bool "Support USB Ethernet drivers"
help
Enable access to the USB network subsystem and associated
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
config SPL_YMODEM_SUPPORT
bool "Support loading using Ymodem"
+ depends on SPL_SERIAL_SUPPORT
help
While loading from serial is slow it can be a useful backup when
there is no other option. The Ymodem protocol provides a reliable
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
+ 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 SPL_AM33XX_ENABLE_RTC32K_OSC
+ bool "Enable the RTC32K OSC on AM33xx based platforms"
+ default y if AM33XX
help
- This is the base address in memory for ATF BL31 text and entry point.
+ Enable access to the AM33xx RTC and select the external 32kHz clock
+ source.
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
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.
help
Enable support for NAND in TPL. See SPL_NAND_SUPPORT for details.
+config TPL_RAM_SUPPORT
+ bool "Support booting from RAM"
+ help
+ Enable booting of an image in RAM. The image can be preloaded or
+ it can be loaded by TPL directly into RAM (e.g. using USB).
+
+config TPL_RAM_DEVICE
+ bool "Support booting from preloaded image in RAM"
+ depends on TPL_RAM_SUPPORT
+ help
+ Enable booting of an image already loaded in RAM. The image has to
+ be already in memory when TPL takes over, e.g. loaded by the boot
+ ROM.
+
config TPL_SERIAL_SUPPORT
bool "Support serial"
+ select TPL_PRINTF
+ select TPL_STRTO
help
Enable support for serial in TPL. See SPL_SERIAL_SUPPORT for
details.
Enable support for using SPI flash in TPL. See SPL_SPI_FLASH_SUPPORT
for details.
+config TPL_SPI_LOAD
+ bool "Support loading from SPI flash"
+ depends on TPL_SPI_FLASH_SUPPORT
+ help
+ Enable support for loading next stage, U-Boot or otherwise, from
+ SPI NOR in U-Boot TPL.
+
config TPL_SPI_SUPPORT
bool "Support SPI drivers"
help
Enable support for using SPI in TPL. See SPL_SPI_SUPPORT for
details.
+config TPL_YMODEM_SUPPORT
+ bool "Support loading using Ymodem"
+ depends on TPL_SERIAL_SUPPORT
+ help
+ While loading from serial is slow it can be a useful backup when
+ there is no other option. The Ymodem protocol provides a reliable
+ means of transmitting U-Boot over a serial line for using in TPL,
+ with a checksum to ensure correctness.
+
endif # TPL
endif # SPL
projects / oweals / u-boot.git / blobdiff