tree is available in the global data as gd->fdt_blob.
U-Boot needs to get its device tree from somewhere. This can
- be done using one of the two options below:
+ be done using one of the three options below:
CONFIG_OF_EMBED
If this variable is defined, U-Boot will embed a device tree
still use the individual files if you need something more
exotic.
+ CONFIG_OF_BOARD
+ If this variable is defined, U-Boot will use the device tree
+ provided by the board at runtime instead of embedding one with
+ the image. Only boards defining board_fdt_blob_setup() support
+ this option (see include/fdtdec.h file).
+
- Watchdog:
CONFIG_WATCHDOG
If this variable is defined, it enables watchdog
If defined, the x86 reset vector code is included. This is not
needed when U-Boot is running from Coreboot.
-- CONFIG_SYS_MPUCLK
- Defines the MPU clock speed (in MHz).
-
- NOTE : currently only supported on AM335x platforms.
-
- CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC:
Enables the RTC32K OSC on AM33xx based plattforms