Hi Simon,
On Wed, Sep 25, 2019 at 10:59 PM Simon Glass <s...@chromium.org> wrote:
>
> 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 <s...@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
Please include a string to describe the option.
> + default y
This should not be y. Instead let's imply it in the SoC Kconfig file.
> + 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>;
> --
Regards,
Bin
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