[U-Boot] [PATCH 03/11] x86: coreboot: Correctly report E820 types

Simon Glass sjg at chromium.org
Tue Aug 18 00:15:15 CEST 2015


On 16 August 2015 at 19:22, Bin Meng <bmeng.cn at gmail.com> wrote:
> Hi Simon,
>
> On Mon, Aug 17, 2015 at 5:27 AM, Simon Glass <sjg at chromium.org> wrote:
>> Hi Bin,
>>
>> On 13 August 2015 at 01:29, Bin Meng <bmeng.cn at gmail.com> wrote:
>>> coreboot has some extensions (type 6 & 16) to the E820 types.
>>> When we detect this, mark it as E820_RESERVED.
>>>
>>> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
>>> ---
>>>
>>>  arch/x86/cpu/coreboot/sdram.c | 15 +++++++++++++--
>>>  1 file changed, 13 insertions(+), 2 deletions(-)
>>
>> Acked-by: Simon Glass <sjg at chromium.org>
>>
>> I wonder what the kernel does when it sees the coreboot values?
>>
>
> I noticed this by checking kernel dmesg, where the log prints the E820
> ranges as well as types. For type 6 & 16, kernel does not understand
> that and it just prints the typer number. I believe kernel will ignore
> these.
>
> Regards,
> Bin

Applied to u-boot-x86, thanks!


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