Many Intel SoCs require a FIT in order to boot properly. Add an option to include this and enable it by default.
This term can be confused with FIT (Flat Image Tree) in U-Boot so the CONFIG option has to include 'X86'.
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v4: None Changes in v3: - Add help to CONFIG_FIT and don't make it 'default y' - Rename X86_HAS_FIT to HAVE_X86_FIT - Update commit message to explain why HAVE_FIT woudl be confusing
Changes in v2: None
arch/x86/Kconfig | 8 ++++++++ arch/x86/dts/u-boot.dtsi | 6 ++++++ 2 files changed, 14 insertions(+)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 6bac5d5fe8..ea50b2f54d 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -217,6 +217,14 @@ config SYS_X86_START16 depends on X86_RESET_VECTOR default 0xfffff800
+config HAVE_X86_FIT + bool + help + Enable inclusion of an Intel Firmware Interface Table (FIT) into the + image. This table is supposed to point to microcode and the like. So + far it is just a fixed table with the minimum set of headers, so that + it is actually present. + config X86_LOAD_FROM_32_BIT bool "Boot from a 32-bit program" help diff --git a/arch/x86/dts/u-boot.dtsi b/arch/x86/dts/u-boot.dtsi index 0e87b88e10..33441c7c80 100644 --- a/arch/x86/dts/u-boot.dtsi +++ b/arch/x86/dts/u-boot.dtsi @@ -82,6 +82,12 @@ u-boot-ucode { align = <16>; }; +#ifdef CONFIG_HAVE_X86_FIT + intel-fit { + }; + intel-fit-ptr { + }; +#endif #ifdef CONFIG_HAVE_MRC intel-mrc { offset = <CONFIG_X86_MRC_ADDR>;