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_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
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
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
+ Enable access to the AM33xx RTC and select the external 32kHz clock
+ source.
+
config TPL
bool
depends on SUPPORT_TPL
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