From: Aiden Park aiden.park@intel.com
This will build U-Boot as a pure 64-bit binary with no SPL. It can be used with a pre-stage boot firmware which has already done 16-bit, 32-bit and 64-bit init.
Signed-off-by: Aiden Park aiden.park@intel.com --- arch/x86/Kconfig | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index c8eae24c07..89add17e69 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -40,6 +40,14 @@ config X86_RUN_64BIT runs through the 16-bit and 32-bit init, then switches to 64-bit mode and jumps to U-Boot proper.
+config X86_RUN_64BIT_ONLY + bool "64-bit only" + select X86_64 + help + Build U-Boot as a pure 64-bit binary with no 32-bit SPL. This can + be used with a pre-stage boot firmware which has already done + 16-bit, 32-bit and 64-bit init. + endchoice
config X86_64