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

[Bin Meng]

Hi Ivan,

On Tue, Jun 19, 2018 at 9:19 AM, Bin Meng <bmeng.cn at gmail.com> wrote:
> 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!

This unfortunately breaks edison and qemu-x86. Can you please have a look?

       x86:  +   edison qemu-x86
+arch/x86/cpu/built-in.o: In function `x86_mp_init':
+build/../arch/x86/cpu/i386/cpu.c:589: undefined reference to `ucode_base'

Regards,
Bin