[U-Boot] [PATCH 07/15] x86: Don't touch IA32_APIC_BASE MSR on Intel Quark

Bin Meng bmeng.cn at gmail.com
Mon May 23 10:19:23 CEST 2016


On Mon, May 23, 2016 at 8:19 AM, Simon Glass <sjg at chromium.org> wrote:
> On 22 May 2016 at 02:45, Bin Meng <bmeng.cn at gmail.com> wrote:
>> Intel Quark processor core provides an integrated Local APIC but
>> does not support the IA32_APIC_BASE MSR. As a result, the Local
>> APIC is always globally enabled and the Local APIC base address
>> is fixed at 0xfee00000. Attempting to access the IA32_APIC_BASE
>> MSR causes a general protection fault.
>>
>> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
>> ---
>>
>>  arch/x86/cpu/lapic.c | 28 ++++++++++++++++------------
>>  1 file changed, 16 insertions(+), 12 deletions(-)
>
> Reviewed-by: Simon Glass <sjg at chromium.org>

applied to u-boot-x86, thanks!


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