[U-Boot] [PATCH v5 052/101] x86: Add support for newer CAR schemes

[Bin Meng]

On Mon, Nov 25, 2019 at 12:11 PM Simon Glass <sjg at chromium.org> wrote:
>
> Newer Intel SoCs have different ways of setting up cache-as-ram (CAR).
> Add support for these along with suitable configuration options.
>
> To make the code cleaner, adjust a few definitions in processor.h so that
> they can be used from assembler.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
> Changes in v5: None
> Changes in v4:
> - Adjust
> - Fix up license header
> - Fix various code-style problems
> - Use CONFIG_INTEL_CAR_CQOS to control car2.S inclusion
> - Use car_init_ret to return
> - Use post_code() calls consistent with car.S
>
> Changes in v3:
> - Drop dead code
> - Drop unneeded Kconfig file
> - Use a macro for is-power-of-two
>
> Changes in v2: None
>
>  arch/x86/Kconfig                        |  16 +
>  arch/x86/cpu/intel_common/Makefile      |   8 +
>  arch/x86/cpu/intel_common/car2.S        | 448 ++++++++++++++++++++++++
>  arch/x86/cpu/intel_common/car2_uninit.S |  87 +++++
>  arch/x86/include/asm/processor.h        |  12 +-
>  5 files changed, 564 insertions(+), 7 deletions(-)
>  create mode 100644 arch/x86/cpu/intel_common/car2.S
>  create mode 100644 arch/x86/cpu/intel_common/car2_uninit.S
>

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>