[U-Boot] [PATCH v2] x86: Use microcode update from device tree for all processors

Bin Meng bmeng.cn at gmail.com
Tue Jun 19 01:19:04 UTC 2018


On Mon, Jun 18, 2018 at 8:58 PM, Bin Meng <bmeng.cn at gmail.com> wrote:
> On Sat, Jun 16, 2018 at 2:01 AM, Ivan Gorinov <ivan.gorinov at intel.com> wrote:
>> Built without a ROM image with FSP (u-boot.rom), the U-Boot loader applies
>> the microcode update data block encoded in Device Tree to the bootstrap
>> processor but not passed to the other CPUs when multiprocessing is enabled.
>>
>> If the bootstrap processor successfully performs a microcode update
>> from Device Tree, use the same data block for the other processors.
>>
>> Signed-off-by: Ivan Gorinov <ivan.gorinov at intel.com>
>> ---
>>  arch/x86/cpu/i386/cpu.c               |  3 ++-
>>  arch/x86/cpu/intel_common/car.S       |  2 ++
>>  arch/x86/cpu/intel_common/microcode.c | 10 +++++++---
>>  arch/x86/include/asm/microcode.h      |  1 +
>>  arch/x86/lib/fsp/fsp_car.S            |  4 +++-
>>  5 files changed, 15 insertions(+), 5 deletions(-)
>>
>
> Reviewed-by: Bin Meng <bmeng.cn at gmail.com>

applied to u-boot-x86, thanks!


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