[U-Boot] [PATCH v2 21/22] x86: ivybridge: Update microcode early in boot

[Simon Glass]

On 1 January 2015 at 16:18, Simon Glass <sjg at chromium.org> wrote:
> At present the normal update (which happens much later) does not work. This
> seems to have something to do with the 'no eviction' mode in the CAR, or at
> least moving the microcode update after that causes it not to work.
>
> For now, do an update early on so that it definitely works. Also refuse to
> continue unless the microcode update check (later in boot) is successful.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
> Changes in v2:
> - Use constants for microcode MSRs and header length

Applied to u-boot-x86/next.

>
>  arch/x86/cpu/ivybridge/car.S                    | 16 +++++++++++++++
>  arch/x86/cpu/ivybridge/cpu.c                    |  2 +-
>  arch/x86/cpu/ivybridge/microcode_intel.c        | 26 ++++++++++++++++---------
>  arch/x86/dts/link.dts                           |  3 ---
>  arch/x86/include/asm/arch-ivybridge/microcode.h |  6 ++++++
>  5 files changed, 40 insertions(+), 13 deletions(-)