[U-Boot] [PATCH 096/126] x86: Add an option to include a FIT

Simon Glass sjg at chromium.org
Wed Sep 25 14:57:20 UTC 2019


Many Intel SoCs require a FIT in order to boot properly. Add an option to
include this and enable it by default.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 arch/x86/Kconfig         | 9 +++++++++
 arch/x86/dts/u-boot.dtsi | 6 ++++++
 2 files changed, 15 insertions(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 49b5f0f4ebd..556e26080de 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -222,6 +222,15 @@ config SYS_X86_START16
 	depends on X86_RESET_VECTOR
 	default 0xfffff800
 
+config X86_HAS_FIT
+	bool
+	default y
+	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 0e87b88e105..049f47c9ffd 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_X86_HAS_FIT
+	intel-fit {
+	};
+	intel-fit-ptr {
+	};
+#endif
 #ifdef CONFIG_HAVE_MRC
 	intel-mrc {
 		offset = <CONFIG_X86_MRC_ADDR>;
-- 
2.23.0.444.g18eeb5a265-goog



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