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x86: Add an option to include a FIT

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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>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2019-12-06 21:42:24 -07:00 committed by Bin Meng
parent fb96deec50
commit 2e2a0035d4
2 changed files with 14 additions and 0 deletions
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8
arch/x86/Kconfig
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@ -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

6
arch/x86/dts/u-boot.dtsi
View File

@ -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>;