[U-Boot] [PATCH v2] x86: make LOAD_FROM_32_BIT visible for platforms

[Bin Meng]

Hi Andy,

On Tue, Jan 24, 2017 at 10:16 PM, Andy Shevchenko
<andriy.shevchenko at linux.intel.com> wrote:
> This option useful not only for development, but for the platforms where

This option "is" useful ..

> U-Boot is run from custom ROM bootloader. For example, Intel Edison is
> that board.
>
> Make this option visible that platforms can select it if needed.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
> ---
> - fix logic bug for non-Edison platforms
> - move comment to Kconfig as option description
>  arch/x86/Kconfig     |  9 +++++++++
>  arch/x86/cpu/start.S | 12 ++----------
>  2 files changed, 11 insertions(+), 10 deletions(-)
>
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 0884af22a7..1da1a2199c 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -109,6 +109,15 @@ config SYS_X86_START16
>         depends on X86_RESET_VECTOR
>         default 0xfffff800
>
> +config X86_LOAD_FROM_32_BIT
> +       bool "Boot from a 32-bit program"
> +       default n

nits: 'default n' can be removed

> +       help
> +         Define this to boot U-Boot from a 32-bit program which sets
> +         the GDT differently. This can be used to boot directly from
> +         any stage of coreboot, for example, bypassing the normal
> +         payload-loading feature.
> +

[snip]

Regards,
Bin